/*!
 * jsxc v3.0.0 - 2016-03-11
 * 
 * This file concatenates all dependencies of jsxc.
 * 
 */


/*!
 * Source: lib/strophe.js/strophe.js, license: multiple, url: http://strophe.im/strophejs/
 */
/** File: strophe.js
 *  A JavaScript library for XMPP BOSH/XMPP over Websocket.
 *
 *  This is the JavaScript version of the Strophe library.  Since JavaScript
 *  had no facilities for persistent TCP connections, this library uses
 *  Bidirectional-streams Over Synchronous HTTP (BOSH) to emulate
 *  a persistent, stateful, two-way connection to an XMPP server.  More
 *  information on BOSH can be found in XEP 124.
 *
 *  This version of Strophe also works with WebSockets.
 *  For more information on XMPP-over WebSocket see this RFC:
 *  http://tools.ietf.org/html/rfc7395
 */

/* All of the Strophe globals are defined in this special function below so
 * that references to the globals become closures.  This will ensure that
 * on page reload, these references will still be available to callbacks
 * that are still executing.
 */

/* jshint ignore:start */
(function (callback) {
/* jshint ignore:end */

// This code was written by Tyler Akins and has been placed in the
// public domain.  It would be nice if you left this header intact.
// Base64 code from Tyler Akins -- http://rumkin.com

(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        define('strophe-base64', function () {
            return factory();
        });
    } else {
        // Browser globals
        root.Base64 = factory();
    }
}(this, function () {
    var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

    var obj = {
        /**
         * Encodes a string in base64
         * @param {String} input The string to encode in base64.
         */
        encode: function (input) {
            var output = "";
            var chr1, chr2, chr3;
            var enc1, enc2, enc3, enc4;
            var i = 0;

            do {
                chr1 = input.charCodeAt(i++);
                chr2 = input.charCodeAt(i++);
                chr3 = input.charCodeAt(i++);

                enc1 = chr1 >> 2;
                enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
                enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
                enc4 = chr3 & 63;

                if (isNaN(chr2)) {
                    enc2 = ((chr1 & 3) << 4);
                    enc3 = enc4 = 64;
                } else if (isNaN(chr3)) {
                    enc4 = 64;
                }

                output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) +
                    keyStr.charAt(enc3) + keyStr.charAt(enc4);
            } while (i < input.length);

            return output;
        },

        /**
         * Decodes a base64 string.
         * @param {String} input The string to decode.
         */
        decode: function (input) {
            var output = "";
            var chr1, chr2, chr3;
            var enc1, enc2, enc3, enc4;
            var i = 0;

            // remove all characters that are not A-Z, a-z, 0-9, +, /, or =
            input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

            do {
                enc1 = keyStr.indexOf(input.charAt(i++));
                enc2 = keyStr.indexOf(input.charAt(i++));
                enc3 = keyStr.indexOf(input.charAt(i++));
                enc4 = keyStr.indexOf(input.charAt(i++));

                chr1 = (enc1 << 2) | (enc2 >> 4);
                chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
                chr3 = ((enc3 & 3) << 6) | enc4;

                output = output + String.fromCharCode(chr1);

                if (enc3 != 64) {
                    output = output + String.fromCharCode(chr2);
                }
                if (enc4 != 64) {
                    output = output + String.fromCharCode(chr3);
                }
            } while (i < input.length);

            return output;
        }
    };
    return obj;
}));

/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS PUB 180-1
 * Version 2.1a Copyright Paul Johnston 2000 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

/* jshint undef: true, unused: true:, noarg: true, latedef: true */
/* global define */

/* Some functions and variables have been stripped for use with Strophe */

(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        define('strophe-sha1', function () {
            return factory();
        });
    } else {
        // Browser globals
        root.SHA1 = factory();
    }
}(this, function () {

/*
 * Calculate the SHA-1 of an array of big-endian words, and a bit length
 */
function core_sha1(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << (24 - len % 32);
  x[((len + 64 >> 9) << 4) + 15] = len;

  var w = new Array(80);
  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;
  var e = -1009589776;

  var i, j, t, olda, oldb, oldc, oldd, olde;
  for (i = 0; i < x.length; i += 16)
  {
    olda = a;
    oldb = b;
    oldc = c;
    oldd = d;
    olde = e;

    for (j = 0; j < 80; j++)
    {
      if (j < 16) { w[j] = x[i + j]; }
      else { w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1); }
      t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)),
                       safe_add(safe_add(e, w[j]), sha1_kt(j)));
      e = d;
      d = c;
      c = rol(b, 30);
      b = a;
      a = t;
    }

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
    e = safe_add(e, olde);
  }
  return [a, b, c, d, e];
}

/*
 * Perform the appropriate triplet combination function for the current
 * iteration
 */
function sha1_ft(t, b, c, d)
{
  if (t < 20) { return (b & c) | ((~b) & d); }
  if (t < 40) { return b ^ c ^ d; }
  if (t < 60) { return (b & c) | (b & d) | (c & d); }
  return b ^ c ^ d;
}

/*
 * Determine the appropriate additive constant for the current iteration
 */
function sha1_kt(t)
{
  return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 :
         (t < 60) ? -1894007588 : -899497514;
}

/*
 * Calculate the HMAC-SHA1 of a key and some data
 */
function core_hmac_sha1(key, data)
{
  var bkey = str2binb(key);
  if (bkey.length > 16) { bkey = core_sha1(bkey, key.length * 8); }

  var ipad = new Array(16), opad = new Array(16);
  for (var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_sha1(ipad.concat(str2binb(data)), 512 + data.length * 8);
  return core_sha1(opad.concat(hash), 512 + 160);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert an 8-bit or 16-bit string to an array of big-endian words
 * In 8-bit function, characters >255 have their hi-byte silently ignored.
 */
function str2binb(str)
{
  var bin = [];
  var mask = 255;
  for (var i = 0; i < str.length * 8; i += 8)
  {
    bin[i>>5] |= (str.charCodeAt(i / 8) & mask) << (24 - i%32);
  }
  return bin;
}

/*
 * Convert an array of big-endian words to a string
 */
function binb2str(bin)
{
  var str = "";
  var mask = 255;
  for (var i = 0; i < bin.length * 32; i += 8)
  {
    str += String.fromCharCode((bin[i>>5] >>> (24 - i%32)) & mask);
  }
  return str;
}

/*
 * Convert an array of big-endian words to a base-64 string
 */
function binb2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  var triplet, j;
  for (var i = 0; i < binarray.length * 4; i += 3)
  {
    triplet = (((binarray[i   >> 2] >> 8 * (3 -  i   %4)) & 0xFF) << 16) |
              (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 ) |
               ((binarray[i+2 >> 2] >> 8 * (3 - (i+2)%4)) & 0xFF);
    for (j = 0; j < 4; j++)
    {
      if (i * 8 + j * 6 > binarray.length * 32) { str += "="; }
      else { str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); }
    }
  }
  return str;
}

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
return {
    b64_hmac_sha1:  function (key, data){ return binb2b64(core_hmac_sha1(key, data)); },
    b64_sha1:       function (s) { return binb2b64(core_sha1(str2binb(s),s.length * 8)); },
    binb2str:       binb2str,
    core_hmac_sha1: core_hmac_sha1,
    str_hmac_sha1:  function (key, data){ return binb2str(core_hmac_sha1(key, data)); },
    str_sha1:       function (s) { return binb2str(core_sha1(str2binb(s),s.length * 8)); },
};
}));

/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

/*
 * Everything that isn't used by Strophe has been stripped here!
 */

(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        define('strophe-md5', function () {
            return factory();
        });
    } else {
        // Browser globals
        root.MD5 = factory();
    }
}(this, function (b) {
    /*
     * Add integers, wrapping at 2^32. This uses 16-bit operations internally
     * to work around bugs in some JS interpreters.
     */
    var safe_add = function (x, y) {
        var lsw = (x & 0xFFFF) + (y & 0xFFFF);
        var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
        return (msw << 16) | (lsw & 0xFFFF);
    };

    /*
     * Bitwise rotate a 32-bit number to the left.
     */
    var bit_rol = function (num, cnt) {
        return (num << cnt) | (num >>> (32 - cnt));
    };

    /*
     * Convert a string to an array of little-endian words
     */
    var str2binl = function (str) {
        var bin = [];
        for(var i = 0; i < str.length * 8; i += 8)
        {
            bin[i>>5] |= (str.charCodeAt(i / 8) & 255) << (i%32);
        }
        return bin;
    };

    /*
     * Convert an array of little-endian words to a string
     */
    var binl2str = function (bin) {
        var str = "";
        for(var i = 0; i < bin.length * 32; i += 8)
        {
            str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & 255);
        }
        return str;
    };

    /*
     * Convert an array of little-endian words to a hex string.
     */
    var binl2hex = function (binarray) {
        var hex_tab = "0123456789abcdef";
        var str = "";
        for(var i = 0; i < binarray.length * 4; i++)
        {
            str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
                hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
        }
        return str;
    };

    /*
     * These functions implement the four basic operations the algorithm uses.
     */
    var md5_cmn = function (q, a, b, x, s, t) {
        return safe_add(bit_rol(safe_add(safe_add(a, q),safe_add(x, t)), s),b);
    };

    var md5_ff = function (a, b, c, d, x, s, t) {
        return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
    };

    var md5_gg = function (a, b, c, d, x, s, t) {
        return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
    };

    var md5_hh = function (a, b, c, d, x, s, t) {
        return md5_cmn(b ^ c ^ d, a, b, x, s, t);
    };

    var md5_ii = function (a, b, c, d, x, s, t) {
        return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
    };

    /*
     * Calculate the MD5 of an array of little-endian words, and a bit length
     */
    var core_md5 = function (x, len) {
        /* append padding */
        x[len >> 5] |= 0x80 << ((len) % 32);
        x[(((len + 64) >>> 9) << 4) + 14] = len;

        var a =  1732584193;
        var b = -271733879;
        var c = -1732584194;
        var d =  271733878;

        var olda, oldb, oldc, oldd;
        for (var i = 0; i < x.length; i += 16)
        {
            olda = a;
            oldb = b;
            oldc = c;
            oldd = d;

            a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
            d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
            c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
            b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
            a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
            d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
            c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
            b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
            a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
            d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
            c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
            b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
            a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
            d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
            c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
            b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

            a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
            d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
            c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
            b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
            a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
            d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
            c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
            b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
            a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
            d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
            c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
            b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
            a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
            d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
            c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
            b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

            a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
            d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
            c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
            b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
            a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
            d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
            c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
            b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
            a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
            d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
            c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
            b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
            a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
            d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
            c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
            b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

            a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
            d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
            c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
            b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
            a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
            d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
            c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
            b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
            a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
            d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
            c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
            b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
            a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
            d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
            c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
            b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

            a = safe_add(a, olda);
            b = safe_add(b, oldb);
            c = safe_add(c, oldc);
            d = safe_add(d, oldd);
        }
        return [a, b, c, d];
    };

    var obj = {
        /*
         * These are the functions you'll usually want to call.
         * They take string arguments and return either hex or base-64 encoded
         * strings.
         */
        hexdigest: function (s) {
            return binl2hex(core_md5(str2binl(s), s.length * 8));
        },

        hash: function (s) {
            return binl2str(core_md5(str2binl(s), s.length * 8));
        }
    };
    return obj;
}));

/*
    This program is distributed under the terms of the MIT license.
    Please see the LICENSE file for details.

    Copyright 2006-2008, OGG, LLC
*/

/* jshint undef: true, unused: true:, noarg: true, latedef: true */

/** PrivateFunction: Function.prototype.bind
 *  Bind a function to an instance.
 *
 *  This Function object extension method creates a bound method similar
 *  to those in Python.  This means that the 'this' object will point
 *  to the instance you want.  See
 *  <a href='https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Function/bind'>MDC's bind() documentation</a> and
 *  <a href='http://benjamin.smedbergs.us/blog/2007-01-03/bound-functions-and-function-imports-in-javascript/'>Bound Functions and Function Imports in JavaScript</a>
 *  for a complete explanation.
 *
 *  This extension already exists in some browsers (namely, Firefox 3), but
 *  we provide it to support those that don't.
 *
 *  Parameters:
 *    (Object) obj - The object that will become 'this' in the bound function.
 *    (Object) argN - An option argument that will be prepended to the
 *      arguments given for the function call
 *
 *  Returns:
 *    The bound function.
 */
if (!Function.prototype.bind) {
    Function.prototype.bind = function (obj /*, arg1, arg2, ... */)
    {
        var func = this;
        var _slice = Array.prototype.slice;
        var _concat = Array.prototype.concat;
        var _args = _slice.call(arguments, 1);

        return function () {
            return func.apply(obj ? obj : this,
                              _concat.call(_args,
                                           _slice.call(arguments, 0)));
        };
    };
}

/** PrivateFunction: Array.isArray
 *  This is a polyfill for the ES5 Array.isArray method.
 */
if (!Array.isArray) {
    Array.isArray = function(arg) {
        return Object.prototype.toString.call(arg) === '[object Array]';
    };
}

/** PrivateFunction: Array.prototype.indexOf
 *  Return the index of an object in an array.
 *
 *  This function is not supplied by some JavaScript implementations, so
 *  we provide it if it is missing.  This code is from:
 *  http://developer.mozilla.org/En/Core_JavaScript_1.5_Reference:Objects:Array:indexOf
 *
 *  Parameters:
 *    (Object) elt - The object to look for.
 *    (Integer) from - The index from which to start looking. (optional).
 *
 *  Returns:
 *    The index of elt in the array or -1 if not found.
 */
if (!Array.prototype.indexOf)
    {
        Array.prototype.indexOf = function(elt /*, from*/)
        {
            var len = this.length;

            var from = Number(arguments[1]) || 0;
            from = (from < 0) ? Math.ceil(from) : Math.floor(from);
            if (from < 0) {
                from += len;
            }

            for (; from < len; from++) {
                if (from in this && this[from] === elt) {
                    return from;
                }
            }

            return -1;
        };
    }

/*
    This program is distributed under the terms of the MIT license.
    Please see the LICENSE file for details.

    Copyright 2006-2008, OGG, LLC
*/

/* jshint undef: true, unused: true:, noarg: true, latedef: true */
/*global define, document, window, setTimeout, clearTimeout, console, ActiveXObject, DOMParser */

(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        define('strophe-core', [
            'strophe-sha1',
            'strophe-base64',
            'strophe-md5',
            "strophe-polyfill"
        ], function () {
            return factory.apply(this, arguments);
        });
    } else {
        // Browser globals
        var o = factory(root.SHA1, root.Base64, root.MD5);
        window.Strophe =        o.Strophe;
        window.$build =         o.$build;
        window.$iq =            o.$iq;
        window.$msg =           o.$msg;
        window.$pres =          o.$pres;
        window.SHA1 =           o.SHA1;
        window.Base64 =         o.Base64;
        window.MD5 =            o.MD5;
        window.b64_hmac_sha1 =  o.SHA1.b64_hmac_sha1;
        window.b64_sha1 =       o.SHA1.b64_sha1;
        window.str_hmac_sha1 =  o.SHA1.str_hmac_sha1;
        window.str_sha1 =       o.SHA1.str_sha1;
    }
}(this, function (SHA1, Base64, MD5) {

var Strophe;

/** Function: $build
 *  Create a Strophe.Builder.
 *  This is an alias for 'new Strophe.Builder(name, attrs)'.
 *
 *  Parameters:
 *    (String) name - The root element name.
 *    (Object) attrs - The attributes for the root element in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder object.
 */
function $build(name, attrs) { return new Strophe.Builder(name, attrs); }

/** Function: $msg
 *  Create a Strophe.Builder with a <message/> element as the root.
 *
 *  Parameters:
 *    (Object) attrs - The <message/> element attributes in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder object.
 */
function $msg(attrs) { return new Strophe.Builder("message", attrs); }

/** Function: $iq
 *  Create a Strophe.Builder with an <iq/> element as the root.
 *
 *  Parameters:
 *    (Object) attrs - The <iq/> element attributes in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder object.
 */
function $iq(attrs) { return new Strophe.Builder("iq", attrs); }

/** Function: $pres
 *  Create a Strophe.Builder with a <presence/> element as the root.
 *
 *  Parameters:
 *    (Object) attrs - The <presence/> element attributes in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder object.
 */
function $pres(attrs) { return new Strophe.Builder("presence", attrs); }

/** Class: Strophe
 *  An object container for all Strophe library functions.
 *
 *  This class is just a container for all the objects and constants
 *  used in the library.  It is not meant to be instantiated, but to
 *  provide a namespace for library objects, constants, and functions.
 */
Strophe = {
    /** Constant: VERSION
     *  The version of the Strophe library. Unreleased builds will have
     *  a version of head-HASH where HASH is a partial revision.
     */
    VERSION: "1.2.3",

    /** Constants: XMPP Namespace Constants
     *  Common namespace constants from the XMPP RFCs and XEPs.
     *
     *  NS.HTTPBIND - HTTP BIND namespace from XEP 124.
     *  NS.BOSH - BOSH namespace from XEP 206.
     *  NS.CLIENT - Main XMPP client namespace.
     *  NS.AUTH - Legacy authentication namespace.
     *  NS.ROSTER - Roster operations namespace.
     *  NS.PROFILE - Profile namespace.
     *  NS.DISCO_INFO - Service discovery info namespace from XEP 30.
     *  NS.DISCO_ITEMS - Service discovery items namespace from XEP 30.
     *  NS.MUC - Multi-User Chat namespace from XEP 45.
     *  NS.SASL - XMPP SASL namespace from RFC 3920.
     *  NS.STREAM - XMPP Streams namespace from RFC 3920.
     *  NS.BIND - XMPP Binding namespace from RFC 3920.
     *  NS.SESSION - XMPP Session namespace from RFC 3920.
     *  NS.XHTML_IM - XHTML-IM namespace from XEP 71.
     *  NS.XHTML - XHTML body namespace from XEP 71.
     */
    NS: {
        HTTPBIND: "http://jabber.org/protocol/httpbind",
        BOSH: "urn:xmpp:xbosh",
        CLIENT: "jabber:client",
        AUTH: "jabber:iq:auth",
        ROSTER: "jabber:iq:roster",
        PROFILE: "jabber:iq:profile",
        DISCO_INFO: "http://jabber.org/protocol/disco#info",
        DISCO_ITEMS: "http://jabber.org/protocol/disco#items",
        MUC: "http://jabber.org/protocol/muc",
        SASL: "urn:ietf:params:xml:ns:xmpp-sasl",
        STREAM: "http://etherx.jabber.org/streams",
        FRAMING: "urn:ietf:params:xml:ns:xmpp-framing",
        BIND: "urn:ietf:params:xml:ns:xmpp-bind",
        SESSION: "urn:ietf:params:xml:ns:xmpp-session",
        VERSION: "jabber:iq:version",
        STANZAS: "urn:ietf:params:xml:ns:xmpp-stanzas",
        XHTML_IM: "http://jabber.org/protocol/xhtml-im",
        XHTML: "http://www.w3.org/1999/xhtml"
    },


    /** Constants: XHTML_IM Namespace
     *  contains allowed tags, tag attributes, and css properties.
     *  Used in the createHtml function to filter incoming html into the allowed XHTML-IM subset.
     *  See http://xmpp.org/extensions/xep-0071.html#profile-summary for the list of recommended
     *  allowed tags and their attributes.
     */
    XHTML: {
                tags: ['a','blockquote','br','cite','em','img','li','ol','p','span','strong','ul','body'],
                attributes: {
                        'a':          ['href'],
                        'blockquote': ['style'],
                        'br':         [],
                        'cite':       ['style'],
                        'em':         [],
                        'img':        ['src', 'alt', 'style', 'height', 'width'],
                        'li':         ['style'],
                        'ol':         ['style'],
                        'p':          ['style'],
                        'span':       ['style'],
                        'strong':     [],
                        'ul':         ['style'],
                        'body':       []
                },
                css: ['background-color','color','font-family','font-size','font-style','font-weight','margin-left','margin-right','text-align','text-decoration'],
                /** Function: XHTML.validTag
                 *
                 * Utility method to determine whether a tag is allowed
                 * in the XHTML_IM namespace.
                 *
                 * XHTML tag names are case sensitive and must be lower case.
                 */
                validTag: function(tag) {
                        for (var i = 0; i < Strophe.XHTML.tags.length; i++) {
                                if (tag == Strophe.XHTML.tags[i]) {
                                        return true;
                                }
                        }
                        return false;
                },
                /** Function: XHTML.validAttribute
                 *
                 * Utility method to determine whether an attribute is allowed
                 * as recommended per XEP-0071
                 *
                 * XHTML attribute names are case sensitive and must be lower case.
                 */
                validAttribute: function(tag, attribute) {
                        if(typeof Strophe.XHTML.attributes[tag] !== 'undefined' && Strophe.XHTML.attributes[tag].length > 0) {
                                for(var i = 0; i < Strophe.XHTML.attributes[tag].length; i++) {
                                        if(attribute == Strophe.XHTML.attributes[tag][i]) {
                                                return true;
                                        }
                                }
                        }
                        return false;
                },
                validCSS: function(style)
                {
                        for(var i = 0; i < Strophe.XHTML.css.length; i++) {
                                if(style == Strophe.XHTML.css[i]) {
                                        return true;
                                }
                        }
                        return false;
                }
    },

    /** Constants: Connection Status Constants
     *  Connection status constants for use by the connection handler
     *  callback.
     *
     *  Status.ERROR - An error has occurred
     *  Status.CONNECTING - The connection is currently being made
     *  Status.CONNFAIL - The connection attempt failed
     *  Status.AUTHENTICATING - The connection is authenticating
     *  Status.AUTHFAIL - The authentication attempt failed
     *  Status.CONNECTED - The connection has succeeded
     *  Status.DISCONNECTED - The connection has been terminated
     *  Status.DISCONNECTING - The connection is currently being terminated
     *  Status.ATTACHED - The connection has been attached
     */
    Status: {
        ERROR: 0,
        CONNECTING: 1,
        CONNFAIL: 2,
        AUTHENTICATING: 3,
        AUTHFAIL: 4,
        CONNECTED: 5,
        DISCONNECTED: 6,
        DISCONNECTING: 7,
        ATTACHED: 8,
        REDIRECT: 9
    },

    /** Constants: Log Level Constants
     *  Logging level indicators.
     *
     *  LogLevel.DEBUG - Debug output
     *  LogLevel.INFO - Informational output
     *  LogLevel.WARN - Warnings
     *  LogLevel.ERROR - Errors
     *  LogLevel.FATAL - Fatal errors
     */
    LogLevel: {
        DEBUG: 0,
        INFO: 1,
        WARN: 2,
        ERROR: 3,
        FATAL: 4
    },

    /** PrivateConstants: DOM Element Type Constants
     *  DOM element types.
     *
     *  ElementType.NORMAL - Normal element.
     *  ElementType.TEXT - Text data element.
     *  ElementType.FRAGMENT - XHTML fragment element.
     */
    ElementType: {
        NORMAL: 1,
        TEXT: 3,
        CDATA: 4,
        FRAGMENT: 11
    },

    /** PrivateConstants: Timeout Values
     *  Timeout values for error states.  These values are in seconds.
     *  These should not be changed unless you know exactly what you are
     *  doing.
     *
     *  TIMEOUT - Timeout multiplier. A waiting request will be considered
     *      failed after Math.floor(TIMEOUT * wait) seconds have elapsed.
     *      This defaults to 1.1, and with default wait, 66 seconds.
     *  SECONDARY_TIMEOUT - Secondary timeout multiplier. In cases where
     *      Strophe can detect early failure, it will consider the request
     *      failed if it doesn't return after
     *      Math.floor(SECONDARY_TIMEOUT * wait) seconds have elapsed.
     *      This defaults to 0.1, and with default wait, 6 seconds.
     */
    TIMEOUT: 1.1,
    SECONDARY_TIMEOUT: 0.1,

    /** Function: addNamespace
     *  This function is used to extend the current namespaces in
     *  Strophe.NS.  It takes a key and a value with the key being the
     *  name of the new namespace, with its actual value.
     *  For example:
     *  Strophe.addNamespace('PUBSUB', "http://jabber.org/protocol/pubsub");
     *
     *  Parameters:
     *    (String) name - The name under which the namespace will be
     *      referenced under Strophe.NS
     *    (String) value - The actual namespace.
     */
    addNamespace: function (name, value)
    {
      Strophe.NS[name] = value;
    },

    /** Function: forEachChild
     *  Map a function over some or all child elements of a given element.
     *
     *  This is a small convenience function for mapping a function over
     *  some or all of the children of an element.  If elemName is null, all
     *  children will be passed to the function, otherwise only children
     *  whose tag names match elemName will be passed.
     *
     *  Parameters:
     *    (XMLElement) elem - The element to operate on.
     *    (String) elemName - The child element tag name filter.
     *    (Function) func - The function to apply to each child.  This
     *      function should take a single argument, a DOM element.
     */
    forEachChild: function (elem, elemName, func)
    {
        var i, childNode;

        for (i = 0; i < elem.childNodes.length; i++) {
            childNode = elem.childNodes[i];
            if (childNode.nodeType == Strophe.ElementType.NORMAL &&
                (!elemName || this.isTagEqual(childNode, elemName))) {
                func(childNode);
            }
        }
    },

    /** Function: isTagEqual
     *  Compare an element's tag name with a string.
     *
     *  This function is case sensitive.
     *
     *  Parameters:
     *    (XMLElement) el - A DOM element.
     *    (String) name - The element name.
     *
     *  Returns:
     *    true if the element's tag name matches _el_, and false
     *    otherwise.
     */
    isTagEqual: function (el, name)
    {
        return el.tagName == name;
    },

    /** PrivateVariable: _xmlGenerator
     *  _Private_ variable that caches a DOM document to
     *  generate elements.
     */
    _xmlGenerator: null,

    /** PrivateFunction: _makeGenerator
     *  _Private_ function that creates a dummy XML DOM document to serve as
     *  an element and text node generator.
     */
    _makeGenerator: function () {
        var doc;

        // IE9 does implement createDocument(); however, using it will cause the browser to leak memory on page unload.
        // Here, we test for presence of createDocument() plus IE's proprietary documentMode attribute, which would be
                // less than 10 in the case of IE9 and below.
        if (document.implementation.createDocument === undefined ||
                        document.implementation.createDocument && document.documentMode && document.documentMode < 10) {
            doc = this._getIEXmlDom();
            doc.appendChild(doc.createElement('strophe'));
        } else {
            doc = document.implementation
                .createDocument('jabber:client', 'strophe', null);
        }

        return doc;
    },

    /** Function: xmlGenerator
     *  Get the DOM document to generate elements.
     *
     *  Returns:
     *    The currently used DOM document.
     */
    xmlGenerator: function () {
        if (!Strophe._xmlGenerator) {
            Strophe._xmlGenerator = Strophe._makeGenerator();
        }
        return Strophe._xmlGenerator;
    },

    /** PrivateFunction: _getIEXmlDom
     *  Gets IE xml doc object
     *
     *  Returns:
     *    A Microsoft XML DOM Object
     *  See Also:
     *    http://msdn.microsoft.com/en-us/library/ms757837%28VS.85%29.aspx
     */
    _getIEXmlDom : function() {
        var doc = null;
        var docStrings = [
            "Msxml2.DOMDocument.6.0",
            "Msxml2.DOMDocument.5.0",
            "Msxml2.DOMDocument.4.0",
            "MSXML2.DOMDocument.3.0",
            "MSXML2.DOMDocument",
            "MSXML.DOMDocument",
            "Microsoft.XMLDOM"
        ];

        for (var d = 0; d < docStrings.length; d++) {
            if (doc === null) {
                try {
                    doc = new ActiveXObject(docStrings[d]);
                } catch (e) {
                    doc = null;
                }
            } else {
                break;
            }
        }

        return doc;
    },

    /** Function: xmlElement
     *  Create an XML DOM element.
     *
     *  This function creates an XML DOM element correctly across all
     *  implementations. Note that these are not HTML DOM elements, which
     *  aren't appropriate for XMPP stanzas.
     *
     *  Parameters:
     *    (String) name - The name for the element.
     *    (Array|Object) attrs - An optional array or object containing
     *      key/value pairs to use as element attributes. The object should
     *      be in the format {'key': 'value'} or {key: 'value'}. The array
     *      should have the format [['key1', 'value1'], ['key2', 'value2']].
     *    (String) text - The text child data for the element.
     *
     *  Returns:
     *    A new XML DOM element.
     */
    xmlElement: function (name)
    {
        if (!name) { return null; }

        var node = Strophe.xmlGenerator().createElement(name);

        // FIXME: this should throw errors if args are the wrong type or
        // there are more than two optional args
        var a, i, k;
        for (a = 1; a < arguments.length; a++) {
            var arg = arguments[a];
            if (!arg) { continue; }
            if (typeof(arg) == "string" ||
                typeof(arg) == "number") {
                node.appendChild(Strophe.xmlTextNode(arg));
            } else if (typeof(arg) == "object" &&
                       typeof(arg.sort) == "function") {
                for (i = 0; i < arg.length; i++) {
                    var attr = arg[i];
                    if (typeof(attr) == "object" &&
                        typeof(attr.sort) == "function" &&
                        attr[1] !== undefined &&
                        attr[1] !== null) {
                        node.setAttribute(attr[0], attr[1]);
                    }
                }
            } else if (typeof(arg) == "object") {
                for (k in arg) {
                    if (arg.hasOwnProperty(k)) {
                        if (arg[k] !== undefined &&
                            arg[k] !== null) {
                            node.setAttribute(k, arg[k]);
                        }
                    }
                }
            }
        }

        return node;
    },

    /*  Function: xmlescape
     *  Excapes invalid xml characters.
     *
     *  Parameters:
     *     (String) text - text to escape.
     *
     *  Returns:
     *      Escaped text.
     */
    xmlescape: function(text)
    {
        text = text.replace(/\&/g, "&amp;");
        text = text.replace(/</g,  "&lt;");
        text = text.replace(/>/g,  "&gt;");
        text = text.replace(/'/g,  "&apos;");
        text = text.replace(/"/g,  "&quot;");
        return text;
    },

    /*  Function: xmlunescape
    *  Unexcapes invalid xml characters.
    *
    *  Parameters:
    *     (String) text - text to unescape.
    *
    *  Returns:
    *      Unescaped text.
    */
    xmlunescape: function(text)
    {
        text = text.replace(/\&amp;/g, "&");
        text = text.replace(/&lt;/g,  "<");
        text = text.replace(/&gt;/g,  ">");
        text = text.replace(/&apos;/g,  "'");
        text = text.replace(/&quot;/g,  "\"");
        return text;
    },

    /** Function: xmlTextNode
     *  Creates an XML DOM text node.
     *
     *  Provides a cross implementation version of document.createTextNode.
     *
     *  Parameters:
     *    (String) text - The content of the text node.
     *
     *  Returns:
     *    A new XML DOM text node.
     */
    xmlTextNode: function (text)
    {
        return Strophe.xmlGenerator().createTextNode(text);
    },

    /** Function: xmlHtmlNode
     *  Creates an XML DOM html node.
     *
     *  Parameters:
     *    (String) html - The content of the html node.
     *
     *  Returns:
     *    A new XML DOM text node.
     */
    xmlHtmlNode: function (html)
    {
        var node;
        //ensure text is escaped
        if (window.DOMParser) {
            var parser = new DOMParser();
            node = parser.parseFromString(html, "text/xml");
        } else {
            node = new ActiveXObject("Microsoft.XMLDOM");
            node.async="false";
            node.loadXML(html);
        }
        return node;
    },

    /** Function: getText
     *  Get the concatenation of all text children of an element.
     *
     *  Parameters:
     *    (XMLElement) elem - A DOM element.
     *
     *  Returns:
     *    A String with the concatenated text of all text element children.
     */
    getText: function (elem)
    {
        if (!elem) { return null; }

        var str = "";
        if (elem.childNodes.length === 0 && elem.nodeType ==
            Strophe.ElementType.TEXT) {
            str += elem.nodeValue;
        }

        for (var i = 0; i < elem.childNodes.length; i++) {
            if (elem.childNodes[i].nodeType == Strophe.ElementType.TEXT) {
                str += elem.childNodes[i].nodeValue;
            }
        }

        return Strophe.xmlescape(str);
    },

    /** Function: copyElement
     *  Copy an XML DOM element.
     *
     *  This function copies a DOM element and all its descendants and returns
     *  the new copy.
     *
     *  Parameters:
     *    (XMLElement) elem - A DOM element.
     *
     *  Returns:
     *    A new, copied DOM element tree.
     */
    copyElement: function (elem)
    {
        var i, el;
        if (elem.nodeType == Strophe.ElementType.NORMAL) {
            el = Strophe.xmlElement(elem.tagName);

            for (i = 0; i < elem.attributes.length; i++) {
                el.setAttribute(elem.attributes[i].nodeName,
                                elem.attributes[i].value);
            }

            for (i = 0; i < elem.childNodes.length; i++) {
                el.appendChild(Strophe.copyElement(elem.childNodes[i]));
            }
        } else if (elem.nodeType == Strophe.ElementType.TEXT) {
            el = Strophe.xmlGenerator().createTextNode(elem.nodeValue);
        }

        return el;
    },


    /** Function: createHtml
     *  Copy an HTML DOM element into an XML DOM.
     *
     *  This function copies a DOM element and all its descendants and returns
     *  the new copy.
     *
     *  Parameters:
     *    (HTMLElement) elem - A DOM element.
     *
     *  Returns:
     *    A new, copied DOM element tree.
     */
    createHtml: function (elem)
    {
        var i, el, j, tag, attribute, value, css, cssAttrs, attr, cssName, cssValue;
        if (elem.nodeType == Strophe.ElementType.NORMAL) {
            tag = elem.nodeName.toLowerCase(); // XHTML tags must be lower case.
            if(Strophe.XHTML.validTag(tag)) {
                try {
                    el = Strophe.xmlElement(tag);
                    for(i = 0; i < Strophe.XHTML.attributes[tag].length; i++) {
                        attribute = Strophe.XHTML.attributes[tag][i];
                        value = elem.getAttribute(attribute);
                        if(typeof value == 'undefined' || value === null || value === '' || value === false || value === 0) {
                            continue;
                        }
                        if(attribute == 'style' && typeof value == 'object') {
                            if(typeof value.cssText != 'undefined') {
                                value = value.cssText; // we're dealing with IE, need to get CSS out
                            }
                        }
                        // filter out invalid css styles
                        if(attribute == 'style') {
                            css = [];
                            cssAttrs = value.split(';');
                            for(j = 0; j < cssAttrs.length; j++) {
                                attr = cssAttrs[j].split(':');
                                cssName = attr[0].replace(/^\s*/, "").replace(/\s*$/, "").toLowerCase();
                                if(Strophe.XHTML.validCSS(cssName)) {
                                    cssValue = attr[1].replace(/^\s*/, "").replace(/\s*$/, "");
                                    css.push(cssName + ': ' + cssValue);
                                }
                            }
                            if(css.length > 0) {
                                value = css.join('; ');
                                el.setAttribute(attribute, value);
                            }
                        } else {
                            el.setAttribute(attribute, value);
                        }
                    }

                    for (i = 0; i < elem.childNodes.length; i++) {
                        el.appendChild(Strophe.createHtml(elem.childNodes[i]));
                    }
                } catch(e) { // invalid elements
                  el = Strophe.xmlTextNode('');
                }
            } else {
                el = Strophe.xmlGenerator().createDocumentFragment();
                for (i = 0; i < elem.childNodes.length; i++) {
                    el.appendChild(Strophe.createHtml(elem.childNodes[i]));
                }
            }
        } else if (elem.nodeType == Strophe.ElementType.FRAGMENT) {
            el = Strophe.xmlGenerator().createDocumentFragment();
            for (i = 0; i < elem.childNodes.length; i++) {
                el.appendChild(Strophe.createHtml(elem.childNodes[i]));
            }
        } else if (elem.nodeType == Strophe.ElementType.TEXT) {
            el = Strophe.xmlTextNode(elem.nodeValue);
        }

        return el;
    },

    /** Function: escapeNode
     *  Escape the node part (also called local part) of a JID.
     *
     *  Parameters:
     *    (String) node - A node (or local part).
     *
     *  Returns:
     *    An escaped node (or local part).
     */
    escapeNode: function (node)
    {
        if (typeof node !== "string") { return node; }
        return node.replace(/^\s+|\s+$/g, '')
            .replace(/\\/g,  "\\5c")
            .replace(/ /g,   "\\20")
            .replace(/\"/g,  "\\22")
            .replace(/\&/g,  "\\26")
            .replace(/\'/g,  "\\27")
            .replace(/\//g,  "\\2f")
            .replace(/:/g,   "\\3a")
            .replace(/</g,   "\\3c")
            .replace(/>/g,   "\\3e")
            .replace(/@/g,   "\\40");
    },

    /** Function: unescapeNode
     *  Unescape a node part (also called local part) of a JID.
     *
     *  Parameters:
     *    (String) node - A node (or local part).
     *
     *  Returns:
     *    An unescaped node (or local part).
     */
    unescapeNode: function (node)
    {
        if (typeof node !== "string") { return node; }
        return node.replace(/\\20/g, " ")
            .replace(/\\22/g, '"')
            .replace(/\\26/g, "&")
            .replace(/\\27/g, "'")
            .replace(/\\2f/g, "/")
            .replace(/\\3a/g, ":")
            .replace(/\\3c/g, "<")
            .replace(/\\3e/g, ">")
            .replace(/\\40/g, "@")
            .replace(/\\5c/g, "\\");
    },

    /** Function: getNodeFromJid
     *  Get the node portion of a JID String.
     *
     *  Parameters:
     *    (String) jid - A JID.
     *
     *  Returns:
     *    A String containing the node.
     */
    getNodeFromJid: function (jid)
    {
        if (jid.indexOf("@") < 0) { return null; }
        return jid.split("@")[0];
    },

    /** Function: getDomainFromJid
     *  Get the domain portion of a JID String.
     *
     *  Parameters:
     *    (String) jid - A JID.
     *
     *  Returns:
     *    A String containing the domain.
     */
    getDomainFromJid: function (jid)
    {
        var bare = Strophe.getBareJidFromJid(jid);
        if (bare.indexOf("@") < 0) {
            return bare;
        } else {
            var parts = bare.split("@");
            parts.splice(0, 1);
            return parts.join('@');
        }
    },

    /** Function: getResourceFromJid
     *  Get the resource portion of a JID String.
     *
     *  Parameters:
     *    (String) jid - A JID.
     *
     *  Returns:
     *    A String containing the resource.
     */
    getResourceFromJid: function (jid)
    {
        var s = jid.split("/");
        if (s.length < 2) { return null; }
        s.splice(0, 1);
        return s.join('/');
    },

    /** Function: getBareJidFromJid
     *  Get the bare JID from a JID String.
     *
     *  Parameters:
     *    (String) jid - A JID.
     *
     *  Returns:
     *    A String containing the bare JID.
     */
    getBareJidFromJid: function (jid)
    {
        return jid ? jid.split("/")[0] : null;
    },

    /** Function: log
     *  User overrideable logging function.
     *
     *  This function is called whenever the Strophe library calls any
     *  of the logging functions.  The default implementation of this
     *  function does nothing.  If client code wishes to handle the logging
     *  messages, it should override this with
     *  > Strophe.log = function (level, msg) {
     *  >   (user code here)
     *  > };
     *
     *  Please note that data sent and received over the wire is logged
     *  via Strophe.Connection.rawInput() and Strophe.Connection.rawOutput().
     *
     *  The different levels and their meanings are
     *
     *    DEBUG - Messages useful for debugging purposes.
     *    INFO - Informational messages.  This is mostly information like
     *      'disconnect was called' or 'SASL auth succeeded'.
     *    WARN - Warnings about potential problems.  This is mostly used
     *      to report transient connection errors like request timeouts.
     *    ERROR - Some error occurred.
     *    FATAL - A non-recoverable fatal error occurred.
     *
     *  Parameters:
     *    (Integer) level - The log level of the log message.  This will
     *      be one of the values in Strophe.LogLevel.
     *    (String) msg - The log message.
     */
    /* jshint ignore:start */
    log: function (level, msg)
    {
        return;
    },
    /* jshint ignore:end */

    /** Function: debug
     *  Log a message at the Strophe.LogLevel.DEBUG level.
     *
     *  Parameters:
     *    (String) msg - The log message.
     */
    debug: function(msg)
    {
        this.log(this.LogLevel.DEBUG, msg);
    },

    /** Function: info
     *  Log a message at the Strophe.LogLevel.INFO level.
     *
     *  Parameters:
     *    (String) msg - The log message.
     */
    info: function (msg)
    {
        this.log(this.LogLevel.INFO, msg);
    },

    /** Function: warn
     *  Log a message at the Strophe.LogLevel.WARN level.
     *
     *  Parameters:
     *    (String) msg - The log message.
     */
    warn: function (msg)
    {
        this.log(this.LogLevel.WARN, msg);
    },

    /** Function: error
     *  Log a message at the Strophe.LogLevel.ERROR level.
     *
     *  Parameters:
     *    (String) msg - The log message.
     */
    error: function (msg)
    {
        this.log(this.LogLevel.ERROR, msg);
    },

    /** Function: fatal
     *  Log a message at the Strophe.LogLevel.FATAL level.
     *
     *  Parameters:
     *    (String) msg - The log message.
     */
    fatal: function (msg)
    {
        this.log(this.LogLevel.FATAL, msg);
    },

    /** Function: serialize
     *  Render a DOM element and all descendants to a String.
     *
     *  Parameters:
     *    (XMLElement) elem - A DOM element.
     *
     *  Returns:
     *    The serialized element tree as a String.
     */
    serialize: function (elem)
    {
        var result;

        if (!elem) { return null; }

        if (typeof(elem.tree) === "function") {
            elem = elem.tree();
        }

        var nodeName = elem.nodeName;
        var i, child;

        if (elem.getAttribute("_realname")) {
            nodeName = elem.getAttribute("_realname");
        }

        result = "<" + nodeName;
        for (i = 0; i < elem.attributes.length; i++) {
               if(elem.attributes[i].nodeName != "_realname") {
                 result += " " + elem.attributes[i].nodeName +
                "='" + elem.attributes[i].value
                    .replace(/&/g, "&amp;")
                       .replace(/\'/g, "&apos;")
                       .replace(/>/g, "&gt;")
                       .replace(/</g, "&lt;") + "'";
               }
        }

        if (elem.childNodes.length > 0) {
            result += ">";
            for (i = 0; i < elem.childNodes.length; i++) {
                child = elem.childNodes[i];
                switch( child.nodeType ){
                  case Strophe.ElementType.NORMAL:
                    // normal element, so recurse
                    result += Strophe.serialize(child);
                    break;
                  case Strophe.ElementType.TEXT:
                    // text element to escape values
                    result += Strophe.xmlescape(child.nodeValue);
                    break;
                  case Strophe.ElementType.CDATA:
                    // cdata section so don't escape values
                    result += "<![CDATA["+child.nodeValue+"]]>";
                }
            }
            result += "</" + nodeName + ">";
        } else {
            result += "/>";
        }

        return result;
    },

    /** PrivateVariable: _requestId
     *  _Private_ variable that keeps track of the request ids for
     *  connections.
     */
    _requestId: 0,

    /** PrivateVariable: Strophe.connectionPlugins
     *  _Private_ variable Used to store plugin names that need
     *  initialization on Strophe.Connection construction.
     */
    _connectionPlugins: {},

    /** Function: addConnectionPlugin
     *  Extends the Strophe.Connection object with the given plugin.
     *
     *  Parameters:
     *    (String) name - The name of the extension.
     *    (Object) ptype - The plugin's prototype.
     */
    addConnectionPlugin: function (name, ptype)
    {
        Strophe._connectionPlugins[name] = ptype;
    }
};

/** Class: Strophe.Builder
 *  XML DOM builder.
 *
 *  This object provides an interface similar to JQuery but for building
 *  DOM elements easily and rapidly.  All the functions except for toString()
 *  and tree() return the object, so calls can be chained.  Here's an
 *  example using the $iq() builder helper.
 *  > $iq({to: 'you', from: 'me', type: 'get', id: '1'})
 *  >     .c('query', {xmlns: 'strophe:example'})
 *  >     .c('example')
 *  >     .toString()
 *  The above generates this XML fragment
 *  > <iq to='you' from='me' type='get' id='1'>
 *  >   <query xmlns='strophe:example'>
 *  >     <example/>
 *  >   </query>
 *  > </iq>
 *  The corresponding DOM manipulations to get a similar fragment would be
 *  a lot more tedious and probably involve several helper variables.
 *
 *  Since adding children makes new operations operate on the child, up()
 *  is provided to traverse up the tree.  To add two children, do
 *  > builder.c('child1', ...).up().c('child2', ...)
 *  The next operation on the Builder will be relative to the second child.
 */

/** Constructor: Strophe.Builder
 *  Create a Strophe.Builder object.
 *
 *  The attributes should be passed in object notation.  For example
 *  > var b = new Builder('message', {to: 'you', from: 'me'});
 *  or
 *  > var b = new Builder('messsage', {'xml:lang': 'en'});
 *
 *  Parameters:
 *    (String) name - The name of the root element.
 *    (Object) attrs - The attributes for the root element in object notation.
 *
 *  Returns:
 *    A new Strophe.Builder.
 */
Strophe.Builder = function (name, attrs)
{
    // Set correct namespace for jabber:client elements
    if (name == "presence" || name == "message" || name == "iq") {
        if (attrs && !attrs.xmlns) {
            attrs.xmlns = Strophe.NS.CLIENT;
        } else if (!attrs) {
            attrs = {xmlns: Strophe.NS.CLIENT};
        }
    }

    // Holds the tree being built.
    this.nodeTree = Strophe.xmlElement(name, attrs);

    // Points to the current operation node.
    this.node = this.nodeTree;
};

Strophe.Builder.prototype = {
    /** Function: tree
     *  Return the DOM tree.
     *
     *  This function returns the current DOM tree as an element object.  This
     *  is suitable for passing to functions like Strophe.Connection.send().
     *
     *  Returns:
     *    The DOM tree as a element object.
     */
    tree: function ()
    {
        return this.nodeTree;
    },

    /** Function: toString
     *  Serialize the DOM tree to a String.
     *
     *  This function returns a string serialization of the current DOM
     *  tree.  It is often used internally to pass data to a
     *  Strophe.Request object.
     *
     *  Returns:
     *    The serialized DOM tree in a String.
     */
    toString: function ()
    {
        return Strophe.serialize(this.nodeTree);
    },

    /** Function: up
     *  Make the current parent element the new current element.
     *
     *  This function is often used after c() to traverse back up the tree.
     *  For example, to add two children to the same element
     *  > builder.c('child1', {}).up().c('child2', {});
     *
     *  Returns:
     *    The Stophe.Builder object.
     */
    up: function ()
    {
        this.node = this.node.parentNode;
        return this;
    },

    /** Function: attrs
     *  Add or modify attributes of the current element.
     *
     *  The attributes should be passed in object notation.  This function
     *  does not move the current element pointer.
     *
     *  Parameters:
     *    (Object) moreattrs - The attributes to add/modify in object notation.
     *
     *  Returns:
     *    The Strophe.Builder object.
     */
    attrs: function (moreattrs)
    {
        for (var k in moreattrs) {
            if (moreattrs.hasOwnProperty(k)) {
                if (moreattrs[k] === undefined) {
                    this.node.removeAttribute(k);
                } else {
                    this.node.setAttribute(k, moreattrs[k]);
                }
            }
        }
        return this;
    },

    /** Function: c
     *  Add a child to the current element and make it the new current
     *  element.
     *
     *  This function moves the current element pointer to the child,
     *  unless text is provided.  If you need to add another child, it
     *  is necessary to use up() to go back to the parent in the tree.
     *
     *  Parameters:
     *    (String) name - The name of the child.
     *    (Object) attrs - The attributes of the child in object notation.
     *    (String) text - The text to add to the child.
     *
     *  Returns:
     *    The Strophe.Builder object.
     */
    c: function (name, attrs, text)
    {
        var child = Strophe.xmlElement(name, attrs, text);
        this.node.appendChild(child);
        if (typeof text !== "string") {
            this.node = child;
        }
        return this;
    },

    /** Function: cnode
     *  Add a child to the current element and make it the new current
     *  element.
     *
     *  This function is the same as c() except that instead of using a
     *  name and an attributes object to create the child it uses an
     *  existing DOM element object.
     *
     *  Parameters:
     *    (XMLElement) elem - A DOM element.
     *
     *  Returns:
     *    The Strophe.Builder object.
     */
    cnode: function (elem)
    {
        var impNode;
        var xmlGen = Strophe.xmlGenerator();
        try {
            impNode = (xmlGen.importNode !== undefined);
        }
        catch (e) {
            impNode = false;
        }
        var newElem = impNode ?
                      xmlGen.importNode(elem, true) :
                      Strophe.copyElement(elem);
        this.node.appendChild(newElem);
        this.node = newElem;
        return this;
    },

    /** Function: t
     *  Add a child text element.
     *
     *  This *does not* make the child the new current element since there
     *  are no children of text elements.
     *
     *  Parameters:
     *    (String) text - The text data to append to the current element.
     *
     *  Returns:
     *    The Strophe.Builder object.
     */
    t: function (text)
    {
        var child = Strophe.xmlTextNode(text);
        this.node.appendChild(child);
        return this;
    },

    /** Function: h
     *  Replace current element contents with the HTML passed in.
     *
     *  This *does not* make the child the new current element
     *
     *  Parameters:
     *    (String) html - The html to insert as contents of current element.
     *
     *  Returns:
     *    The Strophe.Builder object.
     */
    h: function (html)
    {
        var fragment = document.createElement('body');

        // force the browser to try and fix any invalid HTML tags
        fragment.innerHTML = html;

        // copy cleaned html into an xml dom
        var xhtml = Strophe.createHtml(fragment);

        while(xhtml.childNodes.length > 0) {
            this.node.appendChild(xhtml.childNodes[0]);
        }
        return this;
    }
};

/** PrivateClass: Strophe.Handler
 *  _Private_ helper class for managing stanza handlers.
 *
 *  A Strophe.Handler encapsulates a user provided callback function to be
 *  executed when matching stanzas are received by the connection.
 *  Handlers can be either one-off or persistant depending on their
 *  return value. Returning true will cause a Handler to remain active, and
 *  returning false will remove the Handler.
 *
 *  Users will not use Strophe.Handler objects directly, but instead they
 *  will use Strophe.Connection.addHandler() and
 *  Strophe.Connection.deleteHandler().
 */

/** PrivateConstructor: Strophe.Handler
 *  Create and initialize a new Strophe.Handler.
 *
 *  Parameters:
 *    (Function) handler - A function to be executed when the handler is run.
 *    (String) ns - The namespace to match.
 *    (String) name - The element name to match.
 *    (String) type - The element type to match.
 *    (String) id - The element id attribute to match.
 *    (String) from - The element from attribute to match.
 *    (Object) options - Handler options
 *
 *  Returns:
 *    A new Strophe.Handler object.
 */
Strophe.Handler = function (handler, ns, name, type, id, from, options)
{
    this.handler = handler;
    this.ns = ns;
    this.name = name;
    this.type = type;
    this.id = id;
    this.options = options || {matchBare: false};

    // default matchBare to false if undefined
    if (!this.options.matchBare) {
        this.options.matchBare = false;
    }

    if (this.options.matchBare) {
        this.from = from ? Strophe.getBareJidFromJid(from) : null;
    } else {
        this.from = from;
    }

    // whether the handler is a user handler or a system handler
    this.user = true;
};

Strophe.Handler.prototype = {
    /** PrivateFunction: isMatch
     *  Tests if a stanza matches the Strophe.Handler.
     *
     *  Parameters:
     *    (XMLElement) elem - The XML element to test.
     *
     *  Returns:
     *    true if the stanza matches and false otherwise.
     */
    isMatch: function (elem)
    {
        var nsMatch;
        var from = null;

        if (this.options.matchBare) {
            from = Strophe.getBareJidFromJid(elem.getAttribute('from'));
        } else {
            from = elem.getAttribute('from');
        }

        nsMatch = false;
        if (!this.ns) {
            nsMatch = true;
        } else {
            var that = this;
            Strophe.forEachChild(elem, null, function (elem) {
                if (elem.getAttribute("xmlns") == that.ns) {
                    nsMatch = true;
                }
            });

            nsMatch = nsMatch || elem.getAttribute("xmlns") == this.ns;
        }

        var elem_type = elem.getAttribute("type");
        if (nsMatch &&
            (!this.name || Strophe.isTagEqual(elem, this.name)) &&
            (!this.type || (Array.isArray(this.type) ? this.type.indexOf(elem_type) != -1 : elem_type == this.type)) &&
            (!this.id || elem.getAttribute("id") == this.id) &&
            (!this.from || from == this.from)) {
                return true;
        }

        return false;
    },

    /** PrivateFunction: run
     *  Run the callback on a matching stanza.
     *
     *  Parameters:
     *    (XMLElement) elem - The DOM element that triggered the
     *      Strophe.Handler.
     *
     *  Returns:
     *    A boolean indicating if the handler should remain active.
     */
    run: function (elem)
    {
        var result = null;
        try {
            result = this.handler(elem);
        } catch (e) {
            if (e.sourceURL) {
                Strophe.fatal("error: " + this.handler +
                              " " + e.sourceURL + ":" +
                              e.line + " - " + e.name + ": " + e.message);
            } else if (e.fileName) {
                if (typeof(console) != "undefined") {
                    console.trace();
                    console.error(this.handler, " - error - ", e, e.message);
                }
                Strophe.fatal("error: " + this.handler + " " +
                              e.fileName + ":" + e.lineNumber + " - " +
                              e.name + ": " + e.message);
            } else {
                Strophe.fatal("error: " + e.message + "\n" + e.stack);
            }

            throw e;
        }

        return result;
    },

    /** PrivateFunction: toString
     *  Get a String representation of the Strophe.Handler object.
     *
     *  Returns:
     *    A String.
     */
    toString: function ()
    {
        return "{Handler: " + this.handler + "(" + this.name + "," +
            this.id + "," + this.ns + ")}";
    }
};

/** PrivateClass: Strophe.TimedHandler
 *  _Private_ helper class for managing timed handlers.
 *
 *  A Strophe.TimedHandler encapsulates a user provided callback that
 *  should be called after a certain period of time or at regular
 *  intervals.  The return value of the callback determines whether the
 *  Strophe.TimedHandler will continue to fire.
 *
 *  Users will not use Strophe.TimedHandler objects directly, but instead
 *  they will use Strophe.Connection.addTimedHandler() and
 *  Strophe.Connection.deleteTimedHandler().
 */

/** PrivateConstructor: Strophe.TimedHandler
 *  Create and initialize a new Strophe.TimedHandler object.
 *
 *  Parameters:
 *    (Integer) period - The number of milliseconds to wait before the
 *      handler is called.
 *    (Function) handler - The callback to run when the handler fires.  This
 *      function should take no arguments.
 *
 *  Returns:
 *    A new Strophe.TimedHandler object.
 */
Strophe.TimedHandler = function (period, handler)
{
    this.period = period;
    this.handler = handler;

    this.lastCalled = new Date().getTime();
    this.user = true;
};

Strophe.TimedHandler.prototype = {
    /** PrivateFunction: run
     *  Run the callback for the Strophe.TimedHandler.
     *
     *  Returns:
     *    true if the Strophe.TimedHandler should be called again, and false
     *      otherwise.
     */
    run: function ()
    {
        this.lastCalled = new Date().getTime();
        return this.handler();
    },

    /** PrivateFunction: reset
     *  Reset the last called time for the Strophe.TimedHandler.
     */
    reset: function ()
    {
        this.lastCalled = new Date().getTime();
    },

    /** PrivateFunction: toString
     *  Get a string representation of the Strophe.TimedHandler object.
     *
     *  Returns:
     *    The string representation.
     */
    toString: function ()
    {
        return "{TimedHandler: " + this.handler + "(" + this.period +")}";
    }
};

/** Class: Strophe.Connection
 *  XMPP Connection manager.
 *
 *  This class is the main part of Strophe.  It manages a BOSH or websocket
 *  connection to an XMPP server and dispatches events to the user callbacks
 *  as data arrives. It supports SASL PLAIN, SASL DIGEST-MD5, SASL SCRAM-SHA1
 *  and legacy authentication.
 *
 *  After creating a Strophe.Connection object, the user will typically
 *  call connect() with a user supplied callback to handle connection level
 *  events like authentication failure, disconnection, or connection
 *  complete.
 *
 *  The user will also have several event handlers defined by using
 *  addHandler() and addTimedHandler().  These will allow the user code to
 *  respond to interesting stanzas or do something periodically with the
 *  connection. These handlers will be active once authentication is
 *  finished.
 *
 *  To send data to the connection, use send().
 */

/** Constructor: Strophe.Connection
 *  Create and initialize a Strophe.Connection object.
 *
 *  The transport-protocol for this connection will be chosen automatically
 *  based on the given service parameter. URLs starting with "ws://" or
 *  "wss://" will use WebSockets, URLs starting with "http://", "https://"
 *  or without a protocol will use BOSH.
 *
 *  To make Strophe connect to the current host you can leave out the protocol
 *  and host part and just pass the path, e.g.
 *
 *  > var conn = new Strophe.Connection("/http-bind/");
 *
 *  WebSocket options:
 *
 *  If you want to connect to the current host with a WebSocket connection you
 *  can tell Strophe to use WebSockets through a "protocol" attribute in the
 *  optional options parameter. Valid values are "ws" for WebSocket and "wss"
 *  for Secure WebSocket.
 *  So to connect to "wss://CURRENT_HOSTNAME/xmpp-websocket" you would call
 *
 *  > var conn = new Strophe.Connection("/xmpp-websocket/", {protocol: "wss"});
 *
 *  Note that relative URLs _NOT_ starting with a "/" will also include the path
 *  of the current site.
 *
 *  Also because downgrading security is not permitted by browsers, when using
 *  relative URLs both BOSH and WebSocket connections will use their secure
 *  variants if the current connection to the site is also secure (https).
 *
 *  BOSH options:
 *
 *  By adding "sync" to the options, you can control if requests will
 *  be made synchronously or not. The default behaviour is asynchronous.
 *  If you want to make requests synchronous, make "sync" evaluate to true:
 *  > var conn = new Strophe.Connection("/http-bind/", {sync: true});
 *
 *  You can also toggle this on an already established connection:
 *  > conn.options.sync = true;
 *
 *  The "customHeaders" option can be used to provide custom HTTP headers to be
 *  included in the XMLHttpRequests made.
 *
 *  The "keepalive" option can be used to instruct Strophe to maintain the
 *  current BOSH session across interruptions such as webpage reloads.
 *
 *  It will do this by caching the sessions tokens in sessionStorage, and when
 *  "restore" is called it will check whether there are cached tokens with
 *  which it can resume an existing session.
 *
 *  Parameters:
 *    (String) service - The BOSH or WebSocket service URL.
 *    (Object) options - A hash of configuration options
 *
 *  Returns:
 *    A new Strophe.Connection object.
 */
Strophe.Connection = function (service, options)
{
    // The service URL
    this.service = service;

    // Configuration options
    this.options = options || {};
    var proto = this.options.protocol || "";

    // Select protocal based on service or options
    if (service.indexOf("ws:") === 0 || service.indexOf("wss:") === 0 ||
            proto.indexOf("ws") === 0) {
        this._proto = new Strophe.Websocket(this);
    } else {
        this._proto = new Strophe.Bosh(this);
    }

    /* The connected JID. */
    this.jid = "";
    /* the JIDs domain */
    this.domain = null;
    /* stream:features */
    this.features = null;

    // SASL
    this._sasl_data = {};
    this.do_session = false;
    this.do_bind = false;

    // handler lists
    this.timedHandlers = [];
    this.handlers = [];
    this.removeTimeds = [];
    this.removeHandlers = [];
    this.addTimeds = [];
    this.addHandlers = [];

    this._authentication = {};
    this._idleTimeout = null;
    this._disconnectTimeout = null;

    this.authenticated = false;
    this.connected = false;
    this.disconnecting = false;
    this.do_authentication = true;
    this.paused = false;
    this.restored = false;

    this._data = [];
    this._uniqueId = 0;

    this._sasl_success_handler = null;
    this._sasl_failure_handler = null;
    this._sasl_challenge_handler = null;

    // Max retries before disconnecting
    this.maxRetries = 5;

    // setup onIdle callback every 1/10th of a second
    this._idleTimeout = setTimeout(this._onIdle.bind(this), 100);

    // initialize plugins
    for (var k in Strophe._connectionPlugins) {
        if (Strophe._connectionPlugins.hasOwnProperty(k)) {
            var ptype = Strophe._connectionPlugins[k];
            // jslint complaints about the below line, but this is fine
            var F = function () {}; // jshint ignore:line
            F.prototype = ptype;
            this[k] = new F();
            this[k].init(this);
        }
    }
};

Strophe.Connection.prototype = {
    /** Function: reset
     *  Reset the connection.
     *
     *  This function should be called after a connection is disconnected
     *  before that connection is reused.
     */
    reset: function ()
    {
        this._proto._reset();

        // SASL
        this.do_session = false;
        this.do_bind = false;

        // handler lists
        this.timedHandlers = [];
        this.handlers = [];
        this.removeTimeds = [];
        this.removeHandlers = [];
        this.addTimeds = [];
        this.addHandlers = [];
        this._authentication = {};

        this.authenticated = false;
        this.connected = false;
        this.disconnecting = false;
        this.restored = false;

        this._data = [];
        this._requests = [];
        this._uniqueId = 0;
    },

    /** Function: pause
     *  Pause the request manager.
     *
     *  This will prevent Strophe from sending any more requests to the
     *  server.  This is very useful for temporarily pausing
     *  BOSH-Connections while a lot of send() calls are happening quickly.
     *  This causes Strophe to send the data in a single request, saving
     *  many request trips.
     */
    pause: function ()
    {
        this.paused = true;
    },

    /** Function: resume
     *  Resume the request manager.
     *
     *  This resumes after pause() has been called.
     */
    resume: function ()
    {
        this.paused = false;
    },

    /** Function: getUniqueId
     *  Generate a unique ID for use in <iq/> elements.
     *
     *  All <iq/> stanzas are required to have unique id attributes.  This
     *  function makes creating these easy.  Each connection instance has
     *  a counter which starts from zero, and the value of this counter
     *  plus a colon followed by the suffix becomes the unique id. If no
     *  suffix is supplied, the counter is used as the unique id.
     *
     *  Suffixes are used to make debugging easier when reading the stream
     *  data, and their use is recommended.  The counter resets to 0 for
     *  every new connection for the same reason.  For connections to the
     *  same server that authenticate the same way, all the ids should be
     *  the same, which makes it easy to see changes.  This is useful for
     *  automated testing as well.
     *
     *  Parameters:
     *    (String) suffix - A optional suffix to append to the id.
     *
     *  Returns:
     *    A unique string to be used for the id attribute.
     */
    getUniqueId: function(suffix) {
        var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
            var r = Math.random() * 16 | 0,
                v = c == 'x' ? r : r & 0x3 | 0x8;
            return v.toString(16);
        });
        if (typeof(suffix) == "string" || typeof(suffix) == "number") {
            return uuid + ":" + suffix;
        } else {
            return uuid + "";
        }
    },

    /** Function: connect
     *  Starts the connection process.
     *
     *  As the connection process proceeds, the user supplied callback will
     *  be triggered multiple times with status updates.  The callback
     *  should take two arguments - the status code and the error condition.
     *
     *  The status code will be one of the values in the Strophe.Status
     *  constants.  The error condition will be one of the conditions
     *  defined in RFC 3920 or the condition 'strophe-parsererror'.
     *
     *  The Parameters _wait_, _hold_ and _route_ are optional and only relevant
     *  for BOSH connections. Please see XEP 124 for a more detailed explanation
     *  of the optional parameters.
     *
     *  Parameters:
     *    (String) jid - The user's JID.  This may be a bare JID,
     *      or a full JID.  If a node is not supplied, SASL ANONYMOUS
     *      authentication will be attempted.
     *    (String) pass - The user's password.
     *    (Function) callback - The connect callback function.
     *    (Integer) wait - The optional HTTPBIND wait value.  This is the
     *      time the server will wait before returning an empty result for
     *      a request.  The default setting of 60 seconds is recommended.
     *    (Integer) hold - The optional HTTPBIND hold value.  This is the
     *      number of connections the server will hold at one time.  This
     *      should almost always be set to 1 (the default).
     *    (String) route - The optional route value.
     *    (String) authcid - The optional alternative authentication identity
     *      (username) if intending to impersonate another user.
     */
    connect: function (jid, pass, callback, wait, hold, route, authcid)
    {
        this.jid = jid;
        /** Variable: authzid
         *  Authorization identity.
         */
        this.authzid = Strophe.getBareJidFromJid(this.jid);
        /** Variable: authcid
         *  Authentication identity (User name).
         */
        this.authcid = authcid || Strophe.getNodeFromJid(this.jid);
        /** Variable: pass
         *  Authentication identity (User password).
         */
        this.pass = pass;
        /** Variable: servtype
         *  Digest MD5 compatibility.
         */
        this.servtype = "xmpp";
        this.connect_callback = callback;
        this.disconnecting = false;
        this.connected = false;
        this.authenticated = false;
        this.restored = false;

        // parse jid for domain
        this.domain = Strophe.getDomainFromJid(this.jid);

        this._changeConnectStatus(Strophe.Status.CONNECTING, null);

        this._proto._connect(wait, hold, route);
    },

    /** Function: attach
     *  Attach to an already created and authenticated BOSH session.
     *
     *  This function is provided to allow Strophe to attach to BOSH
     *  sessions which have been created externally, perhaps by a Web
     *  application.  This is often used to support auto-login type features
     *  without putting user credentials into the page.
     *
     *  Parameters:
     *    (String) jid - The full JID that is bound by the session.
     *    (String) sid - The SID of the BOSH session.
     *    (String) rid - The current RID of the BOSH session.  This RID
     *      will be used by the next request.
     *    (Function) callback The connect callback function.
     *    (Integer) wait - The optional HTTPBIND wait value.  This is the
     *      time the server will wait before returning an empty result for
     *      a request.  The default setting of 60 seconds is recommended.
     *      Other settings will require tweaks to the Strophe.TIMEOUT value.
     *    (Integer) hold - The optional HTTPBIND hold value.  This is the
     *      number of connections the server will hold at one time.  This
     *      should almost always be set to 1 (the default).
     *    (Integer) wind - The optional HTTBIND window value.  This is the
     *      allowed range of request ids that are valid.  The default is 5.
     */
    attach: function (jid, sid, rid, callback, wait, hold, wind)
    {
        if (this._proto instanceof Strophe.Bosh) {
            this._proto._attach(jid, sid, rid, callback, wait, hold, wind);
        } else {
            throw {
                name: 'StropheSessionError',
                message: 'The "attach" method can only be used with a BOSH connection.'
            };
        }
    },

    /** Function: restore
     *  Attempt to restore a cached BOSH session.
     *
     *  This function is only useful in conjunction with providing the
     *  "keepalive":true option when instantiating a new Strophe.Connection.
     *
     *  When "keepalive" is set to true, Strophe will cache the BOSH tokens
     *  RID (Request ID) and SID (Session ID) and then when this function is
     *  called, it will attempt to restore the session from those cached
     *  tokens.
     *
     *  This function must therefore be called instead of connect or attach.
     *
     *  For an example on how to use it, please see examples/restore.js
     *
     *  Parameters:
     *    (String) jid - The user's JID.  This may be a bare JID or a full JID.
     *    (Function) callback - The connect callback function.
     *    (Integer) wait - The optional HTTPBIND wait value.  This is the
     *      time the server will wait before returning an empty result for
     *      a request.  The default setting of 60 seconds is recommended.
     *    (Integer) hold - The optional HTTPBIND hold value.  This is the
     *      number of connections the server will hold at one time.  This
     *      should almost always be set to 1 (the default).
     *    (Integer) wind - The optional HTTBIND window value.  This is the
     *      allowed range of request ids that are valid.  The default is 5.
     */
    restore: function (jid, callback, wait, hold, wind)
    {
        if (this._sessionCachingSupported()) {
            this._proto._restore(jid, callback, wait, hold, wind);
        } else {
            throw {
                name: 'StropheSessionError',
                message: 'The "restore" method can only be used with a BOSH connection.'
            };
        }
    },

    /** PrivateFunction: _sessionCachingSupported
     * Checks whether sessionStorage and JSON are supported and whether we're
     * using BOSH.
     */
    _sessionCachingSupported: function ()
    {
        if (this._proto instanceof Strophe.Bosh) {
            if (!JSON) { return false; }
            try {
                window.sessionStorage.setItem('_strophe_', '_strophe_');
                window.sessionStorage.removeItem('_strophe_');
            } catch (e) {
                return false;
            }
            return true;
        }
        return false;
    },

    /** Function: xmlInput
     *  User overrideable function that receives XML data coming into the
     *  connection.
     *
     *  The default function does nothing.  User code can override this with
     *  > Strophe.Connection.xmlInput = function (elem) {
     *  >   (user code)
     *  > };
     *
     *  Due to limitations of current Browsers' XML-Parsers the opening and closing
     *  <stream> tag for WebSocket-Connoctions will be passed as selfclosing here.
     *
     *  BOSH-Connections will have all stanzas wrapped in a <body> tag. See
     *  <Strophe.Bosh.strip> if you want to strip this tag.
     *
     *  Parameters:
     *    (XMLElement) elem - The XML data received by the connection.
     */
    /* jshint unused:false */
    xmlInput: function (elem)
    {
        return;
    },
    /* jshint unused:true */

    /** Function: xmlOutput
     *  User overrideable function that receives XML data sent to the
     *  connection.
     *
     *  The default function does nothing.  User code can override this with
     *  > Strophe.Connection.xmlOutput = function (elem) {
     *  >   (user code)
     *  > };
     *
     *  Due to limitations of current Browsers' XML-Parsers the opening and closing
     *  <stream> tag for WebSocket-Connoctions will be passed as selfclosing here.
     *
     *  BOSH-Connections will have all stanzas wrapped in a <body> tag. See
     *  <Strophe.Bosh.strip> if you want to strip this tag.
     *
     *  Parameters:
     *    (XMLElement) elem - The XMLdata sent by the connection.
     */
    /* jshint unused:false */
    xmlOutput: function (elem)
    {
        return;
    },
    /* jshint unused:true */

    /** Function: rawInput
     *  User overrideable function that receives raw data coming into the
     *  connection.
     *
     *  The default function does nothing.  User code can override this with
     *  > Strophe.Connection.rawInput = function (data) {
     *  >   (user code)
     *  > };
     *
     *  Parameters:
     *    (String) data - The data received by the connection.
     */
    /* jshint unused:false */
    rawInput: function (data)
    {
        return;
    },
    /* jshint unused:true */

    /** Function: rawOutput
     *  User overrideable function that receives raw data sent to the
     *  connection.
     *
     *  The default function does nothing.  User code can override this with
     *  > Strophe.Connection.rawOutput = function (data) {
     *  >   (user code)
     *  > };
     *
     *  Parameters:
     *    (String) data - The data sent by the connection.
     */
    /* jshint unused:false */
    rawOutput: function (data)
    {
        return;
    },
    /* jshint unused:true */

    /** Function: nextValidRid
     *  User overrideable function that receives the new valid rid.
     *
     *  The default function does nothing. User code can override this with
     *  > Strophe.Connection.nextValidRid = function (rid) {
     *  >    (user code)
     *  > };
     *
     *  Parameters:
     *    (Number) rid - The next valid rid
     */
    /* jshint unused:false */
    nextValidRid: function (rid)
    {
        return;
    },
    /* jshint unused:true */

    /** Function: send
     *  Send a stanza.
     *
     *  This function is called to push data onto the send queue to
     *  go out over the wire.  Whenever a request is sent to the BOSH
     *  server, all pending data is sent and the queue is flushed.
     *
     *  Parameters:
     *    (XMLElement |
     *     [XMLElement] |
     *     Strophe.Builder) elem - The stanza to send.
     */
    send: function (elem)
    {
        if (elem === null) { return ; }
        if (typeof(elem.sort) === "function") {
            for (var i = 0; i < elem.length; i++) {
                this._queueData(elem[i]);
            }
        } else if (typeof(elem.tree) === "function") {
            this._queueData(elem.tree());
        } else {
            this._queueData(elem);
        }

        this._proto._send();
    },

    /** Function: flush
     *  Immediately send any pending outgoing data.
     *
     *  Normally send() queues outgoing data until the next idle period
     *  (100ms), which optimizes network use in the common cases when
     *  several send()s are called in succession. flush() can be used to
     *  immediately send all pending data.
     */
    flush: function ()
    {
        // cancel the pending idle period and run the idle function
        // immediately
        clearTimeout(this._idleTimeout);
        this._onIdle();
    },

    /** Function: sendIQ
     *  Helper function to send IQ stanzas.
     *
     *  Parameters:
     *    (XMLElement) elem - The stanza to send.
     *    (Function) callback - The callback function for a successful request.
     *    (Function) errback - The callback function for a failed or timed
     *      out request.  On timeout, the stanza will be null.
     *    (Integer) timeout - The time specified in milliseconds for a
     *      timeout to occur.
     *
     *  Returns:
     *    The id used to send the IQ.
    */
    sendIQ: function(elem, callback, errback, timeout) {
        var timeoutHandler = null;
        var that = this;

        if (typeof(elem.tree) === "function") {
            elem = elem.tree();
        }
        var id = elem.getAttribute('id');

        // inject id if not found
        if (!id) {
            id = this.getUniqueId("sendIQ");
            elem.setAttribute("id", id);
        }

        var expectedFrom = elem.getAttribute("to");
        var fulljid = this.jid;

        var handler = this.addHandler(function (stanza) {
            // remove timeout handler if there is one
            if (timeoutHandler) {
                that.deleteTimedHandler(timeoutHandler);
            }

            var acceptable = false;
            var from = stanza.getAttribute("from");
            if (from === expectedFrom ||
               (expectedFrom === null &&
                   (from === Strophe.getBareJidFromJid(fulljid) ||
                    from === Strophe.getDomainFromJid(fulljid) ||
                    from === fulljid))) {
                acceptable = true;
            }

            if (!acceptable) {
                throw {
                    name: "StropheError",
                    message: "Got answer to IQ from wrong jid:" + from +
                             "\nExpected jid: " + expectedFrom
                };
            }

            var iqtype = stanza.getAttribute('type');
            if (iqtype == 'result') {
                if (callback) {
                    callback(stanza);
                }
            } else if (iqtype == 'error') {
                if (errback) {
                    errback(stanza);
                }
            } else {
                throw {
                    name: "StropheError",
                    message: "Got bad IQ type of " + iqtype
                };
            }
        }, null, 'iq', ['error', 'result'], id);

        // if timeout specified, setup timeout handler.
        if (timeout) {
            timeoutHandler = this.addTimedHandler(timeout, function () {
                // get rid of normal handler
                that.deleteHandler(handler);
                // call errback on timeout with null stanza
                if (errback) {
                    errback(null);
                }
                return false;
            });
        }
        this.send(elem);
        return id;
    },

    /** PrivateFunction: _queueData
     *  Queue outgoing data for later sending.  Also ensures that the data
     *  is a DOMElement.
     */
    _queueData: function (element) {
        if (element === null ||
            !element.tagName ||
            !element.childNodes) {
            throw {
                name: "StropheError",
                message: "Cannot queue non-DOMElement."
            };
        }

        this._data.push(element);
    },

    /** PrivateFunction: _sendRestart
     *  Send an xmpp:restart stanza.
     */
    _sendRestart: function ()
    {
        this._data.push("restart");

        this._proto._sendRestart();

        this._idleTimeout = setTimeout(this._onIdle.bind(this), 100);
    },

    /** Function: addTimedHandler
     *  Add a timed handler to the connection.
     *
     *  This function adds a timed handler.  The provided handler will
     *  be called every period milliseconds until it returns false,
     *  the connection is terminated, or the handler is removed.  Handlers
     *  that wish to continue being invoked should return true.
     *
     *  Because of method binding it is necessary to save the result of
     *  this function if you wish to remove a handler with
     *  deleteTimedHandler().
     *
     *  Note that user handlers are not active until authentication is
     *  successful.
     *
     *  Parameters:
     *    (Integer) period - The period of the handler.
     *    (Function) handler - The callback function.
     *
     *  Returns:
     *    A reference to the handler that can be used to remove it.
     */
    addTimedHandler: function (period, handler)
    {
        var thand = new Strophe.TimedHandler(period, handler);
        this.addTimeds.push(thand);
        return thand;
    },

    /** Function: deleteTimedHandler
     *  Delete a timed handler for a connection.
     *
     *  This function removes a timed handler from the connection.  The
     *  handRef parameter is *not* the function passed to addTimedHandler(),
     *  but is the reference returned from addTimedHandler().
     *
     *  Parameters:
     *    (Strophe.TimedHandler) handRef - The handler reference.
     */
    deleteTimedHandler: function (handRef)
    {
        // this must be done in the Idle loop so that we don't change
        // the handlers during iteration
        this.removeTimeds.push(handRef);
    },

    /** Function: addHandler
     *  Add a stanza handler for the connection.
     *
     *  This function adds a stanza handler to the connection.  The
     *  handler callback will be called for any stanza that matches
     *  the parameters.  Note that if multiple parameters are supplied,
     *  they must all match for the handler to be invoked.
     *
     *  The handler will receive the stanza that triggered it as its argument.
     *  *The handler should return true if it is to be invoked again;
     *  returning false will remove the handler after it returns.*
     *
     *  As a convenience, the ns parameters applies to the top level element
     *  and also any of its immediate children.  This is primarily to make
     *  matching /iq/query elements easy.
     *
     *  The options argument contains handler matching flags that affect how
     *  matches are determined. Currently the only flag is matchBare (a
     *  boolean). When matchBare is true, the from parameter and the from
     *  attribute on the stanza will be matched as bare JIDs instead of
     *  full JIDs. To use this, pass {matchBare: true} as the value of
     *  options. The default value for matchBare is false.
     *
     *  The return value should be saved if you wish to remove the handler
     *  with deleteHandler().
     *
     *  Parameters:
     *    (Function) handler - The user callback.
     *    (String) ns - The namespace to match.
     *    (String) name - The stanza name to match.
     *    (String) type - The stanza type attribute to match.
     *    (String) id - The stanza id attribute to match.
     *    (String) from - The stanza from attribute to match.
     *    (String) options - The handler options
     *
     *  Returns:
     *    A reference to the handler that can be used to remove it.
     */
    addHandler: function (handler, ns, name, type, id, from, options)
    {
        var hand = new Strophe.Handler(handler, ns, name, type, id, from, options);
        this.addHandlers.push(hand);
        return hand;
    },

    /** Function: deleteHandler
     *  Delete a stanza handler for a connection.
     *
     *  This function removes a stanza handler from the connection.  The
     *  handRef parameter is *not* the function passed to addHandler(),
     *  but is the reference returned from addHandler().
     *
     *  Parameters:
     *    (Strophe.Handler) handRef - The handler reference.
     */
    deleteHandler: function (handRef)
    {
        // this must be done in the Idle loop so that we don't change
        // the handlers during iteration
        this.removeHandlers.push(handRef);
        // If a handler is being deleted while it is being added,
        // prevent it from getting added
        var i = this.addHandlers.indexOf(handRef);
        if (i >= 0) {
            this.addHandlers.splice(i, 1);
        }
    },

    /** Function: disconnect
     *  Start the graceful disconnection process.
     *
     *  This function starts the disconnection process.  This process starts
     *  by sending unavailable presence and sending BOSH body of type
     *  terminate.  A timeout handler makes sure that disconnection happens
     *  even if the BOSH server does not respond.
     *  If the Connection object isn't connected, at least tries to abort all pending requests
     *  so the connection object won't generate successful requests (which were already opened).
     *
     *  The user supplied connection callback will be notified of the
     *  progress as this process happens.
     *
     *  Parameters:
     *    (String) reason - The reason the disconnect is occuring.
     */
    disconnect: function (reason)
    {
        this._changeConnectStatus(Strophe.Status.DISCONNECTING, reason);

        Strophe.info("Disconnect was called because: " + reason);
        if (this.connected) {
            var pres = false;
            this.disconnecting = true;
            if (this.authenticated) {
                pres = $pres({
                    xmlns: Strophe.NS.CLIENT,
                    type: 'unavailable'
                });
            }
            // setup timeout handler
            this._disconnectTimeout = this._addSysTimedHandler(
                3000, this._onDisconnectTimeout.bind(this));
            this._proto._disconnect(pres);
        } else {
            Strophe.info("Disconnect was called before Strophe connected to the server");
            this._proto._abortAllRequests();
        }
    },

    /** PrivateFunction: _changeConnectStatus
     *  _Private_ helper function that makes sure plugins and the user's
     *  callback are notified of connection status changes.
     *
     *  Parameters:
     *    (Integer) status - the new connection status, one of the values
     *      in Strophe.Status
     *    (String) condition - the error condition or null
     */
    _changeConnectStatus: function (status, condition)
    {
        // notify all plugins listening for status changes
        for (var k in Strophe._connectionPlugins) {
            if (Strophe._connectionPlugins.hasOwnProperty(k)) {
                var plugin = this[k];
                if (plugin.statusChanged) {
                    try {
                        plugin.statusChanged(status, condition);
                    } catch (err) {
                        Strophe.error("" + k + " plugin caused an exception " +
                                      "changing status: " + err);
                    }
                }
            }
        }

        // notify the user's callback
        if (this.connect_callback) {
            try {
                this.connect_callback(status, condition);
            } catch (e) {
                Strophe.error("User connection callback caused an " +
                              "exception: " + e);
            }
        }
    },

    /** PrivateFunction: _doDisconnect
     *  _Private_ function to disconnect.
     *
     *  This is the last piece of the disconnection logic.  This resets the
     *  connection and alerts the user's connection callback.
     */
    _doDisconnect: function (condition)
    {
        if (typeof this._idleTimeout == "number") {
            clearTimeout(this._idleTimeout);
        }

        // Cancel Disconnect Timeout
        if (this._disconnectTimeout !== null) {
            this.deleteTimedHandler(this._disconnectTimeout);
            this._disconnectTimeout = null;
        }

        Strophe.info("_doDisconnect was called");
        this._proto._doDisconnect();

        this.authenticated = false;
        this.disconnecting = false;
        this.restored = false;

        // delete handlers
        this.handlers = [];
        this.timedHandlers = [];
        this.removeTimeds = [];
        this.removeHandlers = [];
        this.addTimeds = [];
        this.addHandlers = [];

        // tell the parent we disconnected
        this._changeConnectStatus(Strophe.Status.DISCONNECTED, condition);
        this.connected = false;
    },

    /** PrivateFunction: _dataRecv
     *  _Private_ handler to processes incoming data from the the connection.
     *
     *  Except for _connect_cb handling the initial connection request,
     *  this function handles the incoming data for all requests.  This
     *  function also fires stanza handlers that match each incoming
     *  stanza.
     *
     *  Parameters:
     *    (Strophe.Request) req - The request that has data ready.
     *    (string) req - The stanza a raw string (optiona).
     */
    _dataRecv: function (req, raw)
    {
        Strophe.info("_dataRecv called");
        var elem = this._proto._reqToData(req);
        if (elem === null) { return; }

        if (this.xmlInput !== Strophe.Connection.prototype.xmlInput) {
            if (elem.nodeName === this._proto.strip && elem.childNodes.length) {
                this.xmlInput(elem.childNodes[0]);
            } else {
                this.xmlInput(elem);
            }
        }
        if (this.rawInput !== Strophe.Connection.prototype.rawInput) {
            if (raw) {
                this.rawInput(raw);
            } else {
                this.rawInput(Strophe.serialize(elem));
            }
        }

        // remove handlers scheduled for deletion
        var i, hand;
        while (this.removeHandlers.length > 0) {
            hand = this.removeHandlers.pop();
            i = this.handlers.indexOf(hand);
            if (i >= 0) {
                this.handlers.splice(i, 1);
            }
        }

        // add handlers scheduled for addition
        while (this.addHandlers.length > 0) {
            this.handlers.push(this.addHandlers.pop());
        }

        // handle graceful disconnect
        if (this.disconnecting && this._proto._emptyQueue()) {
            this._doDisconnect();
            return;
        }

        var type = elem.getAttribute("type");
        var cond, conflict;
        if (type !== null && type == "terminate") {
            // Don't process stanzas that come in after disconnect
            if (this.disconnecting) {
                return;
            }

            // an error occurred
            cond = elem.getAttribute("condition");
            conflict = elem.getElementsByTagName("conflict");
            if (cond !== null) {
                if (cond == "remote-stream-error" && conflict.length > 0) {
                    cond = "conflict";
                }
                this._changeConnectStatus(Strophe.Status.CONNFAIL, cond);
            } else {
                this._changeConnectStatus(Strophe.Status.CONNFAIL, "unknown");
            }
            this._doDisconnect(cond);
            return;
        }

        // send each incoming stanza through the handler chain
        var that = this;
        Strophe.forEachChild(elem, null, function (child) {
            var i, newList;
            // process handlers
            newList = that.handlers;
            that.handlers = [];
            for (i = 0; i < newList.length; i++) {
                var hand = newList[i];
                // encapsulate 'handler.run' not to lose the whole handler list if
                // one of the handlers throws an exception
                try {
                    if (hand.isMatch(child) &&
                        (that.authenticated || !hand.user)) {
                        if (hand.run(child)) {
                            that.handlers.push(hand);
                        }
                    } else {
                        that.handlers.push(hand);
                    }
                } catch(e) {
                    // if the handler throws an exception, we consider it as false
                    Strophe.warn('Removing Strophe handlers due to uncaught exception: ' + e.message);
                }
            }
        });
    },


    /** Attribute: mechanisms
     *  SASL Mechanisms available for Conncection.
     */
    mechanisms: {},

    /** PrivateFunction: _connect_cb
     *  _Private_ handler for initial connection request.
     *
     *  This handler is used to process the initial connection request
     *  response from the BOSH server. It is used to set up authentication
     *  handlers and start the authentication process.
     *
     *  SASL authentication will be attempted if available, otherwise
     *  the code will fall back to legacy authentication.
     *
     *  Parameters:
     *    (Strophe.Request) req - The current request.
     *    (Function) _callback - low level (xmpp) connect callback function.
     *      Useful for plugins with their own xmpp connect callback (when their)
     *      want to do something special).
     */
    _connect_cb: function (req, _callback, raw)
    {
        Strophe.info("_connect_cb was called");

        this.connected = true;

        var bodyWrap = this._proto._reqToData(req);
        if (!bodyWrap) { return; }

        if (this.xmlInput !== Strophe.Connection.prototype.xmlInput) {
            if (bodyWrap.nodeName === this._proto.strip && bodyWrap.childNodes.length) {
                this.xmlInput(bodyWrap.childNodes[0]);
            } else {
                this.xmlInput(bodyWrap);
            }
        }
        if (this.rawInput !== Strophe.Connection.prototype.rawInput) {
            if (raw) {
                this.rawInput(raw);
            } else {
                this.rawInput(Strophe.serialize(bodyWrap));
            }
        }

        var conncheck = this._proto._connect_cb(bodyWrap);
        if (conncheck === Strophe.Status.CONNFAIL) {
            return;
        }

        this._authentication.sasl_scram_sha1 = false;
        this._authentication.sasl_plain = false;
        this._authentication.sasl_digest_md5 = false;
        this._authentication.sasl_anonymous = false;

        this._authentication.legacy_auth = false;

        // Check for the stream:features tag
        var hasFeatures;
        if (bodyWrap.getElementsByTagNameNS) {
            hasFeatures = bodyWrap.getElementsByTagNameNS(Strophe.NS.STREAM, "features").length > 0;
        } else {
            hasFeatures = bodyWrap.getElementsByTagName("stream:features").length > 0 || bodyWrap.getElementsByTagName("features").length > 0;
        }
        var mechanisms = bodyWrap.getElementsByTagName("mechanism");
        var matched = [];
        var i, mech, found_authentication = false;
        if (!hasFeatures) {
            this._proto._no_auth_received(_callback);
            return;
        }
        if (mechanisms.length > 0) {
            for (i = 0; i < mechanisms.length; i++) {
                mech = Strophe.getText(mechanisms[i]);
                if (this.mechanisms[mech]) matched.push(this.mechanisms[mech]);
            }
        }
        this._authentication.legacy_auth =
            bodyWrap.getElementsByTagName("auth").length > 0;
        found_authentication = this._authentication.legacy_auth ||
            matched.length > 0;
        if (!found_authentication) {
            this._proto._no_auth_received(_callback);
            return;
        }
        if (this.do_authentication !== false)
            this.authenticate(matched);
    },

    /** Function: authenticate
     * Set up authentication
     *
     *  Contiunues the initial connection request by setting up authentication
     *  handlers and start the authentication process.
     *
     *  SASL authentication will be attempted if available, otherwise
     *  the code will fall back to legacy authentication.
     *
     */
    authenticate: function (matched)
    {
      var i;
      // Sorting matched mechanisms according to priority.
      for (i = 0; i < matched.length - 1; ++i) {
        var higher = i;
        for (var j = i + 1; j < matched.length; ++j) {
          if (matched[j].prototype.priority > matched[higher].prototype.priority) {
            higher = j;
          }
        }
        if (higher != i) {
          var swap = matched[i];
          matched[i] = matched[higher];
          matched[higher] = swap;
        }
      }

      // run each mechanism
      var mechanism_found = false;
      for (i = 0; i < matched.length; ++i) {
        if (!matched[i].test(this)) continue;

        this._sasl_success_handler = this._addSysHandler(
          this._sasl_success_cb.bind(this), null,
          "success", null, null);
        this._sasl_failure_handler = this._addSysHandler(
          this._sasl_failure_cb.bind(this), null,
          "failure", null, null);
        this._sasl_challenge_handler = this._addSysHandler(
          this._sasl_challenge_cb.bind(this), null,
          "challenge", null, null);

        this._sasl_mechanism = new matched[i]();
        this._sasl_mechanism.onStart(this);

        var request_auth_exchange = $build("auth", {
          xmlns: Strophe.NS.SASL,
          mechanism: this._sasl_mechanism.name
        });

        if (this._sasl_mechanism.isClientFirst) {
          var response = this._sasl_mechanism.onChallenge(this, null);
          request_auth_exchange.t(Base64.encode(response));
        }

        this.send(request_auth_exchange.tree());

        mechanism_found = true;
        break;
      }

      if (!mechanism_found) {
        // if none of the mechanism worked
        if (Strophe.getNodeFromJid(this.jid) === null) {
            // we don't have a node, which is required for non-anonymous
            // client connections
            this._changeConnectStatus(Strophe.Status.CONNFAIL,
                                      'x-strophe-bad-non-anon-jid');
            this.disconnect('x-strophe-bad-non-anon-jid');
        } else {
          // fall back to legacy authentication
          this._changeConnectStatus(Strophe.Status.AUTHENTICATING, null);
          this._addSysHandler(this._auth1_cb.bind(this), null, null,
                              null, "_auth_1");

          this.send($iq({
            type: "get",
            to: this.domain,
            id: "_auth_1"
          }).c("query", {
            xmlns: Strophe.NS.AUTH
          }).c("username", {}).t(Strophe.getNodeFromJid(this.jid)).tree());
        }
      }

    },

    _sasl_challenge_cb: function(elem) {
      var challenge = Base64.decode(Strophe.getText(elem));
      var response = this._sasl_mechanism.onChallenge(this, challenge);

      var stanza = $build('response', {
          xmlns: Strophe.NS.SASL
      });
      if (response !== "") {
        stanza.t(Base64.encode(response));
      }
      this.send(stanza.tree());

      return true;
    },

    /** PrivateFunction: _auth1_cb
     *  _Private_ handler for legacy authentication.
     *
     *  This handler is called in response to the initial <iq type='get'/>
     *  for legacy authentication.  It builds an authentication <iq/> and
     *  sends it, creating a handler (calling back to _auth2_cb()) to
     *  handle the result
     *
     *  Parameters:
     *    (XMLElement) elem - The stanza that triggered the callback.
     *
     *  Returns:
     *    false to remove the handler.
     */
    /* jshint unused:false */
    _auth1_cb: function (elem)
    {
        // build plaintext auth iq
        var iq = $iq({type: "set", id: "_auth_2"})
            .c('query', {xmlns: Strophe.NS.AUTH})
            .c('username', {}).t(Strophe.getNodeFromJid(this.jid))
            .up()
            .c('password').t(this.pass);

        if (!Strophe.getResourceFromJid(this.jid)) {
            // since the user has not supplied a resource, we pick
            // a default one here.  unlike other auth methods, the server
            // cannot do this for us.
            this.jid = Strophe.getBareJidFromJid(this.jid) + '/strophe';
        }
        iq.up().c('resource', {}).t(Strophe.getResourceFromJid(this.jid));

        this._addSysHandler(this._auth2_cb.bind(this), null,
                            null, null, "_auth_2");

        this.send(iq.tree());

        return false;
    },
    /* jshint unused:true */

    /** PrivateFunction: _sasl_success_cb
     *  _Private_ handler for succesful SASL authentication.
     *
     *  Parameters:
     *    (XMLElement) elem - The matching stanza.
     *
     *  Returns:
     *    false to remove the handler.
     */
    _sasl_success_cb: function (elem)
    {
        if (this._sasl_data["server-signature"]) {
            var serverSignature;
            var success = Base64.decode(Strophe.getText(elem));
            var attribMatch = /([a-z]+)=([^,]+)(,|$)/;
            var matches = success.match(attribMatch);
            if (matches[1] == "v") {
                serverSignature = matches[2];
            }

            if (serverSignature != this._sasl_data["server-signature"]) {
              // remove old handlers
              this.deleteHandler(this._sasl_failure_handler);
              this._sasl_failure_handler = null;
              if (this._sasl_challenge_handler) {
                this.deleteHandler(this._sasl_challenge_handler);
                this._sasl_challenge_handler = null;
              }

              this._sasl_data = {};
              return this._sasl_failure_cb(null);
            }
        }

        Strophe.info("SASL authentication succeeded.");

        if(this._sasl_mechanism)
          this._sasl_mechanism.onSuccess();

        // remove old handlers
        this.deleteHandler(this._sasl_failure_handler);
        this._sasl_failure_handler = null;
        if (this._sasl_challenge_handler) {
            this.deleteHandler(this._sasl_challenge_handler);
            this._sasl_challenge_handler = null;
        }

        var streamfeature_handlers = [];
        var wrapper = function(handlers, elem) {
            while (handlers.length) {
                this.deleteHandler(handlers.pop());
            }
            this._sasl_auth1_cb.bind(this)(elem);
            return false;
        };
        streamfeature_handlers.push(this._addSysHandler(function(elem) {
            wrapper.bind(this)(streamfeature_handlers, elem);
        }.bind(this), null, "stream:features", null, null));
        streamfeature_handlers.push(this._addSysHandler(function(elem) {
            wrapper.bind(this)(streamfeature_handlers, elem);
        }.bind(this), Strophe.NS.STREAM, "features", null, null));

        // we must send an xmpp:restart now
        this._sendRestart();

        return false;
    },

    /** PrivateFunction: _sasl_auth1_cb
     *  _Private_ handler to start stream binding.
     *
     *  Parameters:
     *    (XMLElement) elem - The matching stanza.
     *
     *  Returns:
     *    false to remove the handler.
     */
    _sasl_auth1_cb: function (elem)
    {
        // save stream:features for future usage
        this.features = elem;

        var i, child;

        for (i = 0; i < elem.childNodes.length; i++) {
            child = elem.childNodes[i];
            if (child.nodeName == 'bind') {
                this.do_bind = true;
            }

            if (child.nodeName == 'session') {
                this.do_session = true;
            }
        }

        if (!this.do_bind) {
            this._changeConnectStatus(Strophe.Status.AUTHFAIL, null);
            return false;
        } else {
            this._addSysHandler(this._sasl_bind_cb.bind(this), null, null,
                                null, "_bind_auth_2");

            var resource = Strophe.getResourceFromJid(this.jid);
            if (resource) {
                this.send($iq({type: "set", id: "_bind_auth_2"})
                          .c('bind', {xmlns: Strophe.NS.BIND})
                          .c('resource', {}).t(resource).tree());
            } else {
                this.send($iq({type: "set", id: "_bind_auth_2"})
                          .c('bind', {xmlns: Strophe.NS.BIND})
                          .tree());
            }
        }

        return false;
    },

    /** PrivateFunction: _sasl_bind_cb
     *  _Private_ handler for binding result and session start.
     *
     *  Parameters:
     *    (XMLElement) elem - The matching stanza.
     *
     *  Returns:
     *    false to remove the handler.
     */
    _sasl_bind_cb: function (elem)
    {
        if (elem.getAttribute("type") == "error") {
            Strophe.info("SASL binding failed.");
            var conflict = elem.getElementsByTagName("conflict"), condition;
            if (conflict.length > 0) {
                condition = 'conflict';
            }
            this._changeConnectStatus(Strophe.Status.AUTHFAIL, condition);
            return false;
        }

        // TODO - need to grab errors
        var bind = elem.getElementsByTagName("bind");
        var jidNode;
        if (bind.length > 0) {
            // Grab jid
            jidNode = bind[0].getElementsByTagName("jid");
            if (jidNode.length > 0) {
                this.jid = Strophe.getText(jidNode[0]);

                if (this.do_session) {
                    this._addSysHandler(this._sasl_session_cb.bind(this),
                                        null, null, null, "_session_auth_2");

                    this.send($iq({type: "set", id: "_session_auth_2"})
                                  .c('session', {xmlns: Strophe.NS.SESSION})
                                  .tree());
                } else {
                    this.authenticated = true;
                    this._changeConnectStatus(Strophe.Status.CONNECTED, null);
                }
            }
        } else {
            Strophe.info("SASL binding failed.");
            this._changeConnectStatus(Strophe.Status.AUTHFAIL, null);
            return false;
        }
    },

    /** PrivateFunction: _sasl_session_cb
     *  _Private_ handler to finish successful SASL connection.
     *
     *  This sets Connection.authenticated to true on success, which
     *  starts the processing of user handlers.
     *
     *  Parameters:
     *    (XMLElement) elem - The matching stanza.
     *
     *  Returns:
     *    false to remove the handler.
     */
    _sasl_session_cb: function (elem)
    {
        if (elem.getAttribute("type") == "result") {
            this.authenticated = true;
            this._changeConnectStatus(Strophe.Status.CONNECTED, null);
        } else if (elem.getAttribute("type") == "error") {
            Strophe.info("Session creation failed.");
            this._changeConnectStatus(Strophe.Status.AUTHFAIL, null);
            return false;
        }

        return false;
    },

    /** PrivateFunction: _sasl_failure_cb
     *  _Private_ handler for SASL authentication failure.
     *
     *  Parameters:
     *    (XMLElement) elem - The matching stanza.
     *
     *  Returns:
     *    false to remove the handler.
     */
    /* jshint unused:false */
    _sasl_failure_cb: function (elem)
    {
        // delete unneeded handlers
        if (this._sasl_success_handler) {
            this.deleteHandler(this._sasl_success_handler);
            this._sasl_success_handler = null;
        }
        if (this._sasl_challenge_handler) {
            this.deleteHandler(this._sasl_challenge_handler);
            this._sasl_challenge_handler = null;
        }

        if(this._sasl_mechanism)
          this._sasl_mechanism.onFailure();
        this._changeConnectStatus(Strophe.Status.AUTHFAIL, null);
        return false;
    },
    /* jshint unused:true */

    /** PrivateFunction: _auth2_cb
     *  _Private_ handler to finish legacy authentication.
     *
     *  This handler is called when the result from the jabber:iq:auth
     *  <iq/> stanza is returned.
     *
     *  Parameters:
     *    (XMLElement) elem - The stanza that triggered the callback.
     *
     *  Returns:
     *    false to remove the handler.
     */
    _auth2_cb: function (elem)
    {
        if (elem.getAttribute("type") == "result") {
            this.authenticated = true;
            this._changeConnectStatus(Strophe.Status.CONNECTED, null);
        } else if (elem.getAttribute("type") == "error") {
            this._changeConnectStatus(Strophe.Status.AUTHFAIL, null);
            this.disconnect('authentication failed');
        }

        return false;
    },

    /** PrivateFunction: _addSysTimedHandler
     *  _Private_ function to add a system level timed handler.
     *
     *  This function is used to add a Strophe.TimedHandler for the
     *  library code.  System timed handlers are allowed to run before
     *  authentication is complete.
     *
     *  Parameters:
     *    (Integer) period - The period of the handler.
     *    (Function) handler - The callback function.
     */
    _addSysTimedHandler: function (period, handler)
    {
        var thand = new Strophe.TimedHandler(period, handler);
        thand.user = false;
        this.addTimeds.push(thand);
        return thand;
    },

    /** PrivateFunction: _addSysHandler
     *  _Private_ function to add a system level stanza handler.
     *
     *  This function is used to add a Strophe.Handler for the
     *  library code.  System stanza handlers are allowed to run before
     *  authentication is complete.
     *
     *  Parameters:
     *    (Function) handler - The callback function.
     *    (String) ns - The namespace to match.
     *    (String) name - The stanza name to match.
     *    (String) type - The stanza type attribute to match.
     *    (String) id - The stanza id attribute to match.
     */
    _addSysHandler: function (handler, ns, name, type, id)
    {
        var hand = new Strophe.Handler(handler, ns, name, type, id);
        hand.user = false;
        this.addHandlers.push(hand);
        return hand;
    },

    /** PrivateFunction: _onDisconnectTimeout
     *  _Private_ timeout handler for handling non-graceful disconnection.
     *
     *  If the graceful disconnect process does not complete within the
     *  time allotted, this handler finishes the disconnect anyway.
     *
     *  Returns:
     *    false to remove the handler.
     */
    _onDisconnectTimeout: function ()
    {
        Strophe.info("_onDisconnectTimeout was called");

        this._proto._onDisconnectTimeout();

        // actually disconnect
        this._doDisconnect();

        return false;
    },

    /** PrivateFunction: _onIdle
     *  _Private_ handler to process events during idle cycle.
     *
     *  This handler is called every 100ms to fire timed handlers that
     *  are ready and keep poll requests going.
     */
    _onIdle: function ()
    {
        var i, thand, since, newList;

        // add timed handlers scheduled for addition
        // NOTE: we add before remove in the case a timed handler is
        // added and then deleted before the next _onIdle() call.
        while (this.addTimeds.length > 0) {
            this.timedHandlers.push(this.addTimeds.pop());
        }

        // remove timed handlers that have been scheduled for deletion
        while (this.removeTimeds.length > 0) {
            thand = this.removeTimeds.pop();
            i = this.timedHandlers.indexOf(thand);
            if (i >= 0) {
                this.timedHandlers.splice(i, 1);
            }
        }

        // call ready timed handlers
        var now = new Date().getTime();
        newList = [];
        for (i = 0; i < this.timedHandlers.length; i++) {
            thand = this.timedHandlers[i];
            if (this.authenticated || !thand.user) {
                since = thand.lastCalled + thand.period;
                if (since - now <= 0) {
                    if (thand.run()) {
                        newList.push(thand);
                    }
                } else {
                    newList.push(thand);
                }
            }
        }
        this.timedHandlers = newList;

        clearTimeout(this._idleTimeout);

        this._proto._onIdle();

        // reactivate the timer only if connected
        if (this.connected) {
            this._idleTimeout = setTimeout(this._onIdle.bind(this), 100);
        }
    }
};

/** Class: Strophe.SASLMechanism
 *
 *  encapsulates SASL authentication mechanisms.
 *
 *  User code may override the priority for each mechanism or disable it completely.
 *  See <priority> for information about changing priority and <test> for informatian on
 *  how to disable a mechanism.
 *
 *  By default, all mechanisms are enabled and the priorities are
 *
 *  SCRAM-SHA1 - 40
 *  DIGEST-MD5 - 30
 *  Plain - 20
 */

/**
 * PrivateConstructor: Strophe.SASLMechanism
 * SASL auth mechanism abstraction.
 *
 *  Parameters:
 *    (String) name - SASL Mechanism name.
 *    (Boolean) isClientFirst - If client should send response first without challenge.
 *    (Number) priority - Priority.
 *
 *  Returns:
 *    A new Strophe.SASLMechanism object.
 */
Strophe.SASLMechanism = function(name, isClientFirst, priority) {
  /** PrivateVariable: name
   *  Mechanism name.
   */
  this.name = name;
  /** PrivateVariable: isClientFirst
   *  If client sends response without initial server challenge.
   */
  this.isClientFirst = isClientFirst;
  /** Variable: priority
   *  Determines which <SASLMechanism> is chosen for authentication (Higher is better).
   *  Users may override this to prioritize mechanisms differently.
   *
   *  In the default configuration the priorities are
   *
   *  SCRAM-SHA1 - 40
   *  DIGEST-MD5 - 30
   *  Plain - 20
   *
   *  Example: (This will cause Strophe to choose the mechanism that the server sent first)
   *
   *  > Strophe.SASLMD5.priority = Strophe.SASLSHA1.priority;
   *
   *  See <SASL mechanisms> for a list of available mechanisms.
   *
   */
  this.priority = priority;
};

Strophe.SASLMechanism.prototype = {
  /**
   *  Function: test
   *  Checks if mechanism able to run.
   *  To disable a mechanism, make this return false;
   *
   *  To disable plain authentication run
   *  > Strophe.SASLPlain.test = function() {
   *  >   return false;
   *  > }
   *
   *  See <SASL mechanisms> for a list of available mechanisms.
   *
   *  Parameters:
   *    (Strophe.Connection) connection - Target Connection.
   *
   *  Returns:
   *    (Boolean) If mechanism was able to run.
   */
  /* jshint unused:false */
  test: function(connection) {
    return true;
  },
  /* jshint unused:true */

  /** PrivateFunction: onStart
   *  Called before starting mechanism on some connection.
   *
   *  Parameters:
   *    (Strophe.Connection) connection - Target Connection.
   */
  onStart: function(connection)
  {
    this._connection = connection;
  },

  /** PrivateFunction: onChallenge
   *  Called by protocol implementation on incoming challenge. If client is
   *  first (isClientFirst == true) challenge will be null on the first call.
   *
   *  Parameters:
   *    (Strophe.Connection) connection - Target Connection.
   *    (String) challenge - current challenge to handle.
   *
   *  Returns:
   *    (String) Mechanism response.
   */
  /* jshint unused:false */
  onChallenge: function(connection, challenge) {
    throw new Error("You should implement challenge handling!");
  },
  /* jshint unused:true */

  /** PrivateFunction: onFailure
   *  Protocol informs mechanism implementation about SASL failure.
   */
  onFailure: function() {
    this._connection = null;
  },

  /** PrivateFunction: onSuccess
   *  Protocol informs mechanism implementation about SASL success.
   */
  onSuccess: function() {
    this._connection = null;
  }
};

  /** Constants: SASL mechanisms
   *  Available authentication mechanisms
   *
   *  Strophe.SASLAnonymous - SASL Anonymous authentication.
   *  Strophe.SASLPlain - SASL Plain authentication.
   *  Strophe.SASLMD5 - SASL Digest-MD5 authentication
   *  Strophe.SASLSHA1 - SASL SCRAM-SHA1 authentication
   */

// Building SASL callbacks

/** PrivateConstructor: SASLAnonymous
 *  SASL Anonymous authentication.
 */
Strophe.SASLAnonymous = function() {};

Strophe.SASLAnonymous.prototype = new Strophe.SASLMechanism("ANONYMOUS", false, 10);

Strophe.SASLAnonymous.test = function(connection) {
  return connection.authcid === null;
};

Strophe.Connection.prototype.mechanisms[Strophe.SASLAnonymous.prototype.name] = Strophe.SASLAnonymous;

/** PrivateConstructor: SASLPlain
 *  SASL Plain authentication.
 */
Strophe.SASLPlain = function() {};

Strophe.SASLPlain.prototype = new Strophe.SASLMechanism("PLAIN", true, 20);

Strophe.SASLPlain.test = function(connection) {
  return connection.authcid !== null;
};

Strophe.SASLPlain.prototype.onChallenge = function(connection) {
  var auth_str = connection.authzid;
  auth_str = auth_str + "\u0000";
  auth_str = auth_str + connection.authcid;
  auth_str = auth_str + "\u0000";
  auth_str = auth_str + connection.pass;
  return auth_str;
};

Strophe.Connection.prototype.mechanisms[Strophe.SASLPlain.prototype.name] = Strophe.SASLPlain;

/** PrivateConstructor: SASLSHA1
 *  SASL SCRAM SHA 1 authentication.
 */
Strophe.SASLSHA1 = function() {};

/* TEST:
 * This is a simple example of a SCRAM-SHA-1 authentication exchange
 * when the client doesn't support channel bindings (username 'user' and
 * password 'pencil' are used):
 *
 * C: n,,n=user,r=fyko+d2lbbFgONRv9qkxdawL
 * S: r=fyko+d2lbbFgONRv9qkxdawL3rfcNHYJY1ZVvWVs7j,s=QSXCR+Q6sek8bf92,
 * i=4096
 * C: c=biws,r=fyko+d2lbbFgONRv9qkxdawL3rfcNHYJY1ZVvWVs7j,
 * p=v0X8v3Bz2T0CJGbJQyF0X+HI4Ts=
 * S: v=rmF9pqV8S7suAoZWja4dJRkFsKQ=
 *
 */

Strophe.SASLSHA1.prototype = new Strophe.SASLMechanism("SCRAM-SHA-1", true, 40);

Strophe.SASLSHA1.test = function(connection) {
  return connection.authcid !== null;
};

Strophe.SASLSHA1.prototype.onChallenge = function(connection, challenge, test_cnonce) {
  var cnonce = test_cnonce || MD5.hexdigest(Math.random() * 1234567890);

  var auth_str = "n=" + connection.authcid;
  auth_str += ",r=";
  auth_str += cnonce;

  connection._sasl_data.cnonce = cnonce;
  connection._sasl_data["client-first-message-bare"] = auth_str;

  auth_str = "n,," + auth_str;

  this.onChallenge = function (connection, challenge)
  {
    var nonce, salt, iter, Hi, U, U_old, i, k;
    var clientKey, serverKey, clientSignature;
    var responseText = "c=biws,";
    var authMessage = connection._sasl_data["client-first-message-bare"] + "," +
      challenge + ",";
    var cnonce = connection._sasl_data.cnonce;
    var attribMatch = /([a-z]+)=([^,]+)(,|$)/;

    while (challenge.match(attribMatch)) {
      var matches = challenge.match(attribMatch);
      challenge = challenge.replace(matches[0], "");
      switch (matches[1]) {
      case "r":
        nonce = matches[2];
        break;
      case "s":
        salt = matches[2];
        break;
      case "i":
        iter = matches[2];
        break;
      }
    }

    if (nonce.substr(0, cnonce.length) !== cnonce) {
      connection._sasl_data = {};
      return connection._sasl_failure_cb();
    }

    responseText += "r=" + nonce;
    authMessage += responseText;

    salt = Base64.decode(salt);
    salt += "\x00\x00\x00\x01";

    Hi = U_old = SHA1.core_hmac_sha1(connection.pass, salt);
    for (i = 1; i < iter; i++) {
      U = SHA1.core_hmac_sha1(connection.pass, SHA1.binb2str(U_old));
      for (k = 0; k < 5; k++) {
        Hi[k] ^= U[k];
      }
      U_old = U;
    }
    Hi = SHA1.binb2str(Hi);

    clientKey = SHA1.core_hmac_sha1(Hi, "Client Key");
    serverKey = SHA1.str_hmac_sha1(Hi, "Server Key");
    clientSignature = SHA1.core_hmac_sha1(SHA1.str_sha1(SHA1.binb2str(clientKey)), authMessage);
    connection._sasl_data["server-signature"] = SHA1.b64_hmac_sha1(serverKey, authMessage);

    for (k = 0; k < 5; k++) {
      clientKey[k] ^= clientSignature[k];
    }

    responseText += ",p=" + Base64.encode(SHA1.binb2str(clientKey));

    return responseText;
  }.bind(this);

  return auth_str;
};

Strophe.Connection.prototype.mechanisms[Strophe.SASLSHA1.prototype.name] = Strophe.SASLSHA1;

/** PrivateConstructor: SASLMD5
 *  SASL DIGEST MD5 authentication.
 */
Strophe.SASLMD5 = function() {};

Strophe.SASLMD5.prototype = new Strophe.SASLMechanism("DIGEST-MD5", false, 30);

Strophe.SASLMD5.test = function(connection) {
  return connection.authcid !== null;
};

/** PrivateFunction: _quote
 *  _Private_ utility function to backslash escape and quote strings.
 *
 *  Parameters:
 *    (String) str - The string to be quoted.
 *
 *  Returns:
 *    quoted string
 */
Strophe.SASLMD5.prototype._quote = function (str)
  {
    return '"' + str.replace(/\\/g, "\\\\").replace(/"/g, '\\"') + '"';
    //" end string workaround for emacs
  };


Strophe.SASLMD5.prototype.onChallenge = function(connection, challenge, test_cnonce) {
  var attribMatch = /([a-z]+)=("[^"]+"|[^,"]+)(?:,|$)/;
  var cnonce = test_cnonce || MD5.hexdigest("" + (Math.random() * 1234567890));
  var realm = "";
  var host = null;
  var nonce = "";
  var qop = "";
  var matches;

  while (challenge.match(attribMatch)) {
    matches = challenge.match(attribMatch);
    challenge = challenge.replace(matches[0], "");
    matches[2] = matches[2].replace(/^"(.+)"$/, "$1");
    switch (matches[1]) {
    case "realm":
      realm = matches[2];
      break;
    case "nonce":
      nonce = matches[2];
      break;
    case "qop":
      qop = matches[2];
      break;
    case "host":
      host = matches[2];
      break;
    }
  }

  var digest_uri = connection.servtype + "/" + connection.domain;
  if (host !== null) {
    digest_uri = digest_uri + "/" + host;
  }

  var A1 = MD5.hash(connection.authcid +
                    ":" + realm + ":" + this._connection.pass) +
    ":" + nonce + ":" + cnonce;
  var A2 = 'AUTHENTICATE:' + digest_uri;

  var responseText = "";
  responseText += 'charset=utf-8,';
  responseText += 'username=' +
    this._quote(connection.authcid) + ',';
  responseText += 'realm=' + this._quote(realm) + ',';
  responseText += 'nonce=' + this._quote(nonce) + ',';
  responseText += 'nc=00000001,';
  responseText += 'cnonce=' + this._quote(cnonce) + ',';
  responseText += 'digest-uri=' + this._quote(digest_uri) + ',';
  responseText += 'response=' + MD5.hexdigest(MD5.hexdigest(A1) + ":" +
                                              nonce + ":00000001:" +
                                              cnonce + ":auth:" +
                                              MD5.hexdigest(A2)) + ",";
  responseText += 'qop=auth';

  this.onChallenge = function ()
  {
      return "";
  }.bind(this);

  return responseText;
};

Strophe.Connection.prototype.mechanisms[Strophe.SASLMD5.prototype.name] = Strophe.SASLMD5;

return {
    Strophe:        Strophe,
    $build:         $build,
    $msg:           $msg,
    $iq:            $iq,
    $pres:          $pres,
    SHA1:           SHA1,
    Base64:         Base64,
    MD5:            MD5,
};
}));

/*
    This program is distributed under the terms of the MIT license.
    Please see the LICENSE file for details.

    Copyright 2006-2008, OGG, LLC
*/

/* jshint undef: true, unused: true:, noarg: true, latedef: true */
/* global define, window, setTimeout, clearTimeout, XMLHttpRequest, ActiveXObject, Strophe, $build */

(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        define('strophe-bosh', ['strophe-core'], function (core) {
            return factory(
                core.Strophe,
                core.$build
            );
        });
    } else {
        // Browser globals
        return factory(Strophe, $build);
    }
}(this, function (Strophe, $build) {

/** PrivateClass: Strophe.Request
 *  _Private_ helper class that provides a cross implementation abstraction
 *  for a BOSH related XMLHttpRequest.
 *
 *  The Strophe.Request class is used internally to encapsulate BOSH request
 *  information.  It is not meant to be used from user's code.
 */

/** PrivateConstructor: Strophe.Request
 *  Create and initialize a new Strophe.Request object.
 *
 *  Parameters:
 *    (XMLElement) elem - The XML data to be sent in the request.
 *    (Function) func - The function that will be called when the
 *      XMLHttpRequest readyState changes.
 *    (Integer) rid - The BOSH rid attribute associated with this request.
 *    (Integer) sends - The number of times this same request has been
 *      sent.
 */
Strophe.Request = function (elem, func, rid, sends)
{
    this.id = ++Strophe._requestId;
    this.xmlData = elem;
    this.data = Strophe.serialize(elem);
    // save original function in case we need to make a new request
    // from this one.
    this.origFunc = func;
    this.func = func;
    this.rid = rid;
    this.date = NaN;
    this.sends = sends || 0;
    this.abort = false;
    this.dead = null;

    this.age = function () {
        if (!this.date) { return 0; }
        var now = new Date();
        return (now - this.date) / 1000;
    };
    this.timeDead = function () {
        if (!this.dead) { return 0; }
        var now = new Date();
        return (now - this.dead) / 1000;
    };
    this.xhr = this._newXHR();
};

Strophe.Request.prototype = {
    /** PrivateFunction: getResponse
     *  Get a response from the underlying XMLHttpRequest.
     *
     *  This function attempts to get a response from the request and checks
     *  for errors.
     *
     *  Throws:
     *    "parsererror" - A parser error occured.
     *
     *  Returns:
     *    The DOM element tree of the response.
     */
    getResponse: function ()
    {
        var node = null;
        if (this.xhr.responseXML && this.xhr.responseXML.documentElement) {
            node = this.xhr.responseXML.documentElement;
            if (node.tagName == "parsererror") {
                Strophe.error("invalid response received");
                Strophe.error("responseText: " + this.xhr.responseText);
                Strophe.error("responseXML: " +
                              Strophe.serialize(this.xhr.responseXML));
                throw "parsererror";
            }
        } else if (this.xhr.responseText) {
            Strophe.error("invalid response received");
            Strophe.error("responseText: " + this.xhr.responseText);
            Strophe.error("responseXML: " +
                          Strophe.serialize(this.xhr.responseXML));
        }

        return node;
    },

    /** PrivateFunction: _newXHR
     *  _Private_ helper function to create XMLHttpRequests.
     *
     *  This function creates XMLHttpRequests across all implementations.
     *
     *  Returns:
     *    A new XMLHttpRequest.
     */
    _newXHR: function ()
    {
        var xhr = null;
        if (window.XMLHttpRequest) {
            xhr = new XMLHttpRequest();
            if (xhr.overrideMimeType) {
                xhr.overrideMimeType("text/xml; charset=utf-8");
            }
        } else if (window.ActiveXObject) {
            xhr = new ActiveXObject("Microsoft.XMLHTTP");
        }

        // use Function.bind() to prepend ourselves as an argument
        xhr.onreadystatechange = this.func.bind(null, this);

        return xhr;
    }
};

/** Class: Strophe.Bosh
 *  _Private_ helper class that handles BOSH Connections
 *
 *  The Strophe.Bosh class is used internally by Strophe.Connection
 *  to encapsulate BOSH sessions. It is not meant to be used from user's code.
 */

/** File: bosh.js
 *  A JavaScript library to enable BOSH in Strophejs.
 *
 *  this library uses Bidirectional-streams Over Synchronous HTTP (BOSH)
 *  to emulate a persistent, stateful, two-way connection to an XMPP server.
 *  More information on BOSH can be found in XEP 124.
 */

/** PrivateConstructor: Strophe.Bosh
 *  Create and initialize a Strophe.Bosh object.
 *
 *  Parameters:
 *    (Strophe.Connection) connection - The Strophe.Connection that will use BOSH.
 *
 *  Returns:
 *    A new Strophe.Bosh object.
 */
Strophe.Bosh = function(connection) {
    this._conn = connection;
    /* request id for body tags */
    this.rid = Math.floor(Math.random() * 4294967295);
    /* The current session ID. */
    this.sid = null;

    // default BOSH values
    this.hold = 1;
    this.wait = 60;
    this.window = 5;
    this.errors = 0;

    this._requests = [];
};

Strophe.Bosh.prototype = {
    /** Variable: strip
     *
     *  BOSH-Connections will have all stanzas wrapped in a <body> tag when
     *  passed to <Strophe.Connection.xmlInput> or <Strophe.Connection.xmlOutput>.
     *  To strip this tag, User code can set <Strophe.Bosh.strip> to "body":
     *
     *  > Strophe.Bosh.prototype.strip = "body";
     *
     *  This will enable stripping of the body tag in both
     *  <Strophe.Connection.xmlInput> and <Strophe.Connection.xmlOutput>.
     */
    strip: null,

    /** PrivateFunction: _buildBody
     *  _Private_ helper function to generate the <body/> wrapper for BOSH.
     *
     *  Returns:
     *    A Strophe.Builder with a <body/> element.
     */
    _buildBody: function ()
    {
        var bodyWrap = $build('body', {
            rid: this.rid++,
            xmlns: Strophe.NS.HTTPBIND
        });
        if (this.sid !== null) {
            bodyWrap.attrs({sid: this.sid});
        }
        if (this._conn.options.keepalive) {
            this._cacheSession();
        }
        return bodyWrap;
    },

    /** PrivateFunction: _reset
     *  Reset the connection.
     *
     *  This function is called by the reset function of the Strophe Connection
     */
    _reset: function ()
    {
        this.rid = Math.floor(Math.random() * 4294967295);
        this.sid = null;
        this.errors = 0;
        window.sessionStorage.removeItem('strophe-bosh-session');

        this._conn.nextValidRid(this.rid);
    },

    /** PrivateFunction: _connect
     *  _Private_ function that initializes the BOSH connection.
     *
     *  Creates and sends the Request that initializes the BOSH connection.
     */
    _connect: function (wait, hold, route)
    {
        this.wait = wait || this.wait;
        this.hold = hold || this.hold;
        this.errors = 0;

        // build the body tag
        var body = this._buildBody().attrs({
            to: this._conn.domain,
            "xml:lang": "en",
            wait: this.wait,
            hold: this.hold,
            content: "text/xml; charset=utf-8",
            ver: "1.6",
            "xmpp:version": "1.0",
            "xmlns:xmpp": Strophe.NS.BOSH
        });

        if(route){
            body.attrs({
                route: route
            });
        }

        var _connect_cb = this._conn._connect_cb;

        this._requests.push(
            new Strophe.Request(body.tree(),
                                this._onRequestStateChange.bind(
                                    this, _connect_cb.bind(this._conn)),
                                body.tree().getAttribute("rid")));
        this._throttledRequestHandler();
    },

    /** PrivateFunction: _attach
     *  Attach to an already created and authenticated BOSH session.
     *
     *  This function is provided to allow Strophe to attach to BOSH
     *  sessions which have been created externally, perhaps by a Web
     *  application.  This is often used to support auto-login type features
     *  without putting user credentials into the page.
     *
     *  Parameters:
     *    (String) jid - The full JID that is bound by the session.
     *    (String) sid - The SID of the BOSH session.
     *    (String) rid - The current RID of the BOSH session.  This RID
     *      will be used by the next request.
     *    (Function) callback The connect callback function.
     *    (Integer) wait - The optional HTTPBIND wait value.  This is the
     *      time the server will wait before returning an empty result for
     *      a request.  The default setting of 60 seconds is recommended.
     *      Other settings will require tweaks to the Strophe.TIMEOUT value.
     *    (Integer) hold - The optional HTTPBIND hold value.  This is the
     *      number of connections the server will hold at one time.  This
     *      should almost always be set to 1 (the default).
     *    (Integer) wind - The optional HTTBIND window value.  This is the
     *      allowed range of request ids that are valid.  The default is 5.
     */
    _attach: function (jid, sid, rid, callback, wait, hold, wind)
    {
        this._conn.jid = jid;
        this.sid = sid;
        this.rid = rid;

        this._conn.connect_callback = callback;

        this._conn.domain = Strophe.getDomainFromJid(this._conn.jid);

        this._conn.authenticated = true;
        this._conn.connected = true;

        this.wait = wait || this.wait;
        this.hold = hold || this.hold;
        this.window = wind || this.window;

        this._conn._changeConnectStatus(Strophe.Status.ATTACHED, null);
    },

    /** PrivateFunction: _restore
     *  Attempt to restore a cached BOSH session
     *
     *  Parameters:
     *    (String) jid - The full JID that is bound by the session.
     *      This parameter is optional but recommended, specifically in cases
     *      where prebinded BOSH sessions are used where it's important to know
     *      that the right session is being restored.
     *    (Function) callback The connect callback function.
     *    (Integer) wait - The optional HTTPBIND wait value.  This is the
     *      time the server will wait before returning an empty result for
     *      a request.  The default setting of 60 seconds is recommended.
     *      Other settings will require tweaks to the Strophe.TIMEOUT value.
     *    (Integer) hold - The optional HTTPBIND hold value.  This is the
     *      number of connections the server will hold at one time.  This
     *      should almost always be set to 1 (the default).
     *    (Integer) wind - The optional HTTBIND window value.  This is the
     *      allowed range of request ids that are valid.  The default is 5.
     */
    _restore: function (jid, callback, wait, hold, wind)
    {
        var session = JSON.parse(window.sessionStorage.getItem('strophe-bosh-session'));
        if (typeof session !== "undefined" &&
                   session !== null &&
                   session.rid &&
                   session.sid &&
                   session.jid &&
                   (typeof jid === "undefined" || jid === "null" || Strophe.getBareJidFromJid(session.jid) == Strophe.getBareJidFromJid(jid)))
        {
            this._conn.restored = true;
            this._attach(session.jid, session.sid, session.rid, callback, wait, hold, wind);
        } else {
            throw { name: "StropheSessionError", message: "_restore: no restoreable session." };
        }
    },

    /** PrivateFunction: _cacheSession
     *  _Private_ handler for the beforeunload event.
     *
     *  This handler is used to process the Bosh-part of the initial request.
     *  Parameters:
     *    (Strophe.Request) bodyWrap - The received stanza.
     */
    _cacheSession: function ()
    {
        if (this._conn.authenticated) {
            if (this._conn.jid && this.rid && this.sid) {
                window.sessionStorage.setItem('strophe-bosh-session', JSON.stringify({
                    'jid': this._conn.jid,
                    'rid': this.rid,
                    'sid': this.sid
                }));
            }
        } else {
            window.sessionStorage.removeItem('strophe-bosh-session');
        }
    },

    /** PrivateFunction: _connect_cb
     *  _Private_ handler for initial connection request.
     *
     *  This handler is used to process the Bosh-part of the initial request.
     *  Parameters:
     *    (Strophe.Request) bodyWrap - The received stanza.
     */
    _connect_cb: function (bodyWrap)
    {
        var typ = bodyWrap.getAttribute("type");
        var cond, conflict;
        if (typ !== null && typ == "terminate") {
            // an error occurred
            cond = bodyWrap.getAttribute("condition");
            Strophe.error("BOSH-Connection failed: " + cond);
            conflict = bodyWrap.getElementsByTagName("conflict");
            if (cond !== null) {
                if (cond == "remote-stream-error" && conflict.length > 0) {
                    cond = "conflict";
                }
                this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, cond);
            } else {
                this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "unknown");
            }
            this._conn._doDisconnect(cond);
            return Strophe.Status.CONNFAIL;
        }

        // check to make sure we don't overwrite these if _connect_cb is
        // called multiple times in the case of missing stream:features
        if (!this.sid) {
            this.sid = bodyWrap.getAttribute("sid");
        }
        var wind = bodyWrap.getAttribute('requests');
        if (wind) { this.window = parseInt(wind, 10); }
        var hold = bodyWrap.getAttribute('hold');
        if (hold) { this.hold = parseInt(hold, 10); }
        var wait = bodyWrap.getAttribute('wait');
        if (wait) { this.wait = parseInt(wait, 10); }
    },

    /** PrivateFunction: _disconnect
     *  _Private_ part of Connection.disconnect for Bosh
     *
     *  Parameters:
     *    (Request) pres - This stanza will be sent before disconnecting.
     */
    _disconnect: function (pres)
    {
        this._sendTerminate(pres);
    },

    /** PrivateFunction: _doDisconnect
     *  _Private_ function to disconnect.
     *
     *  Resets the SID and RID.
     */
    _doDisconnect: function ()
    {
        this.sid = null;
        this.rid = Math.floor(Math.random() * 4294967295);
        window.sessionStorage.removeItem('strophe-bosh-session');

        this._conn.nextValidRid(this.rid);
    },

    /** PrivateFunction: _emptyQueue
     * _Private_ function to check if the Request queue is empty.
     *
     *  Returns:
     *    True, if there are no Requests queued, False otherwise.
     */
    _emptyQueue: function ()
    {
        return this._requests.length === 0;
    },

    /** PrivateFunction: _hitError
     *  _Private_ function to handle the error count.
     *
     *  Requests are resent automatically until their error count reaches
     *  5.  Each time an error is encountered, this function is called to
     *  increment the count and disconnect if the count is too high.
     *
     *  Parameters:
     *    (Integer) reqStatus - The request status.
     */
    _hitError: function (reqStatus)
    {
        this.errors++;
        Strophe.warn("request errored, status: " + reqStatus +
                     ", number of errors: " + this.errors);
        if (this.errors > 4) {
            this._conn._onDisconnectTimeout();
        }
    },

    /** PrivateFunction: _no_auth_received
     *
     * Called on stream start/restart when no stream:features
     * has been received and sends a blank poll request.
     */
    _no_auth_received: function (_callback)
    {
        if (_callback) {
            _callback = _callback.bind(this._conn);
        } else {
            _callback = this._conn._connect_cb.bind(this._conn);
        }
        var body = this._buildBody();
        this._requests.push(
                new Strophe.Request(body.tree(),
                    this._onRequestStateChange.bind(
                        this, _callback.bind(this._conn)),
                    body.tree().getAttribute("rid")));
        this._throttledRequestHandler();
    },

    /** PrivateFunction: _onDisconnectTimeout
     *  _Private_ timeout handler for handling non-graceful disconnection.
     *
     *  Cancels all remaining Requests and clears the queue.
     */
    _onDisconnectTimeout: function () {
        this._abortAllRequests();
    },

    /** PrivateFunction: _abortAllRequests
     *  _Private_ helper function that makes sure all pending requests are aborted.
     */
    _abortAllRequests: function _abortAllRequests() {
        var req;
        while (this._requests.length > 0) {
            req = this._requests.pop();
            req.abort = true;
            req.xhr.abort();
            // jslint complains, but this is fine. setting to empty func
            // is necessary for IE6
            req.xhr.onreadystatechange = function () {}; // jshint ignore:line
        }
    },

    /** PrivateFunction: _onIdle
     *  _Private_ handler called by Strophe.Connection._onIdle
     *
     *  Sends all queued Requests or polls with empty Request if there are none.
     */
    _onIdle: function () {
        var data = this._conn._data;

        // if no requests are in progress, poll
        if (this._conn.authenticated && this._requests.length === 0 &&
            data.length === 0 && !this._conn.disconnecting) {
            Strophe.info("no requests during idle cycle, sending " +
                         "blank request");
            data.push(null);
        }

        if (this._conn.paused) {
            return;
        }

        if (this._requests.length < 2 && data.length > 0) {
            var body = this._buildBody();
            for (var i = 0; i < data.length; i++) {
                if (data[i] !== null) {
                    if (data[i] === "restart") {
                        body.attrs({
                            to: this._conn.domain,
                            "xml:lang": "en",
                            "xmpp:restart": "true",
                            "xmlns:xmpp": Strophe.NS.BOSH
                        });
                    } else {
                        body.cnode(data[i]).up();
                    }
                }
            }
            delete this._conn._data;
            this._conn._data = [];
            this._requests.push(
                new Strophe.Request(body.tree(),
                                    this._onRequestStateChange.bind(
                                        this, this._conn._dataRecv.bind(this._conn)),
                                    body.tree().getAttribute("rid")));
            this._throttledRequestHandler();
        }

        if (this._requests.length > 0) {
            var time_elapsed = this._requests[0].age();
            if (this._requests[0].dead !== null) {
                if (this._requests[0].timeDead() >
                    Math.floor(Strophe.SECONDARY_TIMEOUT * this.wait)) {
                    this._throttledRequestHandler();
                }
            }

            if (time_elapsed > Math.floor(Strophe.TIMEOUT * this.wait)) {
                Strophe.warn("Request " +
                             this._requests[0].id +
                             " timed out, over " + Math.floor(Strophe.TIMEOUT * this.wait) +
                             " seconds since last activity");
                this._throttledRequestHandler();
            }
        }
    },

    /** PrivateFunction: _onRequestStateChange
     *  _Private_ handler for Strophe.Request state changes.
     *
     *  This function is called when the XMLHttpRequest readyState changes.
     *  It contains a lot of error handling logic for the many ways that
     *  requests can fail, and calls the request callback when requests
     *  succeed.
     *
     *  Parameters:
     *    (Function) func - The handler for the request.
     *    (Strophe.Request) req - The request that is changing readyState.
     */
    _onRequestStateChange: function (func, req)
    {
        Strophe.debug("request id " + req.id +
                      "." + req.sends + " state changed to " +
                      req.xhr.readyState);

        if (req.abort) {
            req.abort = false;
            return;
        }

        // request complete
        var reqStatus;
        if (req.xhr.readyState == 4) {
            reqStatus = 0;
            try {
                reqStatus = req.xhr.status;
            } catch (e) {
                // ignore errors from undefined status attribute.  works
                // around a browser bug
            }

            if (typeof(reqStatus) == "undefined") {
                reqStatus = 0;
            }

            if (this.disconnecting) {
                if (reqStatus >= 400) {
                    this._hitError(reqStatus);
                    return;
                }
            }

            var reqIs0 = (this._requests[0] == req);
            var reqIs1 = (this._requests[1] == req);

            if ((reqStatus > 0 && reqStatus < 500) || req.sends > 5) {
                // remove from internal queue
                this._removeRequest(req);
                Strophe.debug("request id " +
                              req.id +
                              " should now be removed");
            }

            // request succeeded
            if (reqStatus == 200) {
                // if request 1 finished, or request 0 finished and request
                // 1 is over Strophe.SECONDARY_TIMEOUT seconds old, we need to
                // restart the other - both will be in the first spot, as the
                // completed request has been removed from the queue already
                if (reqIs1 ||
                    (reqIs0 && this._requests.length > 0 &&
                     this._requests[0].age() > Math.floor(Strophe.SECONDARY_TIMEOUT * this.wait))) {
                    this._restartRequest(0);
                }

                this._conn.nextValidRid(Number(req.rid) + 1);

                // call handler
                Strophe.debug("request id " +
                              req.id + "." +
                              req.sends + " got 200");
                func(req);
                this.errors = 0;
            } else {
                Strophe.error("request id " +
                              req.id + "." +
                              req.sends + " error " + reqStatus +
                              " happened");
                if (reqStatus === 0 ||
                    (reqStatus >= 400 && reqStatus < 600) ||
                    reqStatus >= 12000) {
                    this._hitError(reqStatus);
                    if (reqStatus >= 400 && reqStatus < 500) {
                        this._conn._changeConnectStatus(Strophe.Status.DISCONNECTING, null);
                        this._conn._doDisconnect();
                    }
                }
            }

            if (!((reqStatus > 0 && reqStatus < 500) ||
                  req.sends > 5)) {
                this._throttledRequestHandler();
            }
        }
    },

    /** PrivateFunction: _processRequest
     *  _Private_ function to process a request in the queue.
     *
     *  This function takes requests off the queue and sends them and
     *  restarts dead requests.
     *
     *  Parameters:
     *    (Integer) i - The index of the request in the queue.
     */
    _processRequest: function (i)
    {
        var self = this;
        var req = this._requests[i];
        var reqStatus = -1;

        try {
            if (req.xhr.readyState == 4) {
                reqStatus = req.xhr.status;
            }
        } catch (e) {
            Strophe.error("caught an error in _requests[" + i +
                          "], reqStatus: " + reqStatus);
        }

        if (typeof(reqStatus) == "undefined") {
            reqStatus = -1;
        }

        // make sure we limit the number of retries
        if (req.sends > this._conn.maxRetries) {
            this._conn._onDisconnectTimeout();
            return;
        }

        var time_elapsed = req.age();
        var primaryTimeout = (!isNaN(time_elapsed) &&
                              time_elapsed > Math.floor(Strophe.TIMEOUT * this.wait));
        var secondaryTimeout = (req.dead !== null &&
                                req.timeDead() > Math.floor(Strophe.SECONDARY_TIMEOUT * this.wait));
        var requestCompletedWithServerError = (req.xhr.readyState == 4 &&
                                               (reqStatus < 1 ||
                                                reqStatus >= 500));
        if (primaryTimeout || secondaryTimeout ||
            requestCompletedWithServerError) {
            if (secondaryTimeout) {
                Strophe.error("Request " +
                              this._requests[i].id +
                              " timed out (secondary), restarting");
            }
            req.abort = true;
            req.xhr.abort();
            // setting to null fails on IE6, so set to empty function
            req.xhr.onreadystatechange = function () {};
            this._requests[i] = new Strophe.Request(req.xmlData,
                                                    req.origFunc,
                                                    req.rid,
                                                    req.sends);
            req = this._requests[i];
        }

        if (req.xhr.readyState === 0) {
            Strophe.debug("request id " + req.id +
                          "." + req.sends + " posting");

            try {
                req.xhr.open("POST", this._conn.service, this._conn.options.sync ? false : true);
                req.xhr.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
            } catch (e2) {
                Strophe.error("XHR open failed.");
                if (!this._conn.connected) {
                    this._conn._changeConnectStatus(Strophe.Status.CONNFAIL,
                                              "bad-service");
                }
                this._conn.disconnect();
                return;
            }

            // Fires the XHR request -- may be invoked immediately
            // or on a gradually expanding retry window for reconnects
            var sendFunc = function () {
                req.date = new Date();
                if (self._conn.options.customHeaders){
                    var headers = self._conn.options.customHeaders;
                    for (var header in headers) {
                        if (headers.hasOwnProperty(header)) {
                            req.xhr.setRequestHeader(header, headers[header]);
                        }
                    }
                }
                req.xhr.send(req.data);
            };

            // Implement progressive backoff for reconnects --
            // First retry (send == 1) should also be instantaneous
            if (req.sends > 1) {
                // Using a cube of the retry number creates a nicely
                // expanding retry window
                var backoff = Math.min(Math.floor(Strophe.TIMEOUT * this.wait),
                                       Math.pow(req.sends, 3)) * 1000;
                setTimeout(sendFunc, backoff);
            } else {
                sendFunc();
            }

            req.sends++;

            if (this._conn.xmlOutput !== Strophe.Connection.prototype.xmlOutput) {
                if (req.xmlData.nodeName === this.strip && req.xmlData.childNodes.length) {
                    this._conn.xmlOutput(req.xmlData.childNodes[0]);
                } else {
                    this._conn.xmlOutput(req.xmlData);
                }
            }
            if (this._conn.rawOutput !== Strophe.Connection.prototype.rawOutput) {
                this._conn.rawOutput(req.data);
            }
        } else {
            Strophe.debug("_processRequest: " +
                          (i === 0 ? "first" : "second") +
                          " request has readyState of " +
                          req.xhr.readyState);
        }
    },

    /** PrivateFunction: _removeRequest
     *  _Private_ function to remove a request from the queue.
     *
     *  Parameters:
     *    (Strophe.Request) req - The request to remove.
     */
    _removeRequest: function (req)
    {
        Strophe.debug("removing request");

        var i;
        for (i = this._requests.length - 1; i >= 0; i--) {
            if (req == this._requests[i]) {
                this._requests.splice(i, 1);
            }
        }

        // IE6 fails on setting to null, so set to empty function
        req.xhr.onreadystatechange = function () {};

        this._throttledRequestHandler();
    },

    /** PrivateFunction: _restartRequest
     *  _Private_ function to restart a request that is presumed dead.
     *
     *  Parameters:
     *    (Integer) i - The index of the request in the queue.
     */
    _restartRequest: function (i)
    {
        var req = this._requests[i];
        if (req.dead === null) {
            req.dead = new Date();
        }

        this._processRequest(i);
    },

    /** PrivateFunction: _reqToData
     * _Private_ function to get a stanza out of a request.
     *
     * Tries to extract a stanza out of a Request Object.
     * When this fails the current connection will be disconnected.
     *
     *  Parameters:
     *    (Object) req - The Request.
     *
     *  Returns:
     *    The stanza that was passed.
     */
    _reqToData: function (req)
    {
        try {
            return req.getResponse();
        } catch (e) {
            if (e != "parsererror") { throw e; }
            this._conn.disconnect("strophe-parsererror");
        }
    },

    /** PrivateFunction: _sendTerminate
     *  _Private_ function to send initial disconnect sequence.
     *
     *  This is the first step in a graceful disconnect.  It sends
     *  the BOSH server a terminate body and includes an unavailable
     *  presence if authentication has completed.
     */
    _sendTerminate: function (pres)
    {
        Strophe.info("_sendTerminate was called");
        var body = this._buildBody().attrs({type: "terminate"});

        if (pres) {
            body.cnode(pres.tree());
        }

        var req = new Strophe.Request(body.tree(),
                                      this._onRequestStateChange.bind(
                                          this, this._conn._dataRecv.bind(this._conn)),
                                      body.tree().getAttribute("rid"));

        this._requests.push(req);
        this._throttledRequestHandler();
    },

    /** PrivateFunction: _send
     *  _Private_ part of the Connection.send function for BOSH
     *
     * Just triggers the RequestHandler to send the messages that are in the queue
     */
    _send: function () {
        clearTimeout(this._conn._idleTimeout);
        this._throttledRequestHandler();
        this._conn._idleTimeout = setTimeout(this._conn._onIdle.bind(this._conn), 100);
    },

    /** PrivateFunction: _sendRestart
     *
     *  Send an xmpp:restart stanza.
     */
    _sendRestart: function ()
    {
        this._throttledRequestHandler();
        clearTimeout(this._conn._idleTimeout);
    },

    /** PrivateFunction: _throttledRequestHandler
     *  _Private_ function to throttle requests to the connection window.
     *
     *  This function makes sure we don't send requests so fast that the
     *  request ids overflow the connection window in the case that one
     *  request died.
     */
    _throttledRequestHandler: function ()
    {
        if (!this._requests) {
            Strophe.debug("_throttledRequestHandler called with " +
                          "undefined requests");
        } else {
            Strophe.debug("_throttledRequestHandler called with " +
                          this._requests.length + " requests");
        }

        if (!this._requests || this._requests.length === 0) {
            return;
        }

        if (this._requests.length > 0) {
            this._processRequest(0);
        }

        if (this._requests.length > 1 &&
            Math.abs(this._requests[0].rid -
                     this._requests[1].rid) < this.window) {
            this._processRequest(1);
        }
    }
};
return Strophe;
}));

/*
    This program is distributed under the terms of the MIT license.
    Please see the LICENSE file for details.

    Copyright 2006-2008, OGG, LLC
*/

/* jshint undef: true, unused: true:, noarg: true, latedef: true */
/* global define, window, clearTimeout, WebSocket, DOMParser, Strophe, $build */

(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        define('strophe-websocket', ['strophe-core'], function (core) {
            return factory(
                core.Strophe,
                core.$build
            );
        });
    } else {
        // Browser globals
        return factory(Strophe, $build);
    }
}(this, function (Strophe, $build) {

/** Class: Strophe.WebSocket
 *  _Private_ helper class that handles WebSocket Connections
 *
 *  The Strophe.WebSocket class is used internally by Strophe.Connection
 *  to encapsulate WebSocket sessions. It is not meant to be used from user's code.
 */

/** File: websocket.js
 *  A JavaScript library to enable XMPP over Websocket in Strophejs.
 *
 *  This file implements XMPP over WebSockets for Strophejs.
 *  If a Connection is established with a Websocket url (ws://...)
 *  Strophe will use WebSockets.
 *  For more information on XMPP-over-WebSocket see RFC 7395:
 *  http://tools.ietf.org/html/rfc7395
 *
 *  WebSocket support implemented by Andreas Guth (andreas.guth@rwth-aachen.de)
 */

/** PrivateConstructor: Strophe.Websocket
 *  Create and initialize a Strophe.WebSocket object.
 *  Currently only sets the connection Object.
 *
 *  Parameters:
 *    (Strophe.Connection) connection - The Strophe.Connection that will use WebSockets.
 *
 *  Returns:
 *    A new Strophe.WebSocket object.
 */
Strophe.Websocket = function(connection) {
    this._conn = connection;
    this.strip = "wrapper";

    var service = connection.service;
    if (service.indexOf("ws:") !== 0 && service.indexOf("wss:") !== 0) {
        // If the service is not an absolute URL, assume it is a path and put the absolute
        // URL together from options, current URL and the path.
        var new_service = "";

        if (connection.options.protocol === "ws" && window.location.protocol !== "https:") {
            new_service += "ws";
        } else {
            new_service += "wss";
        }

        new_service += "://" + window.location.host;

        if (service.indexOf("/") !== 0) {
            new_service += window.location.pathname + service;
        } else {
            new_service += service;
        }

        connection.service = new_service;
    }
};

Strophe.Websocket.prototype = {
    /** PrivateFunction: _buildStream
     *  _Private_ helper function to generate the <stream> start tag for WebSockets
     *
     *  Returns:
     *    A Strophe.Builder with a <stream> element.
     */
    _buildStream: function ()
    {
        return $build("open", {
            "xmlns": Strophe.NS.FRAMING,
            "to": this._conn.domain,
            "version": '1.0'
        });
    },

    /** PrivateFunction: _check_streamerror
     * _Private_ checks a message for stream:error
     *
     *  Parameters:
     *    (Strophe.Request) bodyWrap - The received stanza.
     *    connectstatus - The ConnectStatus that will be set on error.
     *  Returns:
     *     true if there was a streamerror, false otherwise.
     */
    _check_streamerror: function (bodyWrap, connectstatus) {
        var errors;
        if (bodyWrap.getElementsByTagNameNS) {
            errors = bodyWrap.getElementsByTagNameNS(Strophe.NS.STREAM, "error");
        } else {
            errors = bodyWrap.getElementsByTagName("stream:error");
        }
        if (errors.length === 0) {
            return false;
        }
        var error = errors[0];

        var condition = "";
        var text = "";

        var ns = "urn:ietf:params:xml:ns:xmpp-streams";
        for (var i = 0; i < error.childNodes.length; i++) {
            var e = error.childNodes[i];
            if (e.getAttribute("xmlns") !== ns) {
                break;
            } if (e.nodeName === "text") {
                text = e.textContent;
            } else {
                condition = e.nodeName;
            }
        }

        var errorString = "WebSocket stream error: ";

        if (condition) {
            errorString += condition;
        } else {
            errorString += "unknown";
        }

        if (text) {
            errorString += " - " + condition;
        }

        Strophe.error(errorString);

        // close the connection on stream_error
        this._conn._changeConnectStatus(connectstatus, condition);
        this._conn._doDisconnect();
        return true;
    },

    /** PrivateFunction: _reset
     *  Reset the connection.
     *
     *  This function is called by the reset function of the Strophe Connection.
     *  Is not needed by WebSockets.
     */
    _reset: function ()
    {
        return;
    },

    /** PrivateFunction: _connect
     *  _Private_ function called by Strophe.Connection.connect
     *
     *  Creates a WebSocket for a connection and assigns Callbacks to it.
     *  Does nothing if there already is a WebSocket.
     */
    _connect: function () {
        // Ensure that there is no open WebSocket from a previous Connection.
        this._closeSocket();

        // Create the new WobSocket
        this.socket = new WebSocket(this._conn.service, "xmpp");
        this.socket.onopen = this._onOpen.bind(this);
        this.socket.onerror = this._onError.bind(this);
        this.socket.onclose = this._onClose.bind(this);
        this.socket.onmessage = this._connect_cb_wrapper.bind(this);
    },

    /** PrivateFunction: _connect_cb
     *  _Private_ function called by Strophe.Connection._connect_cb
     *
     * checks for stream:error
     *
     *  Parameters:
     *    (Strophe.Request) bodyWrap - The received stanza.
     */
    _connect_cb: function(bodyWrap) {
        var error = this._check_streamerror(bodyWrap, Strophe.Status.CONNFAIL);
        if (error) {
            return Strophe.Status.CONNFAIL;
        }
    },

    /** PrivateFunction: _handleStreamStart
     * _Private_ function that checks the opening <open /> tag for errors.
     *
     * Disconnects if there is an error and returns false, true otherwise.
     *
     *  Parameters:
     *    (Node) message - Stanza containing the <open /> tag.
     */
    _handleStreamStart: function(message) {
        var error = false;

        // Check for errors in the <open /> tag
        var ns = message.getAttribute("xmlns");
        if (typeof ns !== "string") {
            error = "Missing xmlns in <open />";
        } else if (ns !== Strophe.NS.FRAMING) {
            error = "Wrong xmlns in <open />: " + ns;
        }

        var ver = message.getAttribute("version");
        if (typeof ver !== "string") {
            error = "Missing version in <open />";
        } else if (ver !== "1.0") {
            error = "Wrong version in <open />: " + ver;
        }

        if (error) {
            this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, error);
            this._conn._doDisconnect();
            return false;
        }

        return true;
    },

    /** PrivateFunction: _connect_cb_wrapper
     * _Private_ function that handles the first connection messages.
     *
     * On receiving an opening stream tag this callback replaces itself with the real
     * message handler. On receiving a stream error the connection is terminated.
     */
    _connect_cb_wrapper: function(message) {
        if (message.data.indexOf("<open ") === 0 || message.data.indexOf("<?xml") === 0) {
            // Strip the XML Declaration, if there is one
            var data = message.data.replace(/^(<\?.*?\?>\s*)*/, "");
            if (data === '') return;

            var streamStart = new DOMParser().parseFromString(data, "text/xml").documentElement;
            this._conn.xmlInput(streamStart);
            this._conn.rawInput(message.data);

            //_handleStreamSteart will check for XML errors and disconnect on error
            if (this._handleStreamStart(streamStart)) {
                //_connect_cb will check for stream:error and disconnect on error
                this._connect_cb(streamStart);
            }
        } else if (message.data.indexOf("<close ") === 0) { //'<close xmlns="urn:ietf:params:xml:ns:xmpp-framing />') {
            this._conn.rawInput(message.data);
            this._conn.xmlInput(message);
            var see_uri = message.getAttribute("see-other-uri");
            if (see_uri) {
                this._conn._changeConnectStatus(Strophe.Status.REDIRECT, "Received see-other-uri, resetting connection");
                this._conn.reset();
                this._conn.service = see_uri;
                this._connect();
            } else {
                this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "Received closing stream");
                this._conn._doDisconnect();
            }
        } else {
            var string = this._streamWrap(message.data);
            var elem = new DOMParser().parseFromString(string, "text/xml").documentElement;
            this.socket.onmessage = this._onMessage.bind(this);
            this._conn._connect_cb(elem, null, message.data);
        }
    },

    /** PrivateFunction: _disconnect
     *  _Private_ function called by Strophe.Connection.disconnect
     *
     *  Disconnects and sends a last stanza if one is given
     *
     *  Parameters:
     *    (Request) pres - This stanza will be sent before disconnecting.
     */
    _disconnect: function (pres)
    {
        if (this.socket && this.socket.readyState !== WebSocket.CLOSED) {
            if (pres) {
                this._conn.send(pres);
            }
            var close = $build("close", { "xmlns": Strophe.NS.FRAMING });
            this._conn.xmlOutput(close);
            var closeString = Strophe.serialize(close);
            this._conn.rawOutput(closeString);
            try {
                this.socket.send(closeString);
            } catch (e) {
                Strophe.info("Couldn't send <close /> tag.");
            }
        }
        this._conn._doDisconnect();
    },

    /** PrivateFunction: _doDisconnect
     *  _Private_ function to disconnect.
     *
     *  Just closes the Socket for WebSockets
     */
    _doDisconnect: function ()
    {
        Strophe.info("WebSockets _doDisconnect was called");
        this._closeSocket();
    },

    /** PrivateFunction _streamWrap
     *  _Private_ helper function to wrap a stanza in a <stream> tag.
     *  This is used so Strophe can process stanzas from WebSockets like BOSH
     */
    _streamWrap: function (stanza)
    {
        return "<wrapper>" + stanza + '</wrapper>';
    },


    /** PrivateFunction: _closeSocket
     *  _Private_ function to close the WebSocket.
     *
     *  Closes the socket if it is still open and deletes it
     */
    _closeSocket: function ()
    {
        if (this.socket) { try {
            this.socket.close();
        } catch (e) {} }
        this.socket = null;
    },

    /** PrivateFunction: _emptyQueue
     * _Private_ function to check if the message queue is empty.
     *
     *  Returns:
     *    True, because WebSocket messages are send immediately after queueing.
     */
    _emptyQueue: function ()
    {
        return true;
    },

    /** PrivateFunction: _onClose
     * _Private_ function to handle websockets closing.
     *
     * Nothing to do here for WebSockets
     */
    _onClose: function() {
        if(this._conn.connected && !this._conn.disconnecting) {
            Strophe.error("Websocket closed unexcectedly");
            this._conn._doDisconnect();
        } else {
            Strophe.info("Websocket closed");
        }
    },

    /** PrivateFunction: _no_auth_received
     *
     * Called on stream start/restart when no stream:features
     * has been received.
     */
    _no_auth_received: function (_callback)
    {
        Strophe.error("Server did not send any auth methods");
        this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "Server did not send any auth methods");
        if (_callback) {
            _callback = _callback.bind(this._conn);
            _callback();
        }
        this._conn._doDisconnect();
    },

    /** PrivateFunction: _onDisconnectTimeout
     *  _Private_ timeout handler for handling non-graceful disconnection.
     *
     *  This does nothing for WebSockets
     */
    _onDisconnectTimeout: function () {},

    /** PrivateFunction: _abortAllRequests
     *  _Private_ helper function that makes sure all pending requests are aborted.
     */
    _abortAllRequests: function () {},

    /** PrivateFunction: _onError
     * _Private_ function to handle websockets errors.
     *
     * Parameters:
     * (Object) error - The websocket error.
     */
    _onError: function(error) {
        Strophe.error("Websocket error " + error);
        this._conn._changeConnectStatus(Strophe.Status.CONNFAIL, "The WebSocket connection could not be established was disconnected.");
        this._disconnect();
    },

    /** PrivateFunction: _onIdle
     *  _Private_ function called by Strophe.Connection._onIdle
     *
     *  sends all queued stanzas
     */
    _onIdle: function () {
        var data = this._conn._data;
        if (data.length > 0 && !this._conn.paused) {
            for (var i = 0; i < data.length; i++) {
                if (data[i] !== null) {
                    var stanza, rawStanza;
                    if (data[i] === "restart") {
                        stanza = this._buildStream().tree();
                    } else {
                        stanza = data[i];
                    }
                    rawStanza = Strophe.serialize(stanza);
                    this._conn.xmlOutput(stanza);
                    this._conn.rawOutput(rawStanza);
                    this.socket.send(rawStanza);
                }
            }
            this._conn._data = [];
        }
    },

    /** PrivateFunction: _onMessage
     * _Private_ function to handle websockets messages.
     *
     * This function parses each of the messages as if they are full documents. [TODO : We may actually want to use a SAX Push parser].
     *
     * Since all XMPP traffic starts with "<stream:stream version='1.0' xml:lang='en' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams' id='3697395463' from='SERVER'>"
     * The first stanza will always fail to be parsed...
     * Addtionnaly, the seconds stanza will always be a <stream:features> with the stream NS defined in the previous stanza... so we need to 'force' the inclusion of the NS in this stanza!
     *
     * Parameters:
     * (string) message - The websocket message.
     */
    _onMessage: function(message) {
        var elem, data;
        // check for closing stream
        var close = '<close xmlns="urn:ietf:params:xml:ns:xmpp-framing" />';
        if (message.data === close) {
            this._conn.rawInput(close);
            this._conn.xmlInput(message);
            if (!this._conn.disconnecting) {
                this._conn._doDisconnect();
            }
            return;
        } else if (message.data.search("<open ") === 0) {
            // This handles stream restarts
            elem = new DOMParser().parseFromString(message.data, "text/xml").documentElement;

            if (!this._handleStreamStart(elem)) {
                return;
            }
        } else {
            data = this._streamWrap(message.data);
            elem = new DOMParser().parseFromString(data, "text/xml").documentElement;
        }

        if (this._check_streamerror(elem, Strophe.Status.ERROR)) {
            return;
        }

        //handle unavailable presence stanza before disconnecting
        if (this._conn.disconnecting &&
                elem.firstChild.nodeName === "presence" &&
                elem.firstChild.getAttribute("type") === "unavailable") {
            this._conn.xmlInput(elem);
            this._conn.rawInput(Strophe.serialize(elem));
            // if we are already disconnecting we will ignore the unavailable stanza and
            // wait for the </stream:stream> tag before we close the connection
            return;
        }
        this._conn._dataRecv(elem, message.data);
    },

    /** PrivateFunction: _onOpen
     * _Private_ function to handle websockets connection setup.
     *
     * The opening stream tag is sent here.
     */
    _onOpen: function() {
        Strophe.info("Websocket open");
        var start = this._buildStream();
        this._conn.xmlOutput(start.tree());

        var startString = Strophe.serialize(start);
        this._conn.rawOutput(startString);
        this.socket.send(startString);
    },

    /** PrivateFunction: _reqToData
     * _Private_ function to get a stanza out of a request.
     *
     * WebSockets don't use requests, so the passed argument is just returned.
     *
     *  Parameters:
     *    (Object) stanza - The stanza.
     *
     *  Returns:
     *    The stanza that was passed.
     */
    _reqToData: function (stanza)
    {
        return stanza;
    },

    /** PrivateFunction: _send
     *  _Private_ part of the Connection.send function for WebSocket
     *
     * Just flushes the messages that are in the queue
     */
    _send: function () {
        this._conn.flush();
    },

    /** PrivateFunction: _sendRestart
     *
     *  Send an xmpp:restart stanza.
     */
    _sendRestart: function ()
    {
        clearTimeout(this._conn._idleTimeout);
        this._conn._onIdle.bind(this._conn)();
    }
};
return Strophe;
}));

/* jshint ignore:start */
if (callback) {
    return callback(Strophe, $build, $msg, $iq, $pres);
}


})(function (Strophe, build, msg, iq, pres) {
    window.Strophe = Strophe;
    window.$build = build;
    window.$msg = msg;
    window.$iq = iq;
    window.$pres = pres;
});
/* jshint ignore:end */


/*!
 * Source: lib/strophe.muc.js, license: MIT, url: https://github.com/strophe/strophejs-plugins
 */
// Generated by CoffeeScript 1.3.3
/*
 *Plugin to implement the MUC extension.
   http://xmpp.org/extensions/xep-0045.html
 *Previous Author:
    Nathan Zorn <nathan.zorn@gmail.com>
 *Complete CoffeeScript rewrite:
    Andreas Guth <guth@dbis.rwth-aachen.de>
*/

var Occupant, RoomConfig, XmppRoom,
  __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

Strophe.addConnectionPlugin('muc', {
  _connection: null,
  rooms: {},
  roomNames: [],
  /*Function 
  Initialize the MUC plugin. Sets the correct connection object and
  extends the namesace.
  */

  init: function(conn) {
    this._connection = conn;
    this._muc_handler = null;
    Strophe.addNamespace('MUC_OWNER', Strophe.NS.MUC + "#owner");
    Strophe.addNamespace('MUC_ADMIN', Strophe.NS.MUC + "#admin");
    Strophe.addNamespace('MUC_USER', Strophe.NS.MUC + "#user");
    return Strophe.addNamespace('MUC_ROOMCONF', Strophe.NS.MUC + "#roomconfig");
  },
  /*Function
  Join a multi-user chat room
  Parameters:
  (String) room - The multi-user chat room to join.
  (String) nick - The nickname to use in the chat room. Optional
  (Function) msg_handler_cb - The function call to handle messages from the
  specified chat room.
  (Function) pres_handler_cb - The function call back to handle presence
  in the chat room.
  (Function) roster_cb - The function call to handle roster info in the chat room
  (String) password - The optional password to use. (password protected
  rooms only)
  (Object) history_attrs - Optional attributes for retrieving history
  (XML DOM Element) extended_presence - Optional XML for extending presence
  */

  join: function(room, nick, msg_handler_cb, pres_handler_cb, roster_cb, password, history_attrs, extended_presence) {
    var msg, room_nick, _ref,
      _this = this;
    room_nick = this.test_append_nick(room, nick);
    msg = $pres({
      from: this._connection.jid,
      to: room_nick
    }).c("x", {
      xmlns: Strophe.NS.MUC
    });
    if (history_attrs != null) {
      msg = msg.c("history", history_attrs).up();
    }
    if (password != null) {
      msg.cnode(Strophe.xmlElement("password", [], password));
    }
    if (extended_presence != null) {
      msg.up().cnode(extended_presence);
    }
    if ((_ref = this._muc_handler) == null) {
      this._muc_handler = this._connection.addHandler(function(stanza) {
        var from, handler, handlers, id, roomname, x, xmlns, xquery, _i, _len;
        from = stanza.getAttribute('from');
        if (!from) {
          return true;
        }
        roomname = from.split("/")[0];
        if (!_this.rooms[roomname]) {
          return true;
        }
        room = _this.rooms[roomname];
        handlers = {};
        if (stanza.nodeName === "message") {
          handlers = room._message_handlers;
        } else if (stanza.nodeName === "presence") {
          xquery = stanza.getElementsByTagName("x");
          if (xquery.length > 0) {
            for (_i = 0, _len = xquery.length; _i < _len; _i++) {
              x = xquery[_i];
              xmlns = x.getAttribute("xmlns");
              if (xmlns && xmlns.match(Strophe.NS.MUC)) {
                handlers = room._presence_handlers;
                break;
              }
            }
          }
        }
        for (id in handlers) {
          handler = handlers[id];
          if (!handler(stanza, room)) {
            delete handlers[id];
          }
        }
        return true;
      });
    }
    if (!this.rooms.hasOwnProperty(room)) {
      this.rooms[room] = new XmppRoom(this, room, nick, password);
      this.roomNames.push(room);
    }
    if (pres_handler_cb) {
      this.rooms[room].addHandler('presence', pres_handler_cb);
    }
    if (msg_handler_cb) {
      this.rooms[room].addHandler('message', msg_handler_cb);
    }
    if (roster_cb) {
      this.rooms[room].addHandler('roster', roster_cb);
    }
    return this._connection.send(msg);
  },
  /*Function
  Leave a multi-user chat room
  Parameters:
  (String) room - The multi-user chat room to leave.
  (String) nick - The nick name used in the room.
  (Function) handler_cb - Optional function to handle the successful leave.
  (String) exit_msg - optional exit message.
  Returns:
  iqid - The unique id for the room leave.
  */

  leave: function(room, nick, handler_cb, exit_msg) {
    var id, presence, presenceid, room_nick;
    id = this.roomNames.indexOf(room);
    delete this.rooms[room];
    if (id >= 0) {
      this.roomNames.splice(id, 1);
      if (this.roomNames.length === 0) {
        this._connection.deleteHandler(this._muc_handler);
        this._muc_handler = null;
      }
    }
    room_nick = this.test_append_nick(room, nick);
    presenceid = this._connection.getUniqueId();
    presence = $pres({
      type: "unavailable",
      id: presenceid,
      from: this._connection.jid,
      to: room_nick
    });
    if (exit_msg != null) {
      presence.c("status", exit_msg);
    }
    if (handler_cb != null) {
      this._connection.addHandler(handler_cb, null, "presence", null, presenceid);
    }
    this._connection.send(presence);
    return presenceid;
  },
  /*Function
  Parameters:
  (String) room - The multi-user chat room name.
  (String) nick - The nick name used in the chat room.
  (String) message - The plaintext message to send to the room.
  (String) html_message - The message to send to the room with html markup.
  (String) type - "groupchat" for group chat messages o
                  "chat" for private chat messages
  Returns:
  msgiq - the unique id used to send the message
  */

  message: function(room, nick, message, html_message, type) {
    var msg, msgid, parent, room_nick;
    room_nick = this.test_append_nick(room, nick);
    type = type || (nick != null ? "chat" : "groupchat");
    msgid = this._connection.getUniqueId();
    msg = $msg({
      to: room_nick,
      from: this._connection.jid,
      type: type,
      id: msgid
    }).c("body", {
      xmlns: Strophe.NS.CLIENT
    }).t(message);
    msg.up();
    if (html_message != null) {
      msg.c("html", {
        xmlns: Strophe.NS.XHTML_IM
      }).c("body", {
        xmlns: Strophe.NS.XHTML
      }).t(html_message);
      if (msg.node.childNodes.length === 0) {
        parent = msg.node.parentNode;
        msg.up().up();
        msg.node.removeChild(parent);
      } else {
        msg.up().up();
      }
    }
    msg.c("x", {
      xmlns: "jabber:x:event"
    }).c("composing");
    this._connection.send(msg);
    return msgid;
  },
  /*Function
  Convenience Function to send a Message to all Occupants
  Parameters:
  (String) room - The multi-user chat room name.
  (String) message - The plaintext message to send to the room.
  (String) html_message - The message to send to the room with html markup.
  Returns:
  msgiq - the unique id used to send the message
  */

  groupchat: function(room, message, html_message) {
    return this.message(room, null, message, html_message);
  },
  /*Function
  Send a mediated invitation.
  Parameters:
  (String) room - The multi-user chat room name.
  (String) receiver - The invitation's receiver.
  (String) reason - Optional reason for joining the room.
  Returns:
  msgiq - the unique id used to send the invitation
  */

  invite: function(room, receiver, reason) {
    var invitation, msgid;
    msgid = this._connection.getUniqueId();
    invitation = $msg({
      from: this._connection.jid,
      to: room,
      id: msgid
    }).c('x', {
      xmlns: Strophe.NS.MUC_USER
    }).c('invite', {
      to: receiver
    });
    if (reason != null) {
      invitation.c('reason', reason);
    }
    this._connection.send(invitation);
    return msgid;
  },
  /*Function
  Send a direct invitation.
  Parameters:
  (String) room - The multi-user chat room name.
  (String) receiver - The invitation's receiver.
  (String) reason - Optional reason for joining the room.
  (String) password - Optional password for the room.
  Returns:
  msgiq - the unique id used to send the invitation
  */

  directInvite: function(room, receiver, reason, password) {
    var attrs, invitation, msgid;
    msgid = this._connection.getUniqueId();
    attrs = {
      xmlns: 'jabber:x:conference',
      jid: room
    };
    if (reason != null) {
      attrs.reason = reason;
    }
    if (password != null) {
      attrs.password = password;
    }
    invitation = $msg({
      from: this._connection.jid,
      to: receiver,
      id: msgid
    }).c('x', attrs);
    this._connection.send(invitation);
    return msgid;
  },
  /*Function
  Queries a room for a list of occupants
  (String) room - The multi-user chat room name.
  (Function) success_cb - Optional function to handle the info.
  (Function) error_cb - Optional function to handle an error.
  Returns:
  id - the unique id used to send the info request
  */

  queryOccupants: function(room, success_cb, error_cb) {
    var attrs, info;
    attrs = {
      xmlns: Strophe.NS.DISCO_ITEMS
    };
    info = $iq({
      from: this._connection.jid,
      to: room,
      type: 'get'
    }).c('query', attrs);
    return this._connection.sendIQ(info, success_cb, error_cb);
  },
  /*Function
  Start a room configuration.
  Parameters:
  (String) room - The multi-user chat room name.
  (Function) handler_cb - Optional function to handle the config form.
  Returns:
  id - the unique id used to send the configuration request
  */

  configure: function(room, handler_cb, error_cb) {
    var config, stanza;
    config = $iq({
      to: room,
      type: "get"
    }).c("query", {
      xmlns: Strophe.NS.MUC_OWNER
    });
    stanza = config.tree();
    return this._connection.sendIQ(stanza, handler_cb, error_cb);
  },
  /*Function
  Cancel the room configuration
  Parameters:
  (String) room - The multi-user chat room name.
  Returns:
  id - the unique id used to cancel the configuration.
  */

  cancelConfigure: function(room) {
    var config, stanza;
    config = $iq({
      to: room,
      type: "set"
    }).c("query", {
      xmlns: Strophe.NS.MUC_OWNER
    }).c("x", {
      xmlns: "jabber:x:data",
      type: "cancel"
    });
    stanza = config.tree();
    return this._connection.sendIQ(stanza);
  },
  /*Function
  Save a room configuration.
  Parameters:
  (String) room - The multi-user chat room name.
  (Array) config- Form Object or an array of form elements used to configure the room.
  Returns:
  id - the unique id used to save the configuration.
  */

  saveConfiguration: function(room, config, success_cb, error_cb) {
    var conf, iq, stanza, _i, _len;
    iq = $iq({
      to: room,
      type: "set"
    }).c("query", {
      xmlns: Strophe.NS.MUC_OWNER
    });
    if (Strophe.x && config instanceof Strophe.x.Form) {
      config.type = "submit";
      iq.cnode(config.toXML());
    } else {
      iq.c("x", {
        xmlns: "jabber:x:data",
        type: "submit"
      });
      for (_i = 0, _len = config.length; _i < _len; _i++) {
        conf = config[_i];
        iq.cnode(conf).up();
      }
    }
    stanza = iq.tree();
    return this._connection.sendIQ(stanza, success_cb, error_cb);
  },
  /*Function
  Parameters:
  (String) room - The multi-user chat room name.
  Returns:
  id - the unique id used to create the chat room.
  */

  createInstantRoom: function(room, success_cb, error_cb) {
    var roomiq;
    roomiq = $iq({
      to: room,
      type: "set"
    }).c("query", {
      xmlns: Strophe.NS.MUC_OWNER
    }).c("x", {
      xmlns: "jabber:x:data",
      type: "submit"
    });
    return this._connection.sendIQ(roomiq.tree(), success_cb, error_cb);
  },
  /*Function
  Set the topic of the chat room.
  Parameters:
  (String) room - The multi-user chat room name.
  (String) topic - Topic message.
  */

  setTopic: function(room, topic) {
    var msg;
    msg = $msg({
      to: room,
      from: this._connection.jid,
      type: "groupchat"
    }).c("subject", {
      xmlns: "jabber:client"
    }).t(topic);
    return this._connection.send(msg.tree());
  },
  /*Function
  Internal Function that Changes the role or affiliation of a member
  of a MUC room. This function is used by modifyRole and modifyAffiliation.
  The modification can only be done by a room moderator. An error will be
  returned if the user doesn't have permission.
  Parameters:
  (String) room - The multi-user chat room name.
  (Object) item - Object with nick and role or jid and affiliation attribute
  (String) reason - Optional reason for the change.
  (Function) handler_cb - Optional callback for success
  (Function) error_cb - Optional callback for error
  Returns:
  iq - the id of the mode change request.
  */

  _modifyPrivilege: function(room, item, reason, handler_cb, error_cb) {
    var iq;
    iq = $iq({
      to: room,
      type: "set"
    }).c("query", {
      xmlns: Strophe.NS.MUC_ADMIN
    }).cnode(item.node);
    if (reason != null) {
      iq.c("reason", reason);
    }
    return this._connection.sendIQ(iq.tree(), handler_cb, error_cb);
  },
  /*Function
  Changes the role of a member of a MUC room.
  The modification can only be done by a room moderator. An error will be
  returned if the user doesn't have permission.
  Parameters:
  (String) room - The multi-user chat room name.
  (String) nick - The nick name of the user to modify.
  (String) role - The new role of the user.
  (String) affiliation - The new affiliation of the user.
  (String) reason - Optional reason for the change.
  (Function) handler_cb - Optional callback for success
  (Function) error_cb - Optional callback for error
  Returns:
  iq - the id of the mode change request.
  */

  modifyRole: function(room, nick, role, reason, handler_cb, error_cb) {
    var item;
    item = $build("item", {
      nick: nick,
      role: role
    });
    return this._modifyPrivilege(room, item, reason, handler_cb, error_cb);
  },
  kick: function(room, nick, reason, handler_cb, error_cb) {
    return this.modifyRole(room, nick, 'none', reason, handler_cb, error_cb);
  },
  voice: function(room, nick, reason, handler_cb, error_cb) {
    return this.modifyRole(room, nick, 'participant', reason, handler_cb, error_cb);
  },
  mute: function(room, nick, reason, handler_cb, error_cb) {
    return this.modifyRole(room, nick, 'visitor', reason, handler_cb, error_cb);
  },
  op: function(room, nick, reason, handler_cb, error_cb) {
    return this.modifyRole(room, nick, 'moderator', reason, handler_cb, error_cb);
  },
  deop: function(room, nick, reason, handler_cb, error_cb) {
    return this.modifyRole(room, nick, 'participant', reason, handler_cb, error_cb);
  },
  /*Function
  Changes the affiliation of a member of a MUC room.
  The modification can only be done by a room moderator. An error will be
  returned if the user doesn't have permission.
  Parameters:
  (String) room - The multi-user chat room name.
  (String) jid  - The jid of the user to modify.
  (String) affiliation - The new affiliation of the user.
  (String) reason - Optional reason for the change.
  (Function) handler_cb - Optional callback for success
  (Function) error_cb - Optional callback for error
  Returns:
  iq - the id of the mode change request.
  */

  modifyAffiliation: function(room, jid, affiliation, reason, handler_cb, error_cb) {
    var item;
    item = $build("item", {
      jid: jid,
      affiliation: affiliation
    });
    return this._modifyPrivilege(room, item, reason, handler_cb, error_cb);
  },
  ban: function(room, jid, reason, handler_cb, error_cb) {
    return this.modifyAffiliation(room, jid, 'outcast', reason, handler_cb, error_cb);
  },
  member: function(room, jid, reason, handler_cb, error_cb) {
    return this.modifyAffiliation(room, jid, 'member', reason, handler_cb, error_cb);
  },
  revoke: function(room, jid, reason, handler_cb, error_cb) {
    return this.modifyAffiliation(room, jid, 'none', reason, handler_cb, error_cb);
  },
  owner: function(room, jid, reason, handler_cb, error_cb) {
    return this.modifyAffiliation(room, jid, 'owner', reason, handler_cb, error_cb);
  },
  admin: function(room, jid, reason, handler_cb, error_cb) {
    return this.modifyAffiliation(room, jid, 'admin', reason, handler_cb, error_cb);
  },
  /*Function
  Change the current users nick name.
  Parameters:
  (String) room - The multi-user chat room name.
  (String) user - The new nick name.
  */

  changeNick: function(room, user) {
    var presence, room_nick;
    room_nick = this.test_append_nick(room, user);
    presence = $pres({
      from: this._connection.jid,
      to: room_nick,
      id: this._connection.getUniqueId()
    });
    return this._connection.send(presence.tree());
  },
  /*Function
  Change the current users status.
  Parameters:
  (String) room - The multi-user chat room name.
  (String) user - The current nick.
  (String) show - The new show-text.
  (String) status - The new status-text.
  */

  setStatus: function(room, user, show, status) {
    var presence, room_nick;
    room_nick = this.test_append_nick(room, user);
    presence = $pres({
      from: this._connection.jid,
      to: room_nick
    });
    if (show != null) {
      presence.c('show', show).up();
    }
    if (status != null) {
      presence.c('status', status);
    }
    return this._connection.send(presence.tree());
  },
  /*Function
  List all chat room available on a server.
  Parameters:
  (String) server - name of chat server.
  (String) handle_cb - Function to call for room list return.
  (String) error_cb - Function to call on error.
  */

  listRooms: function(server, handle_cb, error_cb) {
    var iq;
    iq = $iq({
      to: server,
      from: this._connection.jid,
      type: "get"
    }).c("query", {
      xmlns: Strophe.NS.DISCO_ITEMS
    });
    return this._connection.sendIQ(iq, handle_cb, error_cb);
  },
  test_append_nick: function(room, nick) {
    return room + (nick != null ? "/" + (Strophe.escapeNode(nick)) : "");
  }
});

XmppRoom = (function() {

  function XmppRoom(client, name, nick, password) {
    this.client = client;
    this.name = name;
    this.nick = nick;
    this.password = password;
    this._roomRosterHandler = __bind(this._roomRosterHandler, this);

    this._addOccupant = __bind(this._addOccupant, this);

    this.roster = {};
    this._message_handlers = {};
    this._presence_handlers = {};
    this._roster_handlers = {};
    this._handler_ids = 0;
    if (client.muc) {
      this.client = client.muc;
    }
    this.name = Strophe.getBareJidFromJid(name);
    this.addHandler('presence', this._roomRosterHandler);
  }

  XmppRoom.prototype.join = function(msg_handler_cb, pres_handler_cb, roster_cb) {
    return this.client.join(this.name, this.nick, msg_handler_cb, pres_handler_cb, roster_cb, this.password);
  };

  XmppRoom.prototype.leave = function(handler_cb, message) {
    this.client.leave(this.name, this.nick, handler_cb, message);
    return delete this.client.rooms[this.name];
  };

  XmppRoom.prototype.message = function(nick, message, html_message, type) {
    return this.client.message(this.name, nick, message, html_message, type);
  };

  XmppRoom.prototype.groupchat = function(message, html_message) {
    return this.client.groupchat(this.name, message, html_message);
  };

  XmppRoom.prototype.invite = function(receiver, reason) {
    return this.client.invite(this.name, receiver, reason);
  };

  XmppRoom.prototype.directInvite = function(receiver, reason) {
    return this.client.directInvite(this.name, receiver, reason, this.password);
  };

  XmppRoom.prototype.configure = function(handler_cb) {
    return this.client.configure(this.name, handler_cb);
  };

  XmppRoom.prototype.cancelConfigure = function() {
    return this.client.cancelConfigure(this.name);
  };

  XmppRoom.prototype.saveConfiguration = function(config) {
    return this.client.saveConfiguration(this.name, config);
  };

  XmppRoom.prototype.queryOccupants = function(success_cb, error_cb) {
    return this.client.queryOccupants(this.name, success_cb, error_cb);
  };

  XmppRoom.prototype.setTopic = function(topic) {
    return this.client.setTopic(this.name, topic);
  };

  XmppRoom.prototype.modifyRole = function(nick, role, reason, success_cb, error_cb) {
    return this.client.modifyRole(this.name, nick, role, reason, success_cb, error_cb);
  };

  XmppRoom.prototype.kick = function(nick, reason, handler_cb, error_cb) {
    return this.client.kick(this.name, nick, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.voice = function(nick, reason, handler_cb, error_cb) {
    return this.client.voice(this.name, nick, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.mute = function(nick, reason, handler_cb, error_cb) {
    return this.client.mute(this.name, nick, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.op = function(nick, reason, handler_cb, error_cb) {
    return this.client.op(this.name, nick, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.deop = function(nick, reason, handler_cb, error_cb) {
    return this.client.deop(this.name, nick, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.modifyAffiliation = function(jid, affiliation, reason, success_cb, error_cb) {
    return this.client.modifyAffiliation(this.name, jid, affiliation, reason, success_cb, error_cb);
  };

  XmppRoom.prototype.ban = function(jid, reason, handler_cb, error_cb) {
    return this.client.ban(this.name, jid, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.member = function(jid, reason, handler_cb, error_cb) {
    return this.client.member(this.name, jid, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.revoke = function(jid, reason, handler_cb, error_cb) {
    return this.client.revoke(this.name, jid, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.owner = function(jid, reason, handler_cb, error_cb) {
    return this.client.owner(this.name, jid, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.admin = function(jid, reason, handler_cb, error_cb) {
    return this.client.admin(this.name, jid, reason, handler_cb, error_cb);
  };

  XmppRoom.prototype.changeNick = function(nick) {
    this.nick = nick;
    return this.client.changeNick(this.name, nick);
  };

  XmppRoom.prototype.setStatus = function(show, status) {
    return this.client.setStatus(this.name, this.nick, show, status);
  };

  /*Function
  Adds a handler to the MUC room.
    Parameters:
  (String) handler_type - 'message', 'presence' or 'roster'.
  (Function) handler - The handler function.
  Returns:
  id - the id of handler.
  */


  XmppRoom.prototype.addHandler = function(handler_type, handler) {
    var id;
    id = this._handler_ids++;
    switch (handler_type) {
      case 'presence':
        this._presence_handlers[id] = handler;
        break;
      case 'message':
        this._message_handlers[id] = handler;
        break;
      case 'roster':
        this._roster_handlers[id] = handler;
        break;
      default:
        this._handler_ids--;
        return null;
    }
    return id;
  };

  /*Function
  Removes a handler from the MUC room.
  This function takes ONLY ids returned by the addHandler function
  of this room. passing handler ids returned by connection.addHandler
  may brake things!
    Parameters:
  (number) id - the id of the handler
  */


  XmppRoom.prototype.removeHandler = function(id) {
    delete this._presence_handlers[id];
    delete this._message_handlers[id];
    return delete this._roster_handlers[id];
  };

  /*Function
  Creates and adds an Occupant to the Room Roster.
    Parameters:
  (Object) data - the data the Occupant is filled with
  Returns:
  occ - the created Occupant.
  */


  XmppRoom.prototype._addOccupant = function(data) {
    var occ;
    occ = new Occupant(data, this);
    this.roster[occ.nick] = occ;
    return occ;
  };

  /*Function
  The standard handler that managed the Room Roster.
    Parameters:
  (Object) pres - the presence stanza containing user information
  */


  XmppRoom.prototype._roomRosterHandler = function(pres) {
    var data, handler, id, newnick, nick, _ref;
    data = XmppRoom._parsePresence(pres);
    nick = data.nick;
    newnick = data.newnick || null;
    switch (data.type) {
      case 'error':
        return;
      case 'unavailable':
        if (newnick) {
          data.nick = newnick;
          if (this.roster[nick] && this.roster[newnick]) {
            this.roster[nick].update(this.roster[newnick]);
            this.roster[newnick] = this.roster[nick];
          }
          if (this.roster[nick] && !this.roster[newnick]) {
            this.roster[newnick] = this.roster[nick].update(data);
          }
        }
        delete this.roster[nick];
        break;
      default:
        if (this.roster[nick]) {
          this.roster[nick].update(data);
        } else {
          this._addOccupant(data);
        }
    }
    _ref = this._roster_handlers;
    for (id in _ref) {
      handler = _ref[id];
      if (!handler(this.roster, this)) {
        delete this._roster_handlers[id];
      }
    }
    return true;
  };

  /*Function
  Parses a presence stanza
    Parameters:
  (Object) data - the data extracted from the presence stanza
  */


  XmppRoom._parsePresence = function(pres) {
    var a, c, c2, data, _i, _j, _len, _len1, _ref, _ref1, _ref2, _ref3, _ref4, _ref5, _ref6, _ref7;
    data = {};
    a = pres.attributes;
    data.nick = Strophe.getResourceFromJid(a.from.textContent);
    data.type = ((_ref = a.type) != null ? _ref.textContent : void 0) || null;
    data.states = [];
    _ref1 = pres.childNodes;
    for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
      c = _ref1[_i];
      switch (c.nodeName) {
        case "status":
          data.status = c.textContent || null;
          break;
        case "show":
          data.show = c.textContent || null;
          break;
        case "x":
          a = c.attributes;
          if (((_ref2 = a.xmlns) != null ? _ref2.textContent : void 0) === Strophe.NS.MUC_USER) {
            _ref3 = c.childNodes;
            for (_j = 0, _len1 = _ref3.length; _j < _len1; _j++) {
              c2 = _ref3[_j];
              switch (c2.nodeName) {
                case "item":
                  a = c2.attributes;
                  data.affiliation = ((_ref4 = a.affiliation) != null ? _ref4.textContent : void 0) || null;
                  data.role = ((_ref5 = a.role) != null ? _ref5.textContent : void 0) || null;
                  data.jid = ((_ref6 = a.jid) != null ? _ref6.textContent : void 0) || null;
                  data.newnick = ((_ref7 = a.nick) != null ? _ref7.textContent : void 0) || null;
                  break;
                case "status":
                  if (c2.attributes.code) {
                    data.states.push(c2.attributes.code.textContent);
                  }
              }
            }
          }
      }
    }
    return data;
  };

  return XmppRoom;

})();

RoomConfig = (function() {

  function RoomConfig(info) {
    this.parse = __bind(this.parse, this);
    if (info != null) {
      this.parse(info);
    }
  }

  RoomConfig.prototype.parse = function(result) {
    var attr, attrs, child, field, identity, query, _i, _j, _k, _len, _len1, _len2, _ref;
    query = result.getElementsByTagName("query")[0].childNodes;
    this.identities = [];
    this.features = [];
    this.x = [];
    for (_i = 0, _len = query.length; _i < _len; _i++) {
      child = query[_i];
      attrs = child.attributes;
      switch (child.nodeName) {
        case "identity":
          identity = {};
          for (_j = 0, _len1 = attrs.length; _j < _len1; _j++) {
            attr = attrs[_j];
            identity[attr.name] = attr.textContent;
          }
          this.identities.push(identity);
          break;
        case "feature":
          this.features.push(attrs["var"].textContent);
          break;
        case "x":
          attrs = child.childNodes[0].attributes;
          if ((!attrs["var"].textContent === 'FORM_TYPE') || (!attrs.type.textContent === 'hidden')) {
            break;
          }
          _ref = child.childNodes;
          for (_k = 0, _len2 = _ref.length; _k < _len2; _k++) {
            field = _ref[_k];
            if (!(!field.attributes.type)) {
              continue;
            }
            attrs = field.attributes;
            this.x.push({
              "var": attrs["var"].textContent,
              label: attrs.label.textContent || "",
              value: field.firstChild.textContent || ""
            });
          }
      }
    }
    return {
      "identities": this.identities,
      "features": this.features,
      "x": this.x
    };
  };

  return RoomConfig;

})();

Occupant = (function() {

  function Occupant(data, room) {
    this.room = room;
    this.update = __bind(this.update, this);

    this.admin = __bind(this.admin, this);

    this.owner = __bind(this.owner, this);

    this.revoke = __bind(this.revoke, this);

    this.member = __bind(this.member, this);

    this.ban = __bind(this.ban, this);

    this.modifyAffiliation = __bind(this.modifyAffiliation, this);

    this.deop = __bind(this.deop, this);

    this.op = __bind(this.op, this);

    this.mute = __bind(this.mute, this);

    this.voice = __bind(this.voice, this);

    this.kick = __bind(this.kick, this);

    this.modifyRole = __bind(this.modifyRole, this);

    this.update(data);
  }

  Occupant.prototype.modifyRole = function(role, reason, success_cb, error_cb) {
    return this.room.modifyRole(this.nick, role, reason, success_cb, error_cb);
  };

  Occupant.prototype.kick = function(reason, handler_cb, error_cb) {
    return this.room.kick(this.nick, reason, handler_cb, error_cb);
  };

  Occupant.prototype.voice = function(reason, handler_cb, error_cb) {
    return this.room.voice(this.nick, reason, handler_cb, error_cb);
  };

  Occupant.prototype.mute = function(reason, handler_cb, error_cb) {
    return this.room.mute(this.nick, reason, handler_cb, error_cb);
  };

  Occupant.prototype.op = function(reason, handler_cb, error_cb) {
    return this.room.op(this.nick, reason, handler_cb, error_cb);
  };

  Occupant.prototype.deop = function(reason, handler_cb, error_cb) {
    return this.room.deop(this.nick, reason, handler_cb, error_cb);
  };

  Occupant.prototype.modifyAffiliation = function(affiliation, reason, success_cb, error_cb) {
    return this.room.modifyAffiliation(this.jid, affiliation, reason, success_cb, error_cb);
  };

  Occupant.prototype.ban = function(reason, handler_cb, error_cb) {
    return this.room.ban(this.jid, reason, handler_cb, error_cb);
  };

  Occupant.prototype.member = function(reason, handler_cb, error_cb) {
    return this.room.member(this.jid, reason, handler_cb, error_cb);
  };

  Occupant.prototype.revoke = function(reason, handler_cb, error_cb) {
    return this.room.revoke(this.jid, reason, handler_cb, error_cb);
  };

  Occupant.prototype.owner = function(reason, handler_cb, error_cb) {
    return this.room.owner(this.jid, reason, handler_cb, error_cb);
  };

  Occupant.prototype.admin = function(reason, handler_cb, error_cb) {
    return this.room.admin(this.jid, reason, handler_cb, error_cb);
  };

  Occupant.prototype.update = function(data) {
    this.nick = data.nick || null;
    this.affiliation = data.affiliation || null;
    this.role = data.role || null;
    this.jid = data.jid || null;
    this.status = data.status || null;
    this.show = data.show || null;
    return this;
  };

  return Occupant;

})();


/*!
 * Source: lib/strophe.disco.js, license: MIT, url: https://github.com/strophe/strophejs-plugins
 */
/*
  Copyright 2010, François de Metz <francois@2metz.fr>
*/

/**
 * Disco Strophe Plugin
 * Implement http://xmpp.org/extensions/xep-0030.html
 * TODO: manage node hierarchies, and node on info request
 */
Strophe.addConnectionPlugin('disco',
{
    _connection: null,
    _identities : [],
    _features : [],
    _items : [],
    /** Function: init
     * Plugin init
     *
     * Parameters:
     *   (Strophe.Connection) conn - Strophe connection
     */
    init: function(conn)
    {
    this._connection = conn;
        this._identities = [];
        this._features   = [];
        this._items      = [];
        // disco info
        conn.addHandler(this._onDiscoInfo.bind(this), Strophe.NS.DISCO_INFO, 'iq', 'get', null, null);
        // disco items
        conn.addHandler(this._onDiscoItems.bind(this), Strophe.NS.DISCO_ITEMS, 'iq', 'get', null, null);
    },
    /** Function: addIdentity
     * See http://xmpp.org/registrar/disco-categories.html
     * Parameters:
     *   (String) category - category of identity (like client, automation, etc ...)
     *   (String) type - type of identity (like pc, web, bot , etc ...)
     *   (String) name - name of identity in natural language
     *   (String) lang - lang of name parameter
     *
     * Returns:
     *   Boolean
     */
    addIdentity: function(category, type, name, lang)
    {
        for (var i=0; i<this._identities.length; i++)
        {
            if (this._identities[i].category == category &&
                this._identities[i].type == type &&
                this._identities[i].name == name &&
                this._identities[i].lang == lang)
            {
                return false;
            }
        }
        this._identities.push({category: category, type: type, name: name, lang: lang});
        return true;
    },
    /** Function: addFeature
     *
     * Parameters:
     *   (String) var_name - feature name (like jabber:iq:version)
     *
     * Returns:
     *   boolean
     */
    addFeature: function(var_name)
    {
        for (var i=0; i<this._features.length; i++)
        {
             if (this._features[i] == var_name)
                 return false;
        }
        this._features.push(var_name);
        return true;
    },
    /** Function: removeFeature
     *
     * Parameters:
     *   (String) var_name - feature name (like jabber:iq:version)
     *
     * Returns:
     *   boolean
     */
    removeFeature: function(var_name)
    {
        for (var i=0; i<this._features.length; i++)
        {
             if (this._features[i] === var_name){
                 this._features.splice(i,1)
                 return true;
             }
        }
        return false;
    },
    /** Function: addItem
     *
     * Parameters:
     *   (String) jid
     *   (String) name
     *   (String) node
     *   (Function) call_back
     *
     * Returns:
     *   boolean
     */
    addItem: function(jid, name, node, call_back)
    {
        if (node && !call_back)
            return false;
        this._items.push({jid: jid, name: name, node: node, call_back: call_back});
        return true;
    },
    /** Function: info
     * Info query
     *
     * Parameters:
     *   (Function) call_back
     *   (String) jid
     *   (String) node
     */
    info: function(jid, node, success, error, timeout)
    {
        var attrs = {xmlns: Strophe.NS.DISCO_INFO};
        if (node)
            attrs.node = node;

        var info = $iq({from:this._connection.jid,
                         to:jid, type:'get'}).c('query', attrs);
        this._connection.sendIQ(info, success, error, timeout);
    },
    /** Function: items
     * Items query
     *
     * Parameters:
     *   (Function) call_back
     *   (String) jid
     *   (String) node
     */
    items: function(jid, node, success, error, timeout)
    {
        var attrs = {xmlns: Strophe.NS.DISCO_ITEMS};
        if (node)
            attrs.node = node;

        var items = $iq({from:this._connection.jid,
                         to:jid, type:'get'}).c('query', attrs);
        this._connection.sendIQ(items, success, error, timeout);
    },

    /** PrivateFunction: _buildIQResult
     */
    _buildIQResult: function(stanza, query_attrs)
    {
        var id   =  stanza.getAttribute('id');
        var from = stanza.getAttribute('from');
        var iqresult = $iq({type: 'result', id: id});

        if (from !== null) {
            iqresult.attrs({to: from});
        }

        return iqresult.c('query', query_attrs);
    },

    /** PrivateFunction: _onDiscoInfo
     * Called when receive info request
     */
    _onDiscoInfo: function(stanza)
    {
        var node = stanza.getElementsByTagName('query')[0].getAttribute('node');
        var attrs = {xmlns: Strophe.NS.DISCO_INFO};
        if (node)
        {
            attrs.node = node;
        }
        var iqresult = this._buildIQResult(stanza, attrs);
        for (var i=0; i<this._identities.length; i++)
        {
            var attrs = {category: this._identities[i].category,
                         type    : this._identities[i].type};
            if (this._identities[i].name)
                attrs.name = this._identities[i].name;
            if (this._identities[i].lang)
                attrs['xml:lang'] = this._identities[i].lang;
            iqresult.c('identity', attrs).up();
        }
        for (var i=0; i<this._features.length; i++)
        {
            iqresult.c('feature', {'var':this._features[i]}).up();
        }
        this._connection.send(iqresult.tree());
        return true;
    },
    /** PrivateFunction: _onDiscoItems
     * Called when receive items request
     */
    _onDiscoItems: function(stanza)
    {
        var query_attrs = {xmlns: Strophe.NS.DISCO_ITEMS};
        var node = stanza.getElementsByTagName('query')[0].getAttribute('node');
        if (node)
        {
            query_attrs.node = node;
            var items = [];
            for (var i = 0; i < this._items.length; i++)
            {
                if (this._items[i].node == node)
                {
                    items = this._items[i].call_back(stanza);
                    break;
                }
            }
        }
        else
        {
            var items = this._items;
        }
        var iqresult = this._buildIQResult(stanza, query_attrs);
        for (var i = 0; i < items.length; i++)
        {
            var attrs = {jid:  items[i].jid};
            if (items[i].name)
                attrs.name = items[i].name;
            if (items[i].node)
                attrs.node = items[i].node;
            iqresult.c('item', attrs).up();
        }
        this._connection.send(iqresult.tree());
        return true;
    }
});


/*!
 * Source: lib/strophe.caps.js, license: MIT, url: https://github.com/strophe/strophejs-plugins
 */
/**
 * Entity Capabilities (XEP-0115)
 * 
 * Depends on disco plugin.
 * 
 * See: http://xmpp.org/extensions/xep-0115.html
 * 
 * Authors: - Michael Weibel <michael.weibel@gmail.com> - Klaus Herberth <klaus@jsxc.org>
 * Copyright: - Michael Weibel <michael.weibel@gmail.com>
 * 
 * @license MIT
 */

(function($) {
   Strophe.addConnectionPlugin('caps', {
      /**
       * Constant: HASH Hash used
       * 
       * Currently only sha-1 is supported.
       */
      HASH: 'sha-1',
      /**
       * Variable: node Client which is being used.
       * 
       * Can be overwritten as soon as Strophe has been initialized.
       */
      node: 'http://strophe.im/strophejs/',
      /**
       * PrivateVariable: _ver Own generated version string
       */
      _ver: '',
      /**
       * PrivateVariable: _connection Strophe connection
       */
      _connection: null,
      /**
       * PrivateVariable: _knownCapabilities A hashtable containing
       * version-strings and their capabilities, serialized as string.
       * 
       * TODO: Maybe those caps shouldn't be serialized.
       */
      _knownCapabilities: JSON.parse(localStorage.getItem('strophe.caps._knownCapabilities')) || {},

      /**
       * PrivateVariable: _jidVerIndex A hashtable containing jids and their
       * versions for better lookup of capabilities.
       */
      _jidVerIndex: JSON.parse(localStorage.getItem('strophe.caps._jidVerIndex')) || {},

      /**
       * Function: init Initialize plugin: - Add caps namespace - Add caps
       * feature to disco plugin - Add handler for caps stanzas
       * 
       * Parameters: (Strophe.Connection) conn - Strophe connection
       */
      init: function(conn) {
         this._connection = conn;

         Strophe.addNamespace('CAPS', 'http://jabber.org/protocol/caps');

         if (!this._connection.disco) {
            throw "Caps plugin requires the disco plugin to be installed.";
         }

         this._connection.disco.addFeature(Strophe.NS.CAPS);
         this._connection.addHandler(this._delegateCapabilities.bind(this), Strophe.NS.CAPS);
      },

      /**
       * Function: generateCapsAttrs Returns the attributes for generating the
       * "c"-stanza containing the own version
       * 
       * Returns: (Object) - attributes
       */
      generateCapsAttrs: function() {
         return {
            'xmlns': Strophe.NS.CAPS,
            'hash': this.HASH,
            'node': this.node,
            'ver': this.generateVer()
         };
      },

      /**
       * Function: generateVer Returns the base64 encoded version string
       * (encoded itself with sha1)
       * 
       * Returns: (String) - version
       */
      generateVer: function() {
         if (this._ver !== "") {
            return this._ver;
         }

         var ver = "", identities = this._connection.disco._identities.sort(this._sortIdentities), identitiesLen = identities.length, features = this._connection.disco._features.sort(), featuresLen = features.length;
         for (var i = 0; i < identitiesLen; i++) {
            var curIdent = identities[i];
            ver += curIdent.category + "/" + curIdent.type + "/" + curIdent.lang + "/" + curIdent.name + "<";
         }
         for (var i = 0; i < featuresLen; i++) {
            ver += features[i] + '<';
         }

         this._ver = b64_sha1(ver);
         return this._ver;
      },

      /**
       * Function: getCapabilitiesByJid Returns serialized capabilities of a jid
       * (if available). Otherwise null.
       * 
       * Parameters: (String) jid - Jabber id
       * 
       * Returns: (String|null) - capabilities, serialized; or null when not
       * available.
       */
      getCapabilitiesByJid: function(jid) {
         if (this._jidVerIndex[jid]) {
            return this._knownCapabilities[this._jidVerIndex[jid]];
         }
         return null;
      },
      hasFeatureByJid: function(jid, feature) {
         if (this._jidVerIndex[jid] && feature !== null && typeof feature !== 'undefined') {
            if(!$.isArray(feature)){
               feature = $.makeArray(feature);
            }
            
            var i, knownCapabilities;
            knownCapabilities = this._knownCapabilities[this._jidVerIndex[jid]];
            if (!knownCapabilities) {
               return null;
            }
            for (i = 0; i < feature.length; i++) {
               if (knownCapabilities['features'].indexOf(feature[i]) < 0) {
                  return false;
               }
            }
            return true;
         }
         return false;
      },

      /**
       * PrivateFunction: _delegateCapabilities Checks if the version has
       * already been saved. If yes: do nothing. If no: Request capabilities
       * 
       * Parameters: (Strophe.Builder) stanza - Stanza
       * 
       * Returns: (Boolean)
       */
      _delegateCapabilities: function(stanza) {
         var from = stanza.getAttribute('from'), c = stanza.querySelector('c'), ver = c.getAttribute('ver'), node = c.getAttribute('node');
         if (!this._knownCapabilities[ver]) {
            return this._requestCapabilities(from, node, ver);
         } else {
            this._jidVerIndex[from] = ver;
         }
         if (!this._jidVerIndex[from] || !this._jidVerIndex[from] !== ver) {
            this._jidVerIndex[from] = ver;
         }

         localStorage.setItem('strophe.caps._jidVerIndex', JSON.stringify(this._jidVerIndex));
         $(document).trigger('caps.strophe', [ from, this._knownCapabilities[ver], ver]);

         return true;
      },

      /**
       * PrivateFunction: _requestCapabilities Requests capabilities from the
       * one which sent the caps-info stanza. This is done using disco info.
       * 
       * Additionally, it registers a handler for handling the reply.
       * 
       * Parameters: (String) to - Destination jid (String) node - Node
       * attribute of the caps-stanza (String) ver - Version of the caps-stanza
       * 
       * Returns: (Boolean) - true
       */
      _requestCapabilities: function(to, node, ver) {
         if (to !== this._connection.jid) {
            var id = this._connection.disco.info(to, node + '#' + ver);
            this._connection.addHandler(this._handleDiscoInfoReply.bind(this), Strophe.NS.DISCO_INFO, 'iq', 'result', id, to);
         }
         return true;
      },

      /**
       * PrivateFunction: _handleDiscoInfoReply Parses the disco info reply and
       * adds the version & it's capabilities to the _knownCapabilities
       * variable. Additionally, it adds the jid & the version to the
       * _jidVerIndex variable for a better lookup.
       * 
       * Parameters: (Strophe.Builder) stanza - Disco info stanza
       * 
       * Returns: (Boolean) - false, to automatically remove the handler.
       */
      _handleDiscoInfoReply: function(stanza) {
         var query = stanza.querySelector('query');
         var from = stanza.getAttribute('from');
         var node = query.getAttribute('node');
         var ver = (node)? node.split('#')[1] : this._jidVerIndex[from]; //fix open prosody issue

         if (!this._knownCapabilities[ver]) {
            var childNodes = query.childNodes, childNodesLen = childNodes.length;
            this._knownCapabilities[ver] = {
               features: [],
               identities: []
            };

            for (var i = 0; i < childNodesLen; i++) {
               var node = childNodes[i];
               if (node.nodeName == 'feature') {
                  this._knownCapabilities[ver]['features'].push(node.getAttribute('var'));
               } else if (node.nodeName == 'identity') {
                  this._knownCapabilities[ver]['identities'].push(this._attributesToJsObject(node.attributes));
               } else {
                  if (typeof this._knownCapabilities[ver][node.nodeName] === 'undefined')
                     this._knownCapabilities[ver][node.nodeName] = [];
                  this._knownCapabilities[ver][node.nodeName].push(this._attributesToJsObject(node.attributes));
               }

            }
            this._jidVerIndex[from] = ver;
         } else if (!this._jidVerIndex[from] || !this._jidVerIndex[from] !== ver) {
            this._jidVerIndex[from] = ver;
         }

         localStorage.setItem('strophe.caps._jidVerIndex', JSON.stringify(this._jidVerIndex));
         localStorage.setItem('strophe.caps._knownCapabilities', JSON.stringify(this._knownCapabilities));
         $(document).trigger('caps.strophe', [ from, this._knownCapabilities[ver], ver ]);

         return false;
      },

      _attributesToJsObject: function(attr) {
         var obj = {};

         for (i = 0; i < attr.length; i++)
            obj[attr[i].name] = attr[i].value;

         return obj;
      },

      /**
       * PrivateFunction: _sortIdentities Sorts two identities according the
       * sorting requirements in XEP-0115.
       * 
       * Parameters: (Object) a - Identity a (Object) b - Identity b
       * 
       * Returns: (Integer) - 1, 0 or -1; according to which one's greater.
       */
      _sortIdentities: function(a, b) {
         if (a.category > b.category) {
            return 1;
         }
         if (a.category < b.category) {
            return -1;
         }
         if (a.type > b.type) {
            return 1;
         }
         if (a.type < b.type) {
            return -1;
         }
         if (a.lang > b.lang) {
            return 1;
         }
         if (a.lang < b.lang) {
            return -1;
         }
         return 0;
      }
   });
}(jQuery));


/*!
 * Source: lib/strophe.vcard/index.js, license: MIT, url: https://github.com/strophe/strophejs-plugins
 */
// Generated by CoffeeScript 1.10.0

/*
Plugin to implement the vCard extension.
http://xmpp.org/extensions/xep-0054.html

Author: Nathan Zorn (nathan.zorn@gmail.com)
CoffeeScript port: Andreas Guth (guth@dbis.rwth-aachen.de)
 */


/* jslint configuration: */


/* global document, window, setTimeout, clearTimeout, console,
    XMLHttpRequest, ActiveXObject,
    Base64, MD5,
    Strophe, $build, $msg, $iq, $pres
 */

(function() {
  var buildIq;

  buildIq = function(type, jid, vCardEl) {
    var iq;
    iq = $iq(jid ? {
      type: type,
      to: jid
    } : {
      type: type
    });
    iq.c("vCard", {
      xmlns: Strophe.NS.VCARD
    });
    if (vCardEl) {
      iq.cnode(vCardEl);
    }
    return iq;
  };

  Strophe.addConnectionPlugin('vcard', {
    _connection: null,
    init: function(conn) {
      this._connection = conn;
      return Strophe.addNamespace('VCARD', 'vcard-temp');
    },

    /*Function
      Retrieve a vCard for a JID/Entity
      Parameters:
      (Function) handler_cb - The callback function used to handle the request.
      (String) jid - optional - The name of the entity to request the vCard
         If no jid is given, this function retrieves the current user's vcard.
      (Function) error_cb - The callback function used to handle error repsonse.
     */
    get: function(handler_cb, jid, error_cb) {
      var iq;
      if (typeof jid === 'function') {
        error_cb = jid;
        jid = null;
      }
      iq = buildIq("get", jid);
      return this._connection.sendIQ(iq, handler_cb, error_cb);
    },

    /* Function
        Set an entity's vCard.
     */
    set: function(handler_cb, vCardEl, jid, error_cb) {
      var iq;
      iq = buildIq("set", jid, vCardEl);
      return this._connection.sendIQ(iq, handler_cb, error_cb);
    }
  });

}).call(this);


/*!
 * Source: lib/strophe.bookmarks/index.js, license: MIT, url: https://github.com/strophe/strophejs-plugins/tree/master/bookmarks
 */
Strophe.addConnectionPlugin('bookmarks', {
	init : function(connection) {
		this.connection = connection;
		Strophe.addNamespace('PRIVATE', 'jabber:iq:private');
		Strophe.addNamespace('BOOKMARKS', 'storage:bookmarks');
		Strophe.addNamespace('PRIVACY', 'jabber:iq:privacy');
		Strophe.addNamespace('DELAY', 'jabber:x:delay');
		Strophe.addNamespace('PUBSUB', 'http://jabber.org/protocol/pubsub');
		
	},
	/**
	 * Create private bookmark node.
	 *
	 * @param {function} [success] - Callback after success
	 * @param {function} [error] - Callback after error
	 */
	createBookmarksNode : function(success, error) {
		// We do this instead of using publish-options because this is not
		// mandatory to implement according to XEP-0060
		this.connection.sendIQ($iq({
			type : 'set'
		}).c('pubsub', {
			xmlns : Strophe.NS.PUBSUB
		}).c('create', {
			node : 'storage:bookmarks'
		}).up().c('configure').c('x', {
			xmlns : 'jabber:x:data',
			type : 'submit'
		}).c('field', {
			'var' : 'FORM_TYPE',
			type : 'hidden'
		}).c('value').t('http://jabber.org/protocol/pubsub#node_config').up()
				.up().c('field', {
					'var' : 'pubsub#persist_items'
				}).c('value').t('1').up().up().c('field', {
					'var' : 'pubsub#access_model'
				}).c('value').t('whitelist'), success, error);

		return true;
	},
	/**
	 * Add bookmark to storage.
	 *
	 * @param {string} roomJid - The JabberID of the chat roomJid
	 * @param {string} [alias] - A friendly name for the bookmark
	 * @param {string} [nick] - The users's preferred roomnick for the chatroom
	 * @param {boolean} [autojoin=false] - Whether the client should automatically join 
	 * the conference room on login.
	 * @param {function} [success] - Callback after success
	 * @param {function} [error] - Callback after error
	 */
	add : function(roomJid, alias, nick, autojoin, success, error) {
		var conferenceAttr = {
			jid: roomJid,
			autojoin: autojoin || false
		};

		if (alias) {
			conferenceAttr.name = alias;
		}

		var stanza = $iq({
			type : 'set'
		}).c('pubsub', {
			xmlns : Strophe.NS.PUBSUB
		}).c('publish', {
			node : Strophe.NS.BOOKMARKS
		}).c('item', {
			id : roomJid
		}).c('storage', {
			xmlns : Strophe.NS.BOOKMARKS
		}).c('conference', conferenceAttr);

		if (nick) {
			stanza.c('nick').t(nick);
		}

		this.connection.sendIQ(stanza, success, error);
	},
	/**
	 * Retrieve all stored bookmarks.
	 *
	 * @param {function} [success] - Callback after success
	 * @param {function} [error] - Callback after error
	 */
	get: function(success, error) {
		this.connection.sendIQ($iq({
			type : 'get'
		}).c('pubsub', {
			xmlns : Strophe.NS.PUBSUB
		}).c('items', {
			node : Strophe.NS.BOOKMARKS
		}), success, error);
	},
	/**
	 * Delete the given entry for roomJid.
	 *
	 * @param {string} roomJid - The JabberID of the chat roomJid you want to remove
	 * @param {function} [success] - Callback after success
	 * @param {function} [error] - Callback after error
	 * @param {boolean} [notify=false] - True: notify all subscribers
	 */
	delete: function(roomJid, success, error, notify) {
		this.connection.sendIQ($iq({
			type : 'set'
		}).c('pubsub', {
			xmlns : Strophe.NS.PUBSUB
		}).c('retract', {
			node : Strophe.NS.BOOKMARKS,
			notify: notify || false
		}).c('item', {
			id: roomJid
		}), success, error);
	}

});


/*!
 * Source: lib/strophe.x/index.js, license: MIT, url: https://github.com/strophe/strophejs-plugins/tree/master/dataforms
 */
// Generated by CoffeeScript 1.8.0
(function() {
  var $field, $form, $item, $opt, Field, Form, Item, Option, helper,
    __slice = [].slice,
    __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; },
    __indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };

  helper = {
    fill: function(src, target, klass) {
      var f, _i, _len, _results;
      _results = [];
      for (_i = 0, _len = src.length; _i < _len; _i++) {
        f = src[_i];
        _results.push(target.push(f instanceof klass ? f : new klass(f)));
      }
      return _results;
    },
    createHtmlFieldCouple: function(f) {
      var div, id;
      div = $("<div>");
      id = "Strophe.x.Field-" + f.type + "-" + f["var"];
      div.append("<label for='" + id + "'>" + (f.label || '') + "</label>").append($(f.toHTML()).attr("id", id)).append("<br />");
      return div.children();
    },
    getHtmlFields: function(html) {
      html = $(html);
      return __slice.call(html.find("input")).concat(__slice.call(html.find("select")), __slice.call(html.find("textarea")));
    }
  };

  Form = (function() {
    Form._types = ["form", "submit", "cancel", "result"];

    function Form(opt) {
      this.toHTML = __bind(this.toHTML, this);
      this.toJSON = __bind(this.toJSON, this);
      this.toXML = __bind(this.toXML, this);
      var f, i, _i, _j, _len, _len1, _ref, _ref1, _ref2, _ref3;
      this.fields = [];
      this.items = [];
      this.reported = [];
      if (opt) {
        if (_ref = opt.type, __indexOf.call(Form._types, _ref) >= 0) {
          this.type = opt.type;
        }
        this.title = opt.title;
        this.instructions = opt.instructions;
        helper.fill = function(src, target, klass) {
          var f, _i, _len, _results;
          _results = [];
          for (_i = 0, _len = src.length; _i < _len; _i++) {
            f = src[_i];
            _results.push(target.push(f instanceof klass ? f : new klass(f)));
          }
          return _results;
        };
        if (opt.fields) {
          if (opt.fields) {
            helper.fill(opt.fields, this.fields, Field);
          }
        } else if (opt.items) {
          if (opt.items) {
            helper.fill(opt.items, this.items, Item);
          }
          _ref1 = this.items;
          for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
            i = _ref1[_i];
            _ref2 = i.fields;
            for (_j = 0, _len1 = _ref2.length; _j < _len1; _j++) {
              f = _ref2[_j];
              if (!(_ref3 = f["var"], __indexOf.call(this.reported, _ref3) >= 0)) {
                this.reported.push(f["var"]);
              }
            }
          }
        }
      }
    }

    Form.prototype.type = "form";

    Form.prototype.title = null;

    Form.prototype.instructions = null;

    Form.prototype.toXML = function() {
      var f, i, r, xml, _i, _j, _k, _len, _len1, _len2, _ref, _ref1, _ref2;
      xml = $build("x", {
        xmlns: "jabber:x:data",
        type: this.type
      });
      if (this.title) {
        xml.c("title").t(this.title.toString()).up();
      }
      if (this.instructions) {
        xml.c("instructions").t(this.instructions.toString()).up();
      }
      if (this.fields.length > 0) {
        _ref = this.fields;
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          f = _ref[_i];
          xml.cnode(f.toXML()).up();
        }
      } else if (this.items.length > 0) {
        xml.c("reported");
        _ref1 = this.reported;
        for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
          r = _ref1[_j];
          xml.c("field", {
            "var": r
          }).up();
        }
        xml.up();
        _ref2 = this.items;
        for (_k = 0, _len2 = _ref2.length; _k < _len2; _k++) {
          i = _ref2[_k];
          xml.cnode(i.toXML()).up();
        }
      }
      return xml.tree();
    };

    Form.prototype.toJSON = function() {
      var f, i, json, _i, _j, _len, _len1, _ref, _ref1;
      json = {
        type: this.type
      };
      if (this.title) {
        json.title = this.title;
      }
      if (this.instructions) {
        json.instructions = this.instructions;
      }
      if (this.fields.length > 0) {
        json.fields = [];
        _ref = this.fields;
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          f = _ref[_i];
          json.fields.push(f.toJSON());
        }
      } else if (this.items.length > 0) {
        json.items = [];
        json.reported = this.reported;
        _ref1 = this.items;
        for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
          i = _ref1[_j];
          json.items.push(i.toJSON());
        }
      }
      return json;
    };

    Form.prototype.toHTML = function() {
      var f, form, i, _i, _j, _len, _len1, _ref, _ref1;
      form = $("<form data-type='" + this.type + "'>");
      if (this.title) {
        form.append("<h1>" + this.title + "</h1>");
      }
      if (this.instructions) {
        form.append("<p>" + this.instructions + "</p>");
      }
      if (this.fields.length > 0) {
        _ref = this.fields;
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          f = _ref[_i];
          (helper.createHtmlFieldCouple(f)).appendTo(form);
        }
      } else if (this.items.length > 0) {
        _ref1 = this.items;
        for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
          i = _ref1[_j];
          ($(i.toHTML())).appendTo(form);
        }
      }
      return form[0];
    };

    Form.fromXML = function(xml) {
      var f, fields, i, instr, items, j, r, reported, title;
      xml = $(xml);
      f = new Form({
        type: xml.attr("type")
      });
      title = xml.find("title");
      if (title.length === 1) {
        f.title = title.text();
      }
      instr = xml.find("instructions");
      if (instr.length === 1) {
        f.instructions = instr.text();
      }
      fields = xml.find("field");
      items = xml.find("item");
      if (items.length > 0) {
        f.items = (function() {
          var _i, _len, _results;
          _results = [];
          for (_i = 0, _len = items.length; _i < _len; _i++) {
            i = items[_i];
            _results.push(Item.fromXML(i));
          }
          return _results;
        })();
      } else if (fields.length > 0) {
        f.fields = (function() {
          var _i, _len, _results;
          _results = [];
          for (_i = 0, _len = fields.length; _i < _len; _i++) {
            j = fields[_i];
            _results.push(Field.fromXML(j));
          }
          return _results;
        })();
      }
      reported = xml.find("reported");
      if (reported.length === 1) {
        fields = reported.find("field");
        f.reported = (function() {
          var _i, _len, _results;
          _results = [];
          for (_i = 0, _len = fields.length; _i < _len; _i++) {
            r = fields[_i];
            _results.push(($(r)).attr("var"));
          }
          return _results;
        })();
      }
      return f;
    };

    Form.fromHTML = function(html) {
      var f, field, fields, i, instructions, item, items, j, title, _i, _j, _len, _len1, _ref, _ref1, _ref2;
      html = $(html);
      f = new Form({
        type: html.attr("data-type")
      });
      title = html.find("h1").text();
      if (title) {
        f.title = title;
      }
      instructions = html.find("p").text();
      if (instructions) {
        f.instructions = instructions;
      }
      items = html.find("fieldset");
      fields = helper.getHtmlFields(html);
      if (items.length > 0) {
        f.items = (function() {
          var _i, _len, _results;
          _results = [];
          for (_i = 0, _len = items.length; _i < _len; _i++) {
            i = items[_i];
            _results.push(Item.fromHTML(i));
          }
          return _results;
        })();
        _ref = f.items;
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          item = _ref[_i];
          _ref1 = item.fields;
          for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
            field = _ref1[_j];
            if (!(_ref2 = field["var"], __indexOf.call(f.reported, _ref2) >= 0)) {
              f.reported.push(field["var"]);
            }
          }
        }
      } else if (fields.length > 0) {
        f.fields = (function() {
          var _k, _len2, _results;
          _results = [];
          for (_k = 0, _len2 = fields.length; _k < _len2; _k++) {
            j = fields[_k];
            _results.push(Field.fromHTML(j));
          }
          return _results;
        })();
      }
      return f;
    };

    return Form;

  })();

  Field = (function() {
    Field._types = ["boolean", "fixed", "hidden", "jid-multi", "jid-single", "list-multi", "list-single", "text-multi", "text-private", "text-single"];

    Field._multiTypes = ["list-multi", "jid-multi", "text-multi", "hidden"];

    function Field(opt) {
      this.toHTML = __bind(this.toHTML, this);
      this.toXML = __bind(this.toXML, this);
      this.toJSON = __bind(this.toJSON, this);
      this.addOptions = __bind(this.addOptions, this);
      this.addOption = __bind(this.addOption, this);
      this.addValues = __bind(this.addValues, this);
      this.addValue = __bind(this.addValue, this);
      var _ref, _ref1;
      this.options = [];
      this.values = [];
      if (opt) {
        if (_ref = opt.type, __indexOf.call(Field._types, _ref) >= 0) {
          this.type = opt.type.toString();
        }
        if (opt.desc) {
          this.desc = opt.desc.toString();
        }
        if (opt.label) {
          this.label = opt.label.toString();
        }
        this["var"] = ((_ref1 = opt["var"]) != null ? _ref1.toString() : void 0) || "_no_var_was_defined_";
        this.required = opt.required === true || opt.required === "true";
        if (opt.options) {
          this.addOptions(opt.options);
        }
        if (opt.value) {
          opt.values = [opt.value];
        }
        if (opt.values) {
          this.addValues(opt.values);
        }
      }
    }

    Field.prototype.type = "text-single";

    Field.prototype.desc = null;

    Field.prototype.label = null;

    Field.prototype["var"] = "_no_var_was_defined_";

    Field.prototype.required = false;

    Field.prototype.addValue = function(val) {
      return this.addValues([val]);
    };

    Field.prototype.addValues = function(vals) {
      var multi, v, _ref;
      multi = (_ref = this.type, __indexOf.call(Field._multiTypes, _ref) >= 0);
      if (multi || (!multi && vals.length === 1)) {
        this.values = __slice.call(this.values).concat(__slice.call((function() {
            var _i, _len, _results;
            _results = [];
            for (_i = 0, _len = vals.length; _i < _len; _i++) {
              v = vals[_i];
              _results.push(v.toString());
            }
            return _results;
          })()));
      }
      return this;
    };

    Field.prototype.addOption = function(opt) {
      return this.addOptions([opt]);
    };

    Field.prototype.addOptions = function(opts) {
      var o;
      if (this.type === "list-single" || this.type === "list-multi") {
        if (typeof opts[0] !== "object") {
          opts = (function() {
            var _i, _len, _results;
            _results = [];
            for (_i = 0, _len = opts.length; _i < _len; _i++) {
              o = opts[_i];
              _results.push(new Option({
                value: o.toString()
              }));
            }
            return _results;
          })();
        }
        helper.fill(opts, this.options, Option);
      }
      return this;
    };

    Field.prototype.toJSON = function() {
      var json, o, _i, _len, _ref;
      json = {
        type: this.type,
        "var": this["var"],
        required: this.required
      };
      if (this.desc) {
        json.desc = this.desc;
      }
      if (this.label) {
        json.label = this.label;
      }
      if (this.values) {
        json.values = this.values;
      }
      if (this.options) {
        json.options = [];
        _ref = this.options;
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          o = _ref[_i];
          json.options.push(o.toJSON());
        }
      }
      return json;
    };

    Field.prototype.toXML = function() {
      var attrs, o, v, xml, _i, _j, _len, _len1, _ref, _ref1;
      attrs = {
        type: this.type,
        "var": this["var"]
      };
      if (this.label) {
        attrs.label = this.label;
      }
      xml = $build("field", attrs);
      if (this.desc) {
        xml.c("desc").t(this.desc).up();
      }
      if (this.required) {
        xml.c("required").up();
      }
      if (this.values) {
        _ref = this.values;
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          v = _ref[_i];
          xml.c("value").t(v.toString()).up();
        }
      }
      if (this.options) {
        _ref1 = this.options;
        for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
          o = _ref1[_j];
          xml.cnode(o.toXML()).up();
        }
      }
      return xml.tree();
    };

    Field.prototype.toHTML = function() {
      var el, k, line, o, opt, txt, val, _i, _j, _len, _len1, _ref, _ref1, _ref2;
      switch (this.type.toLowerCase()) {
        case 'list-single':
        case 'list-multi':
          el = $("<select>");
          if (this.type === 'list-multi') {
            el.attr('multiple', 'multiple');
          }
          if (this.options.length > 0) {
            _ref = this.options;
            for (_i = 0, _len = _ref.length; _i < _len; _i++) {
              opt = _ref[_i];
              if (!(opt)) {
                continue;
              }
              o = $(opt.toHTML());
              _ref1 = this.values;
              for (_j = 0, _len1 = _ref1.length; _j < _len1; _j++) {
                k = _ref1[_j];
                if (k.toString() === opt.value.toString()) {
                  o.attr('selected', 'selected');
                }
              }
              o.appendTo(el);
            }
          }
          break;
        case 'text-multi':
        case 'jid-multi':
          el = $("<textarea>");
          txt = ((function() {
            var _k, _len2, _ref2, _results;
            _ref2 = this.values;
            _results = [];
            for (_k = 0, _len2 = _ref2.length; _k < _len2; _k++) {
              line = _ref2[_k];
              _results.push(line);
            }
            return _results;
          }).call(this)).join('\n');
          if (txt) {
            el.text(txt);
          }
          break;
        case 'text-single':
        case 'boolean':
        case 'text-private':
        case 'hidden':
        case 'fixed':
        case 'jid-single':
          el = $("<input>");
          if (this.values) {
            el.val(this.values[0]);
          }
          switch (this.type.toLowerCase()) {
            case 'text-single':
              el.attr('type', 'text');
              el.attr('placeholder', this.desc);
              break;
            case 'boolean':
              el.attr('type', 'checkbox');
              val = (_ref2 = this.values[0]) != null ? typeof _ref2.toString === "function" ? _ref2.toString() : void 0 : void 0;
              if (val && (val === "true" || val === "1")) {
                el.attr('checked', 'checked');
              }
              break;
            case 'text-private':
              el.attr('type', 'password');
              break;
            case 'hidden':
              el.attr('type', 'hidden');
              break;
            case 'fixed':
              el.attr('type', 'text').attr('readonly', 'readonly');
              break;
            case 'jid-single':
              el.attr('type', 'email');
          }
          break;
        default:
          el = $("<input type='text'>");
      }
      el.attr('name', this["var"]);
      if (this.required) {
        el.attr('required', this.required);
      }
      return el[0];
    };

    Field.fromXML = function(xml) {
      var o, v;
      xml = $(xml);
      return new Field({
        type: xml.attr("type"),
        "var": xml.attr("var"),
        label: xml.attr("label"),
        desc: xml.find("desc").text(),
        required: xml.find("required").length === 1,
        values: (function() {
          var _i, _len, _ref, _results;
          _ref = xml.find(">value");
          _results = [];
          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
            v = _ref[_i];
            _results.push(($(v)).text());
          }
          return _results;
        })(),
        options: (function() {
          var _i, _len, _ref, _results;
          _ref = xml.find("option");
          _results = [];
          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
            o = _ref[_i];
            _results.push(Option.fromXML(o));
          }
          return _results;
        })()
      });
    };

    Field._htmlElementToFieldType = function(el) {
      var r, type;
      el = $(el);
      switch (el[0].nodeName.toLowerCase()) {
        case "textarea":
          type = "text-multi";
          break;
        case "select":
          if (el.attr("multiple") === "multiple") {
            type = "list-multi";
          } else {
            type = "list-single";
          }
          break;
        case "input":
          switch (el.attr("type")) {
            case "checkbox":
              type = "boolean";
              break;
            case "email":
              type = "jid-single";
              break;
            case "hidden":
              type = "hidden";
              break;
            case "password":
              type = "text-private";
              break;
            case "text":
              r = el.attr("readonly") === "readonly";
              if (r) {
                type = "fixed";
              } else {
                type = "text-single";
              }
          }
      }
      return type;
    };

    Field.fromHTML = function(html) {
      var el, f, txt, type;
      html = $(html);
      type = Field._htmlElementToFieldType(html);
      f = new Field({
        type: type,
        "var": html.attr("name"),
        required: html.attr("required") === "required"
      });
      switch (type) {
        case "list-multi":
        case "list-single":
          f.values = (function() {
            var _i, _len, _ref, _results;
            _ref = html.find("option:selected");
            _results = [];
            for (_i = 0, _len = _ref.length; _i < _len; _i++) {
              el = _ref[_i];
              _results.push(($(el)).val());
            }
            return _results;
          })();
          f.options = (function() {
            var _i, _len, _ref, _results;
            _ref = html.find("option");
            _results = [];
            for (_i = 0, _len = _ref.length; _i < _len; _i++) {
              el = _ref[_i];
              _results.push(Option.fromHTML(el));
            }
            return _results;
          })();
          break;
        case "text-multi":
        case "jid-multi":
          txt = html.text();
          if (txt.trim() !== "") {
            f.values = txt.split('\n');
          }
          break;
        case 'text-single':
        case 'boolean':
        case 'text-private':
        case 'hidden':
        case 'fixed':
        case 'jid-single':
          if (html.val().trim() !== "") {
            f.values = [html.val()];
          }
      }
      return f;
    };

    return Field;

  })();

  Option = (function() {
    function Option(opt) {
      this.toHTML = __bind(this.toHTML, this);
      this.toJSON = __bind(this.toJSON, this);
      this.toXML = __bind(this.toXML, this);
      if (opt) {
        if (opt.label) {
          this.label = opt.label.toString();
        }
        if (opt.value) {
          this.value = opt.value.toString();
        }
      }
    }

    Option.prototype.label = "";

    Option.prototype.value = "";

    Option.prototype.toXML = function() {
      return $build("option", {
        label: this.label
      }).c("value").t(this.value.toString()).tree();
    };

    Option.prototype.toJSON = function() {
      return {
        label: this.label,
        value: this.value
      };
    };

    Option.prototype.toHTML = function() {
      return ($("<option>")).attr('value', this.value).text(this.label || this.value)[0];
    };

    Option.fromXML = function(xml) {
      return new Option({
        label: ($(xml)).attr("label"),
        value: ($(xml)).text()
      });
    };

    Option.fromHTML = function(html) {
      return new Option({
        value: ($(html)).attr("value"),
        label: ($(html)).text()
      });
    };

    return Option;

  })();

  Item = (function() {
    function Item(opts) {
      this.toHTML = __bind(this.toHTML, this);
      this.toJSON = __bind(this.toJSON, this);
      this.toXML = __bind(this.toXML, this);
      this.fields = [];
      if (opts != null ? opts.fields : void 0) {
        helper.fill(opts.fields, this.fields, Field);
      }
    }

    Item.prototype.toXML = function() {
      var f, xml, _i, _len, _ref;
      xml = $build("item");
      _ref = this.fields;
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        f = _ref[_i];
        xml.cnode(f.toXML()).up();
      }
      return xml.tree();
    };

    Item.prototype.toJSON = function() {
      var f, json, _i, _len, _ref;
      json = {};
      if (this.fields) {
        json.fields = [];
        _ref = this.fields;
        for (_i = 0, _len = _ref.length; _i < _len; _i++) {
          f = _ref[_i];
          json.fields.push(f.toJSON());
        }
      }
      return json;
    };

    Item.prototype.toHTML = function() {
      var f, fieldset, _i, _len, _ref;
      fieldset = $("<fieldset>");
      _ref = this.fields;
      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
        f = _ref[_i];
        (helper.createHtmlFieldCouple(f)).appendTo(fieldset);
      }
      return fieldset[0];
    };

    Item.fromXML = function(xml) {
      var f, fields;
      xml = $(xml);
      fields = xml.find("field");
      return new Item({
        fields: (function() {
          var _i, _len, _results;
          _results = [];
          for (_i = 0, _len = fields.length; _i < _len; _i++) {
            f = fields[_i];
            _results.push(Field.fromXML(f));
          }
          return _results;
        })()
      });
    };

    Item.fromHTML = function(html) {
      var f;
      return new Item({
        fields: (function() {
          var _i, _len, _ref, _results;
          _ref = helper.getHtmlFields(html);
          _results = [];
          for (_i = 0, _len = _ref.length; _i < _len; _i++) {
            f = _ref[_i];
            _results.push(Field.fromHTML(f));
          }
          return _results;
        })()
      });
    };

    return Item;

  })();

  Strophe.x = {
    Form: Form,
    Field: Field,
    Option: Option,
    Item: Item
  };

  $form = function(opt) {
    return new Strophe.x.Form(opt);
  };

  $field = function(opt) {
    return new Strophe.x.Field(opt);
  };

  $opt = function(opt) {
    return new Strophe.x.Option(opt);
  };

  $item = function(opts) {
    return new Strophe.x.Item(opts);
  };

  Strophe.addConnectionPlugin('x', {
    init: function(conn) {
      var _ref, _ref1;
      Strophe.addNamespace('DATA', 'jabber:x:data');
      if (((_ref = conn.disco) != null ? _ref.addFeature : void 0) != null) {
        conn.disco.addFeature(Strophe.NS.DATA);
      }
      if (((_ref1 = conn.disco) != null ? _ref1.addNode : void 0) != null) {
        return conn.disco.addNode(Strophe.NS.DATA, {
          items: []
        });
      }
    },
    parseFromResult: function(result) {
      var _ref;
      if (result.nodeName.toLowerCase() === "x") {
        return Form.fromXML(result);
      } else {
        return Form.fromXML((_ref = ($(result)).find("x")) != null ? _ref[0] : void 0);
      }
    }
  });

}).call(this);


/*!
 * Source: lib/strophe.jinglejs/strophe.jinglejs-bundle.js, license: MIT, url: https://github.com/sualko/strophe.jinglejs
 */
/*!
 * strophe.jinglejs v0.1.1 - 2015-11-27
 * 
 * Copyright (c) 2015 Klaus Herberth <klaus@jsxc.org> <br>
 * Released under the MIT license
 * 
 * Please see https://github.com/sualko/strophe.jinglejs/
 * 
 * @author Klaus Herberth <klaus@jsxc.org>
 * @version 0.1.1
 * @license MIT
 */

(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){

},{}],2:[function(require,module,exports){
(function (global){
/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
 * @license  MIT
 */
/* eslint-disable no-proto */

var base64 = require('base64-js')
var ieee754 = require('ieee754')
var isArray = require('is-array')

exports.Buffer = Buffer
exports.SlowBuffer = SlowBuffer
exports.INSPECT_MAX_BYTES = 50
Buffer.poolSize = 8192 // not used by this implementation

var rootParent = {}

/**
 * If `Buffer.TYPED_ARRAY_SUPPORT`:
 *   === true    Use Uint8Array implementation (fastest)
 *   === false   Use Object implementation (most compatible, even IE6)
 *
 * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
 * Opera 11.6+, iOS 4.2+.
 *
 * Due to various browser bugs, sometimes the Object implementation will be used even
 * when the browser supports typed arrays.
 *
 * Note:
 *
 *   - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
 *     See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
 *
 *   - Safari 5-7 lacks support for changing the `Object.prototype.constructor` property
 *     on objects.
 *
 *   - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
 *
 *   - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
 *     incorrect length in some situations.

 * We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
 * get the Object implementation, which is slower but behaves correctly.
 */
Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
  ? global.TYPED_ARRAY_SUPPORT
  : typedArraySupport()

function typedArraySupport () {
  function Bar () {}
  try {
    var arr = new Uint8Array(1)
    arr.foo = function () { return 42 }
    arr.constructor = Bar
    return arr.foo() === 42 && // typed array instances can be augmented
        arr.constructor === Bar && // constructor can be set
        typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
        arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
  } catch (e) {
    return false
  }
}

function kMaxLength () {
  return Buffer.TYPED_ARRAY_SUPPORT
    ? 0x7fffffff
    : 0x3fffffff
}

/**
 * Class: Buffer
 * =============
 *
 * The Buffer constructor returns instances of `Uint8Array` that are augmented
 * with function properties for all the node `Buffer` API functions. We use
 * `Uint8Array` so that square bracket notation works as expected -- it returns
 * a single octet.
 *
 * By augmenting the instances, we can avoid modifying the `Uint8Array`
 * prototype.
 */
function Buffer (arg) {
  if (!(this instanceof Buffer)) {
    // Avoid going through an ArgumentsAdaptorTrampoline in the common case.
    if (arguments.length > 1) return new Buffer(arg, arguments[1])
    return new Buffer(arg)
  }

  this.length = 0
  this.parent = undefined

  // Common case.
  if (typeof arg === 'number') {
    return fromNumber(this, arg)
  }

  // Slightly less common case.
  if (typeof arg === 'string') {
    return fromString(this, arg, arguments.length > 1 ? arguments[1] : 'utf8')
  }

  // Unusual.
  return fromObject(this, arg)
}

function fromNumber (that, length) {
  that = allocate(that, length < 0 ? 0 : checked(length) | 0)
  if (!Buffer.TYPED_ARRAY_SUPPORT) {
    for (var i = 0; i < length; i++) {
      that[i] = 0
    }
  }
  return that
}

function fromString (that, string, encoding) {
  if (typeof encoding !== 'string' || encoding === '') encoding = 'utf8'

  // Assumption: byteLength() return value is always < kMaxLength.
  var length = byteLength(string, encoding) | 0
  that = allocate(that, length)

  that.write(string, encoding)
  return that
}

function fromObject (that, object) {
  if (Buffer.isBuffer(object)) return fromBuffer(that, object)

  if (isArray(object)) return fromArray(that, object)

  if (object == null) {
    throw new TypeError('must start with number, buffer, array or string')
  }

  if (typeof ArrayBuffer !== 'undefined') {
    if (object.buffer instanceof ArrayBuffer) {
      return fromTypedArray(that, object)
    }
    if (object instanceof ArrayBuffer) {
      return fromArrayBuffer(that, object)
    }
  }

  if (object.length) return fromArrayLike(that, object)

  return fromJsonObject(that, object)
}

function fromBuffer (that, buffer) {
  var length = checked(buffer.length) | 0
  that = allocate(that, length)
  buffer.copy(that, 0, 0, length)
  return that
}

function fromArray (that, array) {
  var length = checked(array.length) | 0
  that = allocate(that, length)
  for (var i = 0; i < length; i += 1) {
    that[i] = array[i] & 255
  }
  return that
}

// Duplicate of fromArray() to keep fromArray() monomorphic.
function fromTypedArray (that, array) {
  var length = checked(array.length) | 0
  that = allocate(that, length)
  // Truncating the elements is probably not what people expect from typed
  // arrays with BYTES_PER_ELEMENT > 1 but it's compatible with the behavior
  // of the old Buffer constructor.
  for (var i = 0; i < length; i += 1) {
    that[i] = array[i] & 255
  }
  return that
}

function fromArrayBuffer (that, array) {
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    // Return an augmented `Uint8Array` instance, for best performance
    array.byteLength
    that = Buffer._augment(new Uint8Array(array))
  } else {
    // Fallback: Return an object instance of the Buffer class
    that = fromTypedArray(that, new Uint8Array(array))
  }
  return that
}

function fromArrayLike (that, array) {
  var length = checked(array.length) | 0
  that = allocate(that, length)
  for (var i = 0; i < length; i += 1) {
    that[i] = array[i] & 255
  }
  return that
}

// Deserialize { type: 'Buffer', data: [1,2,3,...] } into a Buffer object.
// Returns a zero-length buffer for inputs that don't conform to the spec.
function fromJsonObject (that, object) {
  var array
  var length = 0

  if (object.type === 'Buffer' && isArray(object.data)) {
    array = object.data
    length = checked(array.length) | 0
  }
  that = allocate(that, length)

  for (var i = 0; i < length; i += 1) {
    that[i] = array[i] & 255
  }
  return that
}

if (Buffer.TYPED_ARRAY_SUPPORT) {
  Buffer.prototype.__proto__ = Uint8Array.prototype
  Buffer.__proto__ = Uint8Array
}

function allocate (that, length) {
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    // Return an augmented `Uint8Array` instance, for best performance
    that = Buffer._augment(new Uint8Array(length))
    that.__proto__ = Buffer.prototype
  } else {
    // Fallback: Return an object instance of the Buffer class
    that.length = length
    that._isBuffer = true
  }

  var fromPool = length !== 0 && length <= Buffer.poolSize >>> 1
  if (fromPool) that.parent = rootParent

  return that
}

function checked (length) {
  // Note: cannot use `length < kMaxLength` here because that fails when
  // length is NaN (which is otherwise coerced to zero.)
  if (length >= kMaxLength()) {
    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
                         'size: 0x' + kMaxLength().toString(16) + ' bytes')
  }
  return length | 0
}

function SlowBuffer (subject, encoding) {
  if (!(this instanceof SlowBuffer)) return new SlowBuffer(subject, encoding)

  var buf = new Buffer(subject, encoding)
  delete buf.parent
  return buf
}

Buffer.isBuffer = function isBuffer (b) {
  return !!(b != null && b._isBuffer)
}

Buffer.compare = function compare (a, b) {
  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
    throw new TypeError('Arguments must be Buffers')
  }

  if (a === b) return 0

  var x = a.length
  var y = b.length

  var i = 0
  var len = Math.min(x, y)
  while (i < len) {
    if (a[i] !== b[i]) break

    ++i
  }

  if (i !== len) {
    x = a[i]
    y = b[i]
  }

  if (x < y) return -1
  if (y < x) return 1
  return 0
}

Buffer.isEncoding = function isEncoding (encoding) {
  switch (String(encoding).toLowerCase()) {
    case 'hex':
    case 'utf8':
    case 'utf-8':
    case 'ascii':
    case 'binary':
    case 'base64':
    case 'raw':
    case 'ucs2':
    case 'ucs-2':
    case 'utf16le':
    case 'utf-16le':
      return true
    default:
      return false
  }
}

Buffer.concat = function concat (list, length) {
  if (!isArray(list)) throw new TypeError('list argument must be an Array of Buffers.')

  if (list.length === 0) {
    return new Buffer(0)
  }

  var i
  if (length === undefined) {
    length = 0
    for (i = 0; i < list.length; i++) {
      length += list[i].length
    }
  }

  var buf = new Buffer(length)
  var pos = 0
  for (i = 0; i < list.length; i++) {
    var item = list[i]
    item.copy(buf, pos)
    pos += item.length
  }
  return buf
}

function byteLength (string, encoding) {
  if (typeof string !== 'string') string = '' + string

  var len = string.length
  if (len === 0) return 0

  // Use a for loop to avoid recursion
  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'ascii':
      case 'binary':
      // Deprecated
      case 'raw':
      case 'raws':
        return len
      case 'utf8':
      case 'utf-8':
        return utf8ToBytes(string).length
      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return len * 2
      case 'hex':
        return len >>> 1
      case 'base64':
        return base64ToBytes(string).length
      default:
        if (loweredCase) return utf8ToBytes(string).length // assume utf8
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}
Buffer.byteLength = byteLength

// pre-set for values that may exist in the future
Buffer.prototype.length = undefined
Buffer.prototype.parent = undefined

function slowToString (encoding, start, end) {
  var loweredCase = false

  start = start | 0
  end = end === undefined || end === Infinity ? this.length : end | 0

  if (!encoding) encoding = 'utf8'
  if (start < 0) start = 0
  if (end > this.length) end = this.length
  if (end <= start) return ''

  while (true) {
    switch (encoding) {
      case 'hex':
        return hexSlice(this, start, end)

      case 'utf8':
      case 'utf-8':
        return utf8Slice(this, start, end)

      case 'ascii':
        return asciiSlice(this, start, end)

      case 'binary':
        return binarySlice(this, start, end)

      case 'base64':
        return base64Slice(this, start, end)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return utf16leSlice(this, start, end)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = (encoding + '').toLowerCase()
        loweredCase = true
    }
  }
}

Buffer.prototype.toString = function toString () {
  var length = this.length | 0
  if (length === 0) return ''
  if (arguments.length === 0) return utf8Slice(this, 0, length)
  return slowToString.apply(this, arguments)
}

Buffer.prototype.equals = function equals (b) {
  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
  if (this === b) return true
  return Buffer.compare(this, b) === 0
}

Buffer.prototype.inspect = function inspect () {
  var str = ''
  var max = exports.INSPECT_MAX_BYTES
  if (this.length > 0) {
    str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
    if (this.length > max) str += ' ... '
  }
  return '<Buffer ' + str + '>'
}

Buffer.prototype.compare = function compare (b) {
  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
  if (this === b) return 0
  return Buffer.compare(this, b)
}

Buffer.prototype.indexOf = function indexOf (val, byteOffset) {
  if (byteOffset > 0x7fffffff) byteOffset = 0x7fffffff
  else if (byteOffset < -0x80000000) byteOffset = -0x80000000
  byteOffset >>= 0

  if (this.length === 0) return -1
  if (byteOffset >= this.length) return -1

  // Negative offsets start from the end of the buffer
  if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0)

  if (typeof val === 'string') {
    if (val.length === 0) return -1 // special case: looking for empty string always fails
    return String.prototype.indexOf.call(this, val, byteOffset)
  }
  if (Buffer.isBuffer(val)) {
    return arrayIndexOf(this, val, byteOffset)
  }
  if (typeof val === 'number') {
    if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') {
      return Uint8Array.prototype.indexOf.call(this, val, byteOffset)
    }
    return arrayIndexOf(this, [ val ], byteOffset)
  }

  function arrayIndexOf (arr, val, byteOffset) {
    var foundIndex = -1
    for (var i = 0; byteOffset + i < arr.length; i++) {
      if (arr[byteOffset + i] === val[foundIndex === -1 ? 0 : i - foundIndex]) {
        if (foundIndex === -1) foundIndex = i
        if (i - foundIndex + 1 === val.length) return byteOffset + foundIndex
      } else {
        foundIndex = -1
      }
    }
    return -1
  }

  throw new TypeError('val must be string, number or Buffer')
}

// `get` is deprecated
Buffer.prototype.get = function get (offset) {
  console.log('.get() is deprecated. Access using array indexes instead.')
  return this.readUInt8(offset)
}

// `set` is deprecated
Buffer.prototype.set = function set (v, offset) {
  console.log('.set() is deprecated. Access using array indexes instead.')
  return this.writeUInt8(v, offset)
}

function hexWrite (buf, string, offset, length) {
  offset = Number(offset) || 0
  var remaining = buf.length - offset
  if (!length) {
    length = remaining
  } else {
    length = Number(length)
    if (length > remaining) {
      length = remaining
    }
  }

  // must be an even number of digits
  var strLen = string.length
  if (strLen % 2 !== 0) throw new Error('Invalid hex string')

  if (length > strLen / 2) {
    length = strLen / 2
  }
  for (var i = 0; i < length; i++) {
    var parsed = parseInt(string.substr(i * 2, 2), 16)
    if (isNaN(parsed)) throw new Error('Invalid hex string')
    buf[offset + i] = parsed
  }
  return i
}

function utf8Write (buf, string, offset, length) {
  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
}

function asciiWrite (buf, string, offset, length) {
  return blitBuffer(asciiToBytes(string), buf, offset, length)
}

function binaryWrite (buf, string, offset, length) {
  return asciiWrite(buf, string, offset, length)
}

function base64Write (buf, string, offset, length) {
  return blitBuffer(base64ToBytes(string), buf, offset, length)
}

function ucs2Write (buf, string, offset, length) {
  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
}

Buffer.prototype.write = function write (string, offset, length, encoding) {
  // Buffer#write(string)
  if (offset === undefined) {
    encoding = 'utf8'
    length = this.length
    offset = 0
  // Buffer#write(string, encoding)
  } else if (length === undefined && typeof offset === 'string') {
    encoding = offset
    length = this.length
    offset = 0
  // Buffer#write(string, offset[, length][, encoding])
  } else if (isFinite(offset)) {
    offset = offset | 0
    if (isFinite(length)) {
      length = length | 0
      if (encoding === undefined) encoding = 'utf8'
    } else {
      encoding = length
      length = undefined
    }
  // legacy write(string, encoding, offset, length) - remove in v0.13
  } else {
    var swap = encoding
    encoding = offset
    offset = length | 0
    length = swap
  }

  var remaining = this.length - offset
  if (length === undefined || length > remaining) length = remaining

  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
    throw new RangeError('attempt to write outside buffer bounds')
  }

  if (!encoding) encoding = 'utf8'

  var loweredCase = false
  for (;;) {
    switch (encoding) {
      case 'hex':
        return hexWrite(this, string, offset, length)

      case 'utf8':
      case 'utf-8':
        return utf8Write(this, string, offset, length)

      case 'ascii':
        return asciiWrite(this, string, offset, length)

      case 'binary':
        return binaryWrite(this, string, offset, length)

      case 'base64':
        // Warning: maxLength not taken into account in base64Write
        return base64Write(this, string, offset, length)

      case 'ucs2':
      case 'ucs-2':
      case 'utf16le':
      case 'utf-16le':
        return ucs2Write(this, string, offset, length)

      default:
        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
        encoding = ('' + encoding).toLowerCase()
        loweredCase = true
    }
  }
}

Buffer.prototype.toJSON = function toJSON () {
  return {
    type: 'Buffer',
    data: Array.prototype.slice.call(this._arr || this, 0)
  }
}

function base64Slice (buf, start, end) {
  if (start === 0 && end === buf.length) {
    return base64.fromByteArray(buf)
  } else {
    return base64.fromByteArray(buf.slice(start, end))
  }
}

function utf8Slice (buf, start, end) {
  end = Math.min(buf.length, end)
  var res = []

  var i = start
  while (i < end) {
    var firstByte = buf[i]
    var codePoint = null
    var bytesPerSequence = (firstByte > 0xEF) ? 4
      : (firstByte > 0xDF) ? 3
      : (firstByte > 0xBF) ? 2
      : 1

    if (i + bytesPerSequence <= end) {
      var secondByte, thirdByte, fourthByte, tempCodePoint

      switch (bytesPerSequence) {
        case 1:
          if (firstByte < 0x80) {
            codePoint = firstByte
          }
          break
        case 2:
          secondByte = buf[i + 1]
          if ((secondByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
            if (tempCodePoint > 0x7F) {
              codePoint = tempCodePoint
            }
          }
          break
        case 3:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
              codePoint = tempCodePoint
            }
          }
          break
        case 4:
          secondByte = buf[i + 1]
          thirdByte = buf[i + 2]
          fourthByte = buf[i + 3]
          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
              codePoint = tempCodePoint
            }
          }
      }
    }

    if (codePoint === null) {
      // we did not generate a valid codePoint so insert a
      // replacement char (U+FFFD) and advance only 1 byte
      codePoint = 0xFFFD
      bytesPerSequence = 1
    } else if (codePoint > 0xFFFF) {
      // encode to utf16 (surrogate pair dance)
      codePoint -= 0x10000
      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
      codePoint = 0xDC00 | codePoint & 0x3FF
    }

    res.push(codePoint)
    i += bytesPerSequence
  }

  return decodeCodePointsArray(res)
}

// Based on http://stackoverflow.com/a/22747272/680742, the browser with
// the lowest limit is Chrome, with 0x10000 args.
// We go 1 magnitude less, for safety
var MAX_ARGUMENTS_LENGTH = 0x1000

function decodeCodePointsArray (codePoints) {
  var len = codePoints.length
  if (len <= MAX_ARGUMENTS_LENGTH) {
    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
  }

  // Decode in chunks to avoid "call stack size exceeded".
  var res = ''
  var i = 0
  while (i < len) {
    res += String.fromCharCode.apply(
      String,
      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
    )
  }
  return res
}

function asciiSlice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; i++) {
    ret += String.fromCharCode(buf[i] & 0x7F)
  }
  return ret
}

function binarySlice (buf, start, end) {
  var ret = ''
  end = Math.min(buf.length, end)

  for (var i = start; i < end; i++) {
    ret += String.fromCharCode(buf[i])
  }
  return ret
}

function hexSlice (buf, start, end) {
  var len = buf.length

  if (!start || start < 0) start = 0
  if (!end || end < 0 || end > len) end = len

  var out = ''
  for (var i = start; i < end; i++) {
    out += toHex(buf[i])
  }
  return out
}

function utf16leSlice (buf, start, end) {
  var bytes = buf.slice(start, end)
  var res = ''
  for (var i = 0; i < bytes.length; i += 2) {
    res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
  }
  return res
}

Buffer.prototype.slice = function slice (start, end) {
  var len = this.length
  start = ~~start
  end = end === undefined ? len : ~~end

  if (start < 0) {
    start += len
    if (start < 0) start = 0
  } else if (start > len) {
    start = len
  }

  if (end < 0) {
    end += len
    if (end < 0) end = 0
  } else if (end > len) {
    end = len
  }

  if (end < start) end = start

  var newBuf
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    newBuf = Buffer._augment(this.subarray(start, end))
  } else {
    var sliceLen = end - start
    newBuf = new Buffer(sliceLen, undefined)
    for (var i = 0; i < sliceLen; i++) {
      newBuf[i] = this[i + start]
    }
  }

  if (newBuf.length) newBuf.parent = this.parent || this

  return newBuf
}

/*
 * Need to make sure that buffer isn't trying to write out of bounds.
 */
function checkOffset (offset, ext, length) {
  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
}

Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }

  return val
}

Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) {
    checkOffset(offset, byteLength, this.length)
  }

  var val = this[offset + --byteLength]
  var mul = 1
  while (byteLength > 0 && (mul *= 0x100)) {
    val += this[offset + --byteLength] * mul
  }

  return val
}

Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 1, this.length)
  return this[offset]
}

Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  return this[offset] | (this[offset + 1] << 8)
}

Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  return (this[offset] << 8) | this[offset + 1]
}

Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return ((this[offset]) |
      (this[offset + 1] << 8) |
      (this[offset + 2] << 16)) +
      (this[offset + 3] * 0x1000000)
}

Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] * 0x1000000) +
    ((this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    this[offset + 3])
}

Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var val = this[offset]
  var mul = 1
  var i = 0
  while (++i < byteLength && (mul *= 0x100)) {
    val += this[offset + i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkOffset(offset, byteLength, this.length)

  var i = byteLength
  var mul = 1
  var val = this[offset + --i]
  while (i > 0 && (mul *= 0x100)) {
    val += this[offset + --i] * mul
  }
  mul *= 0x80

  if (val >= mul) val -= Math.pow(2, 8 * byteLength)

  return val
}

Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 1, this.length)
  if (!(this[offset] & 0x80)) return (this[offset])
  return ((0xff - this[offset] + 1) * -1)
}

Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset] | (this[offset + 1] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 2, this.length)
  var val = this[offset + 1] | (this[offset] << 8)
  return (val & 0x8000) ? val | 0xFFFF0000 : val
}

Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset]) |
    (this[offset + 1] << 8) |
    (this[offset + 2] << 16) |
    (this[offset + 3] << 24)
}

Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)

  return (this[offset] << 24) |
    (this[offset + 1] << 16) |
    (this[offset + 2] << 8) |
    (this[offset + 3])
}

Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, true, 23, 4)
}

Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 4, this.length)
  return ieee754.read(this, offset, false, 23, 4)
}

Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, true, 52, 8)
}

Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
  if (!noAssert) checkOffset(offset, 8, this.length)
  return ieee754.read(this, offset, false, 52, 8)
}

function checkInt (buf, value, offset, ext, max, min) {
  if (!Buffer.isBuffer(buf)) throw new TypeError('buffer must be a Buffer instance')
  if (value > max || value < min) throw new RangeError('value is out of bounds')
  if (offset + ext > buf.length) throw new RangeError('index out of range')
}

Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)

  var mul = 1
  var i = 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  byteLength = byteLength | 0
  if (!noAssert) checkInt(this, value, offset, byteLength, Math.pow(2, 8 * byteLength), 0)

  var i = byteLength - 1
  var mul = 1
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    this[offset + i] = (value / mul) & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
  this[offset] = (value & 0xff)
  return offset + 1
}

function objectWriteUInt16 (buf, value, offset, littleEndian) {
  if (value < 0) value = 0xffff + value + 1
  for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; i++) {
    buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
      (littleEndian ? i : 1 - i) * 8
  }
}

Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value & 0xff)
    this[offset + 1] = (value >>> 8)
  } else {
    objectWriteUInt16(this, value, offset, true)
  }
  return offset + 2
}

Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 8)
    this[offset + 1] = (value & 0xff)
  } else {
    objectWriteUInt16(this, value, offset, false)
  }
  return offset + 2
}

function objectWriteUInt32 (buf, value, offset, littleEndian) {
  if (value < 0) value = 0xffffffff + value + 1
  for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; i++) {
    buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
  }
}

Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset + 3] = (value >>> 24)
    this[offset + 2] = (value >>> 16)
    this[offset + 1] = (value >>> 8)
    this[offset] = (value & 0xff)
  } else {
    objectWriteUInt32(this, value, offset, true)
  }
  return offset + 4
}

Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 24)
    this[offset + 1] = (value >>> 16)
    this[offset + 2] = (value >>> 8)
    this[offset + 3] = (value & 0xff)
  } else {
    objectWriteUInt32(this, value, offset, false)
  }
  return offset + 4
}

Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) {
    var limit = Math.pow(2, 8 * byteLength - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = 0
  var mul = 1
  var sub = value < 0 ? 1 : 0
  this[offset] = value & 0xFF
  while (++i < byteLength && (mul *= 0x100)) {
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) {
    var limit = Math.pow(2, 8 * byteLength - 1)

    checkInt(this, value, offset, byteLength, limit - 1, -limit)
  }

  var i = byteLength - 1
  var mul = 1
  var sub = value < 0 ? 1 : 0
  this[offset + i] = value & 0xFF
  while (--i >= 0 && (mul *= 0x100)) {
    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
  }

  return offset + byteLength
}

Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
  if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
  if (value < 0) value = 0xff + value + 1
  this[offset] = (value & 0xff)
  return offset + 1
}

Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value & 0xff)
    this[offset + 1] = (value >>> 8)
  } else {
    objectWriteUInt16(this, value, offset, true)
  }
  return offset + 2
}

Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 8)
    this[offset + 1] = (value & 0xff)
  } else {
    objectWriteUInt16(this, value, offset, false)
  }
  return offset + 2
}

Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value & 0xff)
    this[offset + 1] = (value >>> 8)
    this[offset + 2] = (value >>> 16)
    this[offset + 3] = (value >>> 24)
  } else {
    objectWriteUInt32(this, value, offset, true)
  }
  return offset + 4
}

Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
  value = +value
  offset = offset | 0
  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
  if (value < 0) value = 0xffffffff + value + 1
  if (Buffer.TYPED_ARRAY_SUPPORT) {
    this[offset] = (value >>> 24)
    this[offset + 1] = (value >>> 16)
    this[offset + 2] = (value >>> 8)
    this[offset + 3] = (value & 0xff)
  } else {
    objectWriteUInt32(this, value, offset, false)
  }
  return offset + 4
}

function checkIEEE754 (buf, value, offset, ext, max, min) {
  if (value > max || value < min) throw new RangeError('value is out of bounds')
  if (offset + ext > buf.length) throw new RangeError('index out of range')
  if (offset < 0) throw new RangeError('index out of range')
}

function writeFloat (buf, value, offset, littleEndian, noAssert) {
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
  }
  ieee754.write(buf, value, offset, littleEndian, 23, 4)
  return offset + 4
}

Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
  return writeFloat(this, value, offset, true, noAssert)
}

Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
  return writeFloat(this, value, offset, false, noAssert)
}

function writeDouble (buf, value, offset, littleEndian, noAssert) {
  if (!noAssert) {
    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
  }
  ieee754.write(buf, value, offset, littleEndian, 52, 8)
  return offset + 8
}

Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
  return writeDouble(this, value, offset, true, noAssert)
}

Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
  return writeDouble(this, value, offset, false, noAssert)
}

// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
  if (!start) start = 0
  if (!end && end !== 0) end = this.length
  if (targetStart >= target.length) targetStart = target.length
  if (!targetStart) targetStart = 0
  if (end > 0 && end < start) end = start

  // Copy 0 bytes; we're done
  if (end === start) return 0
  if (target.length === 0 || this.length === 0) return 0

  // Fatal error conditions
  if (targetStart < 0) {
    throw new RangeError('targetStart out of bounds')
  }
  if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
  if (end < 0) throw new RangeError('sourceEnd out of bounds')

  // Are we oob?
  if (end > this.length) end = this.length
  if (target.length - targetStart < end - start) {
    end = target.length - targetStart + start
  }

  var len = end - start
  var i

  if (this === target && start < targetStart && targetStart < end) {
    // descending copy from end
    for (i = len - 1; i >= 0; i--) {
      target[i + targetStart] = this[i + start]
    }
  } else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
    // ascending copy from start
    for (i = 0; i < len; i++) {
      target[i + targetStart] = this[i + start]
    }
  } else {
    target._set(this.subarray(start, start + len), targetStart)
  }

  return len
}

// fill(value, start=0, end=buffer.length)
Buffer.prototype.fill = function fill (value, start, end) {
  if (!value) value = 0
  if (!start) start = 0
  if (!end) end = this.length

  if (end < start) throw new RangeError('end < start')

  // Fill 0 bytes; we're done
  if (end === start) return
  if (this.length === 0) return

  if (start < 0 || start >= this.length) throw new RangeError('start out of bounds')
  if (end < 0 || end > this.length) throw new RangeError('end out of bounds')

  var i
  if (typeof value === 'number') {
    for (i = start; i < end; i++) {
      this[i] = value
    }
  } else {
    var bytes = utf8ToBytes(value.toString())
    var len = bytes.length
    for (i = start; i < end; i++) {
      this[i] = bytes[i % len]
    }
  }

  return this
}

/**
 * Creates a new `ArrayBuffer` with the *copied* memory of the buffer instance.
 * Added in Node 0.12. Only available in browsers that support ArrayBuffer.
 */
Buffer.prototype.toArrayBuffer = function toArrayBuffer () {
  if (typeof Uint8Array !== 'undefined') {
    if (Buffer.TYPED_ARRAY_SUPPORT) {
      return (new Buffer(this)).buffer
    } else {
      var buf = new Uint8Array(this.length)
      for (var i = 0, len = buf.length; i < len; i += 1) {
        buf[i] = this[i]
      }
      return buf.buffer
    }
  } else {
    throw new TypeError('Buffer.toArrayBuffer not supported in this browser')
  }
}

// HELPER FUNCTIONS
// ================

var BP = Buffer.prototype

/**
 * Augment a Uint8Array *instance* (not the Uint8Array class!) with Buffer methods
 */
Buffer._augment = function _augment (arr) {
  arr.constructor = Buffer
  arr._isBuffer = true

  // save reference to original Uint8Array set method before overwriting
  arr._set = arr.set

  // deprecated
  arr.get = BP.get
  arr.set = BP.set

  arr.write = BP.write
  arr.toString = BP.toString
  arr.toLocaleString = BP.toString
  arr.toJSON = BP.toJSON
  arr.equals = BP.equals
  arr.compare = BP.compare
  arr.indexOf = BP.indexOf
  arr.copy = BP.copy
  arr.slice = BP.slice
  arr.readUIntLE = BP.readUIntLE
  arr.readUIntBE = BP.readUIntBE
  arr.readUInt8 = BP.readUInt8
  arr.readUInt16LE = BP.readUInt16LE
  arr.readUInt16BE = BP.readUInt16BE
  arr.readUInt32LE = BP.readUInt32LE
  arr.readUInt32BE = BP.readUInt32BE
  arr.readIntLE = BP.readIntLE
  arr.readIntBE = BP.readIntBE
  arr.readInt8 = BP.readInt8
  arr.readInt16LE = BP.readInt16LE
  arr.readInt16BE = BP.readInt16BE
  arr.readInt32LE = BP.readInt32LE
  arr.readInt32BE = BP.readInt32BE
  arr.readFloatLE = BP.readFloatLE
  arr.readFloatBE = BP.readFloatBE
  arr.readDoubleLE = BP.readDoubleLE
  arr.readDoubleBE = BP.readDoubleBE
  arr.writeUInt8 = BP.writeUInt8
  arr.writeUIntLE = BP.writeUIntLE
  arr.writeUIntBE = BP.writeUIntBE
  arr.writeUInt16LE = BP.writeUInt16LE
  arr.writeUInt16BE = BP.writeUInt16BE
  arr.writeUInt32LE = BP.writeUInt32LE
  arr.writeUInt32BE = BP.writeUInt32BE
  arr.writeIntLE = BP.writeIntLE
  arr.writeIntBE = BP.writeIntBE
  arr.writeInt8 = BP.writeInt8
  arr.writeInt16LE = BP.writeInt16LE
  arr.writeInt16BE = BP.writeInt16BE
  arr.writeInt32LE = BP.writeInt32LE
  arr.writeInt32BE = BP.writeInt32BE
  arr.writeFloatLE = BP.writeFloatLE
  arr.writeFloatBE = BP.writeFloatBE
  arr.writeDoubleLE = BP.writeDoubleLE
  arr.writeDoubleBE = BP.writeDoubleBE
  arr.fill = BP.fill
  arr.inspect = BP.inspect
  arr.toArrayBuffer = BP.toArrayBuffer

  return arr
}

var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g

function base64clean (str) {
  // Node strips out invalid characters like \n and \t from the string, base64-js does not
  str = stringtrim(str).replace(INVALID_BASE64_RE, '')
  // Node converts strings with length < 2 to ''
  if (str.length < 2) return ''
  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
  while (str.length % 4 !== 0) {
    str = str + '='
  }
  return str
}

function stringtrim (str) {
  if (str.trim) return str.trim()
  return str.replace(/^\s+|\s+$/g, '')
}

function toHex (n) {
  if (n < 16) return '0' + n.toString(16)
  return n.toString(16)
}

function utf8ToBytes (string, units) {
  units = units || Infinity
  var codePoint
  var length = string.length
  var leadSurrogate = null
  var bytes = []

  for (var i = 0; i < length; i++) {
    codePoint = string.charCodeAt(i)

    // is surrogate component
    if (codePoint > 0xD7FF && codePoint < 0xE000) {
      // last char was a lead
      if (!leadSurrogate) {
        // no lead yet
        if (codePoint > 0xDBFF) {
          // unexpected trail
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        } else if (i + 1 === length) {
          // unpaired lead
          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
          continue
        }

        // valid lead
        leadSurrogate = codePoint

        continue
      }

      // 2 leads in a row
      if (codePoint < 0xDC00) {
        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
        leadSurrogate = codePoint
        continue
      }

      // valid surrogate pair
      codePoint = leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00 | 0x10000
    } else if (leadSurrogate) {
      // valid bmp char, but last char was a lead
      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
    }

    leadSurrogate = null

    // encode utf8
    if (codePoint < 0x80) {
      if ((units -= 1) < 0) break
      bytes.push(codePoint)
    } else if (codePoint < 0x800) {
      if ((units -= 2) < 0) break
      bytes.push(
        codePoint >> 0x6 | 0xC0,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x10000) {
      if ((units -= 3) < 0) break
      bytes.push(
        codePoint >> 0xC | 0xE0,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else if (codePoint < 0x110000) {
      if ((units -= 4) < 0) break
      bytes.push(
        codePoint >> 0x12 | 0xF0,
        codePoint >> 0xC & 0x3F | 0x80,
        codePoint >> 0x6 & 0x3F | 0x80,
        codePoint & 0x3F | 0x80
      )
    } else {
      throw new Error('Invalid code point')
    }
  }

  return bytes
}

function asciiToBytes (str) {
  var byteArray = []
  for (var i = 0; i < str.length; i++) {
    // Node's code seems to be doing this and not & 0x7F..
    byteArray.push(str.charCodeAt(i) & 0xFF)
  }
  return byteArray
}

function utf16leToBytes (str, units) {
  var c, hi, lo
  var byteArray = []
  for (var i = 0; i < str.length; i++) {
    if ((units -= 2) < 0) break

    c = str.charCodeAt(i)
    hi = c >> 8
    lo = c % 256
    byteArray.push(lo)
    byteArray.push(hi)
  }

  return byteArray
}

function base64ToBytes (str) {
  return base64.toByteArray(base64clean(str))
}

function blitBuffer (src, dst, offset, length) {
  for (var i = 0; i < length; i++) {
    if ((i + offset >= dst.length) || (i >= src.length)) break
    dst[i + offset] = src[i]
  }
  return i
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"base64-js":3,"ieee754":4,"is-array":5}],3:[function(require,module,exports){
var lookup = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';

;(function (exports) {
	'use strict';

  var Arr = (typeof Uint8Array !== 'undefined')
    ? Uint8Array
    : Array

	var PLUS   = '+'.charCodeAt(0)
	var SLASH  = '/'.charCodeAt(0)
	var NUMBER = '0'.charCodeAt(0)
	var LOWER  = 'a'.charCodeAt(0)
	var UPPER  = 'A'.charCodeAt(0)
	var PLUS_URL_SAFE = '-'.charCodeAt(0)
	var SLASH_URL_SAFE = '_'.charCodeAt(0)

	function decode (elt) {
		var code = elt.charCodeAt(0)
		if (code === PLUS ||
		    code === PLUS_URL_SAFE)
			return 62 // '+'
		if (code === SLASH ||
		    code === SLASH_URL_SAFE)
			return 63 // '/'
		if (code < NUMBER)
			return -1 //no match
		if (code < NUMBER + 10)
			return code - NUMBER + 26 + 26
		if (code < UPPER + 26)
			return code - UPPER
		if (code < LOWER + 26)
			return code - LOWER + 26
	}

	function b64ToByteArray (b64) {
		var i, j, l, tmp, placeHolders, arr

		if (b64.length % 4 > 0) {
			throw new Error('Invalid string. Length must be a multiple of 4')
		}

		// the number of equal signs (place holders)
		// if there are two placeholders, than the two characters before it
		// represent one byte
		// if there is only one, then the three characters before it represent 2 bytes
		// this is just a cheap hack to not do indexOf twice
		var len = b64.length
		placeHolders = '=' === b64.charAt(len - 2) ? 2 : '=' === b64.charAt(len - 1) ? 1 : 0

		// base64 is 4/3 + up to two characters of the original data
		arr = new Arr(b64.length * 3 / 4 - placeHolders)

		// if there are placeholders, only get up to the last complete 4 chars
		l = placeHolders > 0 ? b64.length - 4 : b64.length

		var L = 0

		function push (v) {
			arr[L++] = v
		}

		for (i = 0, j = 0; i < l; i += 4, j += 3) {
			tmp = (decode(b64.charAt(i)) << 18) | (decode(b64.charAt(i + 1)) << 12) | (decode(b64.charAt(i + 2)) << 6) | decode(b64.charAt(i + 3))
			push((tmp & 0xFF0000) >> 16)
			push((tmp & 0xFF00) >> 8)
			push(tmp & 0xFF)
		}

		if (placeHolders === 2) {
			tmp = (decode(b64.charAt(i)) << 2) | (decode(b64.charAt(i + 1)) >> 4)
			push(tmp & 0xFF)
		} else if (placeHolders === 1) {
			tmp = (decode(b64.charAt(i)) << 10) | (decode(b64.charAt(i + 1)) << 4) | (decode(b64.charAt(i + 2)) >> 2)
			push((tmp >> 8) & 0xFF)
			push(tmp & 0xFF)
		}

		return arr
	}

	function uint8ToBase64 (uint8) {
		var i,
			extraBytes = uint8.length % 3, // if we have 1 byte left, pad 2 bytes
			output = "",
			temp, length

		function encode (num) {
			return lookup.charAt(num)
		}

		function tripletToBase64 (num) {
			return encode(num >> 18 & 0x3F) + encode(num >> 12 & 0x3F) + encode(num >> 6 & 0x3F) + encode(num & 0x3F)
		}

		// go through the array every three bytes, we'll deal with trailing stuff later
		for (i = 0, length = uint8.length - extraBytes; i < length; i += 3) {
			temp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
			output += tripletToBase64(temp)
		}

		// pad the end with zeros, but make sure to not forget the extra bytes
		switch (extraBytes) {
			case 1:
				temp = uint8[uint8.length - 1]
				output += encode(temp >> 2)
				output += encode((temp << 4) & 0x3F)
				output += '=='
				break
			case 2:
				temp = (uint8[uint8.length - 2] << 8) + (uint8[uint8.length - 1])
				output += encode(temp >> 10)
				output += encode((temp >> 4) & 0x3F)
				output += encode((temp << 2) & 0x3F)
				output += '='
				break
		}

		return output
	}

	exports.toByteArray = b64ToByteArray
	exports.fromByteArray = uint8ToBase64
}(typeof exports === 'undefined' ? (this.base64js = {}) : exports))

},{}],4:[function(require,module,exports){
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
  var e, m
  var eLen = nBytes * 8 - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var nBits = -7
  var i = isLE ? (nBytes - 1) : 0
  var d = isLE ? -1 : 1
  var s = buffer[offset + i]

  i += d

  e = s & ((1 << (-nBits)) - 1)
  s >>= (-nBits)
  nBits += eLen
  for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}

  m = e & ((1 << (-nBits)) - 1)
  e >>= (-nBits)
  nBits += mLen
  for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}

  if (e === 0) {
    e = 1 - eBias
  } else if (e === eMax) {
    return m ? NaN : ((s ? -1 : 1) * Infinity)
  } else {
    m = m + Math.pow(2, mLen)
    e = e - eBias
  }
  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
}

exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
  var e, m, c
  var eLen = nBytes * 8 - mLen - 1
  var eMax = (1 << eLen) - 1
  var eBias = eMax >> 1
  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
  var i = isLE ? 0 : (nBytes - 1)
  var d = isLE ? 1 : -1
  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0

  value = Math.abs(value)

  if (isNaN(value) || value === Infinity) {
    m = isNaN(value) ? 1 : 0
    e = eMax
  } else {
    e = Math.floor(Math.log(value) / Math.LN2)
    if (value * (c = Math.pow(2, -e)) < 1) {
      e--
      c *= 2
    }
    if (e + eBias >= 1) {
      value += rt / c
    } else {
      value += rt * Math.pow(2, 1 - eBias)
    }
    if (value * c >= 2) {
      e++
      c /= 2
    }

    if (e + eBias >= eMax) {
      m = 0
      e = eMax
    } else if (e + eBias >= 1) {
      m = (value * c - 1) * Math.pow(2, mLen)
      e = e + eBias
    } else {
      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
      e = 0
    }
  }

  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}

  e = (e << mLen) | m
  eLen += mLen
  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}

  buffer[offset + i - d] |= s * 128
}

},{}],5:[function(require,module,exports){

/**
 * isArray
 */

var isArray = Array.isArray;

/**
 * toString
 */

var str = Object.prototype.toString;

/**
 * Whether or not the given `val`
 * is an array.
 *
 * example:
 *
 *        isArray([]);
 *        // > true
 *        isArray(arguments);
 *        // > false
 *        isArray('');
 *        // > false
 *
 * @param {mixed} val
 * @return {bool}
 */

module.exports = isArray || function (val) {
  return !! val && '[object Array]' == str.call(val);
};

},{}],6:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

function EventEmitter() {
  this._events = this._events || {};
  this._maxListeners = this._maxListeners || undefined;
}
module.exports = EventEmitter;

// Backwards-compat with node 0.10.x
EventEmitter.EventEmitter = EventEmitter;

EventEmitter.prototype._events = undefined;
EventEmitter.prototype._maxListeners = undefined;

// By default EventEmitters will print a warning if more than 10 listeners are
// added to it. This is a useful default which helps finding memory leaks.
EventEmitter.defaultMaxListeners = 10;

// Obviously not all Emitters should be limited to 10. This function allows
// that to be increased. Set to zero for unlimited.
EventEmitter.prototype.setMaxListeners = function(n) {
  if (!isNumber(n) || n < 0 || isNaN(n))
    throw TypeError('n must be a positive number');
  this._maxListeners = n;
  return this;
};

EventEmitter.prototype.emit = function(type) {
  var er, handler, len, args, i, listeners;

  if (!this._events)
    this._events = {};

  // If there is no 'error' event listener then throw.
  if (type === 'error') {
    if (!this._events.error ||
        (isObject(this._events.error) && !this._events.error.length)) {
      er = arguments[1];
      if (er instanceof Error) {
        throw er; // Unhandled 'error' event
      }
      throw TypeError('Uncaught, unspecified "error" event.');
    }
  }

  handler = this._events[type];

  if (isUndefined(handler))
    return false;

  if (isFunction(handler)) {
    switch (arguments.length) {
      // fast cases
      case 1:
        handler.call(this);
        break;
      case 2:
        handler.call(this, arguments[1]);
        break;
      case 3:
        handler.call(this, arguments[1], arguments[2]);
        break;
      // slower
      default:
        len = arguments.length;
        args = new Array(len - 1);
        for (i = 1; i < len; i++)
          args[i - 1] = arguments[i];
        handler.apply(this, args);
    }
  } else if (isObject(handler)) {
    len = arguments.length;
    args = new Array(len - 1);
    for (i = 1; i < len; i++)
      args[i - 1] = arguments[i];

    listeners = handler.slice();
    len = listeners.length;
    for (i = 0; i < len; i++)
      listeners[i].apply(this, args);
  }

  return true;
};

EventEmitter.prototype.addListener = function(type, listener) {
  var m;

  if (!isFunction(listener))
    throw TypeError('listener must be a function');

  if (!this._events)
    this._events = {};

  // To avoid recursion in the case that type === "newListener"! Before
  // adding it to the listeners, first emit "newListener".
  if (this._events.newListener)
    this.emit('newListener', type,
              isFunction(listener.listener) ?
              listener.listener : listener);

  if (!this._events[type])
    // Optimize the case of one listener. Don't need the extra array object.
    this._events[type] = listener;
  else if (isObject(this._events[type]))
    // If we've already got an array, just append.
    this._events[type].push(listener);
  else
    // Adding the second element, need to change to array.
    this._events[type] = [this._events[type], listener];

  // Check for listener leak
  if (isObject(this._events[type]) && !this._events[type].warned) {
    var m;
    if (!isUndefined(this._maxListeners)) {
      m = this._maxListeners;
    } else {
      m = EventEmitter.defaultMaxListeners;
    }

    if (m && m > 0 && this._events[type].length > m) {
      this._events[type].warned = true;
      console.error('(node) warning: possible EventEmitter memory ' +
                    'leak detected. %d listeners added. ' +
                    'Use emitter.setMaxListeners() to increase limit.',
                    this._events[type].length);
      if (typeof console.trace === 'function') {
        // not supported in IE 10
        console.trace();
      }
    }
  }

  return this;
};

EventEmitter.prototype.on = EventEmitter.prototype.addListener;

EventEmitter.prototype.once = function(type, listener) {
  if (!isFunction(listener))
    throw TypeError('listener must be a function');

  var fired = false;

  function g() {
    this.removeListener(type, g);

    if (!fired) {
      fired = true;
      listener.apply(this, arguments);
    }
  }

  g.listener = listener;
  this.on(type, g);

  return this;
};

// emits a 'removeListener' event iff the listener was removed
EventEmitter.prototype.removeListener = function(type, listener) {
  var list, position, length, i;

  if (!isFunction(listener))
    throw TypeError('listener must be a function');

  if (!this._events || !this._events[type])
    return this;

  list = this._events[type];
  length = list.length;
  position = -1;

  if (list === listener ||
      (isFunction(list.listener) && list.listener === listener)) {
    delete this._events[type];
    if (this._events.removeListener)
      this.emit('removeListener', type, listener);

  } else if (isObject(list)) {
    for (i = length; i-- > 0;) {
      if (list[i] === listener ||
          (list[i].listener && list[i].listener === listener)) {
        position = i;
        break;
      }
    }

    if (position < 0)
      return this;

    if (list.length === 1) {
      list.length = 0;
      delete this._events[type];
    } else {
      list.splice(position, 1);
    }

    if (this._events.removeListener)
      this.emit('removeListener', type, listener);
  }

  return this;
};

EventEmitter.prototype.removeAllListeners = function(type) {
  var key, listeners;

  if (!this._events)
    return this;

  // not listening for removeListener, no need to emit
  if (!this._events.removeListener) {
    if (arguments.length === 0)
      this._events = {};
    else if (this._events[type])
      delete this._events[type];
    return this;
  }

  // emit removeListener for all listeners on all events
  if (arguments.length === 0) {
    for (key in this._events) {
      if (key === 'removeListener') continue;
      this.removeAllListeners(key);
    }
    this.removeAllListeners('removeListener');
    this._events = {};
    return this;
  }

  listeners = this._events[type];

  if (isFunction(listeners)) {
    this.removeListener(type, listeners);
  } else {
    // LIFO order
    while (listeners.length)
      this.removeListener(type, listeners[listeners.length - 1]);
  }
  delete this._events[type];

  return this;
};

EventEmitter.prototype.listeners = function(type) {
  var ret;
  if (!this._events || !this._events[type])
    ret = [];
  else if (isFunction(this._events[type]))
    ret = [this._events[type]];
  else
    ret = this._events[type].slice();
  return ret;
};

EventEmitter.listenerCount = function(emitter, type) {
  var ret;
  if (!emitter._events || !emitter._events[type])
    ret = 0;
  else if (isFunction(emitter._events[type]))
    ret = 1;
  else
    ret = emitter._events[type].length;
  return ret;
};

function isFunction(arg) {
  return typeof arg === 'function';
}

function isNumber(arg) {
  return typeof arg === 'number';
}

function isObject(arg) {
  return typeof arg === 'object' && arg !== null;
}

function isUndefined(arg) {
  return arg === void 0;
}

},{}],7:[function(require,module,exports){
if (typeof Object.create === 'function') {
  // implementation from standard node.js 'util' module
  module.exports = function inherits(ctor, superCtor) {
    ctor.super_ = superCtor
    ctor.prototype = Object.create(superCtor.prototype, {
      constructor: {
        value: ctor,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
  };
} else {
  // old school shim for old browsers
  module.exports = function inherits(ctor, superCtor) {
    ctor.super_ = superCtor
    var TempCtor = function () {}
    TempCtor.prototype = superCtor.prototype
    ctor.prototype = new TempCtor()
    ctor.prototype.constructor = ctor
  }
}

},{}],8:[function(require,module,exports){
/**
 * Determine if an object is Buffer
 *
 * Author:   Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
 * License:  MIT
 *
 * `npm install is-buffer`
 */

module.exports = function (obj) {
  return !!(obj != null &&
    (obj._isBuffer || // For Safari 5-7 (missing Object.prototype.constructor)
      (obj.constructor &&
      typeof obj.constructor.isBuffer === 'function' &&
      obj.constructor.isBuffer(obj))
    ))
}

},{}],9:[function(require,module,exports){
module.exports = Array.isArray || function (arr) {
  return Object.prototype.toString.call(arr) == '[object Array]';
};

},{}],10:[function(require,module,exports){
// shim for using process in browser

var process = module.exports = {};
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = setTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    clearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        setTimeout(drainQueue, 0);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };

},{}],11:[function(require,module,exports){
(function (global){
/*! https://mths.be/punycode v1.3.2 by @mathias */
;(function(root) {

	/** Detect free variables */
	var freeExports = typeof exports == 'object' && exports &&
		!exports.nodeType && exports;
	var freeModule = typeof module == 'object' && module &&
		!module.nodeType && module;
	var freeGlobal = typeof global == 'object' && global;
	if (
		freeGlobal.global === freeGlobal ||
		freeGlobal.window === freeGlobal ||
		freeGlobal.self === freeGlobal
	) {
		root = freeGlobal;
	}

	/**
	 * The `punycode` object.
	 * @name punycode
	 * @type Object
	 */
	var punycode,

	/** Highest positive signed 32-bit float value */
	maxInt = 2147483647, // aka. 0x7FFFFFFF or 2^31-1

	/** Bootstring parameters */
	base = 36,
	tMin = 1,
	tMax = 26,
	skew = 38,
	damp = 700,
	initialBias = 72,
	initialN = 128, // 0x80
	delimiter = '-', // '\x2D'

	/** Regular expressions */
	regexPunycode = /^xn--/,
	regexNonASCII = /[^\x20-\x7E]/, // unprintable ASCII chars + non-ASCII chars
	regexSeparators = /[\x2E\u3002\uFF0E\uFF61]/g, // RFC 3490 separators

	/** Error messages */
	errors = {
		'overflow': 'Overflow: input needs wider integers to process',
		'not-basic': 'Illegal input >= 0x80 (not a basic code point)',
		'invalid-input': 'Invalid input'
	},

	/** Convenience shortcuts */
	baseMinusTMin = base - tMin,
	floor = Math.floor,
	stringFromCharCode = String.fromCharCode,

	/** Temporary variable */
	key;

	/*--------------------------------------------------------------------------*/

	/**
	 * A generic error utility function.
	 * @private
	 * @param {String} type The error type.
	 * @returns {Error} Throws a `RangeError` with the applicable error message.
	 */
	function error(type) {
		throw RangeError(errors[type]);
	}

	/**
	 * A generic `Array#map` utility function.
	 * @private
	 * @param {Array} array The array to iterate over.
	 * @param {Function} callback The function that gets called for every array
	 * item.
	 * @returns {Array} A new array of values returned by the callback function.
	 */
	function map(array, fn) {
		var length = array.length;
		var result = [];
		while (length--) {
			result[length] = fn(array[length]);
		}
		return result;
	}

	/**
	 * A simple `Array#map`-like wrapper to work with domain name strings or email
	 * addresses.
	 * @private
	 * @param {String} domain The domain name or email address.
	 * @param {Function} callback The function that gets called for every
	 * character.
	 * @returns {Array} A new string of characters returned by the callback
	 * function.
	 */
	function mapDomain(string, fn) {
		var parts = string.split('@');
		var result = '';
		if (parts.length > 1) {
			// In email addresses, only the domain name should be punycoded. Leave
			// the local part (i.e. everything up to `@`) intact.
			result = parts[0] + '@';
			string = parts[1];
		}
		// Avoid `split(regex)` for IE8 compatibility. See #17.
		string = string.replace(regexSeparators, '\x2E');
		var labels = string.split('.');
		var encoded = map(labels, fn).join('.');
		return result + encoded;
	}

	/**
	 * Creates an array containing the numeric code points of each Unicode
	 * character in the string. While JavaScript uses UCS-2 internally,
	 * this function will convert a pair of surrogate halves (each of which
	 * UCS-2 exposes as separate characters) into a single code point,
	 * matching UTF-16.
	 * @see `punycode.ucs2.encode`
	 * @see <https://mathiasbynens.be/notes/javascript-encoding>
	 * @memberOf punycode.ucs2
	 * @name decode
	 * @param {String} string The Unicode input string (UCS-2).
	 * @returns {Array} The new array of code points.
	 */
	function ucs2decode(string) {
		var output = [],
		    counter = 0,
		    length = string.length,
		    value,
		    extra;
		while (counter < length) {
			value = string.charCodeAt(counter++);
			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
				// high surrogate, and there is a next character
				extra = string.charCodeAt(counter++);
				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
				} else {
					// unmatched surrogate; only append this code unit, in case the next
					// code unit is the high surrogate of a surrogate pair
					output.push(value);
					counter--;
				}
			} else {
				output.push(value);
			}
		}
		return output;
	}

	/**
	 * Creates a string based on an array of numeric code points.
	 * @see `punycode.ucs2.decode`
	 * @memberOf punycode.ucs2
	 * @name encode
	 * @param {Array} codePoints The array of numeric code points.
	 * @returns {String} The new Unicode string (UCS-2).
	 */
	function ucs2encode(array) {
		return map(array, function(value) {
			var output = '';
			if (value > 0xFFFF) {
				value -= 0x10000;
				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
				value = 0xDC00 | value & 0x3FF;
			}
			output += stringFromCharCode(value);
			return output;
		}).join('');
	}

	/**
	 * Converts a basic code point into a digit/integer.
	 * @see `digitToBasic()`
	 * @private
	 * @param {Number} codePoint The basic numeric code point value.
	 * @returns {Number} The numeric value of a basic code point (for use in
	 * representing integers) in the range `0` to `base - 1`, or `base` if
	 * the code point does not represent a value.
	 */
	function basicToDigit(codePoint) {
		if (codePoint - 48 < 10) {
			return codePoint - 22;
		}
		if (codePoint - 65 < 26) {
			return codePoint - 65;
		}
		if (codePoint - 97 < 26) {
			return codePoint - 97;
		}
		return base;
	}

	/**
	 * Converts a digit/integer into a basic code point.
	 * @see `basicToDigit()`
	 * @private
	 * @param {Number} digit The numeric value of a basic code point.
	 * @returns {Number} The basic code point whose value (when used for
	 * representing integers) is `digit`, which needs to be in the range
	 * `0` to `base - 1`. If `flag` is non-zero, the uppercase form is
	 * used; else, the lowercase form is used. The behavior is undefined
	 * if `flag` is non-zero and `digit` has no uppercase form.
	 */
	function digitToBasic(digit, flag) {
		//  0..25 map to ASCII a..z or A..Z
		// 26..35 map to ASCII 0..9
		return digit + 22 + 75 * (digit < 26) - ((flag != 0) << 5);
	}

	/**
	 * Bias adaptation function as per section 3.4 of RFC 3492.
	 * http://tools.ietf.org/html/rfc3492#section-3.4
	 * @private
	 */
	function adapt(delta, numPoints, firstTime) {
		var k = 0;
		delta = firstTime ? floor(delta / damp) : delta >> 1;
		delta += floor(delta / numPoints);
		for (/* no initialization */; delta > baseMinusTMin * tMax >> 1; k += base) {
			delta = floor(delta / baseMinusTMin);
		}
		return floor(k + (baseMinusTMin + 1) * delta / (delta + skew));
	}

	/**
	 * Converts a Punycode string of ASCII-only symbols to a string of Unicode
	 * symbols.
	 * @memberOf punycode
	 * @param {String} input The Punycode string of ASCII-only symbols.
	 * @returns {String} The resulting string of Unicode symbols.
	 */
	function decode(input) {
		// Don't use UCS-2
		var output = [],
		    inputLength = input.length,
		    out,
		    i = 0,
		    n = initialN,
		    bias = initialBias,
		    basic,
		    j,
		    index,
		    oldi,
		    w,
		    k,
		    digit,
		    t,
		    /** Cached calculation results */
		    baseMinusT;

		// Handle the basic code points: let `basic` be the number of input code
		// points before the last delimiter, or `0` if there is none, then copy
		// the first basic code points to the output.

		basic = input.lastIndexOf(delimiter);
		if (basic < 0) {
			basic = 0;
		}

		for (j = 0; j < basic; ++j) {
			// if it's not a basic code point
			if (input.charCodeAt(j) >= 0x80) {
				error('not-basic');
			}
			output.push(input.charCodeAt(j));
		}

		// Main decoding loop: start just after the last delimiter if any basic code
		// points were copied; start at the beginning otherwise.

		for (index = basic > 0 ? basic + 1 : 0; index < inputLength; /* no final expression */) {

			// `index` is the index of the next character to be consumed.
			// Decode a generalized variable-length integer into `delta`,
			// which gets added to `i`. The overflow checking is easier
			// if we increase `i` as we go, then subtract off its starting
			// value at the end to obtain `delta`.
			for (oldi = i, w = 1, k = base; /* no condition */; k += base) {

				if (index >= inputLength) {
					error('invalid-input');
				}

				digit = basicToDigit(input.charCodeAt(index++));

				if (digit >= base || digit > floor((maxInt - i) / w)) {
					error('overflow');
				}

				i += digit * w;
				t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);

				if (digit < t) {
					break;
				}

				baseMinusT = base - t;
				if (w > floor(maxInt / baseMinusT)) {
					error('overflow');
				}

				w *= baseMinusT;

			}

			out = output.length + 1;
			bias = adapt(i - oldi, out, oldi == 0);

			// `i` was supposed to wrap around from `out` to `0`,
			// incrementing `n` each time, so we'll fix that now:
			if (floor(i / out) > maxInt - n) {
				error('overflow');
			}

			n += floor(i / out);
			i %= out;

			// Insert `n` at position `i` of the output
			output.splice(i++, 0, n);

		}

		return ucs2encode(output);
	}

	/**
	 * Converts a string of Unicode symbols (e.g. a domain name label) to a
	 * Punycode string of ASCII-only symbols.
	 * @memberOf punycode
	 * @param {String} input The string of Unicode symbols.
	 * @returns {String} The resulting Punycode string of ASCII-only symbols.
	 */
	function encode(input) {
		var n,
		    delta,
		    handledCPCount,
		    basicLength,
		    bias,
		    j,
		    m,
		    q,
		    k,
		    t,
		    currentValue,
		    output = [],
		    /** `inputLength` will hold the number of code points in `input`. */
		    inputLength,
		    /** Cached calculation results */
		    handledCPCountPlusOne,
		    baseMinusT,
		    qMinusT;

		// Convert the input in UCS-2 to Unicode
		input = ucs2decode(input);

		// Cache the length
		inputLength = input.length;

		// Initialize the state
		n = initialN;
		delta = 0;
		bias = initialBias;

		// Handle the basic code points
		for (j = 0; j < inputLength; ++j) {
			currentValue = input[j];
			if (currentValue < 0x80) {
				output.push(stringFromCharCode(currentValue));
			}
		}

		handledCPCount = basicLength = output.length;

		// `handledCPCount` is the number of code points that have been handled;
		// `basicLength` is the number of basic code points.

		// Finish the basic string - if it is not empty - with a delimiter
		if (basicLength) {
			output.push(delimiter);
		}

		// Main encoding loop:
		while (handledCPCount < inputLength) {

			// All non-basic code points < n have been handled already. Find the next
			// larger one:
			for (m = maxInt, j = 0; j < inputLength; ++j) {
				currentValue = input[j];
				if (currentValue >= n && currentValue < m) {
					m = currentValue;
				}
			}

			// Increase `delta` enough to advance the decoder's <n,i> state to <m,0>,
			// but guard against overflow
			handledCPCountPlusOne = handledCPCount + 1;
			if (m - n > floor((maxInt - delta) / handledCPCountPlusOne)) {
				error('overflow');
			}

			delta += (m - n) * handledCPCountPlusOne;
			n = m;

			for (j = 0; j < inputLength; ++j) {
				currentValue = input[j];

				if (currentValue < n && ++delta > maxInt) {
					error('overflow');
				}

				if (currentValue == n) {
					// Represent delta as a generalized variable-length integer
					for (q = delta, k = base; /* no condition */; k += base) {
						t = k <= bias ? tMin : (k >= bias + tMax ? tMax : k - bias);
						if (q < t) {
							break;
						}
						qMinusT = q - t;
						baseMinusT = base - t;
						output.push(
							stringFromCharCode(digitToBasic(t + qMinusT % baseMinusT, 0))
						);
						q = floor(qMinusT / baseMinusT);
					}

					output.push(stringFromCharCode(digitToBasic(q, 0)));
					bias = adapt(delta, handledCPCountPlusOne, handledCPCount == basicLength);
					delta = 0;
					++handledCPCount;
				}
			}

			++delta;
			++n;

		}
		return output.join('');
	}

	/**
	 * Converts a Punycode string representing a domain name or an email address
	 * to Unicode. Only the Punycoded parts of the input will be converted, i.e.
	 * it doesn't matter if you call it on a string that has already been
	 * converted to Unicode.
	 * @memberOf punycode
	 * @param {String} input The Punycoded domain name or email address to
	 * convert to Unicode.
	 * @returns {String} The Unicode representation of the given Punycode
	 * string.
	 */
	function toUnicode(input) {
		return mapDomain(input, function(string) {
			return regexPunycode.test(string)
				? decode(string.slice(4).toLowerCase())
				: string;
		});
	}

	/**
	 * Converts a Unicode string representing a domain name or an email address to
	 * Punycode. Only the non-ASCII parts of the domain name will be converted,
	 * i.e. it doesn't matter if you call it with a domain that's already in
	 * ASCII.
	 * @memberOf punycode
	 * @param {String} input The domain name or email address to convert, as a
	 * Unicode string.
	 * @returns {String} The Punycode representation of the given domain name or
	 * email address.
	 */
	function toASCII(input) {
		return mapDomain(input, function(string) {
			return regexNonASCII.test(string)
				? 'xn--' + encode(string)
				: string;
		});
	}

	/*--------------------------------------------------------------------------*/

	/** Define the public API */
	punycode = {
		/**
		 * A string representing the current Punycode.js version number.
		 * @memberOf punycode
		 * @type String
		 */
		'version': '1.3.2',
		/**
		 * An object of methods to convert from JavaScript's internal character
		 * representation (UCS-2) to Unicode code points, and back.
		 * @see <https://mathiasbynens.be/notes/javascript-encoding>
		 * @memberOf punycode
		 * @type Object
		 */
		'ucs2': {
			'decode': ucs2decode,
			'encode': ucs2encode
		},
		'decode': decode,
		'encode': encode,
		'toASCII': toASCII,
		'toUnicode': toUnicode
	};

	/** Expose `punycode` */
	// Some AMD build optimizers, like r.js, check for specific condition patterns
	// like the following:
	if (
		typeof define == 'function' &&
		typeof define.amd == 'object' &&
		define.amd
	) {
		define('punycode', function() {
			return punycode;
		});
	} else if (freeExports && freeModule) {
		if (module.exports == freeExports) { // in Node.js or RingoJS v0.8.0+
			freeModule.exports = punycode;
		} else { // in Narwhal or RingoJS v0.7.0-
			for (key in punycode) {
				punycode.hasOwnProperty(key) && (freeExports[key] = punycode[key]);
			}
		}
	} else { // in Rhino or a web browser
		root.punycode = punycode;
	}

}(this));

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],12:[function(require,module,exports){
module.exports = require("./lib/_stream_duplex.js")

},{"./lib/_stream_duplex.js":13}],13:[function(require,module,exports){
// a duplex stream is just a stream that is both readable and writable.
// Since JS doesn't have multiple prototypal inheritance, this class
// prototypally inherits from Readable, and then parasitically from
// Writable.

'use strict';

/*<replacement>*/
var objectKeys = Object.keys || function (obj) {
  var keys = [];
  for (var key in obj) keys.push(key);
  return keys;
}
/*</replacement>*/


module.exports = Duplex;

/*<replacement>*/
var processNextTick = require('process-nextick-args');
/*</replacement>*/



/*<replacement>*/
var util = require('core-util-is');
util.inherits = require('inherits');
/*</replacement>*/

var Readable = require('./_stream_readable');
var Writable = require('./_stream_writable');

util.inherits(Duplex, Readable);

var keys = objectKeys(Writable.prototype);
for (var v = 0; v < keys.length; v++) {
  var method = keys[v];
  if (!Duplex.prototype[method])
    Duplex.prototype[method] = Writable.prototype[method];
}

function Duplex(options) {
  if (!(this instanceof Duplex))
    return new Duplex(options);

  Readable.call(this, options);
  Writable.call(this, options);

  if (options && options.readable === false)
    this.readable = false;

  if (options && options.writable === false)
    this.writable = false;

  this.allowHalfOpen = true;
  if (options && options.allowHalfOpen === false)
    this.allowHalfOpen = false;

  this.once('end', onend);
}

// the no-half-open enforcer
function onend() {
  // if we allow half-open state, or if the writable side ended,
  // then we're ok.
  if (this.allowHalfOpen || this._writableState.ended)
    return;

  // no more data can be written.
  // But allow more writes to happen in this tick.
  processNextTick(onEndNT, this);
}

function onEndNT(self) {
  self.end();
}

function forEach (xs, f) {
  for (var i = 0, l = xs.length; i < l; i++) {
    f(xs[i], i);
  }
}

},{"./_stream_readable":15,"./_stream_writable":17,"core-util-is":18,"inherits":7,"process-nextick-args":19}],14:[function(require,module,exports){
// a passthrough stream.
// basically just the most minimal sort of Transform stream.
// Every written chunk gets output as-is.

'use strict';

module.exports = PassThrough;

var Transform = require('./_stream_transform');

/*<replacement>*/
var util = require('core-util-is');
util.inherits = require('inherits');
/*</replacement>*/

util.inherits(PassThrough, Transform);

function PassThrough(options) {
  if (!(this instanceof PassThrough))
    return new PassThrough(options);

  Transform.call(this, options);
}

PassThrough.prototype._transform = function(chunk, encoding, cb) {
  cb(null, chunk);
};

},{"./_stream_transform":16,"core-util-is":18,"inherits":7}],15:[function(require,module,exports){
(function (process){
'use strict';

module.exports = Readable;

/*<replacement>*/
var processNextTick = require('process-nextick-args');
/*</replacement>*/


/*<replacement>*/
var isArray = require('isarray');
/*</replacement>*/


/*<replacement>*/
var Buffer = require('buffer').Buffer;
/*</replacement>*/

Readable.ReadableState = ReadableState;

var EE = require('events');

/*<replacement>*/
var EElistenerCount = function(emitter, type) {
  return emitter.listeners(type).length;
};
/*</replacement>*/



/*<replacement>*/
var Stream;
(function (){try{
  Stream = require('st' + 'ream');
}catch(_){}finally{
  if (!Stream)
    Stream = require('events').EventEmitter;
}}())
/*</replacement>*/

var Buffer = require('buffer').Buffer;

/*<replacement>*/
var util = require('core-util-is');
util.inherits = require('inherits');
/*</replacement>*/



/*<replacement>*/
var debugUtil = require('util');
var debug;
if (debugUtil && debugUtil.debuglog) {
  debug = debugUtil.debuglog('stream');
} else {
  debug = function () {};
}
/*</replacement>*/

var StringDecoder;

util.inherits(Readable, Stream);

function ReadableState(options, stream) {
  var Duplex = require('./_stream_duplex');

  options = options || {};

  // object stream flag. Used to make read(n) ignore n and to
  // make all the buffer merging and length checks go away
  this.objectMode = !!options.objectMode;

  if (stream instanceof Duplex)
    this.objectMode = this.objectMode || !!options.readableObjectMode;

  // the point at which it stops calling _read() to fill the buffer
  // Note: 0 is a valid value, means "don't call _read preemptively ever"
  var hwm = options.highWaterMark;
  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
  this.highWaterMark = (hwm || hwm === 0) ? hwm : defaultHwm;

  // cast to ints.
  this.highWaterMark = ~~this.highWaterMark;

  this.buffer = [];
  this.length = 0;
  this.pipes = null;
  this.pipesCount = 0;
  this.flowing = null;
  this.ended = false;
  this.endEmitted = false;
  this.reading = false;

  // a flag to be able to tell if the onwrite cb is called immediately,
  // or on a later tick.  We set this to true at first, because any
  // actions that shouldn't happen until "later" should generally also
  // not happen before the first write call.
  this.sync = true;

  // whenever we return null, then we set a flag to say
  // that we're awaiting a 'readable' event emission.
  this.needReadable = false;
  this.emittedReadable = false;
  this.readableListening = false;

  // Crypto is kind of old and crusty.  Historically, its default string
  // encoding is 'binary' so we have to make this configurable.
  // Everything else in the universe uses 'utf8', though.
  this.defaultEncoding = options.defaultEncoding || 'utf8';

  // when piping, we only care about 'readable' events that happen
  // after read()ing all the bytes and not getting any pushback.
  this.ranOut = false;

  // the number of writers that are awaiting a drain event in .pipe()s
  this.awaitDrain = 0;

  // if true, a maybeReadMore has been scheduled
  this.readingMore = false;

  this.decoder = null;
  this.encoding = null;
  if (options.encoding) {
    if (!StringDecoder)
      StringDecoder = require('string_decoder/').StringDecoder;
    this.decoder = new StringDecoder(options.encoding);
    this.encoding = options.encoding;
  }
}

function Readable(options) {
  var Duplex = require('./_stream_duplex');

  if (!(this instanceof Readable))
    return new Readable(options);

  this._readableState = new ReadableState(options, this);

  // legacy
  this.readable = true;

  if (options && typeof options.read === 'function')
    this._read = options.read;

  Stream.call(this);
}

// Manually shove something into the read() buffer.
// This returns true if the highWaterMark has not been hit yet,
// similar to how Writable.write() returns true if you should
// write() some more.
Readable.prototype.push = function(chunk, encoding) {
  var state = this._readableState;

  if (!state.objectMode && typeof chunk === 'string') {
    encoding = encoding || state.defaultEncoding;
    if (encoding !== state.encoding) {
      chunk = new Buffer(chunk, encoding);
      encoding = '';
    }
  }

  return readableAddChunk(this, state, chunk, encoding, false);
};

// Unshift should *always* be something directly out of read()
Readable.prototype.unshift = function(chunk) {
  var state = this._readableState;
  return readableAddChunk(this, state, chunk, '', true);
};

Readable.prototype.isPaused = function() {
  return this._readableState.flowing === false;
};

function readableAddChunk(stream, state, chunk, encoding, addToFront) {
  var er = chunkInvalid(state, chunk);
  if (er) {
    stream.emit('error', er);
  } else if (chunk === null) {
    state.reading = false;
    onEofChunk(stream, state);
  } else if (state.objectMode || chunk && chunk.length > 0) {
    if (state.ended && !addToFront) {
      var e = new Error('stream.push() after EOF');
      stream.emit('error', e);
    } else if (state.endEmitted && addToFront) {
      var e = new Error('stream.unshift() after end event');
      stream.emit('error', e);
    } else {
      if (state.decoder && !addToFront && !encoding)
        chunk = state.decoder.write(chunk);

      if (!addToFront)
        state.reading = false;

      // if we want the data now, just emit it.
      if (state.flowing && state.length === 0 && !state.sync) {
        stream.emit('data', chunk);
        stream.read(0);
      } else {
        // update the buffer info.
        state.length += state.objectMode ? 1 : chunk.length;
        if (addToFront)
          state.buffer.unshift(chunk);
        else
          state.buffer.push(chunk);

        if (state.needReadable)
          emitReadable(stream);
      }

      maybeReadMore(stream, state);
    }
  } else if (!addToFront) {
    state.reading = false;
  }

  return needMoreData(state);
}


// if it's past the high water mark, we can push in some more.
// Also, if we have no data yet, we can stand some
// more bytes.  This is to work around cases where hwm=0,
// such as the repl.  Also, if the push() triggered a
// readable event, and the user called read(largeNumber) such that
// needReadable was set, then we ought to push more, so that another
// 'readable' event will be triggered.
function needMoreData(state) {
  return !state.ended &&
         (state.needReadable ||
          state.length < state.highWaterMark ||
          state.length === 0);
}

// backwards compatibility.
Readable.prototype.setEncoding = function(enc) {
  if (!StringDecoder)
    StringDecoder = require('string_decoder/').StringDecoder;
  this._readableState.decoder = new StringDecoder(enc);
  this._readableState.encoding = enc;
  return this;
};

// Don't raise the hwm > 8MB
var MAX_HWM = 0x800000;
function computeNewHighWaterMark(n) {
  if (n >= MAX_HWM) {
    n = MAX_HWM;
  } else {
    // Get the next highest power of 2
    n--;
    n |= n >>> 1;
    n |= n >>> 2;
    n |= n >>> 4;
    n |= n >>> 8;
    n |= n >>> 16;
    n++;
  }
  return n;
}

function howMuchToRead(n, state) {
  if (state.length === 0 && state.ended)
    return 0;

  if (state.objectMode)
    return n === 0 ? 0 : 1;

  if (n === null || isNaN(n)) {
    // only flow one buffer at a time
    if (state.flowing && state.buffer.length)
      return state.buffer[0].length;
    else
      return state.length;
  }

  if (n <= 0)
    return 0;

  // If we're asking for more than the target buffer level,
  // then raise the water mark.  Bump up to the next highest
  // power of 2, to prevent increasing it excessively in tiny
  // amounts.
  if (n > state.highWaterMark)
    state.highWaterMark = computeNewHighWaterMark(n);

  // don't have that much.  return null, unless we've ended.
  if (n > state.length) {
    if (!state.ended) {
      state.needReadable = true;
      return 0;
    } else {
      return state.length;
    }
  }

  return n;
}

// you can override either this method, or the async _read(n) below.
Readable.prototype.read = function(n) {
  debug('read', n);
  var state = this._readableState;
  var nOrig = n;

  if (typeof n !== 'number' || n > 0)
    state.emittedReadable = false;

  // if we're doing read(0) to trigger a readable event, but we
  // already have a bunch of data in the buffer, then just trigger
  // the 'readable' event and move on.
  if (n === 0 &&
      state.needReadable &&
      (state.length >= state.highWaterMark || state.ended)) {
    debug('read: emitReadable', state.length, state.ended);
    if (state.length === 0 && state.ended)
      endReadable(this);
    else
      emitReadable(this);
    return null;
  }

  n = howMuchToRead(n, state);

  // if we've ended, and we're now clear, then finish it up.
  if (n === 0 && state.ended) {
    if (state.length === 0)
      endReadable(this);
    return null;
  }

  // All the actual chunk generation logic needs to be
  // *below* the call to _read.  The reason is that in certain
  // synthetic stream cases, such as passthrough streams, _read
  // may be a completely synchronous operation which may change
  // the state of the read buffer, providing enough data when
  // before there was *not* enough.
  //
  // So, the steps are:
  // 1. Figure out what the state of things will be after we do
  // a read from the buffer.
  //
  // 2. If that resulting state will trigger a _read, then call _read.
  // Note that this may be asynchronous, or synchronous.  Yes, it is
  // deeply ugly to write APIs this way, but that still doesn't mean
  // that the Readable class should behave improperly, as streams are
  // designed to be sync/async agnostic.
  // Take note if the _read call is sync or async (ie, if the read call
  // has returned yet), so that we know whether or not it's safe to emit
  // 'readable' etc.
  //
  // 3. Actually pull the requested chunks out of the buffer and return.

  // if we need a readable event, then we need to do some reading.
  var doRead = state.needReadable;
  debug('need readable', doRead);

  // if we currently have less than the highWaterMark, then also read some
  if (state.length === 0 || state.length - n < state.highWaterMark) {
    doRead = true;
    debug('length less than watermark', doRead);
  }

  // however, if we've ended, then there's no point, and if we're already
  // reading, then it's unnecessary.
  if (state.ended || state.reading) {
    doRead = false;
    debug('reading or ended', doRead);
  }

  if (doRead) {
    debug('do read');
    state.reading = true;
    state.sync = true;
    // if the length is currently zero, then we *need* a readable event.
    if (state.length === 0)
      state.needReadable = true;
    // call internal read method
    this._read(state.highWaterMark);
    state.sync = false;
  }

  // If _read pushed data synchronously, then `reading` will be false,
  // and we need to re-evaluate how much data we can return to the user.
  if (doRead && !state.reading)
    n = howMuchToRead(nOrig, state);

  var ret;
  if (n > 0)
    ret = fromList(n, state);
  else
    ret = null;

  if (ret === null) {
    state.needReadable = true;
    n = 0;
  }

  state.length -= n;

  // If we have nothing in the buffer, then we want to know
  // as soon as we *do* get something into the buffer.
  if (state.length === 0 && !state.ended)
    state.needReadable = true;

  // If we tried to read() past the EOF, then emit end on the next tick.
  if (nOrig !== n && state.ended && state.length === 0)
    endReadable(this);

  if (ret !== null)
    this.emit('data', ret);

  return ret;
};

function chunkInvalid(state, chunk) {
  var er = null;
  if (!(Buffer.isBuffer(chunk)) &&
      typeof chunk !== 'string' &&
      chunk !== null &&
      chunk !== undefined &&
      !state.objectMode) {
    er = new TypeError('Invalid non-string/buffer chunk');
  }
  return er;
}


function onEofChunk(stream, state) {
  if (state.ended) return;
  if (state.decoder) {
    var chunk = state.decoder.end();
    if (chunk && chunk.length) {
      state.buffer.push(chunk);
      state.length += state.objectMode ? 1 : chunk.length;
    }
  }
  state.ended = true;

  // emit 'readable' now to make sure it gets picked up.
  emitReadable(stream);
}

// Don't emit readable right away in sync mode, because this can trigger
// another read() call => stack overflow.  This way, it might trigger
// a nextTick recursion warning, but that's not so bad.
function emitReadable(stream) {
  var state = stream._readableState;
  state.needReadable = false;
  if (!state.emittedReadable) {
    debug('emitReadable', state.flowing);
    state.emittedReadable = true;
    if (state.sync)
      processNextTick(emitReadable_, stream);
    else
      emitReadable_(stream);
  }
}

function emitReadable_(stream) {
  debug('emit readable');
  stream.emit('readable');
  flow(stream);
}


// at this point, the user has presumably seen the 'readable' event,
// and called read() to consume some data.  that may have triggered
// in turn another _read(n) call, in which case reading = true if
// it's in progress.
// However, if we're not ended, or reading, and the length < hwm,
// then go ahead and try to read some more preemptively.
function maybeReadMore(stream, state) {
  if (!state.readingMore) {
    state.readingMore = true;
    processNextTick(maybeReadMore_, stream, state);
  }
}

function maybeReadMore_(stream, state) {
  var len = state.length;
  while (!state.reading && !state.flowing && !state.ended &&
         state.length < state.highWaterMark) {
    debug('maybeReadMore read 0');
    stream.read(0);
    if (len === state.length)
      // didn't get any data, stop spinning.
      break;
    else
      len = state.length;
  }
  state.readingMore = false;
}

// abstract method.  to be overridden in specific implementation classes.
// call cb(er, data) where data is <= n in length.
// for virtual (non-string, non-buffer) streams, "length" is somewhat
// arbitrary, and perhaps not very meaningful.
Readable.prototype._read = function(n) {
  this.emit('error', new Error('not implemented'));
};

Readable.prototype.pipe = function(dest, pipeOpts) {
  var src = this;
  var state = this._readableState;

  switch (state.pipesCount) {
    case 0:
      state.pipes = dest;
      break;
    case 1:
      state.pipes = [state.pipes, dest];
      break;
    default:
      state.pipes.push(dest);
      break;
  }
  state.pipesCount += 1;
  debug('pipe count=%d opts=%j', state.pipesCount, pipeOpts);

  var doEnd = (!pipeOpts || pipeOpts.end !== false) &&
              dest !== process.stdout &&
              dest !== process.stderr;

  var endFn = doEnd ? onend : cleanup;
  if (state.endEmitted)
    processNextTick(endFn);
  else
    src.once('end', endFn);

  dest.on('unpipe', onunpipe);
  function onunpipe(readable) {
    debug('onunpipe');
    if (readable === src) {
      cleanup();
    }
  }

  function onend() {
    debug('onend');
    dest.end();
  }

  // when the dest drains, it reduces the awaitDrain counter
  // on the source.  This would be more elegant with a .once()
  // handler in flow(), but adding and removing repeatedly is
  // too slow.
  var ondrain = pipeOnDrain(src);
  dest.on('drain', ondrain);

  var cleanedUp = false;
  function cleanup() {
    debug('cleanup');
    // cleanup event handlers once the pipe is broken
    dest.removeListener('close', onclose);
    dest.removeListener('finish', onfinish);
    dest.removeListener('drain', ondrain);
    dest.removeListener('error', onerror);
    dest.removeListener('unpipe', onunpipe);
    src.removeListener('end', onend);
    src.removeListener('end', cleanup);
    src.removeListener('data', ondata);

    cleanedUp = true;

    // if the reader is waiting for a drain event from this
    // specific writer, then it would cause it to never start
    // flowing again.
    // So, if this is awaiting a drain, then we just call it now.
    // If we don't know, then assume that we are waiting for one.
    if (state.awaitDrain &&
        (!dest._writableState || dest._writableState.needDrain))
      ondrain();
  }

  src.on('data', ondata);
  function ondata(chunk) {
    debug('ondata');
    var ret = dest.write(chunk);
    if (false === ret) {
      // If the user unpiped during `dest.write()`, it is possible
      // to get stuck in a permanently paused state if that write
      // also returned false.
      if (state.pipesCount === 1 &&
          state.pipes[0] === dest &&
          src.listenerCount('data') === 1 &&
          !cleanedUp) {
        debug('false write response, pause', src._readableState.awaitDrain);
        src._readableState.awaitDrain++;
      }
      src.pause();
    }
  }

  // if the dest has an error, then stop piping into it.
  // however, don't suppress the throwing behavior for this.
  function onerror(er) {
    debug('onerror', er);
    unpipe();
    dest.removeListener('error', onerror);
    if (EElistenerCount(dest, 'error') === 0)
      dest.emit('error', er);
  }
  // This is a brutally ugly hack to make sure that our error handler
  // is attached before any userland ones.  NEVER DO THIS.
  if (!dest._events || !dest._events.error)
    dest.on('error', onerror);
  else if (isArray(dest._events.error))
    dest._events.error.unshift(onerror);
  else
    dest._events.error = [onerror, dest._events.error];


  // Both close and finish should trigger unpipe, but only once.
  function onclose() {
    dest.removeListener('finish', onfinish);
    unpipe();
  }
  dest.once('close', onclose);
  function onfinish() {
    debug('onfinish');
    dest.removeListener('close', onclose);
    unpipe();
  }
  dest.once('finish', onfinish);

  function unpipe() {
    debug('unpipe');
    src.unpipe(dest);
  }

  // tell the dest that it's being piped to
  dest.emit('pipe', src);

  // start the flow if it hasn't been started already.
  if (!state.flowing) {
    debug('pipe resume');
    src.resume();
  }

  return dest;
};

function pipeOnDrain(src) {
  return function() {
    var state = src._readableState;
    debug('pipeOnDrain', state.awaitDrain);
    if (state.awaitDrain)
      state.awaitDrain--;
    if (state.awaitDrain === 0 && EElistenerCount(src, 'data')) {
      state.flowing = true;
      flow(src);
    }
  };
}


Readable.prototype.unpipe = function(dest) {
  var state = this._readableState;

  // if we're not piping anywhere, then do nothing.
  if (state.pipesCount === 0)
    return this;

  // just one destination.  most common case.
  if (state.pipesCount === 1) {
    // passed in one, but it's not the right one.
    if (dest && dest !== state.pipes)
      return this;

    if (!dest)
      dest = state.pipes;

    // got a match.
    state.pipes = null;
    state.pipesCount = 0;
    state.flowing = false;
    if (dest)
      dest.emit('unpipe', this);
    return this;
  }

  // slow case. multiple pipe destinations.

  if (!dest) {
    // remove all.
    var dests = state.pipes;
    var len = state.pipesCount;
    state.pipes = null;
    state.pipesCount = 0;
    state.flowing = false;

    for (var i = 0; i < len; i++)
      dests[i].emit('unpipe', this);
    return this;
  }

  // try to find the right one.
  var i = indexOf(state.pipes, dest);
  if (i === -1)
    return this;

  state.pipes.splice(i, 1);
  state.pipesCount -= 1;
  if (state.pipesCount === 1)
    state.pipes = state.pipes[0];

  dest.emit('unpipe', this);

  return this;
};

// set up data events if they are asked for
// Ensure readable listeners eventually get something
Readable.prototype.on = function(ev, fn) {
  var res = Stream.prototype.on.call(this, ev, fn);

  // If listening to data, and it has not explicitly been paused,
  // then call resume to start the flow of data on the next tick.
  if (ev === 'data' && false !== this._readableState.flowing) {
    this.resume();
  }

  if (ev === 'readable' && this.readable) {
    var state = this._readableState;
    if (!state.readableListening) {
      state.readableListening = true;
      state.emittedReadable = false;
      state.needReadable = true;
      if (!state.reading) {
        processNextTick(nReadingNextTick, this);
      } else if (state.length) {
        emitReadable(this, state);
      }
    }
  }

  return res;
};
Readable.prototype.addListener = Readable.prototype.on;

function nReadingNextTick(self) {
  debug('readable nexttick read 0');
  self.read(0);
}

// pause() and resume() are remnants of the legacy readable stream API
// If the user uses them, then switch into old mode.
Readable.prototype.resume = function() {
  var state = this._readableState;
  if (!state.flowing) {
    debug('resume');
    state.flowing = true;
    resume(this, state);
  }
  return this;
};

function resume(stream, state) {
  if (!state.resumeScheduled) {
    state.resumeScheduled = true;
    processNextTick(resume_, stream, state);
  }
}

function resume_(stream, state) {
  if (!state.reading) {
    debug('resume read 0');
    stream.read(0);
  }

  state.resumeScheduled = false;
  stream.emit('resume');
  flow(stream);
  if (state.flowing && !state.reading)
    stream.read(0);
}

Readable.prototype.pause = function() {
  debug('call pause flowing=%j', this._readableState.flowing);
  if (false !== this._readableState.flowing) {
    debug('pause');
    this._readableState.flowing = false;
    this.emit('pause');
  }
  return this;
};

function flow(stream) {
  var state = stream._readableState;
  debug('flow', state.flowing);
  if (state.flowing) {
    do {
      var chunk = stream.read();
    } while (null !== chunk && state.flowing);
  }
}

// wrap an old-style stream as the async data source.
// This is *not* part of the readable stream interface.
// It is an ugly unfortunate mess of history.
Readable.prototype.wrap = function(stream) {
  var state = this._readableState;
  var paused = false;

  var self = this;
  stream.on('end', function() {
    debug('wrapped end');
    if (state.decoder && !state.ended) {
      var chunk = state.decoder.end();
      if (chunk && chunk.length)
        self.push(chunk);
    }

    self.push(null);
  });

  stream.on('data', function(chunk) {
    debug('wrapped data');
    if (state.decoder)
      chunk = state.decoder.write(chunk);

    // don't skip over falsy values in objectMode
    if (state.objectMode && (chunk === null || chunk === undefined))
      return;
    else if (!state.objectMode && (!chunk || !chunk.length))
      return;

    var ret = self.push(chunk);
    if (!ret) {
      paused = true;
      stream.pause();
    }
  });

  // proxy all the other methods.
  // important when wrapping filters and duplexes.
  for (var i in stream) {
    if (this[i] === undefined && typeof stream[i] === 'function') {
      this[i] = function(method) { return function() {
        return stream[method].apply(stream, arguments);
      }; }(i);
    }
  }

  // proxy certain important events.
  var events = ['error', 'close', 'destroy', 'pause', 'resume'];
  forEach(events, function(ev) {
    stream.on(ev, self.emit.bind(self, ev));
  });

  // when we try to consume some more bytes, simply unpause the
  // underlying stream.
  self._read = function(n) {
    debug('wrapped _read', n);
    if (paused) {
      paused = false;
      stream.resume();
    }
  };

  return self;
};


// exposed for testing purposes only.
Readable._fromList = fromList;

// Pluck off n bytes from an array of buffers.
// Length is the combined lengths of all the buffers in the list.
function fromList(n, state) {
  var list = state.buffer;
  var length = state.length;
  var stringMode = !!state.decoder;
  var objectMode = !!state.objectMode;
  var ret;

  // nothing in the list, definitely empty.
  if (list.length === 0)
    return null;

  if (length === 0)
    ret = null;
  else if (objectMode)
    ret = list.shift();
  else if (!n || n >= length) {
    // read it all, truncate the array.
    if (stringMode)
      ret = list.join('');
    else if (list.length === 1)
      ret = list[0];
    else
      ret = Buffer.concat(list, length);
    list.length = 0;
  } else {
    // read just some of it.
    if (n < list[0].length) {
      // just take a part of the first list item.
      // slice is the same for buffers and strings.
      var buf = list[0];
      ret = buf.slice(0, n);
      list[0] = buf.slice(n);
    } else if (n === list[0].length) {
      // first list is a perfect match
      ret = list.shift();
    } else {
      // complex case.
      // we have enough to cover it, but it spans past the first buffer.
      if (stringMode)
        ret = '';
      else
        ret = new Buffer(n);

      var c = 0;
      for (var i = 0, l = list.length; i < l && c < n; i++) {
        var buf = list[0];
        var cpy = Math.min(n - c, buf.length);

        if (stringMode)
          ret += buf.slice(0, cpy);
        else
          buf.copy(ret, c, 0, cpy);

        if (cpy < buf.length)
          list[0] = buf.slice(cpy);
        else
          list.shift();

        c += cpy;
      }
    }
  }

  return ret;
}

function endReadable(stream) {
  var state = stream._readableState;

  // If we get here before consuming all the bytes, then that is a
  // bug in node.  Should never happen.
  if (state.length > 0)
    throw new Error('endReadable called on non-empty stream');

  if (!state.endEmitted) {
    state.ended = true;
    processNextTick(endReadableNT, state, stream);
  }
}

function endReadableNT(state, stream) {
  // Check that we didn't get one last unshift.
  if (!state.endEmitted && state.length === 0) {
    state.endEmitted = true;
    stream.readable = false;
    stream.emit('end');
  }
}

function forEach (xs, f) {
  for (var i = 0, l = xs.length; i < l; i++) {
    f(xs[i], i);
  }
}

function indexOf (xs, x) {
  for (var i = 0, l = xs.length; i < l; i++) {
    if (xs[i] === x) return i;
  }
  return -1;
}

}).call(this,require('_process'))
},{"./_stream_duplex":13,"_process":10,"buffer":2,"core-util-is":18,"events":6,"inherits":7,"isarray":9,"process-nextick-args":19,"string_decoder/":26,"util":1}],16:[function(require,module,exports){
// a transform stream is a readable/writable stream where you do
// something with the data.  Sometimes it's called a "filter",
// but that's not a great name for it, since that implies a thing where
// some bits pass through, and others are simply ignored.  (That would
// be a valid example of a transform, of course.)
//
// While the output is causally related to the input, it's not a
// necessarily symmetric or synchronous transformation.  For example,
// a zlib stream might take multiple plain-text writes(), and then
// emit a single compressed chunk some time in the future.
//
// Here's how this works:
//
// The Transform stream has all the aspects of the readable and writable
// stream classes.  When you write(chunk), that calls _write(chunk,cb)
// internally, and returns false if there's a lot of pending writes
// buffered up.  When you call read(), that calls _read(n) until
// there's enough pending readable data buffered up.
//
// In a transform stream, the written data is placed in a buffer.  When
// _read(n) is called, it transforms the queued up data, calling the
// buffered _write cb's as it consumes chunks.  If consuming a single
// written chunk would result in multiple output chunks, then the first
// outputted bit calls the readcb, and subsequent chunks just go into
// the read buffer, and will cause it to emit 'readable' if necessary.
//
// This way, back-pressure is actually determined by the reading side,
// since _read has to be called to start processing a new chunk.  However,
// a pathological inflate type of transform can cause excessive buffering
// here.  For example, imagine a stream where every byte of input is
// interpreted as an integer from 0-255, and then results in that many
// bytes of output.  Writing the 4 bytes {ff,ff,ff,ff} would result in
// 1kb of data being output.  In this case, you could write a very small
// amount of input, and end up with a very large amount of output.  In
// such a pathological inflating mechanism, there'd be no way to tell
// the system to stop doing the transform.  A single 4MB write could
// cause the system to run out of memory.
//
// However, even in such a pathological case, only a single written chunk
// would be consumed, and then the rest would wait (un-transformed) until
// the results of the previous transformed chunk were consumed.

'use strict';

module.exports = Transform;

var Duplex = require('./_stream_duplex');

/*<replacement>*/
var util = require('core-util-is');
util.inherits = require('inherits');
/*</replacement>*/

util.inherits(Transform, Duplex);


function TransformState(stream) {
  this.afterTransform = function(er, data) {
    return afterTransform(stream, er, data);
  };

  this.needTransform = false;
  this.transforming = false;
  this.writecb = null;
  this.writechunk = null;
}

function afterTransform(stream, er, data) {
  var ts = stream._transformState;
  ts.transforming = false;

  var cb = ts.writecb;

  if (!cb)
    return stream.emit('error', new Error('no writecb in Transform class'));

  ts.writechunk = null;
  ts.writecb = null;

  if (data !== null && data !== undefined)
    stream.push(data);

  if (cb)
    cb(er);

  var rs = stream._readableState;
  rs.reading = false;
  if (rs.needReadable || rs.length < rs.highWaterMark) {
    stream._read(rs.highWaterMark);
  }
}


function Transform(options) {
  if (!(this instanceof Transform))
    return new Transform(options);

  Duplex.call(this, options);

  this._transformState = new TransformState(this);

  // when the writable side finishes, then flush out anything remaining.
  var stream = this;

  // start out asking for a readable event once data is transformed.
  this._readableState.needReadable = true;

  // we have implemented the _read method, and done the other things
  // that Readable wants before the first _read call, so unset the
  // sync guard flag.
  this._readableState.sync = false;

  if (options) {
    if (typeof options.transform === 'function')
      this._transform = options.transform;

    if (typeof options.flush === 'function')
      this._flush = options.flush;
  }

  this.once('prefinish', function() {
    if (typeof this._flush === 'function')
      this._flush(function(er) {
        done(stream, er);
      });
    else
      done(stream);
  });
}

Transform.prototype.push = function(chunk, encoding) {
  this._transformState.needTransform = false;
  return Duplex.prototype.push.call(this, chunk, encoding);
};

// This is the part where you do stuff!
// override this function in implementation classes.
// 'chunk' is an input chunk.
//
// Call `push(newChunk)` to pass along transformed output
// to the readable side.  You may call 'push' zero or more times.
//
// Call `cb(err)` when you are done with this chunk.  If you pass
// an error, then that'll put the hurt on the whole operation.  If you
// never call cb(), then you'll never get another chunk.
Transform.prototype._transform = function(chunk, encoding, cb) {
  throw new Error('not implemented');
};

Transform.prototype._write = function(chunk, encoding, cb) {
  var ts = this._transformState;
  ts.writecb = cb;
  ts.writechunk = chunk;
  ts.writeencoding = encoding;
  if (!ts.transforming) {
    var rs = this._readableState;
    if (ts.needTransform ||
        rs.needReadable ||
        rs.length < rs.highWaterMark)
      this._read(rs.highWaterMark);
  }
};

// Doesn't matter what the args are here.
// _transform does all the work.
// That we got here means that the readable side wants more data.
Transform.prototype._read = function(n) {
  var ts = this._transformState;

  if (ts.writechunk !== null && ts.writecb && !ts.transforming) {
    ts.transforming = true;
    this._transform(ts.writechunk, ts.writeencoding, ts.afterTransform);
  } else {
    // mark that we need a transform, so that any data that comes in
    // will get processed, now that we've asked for it.
    ts.needTransform = true;
  }
};


function done(stream, er) {
  if (er)
    return stream.emit('error', er);

  // if there's nothing in the write buffer, then that means
  // that nothing more will ever be provided
  var ws = stream._writableState;
  var ts = stream._transformState;

  if (ws.length)
    throw new Error('calling transform done when ws.length != 0');

  if (ts.transforming)
    throw new Error('calling transform done when still transforming');

  return stream.push(null);
}

},{"./_stream_duplex":13,"core-util-is":18,"inherits":7}],17:[function(require,module,exports){
// A bit simpler than readable streams.
// Implement an async ._write(chunk, encoding, cb), and it'll handle all
// the drain event emission and buffering.

'use strict';

module.exports = Writable;

/*<replacement>*/
var processNextTick = require('process-nextick-args');
/*</replacement>*/


/*<replacement>*/
var Buffer = require('buffer').Buffer;
/*</replacement>*/

Writable.WritableState = WritableState;


/*<replacement>*/
var util = require('core-util-is');
util.inherits = require('inherits');
/*</replacement>*/


/*<replacement>*/
var internalUtil = {
  deprecate: require('util-deprecate')
};
/*</replacement>*/



/*<replacement>*/
var Stream;
(function (){try{
  Stream = require('st' + 'ream');
}catch(_){}finally{
  if (!Stream)
    Stream = require('events').EventEmitter;
}}())
/*</replacement>*/

var Buffer = require('buffer').Buffer;

util.inherits(Writable, Stream);

function nop() {}

function WriteReq(chunk, encoding, cb) {
  this.chunk = chunk;
  this.encoding = encoding;
  this.callback = cb;
  this.next = null;
}

function WritableState(options, stream) {
  var Duplex = require('./_stream_duplex');

  options = options || {};

  // object stream flag to indicate whether or not this stream
  // contains buffers or objects.
  this.objectMode = !!options.objectMode;

  if (stream instanceof Duplex)
    this.objectMode = this.objectMode || !!options.writableObjectMode;

  // the point at which write() starts returning false
  // Note: 0 is a valid value, means that we always return false if
  // the entire buffer is not flushed immediately on write()
  var hwm = options.highWaterMark;
  var defaultHwm = this.objectMode ? 16 : 16 * 1024;
  this.highWaterMark = (hwm || hwm === 0) ? hwm : defaultHwm;

  // cast to ints.
  this.highWaterMark = ~~this.highWaterMark;

  this.needDrain = false;
  // at the start of calling end()
  this.ending = false;
  // when end() has been called, and returned
  this.ended = false;
  // when 'finish' is emitted
  this.finished = false;

  // should we decode strings into buffers before passing to _write?
  // this is here so that some node-core streams can optimize string
  // handling at a lower level.
  var noDecode = options.decodeStrings === false;
  this.decodeStrings = !noDecode;

  // Crypto is kind of old and crusty.  Historically, its default string
  // encoding is 'binary' so we have to make this configurable.
  // Everything else in the universe uses 'utf8', though.
  this.defaultEncoding = options.defaultEncoding || 'utf8';

  // not an actual buffer we keep track of, but a measurement
  // of how much we're waiting to get pushed to some underlying
  // socket or file.
  this.length = 0;

  // a flag to see when we're in the middle of a write.
  this.writing = false;

  // when true all writes will be buffered until .uncork() call
  this.corked = 0;

  // a flag to be able to tell if the onwrite cb is called immediately,
  // or on a later tick.  We set this to true at first, because any
  // actions that shouldn't happen until "later" should generally also
  // not happen before the first write call.
  this.sync = true;

  // a flag to know if we're processing previously buffered items, which
  // may call the _write() callback in the same tick, so that we don't
  // end up in an overlapped onwrite situation.
  this.bufferProcessing = false;

  // the callback that's passed to _write(chunk,cb)
  this.onwrite = function(er) {
    onwrite(stream, er);
  };

  // the callback that the user supplies to write(chunk,encoding,cb)
  this.writecb = null;

  // the amount that is being written when _write is called.
  this.writelen = 0;

  this.bufferedRequest = null;
  this.lastBufferedRequest = null;

  // number of pending user-supplied write callbacks
  // this must be 0 before 'finish' can be emitted
  this.pendingcb = 0;

  // emit prefinish if the only thing we're waiting for is _write cbs
  // This is relevant for synchronous Transform streams
  this.prefinished = false;

  // True if the error was already emitted and should not be thrown again
  this.errorEmitted = false;
}

WritableState.prototype.getBuffer = function writableStateGetBuffer() {
  var current = this.bufferedRequest;
  var out = [];
  while (current) {
    out.push(current);
    current = current.next;
  }
  return out;
};

(function (){try {
Object.defineProperty(WritableState.prototype, 'buffer', {
  get: internalUtil.deprecate(function() {
    return this.getBuffer();
  }, '_writableState.buffer is deprecated. Use _writableState.getBuffer ' +
     'instead.')
});
}catch(_){}}());


function Writable(options) {
  var Duplex = require('./_stream_duplex');

  // Writable ctor is applied to Duplexes, though they're not
  // instanceof Writable, they're instanceof Readable.
  if (!(this instanceof Writable) && !(this instanceof Duplex))
    return new Writable(options);

  this._writableState = new WritableState(options, this);

  // legacy.
  this.writable = true;

  if (options) {
    if (typeof options.write === 'function')
      this._write = options.write;

    if (typeof options.writev === 'function')
      this._writev = options.writev;
  }

  Stream.call(this);
}

// Otherwise people can pipe Writable streams, which is just wrong.
Writable.prototype.pipe = function() {
  this.emit('error', new Error('Cannot pipe. Not readable.'));
};


function writeAfterEnd(stream, cb) {
  var er = new Error('write after end');
  // TODO: defer error events consistently everywhere, not just the cb
  stream.emit('error', er);
  processNextTick(cb, er);
}

// If we get something that is not a buffer, string, null, or undefined,
// and we're not in objectMode, then that's an error.
// Otherwise stream chunks are all considered to be of length=1, and the
// watermarks determine how many objects to keep in the buffer, rather than
// how many bytes or characters.
function validChunk(stream, state, chunk, cb) {
  var valid = true;

  if (!(Buffer.isBuffer(chunk)) &&
      typeof chunk !== 'string' &&
      chunk !== null &&
      chunk !== undefined &&
      !state.objectMode) {
    var er = new TypeError('Invalid non-string/buffer chunk');
    stream.emit('error', er);
    processNextTick(cb, er);
    valid = false;
  }
  return valid;
}

Writable.prototype.write = function(chunk, encoding, cb) {
  var state = this._writableState;
  var ret = false;

  if (typeof encoding === 'function') {
    cb = encoding;
    encoding = null;
  }

  if (Buffer.isBuffer(chunk))
    encoding = 'buffer';
  else if (!encoding)
    encoding = state.defaultEncoding;

  if (typeof cb !== 'function')
    cb = nop;

  if (state.ended)
    writeAfterEnd(this, cb);
  else if (validChunk(this, state, chunk, cb)) {
    state.pendingcb++;
    ret = writeOrBuffer(this, state, chunk, encoding, cb);
  }

  return ret;
};

Writable.prototype.cork = function() {
  var state = this._writableState;

  state.corked++;
};

Writable.prototype.uncork = function() {
  var state = this._writableState;

  if (state.corked) {
    state.corked--;

    if (!state.writing &&
        !state.corked &&
        !state.finished &&
        !state.bufferProcessing &&
        state.bufferedRequest)
      clearBuffer(this, state);
  }
};

Writable.prototype.setDefaultEncoding = function setDefaultEncoding(encoding) {
  // node::ParseEncoding() requires lower case.
  if (typeof encoding === 'string')
    encoding = encoding.toLowerCase();
  if (!(['hex', 'utf8', 'utf-8', 'ascii', 'binary', 'base64',
'ucs2', 'ucs-2','utf16le', 'utf-16le', 'raw']
.indexOf((encoding + '').toLowerCase()) > -1))
    throw new TypeError('Unknown encoding: ' + encoding);
  this._writableState.defaultEncoding = encoding;
};

function decodeChunk(state, chunk, encoding) {
  if (!state.objectMode &&
      state.decodeStrings !== false &&
      typeof chunk === 'string') {
    chunk = new Buffer(chunk, encoding);
  }
  return chunk;
}

// if we're already writing something, then just put this
// in the queue, and wait our turn.  Otherwise, call _write
// If we return false, then we need a drain event, so set that flag.
function writeOrBuffer(stream, state, chunk, encoding, cb) {
  chunk = decodeChunk(state, chunk, encoding);

  if (Buffer.isBuffer(chunk))
    encoding = 'buffer';
  var len = state.objectMode ? 1 : chunk.length;

  state.length += len;

  var ret = state.length < state.highWaterMark;
  // we must ensure that previous needDrain will not be reset to false.
  if (!ret)
    state.needDrain = true;

  if (state.writing || state.corked) {
    var last = state.lastBufferedRequest;
    state.lastBufferedRequest = new WriteReq(chunk, encoding, cb);
    if (last) {
      last.next = state.lastBufferedRequest;
    } else {
      state.bufferedRequest = state.lastBufferedRequest;
    }
  } else {
    doWrite(stream, state, false, len, chunk, encoding, cb);
  }

  return ret;
}

function doWrite(stream, state, writev, len, chunk, encoding, cb) {
  state.writelen = len;
  state.writecb = cb;
  state.writing = true;
  state.sync = true;
  if (writev)
    stream._writev(chunk, state.onwrite);
  else
    stream._write(chunk, encoding, state.onwrite);
  state.sync = false;
}

function onwriteError(stream, state, sync, er, cb) {
  --state.pendingcb;
  if (sync)
    processNextTick(cb, er);
  else
    cb(er);

  stream._writableState.errorEmitted = true;
  stream.emit('error', er);
}

function onwriteStateUpdate(state) {
  state.writing = false;
  state.writecb = null;
  state.length -= state.writelen;
  state.writelen = 0;
}

function onwrite(stream, er) {
  var state = stream._writableState;
  var sync = state.sync;
  var cb = state.writecb;

  onwriteStateUpdate(state);

  if (er)
    onwriteError(stream, state, sync, er, cb);
  else {
    // Check if we're actually ready to finish, but don't emit yet
    var finished = needFinish(state);

    if (!finished &&
        !state.corked &&
        !state.bufferProcessing &&
        state.bufferedRequest) {
      clearBuffer(stream, state);
    }

    if (sync) {
      processNextTick(afterWrite, stream, state, finished, cb);
    } else {
      afterWrite(stream, state, finished, cb);
    }
  }
}

function afterWrite(stream, state, finished, cb) {
  if (!finished)
    onwriteDrain(stream, state);
  state.pendingcb--;
  cb();
  finishMaybe(stream, state);
}

// Must force callback to be called on nextTick, so that we don't
// emit 'drain' before the write() consumer gets the 'false' return
// value, and has a chance to attach a 'drain' listener.
function onwriteDrain(stream, state) {
  if (state.length === 0 && state.needDrain) {
    state.needDrain = false;
    stream.emit('drain');
  }
}


// if there's something in the buffer waiting, then process it
function clearBuffer(stream, state) {
  state.bufferProcessing = true;
  var entry = state.bufferedRequest;

  if (stream._writev && entry && entry.next) {
    // Fast case, write everything using _writev()
    var buffer = [];
    var cbs = [];
    while (entry) {
      cbs.push(entry.callback);
      buffer.push(entry);
      entry = entry.next;
    }

    // count the one we are adding, as well.
    // TODO(isaacs) clean this up
    state.pendingcb++;
    state.lastBufferedRequest = null;
    doWrite(stream, state, true, state.length, buffer, '', function(err) {
      for (var i = 0; i < cbs.length; i++) {
        state.pendingcb--;
        cbs[i](err);
      }
    });

    // Clear buffer
  } else {
    // Slow case, write chunks one-by-one
    while (entry) {
      var chunk = entry.chunk;
      var encoding = entry.encoding;
      var cb = entry.callback;
      var len = state.objectMode ? 1 : chunk.length;

      doWrite(stream, state, false, len, chunk, encoding, cb);
      entry = entry.next;
      // if we didn't call the onwrite immediately, then
      // it means that we need to wait until it does.
      // also, that means that the chunk and cb are currently
      // being processed, so move the buffer counter past them.
      if (state.writing) {
        break;
      }
    }

    if (entry === null)
      state.lastBufferedRequest = null;
  }
  state.bufferedRequest = entry;
  state.bufferProcessing = false;
}

Writable.prototype._write = function(chunk, encoding, cb) {
  cb(new Error('not implemented'));
};

Writable.prototype._writev = null;

Writable.prototype.end = function(chunk, encoding, cb) {
  var state = this._writableState;

  if (typeof chunk === 'function') {
    cb = chunk;
    chunk = null;
    encoding = null;
  } else if (typeof encoding === 'function') {
    cb = encoding;
    encoding = null;
  }

  if (chunk !== null && chunk !== undefined)
    this.write(chunk, encoding);

  // .end() fully uncorks
  if (state.corked) {
    state.corked = 1;
    this.uncork();
  }

  // ignore unnecessary end() calls.
  if (!state.ending && !state.finished)
    endWritable(this, state, cb);
};


function needFinish(state) {
  return (state.ending &&
          state.length === 0 &&
          state.bufferedRequest === null &&
          !state.finished &&
          !state.writing);
}

function prefinish(stream, state) {
  if (!state.prefinished) {
    state.prefinished = true;
    stream.emit('prefinish');
  }
}

function finishMaybe(stream, state) {
  var need = needFinish(state);
  if (need) {
    if (state.pendingcb === 0) {
      prefinish(stream, state);
      state.finished = true;
      stream.emit('finish');
    } else {
      prefinish(stream, state);
    }
  }
  return need;
}

function endWritable(stream, state, cb) {
  state.ending = true;
  finishMaybe(stream, state);
  if (cb) {
    if (state.finished)
      processNextTick(cb);
    else
      stream.once('finish', cb);
  }
  state.ended = true;
}

},{"./_stream_duplex":13,"buffer":2,"core-util-is":18,"events":6,"inherits":7,"process-nextick-args":19,"util-deprecate":20}],18:[function(require,module,exports){
(function (Buffer){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
function isArray(ar) {
  return Array.isArray(ar);
}
exports.isArray = isArray;

function isBoolean(arg) {
  return typeof arg === 'boolean';
}
exports.isBoolean = isBoolean;

function isNull(arg) {
  return arg === null;
}
exports.isNull = isNull;

function isNullOrUndefined(arg) {
  return arg == null;
}
exports.isNullOrUndefined = isNullOrUndefined;

function isNumber(arg) {
  return typeof arg === 'number';
}
exports.isNumber = isNumber;

function isString(arg) {
  return typeof arg === 'string';
}
exports.isString = isString;

function isSymbol(arg) {
  return typeof arg === 'symbol';
}
exports.isSymbol = isSymbol;

function isUndefined(arg) {
  return arg === void 0;
}
exports.isUndefined = isUndefined;

function isRegExp(re) {
  return isObject(re) && objectToString(re) === '[object RegExp]';
}
exports.isRegExp = isRegExp;

function isObject(arg) {
  return typeof arg === 'object' && arg !== null;
}
exports.isObject = isObject;

function isDate(d) {
  return isObject(d) && objectToString(d) === '[object Date]';
}
exports.isDate = isDate;

function isError(e) {
  return isObject(e) &&
      (objectToString(e) === '[object Error]' || e instanceof Error);
}
exports.isError = isError;

function isFunction(arg) {
  return typeof arg === 'function';
}
exports.isFunction = isFunction;

function isPrimitive(arg) {
  return arg === null ||
         typeof arg === 'boolean' ||
         typeof arg === 'number' ||
         typeof arg === 'string' ||
         typeof arg === 'symbol' ||  // ES6 symbol
         typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;

function isBuffer(arg) {
  return Buffer.isBuffer(arg);
}
exports.isBuffer = isBuffer;

function objectToString(o) {
  return Object.prototype.toString.call(o);
}
}).call(this,{"isBuffer":require("../../../../insert-module-globals/node_modules/is-buffer/index.js")})
},{"../../../../insert-module-globals/node_modules/is-buffer/index.js":8}],19:[function(require,module,exports){
(function (process){
'use strict';
module.exports = nextTick;

function nextTick(fn) {
  var args = new Array(arguments.length - 1);
  var i = 0;
  while (i < args.length) {
    args[i++] = arguments[i];
  }
  process.nextTick(function afterTick() {
    fn.apply(null, args);
  });
}

}).call(this,require('_process'))
},{"_process":10}],20:[function(require,module,exports){
(function (global){

/**
 * Module exports.
 */

module.exports = deprecate;

/**
 * Mark that a method should not be used.
 * Returns a modified function which warns once by default.
 *
 * If `localStorage.noDeprecation = true` is set, then it is a no-op.
 *
 * If `localStorage.throwDeprecation = true` is set, then deprecated functions
 * will throw an Error when invoked.
 *
 * If `localStorage.traceDeprecation = true` is set, then deprecated functions
 * will invoke `console.trace()` instead of `console.error()`.
 *
 * @param {Function} fn - the function to deprecate
 * @param {String} msg - the string to print to the console when `fn` is invoked
 * @returns {Function} a new "deprecated" version of `fn`
 * @api public
 */

function deprecate (fn, msg) {
  if (config('noDeprecation')) {
    return fn;
  }

  var warned = false;
  function deprecated() {
    if (!warned) {
      if (config('throwDeprecation')) {
        throw new Error(msg);
      } else if (config('traceDeprecation')) {
        console.trace(msg);
      } else {
        console.warn(msg);
      }
      warned = true;
    }
    return fn.apply(this, arguments);
  }

  return deprecated;
}

/**
 * Checks `localStorage` for boolean values for the given `name`.
 *
 * @param {String} name
 * @returns {Boolean}
 * @api private
 */

function config (name) {
  // accessing global.localStorage can trigger a DOMException in sandboxed iframes
  try {
    if (!global.localStorage) return false;
  } catch (_) {
    return false;
  }
  var val = global.localStorage[name];
  if (null == val) return false;
  return String(val).toLowerCase() === 'true';
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],21:[function(require,module,exports){
module.exports = require("./lib/_stream_passthrough.js")

},{"./lib/_stream_passthrough.js":14}],22:[function(require,module,exports){
var Stream = (function (){
  try {
    return require('st' + 'ream'); // hack to fix a circular dependency issue when used with browserify
  } catch(_){}
}());
exports = module.exports = require('./lib/_stream_readable.js');
exports.Stream = Stream || exports;
exports.Readable = exports;
exports.Writable = require('./lib/_stream_writable.js');
exports.Duplex = require('./lib/_stream_duplex.js');
exports.Transform = require('./lib/_stream_transform.js');
exports.PassThrough = require('./lib/_stream_passthrough.js');

},{"./lib/_stream_duplex.js":13,"./lib/_stream_passthrough.js":14,"./lib/_stream_readable.js":15,"./lib/_stream_transform.js":16,"./lib/_stream_writable.js":17}],23:[function(require,module,exports){
module.exports = require("./lib/_stream_transform.js")

},{"./lib/_stream_transform.js":16}],24:[function(require,module,exports){
module.exports = require("./lib/_stream_writable.js")

},{"./lib/_stream_writable.js":17}],25:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

module.exports = Stream;

var EE = require('events').EventEmitter;
var inherits = require('inherits');

inherits(Stream, EE);
Stream.Readable = require('readable-stream/readable.js');
Stream.Writable = require('readable-stream/writable.js');
Stream.Duplex = require('readable-stream/duplex.js');
Stream.Transform = require('readable-stream/transform.js');
Stream.PassThrough = require('readable-stream/passthrough.js');

// Backwards-compat with node 0.4.x
Stream.Stream = Stream;



// old-style streams.  Note that the pipe method (the only relevant
// part of this class) is overridden in the Readable class.

function Stream() {
  EE.call(this);
}

Stream.prototype.pipe = function(dest, options) {
  var source = this;

  function ondata(chunk) {
    if (dest.writable) {
      if (false === dest.write(chunk) && source.pause) {
        source.pause();
      }
    }
  }

  source.on('data', ondata);

  function ondrain() {
    if (source.readable && source.resume) {
      source.resume();
    }
  }

  dest.on('drain', ondrain);

  // If the 'end' option is not supplied, dest.end() will be called when
  // source gets the 'end' or 'close' events.  Only dest.end() once.
  if (!dest._isStdio && (!options || options.end !== false)) {
    source.on('end', onend);
    source.on('close', onclose);
  }

  var didOnEnd = false;
  function onend() {
    if (didOnEnd) return;
    didOnEnd = true;

    dest.end();
  }


  function onclose() {
    if (didOnEnd) return;
    didOnEnd = true;

    if (typeof dest.destroy === 'function') dest.destroy();
  }

  // don't leave dangling pipes when there are errors.
  function onerror(er) {
    cleanup();
    if (EE.listenerCount(this, 'error') === 0) {
      throw er; // Unhandled stream error in pipe.
    }
  }

  source.on('error', onerror);
  dest.on('error', onerror);

  // remove all the event listeners that were added.
  function cleanup() {
    source.removeListener('data', ondata);
    dest.removeListener('drain', ondrain);

    source.removeListener('end', onend);
    source.removeListener('close', onclose);

    source.removeListener('error', onerror);
    dest.removeListener('error', onerror);

    source.removeListener('end', cleanup);
    source.removeListener('close', cleanup);

    dest.removeListener('close', cleanup);
  }

  source.on('end', cleanup);
  source.on('close', cleanup);

  dest.on('close', cleanup);

  dest.emit('pipe', source);

  // Allow for unix-like usage: A.pipe(B).pipe(C)
  return dest;
};

},{"events":6,"inherits":7,"readable-stream/duplex.js":12,"readable-stream/passthrough.js":21,"readable-stream/readable.js":22,"readable-stream/transform.js":23,"readable-stream/writable.js":24}],26:[function(require,module,exports){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var Buffer = require('buffer').Buffer;

var isBufferEncoding = Buffer.isEncoding
  || function(encoding) {
       switch (encoding && encoding.toLowerCase()) {
         case 'hex': case 'utf8': case 'utf-8': case 'ascii': case 'binary': case 'base64': case 'ucs2': case 'ucs-2': case 'utf16le': case 'utf-16le': case 'raw': return true;
         default: return false;
       }
     }


function assertEncoding(encoding) {
  if (encoding && !isBufferEncoding(encoding)) {
    throw new Error('Unknown encoding: ' + encoding);
  }
}

// StringDecoder provides an interface for efficiently splitting a series of
// buffers into a series of JS strings without breaking apart multi-byte
// characters. CESU-8 is handled as part of the UTF-8 encoding.
//
// @TODO Handling all encodings inside a single object makes it very difficult
// to reason about this code, so it should be split up in the future.
// @TODO There should be a utf8-strict encoding that rejects invalid UTF-8 code
// points as used by CESU-8.
var StringDecoder = exports.StringDecoder = function(encoding) {
  this.encoding = (encoding || 'utf8').toLowerCase().replace(/[-_]/, '');
  assertEncoding(encoding);
  switch (this.encoding) {
    case 'utf8':
      // CESU-8 represents each of Surrogate Pair by 3-bytes
      this.surrogateSize = 3;
      break;
    case 'ucs2':
    case 'utf16le':
      // UTF-16 represents each of Surrogate Pair by 2-bytes
      this.surrogateSize = 2;
      this.detectIncompleteChar = utf16DetectIncompleteChar;
      break;
    case 'base64':
      // Base-64 stores 3 bytes in 4 chars, and pads the remainder.
      this.surrogateSize = 3;
      this.detectIncompleteChar = base64DetectIncompleteChar;
      break;
    default:
      this.write = passThroughWrite;
      return;
  }

  // Enough space to store all bytes of a single character. UTF-8 needs 4
  // bytes, but CESU-8 may require up to 6 (3 bytes per surrogate).
  this.charBuffer = new Buffer(6);
  // Number of bytes received for the current incomplete multi-byte character.
  this.charReceived = 0;
  // Number of bytes expected for the current incomplete multi-byte character.
  this.charLength = 0;
};


// write decodes the given buffer and returns it as JS string that is
// guaranteed to not contain any partial multi-byte characters. Any partial
// character found at the end of the buffer is buffered up, and will be
// returned when calling write again with the remaining bytes.
//
// Note: Converting a Buffer containing an orphan surrogate to a String
// currently works, but converting a String to a Buffer (via `new Buffer`, or
// Buffer#write) will replace incomplete surrogates with the unicode
// replacement character. See https://codereview.chromium.org/121173009/ .
StringDecoder.prototype.write = function(buffer) {
  var charStr = '';
  // if our last write ended with an incomplete multibyte character
  while (this.charLength) {
    // determine how many remaining bytes this buffer has to offer for this char
    var available = (buffer.length >= this.charLength - this.charReceived) ?
        this.charLength - this.charReceived :
        buffer.length;

    // add the new bytes to the char buffer
    buffer.copy(this.charBuffer, this.charReceived, 0, available);
    this.charReceived += available;

    if (this.charReceived < this.charLength) {
      // still not enough chars in this buffer? wait for more ...
      return '';
    }

    // remove bytes belonging to the current character from the buffer
    buffer = buffer.slice(available, buffer.length);

    // get the character that was split
    charStr = this.charBuffer.slice(0, this.charLength).toString(this.encoding);

    // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
    var charCode = charStr.charCodeAt(charStr.length - 1);
    if (charCode >= 0xD800 && charCode <= 0xDBFF) {
      this.charLength += this.surrogateSize;
      charStr = '';
      continue;
    }
    this.charReceived = this.charLength = 0;

    // if there are no more bytes in this buffer, just emit our char
    if (buffer.length === 0) {
      return charStr;
    }
    break;
  }

  // determine and set charLength / charReceived
  this.detectIncompleteChar(buffer);

  var end = buffer.length;
  if (this.charLength) {
    // buffer the incomplete character bytes we got
    buffer.copy(this.charBuffer, 0, buffer.length - this.charReceived, end);
    end -= this.charReceived;
  }

  charStr += buffer.toString(this.encoding, 0, end);

  var end = charStr.length - 1;
  var charCode = charStr.charCodeAt(end);
  // CESU-8: lead surrogate (D800-DBFF) is also the incomplete character
  if (charCode >= 0xD800 && charCode <= 0xDBFF) {
    var size = this.surrogateSize;
    this.charLength += size;
    this.charReceived += size;
    this.charBuffer.copy(this.charBuffer, size, 0, size);
    buffer.copy(this.charBuffer, 0, 0, size);
    return charStr.substring(0, end);
  }

  // or just emit the charStr
  return charStr;
};

// detectIncompleteChar determines if there is an incomplete UTF-8 character at
// the end of the given buffer. If so, it sets this.charLength to the byte
// length that character, and sets this.charReceived to the number of bytes
// that are available for this character.
StringDecoder.prototype.detectIncompleteChar = function(buffer) {
  // determine how many bytes we have to check at the end of this buffer
  var i = (buffer.length >= 3) ? 3 : buffer.length;

  // Figure out if one of the last i bytes of our buffer announces an
  // incomplete char.
  for (; i > 0; i--) {
    var c = buffer[buffer.length - i];

    // See http://en.wikipedia.org/wiki/UTF-8#Description

    // 110XXXXX
    if (i == 1 && c >> 5 == 0x06) {
      this.charLength = 2;
      break;
    }

    // 1110XXXX
    if (i <= 2 && c >> 4 == 0x0E) {
      this.charLength = 3;
      break;
    }

    // 11110XXX
    if (i <= 3 && c >> 3 == 0x1E) {
      this.charLength = 4;
      break;
    }
  }
  this.charReceived = i;
};

StringDecoder.prototype.end = function(buffer) {
  var res = '';
  if (buffer && buffer.length)
    res = this.write(buffer);

  if (this.charReceived) {
    var cr = this.charReceived;
    var buf = this.charBuffer;
    var enc = this.encoding;
    res += buf.slice(0, cr).toString(enc);
  }

  return res;
};

function passThroughWrite(buffer) {
  return buffer.toString(this.encoding);
}

function utf16DetectIncompleteChar(buffer) {
  this.charReceived = buffer.length % 2;
  this.charLength = this.charReceived ? 2 : 0;
}

function base64DetectIncompleteChar(buffer) {
  this.charReceived = buffer.length % 3;
  this.charLength = this.charReceived ? 3 : 0;
}

},{"buffer":2}],27:[function(require,module,exports){
module.exports = function isBuffer(arg) {
  return arg && typeof arg === 'object'
    && typeof arg.copy === 'function'
    && typeof arg.fill === 'function'
    && typeof arg.readUInt8 === 'function';
}
},{}],28:[function(require,module,exports){
(function (process,global){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var formatRegExp = /%[sdj%]/g;
exports.format = function(f) {
  if (!isString(f)) {
    var objects = [];
    for (var i = 0; i < arguments.length; i++) {
      objects.push(inspect(arguments[i]));
    }
    return objects.join(' ');
  }

  var i = 1;
  var args = arguments;
  var len = args.length;
  var str = String(f).replace(formatRegExp, function(x) {
    if (x === '%%') return '%';
    if (i >= len) return x;
    switch (x) {
      case '%s': return String(args[i++]);
      case '%d': return Number(args[i++]);
      case '%j':
        try {
          return JSON.stringify(args[i++]);
        } catch (_) {
          return '[Circular]';
        }
      default:
        return x;
    }
  });
  for (var x = args[i]; i < len; x = args[++i]) {
    if (isNull(x) || !isObject(x)) {
      str += ' ' + x;
    } else {
      str += ' ' + inspect(x);
    }
  }
  return str;
};


// Mark that a method should not be used.
// Returns a modified function which warns once by default.
// If --no-deprecation is set, then it is a no-op.
exports.deprecate = function(fn, msg) {
  // Allow for deprecating things in the process of starting up.
  if (isUndefined(global.process)) {
    return function() {
      return exports.deprecate(fn, msg).apply(this, arguments);
    };
  }

  if (process.noDeprecation === true) {
    return fn;
  }

  var warned = false;
  function deprecated() {
    if (!warned) {
      if (process.throwDeprecation) {
        throw new Error(msg);
      } else if (process.traceDeprecation) {
        console.trace(msg);
      } else {
        console.error(msg);
      }
      warned = true;
    }
    return fn.apply(this, arguments);
  }

  return deprecated;
};


var debugs = {};
var debugEnviron;
exports.debuglog = function(set) {
  if (isUndefined(debugEnviron))
    debugEnviron = process.env.NODE_DEBUG || '';
  set = set.toUpperCase();
  if (!debugs[set]) {
    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
      var pid = process.pid;
      debugs[set] = function() {
        var msg = exports.format.apply(exports, arguments);
        console.error('%s %d: %s', set, pid, msg);
      };
    } else {
      debugs[set] = function() {};
    }
  }
  return debugs[set];
};


/**
 * Echos the value of a value. Trys to print the value out
 * in the best way possible given the different types.
 *
 * @param {Object} obj The object to print out.
 * @param {Object} opts Optional options object that alters the output.
 */
/* legacy: obj, showHidden, depth, colors*/
function inspect(obj, opts) {
  // default options
  var ctx = {
    seen: [],
    stylize: stylizeNoColor
  };
  // legacy...
  if (arguments.length >= 3) ctx.depth = arguments[2];
  if (arguments.length >= 4) ctx.colors = arguments[3];
  if (isBoolean(opts)) {
    // legacy...
    ctx.showHidden = opts;
  } else if (opts) {
    // got an "options" object
    exports._extend(ctx, opts);
  }
  // set default options
  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
  if (isUndefined(ctx.depth)) ctx.depth = 2;
  if (isUndefined(ctx.colors)) ctx.colors = false;
  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
  if (ctx.colors) ctx.stylize = stylizeWithColor;
  return formatValue(ctx, obj, ctx.depth);
}
exports.inspect = inspect;


// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
inspect.colors = {
  'bold' : [1, 22],
  'italic' : [3, 23],
  'underline' : [4, 24],
  'inverse' : [7, 27],
  'white' : [37, 39],
  'grey' : [90, 39],
  'black' : [30, 39],
  'blue' : [34, 39],
  'cyan' : [36, 39],
  'green' : [32, 39],
  'magenta' : [35, 39],
  'red' : [31, 39],
  'yellow' : [33, 39]
};

// Don't use 'blue' not visible on cmd.exe
inspect.styles = {
  'special': 'cyan',
  'number': 'yellow',
  'boolean': 'yellow',
  'undefined': 'grey',
  'null': 'bold',
  'string': 'green',
  'date': 'magenta',
  // "name": intentionally not styling
  'regexp': 'red'
};


function stylizeWithColor(str, styleType) {
  var style = inspect.styles[styleType];

  if (style) {
    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
           '\u001b[' + inspect.colors[style][1] + 'm';
  } else {
    return str;
  }
}


function stylizeNoColor(str, styleType) {
  return str;
}


function arrayToHash(array) {
  var hash = {};

  array.forEach(function(val, idx) {
    hash[val] = true;
  });

  return hash;
}


function formatValue(ctx, value, recurseTimes) {
  // Provide a hook for user-specified inspect functions.
  // Check that value is an object with an inspect function on it
  if (ctx.customInspect &&
      value &&
      isFunction(value.inspect) &&
      // Filter out the util module, it's inspect function is special
      value.inspect !== exports.inspect &&
      // Also filter out any prototype objects using the circular check.
      !(value.constructor && value.constructor.prototype === value)) {
    var ret = value.inspect(recurseTimes, ctx);
    if (!isString(ret)) {
      ret = formatValue(ctx, ret, recurseTimes);
    }
    return ret;
  }

  // Primitive types cannot have properties
  var primitive = formatPrimitive(ctx, value);
  if (primitive) {
    return primitive;
  }

  // Look up the keys of the object.
  var keys = Object.keys(value);
  var visibleKeys = arrayToHash(keys);

  if (ctx.showHidden) {
    keys = Object.getOwnPropertyNames(value);
  }

  // IE doesn't make error fields non-enumerable
  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
  if (isError(value)
      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
    return formatError(value);
  }

  // Some type of object without properties can be shortcutted.
  if (keys.length === 0) {
    if (isFunction(value)) {
      var name = value.name ? ': ' + value.name : '';
      return ctx.stylize('[Function' + name + ']', 'special');
    }
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    }
    if (isDate(value)) {
      return ctx.stylize(Date.prototype.toString.call(value), 'date');
    }
    if (isError(value)) {
      return formatError(value);
    }
  }

  var base = '', array = false, braces = ['{', '}'];

  // Make Array say that they are Array
  if (isArray(value)) {
    array = true;
    braces = ['[', ']'];
  }

  // Make functions say that they are functions
  if (isFunction(value)) {
    var n = value.name ? ': ' + value.name : '';
    base = ' [Function' + n + ']';
  }

  // Make RegExps say that they are RegExps
  if (isRegExp(value)) {
    base = ' ' + RegExp.prototype.toString.call(value);
  }

  // Make dates with properties first say the date
  if (isDate(value)) {
    base = ' ' + Date.prototype.toUTCString.call(value);
  }

  // Make error with message first say the error
  if (isError(value)) {
    base = ' ' + formatError(value);
  }

  if (keys.length === 0 && (!array || value.length == 0)) {
    return braces[0] + base + braces[1];
  }

  if (recurseTimes < 0) {
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    } else {
      return ctx.stylize('[Object]', 'special');
    }
  }

  ctx.seen.push(value);

  var output;
  if (array) {
    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
  } else {
    output = keys.map(function(key) {
      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
    });
  }

  ctx.seen.pop();

  return reduceToSingleString(output, base, braces);
}


function formatPrimitive(ctx, value) {
  if (isUndefined(value))
    return ctx.stylize('undefined', 'undefined');
  if (isString(value)) {
    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
                                             .replace(/'/g, "\\'")
                                             .replace(/\\"/g, '"') + '\'';
    return ctx.stylize(simple, 'string');
  }
  if (isNumber(value))
    return ctx.stylize('' + value, 'number');
  if (isBoolean(value))
    return ctx.stylize('' + value, 'boolean');
  // For some reason typeof null is "object", so special case here.
  if (isNull(value))
    return ctx.stylize('null', 'null');
}


function formatError(value) {
  return '[' + Error.prototype.toString.call(value) + ']';
}


function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
  var output = [];
  for (var i = 0, l = value.length; i < l; ++i) {
    if (hasOwnProperty(value, String(i))) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          String(i), true));
    } else {
      output.push('');
    }
  }
  keys.forEach(function(key) {
    if (!key.match(/^\d+$/)) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          key, true));
    }
  });
  return output;
}


function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
  var name, str, desc;
  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
  if (desc.get) {
    if (desc.set) {
      str = ctx.stylize('[Getter/Setter]', 'special');
    } else {
      str = ctx.stylize('[Getter]', 'special');
    }
  } else {
    if (desc.set) {
      str = ctx.stylize('[Setter]', 'special');
    }
  }
  if (!hasOwnProperty(visibleKeys, key)) {
    name = '[' + key + ']';
  }
  if (!str) {
    if (ctx.seen.indexOf(desc.value) < 0) {
      if (isNull(recurseTimes)) {
        str = formatValue(ctx, desc.value, null);
      } else {
        str = formatValue(ctx, desc.value, recurseTimes - 1);
      }
      if (str.indexOf('\n') > -1) {
        if (array) {
          str = str.split('\n').map(function(line) {
            return '  ' + line;
          }).join('\n').substr(2);
        } else {
          str = '\n' + str.split('\n').map(function(line) {
            return '   ' + line;
          }).join('\n');
        }
      }
    } else {
      str = ctx.stylize('[Circular]', 'special');
    }
  }
  if (isUndefined(name)) {
    if (array && key.match(/^\d+$/)) {
      return str;
    }
    name = JSON.stringify('' + key);
    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
      name = name.substr(1, name.length - 2);
      name = ctx.stylize(name, 'name');
    } else {
      name = name.replace(/'/g, "\\'")
                 .replace(/\\"/g, '"')
                 .replace(/(^"|"$)/g, "'");
      name = ctx.stylize(name, 'string');
    }
  }

  return name + ': ' + str;
}


function reduceToSingleString(output, base, braces) {
  var numLinesEst = 0;
  var length = output.reduce(function(prev, cur) {
    numLinesEst++;
    if (cur.indexOf('\n') >= 0) numLinesEst++;
    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
  }, 0);

  if (length > 60) {
    return braces[0] +
           (base === '' ? '' : base + '\n ') +
           ' ' +
           output.join(',\n  ') +
           ' ' +
           braces[1];
  }

  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}


// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
function isArray(ar) {
  return Array.isArray(ar);
}
exports.isArray = isArray;

function isBoolean(arg) {
  return typeof arg === 'boolean';
}
exports.isBoolean = isBoolean;

function isNull(arg) {
  return arg === null;
}
exports.isNull = isNull;

function isNullOrUndefined(arg) {
  return arg == null;
}
exports.isNullOrUndefined = isNullOrUndefined;

function isNumber(arg) {
  return typeof arg === 'number';
}
exports.isNumber = isNumber;

function isString(arg) {
  return typeof arg === 'string';
}
exports.isString = isString;

function isSymbol(arg) {
  return typeof arg === 'symbol';
}
exports.isSymbol = isSymbol;

function isUndefined(arg) {
  return arg === void 0;
}
exports.isUndefined = isUndefined;

function isRegExp(re) {
  return isObject(re) && objectToString(re) === '[object RegExp]';
}
exports.isRegExp = isRegExp;

function isObject(arg) {
  return typeof arg === 'object' && arg !== null;
}
exports.isObject = isObject;

function isDate(d) {
  return isObject(d) && objectToString(d) === '[object Date]';
}
exports.isDate = isDate;

function isError(e) {
  return isObject(e) &&
      (objectToString(e) === '[object Error]' || e instanceof Error);
}
exports.isError = isError;

function isFunction(arg) {
  return typeof arg === 'function';
}
exports.isFunction = isFunction;

function isPrimitive(arg) {
  return arg === null ||
         typeof arg === 'boolean' ||
         typeof arg === 'number' ||
         typeof arg === 'string' ||
         typeof arg === 'symbol' ||  // ES6 symbol
         typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;

exports.isBuffer = require('./support/isBuffer');

function objectToString(o) {
  return Object.prototype.toString.call(o);
}


function pad(n) {
  return n < 10 ? '0' + n.toString(10) : n.toString(10);
}


var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
              'Oct', 'Nov', 'Dec'];

// 26 Feb 16:19:34
function timestamp() {
  var d = new Date();
  var time = [pad(d.getHours()),
              pad(d.getMinutes()),
              pad(d.getSeconds())].join(':');
  return [d.getDate(), months[d.getMonth()], time].join(' ');
}


// log is just a thin wrapper to console.log that prepends a timestamp
exports.log = function() {
  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};


/**
 * Inherit the prototype methods from one constructor into another.
 *
 * The Function.prototype.inherits from lang.js rewritten as a standalone
 * function (not on Function.prototype). NOTE: If this file is to be loaded
 * during bootstrapping this function needs to be rewritten using some native
 * functions as prototype setup using normal JavaScript does not work as
 * expected during bootstrapping (see mirror.js in r114903).
 *
 * @param {function} ctor Constructor function which needs to inherit the
 *     prototype.
 * @param {function} superCtor Constructor function to inherit prototype from.
 */
exports.inherits = require('inherits');

exports._extend = function(origin, add) {
  // Don't do anything if add isn't an object
  if (!add || !isObject(add)) return origin;

  var keys = Object.keys(add);
  var i = keys.length;
  while (i--) {
    origin[keys[i]] = add[keys[i]];
  }
  return origin;
};

function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop);
}

}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./support/isBuffer":27,"_process":10,"inherits":7}],29:[function(require,module,exports){
var util = require('util');
var intersect = require('intersect');
var WildEmitter = require('wildemitter');
var webrtc = require('webrtcsupport');

var BaseSession = require('jingle-session');
var MediaSession = require('jingle-media-session');
var FileSession = require('jingle-filetransfer-session');


function SessionManager(conf) {
    WildEmitter.call(this);

    conf = conf || {};

    this.jid = conf.jid;
    this.selfID = conf.selfID || (this.jid && this.jid.full) || this.jid || '';

    this.sessions = {};
    this.peers = {};

    this.prepareSession = conf.prepareSession || function (opts) {
        if (opts.descriptionTypes.indexOf('rtp') >= 0) {
            return new MediaSession(opts);
        }
        if (opts.descriptionTypes.indexOf('filetransfer') >= 0) {
            return new FileSession(opts);
        }
    };

    this.performTieBreak = conf.performTieBreak || function (sess, req) {
        var descriptionTypes = req.jingle.contents.map(function (content) {
            if (content.description) {
                return content.description.descType;
            }
        });

        var matching = intersect(sess.pendingDescriptionTypes, descriptionTypes);

        return matching.length > 0;
    };

    this.screenSharingSupport = webrtc.screenSharing;

    this.capabilities = [
        'urn:xmpp:jingle:1'
    ];
    if (webrtc.support) {
        this.capabilities = [
            'urn:xmpp:jingle:1',
            'urn:xmpp:jingle:apps:rtp:1',
            'urn:xmpp:jingle:apps:rtp:audio',
            'urn:xmpp:jingle:apps:rtp:video',
            'urn:xmpp:jingle:apps:rtp:rtcb-fb:0',
            'urn:xmpp:jingle:apps:rtp:rtp-hdrext:0',
            'urn:xmpp:jingle:apps:rtp:ssma:0',
            'urn:xmpp:jingle:apps:dtls:0',
            'urn:xmpp:jingle:apps:grouping:0',
            'urn:xmpp:jingle:apps:file-transfer:3',
            'urn:xmpp:jingle:transports:ice-udp:1',
            'urn:xmpp:jingle:transports.dtls-sctp:1',
            'urn:ietf:rfc:3264',
            'urn:ietf:rfc:5576',
            'urn:ietf:rfc:5888'
        ];
    }

    this.config = {
        debug: false,
        peerConnectionConfig: {
            iceServers: conf.iceServers || [{'url': 'stun:stun.l.google.com:19302'}]
        },
        peerConnectionConstraints: {
            optional: [
                {DtlsSrtpKeyAgreement: true},
                {RtpDataChannels: false}
            ]
        },
        media: {
            audio: true,
            video: true
        }
    };

    for (var item in conf) {
        this.config[item] = conf[item];
    }

    this.iceServers = this.config.peerConnectionConfig.iceServers;
}


util.inherits(SessionManager, WildEmitter);


SessionManager.prototype.addICEServer = function (server) {
    // server == {
    //    url: '',
    //    [username: '',]
    //    [credential: '']
    // }
    if (typeof server === 'string') {
        server = {url: server};
    }
    this.iceServers.push(server);
};

SessionManager.prototype.addSession = function (session) {
    var self = this;

    var sid = session.sid;
    var peer = session.peerID;

    this.sessions[sid] = session;
    if (!this.peers[peer]) {
        this.peers[peer] = [];
    }

    this.peers[peer].push(session);

    // Automatically clean up tracked sessions
    session.on('terminated', function () {
        var peers = self.peers[peer] || [];
        if (peers.length) {
            peers.splice(peers.indexOf(session), 1);
        }
        delete self.sessions[sid];
    });

    // Proxy session events
    session.on('*', function (name, data, extraData, extraData2) {
        // Listen for when we actually try to start a session to
        // trigger the outgoing event.
        if (name === 'send') {
            var action = data.jingle && data.jingle.action;
            if (session.isInitiator && action === 'session-initiate') {
                self.emit('outgoing', session);
            }
        }

        if (self.config.debug && (name === 'log:debug' || name === 'log:error')) {
            console.log('Jingle:', data, extraData, extraData2);
        }

        // Don't proxy change:* events, since those don't apply to
        // the session manager itself.
        if (name.indexOf('change') === 0) {
            return;
        }

        self.emit(name, data, extraData, extraData2);
    });

    this.emit('createdSession', session);

    return session;
};

SessionManager.prototype.createMediaSession = function (peer, sid, stream) {
    var session = new MediaSession({
        sid: sid,
        peer: peer,
        initiator: true,
        stream: stream,
        parent: this,
        iceServers: this.iceServers,
        constraints: this.config.peerConnectionConstraints
    });

    this.addSession(session);

    return session;
};

SessionManager.prototype.createFileTransferSession = function (peer, sid) {
    var session = new FileSession({
        sid: sid,
        peer: peer,
        initiator: true,
        parent: this
    });

    this.addSession(session);

    return session;
};

SessionManager.prototype.endPeerSessions = function (peer, reason, silent) {
    peer = peer.full || peer;

    var sessions = this.peers[peer] || [];
    delete this.peers[peer];

    sessions.forEach(function (session) {
        session.end(reason || 'gone', silent);
    });
};

SessionManager.prototype.endAllSessions = function (reason, silent) {
    var self = this;
    Object.keys(this.peers).forEach(function (peer) {
        self.endPeerSessions(peer, reason, silent);
    });
};

SessionManager.prototype._createIncomingSession = function (meta, req) {
    var session;

    if (this.prepareSession) {
        session = this.prepareSession(meta, req);
    }

    // Fallback to a generic session type, which can
    // only be used to end the session.

    if (!session) {
        session = new BaseSession(meta);
    }

    this.addSession(session);

    return session;
};

SessionManager.prototype._sendError = function (to, id, data) {
    if (!data.type) {
        data.type = 'cancel';
    }
    this.emit('send', {
        to: to,
        id: id,
        type: 'error',
        error: data
    });
};

SessionManager.prototype._log = function (level, message) {
    this.emit('log:' + level, message);
};

SessionManager.prototype.process = function (req) {
    var self = this;

    // Extract the request metadata that we need to verify
    var sid = !!req.jingle ? req.jingle.sid : null;
    var session = this.sessions[sid] || null;
    var rid = req.id;
    var sender = req.from.full || req.from;


    if (req.type === 'error') {
        var isTieBreak = req.error && req.error.jingleCondition === 'tie-break';
        if (session && session.pending && isTieBreak) {
            return session.end('alternative-session', true);
        } else {
            if (session) {
                session.pendingAction = false;
            }
            return this.emit('error', req);
        }
    }

    if (req.type === 'result') {
        if (session) {
            session.pendingAction = false;
        }
        return;
    }

    var action = req.jingle.action;
    var contents = req.jingle.contents || [];

    var descriptionTypes = contents.map(function (content) {
        if (content.description) {
            return content.description.descType;
        }
    });
    var transportTypes = contents.map(function (content) {
        if (content.transport) {
            return content.transport.transType;
        }
    });


    // Now verify that we are allowed to actually process the
    // requested action

    if (action !== 'session-initiate') {
        // Can't modify a session that we don't have.
        if (!session) {
            this._log('error', 'Unknown session', sid);
            return this._sendError(sender, rid, {
                condition: 'item-not-found',
                jingleCondition: 'unknown-session'
            });
        }

        // Check if someone is trying to hijack a session.
        if (session.peerID !== sender || session.ended) {
            this._log('error', 'Session has ended, or action has wrong sender');
            return this._sendError(sender, rid, {
                condition: 'item-not-found',
                jingleCondition: 'unknown-session'
            });
        }

        // Can't accept a session twice
        if (action === 'session-accept' && !session.pending) {
            this._log('error', 'Tried to accept session twice', sid);
            return this._sendError(sender, rid, {
                condition: 'unexpected-request',
                jingleCondition: 'out-of-order'
            });
        }

        // Can't process two requests at once, need to tie break
        if (action !== 'session-terminate' && action === session.pendingAction) {
            this._log('error', 'Tie break during pending request');
            if (session.isInitiator) {
                return this._sendError(sender, rid, {
                    condition: 'conflict',
                    jingleCondition: 'tie-break'
                });
            }
        }
    } else if (session) {
        // Don't accept a new session if we already have one.
        if (session.peerID !== sender) {
            this._log('error', 'Duplicate sid from new sender');
            return this._sendError(sender, rid, {
                condition: 'service-unavailable'
            });
        }

        // Check if we need to have a tie breaker because both parties
        // happened to pick the same random sid.
        if (session.pending) {
            if (this.selfID > session.peerID && this.performTieBreak(session, req)) {
                this._log('error', 'Tie break new session because of duplicate sids');
                return this._sendError(sender, rid, {
                    condition: 'conflict',
                    jingleCondition: 'tie-break'
                });
            }
        } else {
            // The other side is just doing it wrong.
            this._log('error', 'Someone is doing this wrong');
            return this._sendError(sender, rid, {
                condition: 'unexpected-request',
                jingleCondition: 'out-of-order'
            });
        }
    } else if (this.peers[sender] && this.peers[sender].length) {
        // Check if we need to have a tie breaker because we already have
        // a different session with this peer that is using the requested
        // content description types.
        for (var i = 0, len = this.peers[sender].length; i < len; i++) {
            var sess = this.peers[sender][i];
            if (sess && sess.pending && sess.sid > sid && this.performTieBreak(sess, req)) {
                this._log('info', 'Tie break session-initiate');
                return this._sendError(sender, rid, {
                    condition: 'conflict',
                    jingleCondition: 'tie-break'
                });
            }
        }
    }

    // We've now weeded out invalid requests, so we can process the action now.

    if (action === 'session-initiate') {
        if (!contents.length) {
            return self._sendError(sender, rid, {
                condition: 'bad-request'
            });
        }

        session = this._createIncomingSession({
            sid: sid,
            peer: req.from,
            peerID: sender,
            initiator: false,
            parent: this,
            descriptionTypes: descriptionTypes,
            transportTypes: transportTypes,
            iceServers: this.iceServers,
            constraints: this.config.peerConnectionConstraints
        }, req);
    }

    session.process(action, req.jingle, function (err) {
        if (err) {
            self._log('error', 'Could not process request', req, err);
            self._sendError(sender, rid, err);
        } else {
            self.emit('send', {
                to: sender,
                id: rid,
                type: 'result',
            });

            // Wait for the initial action to be processed before emitting
            // the session for the user to accept/reject.
            if (action === 'session-initiate') {
                self.emit('incoming', session);
            }
        }
    });
};


module.exports = SessionManager;

},{"intersect":31,"jingle-filetransfer-session":32,"jingle-media-session":86,"jingle-session":118,"util":28,"webrtcsupport":123,"wildemitter":124}],30:[function(require,module,exports){
var arr = [];
var each = arr.forEach;
var slice = arr.slice;


module.exports = function(obj) {
    each.call(slice.call(arguments, 1), function(source) {
        if (source) {
            for (var prop in source) {
                obj[prop] = source[prop];
            }
        }
    });
    return obj;
};

},{}],31:[function(require,module,exports){
module.exports = intersect;

function intersect (a, b) {
  var res = [];
  for (var i = 0; i < a.length; i++) {
    if (indexOf(b, a[i]) > -1) res.push(a[i]);
  }
  return res;
}

intersect.big = function(a, b) {
  var ret = [];
  var temp = {};
  
  for (var i = 0; i < b.length; i++) {
    temp[b[i]] = true;
  }
  for (var i = 0; i < a.length; i++) {
    if (temp[a[i]]) ret.push(a[i]);
  }
  
  return ret;
}

function indexOf(arr, el) {
  for (var i = 0; i < arr.length; i++) {
    if (arr[i] === el) return i;
  }
  return -1;
}

},{}],32:[function(require,module,exports){
var util = require('util');
var extend = require('extend-object');
var BaseSession = require('jingle-session');
var RTCPeerConnection = require('rtcpeerconnection');
var FileTransfer = require('filetransfer/hashed');


function FileTransferSession(opts) {
    BaseSession.call(this, opts);

    this.pc = new RTCPeerConnection({
        iceServers: opts.iceServers || [],
        useJingle: true
    }, opts.constraints || {});

    this.pc.on('ice', this.onIceCandidate.bind(this));
    this.pc.on('iceConnectionStateChange', this.onIceStateChange.bind(this));
    this.pc.on('addChannel', this.onChannelAdded.bind(this));

    this.sender = null;
    this.receiver = null;
}


util.inherits(FileTransferSession, BaseSession);


FileTransferSession.prototype = extend(FileTransferSession.prototype, {

    // ----------------------------------------------------------------
    // Session control methods
    // ----------------------------------------------------------------

    start: function (file) {
        var self = this;
        this.state = 'pending';

        this.pc.isInitiator = true;

        this.sender = new FileTransfer.Sender();
        this.sender.on('progress', function (sent, size) {
            self._log('info', 'Send progress ' + sent + '/' + size);
        });
        this.sender.on('sentFile', function (meta) {
            self._log('info', 'Sent file', meta.name);

            var content = self.pc.localDescription.contents[0];
            delete content.transport;

            content.description = {
                descType: 'filetransfer',
                offer: {
                    hash: {
                        algo: meta.algo,
                        value: meta.hash
                    }
                }
            };

            self.send('description-info', {
                contents: [content]
            });
            self.emit('sentFile', self, meta);
        });

        var sendChannel = this.pc.createDataChannel('filetransfer');
        sendChannel.onopen = function () {
            self.sender.send(file, sendChannel);
        };

        var constraints = {
            mandatory: {
                OfferToReceiveAudio: false,
                OfferToReceiveVideo: false
            }
        };

        this.pc.offer(constraints, function (err, offer) {
            if (err) {
                self._log('error', 'Could not create WebRTC offer', err);
                return self.end('failed-application', true);
            }

            offer.jingle.contents[0].description = {
                descType: 'filetransfer',
                offer: {
                    date: file.lastModifiedDate,
                    name: file.name,
                    size: file.size,
                    hash: {
                        algo: 'sha-1',
                        value: ''
                    }
                }
            };

            self.send('session-initiate', offer.jingle);
        });
    },

    accept: function () {
        var self = this;

        this._log('info', 'Accepted incoming session');

        this.state = 'active';

        this.pc.answer(function (err, answer) {
            if (err) {
                self._log('error', 'Could not create WebRTC answer', err);
                return self.end('failed-application');
            }
            self.send('session-accept', answer.jingle);
        });
    },

    end: function (reason, silent) {
        this.pc.close();
        BaseSession.prototype.end.call(this, reason, silent);
    },

    maybeReceivedFile: function () {
        if (!this.receiver.metadata.hash.value) {
            // unknown hash, file transfer not completed
        } else if (this.receiver.metadata.hash.value === this.receiver.metadata.actualhash) {
            this._log('info', 'File hash matches');
            this.emit('receivedFile', this, this.receivedFile, this.receiver.metadata);
            this.end('success');
        } else {
            this._log('error', 'File hash does not match');
            this.end('media-error');
        }
    },

    // ----------------------------------------------------------------
    // ICE action handers
    // ----------------------------------------------------------------

    onIceCandidate: function (candidate) {
        this._log('info', 'Discovered new ICE candidate', candidate.jingle);
        this.send('transport-info', candidate.jingle);
    },

    onIceStateChange: function () {
        switch (this.pc.iceConnectionState) {
            case 'checking':
                this.connectionState = 'connecting';
                break;
            case 'completed':
            case 'connected':
                this.connectionState = 'connected';
                break;
            case 'disconnected':
                if (this.pc.signalingState === 'stable') {
                    this.connectionState = 'interrupted';
                } else {
                    this.connectionState = 'disconnected';
                }
                break;
            case 'failed':
                this.connectionState = 'failed';
                this.end('failed-transport');
                break;
            case 'closed':
                this.connectionState = 'disconnected';
                break;
        }
    },

    onChannelAdded: function (channel) {
        this.receiver.receive(null, channel);
    },

    // ----------------------------------------------------------------
    // Jingle action handers
    // ----------------------------------------------------------------

    onSessionInitiate: function (changes, cb) {
        var self = this;

        this._log('info', 'Initiating incoming session');

        this.state = 'pending';

        this.pc.isInitiator = false;

        var desc = changes.contents[0].description;


        this.receiver = new FileTransfer.Receiver({hash: desc.offer.hash.algo});
        this.receiver.on('progress', function (received, size) {
            self._log('info', 'Receive progress ' + received + '/' + size);
        });
        this.receiver.on('receivedFile', function (file) {
            self.receivedFile = file;
            self.maybeReceivedFile();
        });
        this.receiver.metadata = desc.offer;

        changes.contents[0].description = {
            descType: 'datachannel'
        };

        this.pc.handleOffer({
            type: 'offer',
            jingle: changes
        }, function (err) {
            if (err) {
                self._log('error', 'Could not create WebRTC answer');
                return cb({condition: 'general-error'});
            }
            cb();
        });
    },

    onSessionAccept: function (changes, cb) {
        var self = this;

        this.state = 'active';
        
        changes.contents[0].description = {
            descType: 'datachannel'
        };

        this.pc.handleAnswer({
            type: 'answer',
            jingle: changes
        }, function (err) {
            if (err) {
                self._log('error', 'Could not process WebRTC answer');
                return cb({condition: 'general-error'});
            }
            self.emit('accepted', self);
            cb();
        });
    },

    onSessionTerminate: function (changes, cb) {
        this._log('info', 'Terminating session');
        this.pc.close();
        BaseSession.prototype.end.call(this, changes.reason, true);
        cb();
    },

    onDescriptionInfo: function (info, cb) {
        var hash = info.contents[0].description.offer.hash;
        this.receiver.metadata.hash = hash;
        if (this.receiver.metadata.actualhash) {
            this.maybeReceivedFile();
        }
        cb();
    },

    onTransportInfo: function (changes, cb) {
        this.pc.processIce(changes, function () {
            cb();
        });
    }
});


module.exports = FileTransferSession;

},{"extend-object":30,"filetransfer/hashed":34,"jingle-session":118,"rtcpeerconnection":85,"util":28}],33:[function(require,module,exports){
var WildEmitter = require('wildemitter');
var util = require('util');

function Sender(opts) {
    WildEmitter.call(this);
    var options = opts || {};
    this.config = {
        chunksize: 16384,
        pacing: 0
    };
    // set our config from options
    var item;
    for (item in options) {
        this.config[item] = options[item];
    }

    this.file = null;
    this.channel = null;
}
util.inherits(Sender, WildEmitter);

Sender.prototype.send = function (file, channel) {
    var self = this;
    this.file = file;
    this.channel = channel;
    var sliceFile = function(offset) {
        var reader = new window.FileReader();
        reader.onload = (function() {
            return function(e) {
                self.channel.send(e.target.result);
                self.emit('progress', offset, file.size, e.target.result);
                if (file.size > offset + e.target.result.byteLength) {
                    window.setTimeout(sliceFile, self.config.pacing, offset + self.config.chunksize);
                } else {
                    self.emit('progress', file.size, file.size, null);
                    self.emit('sentFile');
                }
            };
        })(file);
        var slice = file.slice(offset, offset + self.config.chunksize);
        reader.readAsArrayBuffer(slice);
    };
    window.setTimeout(sliceFile, 0, 0);
};

function Receiver() {
    WildEmitter.call(this);

    this.receiveBuffer = [];
    this.received = 0;
    this.metadata = {};
    this.channel = null;
}
util.inherits(Receiver, WildEmitter);

Receiver.prototype.receive = function (metadata, channel) {
    var self = this;

    if (metadata) {
        this.metadata = metadata;
    }
    this.channel = channel;
    // chrome only supports arraybuffers and those make it easier to calc the hash
    channel.binaryType = 'arraybuffer';
    this.channel.onmessage = function (event) {
        var len = event.data.byteLength;
        self.received += len;
        self.receiveBuffer.push(event.data);

        self.emit('progress', self.received, self.metadata.size, event.data);
        if (self.received === self.metadata.size) {
            self.emit('receivedFile', new window.Blob(self.receiveBuffer), self.metadata);
            self.receiveBuffer = []; // discard receivebuffer
        } else if (self.received > self.metadata.size) {
            // FIXME
            console.error('received more than expected, discarding...');
            self.receiveBuffer = []; // just discard...

        }
    };
};

module.exports = {};
module.exports.support = typeof window !== 'undefined' && window && window.File && window.FileReader && window.Blob;
module.exports.Sender = Sender;
module.exports.Receiver = Receiver;

},{"util":28,"wildemitter":53}],34:[function(require,module,exports){
var WildEmitter = require('wildemitter');
var util = require('util');
var hashes = require('iana-hashes');
var base = require('./filetransfer');

// drop-in replacement for filetransfer which also calculates hashes
function Sender(opts) {
    WildEmitter.call(this);
    var self = this;
    this.base = new base.Sender(opts);

    var options = opts || {};
    if (!options.hash) {
        options.hash = 'sha-1';
    }
    this.hash = hashes.createHash(options.hash);

    this.base.on('progress', function (start, size, data) {
        self.emit('progress', start, size, data);
        if (data) {
            self.hash.update(new Uint8Array(data));
        }
    });
    this.base.on('sentFile', function () {
        self.emit('sentFile', {hash: self.hash.digest('hex'), algo: options.hash });
    });
}
util.inherits(Sender, WildEmitter);
Sender.prototype.send = function () {
    this.base.send.apply(this.base, arguments);
};

function Receiver(opts) {
    WildEmitter.call(this);
    var self = this;
    this.base = new base.Receiver(opts);

    var options = opts || {};
    if (!options.hash) {
        options.hash = 'sha-1';
    }
    this.hash = hashes.createHash(options.hash);

    this.base.on('progress', function (start, size, data) {
        self.emit('progress', start, size, data);
        if (data) {
            self.hash.update(new Uint8Array(data));
        }
    });
    this.base.on('receivedFile', function (file, metadata) {
        metadata.actualhash = self.hash.digest('hex');
        self.emit('receivedFile', file, metadata);
    });
}
util.inherits(Receiver, WildEmitter);
Receiver.prototype.receive = function () {
    this.base.receive.apply(this.base, arguments);
};
Object.defineProperty(Receiver.prototype, 'metadata', {
    get: function () {
        return this.base.metadata;
    },
    set: function (value) {
        this.base.metadata = value;
    }
});

module.exports = {};
module.exports.support = base.support;
module.exports.Sender = Sender;
module.exports.Receiver = Receiver;

},{"./filetransfer":33,"iana-hashes":35,"util":28,"wildemitter":53}],35:[function(require,module,exports){
var createHash = require('create-hash');
var createHmac = require('create-hmac');
var getHashes = require('./lib/get-hashes');

var mapping = {
    md2: 'md2',
    md5: 'md5',
    'sha-1': 'sha1',
    'sha-224': 'sha224',
    'sha-256': 'sha256',
    'sha-384': 'sha384',
    'sha-512': 'sha512'
};

var names = Object.keys(mapping);


exports.getHashes = function () {
    var result = [];
    var available = getHashes();
    for (var i = 0, len = names.length; i < len; i++) {
        if (available.indexOf(mapping[names[i]]) >= 0) {
            result.push(names[i]);
        }
    }
    return result;
};

exports.createHash = function (algorithm) {
    algorithm = algorithm.toLowerCase();
    if (mapping[algorithm]) {
        algorithm = mapping[algorithm];
    }
    return createHash(algorithm);
};

exports.createHmac = function (algorithm, key) {
    algorithm = algorithm.toLowerCase();
    if (mapping[algorithm]) {
        algorithm = mapping[algorithm];
    }
    return createHmac(algorithm, key);
};

},{"./lib/get-hashes":36,"create-hash":37,"create-hmac":51}],36:[function(require,module,exports){
module.exports = function () {
    return ['sha1', 'sha224', 'sha256', 'sha384', 'sha512', 'md5', 'rmd160'];
};

},{}],37:[function(require,module,exports){
(function (Buffer){
'use strict';
var inherits = require('inherits')
var md5 = require('./md5')
var rmd160 = require('ripemd160')
var sha = require('sha.js')

var Base = require('cipher-base')

function HashNoConstructor(hash) {
  Base.call(this, 'digest')

  this._hash = hash
  this.buffers = []
}

inherits(HashNoConstructor, Base)

HashNoConstructor.prototype._update = function (data) {
  this.buffers.push(data)
}

HashNoConstructor.prototype._final = function () {
  var buf = Buffer.concat(this.buffers)
  var r = this._hash(buf)
  this.buffers = null

  return r
}

function Hash(hash) {
  Base.call(this, 'digest')

  this._hash = hash
}

inherits(Hash, Base)

Hash.prototype._update = function (data) {
  this._hash.update(data)
}

Hash.prototype._final = function () {
  return this._hash.digest()
}

module.exports = function createHash (alg) {
  alg = alg.toLowerCase()
  if ('md5' === alg) return new HashNoConstructor(md5)
  if ('rmd160' === alg || 'ripemd160' === alg) return new HashNoConstructor(rmd160)

  return new Hash(sha(alg))
}

}).call(this,require("buffer").Buffer)
},{"./md5":39,"buffer":2,"cipher-base":40,"inherits":41,"ripemd160":42,"sha.js":44}],38:[function(require,module,exports){
(function (Buffer){
'use strict';
var intSize = 4;
var zeroBuffer = new Buffer(intSize); zeroBuffer.fill(0);
var chrsz = 8;

function toArray(buf, bigEndian) {
  if ((buf.length % intSize) !== 0) {
    var len = buf.length + (intSize - (buf.length % intSize));
    buf = Buffer.concat([buf, zeroBuffer], len);
  }

  var arr = [];
  var fn = bigEndian ? buf.readInt32BE : buf.readInt32LE;
  for (var i = 0; i < buf.length; i += intSize) {
    arr.push(fn.call(buf, i));
  }
  return arr;
}

function toBuffer(arr, size, bigEndian) {
  var buf = new Buffer(size);
  var fn = bigEndian ? buf.writeInt32BE : buf.writeInt32LE;
  for (var i = 0; i < arr.length; i++) {
    fn.call(buf, arr[i], i * 4, true);
  }
  return buf;
}

function hash(buf, fn, hashSize, bigEndian) {
  if (!Buffer.isBuffer(buf)) buf = new Buffer(buf);
  var arr = fn(toArray(buf, bigEndian), buf.length * chrsz);
  return toBuffer(arr, hashSize, bigEndian);
}
exports.hash = hash;
}).call(this,require("buffer").Buffer)
},{"buffer":2}],39:[function(require,module,exports){
'use strict';
/*
 * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
 * Digest Algorithm, as defined in RFC 1321.
 * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for more info.
 */

var helpers = require('./helpers');

/*
 * Calculate the MD5 of an array of little-endian words, and a bit length
 */
function core_md5(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);

}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

module.exports = function md5(buf) {
  return helpers.hash(buf, core_md5, 16);
};
},{"./helpers":38}],40:[function(require,module,exports){
(function (Buffer){
var Transform = require('stream').Transform
var inherits = require('inherits')
var StringDecoder = require('string_decoder').StringDecoder
module.exports = CipherBase
inherits(CipherBase, Transform)
function CipherBase (hashMode) {
  Transform.call(this)
  this.hashMode = typeof hashMode === 'string'
  if (this.hashMode) {
    this[hashMode] = this._finalOrDigest
  } else {
    this.final = this._finalOrDigest
  }
  this._decoder = null
  this._encoding = null
}
CipherBase.prototype.update = function (data, inputEnc, outputEnc) {
  if (typeof data === 'string') {
    data = new Buffer(data, inputEnc)
  }
  var outData = this._update(data)
  if (this.hashMode) {
    return this
  }
  if (outputEnc) {
    outData = this._toString(outData, outputEnc)
  }
  return outData
}

CipherBase.prototype.setAutoPadding = function () {}

CipherBase.prototype.getAuthTag = function () {
  throw new Error('trying to get auth tag in unsupported state')
}

CipherBase.prototype.setAuthTag = function () {
  throw new Error('trying to set auth tag in unsupported state')
}

CipherBase.prototype.setAAD = function () {
  throw new Error('trying to set aad in unsupported state')
}

CipherBase.prototype._transform = function (data, _, next) {
  var err
  try {
    if (this.hashMode) {
      this._update(data)
    } else {
      this.push(this._update(data))
    }
  } catch (e) {
    err = e
  } finally {
    next(err)
  }
}
CipherBase.prototype._flush = function (done) {
  var err
  try {
    this.push(this._final())
  } catch (e) {
    err = e
  } finally {
    done(err)
  }
}
CipherBase.prototype._finalOrDigest = function (outputEnc) {
  var outData = this._final() || new Buffer('')
  if (outputEnc) {
    outData = this._toString(outData, outputEnc, true)
  }
  return outData
}

CipherBase.prototype._toString = function (value, enc, final) {
  if (!this._decoder) {
    this._decoder = new StringDecoder(enc)
    this._encoding = enc
  }
  if (this._encoding !== enc) {
    throw new Error('can\'t switch encodings')
  }
  var out = this._decoder.write(value)
  if (final) {
    out += this._decoder.end()
  }
  return out
}

}).call(this,require("buffer").Buffer)
},{"buffer":2,"inherits":41,"stream":25,"string_decoder":26}],41:[function(require,module,exports){
arguments[4][7][0].apply(exports,arguments)
},{"dup":7}],42:[function(require,module,exports){
(function (Buffer){
/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
/** @preserve
(c) 2012 by Cédric Mesnil. All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

    - Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
    - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

// constants table
var zl = [
  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
  7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
  3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
  1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
  4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
]

var zr = [
  5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
  6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
  15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
  8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
  12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
]

var sl = [
  11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
  7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
  11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
  11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
  9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
]

var sr = [
  8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
  9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
  9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
  15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
  8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
]

var hl = [0x00000000, 0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xA953FD4E]
var hr = [0x50A28BE6, 0x5C4DD124, 0x6D703EF3, 0x7A6D76E9, 0x00000000]

function bytesToWords (bytes) {
  var words = []
  for (var i = 0, b = 0; i < bytes.length; i++, b += 8) {
    words[b >>> 5] |= bytes[i] << (24 - b % 32)
  }
  return words
}

function wordsToBytes (words) {
  var bytes = []
  for (var b = 0; b < words.length * 32; b += 8) {
    bytes.push((words[b >>> 5] >>> (24 - b % 32)) & 0xFF)
  }
  return bytes
}

function processBlock (H, M, offset) {
  // swap endian
  for (var i = 0; i < 16; i++) {
    var offset_i = offset + i
    var M_offset_i = M[offset_i]

    // Swap
    M[offset_i] = (
      (((M_offset_i << 8) | (M_offset_i >>> 24)) & 0x00ff00ff) |
      (((M_offset_i << 24) | (M_offset_i >>> 8)) & 0xff00ff00)
    )
  }

  // Working variables
  var al, bl, cl, dl, el
  var ar, br, cr, dr, er

  ar = al = H[0]
  br = bl = H[1]
  cr = cl = H[2]
  dr = dl = H[3]
  er = el = H[4]

  // computation
  var t
  for (i = 0; i < 80; i += 1) {
    t = (al + M[offset + zl[i]]) | 0
    if (i < 16) {
      t += f1(bl, cl, dl) + hl[0]
    } else if (i < 32) {
      t += f2(bl, cl, dl) + hl[1]
    } else if (i < 48) {
      t += f3(bl, cl, dl) + hl[2]
    } else if (i < 64) {
      t += f4(bl, cl, dl) + hl[3]
    } else {// if (i<80) {
      t += f5(bl, cl, dl) + hl[4]
    }
    t = t | 0
    t = rotl(t, sl[i])
    t = (t + el) | 0
    al = el
    el = dl
    dl = rotl(cl, 10)
    cl = bl
    bl = t

    t = (ar + M[offset + zr[i]]) | 0
    if (i < 16) {
      t += f5(br, cr, dr) + hr[0]
    } else if (i < 32) {
      t += f4(br, cr, dr) + hr[1]
    } else if (i < 48) {
      t += f3(br, cr, dr) + hr[2]
    } else if (i < 64) {
      t += f2(br, cr, dr) + hr[3]
    } else {// if (i<80) {
      t += f1(br, cr, dr) + hr[4]
    }

    t = t | 0
    t = rotl(t, sr[i])
    t = (t + er) | 0
    ar = er
    er = dr
    dr = rotl(cr, 10)
    cr = br
    br = t
  }

  // intermediate hash value
  t = (H[1] + cl + dr) | 0
  H[1] = (H[2] + dl + er) | 0
  H[2] = (H[3] + el + ar) | 0
  H[3] = (H[4] + al + br) | 0
  H[4] = (H[0] + bl + cr) | 0
  H[0] = t
}

function f1 (x, y, z) {
  return ((x) ^ (y) ^ (z))
}

function f2 (x, y, z) {
  return (((x) & (y)) | ((~x) & (z)))
}

function f3 (x, y, z) {
  return (((x) | (~(y))) ^ (z))
}

function f4 (x, y, z) {
  return (((x) & (z)) | ((y) & (~(z))))
}

function f5 (x, y, z) {
  return ((x) ^ ((y) | (~(z))))
}

function rotl (x, n) {
  return (x << n) | (x >>> (32 - n))
}

function ripemd160 (message) {
  var H = [0x67452301, 0xEFCDAB89, 0x98BADCFE, 0x10325476, 0xC3D2E1F0]

  if (typeof message === 'string') {
    message = new Buffer(message, 'utf8')
  }

  var m = bytesToWords(message)

  var nBitsLeft = message.length * 8
  var nBitsTotal = message.length * 8

  // Add padding
  m[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32)
  m[(((nBitsLeft + 64) >>> 9) << 4) + 14] = (
    (((nBitsTotal << 8) | (nBitsTotal >>> 24)) & 0x00ff00ff) |
    (((nBitsTotal << 24) | (nBitsTotal >>> 8)) & 0xff00ff00)
  )

  for (var i = 0; i < m.length; i += 16) {
    processBlock(H, m, i)
  }

  // swap endian
  for (i = 0; i < 5; i++) {
    // shortcut
    var H_i = H[i]

    // Swap
    H[i] = (((H_i << 8) | (H_i >>> 24)) & 0x00ff00ff) |
      (((H_i << 24) | (H_i >>> 8)) & 0xff00ff00)
  }

  var digestbytes = wordsToBytes(H)
  return new Buffer(digestbytes)
}

module.exports = ripemd160

}).call(this,require("buffer").Buffer)
},{"buffer":2}],43:[function(require,module,exports){
(function (Buffer){
// prototype class for hash functions
function Hash (blockSize, finalSize) {
  this._block = new Buffer(blockSize)
  this._finalSize = finalSize
  this._blockSize = blockSize
  this._len = 0
  this._s = 0
}

Hash.prototype.update = function (data, enc) {
  if (typeof data === 'string') {
    enc = enc || 'utf8'
    data = new Buffer(data, enc)
  }

  var l = this._len += data.length
  var s = this._s || 0
  var f = 0
  var buffer = this._block

  while (s < l) {
    var t = Math.min(data.length, f + this._blockSize - (s % this._blockSize))
    var ch = (t - f)

    for (var i = 0; i < ch; i++) {
      buffer[(s % this._blockSize) + i] = data[i + f]
    }

    s += ch
    f += ch

    if ((s % this._blockSize) === 0) {
      this._update(buffer)
    }
  }
  this._s = s

  return this
}

Hash.prototype.digest = function (enc) {
  // Suppose the length of the message M, in bits, is l
  var l = this._len * 8

  // Append the bit 1 to the end of the message
  this._block[this._len % this._blockSize] = 0x80

  // and then k zero bits, where k is the smallest non-negative solution to the equation (l + 1 + k) === finalSize mod blockSize
  this._block.fill(0, this._len % this._blockSize + 1)

  if (l % (this._blockSize * 8) >= this._finalSize * 8) {
    this._update(this._block)
    this._block.fill(0)
  }

  // to this append the block which is equal to the number l written in binary
  // TODO: handle case where l is > Math.pow(2, 29)
  this._block.writeInt32BE(l, this._blockSize - 4)

  var hash = this._update(this._block) || this._hash()

  return enc ? hash.toString(enc) : hash
}

Hash.prototype._update = function () {
  throw new Error('_update must be implemented by subclass')
}

module.exports = Hash

}).call(this,require("buffer").Buffer)
},{"buffer":2}],44:[function(require,module,exports){
var exports = module.exports = function SHA (algorithm) {
  algorithm = algorithm.toLowerCase()

  var Algorithm = exports[algorithm]
  if (!Algorithm) throw new Error(algorithm + ' is not supported (we accept pull requests)')

  return new Algorithm()
}

exports.sha = require('./sha')
exports.sha1 = require('./sha1')
exports.sha224 = require('./sha224')
exports.sha256 = require('./sha256')
exports.sha384 = require('./sha384')
exports.sha512 = require('./sha512')

},{"./sha":45,"./sha1":46,"./sha224":47,"./sha256":48,"./sha384":49,"./sha512":50}],45:[function(require,module,exports){
(function (Buffer){
/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-0, as defined
 * in FIPS PUB 180-1
 * This source code is derived from sha1.js of the same repository.
 * The difference between SHA-0 and SHA-1 is just a bitwise rotate left
 * operation was added.
 */

var inherits = require('inherits')
var Hash = require('./hash')

var W = new Array(80)

function Sha () {
  this.init()
  this._w = W

  Hash.call(this, 64, 56)
}

inherits(Sha, Hash)

Sha.prototype.init = function () {
  this._a = 0x67452301 | 0
  this._b = 0xefcdab89 | 0
  this._c = 0x98badcfe | 0
  this._d = 0x10325476 | 0
  this._e = 0xc3d2e1f0 | 0

  return this
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function rol (num, cnt) {
  return (num << cnt) | (num >>> (32 - cnt))
}

Sha.prototype._update = function (M) {
  var W = this._w

  var a = this._a
  var b = this._b
  var c = this._c
  var d = this._d
  var e = this._e

  var j = 0
  var k

  /*
   * SHA-1 has a bitwise rotate left operation. But, SHA is not
   * function calcW() { return rol(W[j - 3] ^ W[j -  8] ^ W[j - 14] ^ W[j - 16], 1) }
   */
  function calcW () { return W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16] }
  function loop (w, f) {
    W[j] = w

    var t = rol(a, 5) + f + e + w + k

    e = d
    d = c
    c = rol(b, 30)
    b = a
    a = t
    j++
  }

  k = 1518500249
  while (j < 16) loop(M.readInt32BE(j * 4), (b & c) | ((~b) & d))
  while (j < 20) loop(calcW(), (b & c) | ((~b) & d))
  k = 1859775393
  while (j < 40) loop(calcW(), b ^ c ^ d)
  k = -1894007588
  while (j < 60) loop(calcW(), (b & c) | (b & d) | (c & d))
  k = -899497514
  while (j < 80) loop(calcW(), b ^ c ^ d)

  this._a = (a + this._a) | 0
  this._b = (b + this._b) | 0
  this._c = (c + this._c) | 0
  this._d = (d + this._d) | 0
  this._e = (e + this._e) | 0
}

Sha.prototype._hash = function () {
  var H = new Buffer(20)

  H.writeInt32BE(this._a | 0, 0)
  H.writeInt32BE(this._b | 0, 4)
  H.writeInt32BE(this._c | 0, 8)
  H.writeInt32BE(this._d | 0, 12)
  H.writeInt32BE(this._e | 0, 16)

  return H
}

module.exports = Sha


}).call(this,require("buffer").Buffer)
},{"./hash":43,"buffer":2,"inherits":41}],46:[function(require,module,exports){
(function (Buffer){
/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS PUB 180-1
 * Version 2.1a Copyright Paul Johnston 2000 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

var inherits = require('inherits')
var Hash = require('./hash')

var W = new Array(80)

function Sha1 () {
  this.init()
  this._w = W

  Hash.call(this, 64, 56)
}

inherits(Sha1, Hash)

Sha1.prototype.init = function () {
  this._a = 0x67452301 | 0
  this._b = 0xefcdab89 | 0
  this._c = 0x98badcfe | 0
  this._d = 0x10325476 | 0
  this._e = 0xc3d2e1f0 | 0

  return this
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function rol (num, cnt) {
  return (num << cnt) | (num >>> (32 - cnt))
}

Sha1.prototype._update = function (M) {
  var W = this._w

  var a = this._a
  var b = this._b
  var c = this._c
  var d = this._d
  var e = this._e

  var j = 0
  var k

  function calcW () { return rol(W[j - 3] ^ W[j - 8] ^ W[j - 14] ^ W[j - 16], 1) }
  function loop (w, f) {
    W[j] = w

    var t = rol(a, 5) + f + e + w + k

    e = d
    d = c
    c = rol(b, 30)
    b = a
    a = t
    j++
  }

  k = 1518500249
  while (j < 16) loop(M.readInt32BE(j * 4), (b & c) | ((~b) & d))
  while (j < 20) loop(calcW(), (b & c) | ((~b) & d))
  k = 1859775393
  while (j < 40) loop(calcW(), b ^ c ^ d)
  k = -1894007588
  while (j < 60) loop(calcW(), (b & c) | (b & d) | (c & d))
  k = -899497514
  while (j < 80) loop(calcW(), b ^ c ^ d)

  this._a = (a + this._a) | 0
  this._b = (b + this._b) | 0
  this._c = (c + this._c) | 0
  this._d = (d + this._d) | 0
  this._e = (e + this._e) | 0
}

Sha1.prototype._hash = function () {
  var H = new Buffer(20)

  H.writeInt32BE(this._a | 0, 0)
  H.writeInt32BE(this._b | 0, 4)
  H.writeInt32BE(this._c | 0, 8)
  H.writeInt32BE(this._d | 0, 12)
  H.writeInt32BE(this._e | 0, 16)

  return H
}

module.exports = Sha1

}).call(this,require("buffer").Buffer)
},{"./hash":43,"buffer":2,"inherits":41}],47:[function(require,module,exports){
(function (Buffer){
/**
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
 * in FIPS 180-2
 * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 *
 */

var inherits = require('inherits')
var Sha256 = require('./sha256')
var Hash = require('./hash')

var W = new Array(64)

function Sha224 () {
  this.init()

  this._w = W // new Array(64)

  Hash.call(this, 64, 56)
}

inherits(Sha224, Sha256)

Sha224.prototype.init = function () {
  this._a = 0xc1059ed8 | 0
  this._b = 0x367cd507 | 0
  this._c = 0x3070dd17 | 0
  this._d = 0xf70e5939 | 0
  this._e = 0xffc00b31 | 0
  this._f = 0x68581511 | 0
  this._g = 0x64f98fa7 | 0
  this._h = 0xbefa4fa4 | 0

  return this
}

Sha224.prototype._hash = function () {
  var H = new Buffer(28)

  H.writeInt32BE(this._a, 0)
  H.writeInt32BE(this._b, 4)
  H.writeInt32BE(this._c, 8)
  H.writeInt32BE(this._d, 12)
  H.writeInt32BE(this._e, 16)
  H.writeInt32BE(this._f, 20)
  H.writeInt32BE(this._g, 24)

  return H
}

module.exports = Sha224

}).call(this,require("buffer").Buffer)
},{"./hash":43,"./sha256":48,"buffer":2,"inherits":41}],48:[function(require,module,exports){
(function (Buffer){
/**
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined
 * in FIPS 180-2
 * Version 2.2-beta Copyright Angel Marin, Paul Johnston 2000 - 2009.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 *
 */

var inherits = require('inherits')
var Hash = require('./hash')

var K = [
  0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
  0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
  0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
  0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
  0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
  0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
  0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
  0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
  0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
  0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
  0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
  0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
  0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
  0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
  0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
  0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2
]

var W = new Array(64)

function Sha256 () {
  this.init()

  this._w = W // new Array(64)

  Hash.call(this, 64, 56)
}

inherits(Sha256, Hash)

Sha256.prototype.init = function () {
  this._a = 0x6a09e667 | 0
  this._b = 0xbb67ae85 | 0
  this._c = 0x3c6ef372 | 0
  this._d = 0xa54ff53a | 0
  this._e = 0x510e527f | 0
  this._f = 0x9b05688c | 0
  this._g = 0x1f83d9ab | 0
  this._h = 0x5be0cd19 | 0

  return this
}

function Ch (x, y, z) {
  return z ^ (x & (y ^ z))
}

function Maj (x, y, z) {
  return (x & y) | (z & (x | y))
}

function Sigma0 (x) {
  return (x >>> 2 | x << 30) ^ (x >>> 13 | x << 19) ^ (x >>> 22 | x << 10)
}

function Sigma1 (x) {
  return (x >>> 6 | x << 26) ^ (x >>> 11 | x << 21) ^ (x >>> 25 | x << 7)
}

function Gamma0 (x) {
  return (x >>> 7 | x << 25) ^ (x >>> 18 | x << 14) ^ (x >>> 3)
}

function Gamma1 (x) {
  return (x >>> 17 | x << 15) ^ (x >>> 19 | x << 13) ^ (x >>> 10)
}

Sha256.prototype._update = function (M) {
  var W = this._w

  var a = this._a | 0
  var b = this._b | 0
  var c = this._c | 0
  var d = this._d | 0
  var e = this._e | 0
  var f = this._f | 0
  var g = this._g | 0
  var h = this._h | 0

  var j = 0

  function calcW () { return Gamma1(W[j - 2]) + W[j - 7] + Gamma0(W[j - 15]) + W[j - 16] }
  function loop (w) {
    W[j] = w

    var T1 = h + Sigma1(e) + Ch(e, f, g) + K[j] + w
    var T2 = Sigma0(a) + Maj(a, b, c)

    h = g
    g = f
    f = e
    e = d + T1
    d = c
    c = b
    b = a
    a = T1 + T2

    j++
  }

  while (j < 16) loop(M.readInt32BE(j * 4))
  while (j < 64) loop(calcW())

  this._a = (a + this._a) | 0
  this._b = (b + this._b) | 0
  this._c = (c + this._c) | 0
  this._d = (d + this._d) | 0
  this._e = (e + this._e) | 0
  this._f = (f + this._f) | 0
  this._g = (g + this._g) | 0
  this._h = (h + this._h) | 0
}

Sha256.prototype._hash = function () {
  var H = new Buffer(32)

  H.writeInt32BE(this._a, 0)
  H.writeInt32BE(this._b, 4)
  H.writeInt32BE(this._c, 8)
  H.writeInt32BE(this._d, 12)
  H.writeInt32BE(this._e, 16)
  H.writeInt32BE(this._f, 20)
  H.writeInt32BE(this._g, 24)
  H.writeInt32BE(this._h, 28)

  return H
}

module.exports = Sha256

}).call(this,require("buffer").Buffer)
},{"./hash":43,"buffer":2,"inherits":41}],49:[function(require,module,exports){
(function (Buffer){
var inherits = require('inherits')
var SHA512 = require('./sha512')
var Hash = require('./hash')

var W = new Array(160)

function Sha384 () {
  this.init()
  this._w = W

  Hash.call(this, 128, 112)
}

inherits(Sha384, SHA512)

Sha384.prototype.init = function () {
  this._a = 0xcbbb9d5d | 0
  this._b = 0x629a292a | 0
  this._c = 0x9159015a | 0
  this._d = 0x152fecd8 | 0
  this._e = 0x67332667 | 0
  this._f = 0x8eb44a87 | 0
  this._g = 0xdb0c2e0d | 0
  this._h = 0x47b5481d | 0

  this._al = 0xc1059ed8 | 0
  this._bl = 0x367cd507 | 0
  this._cl = 0x3070dd17 | 0
  this._dl = 0xf70e5939 | 0
  this._el = 0xffc00b31 | 0
  this._fl = 0x68581511 | 0
  this._gl = 0x64f98fa7 | 0
  this._hl = 0xbefa4fa4 | 0

  return this
}

Sha384.prototype._hash = function () {
  var H = new Buffer(48)

  function writeInt64BE (h, l, offset) {
    H.writeInt32BE(h, offset)
    H.writeInt32BE(l, offset + 4)
  }

  writeInt64BE(this._a, this._al, 0)
  writeInt64BE(this._b, this._bl, 8)
  writeInt64BE(this._c, this._cl, 16)
  writeInt64BE(this._d, this._dl, 24)
  writeInt64BE(this._e, this._el, 32)
  writeInt64BE(this._f, this._fl, 40)

  return H
}

module.exports = Sha384

}).call(this,require("buffer").Buffer)
},{"./hash":43,"./sha512":50,"buffer":2,"inherits":41}],50:[function(require,module,exports){
(function (Buffer){
var inherits = require('inherits')
var Hash = require('./hash')

var K = [
  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
  0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
  0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
  0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
  0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
  0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
  0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
  0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
  0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
  0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
  0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
  0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
  0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
  0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
  0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
  0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
  0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
  0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
  0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
  0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
  0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
  0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
  0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
  0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
  0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
  0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
  0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
  0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
  0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
  0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
  0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
  0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
  0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
  0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
  0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
  0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
]

var W = new Array(160)

function Sha512 () {
  this.init()
  this._w = W

  Hash.call(this, 128, 112)
}

inherits(Sha512, Hash)

Sha512.prototype.init = function () {
  this._a = 0x6a09e667 | 0
  this._b = 0xbb67ae85 | 0
  this._c = 0x3c6ef372 | 0
  this._d = 0xa54ff53a | 0
  this._e = 0x510e527f | 0
  this._f = 0x9b05688c | 0
  this._g = 0x1f83d9ab | 0
  this._h = 0x5be0cd19 | 0

  this._al = 0xf3bcc908 | 0
  this._bl = 0x84caa73b | 0
  this._cl = 0xfe94f82b | 0
  this._dl = 0x5f1d36f1 | 0
  this._el = 0xade682d1 | 0
  this._fl = 0x2b3e6c1f | 0
  this._gl = 0xfb41bd6b | 0
  this._hl = 0x137e2179 | 0

  return this
}

function Ch (x, y, z) {
  return z ^ (x & (y ^ z))
}

function Maj (x, y, z) {
  return (x & y) | (z & (x | y))
}

function Sigma0 (x, xl) {
  return (x >>> 28 | xl << 4) ^ (xl >>> 2 | x << 30) ^ (xl >>> 7 | x << 25)
}

function Sigma1 (x, xl) {
  return (x >>> 14 | xl << 18) ^ (x >>> 18 | xl << 14) ^ (xl >>> 9 | x << 23)
}

function Gamma0 (x, xl) {
  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7)
}

function Gamma0l (x, xl) {
  return (x >>> 1 | xl << 31) ^ (x >>> 8 | xl << 24) ^ (x >>> 7 | xl << 25)
}

function Gamma1 (x, xl) {
  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6)
}

function Gamma1l (x, xl) {
  return (x >>> 19 | xl << 13) ^ (xl >>> 29 | x << 3) ^ (x >>> 6 | xl << 26)
}

Sha512.prototype._update = function (M) {
  var W = this._w

  var a = this._a | 0
  var b = this._b | 0
  var c = this._c | 0
  var d = this._d | 0
  var e = this._e | 0
  var f = this._f | 0
  var g = this._g | 0
  var h = this._h | 0

  var al = this._al | 0
  var bl = this._bl | 0
  var cl = this._cl | 0
  var dl = this._dl | 0
  var el = this._el | 0
  var fl = this._fl | 0
  var gl = this._gl | 0
  var hl = this._hl | 0

  var i = 0
  var j = 0
  var Wi, Wil
  function calcW () {
    var x = W[j - 15 * 2]
    var xl = W[j - 15 * 2 + 1]
    var gamma0 = Gamma0(x, xl)
    var gamma0l = Gamma0l(xl, x)

    x = W[j - 2 * 2]
    xl = W[j - 2 * 2 + 1]
    var gamma1 = Gamma1(x, xl)
    var gamma1l = Gamma1l(xl, x)

    // W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16]
    var Wi7 = W[j - 7 * 2]
    var Wi7l = W[j - 7 * 2 + 1]

    var Wi16 = W[j - 16 * 2]
    var Wi16l = W[j - 16 * 2 + 1]

    Wil = gamma0l + Wi7l
    Wi = gamma0 + Wi7 + ((Wil >>> 0) < (gamma0l >>> 0) ? 1 : 0)
    Wil = Wil + gamma1l
    Wi = Wi + gamma1 + ((Wil >>> 0) < (gamma1l >>> 0) ? 1 : 0)
    Wil = Wil + Wi16l
    Wi = Wi + Wi16 + ((Wil >>> 0) < (Wi16l >>> 0) ? 1 : 0)
  }

  function loop () {
    W[j] = Wi
    W[j + 1] = Wil

    var maj = Maj(a, b, c)
    var majl = Maj(al, bl, cl)

    var sigma0h = Sigma0(a, al)
    var sigma0l = Sigma0(al, a)
    var sigma1h = Sigma1(e, el)
    var sigma1l = Sigma1(el, e)

    // t1 = h + sigma1 + ch + K[i] + W[i]
    var Ki = K[j]
    var Kil = K[j + 1]

    var ch = Ch(e, f, g)
    var chl = Ch(el, fl, gl)

    var t1l = hl + sigma1l
    var t1 = h + sigma1h + ((t1l >>> 0) < (hl >>> 0) ? 1 : 0)
    t1l = t1l + chl
    t1 = t1 + ch + ((t1l >>> 0) < (chl >>> 0) ? 1 : 0)
    t1l = t1l + Kil
    t1 = t1 + Ki + ((t1l >>> 0) < (Kil >>> 0) ? 1 : 0)
    t1l = t1l + Wil
    t1 = t1 + Wi + ((t1l >>> 0) < (Wil >>> 0) ? 1 : 0)

    // t2 = sigma0 + maj
    var t2l = sigma0l + majl
    var t2 = sigma0h + maj + ((t2l >>> 0) < (sigma0l >>> 0) ? 1 : 0)

    h = g
    hl = gl
    g = f
    gl = fl
    f = e
    fl = el
    el = (dl + t1l) | 0
    e = (d + t1 + ((el >>> 0) < (dl >>> 0) ? 1 : 0)) | 0
    d = c
    dl = cl
    c = b
    cl = bl
    b = a
    bl = al
    al = (t1l + t2l) | 0
    a = (t1 + t2 + ((al >>> 0) < (t1l >>> 0) ? 1 : 0)) | 0

    i++
    j += 2
  }

  while (i < 16) {
    Wi = M.readInt32BE(j * 4)
    Wil = M.readInt32BE(j * 4 + 4)

    loop()
  }

  while (i < 80) {
    calcW()
    loop()
  }

  this._al = (this._al + al) | 0
  this._bl = (this._bl + bl) | 0
  this._cl = (this._cl + cl) | 0
  this._dl = (this._dl + dl) | 0
  this._el = (this._el + el) | 0
  this._fl = (this._fl + fl) | 0
  this._gl = (this._gl + gl) | 0
  this._hl = (this._hl + hl) | 0

  this._a = (this._a + a + ((this._al >>> 0) < (al >>> 0) ? 1 : 0)) | 0
  this._b = (this._b + b + ((this._bl >>> 0) < (bl >>> 0) ? 1 : 0)) | 0
  this._c = (this._c + c + ((this._cl >>> 0) < (cl >>> 0) ? 1 : 0)) | 0
  this._d = (this._d + d + ((this._dl >>> 0) < (dl >>> 0) ? 1 : 0)) | 0
  this._e = (this._e + e + ((this._el >>> 0) < (el >>> 0) ? 1 : 0)) | 0
  this._f = (this._f + f + ((this._fl >>> 0) < (fl >>> 0) ? 1 : 0)) | 0
  this._g = (this._g + g + ((this._gl >>> 0) < (gl >>> 0) ? 1 : 0)) | 0
  this._h = (this._h + h + ((this._hl >>> 0) < (hl >>> 0) ? 1 : 0)) | 0
}

Sha512.prototype._hash = function () {
  var H = new Buffer(64)

  function writeInt64BE (h, l, offset) {
    H.writeInt32BE(h, offset)
    H.writeInt32BE(l, offset + 4)
  }

  writeInt64BE(this._a, this._al, 0)
  writeInt64BE(this._b, this._bl, 8)
  writeInt64BE(this._c, this._cl, 16)
  writeInt64BE(this._d, this._dl, 24)
  writeInt64BE(this._e, this._el, 32)
  writeInt64BE(this._f, this._fl, 40)
  writeInt64BE(this._g, this._gl, 48)
  writeInt64BE(this._h, this._hl, 56)

  return H
}

module.exports = Sha512

}).call(this,require("buffer").Buffer)
},{"./hash":43,"buffer":2,"inherits":41}],51:[function(require,module,exports){
(function (Buffer){
'use strict';
var createHash = require('create-hash/browser');
var inherits = require('inherits')

var Transform = require('stream').Transform

var ZEROS = new Buffer(128)
ZEROS.fill(0)

function Hmac(alg, key) {
  Transform.call(this)
  alg = alg.toLowerCase()
  if (typeof key === 'string') {
    key = new Buffer(key)
  }

  var blocksize = (alg === 'sha512' || alg === 'sha384') ? 128 : 64

  this._alg = alg
  this._key = key

  if (key.length > blocksize) {
    key = createHash(alg).update(key).digest()

  } else if (key.length < blocksize) {
    key = Buffer.concat([key, ZEROS], blocksize)
  }

  var ipad = this._ipad = new Buffer(blocksize)
  var opad = this._opad = new Buffer(blocksize)

  for (var i = 0; i < blocksize; i++) {
    ipad[i] = key[i] ^ 0x36
    opad[i] = key[i] ^ 0x5C
  }

  this._hash = createHash(alg).update(ipad)
}

inherits(Hmac, Transform)

Hmac.prototype.update = function (data, enc) {
  this._hash.update(data, enc)

  return this
}

Hmac.prototype._transform = function (data, _, next) {
  this._hash.update(data)

  next()
}

Hmac.prototype._flush = function (next) {
  this.push(this.digest())

  next()
}

Hmac.prototype.digest = function (enc) {
  var h = this._hash.digest()

  return createHash(this._alg).update(this._opad).update(h).digest(enc)
}

module.exports = function createHmac(alg, key) {
  return new Hmac(alg, key)
}

}).call(this,require("buffer").Buffer)
},{"buffer":2,"create-hash/browser":37,"inherits":52,"stream":25}],52:[function(require,module,exports){
arguments[4][7][0].apply(exports,arguments)
},{"dup":7}],53:[function(require,module,exports){
/*
WildEmitter.js is a slim little event emitter by @henrikjoreteg largely based
on @visionmedia's Emitter from UI Kit.

Why? I wanted it standalone.

I also wanted support for wildcard emitters like this:

emitter.on('*', function (eventName, other, event, payloads) {

});

emitter.on('somenamespace*', function (eventName, payloads) {

});

Please note that callbacks triggered by wildcard registered events also get
the event name as the first argument.
*/

module.exports = WildEmitter;

function WildEmitter() { }

WildEmitter.mixin = function (constructor) {
    var prototype = constructor.prototype || constructor;

    prototype.isWildEmitter= true;

    // Listen on the given `event` with `fn`. Store a group name if present.
    prototype.on = function (event, groupName, fn) {
        this.callbacks = this.callbacks || {};
        var hasGroup = (arguments.length === 3),
            group = hasGroup ? arguments[1] : undefined,
            func = hasGroup ? arguments[2] : arguments[1];
        func._groupName = group;
        (this.callbacks[event] = this.callbacks[event] || []).push(func);
        return this;
    };

    // Adds an `event` listener that will be invoked a single
    // time then automatically removed.
    prototype.once = function (event, groupName, fn) {
        var self = this,
            hasGroup = (arguments.length === 3),
            group = hasGroup ? arguments[1] : undefined,
            func = hasGroup ? arguments[2] : arguments[1];
        function on() {
            self.off(event, on);
            func.apply(this, arguments);
        }
        this.on(event, group, on);
        return this;
    };

    // Unbinds an entire group
    prototype.releaseGroup = function (groupName) {
        this.callbacks = this.callbacks || {};
        var item, i, len, handlers;
        for (item in this.callbacks) {
            handlers = this.callbacks[item];
            for (i = 0, len = handlers.length; i < len; i++) {
                if (handlers[i]._groupName === groupName) {
                    //console.log('removing');
                    // remove it and shorten the array we're looping through
                    handlers.splice(i, 1);
                    i--;
                    len--;
                }
            }
        }
        return this;
    };

    // Remove the given callback for `event` or all
    // registered callbacks.
    prototype.off = function (event, fn) {
        this.callbacks = this.callbacks || {};
        var callbacks = this.callbacks[event],
            i;

        if (!callbacks) return this;

        // remove all handlers
        if (arguments.length === 1) {
            delete this.callbacks[event];
            return this;
        }

        // remove specific handler
        i = callbacks.indexOf(fn);
        callbacks.splice(i, 1);
        if (callbacks.length === 0) {
            delete this.callbacks[event];
        }
        return this;
    };

    /// Emit `event` with the given args.
    // also calls any `*` handlers
    prototype.emit = function (event) {
        this.callbacks = this.callbacks || {};
        var args = [].slice.call(arguments, 1),
            callbacks = this.callbacks[event],
            specialCallbacks = this.getWildcardCallbacks(event),
            i,
            len,
            item,
            listeners;

        if (callbacks) {
            listeners = callbacks.slice();
            for (i = 0, len = listeners.length; i < len; ++i) {
                if (!listeners[i]) {
                    break;
                }
                listeners[i].apply(this, args);
            }
        }

        if (specialCallbacks) {
            len = specialCallbacks.length;
            listeners = specialCallbacks.slice();
            for (i = 0, len = listeners.length; i < len; ++i) {
                if (!listeners[i]) {
                    break;
                }
                listeners[i].apply(this, [event].concat(args));
            }
        }

        return this;
    };

    // Helper for for finding special wildcard event handlers that match the event
    prototype.getWildcardCallbacks = function (eventName) {
        this.callbacks = this.callbacks || {};
        var item,
            split,
            result = [];

        for (item in this.callbacks) {
            split = item.split('*');
            if (item === '*' || (split.length === 2 && eventName.slice(0, split[0].length) === split[0])) {
                result = result.concat(this.callbacks[item]);
            }
        }
        return result;
    };

};

WildEmitter.mixin(WildEmitter);

},{}],54:[function(require,module,exports){
/**
 * lodash 3.0.3 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var arrayEach = require('lodash._arrayeach'),
    baseEach = require('lodash._baseeach'),
    bindCallback = require('lodash._bindcallback'),
    isArray = require('lodash.isarray');

/**
 * Creates a function for `_.forEach` or `_.forEachRight`.
 *
 * @private
 * @param {Function} arrayFunc The function to iterate over an array.
 * @param {Function} eachFunc The function to iterate over a collection.
 * @returns {Function} Returns the new each function.
 */
function createForEach(arrayFunc, eachFunc) {
  return function(collection, iteratee, thisArg) {
    return (typeof iteratee == 'function' && thisArg === undefined && isArray(collection))
      ? arrayFunc(collection, iteratee)
      : eachFunc(collection, bindCallback(iteratee, thisArg, 3));
  };
}

/**
 * Iterates over elements of `collection` invoking `iteratee` for each element.
 * The `iteratee` is bound to `thisArg` and invoked with three arguments:
 * (value, index|key, collection). Iteratee functions may exit iteration early
 * by explicitly returning `false`.
 *
 * **Note:** As with other "Collections" methods, objects with a "length" property
 * are iterated like arrays. To avoid this behavior `_.forIn` or `_.forOwn`
 * may be used for object iteration.
 *
 * @static
 * @memberOf _
 * @alias each
 * @category Collection
 * @param {Array|Object|string} collection The collection to iterate over.
 * @param {Function} [iteratee=_.identity] The function invoked per iteration.
 * @param {*} [thisArg] The `this` binding of `iteratee`.
 * @returns {Array|Object|string} Returns `collection`.
 * @example
 *
 * _([1, 2]).forEach(function(n) {
 *   console.log(n);
 * }).value();
 * // => logs each value from left to right and returns the array
 *
 * _.forEach({ 'a': 1, 'b': 2 }, function(n, key) {
 *   console.log(n, key);
 * });
 * // => logs each value-key pair and returns the object (iteration order is not guaranteed)
 */
var forEach = createForEach(arrayEach, baseEach);

module.exports = forEach;

},{"lodash._arrayeach":55,"lodash._baseeach":56,"lodash._bindcallback":60,"lodash.isarray":61}],55:[function(require,module,exports){
/**
 * lodash 3.0.0 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/**
 * A specialized version of `_.forEach` for arrays without support for callback
 * shorthands or `this` binding.
 *
 * @private
 * @param {Array} array The array to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns `array`.
 */
function arrayEach(array, iteratee) {
  var index = -1,
      length = array.length;

  while (++index < length) {
    if (iteratee(array[index], index, array) === false) {
      break;
    }
  }
  return array;
}

module.exports = arrayEach;

},{}],56:[function(require,module,exports){
/**
 * lodash 3.0.4 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var keys = require('lodash.keys');

/**
 * Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
 * of an array-like value.
 */
var MAX_SAFE_INTEGER = 9007199254740991;

/**
 * The base implementation of `_.forEach` without support for callback
 * shorthands and `this` binding.
 *
 * @private
 * @param {Array|Object|string} collection The collection to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array|Object|string} Returns `collection`.
 */
var baseEach = createBaseEach(baseForOwn);

/**
 * The base implementation of `baseForIn` and `baseForOwn` which iterates
 * over `object` properties returned by `keysFunc` invoking `iteratee` for
 * each property. Iteratee functions may exit iteration early by explicitly
 * returning `false`.
 *
 * @private
 * @param {Object} object The object to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @param {Function} keysFunc The function to get the keys of `object`.
 * @returns {Object} Returns `object`.
 */
var baseFor = createBaseFor();

/**
 * The base implementation of `_.forOwn` without support for callback
 * shorthands and `this` binding.
 *
 * @private
 * @param {Object} object The object to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Object} Returns `object`.
 */
function baseForOwn(object, iteratee) {
  return baseFor(object, iteratee, keys);
}

/**
 * The base implementation of `_.property` without support for deep paths.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @returns {Function} Returns the new function.
 */
function baseProperty(key) {
  return function(object) {
    return object == null ? undefined : object[key];
  };
}

/**
 * Creates a `baseEach` or `baseEachRight` function.
 *
 * @private
 * @param {Function} eachFunc The function to iterate over a collection.
 * @param {boolean} [fromRight] Specify iterating from right to left.
 * @returns {Function} Returns the new base function.
 */
function createBaseEach(eachFunc, fromRight) {
  return function(collection, iteratee) {
    var length = collection ? getLength(collection) : 0;
    if (!isLength(length)) {
      return eachFunc(collection, iteratee);
    }
    var index = fromRight ? length : -1,
        iterable = toObject(collection);

    while ((fromRight ? index-- : ++index < length)) {
      if (iteratee(iterable[index], index, iterable) === false) {
        break;
      }
    }
    return collection;
  };
}

/**
 * Creates a base function for `_.forIn` or `_.forInRight`.
 *
 * @private
 * @param {boolean} [fromRight] Specify iterating from right to left.
 * @returns {Function} Returns the new base function.
 */
function createBaseFor(fromRight) {
  return function(object, iteratee, keysFunc) {
    var iterable = toObject(object),
        props = keysFunc(object),
        length = props.length,
        index = fromRight ? length : -1;

    while ((fromRight ? index-- : ++index < length)) {
      var key = props[index];
      if (iteratee(iterable[key], key, iterable) === false) {
        break;
      }
    }
    return object;
  };
}

/**
 * Gets the "length" property value of `object`.
 *
 * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
 * that affects Safari on at least iOS 8.1-8.3 ARM64.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {*} Returns the "length" value.
 */
var getLength = baseProperty('length');

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This function is based on [`ToLength`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength).
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 */
function isLength(value) {
  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

/**
 * Converts `value` to an object if it's not one.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {Object} Returns the object.
 */
function toObject(value) {
  return isObject(value) ? value : Object(value);
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

module.exports = baseEach;

},{"lodash.keys":57}],57:[function(require,module,exports){
/**
 * lodash 3.1.2 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var getNative = require('lodash._getnative'),
    isArguments = require('lodash.isarguments'),
    isArray = require('lodash.isarray');

/** Used to detect unsigned integer values. */
var reIsUint = /^\d+$/;

/** Used for native method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/* Native method references for those with the same name as other `lodash` methods. */
var nativeKeys = getNative(Object, 'keys');

/**
 * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
 * of an array-like value.
 */
var MAX_SAFE_INTEGER = 9007199254740991;

/**
 * The base implementation of `_.property` without support for deep paths.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @returns {Function} Returns the new function.
 */
function baseProperty(key) {
  return function(object) {
    return object == null ? undefined : object[key];
  };
}

/**
 * Gets the "length" property value of `object`.
 *
 * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
 * that affects Safari on at least iOS 8.1-8.3 ARM64.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {*} Returns the "length" value.
 */
var getLength = baseProperty('length');

/**
 * Checks if `value` is array-like.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
 */
function isArrayLike(value) {
  return value != null && isLength(getLength(value));
}

/**
 * Checks if `value` is a valid array-like index.
 *
 * @private
 * @param {*} value The value to check.
 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
 */
function isIndex(value, length) {
  value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
  length = length == null ? MAX_SAFE_INTEGER : length;
  return value > -1 && value % 1 == 0 && value < length;
}

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 */
function isLength(value) {
  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

/**
 * A fallback implementation of `Object.keys` which creates an array of the
 * own enumerable property names of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 */
function shimKeys(object) {
  var props = keysIn(object),
      propsLength = props.length,
      length = propsLength && object.length;

  var allowIndexes = !!length && isLength(length) &&
    (isArray(object) || isArguments(object));

  var index = -1,
      result = [];

  while (++index < propsLength) {
    var key = props[index];
    if ((allowIndexes && isIndex(key, length)) || hasOwnProperty.call(object, key)) {
      result.push(key);
    }
  }
  return result;
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

/**
 * Creates an array of the own enumerable property names of `object`.
 *
 * **Note:** Non-object values are coerced to objects. See the
 * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)
 * for more details.
 *
 * @static
 * @memberOf _
 * @category Object
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 * @example
 *
 * function Foo() {
 *   this.a = 1;
 *   this.b = 2;
 * }
 *
 * Foo.prototype.c = 3;
 *
 * _.keys(new Foo);
 * // => ['a', 'b'] (iteration order is not guaranteed)
 *
 * _.keys('hi');
 * // => ['0', '1']
 */
var keys = !nativeKeys ? shimKeys : function(object) {
  var Ctor = object == null ? undefined : object.constructor;
  if ((typeof Ctor == 'function' && Ctor.prototype === object) ||
      (typeof object != 'function' && isArrayLike(object))) {
    return shimKeys(object);
  }
  return isObject(object) ? nativeKeys(object) : [];
};

/**
 * Creates an array of the own and inherited enumerable property names of `object`.
 *
 * **Note:** Non-object values are coerced to objects.
 *
 * @static
 * @memberOf _
 * @category Object
 * @param {Object} object The object to query.
 * @returns {Array} Returns the array of property names.
 * @example
 *
 * function Foo() {
 *   this.a = 1;
 *   this.b = 2;
 * }
 *
 * Foo.prototype.c = 3;
 *
 * _.keysIn(new Foo);
 * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
 */
function keysIn(object) {
  if (object == null) {
    return [];
  }
  if (!isObject(object)) {
    object = Object(object);
  }
  var length = object.length;
  length = (length && isLength(length) &&
    (isArray(object) || isArguments(object)) && length) || 0;

  var Ctor = object.constructor,
      index = -1,
      isProto = typeof Ctor == 'function' && Ctor.prototype === object,
      result = Array(length),
      skipIndexes = length > 0;

  while (++index < length) {
    result[index] = (index + '');
  }
  for (var key in object) {
    if (!(skipIndexes && isIndex(key, length)) &&
        !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
      result.push(key);
    }
  }
  return result;
}

module.exports = keys;

},{"lodash._getnative":58,"lodash.isarguments":59,"lodash.isarray":61}],58:[function(require,module,exports){
/**
 * lodash 3.9.1 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/** `Object#toString` result references. */
var funcTag = '[object Function]';

/** Used to detect host constructors (Safari > 5). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;

/**
 * Checks if `value` is object-like.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 */
function isObjectLike(value) {
  return !!value && typeof value == 'object';
}

/** Used for native method references. */
var objectProto = Object.prototype;

/** Used to resolve the decompiled source of functions. */
var fnToString = Function.prototype.toString;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
 * of values.
 */
var objToString = objectProto.toString;

/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
  fnToString.call(hasOwnProperty).replace(/[\\^$.*+?()[\]{}|]/g, '\\$&')
  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);

/**
 * Gets the native function at `key` of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {string} key The key of the method to get.
 * @returns {*} Returns the function if it's native, else `undefined`.
 */
function getNative(object, key) {
  var value = object == null ? undefined : object[key];
  return isNative(value) ? value : undefined;
}

/**
 * Checks if `value` is classified as a `Function` object.
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
 * @example
 *
 * _.isFunction(_);
 * // => true
 *
 * _.isFunction(/abc/);
 * // => false
 */
function isFunction(value) {
  // The use of `Object#toString` avoids issues with the `typeof` operator
  // in older versions of Chrome and Safari which return 'function' for regexes
  // and Safari 8 equivalents which return 'object' for typed array constructors.
  return isObject(value) && objToString.call(value) == funcTag;
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

/**
 * Checks if `value` is a native function.
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a native function, else `false`.
 * @example
 *
 * _.isNative(Array.prototype.push);
 * // => true
 *
 * _.isNative(_);
 * // => false
 */
function isNative(value) {
  if (value == null) {
    return false;
  }
  if (isFunction(value)) {
    return reIsNative.test(fnToString.call(value));
  }
  return isObjectLike(value) && reIsHostCtor.test(value);
}

module.exports = getNative;

},{}],59:[function(require,module,exports){
/**
 * lodash 3.0.4 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/**
 * Checks if `value` is object-like.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 */
function isObjectLike(value) {
  return !!value && typeof value == 'object';
}

/** Used for native method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/** Native method references. */
var propertyIsEnumerable = objectProto.propertyIsEnumerable;

/**
 * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
 * of an array-like value.
 */
var MAX_SAFE_INTEGER = 9007199254740991;

/**
 * The base implementation of `_.property` without support for deep paths.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @returns {Function} Returns the new function.
 */
function baseProperty(key) {
  return function(object) {
    return object == null ? undefined : object[key];
  };
}

/**
 * Gets the "length" property value of `object`.
 *
 * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
 * that affects Safari on at least iOS 8.1-8.3 ARM64.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {*} Returns the "length" value.
 */
var getLength = baseProperty('length');

/**
 * Checks if `value` is array-like.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
 */
function isArrayLike(value) {
  return value != null && isLength(getLength(value));
}

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 */
function isLength(value) {
  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

/**
 * Checks if `value` is classified as an `arguments` object.
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
 * @example
 *
 * _.isArguments(function() { return arguments; }());
 * // => true
 *
 * _.isArguments([1, 2, 3]);
 * // => false
 */
function isArguments(value) {
  return isObjectLike(value) && isArrayLike(value) &&
    hasOwnProperty.call(value, 'callee') && !propertyIsEnumerable.call(value, 'callee');
}

module.exports = isArguments;

},{}],60:[function(require,module,exports){
/**
 * lodash 3.0.1 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/**
 * A specialized version of `baseCallback` which only supports `this` binding
 * and specifying the number of arguments to provide to `func`.
 *
 * @private
 * @param {Function} func The function to bind.
 * @param {*} thisArg The `this` binding of `func`.
 * @param {number} [argCount] The number of arguments to provide to `func`.
 * @returns {Function} Returns the callback.
 */
function bindCallback(func, thisArg, argCount) {
  if (typeof func != 'function') {
    return identity;
  }
  if (thisArg === undefined) {
    return func;
  }
  switch (argCount) {
    case 1: return function(value) {
      return func.call(thisArg, value);
    };
    case 3: return function(value, index, collection) {
      return func.call(thisArg, value, index, collection);
    };
    case 4: return function(accumulator, value, index, collection) {
      return func.call(thisArg, accumulator, value, index, collection);
    };
    case 5: return function(value, other, key, object, source) {
      return func.call(thisArg, value, other, key, object, source);
    };
  }
  return function() {
    return func.apply(thisArg, arguments);
  };
}

/**
 * This method returns the first argument provided to it.
 *
 * @static
 * @memberOf _
 * @category Utility
 * @param {*} value Any value.
 * @returns {*} Returns `value`.
 * @example
 *
 * var object = { 'user': 'fred' };
 *
 * _.identity(object) === object;
 * // => true
 */
function identity(value) {
  return value;
}

module.exports = bindCallback;

},{}],61:[function(require,module,exports){
/**
 * lodash 3.0.4 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/** `Object#toString` result references. */
var arrayTag = '[object Array]',
    funcTag = '[object Function]';

/** Used to detect host constructors (Safari > 5). */
var reIsHostCtor = /^\[object .+?Constructor\]$/;

/**
 * Checks if `value` is object-like.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 */
function isObjectLike(value) {
  return !!value && typeof value == 'object';
}

/** Used for native method references. */
var objectProto = Object.prototype;

/** Used to resolve the decompiled source of functions. */
var fnToString = Function.prototype.toString;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the [`toStringTag`](http://ecma-international.org/ecma-262/6.0/#sec-object.prototype.tostring)
 * of values.
 */
var objToString = objectProto.toString;

/** Used to detect if a method is native. */
var reIsNative = RegExp('^' +
  fnToString.call(hasOwnProperty).replace(/[\\^$.*+?()[\]{}|]/g, '\\$&')
  .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
);

/* Native method references for those with the same name as other `lodash` methods. */
var nativeIsArray = getNative(Array, 'isArray');

/**
 * Used as the [maximum length](http://ecma-international.org/ecma-262/6.0/#sec-number.max_safe_integer)
 * of an array-like value.
 */
var MAX_SAFE_INTEGER = 9007199254740991;

/**
 * Gets the native function at `key` of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {string} key The key of the method to get.
 * @returns {*} Returns the function if it's native, else `undefined`.
 */
function getNative(object, key) {
  var value = object == null ? undefined : object[key];
  return isNative(value) ? value : undefined;
}

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This function is based on [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 */
function isLength(value) {
  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

/**
 * Checks if `value` is classified as an `Array` object.
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
 * @example
 *
 * _.isArray([1, 2, 3]);
 * // => true
 *
 * _.isArray(function() { return arguments; }());
 * // => false
 */
var isArray = nativeIsArray || function(value) {
  return isObjectLike(value) && isLength(value.length) && objToString.call(value) == arrayTag;
};

/**
 * Checks if `value` is classified as a `Function` object.
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
 * @example
 *
 * _.isFunction(_);
 * // => true
 *
 * _.isFunction(/abc/);
 * // => false
 */
function isFunction(value) {
  // The use of `Object#toString` avoids issues with the `typeof` operator
  // in older versions of Chrome and Safari which return 'function' for regexes
  // and Safari 8 equivalents which return 'object' for typed array constructors.
  return isObject(value) && objToString.call(value) == funcTag;
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

/**
 * Checks if `value` is a native function.
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a native function, else `false`.
 * @example
 *
 * _.isNative(Array.prototype.push);
 * // => true
 *
 * _.isNative(_);
 * // => false
 */
function isNative(value) {
  if (value == null) {
    return false;
  }
  if (isFunction(value)) {
    return reIsNative.test(fnToString.call(value));
  }
  return isObjectLike(value) && reIsHostCtor.test(value);
}

module.exports = isArray;

},{}],62:[function(require,module,exports){
/**
 * lodash 3.1.2 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var baseGet = require('lodash._baseget'),
    toPath = require('lodash._topath'),
    isArray = require('lodash.isarray'),
    map = require('lodash.map');

/** Used to match property names within property paths. */
var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\n\\]|\\.)*?\1)\]/,
    reIsPlainProp = /^\w*$/;

/**
 * The base implementation of `_.property` without support for deep paths.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @returns {Function} Returns the new function.
 */
function baseProperty(key) {
  return function(object) {
    return object == null ? undefined : object[key];
  };
}

/**
 * A specialized version of `baseProperty` which supports deep paths.
 *
 * @private
 * @param {Array|string} path The path of the property to get.
 * @returns {Function} Returns the new function.
 */
function basePropertyDeep(path) {
  var pathKey = (path + '');
  path = toPath(path);
  return function(object) {
    return baseGet(object, path, pathKey);
  };
}

/**
 * Checks if `value` is a property name and not a property path.
 *
 * @private
 * @param {*} value The value to check.
 * @param {Object} [object] The object to query keys on.
 * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
 */
function isKey(value, object) {
  var type = typeof value;
  if ((type == 'string' && reIsPlainProp.test(value)) || type == 'number') {
    return true;
  }
  if (isArray(value)) {
    return false;
  }
  var result = !reIsDeepProp.test(value);
  return result || (object != null && value in toObject(object));
}

/**
 * Converts `value` to an object if it's not one.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {Object} Returns the object.
 */
function toObject(value) {
  return isObject(value) ? value : Object(value);
}

/**
 * Gets the property value of `path` from all elements in `collection`.
 *
 * @static
 * @memberOf _
 * @category Collection
 * @param {Array|Object|string} collection The collection to iterate over.
 * @param {Array|string} path The path of the property to pluck.
 * @returns {Array} Returns the property values.
 * @example
 *
 * var users = [
 *   { 'user': 'barney', 'age': 36 },
 *   { 'user': 'fred',   'age': 40 }
 * ];
 *
 * _.pluck(users, 'user');
 * // => ['barney', 'fred']
 *
 * var userIndex = _.indexBy(users, 'user');
 * _.pluck(userIndex, 'age');
 * // => [36, 40] (iteration order is not guaranteed)
 */
function pluck(collection, path) {
  return map(collection, property(path));
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

/**
 * Creates a function which returns the property value at `path` on a
 * given object.
 *
 * @static
 * @memberOf _
 * @category Utility
 * @param {Array|string} path The path of the property to get.
 * @returns {Function} Returns the new function.
 * @example
 *
 * var objects = [
 *   { 'a': { 'b': { 'c': 2 } } },
 *   { 'a': { 'b': { 'c': 1 } } }
 * ];
 *
 * _.map(objects, _.property('a.b.c'));
 * // => [2, 1]
 *
 * _.pluck(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c');
 * // => [1, 2]
 */
function property(path) {
  return isKey(path) ? baseProperty(path) : basePropertyDeep(path);
}

module.exports = pluck;

},{"lodash._baseget":63,"lodash._topath":64,"lodash.isarray":65,"lodash.map":66}],63:[function(require,module,exports){
/**
 * lodash 3.7.2 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/**
 * The base implementation of `get` without support for string paths
 * and default values.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {Array} path The path of the property to get.
 * @param {string} [pathKey] The key representation of path.
 * @returns {*} Returns the resolved value.
 */
function baseGet(object, path, pathKey) {
  if (object == null) {
    return;
  }
  if (pathKey !== undefined && pathKey in toObject(object)) {
    path = [pathKey];
  }
  var index = 0,
      length = path.length;

  while (object != null && index < length) {
    object = object[path[index++]];
  }
  return (index && index == length) ? object : undefined;
}

/**
 * Converts `value` to an object if it's not one.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {Object} Returns the object.
 */
function toObject(value) {
  return isObject(value) ? value : Object(value);
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

module.exports = baseGet;

},{}],64:[function(require,module,exports){
/**
 * lodash 3.8.1 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var isArray = require('lodash.isarray');

/** Used to match property names within property paths. */
var rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\n\\]|\\.)*?)\2)\]/g;

/** Used to match backslashes in property paths. */
var reEscapeChar = /\\(\\)?/g;

/**
 * Converts `value` to a string if it's not one. An empty string is returned
 * for `null` or `undefined` values.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {string} Returns the string.
 */
function baseToString(value) {
  return value == null ? '' : (value + '');
}

/**
 * Converts `value` to property path array if it's not one.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {Array} Returns the property path array.
 */
function toPath(value) {
  if (isArray(value)) {
    return value;
  }
  var result = [];
  baseToString(value).replace(rePropName, function(match, number, quote, string) {
    result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
  });
  return result;
}

module.exports = toPath;

},{"lodash.isarray":65}],65:[function(require,module,exports){
arguments[4][61][0].apply(exports,arguments)
},{"dup":61}],66:[function(require,module,exports){
/**
 * lodash 3.1.4 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var arrayMap = require('lodash._arraymap'),
    baseCallback = require('lodash._basecallback'),
    baseEach = require('lodash._baseeach'),
    isArray = require('lodash.isarray');

/**
 * Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
 * of an array-like value.
 */
var MAX_SAFE_INTEGER = 9007199254740991;

/**
 * The base implementation of `_.map` without support for callback shorthands
 * and `this` binding.
 *
 * @private
 * @param {Array|Object|string} collection The collection to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the new mapped array.
 */
function baseMap(collection, iteratee) {
  var index = -1,
      result = isArrayLike(collection) ? Array(collection.length) : [];

  baseEach(collection, function(value, key, collection) {
    result[++index] = iteratee(value, key, collection);
  });
  return result;
}

/**
 * The base implementation of `_.property` without support for deep paths.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @returns {Function} Returns the new function.
 */
function baseProperty(key) {
  return function(object) {
    return object == null ? undefined : object[key];
  };
}

/**
 * Gets the "length" property value of `object`.
 *
 * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
 * that affects Safari on at least iOS 8.1-8.3 ARM64.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {*} Returns the "length" value.
 */
var getLength = baseProperty('length');

/**
 * Checks if `value` is array-like.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
 */
function isArrayLike(value) {
  return value != null && isLength(getLength(value));
}

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This function is based on [`ToLength`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength).
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 */
function isLength(value) {
  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

/**
 * Creates an array of values by running each element in `collection` through
 * `iteratee`. The `iteratee` is bound to `thisArg` and invoked with three
 * arguments: (value, index|key, collection).
 *
 * If a property name is provided for `iteratee` the created `_.property`
 * style callback returns the property value of the given element.
 *
 * If a value is also provided for `thisArg` the created `_.matchesProperty`
 * style callback returns `true` for elements that have a matching property
 * value, else `false`.
 *
 * If an object is provided for `iteratee` the created `_.matches` style
 * callback returns `true` for elements that have the properties of the given
 * object, else `false`.
 *
 * Many lodash methods are guarded to work as iteratees for methods like
 * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
 *
 * The guarded methods are:
 * `ary`, `callback`, `chunk`, `clone`, `create`, `curry`, `curryRight`,
 * `drop`, `dropRight`, `every`, `fill`, `flatten`, `invert`, `max`, `min`,
 * `parseInt`, `slice`, `sortBy`, `take`, `takeRight`, `template`, `trim`,
 * `trimLeft`, `trimRight`, `trunc`, `random`, `range`, `sample`, `some`,
 * `sum`, `uniq`, and `words`
 *
 * @static
 * @memberOf _
 * @alias collect
 * @category Collection
 * @param {Array|Object|string} collection The collection to iterate over.
 * @param {Function|Object|string} [iteratee=_.identity] The function invoked
 *  per iteration.
 * @param {*} [thisArg] The `this` binding of `iteratee`.
 * @returns {Array} Returns the new mapped array.
 * @example
 *
 * function timesThree(n) {
 *   return n * 3;
 * }
 *
 * _.map([1, 2], timesThree);
 * // => [3, 6]
 *
 * _.map({ 'a': 1, 'b': 2 }, timesThree);
 * // => [3, 6] (iteration order is not guaranteed)
 *
 * var users = [
 *   { 'user': 'barney' },
 *   { 'user': 'fred' }
 * ];
 *
 * // using the `_.property` callback shorthand
 * _.map(users, 'user');
 * // => ['barney', 'fred']
 */
function map(collection, iteratee, thisArg) {
  var func = isArray(collection) ? arrayMap : baseMap;
  iteratee = baseCallback(iteratee, thisArg, 3);
  return func(collection, iteratee);
}

module.exports = map;

},{"lodash._arraymap":67,"lodash._basecallback":68,"lodash._baseeach":73,"lodash.isarray":65}],67:[function(require,module,exports){
/**
 * lodash 3.0.0 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/**
 * A specialized version of `_.map` for arrays without support for callback
 * shorthands or `this` binding.
 *
 * @private
 * @param {Array} array The array to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @returns {Array} Returns the new mapped array.
 */
function arrayMap(array, iteratee) {
  var index = -1,
      length = array.length,
      result = Array(length);

  while (++index < length) {
    result[index] = iteratee(array[index], index, array);
  }
  return result;
}

module.exports = arrayMap;

},{}],68:[function(require,module,exports){
/**
 * lodash 3.3.1 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var baseIsEqual = require('lodash._baseisequal'),
    bindCallback = require('lodash._bindcallback'),
    isArray = require('lodash.isarray'),
    pairs = require('lodash.pairs');

/** Used to match property names within property paths. */
var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\n\\]|\\.)*?\1)\]/,
    reIsPlainProp = /^\w*$/,
    rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\n\\]|\\.)*?)\2)\]/g;

/** Used to match backslashes in property paths. */
var reEscapeChar = /\\(\\)?/g;

/**
 * Converts `value` to a string if it's not one. An empty string is returned
 * for `null` or `undefined` values.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {string} Returns the string.
 */
function baseToString(value) {
  return value == null ? '' : (value + '');
}

/**
 * The base implementation of `_.callback` which supports specifying the
 * number of arguments to provide to `func`.
 *
 * @private
 * @param {*} [func=_.identity] The value to convert to a callback.
 * @param {*} [thisArg] The `this` binding of `func`.
 * @param {number} [argCount] The number of arguments to provide to `func`.
 * @returns {Function} Returns the callback.
 */
function baseCallback(func, thisArg, argCount) {
  var type = typeof func;
  if (type == 'function') {
    return thisArg === undefined
      ? func
      : bindCallback(func, thisArg, argCount);
  }
  if (func == null) {
    return identity;
  }
  if (type == 'object') {
    return baseMatches(func);
  }
  return thisArg === undefined
    ? property(func)
    : baseMatchesProperty(func, thisArg);
}

/**
 * The base implementation of `get` without support for string paths
 * and default values.
 *
 * @private
 * @param {Object} object The object to query.
 * @param {Array} path The path of the property to get.
 * @param {string} [pathKey] The key representation of path.
 * @returns {*} Returns the resolved value.
 */
function baseGet(object, path, pathKey) {
  if (object == null) {
    return;
  }
  if (pathKey !== undefined && pathKey in toObject(object)) {
    path = [pathKey];
  }
  var index = 0,
      length = path.length;

  while (object != null && index < length) {
    object = object[path[index++]];
  }
  return (index && index == length) ? object : undefined;
}

/**
 * The base implementation of `_.isMatch` without support for callback
 * shorthands and `this` binding.
 *
 * @private
 * @param {Object} object The object to inspect.
 * @param {Array} matchData The propery names, values, and compare flags to match.
 * @param {Function} [customizer] The function to customize comparing objects.
 * @returns {boolean} Returns `true` if `object` is a match, else `false`.
 */
function baseIsMatch(object, matchData, customizer) {
  var index = matchData.length,
      length = index,
      noCustomizer = !customizer;

  if (object == null) {
    return !length;
  }
  object = toObject(object);
  while (index--) {
    var data = matchData[index];
    if ((noCustomizer && data[2])
          ? data[1] !== object[data[0]]
          : !(data[0] in object)
        ) {
      return false;
    }
  }
  while (++index < length) {
    data = matchData[index];
    var key = data[0],
        objValue = object[key],
        srcValue = data[1];

    if (noCustomizer && data[2]) {
      if (objValue === undefined && !(key in object)) {
        return false;
      }
    } else {
      var result = customizer ? customizer(objValue, srcValue, key) : undefined;
      if (!(result === undefined ? baseIsEqual(srcValue, objValue, customizer, true) : result)) {
        return false;
      }
    }
  }
  return true;
}

/**
 * The base implementation of `_.matches` which does not clone `source`.
 *
 * @private
 * @param {Object} source The object of property values to match.
 * @returns {Function} Returns the new function.
 */
function baseMatches(source) {
  var matchData = getMatchData(source);
  if (matchData.length == 1 && matchData[0][2]) {
    var key = matchData[0][0],
        value = matchData[0][1];

    return function(object) {
      if (object == null) {
        return false;
      }
      return object[key] === value && (value !== undefined || (key in toObject(object)));
    };
  }
  return function(object) {
    return baseIsMatch(object, matchData);
  };
}

/**
 * The base implementation of `_.matchesProperty` which does not clone `srcValue`.
 *
 * @private
 * @param {string} path The path of the property to get.
 * @param {*} srcValue The value to compare.
 * @returns {Function} Returns the new function.
 */
function baseMatchesProperty(path, srcValue) {
  var isArr = isArray(path),
      isCommon = isKey(path) && isStrictComparable(srcValue),
      pathKey = (path + '');

  path = toPath(path);
  return function(object) {
    if (object == null) {
      return false;
    }
    var key = pathKey;
    object = toObject(object);
    if ((isArr || !isCommon) && !(key in object)) {
      object = path.length == 1 ? object : baseGet(object, baseSlice(path, 0, -1));
      if (object == null) {
        return false;
      }
      key = last(path);
      object = toObject(object);
    }
    return object[key] === srcValue
      ? (srcValue !== undefined || (key in object))
      : baseIsEqual(srcValue, object[key], undefined, true);
  };
}

/**
 * The base implementation of `_.property` without support for deep paths.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @returns {Function} Returns the new function.
 */
function baseProperty(key) {
  return function(object) {
    return object == null ? undefined : object[key];
  };
}

/**
 * A specialized version of `baseProperty` which supports deep paths.
 *
 * @private
 * @param {Array|string} path The path of the property to get.
 * @returns {Function} Returns the new function.
 */
function basePropertyDeep(path) {
  var pathKey = (path + '');
  path = toPath(path);
  return function(object) {
    return baseGet(object, path, pathKey);
  };
}

/**
 * The base implementation of `_.slice` without an iteratee call guard.
 *
 * @private
 * @param {Array} array The array to slice.
 * @param {number} [start=0] The start position.
 * @param {number} [end=array.length] The end position.
 * @returns {Array} Returns the slice of `array`.
 */
function baseSlice(array, start, end) {
  var index = -1,
      length = array.length;

  start = start == null ? 0 : (+start || 0);
  if (start < 0) {
    start = -start > length ? 0 : (length + start);
  }
  end = (end === undefined || end > length) ? length : (+end || 0);
  if (end < 0) {
    end += length;
  }
  length = start > end ? 0 : ((end - start) >>> 0);
  start >>>= 0;

  var result = Array(length);
  while (++index < length) {
    result[index] = array[index + start];
  }
  return result;
}

/**
 * Gets the propery names, values, and compare flags of `object`.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {Array} Returns the match data of `object`.
 */
function getMatchData(object) {
  var result = pairs(object),
      length = result.length;

  while (length--) {
    result[length][2] = isStrictComparable(result[length][1]);
  }
  return result;
}

/**
 * Checks if `value` is a property name and not a property path.
 *
 * @private
 * @param {*} value The value to check.
 * @param {Object} [object] The object to query keys on.
 * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
 */
function isKey(value, object) {
  var type = typeof value;
  if ((type == 'string' && reIsPlainProp.test(value)) || type == 'number') {
    return true;
  }
  if (isArray(value)) {
    return false;
  }
  var result = !reIsDeepProp.test(value);
  return result || (object != null && value in toObject(object));
}

/**
 * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` if suitable for strict
 *  equality comparisons, else `false`.
 */
function isStrictComparable(value) {
  return value === value && !isObject(value);
}

/**
 * Converts `value` to an object if it's not one.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {Object} Returns the object.
 */
function toObject(value) {
  return isObject(value) ? value : Object(value);
}

/**
 * Converts `value` to property path array if it's not one.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {Array} Returns the property path array.
 */
function toPath(value) {
  if (isArray(value)) {
    return value;
  }
  var result = [];
  baseToString(value).replace(rePropName, function(match, number, quote, string) {
    result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
  });
  return result;
}

/**
 * Gets the last element of `array`.
 *
 * @static
 * @memberOf _
 * @category Array
 * @param {Array} array The array to query.
 * @returns {*} Returns the last element of `array`.
 * @example
 *
 * _.last([1, 2, 3]);
 * // => 3
 */
function last(array) {
  var length = array ? array.length : 0;
  return length ? array[length - 1] : undefined;
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

/**
 * This method returns the first argument provided to it.
 *
 * @static
 * @memberOf _
 * @category Utility
 * @param {*} value Any value.
 * @returns {*} Returns `value`.
 * @example
 *
 * var object = { 'user': 'fred' };
 *
 * _.identity(object) === object;
 * // => true
 */
function identity(value) {
  return value;
}

/**
 * Creates a function that returns the property value at `path` on a
 * given object.
 *
 * @static
 * @memberOf _
 * @category Utility
 * @param {Array|string} path The path of the property to get.
 * @returns {Function} Returns the new function.
 * @example
 *
 * var objects = [
 *   { 'a': { 'b': { 'c': 2 } } },
 *   { 'a': { 'b': { 'c': 1 } } }
 * ];
 *
 * _.map(objects, _.property('a.b.c'));
 * // => [2, 1]
 *
 * _.pluck(_.sortBy(objects, _.property(['a', 'b', 'c'])), 'a.b.c');
 * // => [1, 2]
 */
function property(path) {
  return isKey(path) ? baseProperty(path) : basePropertyDeep(path);
}

module.exports = baseCallback;

},{"lodash._baseisequal":69,"lodash._bindcallback":71,"lodash.isarray":65,"lodash.pairs":72}],69:[function(require,module,exports){
/**
 * lodash 3.0.7 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var isArray = require('lodash.isarray'),
    isTypedArray = require('lodash.istypedarray'),
    keys = require('lodash.keys');

/** `Object#toString` result references. */
var argsTag = '[object Arguments]',
    arrayTag = '[object Array]',
    boolTag = '[object Boolean]',
    dateTag = '[object Date]',
    errorTag = '[object Error]',
    numberTag = '[object Number]',
    objectTag = '[object Object]',
    regexpTag = '[object RegExp]',
    stringTag = '[object String]';

/**
 * Checks if `value` is object-like.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 */
function isObjectLike(value) {
  return !!value && typeof value == 'object';
}

/** Used for native method references. */
var objectProto = Object.prototype;

/** Used to check objects for own properties. */
var hasOwnProperty = objectProto.hasOwnProperty;

/**
 * Used to resolve the [`toStringTag`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.prototype.tostring)
 * of values.
 */
var objToString = objectProto.toString;

/**
 * A specialized version of `_.some` for arrays without support for callback
 * shorthands and `this` binding.
 *
 * @private
 * @param {Array} array The array to iterate over.
 * @param {Function} predicate The function invoked per iteration.
 * @returns {boolean} Returns `true` if any element passes the predicate check,
 *  else `false`.
 */
function arraySome(array, predicate) {
  var index = -1,
      length = array.length;

  while (++index < length) {
    if (predicate(array[index], index, array)) {
      return true;
    }
  }
  return false;
}

/**
 * The base implementation of `_.isEqual` without support for `this` binding
 * `customizer` functions.
 *
 * @private
 * @param {*} value The value to compare.
 * @param {*} other The other value to compare.
 * @param {Function} [customizer] The function to customize comparing values.
 * @param {boolean} [isLoose] Specify performing partial comparisons.
 * @param {Array} [stackA] Tracks traversed `value` objects.
 * @param {Array} [stackB] Tracks traversed `other` objects.
 * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
 */
function baseIsEqual(value, other, customizer, isLoose, stackA, stackB) {
  if (value === other) {
    return true;
  }
  if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
    return value !== value && other !== other;
  }
  return baseIsEqualDeep(value, other, baseIsEqual, customizer, isLoose, stackA, stackB);
}

/**
 * A specialized version of `baseIsEqual` for arrays and objects which performs
 * deep comparisons and tracks traversed objects enabling objects with circular
 * references to be compared.
 *
 * @private
 * @param {Object} object The object to compare.
 * @param {Object} other The other object to compare.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Function} [customizer] The function to customize comparing objects.
 * @param {boolean} [isLoose] Specify performing partial comparisons.
 * @param {Array} [stackA=[]] Tracks traversed `value` objects.
 * @param {Array} [stackB=[]] Tracks traversed `other` objects.
 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
 */
function baseIsEqualDeep(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
  var objIsArr = isArray(object),
      othIsArr = isArray(other),
      objTag = arrayTag,
      othTag = arrayTag;

  if (!objIsArr) {
    objTag = objToString.call(object);
    if (objTag == argsTag) {
      objTag = objectTag;
    } else if (objTag != objectTag) {
      objIsArr = isTypedArray(object);
    }
  }
  if (!othIsArr) {
    othTag = objToString.call(other);
    if (othTag == argsTag) {
      othTag = objectTag;
    } else if (othTag != objectTag) {
      othIsArr = isTypedArray(other);
    }
  }
  var objIsObj = objTag == objectTag,
      othIsObj = othTag == objectTag,
      isSameTag = objTag == othTag;

  if (isSameTag && !(objIsArr || objIsObj)) {
    return equalByTag(object, other, objTag);
  }
  if (!isLoose) {
    var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
        othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');

    if (objIsWrapped || othIsWrapped) {
      return equalFunc(objIsWrapped ? object.value() : object, othIsWrapped ? other.value() : other, customizer, isLoose, stackA, stackB);
    }
  }
  if (!isSameTag) {
    return false;
  }
  // Assume cyclic values are equal.
  // For more information on detecting circular references see https://es5.github.io/#JO.
  stackA || (stackA = []);
  stackB || (stackB = []);

  var length = stackA.length;
  while (length--) {
    if (stackA[length] == object) {
      return stackB[length] == other;
    }
  }
  // Add `object` and `other` to the stack of traversed objects.
  stackA.push(object);
  stackB.push(other);

  var result = (objIsArr ? equalArrays : equalObjects)(object, other, equalFunc, customizer, isLoose, stackA, stackB);

  stackA.pop();
  stackB.pop();

  return result;
}

/**
 * A specialized version of `baseIsEqualDeep` for arrays with support for
 * partial deep comparisons.
 *
 * @private
 * @param {Array} array The array to compare.
 * @param {Array} other The other array to compare.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Function} [customizer] The function to customize comparing arrays.
 * @param {boolean} [isLoose] Specify performing partial comparisons.
 * @param {Array} [stackA] Tracks traversed `value` objects.
 * @param {Array} [stackB] Tracks traversed `other` objects.
 * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
 */
function equalArrays(array, other, equalFunc, customizer, isLoose, stackA, stackB) {
  var index = -1,
      arrLength = array.length,
      othLength = other.length;

  if (arrLength != othLength && !(isLoose && othLength > arrLength)) {
    return false;
  }
  // Ignore non-index properties.
  while (++index < arrLength) {
    var arrValue = array[index],
        othValue = other[index],
        result = customizer ? customizer(isLoose ? othValue : arrValue, isLoose ? arrValue : othValue, index) : undefined;

    if (result !== undefined) {
      if (result) {
        continue;
      }
      return false;
    }
    // Recursively compare arrays (susceptible to call stack limits).
    if (isLoose) {
      if (!arraySome(other, function(othValue) {
            return arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);
          })) {
        return false;
      }
    } else if (!(arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB))) {
      return false;
    }
  }
  return true;
}

/**
 * A specialized version of `baseIsEqualDeep` for comparing objects of
 * the same `toStringTag`.
 *
 * **Note:** This function only supports comparing values with tags of
 * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
 *
 * @private
 * @param {Object} value The object to compare.
 * @param {Object} other The other object to compare.
 * @param {string} tag The `toStringTag` of the objects to compare.
 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
 */
function equalByTag(object, other, tag) {
  switch (tag) {
    case boolTag:
    case dateTag:
      // Coerce dates and booleans to numbers, dates to milliseconds and booleans
      // to `1` or `0` treating invalid dates coerced to `NaN` as not equal.
      return +object == +other;

    case errorTag:
      return object.name == other.name && object.message == other.message;

    case numberTag:
      // Treat `NaN` vs. `NaN` as equal.
      return (object != +object)
        ? other != +other
        : object == +other;

    case regexpTag:
    case stringTag:
      // Coerce regexes to strings and treat strings primitives and string
      // objects as equal. See https://es5.github.io/#x15.10.6.4 for more details.
      return object == (other + '');
  }
  return false;
}

/**
 * A specialized version of `baseIsEqualDeep` for objects with support for
 * partial deep comparisons.
 *
 * @private
 * @param {Object} object The object to compare.
 * @param {Object} other The other object to compare.
 * @param {Function} equalFunc The function to determine equivalents of values.
 * @param {Function} [customizer] The function to customize comparing values.
 * @param {boolean} [isLoose] Specify performing partial comparisons.
 * @param {Array} [stackA] Tracks traversed `value` objects.
 * @param {Array} [stackB] Tracks traversed `other` objects.
 * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
 */
function equalObjects(object, other, equalFunc, customizer, isLoose, stackA, stackB) {
  var objProps = keys(object),
      objLength = objProps.length,
      othProps = keys(other),
      othLength = othProps.length;

  if (objLength != othLength && !isLoose) {
    return false;
  }
  var index = objLength;
  while (index--) {
    var key = objProps[index];
    if (!(isLoose ? key in other : hasOwnProperty.call(other, key))) {
      return false;
    }
  }
  var skipCtor = isLoose;
  while (++index < objLength) {
    key = objProps[index];
    var objValue = object[key],
        othValue = other[key],
        result = customizer ? customizer(isLoose ? othValue : objValue, isLoose? objValue : othValue, key) : undefined;

    // Recursively compare objects (susceptible to call stack limits).
    if (!(result === undefined ? equalFunc(objValue, othValue, customizer, isLoose, stackA, stackB) : result)) {
      return false;
    }
    skipCtor || (skipCtor = key == 'constructor');
  }
  if (!skipCtor) {
    var objCtor = object.constructor,
        othCtor = other.constructor;

    // Non `Object` object instances with different constructors are not equal.
    if (objCtor != othCtor &&
        ('constructor' in object && 'constructor' in other) &&
        !(typeof objCtor == 'function' && objCtor instanceof objCtor &&
          typeof othCtor == 'function' && othCtor instanceof othCtor)) {
      return false;
    }
  }
  return true;
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

module.exports = baseIsEqual;

},{"lodash.isarray":65,"lodash.istypedarray":70,"lodash.keys":74}],70:[function(require,module,exports){
/**
 * lodash 3.0.2 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/** `Object#toString` result references. */
var argsTag = '[object Arguments]',
    arrayTag = '[object Array]',
    boolTag = '[object Boolean]',
    dateTag = '[object Date]',
    errorTag = '[object Error]',
    funcTag = '[object Function]',
    mapTag = '[object Map]',
    numberTag = '[object Number]',
    objectTag = '[object Object]',
    regexpTag = '[object RegExp]',
    setTag = '[object Set]',
    stringTag = '[object String]',
    weakMapTag = '[object WeakMap]';

var arrayBufferTag = '[object ArrayBuffer]',
    float32Tag = '[object Float32Array]',
    float64Tag = '[object Float64Array]',
    int8Tag = '[object Int8Array]',
    int16Tag = '[object Int16Array]',
    int32Tag = '[object Int32Array]',
    uint8Tag = '[object Uint8Array]',
    uint8ClampedTag = '[object Uint8ClampedArray]',
    uint16Tag = '[object Uint16Array]',
    uint32Tag = '[object Uint32Array]';

/** Used to identify `toStringTag` values of typed arrays. */
var typedArrayTags = {};
typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
typedArrayTags[uint32Tag] = true;
typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
typedArrayTags[dateTag] = typedArrayTags[errorTag] =
typedArrayTags[funcTag] = typedArrayTags[mapTag] =
typedArrayTags[numberTag] = typedArrayTags[objectTag] =
typedArrayTags[regexpTag] = typedArrayTags[setTag] =
typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;

/**
 * Checks if `value` is object-like.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
 */
function isObjectLike(value) {
  return !!value && typeof value == 'object';
}

/** Used for native method references. */
var objectProto = Object.prototype;

/**
 * Used to resolve the [`toStringTag`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.prototype.tostring)
 * of values.
 */
var objToString = objectProto.toString;

/**
 * Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
 * of an array-like value.
 */
var MAX_SAFE_INTEGER = 9007199254740991;

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This function is based on [`ToLength`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength).
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 */
function isLength(value) {
  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

/**
 * Checks if `value` is classified as a typed array.
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is correctly classified, else `false`.
 * @example
 *
 * _.isTypedArray(new Uint8Array);
 * // => true
 *
 * _.isTypedArray([]);
 * // => false
 */
function isTypedArray(value) {
  return isObjectLike(value) && isLength(value.length) && !!typedArrayTags[objToString.call(value)];
}

module.exports = isTypedArray;

},{}],71:[function(require,module,exports){
arguments[4][60][0].apply(exports,arguments)
},{"dup":60}],72:[function(require,module,exports){
/**
 * lodash 3.0.1 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var keys = require('lodash.keys');

/**
 * Converts `value` to an object if it's not one.
 *
 * @private
 * @param {*} value The value to process.
 * @returns {Object} Returns the object.
 */
function toObject(value) {
  return isObject(value) ? value : Object(value);
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

/**
 * Creates a two dimensional array of the key-value pairs for `object`,
 * e.g. `[[key1, value1], [key2, value2]]`.
 *
 * @static
 * @memberOf _
 * @category Object
 * @param {Object} object The object to query.
 * @returns {Array} Returns the new array of key-value pairs.
 * @example
 *
 * _.pairs({ 'barney': 36, 'fred': 40 });
 * // => [['barney', 36], ['fred', 40]] (iteration order is not guaranteed)
 */
function pairs(object) {
  object = toObject(object);

  var index = -1,
      props = keys(object),
      length = props.length,
      result = Array(length);

  while (++index < length) {
    var key = props[index];
    result[index] = [key, object[key]];
  }
  return result;
}

module.exports = pairs;

},{"lodash.keys":74}],73:[function(require,module,exports){
arguments[4][56][0].apply(exports,arguments)
},{"dup":56,"lodash.keys":74}],74:[function(require,module,exports){
arguments[4][57][0].apply(exports,arguments)
},{"dup":57,"lodash._getnative":75,"lodash.isarguments":76,"lodash.isarray":65}],75:[function(require,module,exports){
arguments[4][58][0].apply(exports,arguments)
},{"dup":58}],76:[function(require,module,exports){
arguments[4][59][0].apply(exports,arguments)
},{"dup":59}],77:[function(require,module,exports){
var toSDP = require('./lib/tosdp');
var toJSON = require('./lib/tojson');


// Converstion from JSON to SDP

exports.toIncomingSDPOffer = function (session) {
    return toSDP.toSessionSDP(session, {
        role: 'responder',
        direction: 'incoming'
    });
};
exports.toOutgoingSDPOffer = function (session) {
    return toSDP.toSessionSDP(session, {
        role: 'initiator',
        direction: 'outgoing'
    });
};
exports.toIncomingSDPAnswer = function (session) {
    return toSDP.toSessionSDP(session, {
        role: 'initiator',
        direction: 'incoming'
    });
};
exports.toOutgoingSDPAnswer = function (session) {
    return toSDP.toSessionSDP(session, {
        role: 'responder',
        direction: 'outgoing'
    });
};
exports.toIncomingMediaSDPOffer = function (media) {
    return toSDP.toMediaSDP(media, {
        role: 'responder',
        direction: 'incoming'
    });
};
exports.toOutgoingMediaSDPOffer = function (media) {
    return toSDP.toMediaSDP(media, {
        role: 'initiator',
        direction: 'outgoing'
    });
};
exports.toIncomingMediaSDPAnswer = function (media) {
    return toSDP.toMediaSDP(media, {
        role: 'initiator',
        direction: 'incoming'
    });
};
exports.toOutgoingMediaSDPAnswer = function (media) {
    return toSDP.toMediaSDP(media, {
        role: 'responder',
        direction: 'outgoing'
    });
};
exports.toCandidateSDP = toSDP.toCandidateSDP;
exports.toMediaSDP = toSDP.toMediaSDP;
exports.toSessionSDP = toSDP.toSessionSDP;


// Conversion from SDP to JSON

exports.toIncomingJSONOffer = function (sdp, creators) {
    return toJSON.toSessionJSON(sdp, {
        role: 'responder',
        direction: 'incoming',
        creators: creators
    });
};
exports.toOutgoingJSONOffer = function (sdp, creators) {
    return toJSON.toSessionJSON(sdp, {
        role: 'initiator',
        direction: 'outgoing',
        creators: creators
    });
};
exports.toIncomingJSONAnswer = function (sdp, creators) {
    return toJSON.toSessionJSON(sdp, {
        role: 'initiator',
        direction: 'incoming',
        creators: creators
    });
};
exports.toOutgoingJSONAnswer = function (sdp, creators) {
    return toJSON.toSessionJSON(sdp, {
        role: 'responder',
        direction: 'outgoing',
        creators: creators
    });
};
exports.toIncomingMediaJSONOffer = function (sdp, creator) {
    return toJSON.toMediaJSON(sdp, {
        role: 'responder',
        direction: 'incoming',
        creator: creator
    });
};
exports.toOutgoingMediaJSONOffer = function (sdp, creator) {
    return toJSON.toMediaJSON(sdp, {
        role: 'initiator',
        direction: 'outgoing',
        creator: creator
    });
};
exports.toIncomingMediaJSONAnswer = function (sdp, creator) {
    return toJSON.toMediaJSON(sdp, {
        role: 'initiator',
        direction: 'incoming',
        creator: creator
    });
};
exports.toOutgoingMediaJSONAnswer = function (sdp, creator) {
    return toJSON.toMediaJSON(sdp, {
        role: 'responder',
        direction: 'outgoing',
        creator: creator
    });
};
exports.toCandidateJSON = toJSON.toCandidateJSON;
exports.toMediaJSON = toJSON.toMediaJSON;
exports.toSessionJSON = toJSON.toSessionJSON;

},{"./lib/tojson":80,"./lib/tosdp":81}],78:[function(require,module,exports){
exports.lines = function (sdp) {
    return sdp.split('\r\n').filter(function (line) {
        return line.length > 0;
    });
};

exports.findLine = function (prefix, mediaLines, sessionLines) {
    var prefixLength = prefix.length;
    for (var i = 0; i < mediaLines.length; i++) {
        if (mediaLines[i].substr(0, prefixLength) === prefix) {
            return mediaLines[i];
        }
    }
    // Continue searching in parent session section
    if (!sessionLines) {
        return false;
    }

    for (var j = 0; j < sessionLines.length; j++) {
        if (sessionLines[j].substr(0, prefixLength) === prefix) {
            return sessionLines[j];
        }
    }

    return false;
};

exports.findLines = function (prefix, mediaLines, sessionLines) {
    var results = [];
    var prefixLength = prefix.length;
    for (var i = 0; i < mediaLines.length; i++) {
        if (mediaLines[i].substr(0, prefixLength) === prefix) {
            results.push(mediaLines[i]);
        }
    }
    if (results.length || !sessionLines) {
        return results;
    }
    for (var j = 0; j < sessionLines.length; j++) {
        if (sessionLines[j].substr(0, prefixLength) === prefix) {
            results.push(sessionLines[j]);
        }
    }
    return results;
};

exports.mline = function (line) {
    var parts = line.substr(2).split(' ');
    var parsed = {
        media: parts[0],
        port: parts[1],
        proto: parts[2],
        formats: []
    };
    for (var i = 3; i < parts.length; i++) {
        if (parts[i]) {
            parsed.formats.push(parts[i]);
        }
    }
    return parsed;
};

exports.rtpmap = function (line) {
    var parts = line.substr(9).split(' ');
    var parsed = {
        id: parts.shift()
    };

    parts = parts[0].split('/');

    parsed.name = parts[0];
    parsed.clockrate = parts[1];
    parsed.channels = parts.length == 3 ? parts[2] : '1';
    return parsed;
};

exports.sctpmap = function (line) {
    // based on -05 draft
    var parts = line.substr(10).split(' ');
    var parsed = {
        number: parts.shift(),
        protocol: parts.shift(),
        streams: parts.shift()
    };
    return parsed;
};


exports.fmtp = function (line) {
    var kv, key, value;
    var parts = line.substr(line.indexOf(' ') + 1).split(';');
    var parsed = [];
    for (var i = 0; i < parts.length; i++) {
        kv = parts[i].split('=');
        key = kv[0].trim();
        value = kv[1];
        if (key && value) {
            parsed.push({key: key, value: value});
        } else if (key) {
            parsed.push({key: '', value: key});
        }
    }
    return parsed;
};

exports.crypto = function (line) {
    var parts = line.substr(9).split(' ');
    var parsed = {
        tag: parts[0],
        cipherSuite: parts[1],
        keyParams: parts[2],
        sessionParams: parts.slice(3).join(' ')
    };
    return parsed;
};

exports.fingerprint = function (line) {
    var parts = line.substr(14).split(' ');
    return {
        hash: parts[0],
        value: parts[1]
    };
};

exports.extmap = function (line) {
    var parts = line.substr(9).split(' ');
    var parsed = {};

    var idpart = parts.shift();
    var sp = idpart.indexOf('/');
    if (sp >= 0) {
        parsed.id = idpart.substr(0, sp);
        parsed.senders = idpart.substr(sp + 1);
    } else {
        parsed.id = idpart;
        parsed.senders = 'sendrecv';
    }

    parsed.uri = parts.shift() || '';

    return parsed;
};

exports.rtcpfb = function (line) {
    var parts = line.substr(10).split(' ');
    var parsed = {};
    parsed.id = parts.shift();
    parsed.type = parts.shift();
    if (parsed.type === 'trr-int') {
        parsed.value = parts.shift();
    } else {
        parsed.subtype = parts.shift() || '';
    }
    parsed.parameters = parts;
    return parsed;
};

exports.candidate = function (line) {
    var parts;
    if (line.indexOf('a=candidate:') === 0) {
        parts = line.substring(12).split(' ');
    } else { // no a=candidate
        parts = line.substring(10).split(' ');
    }

    var candidate = {
        foundation: parts[0],
        component: parts[1],
        protocol: parts[2].toLowerCase(),
        priority: parts[3],
        ip: parts[4],
        port: parts[5],
        // skip parts[6] == 'typ'
        type: parts[7],
        generation: '0'
    };

    for (var i = 8; i < parts.length; i += 2) {
        if (parts[i] === 'raddr') {
            candidate.relAddr = parts[i + 1];
        } else if (parts[i] === 'rport') {
            candidate.relPort = parts[i + 1];
        } else if (parts[i] === 'generation') {
            candidate.generation = parts[i + 1];
        } else if (parts[i] === 'tcptype') {
            candidate.tcpType = parts[i + 1];
        }
    }

    candidate.network = '1';

    return candidate;
};

exports.sourceGroups = function (lines) {
    var parsed = [];
    for (var i = 0; i < lines.length; i++) {
        var parts = lines[i].substr(13).split(' ');
        parsed.push({
            semantics: parts.shift(),
            sources: parts
        });
    }
    return parsed;
};

exports.sources = function (lines) {
    // http://tools.ietf.org/html/rfc5576
    var parsed = [];
    var sources = {};
    for (var i = 0; i < lines.length; i++) {
        var parts = lines[i].substr(7).split(' ');
        var ssrc = parts.shift();

        if (!sources[ssrc]) {
            var source = {
                ssrc: ssrc,
                parameters: []
            };
            parsed.push(source);

            // Keep an index
            sources[ssrc] = source;
        }

        parts = parts.join(' ').split(':');
        var attribute = parts.shift();
        var value = parts.join(':') || null;

        sources[ssrc].parameters.push({
            key: attribute,
            value: value
        });
    }

    return parsed;
};

exports.groups = function (lines) {
    // http://tools.ietf.org/html/rfc5888
    var parsed = [];
    var parts;
    for (var i = 0; i < lines.length; i++) {
        parts = lines[i].substr(8).split(' ');
        parsed.push({
            semantics: parts.shift(),
            contents: parts
        });
    }
    return parsed;
};

exports.bandwidth = function (line) {
    var parts = line.substr(2).split(':');
    var parsed = {};
    parsed.type = parts.shift();
    parsed.bandwidth = parts.shift();
    return parsed;
};

exports.msid = function (line) {
    var data = line.substr(7);
    var parts = data.split(' ');
    return {
        msid: data,
        mslabel: parts[0],
        label: parts[1]
    };
};

},{}],79:[function(require,module,exports){
module.exports = {
    initiator: {
        incoming: {
            initiator: 'recvonly',
            responder: 'sendonly',
            both: 'sendrecv',
            none: 'inactive',
            recvonly: 'initiator',
            sendonly: 'responder',
            sendrecv: 'both',
            inactive: 'none'
        },
        outgoing: {
            initiator: 'sendonly',
            responder: 'recvonly',
            both: 'sendrecv',
            none: 'inactive',
            recvonly: 'responder',
            sendonly: 'initiator',
            sendrecv: 'both',
            inactive: 'none'
        }
    },
    responder: {
        incoming: {
            initiator: 'sendonly',
            responder: 'recvonly',
            both: 'sendrecv',
            none: 'inactive',
            recvonly: 'responder',
            sendonly: 'initiator',
            sendrecv: 'both',
            inactive: 'none'
        },
        outgoing: {
            initiator: 'recvonly',
            responder: 'sendonly',
            both: 'sendrecv',
            none: 'inactive',
            recvonly: 'initiator',
            sendonly: 'responder',
            sendrecv: 'both',
            inactive: 'none'
        }
    }
};

},{}],80:[function(require,module,exports){
var SENDERS = require('./senders');
var parsers = require('./parsers');
var idCounter = Math.random();


exports._setIdCounter = function (counter) {
    idCounter = counter;
};

exports.toSessionJSON = function (sdp, opts) {
    var i;
    var creators = opts.creators || [];
    var role = opts.role || 'initiator';
    var direction = opts.direction || 'outgoing';


    // Divide the SDP into session and media sections.
    var media = sdp.split('\r\nm=');
    for (i = 1; i < media.length; i++) {
        media[i] = 'm=' + media[i];
        if (i !== media.length - 1) {
            media[i] += '\r\n';
        }
    }
    var session = media.shift() + '\r\n';
    var sessionLines = parsers.lines(session);
    var parsed = {};

    var contents = [];
    for (i = 0; i < media.length; i++) {
        contents.push(exports.toMediaJSON(media[i], session, {
            role: role,
            direction: direction,
            creator: creators[i] || 'initiator'
        }));
    }
    parsed.contents = contents;

    var groupLines = parsers.findLines('a=group:', sessionLines);
    if (groupLines.length) {
        parsed.groups = parsers.groups(groupLines);
    }

    return parsed;
};

exports.toMediaJSON = function (media, session, opts) {
    var creator = opts.creator || 'initiator';
    var role = opts.role || 'initiator';
    var direction = opts.direction || 'outgoing';

    var lines = parsers.lines(media);
    var sessionLines = parsers.lines(session);
    var mline = parsers.mline(lines[0]);

    var content = {
        creator: creator,
        name: mline.media,
        description: {
            descType: 'rtp',
            media: mline.media,
            payloads: [],
            encryption: [],
            feedback: [],
            headerExtensions: []
        },
        transport: {
            transType: 'iceUdp',
            candidates: [],
            fingerprints: []
        }
    };
    if (mline.media == 'application') {
        // FIXME: the description is most likely to be independent
        // of the SDP and should be processed by other parts of the library
        content.description = {
            descType: 'datachannel'
        };
        content.transport.sctp = [];
    }
    var desc = content.description;
    var trans = content.transport;

    // If we have a mid, use that for the content name instead.
    var mid = parsers.findLine('a=mid:', lines);
    if (mid) {
        content.name = mid.substr(6);
    }

    if (parsers.findLine('a=sendrecv', lines, sessionLines)) {
        content.senders = 'both';
    } else if (parsers.findLine('a=sendonly', lines, sessionLines)) {
        content.senders = SENDERS[role][direction].sendonly;
    } else if (parsers.findLine('a=recvonly', lines, sessionLines)) {
        content.senders = SENDERS[role][direction].recvonly;
    } else if (parsers.findLine('a=inactive', lines, sessionLines)) {
        content.senders = 'none';
    }

    if (desc.descType == 'rtp') {
        var bandwidth = parsers.findLine('b=', lines);
        if (bandwidth) {
            desc.bandwidth = parsers.bandwidth(bandwidth);
        }

        var ssrc = parsers.findLine('a=ssrc:', lines);
        if (ssrc) {
            desc.ssrc = ssrc.substr(7).split(' ')[0];
        }

        var rtpmapLines = parsers.findLines('a=rtpmap:', lines);
        rtpmapLines.forEach(function (line) {
            var payload = parsers.rtpmap(line);
            payload.parameters = [];
            payload.feedback = [];

            var fmtpLines = parsers.findLines('a=fmtp:' + payload.id, lines);
            // There should only be one fmtp line per payload
            fmtpLines.forEach(function (line) {
                payload.parameters = parsers.fmtp(line);
            });

            var fbLines = parsers.findLines('a=rtcp-fb:' + payload.id, lines);
            fbLines.forEach(function (line) {
                payload.feedback.push(parsers.rtcpfb(line));
            });

            desc.payloads.push(payload);
        });

        var cryptoLines = parsers.findLines('a=crypto:', lines, sessionLines);
        cryptoLines.forEach(function (line) {
            desc.encryption.push(parsers.crypto(line));
        });

        if (parsers.findLine('a=rtcp-mux', lines)) {
            desc.mux = true;
        }

        var fbLines = parsers.findLines('a=rtcp-fb:*', lines);
        fbLines.forEach(function (line) {
            desc.feedback.push(parsers.rtcpfb(line));
        });

        var extLines = parsers.findLines('a=extmap:', lines);
        extLines.forEach(function (line) {
            var ext = parsers.extmap(line);

            ext.senders = SENDERS[role][direction][ext.senders];

            desc.headerExtensions.push(ext);
        });

        var ssrcGroupLines = parsers.findLines('a=ssrc-group:', lines);
        desc.sourceGroups = parsers.sourceGroups(ssrcGroupLines || []);

        var ssrcLines = parsers.findLines('a=ssrc:', lines);
        var sources = desc.sources = parsers.sources(ssrcLines || []);

        var msidLine = parsers.findLine('a=msid:', lines);
        if (msidLine) {
            var msid = parsers.msid(msidLine);
            ['msid', 'mslabel', 'label'].forEach(function (key) {
                for (var i = 0; i < sources.length; i++) {
                    var found = false;
                    for (var j = 0; j < sources[i].parameters.length; j++) {
                        if (sources[i].parameters[j].key === key) {
                            found = true;
                        }
                    }
                    if (!found) {
                        sources[i].parameters.push({ key: key, value: msid[key] });
                    }
                }
            });
        }

        if (parsers.findLine('a=x-google-flag:conference', lines, sessionLines)) {
            desc.googConferenceFlag = true;
        }
    }

    // transport specific attributes
    var fingerprintLines = parsers.findLines('a=fingerprint:', lines, sessionLines);
    var setup = parsers.findLine('a=setup:', lines, sessionLines);
    fingerprintLines.forEach(function (line) {
        var fp = parsers.fingerprint(line);
        if (setup) {
            fp.setup = setup.substr(8);
        }
        trans.fingerprints.push(fp);
    });

    var ufragLine = parsers.findLine('a=ice-ufrag:', lines, sessionLines);
    var pwdLine = parsers.findLine('a=ice-pwd:', lines, sessionLines);
    if (ufragLine && pwdLine) {
        trans.ufrag = ufragLine.substr(12);
        trans.pwd = pwdLine.substr(10);
        trans.candidates = [];

        var candidateLines = parsers.findLines('a=candidate:', lines, sessionLines);
        candidateLines.forEach(function (line) {
            trans.candidates.push(exports.toCandidateJSON(line));
        });
    }

    if (desc.descType == 'datachannel') {
        var sctpmapLines = parsers.findLines('a=sctpmap:', lines);
        sctpmapLines.forEach(function (line) {
            var sctp = parsers.sctpmap(line);
            trans.sctp.push(sctp);
        });
    }

    return content;
};

exports.toCandidateJSON = function (line) {
    var candidate = parsers.candidate(line.split('\r\n')[0]);
    candidate.id = (idCounter++).toString(36).substr(0, 12);
    return candidate;
};

},{"./parsers":78,"./senders":79}],81:[function(require,module,exports){
var SENDERS = require('./senders');


exports.toSessionSDP = function (session, opts) {
    var role = opts.role || 'initiator';
    var direction = opts.direction || 'outgoing';
    var sid = opts.sid || session.sid || Date.now();
    var time = opts.time || Date.now();

    var sdp = [
        'v=0',
        'o=- ' + sid + ' ' + time + ' IN IP4 0.0.0.0',
        's=-',
        't=0 0',
        'a=msid-semantic: WMS *'
    ];

    var groups = session.groups || [];
    groups.forEach(function (group) {
        sdp.push('a=group:' + group.semantics + ' ' + group.contents.join(' '));
    });

    var contents = session.contents || [];
    contents.forEach(function (content) {
        sdp.push(exports.toMediaSDP(content, opts));
    });

    return sdp.join('\r\n') + '\r\n';
};

exports.toMediaSDP = function (content, opts) {
    var sdp = [];

    var role = opts.role || 'initiator';
    var direction = opts.direction || 'outgoing';

    var desc = content.description;
    var transport = content.transport;
    var payloads = desc.payloads || [];
    var fingerprints = (transport && transport.fingerprints) || [];

    var mline = [];
    if (desc.descType == 'datachannel') {
        mline.push('application');
        mline.push('1');
        mline.push('DTLS/SCTP');
        if (transport.sctp) {
            transport.sctp.forEach(function (map) {
                mline.push(map.number);
            });
        }
    } else {
        mline.push(desc.media);
        mline.push('1');
        if ((desc.encryption && desc.encryption.length > 0) || (fingerprints.length > 0)) {
            mline.push('RTP/SAVPF');
        } else {
            mline.push('RTP/AVPF');
        }
        payloads.forEach(function (payload) {
            mline.push(payload.id);
        });
    }


    sdp.push('m=' + mline.join(' '));

    sdp.push('c=IN IP4 0.0.0.0');
    if (desc.bandwidth && desc.bandwidth.type && desc.bandwidth.bandwidth) {
        sdp.push('b=' + desc.bandwidth.type + ':' + desc.bandwidth.bandwidth);
    }
    if (desc.descType == 'rtp') {
        sdp.push('a=rtcp:1 IN IP4 0.0.0.0');
    }

    if (transport) {
        if (transport.ufrag) {
            sdp.push('a=ice-ufrag:' + transport.ufrag);
        }
        if (transport.pwd) {
            sdp.push('a=ice-pwd:' + transport.pwd);
        }

        var pushedSetup = false;
        fingerprints.forEach(function (fingerprint) {
            sdp.push('a=fingerprint:' + fingerprint.hash + ' ' + fingerprint.value);
            if (fingerprint.setup && !pushedSetup) {
                sdp.push('a=setup:' + fingerprint.setup);
            }
        });

        if (transport.sctp) {
            transport.sctp.forEach(function (map) {
                sdp.push('a=sctpmap:' + map.number + ' ' + map.protocol + ' ' + map.streams);
            });
        }
    }

    if (desc.descType == 'rtp') {
        sdp.push('a=' + (SENDERS[role][direction][content.senders] || 'sendrecv'));
    }
    sdp.push('a=mid:' + content.name);

    if (desc.sources && desc.sources.length) {
        (desc.sources[0].parameters || []).forEach(function (param) {
            if (param.key === 'msid') {
                sdp.push('a=msid:' + param.value);
            }
        });
    }

    if (desc.mux) {
        sdp.push('a=rtcp-mux');
    }

    var encryption = desc.encryption || [];
    encryption.forEach(function (crypto) {
        sdp.push('a=crypto:' + crypto.tag + ' ' + crypto.cipherSuite + ' ' + crypto.keyParams + (crypto.sessionParams ? ' ' + crypto.sessionParams : ''));
    });
    if (desc.googConferenceFlag) {
        sdp.push('a=x-google-flag:conference');
    }

    payloads.forEach(function (payload) {
        var rtpmap = 'a=rtpmap:' + payload.id + ' ' + payload.name + '/' + payload.clockrate;
        if (payload.channels && payload.channels != '1') {
            rtpmap += '/' + payload.channels;
        }
        sdp.push(rtpmap);

        if (payload.parameters && payload.parameters.length) {
            var fmtp = ['a=fmtp:' + payload.id];
            var parameters = [];
            payload.parameters.forEach(function (param) {
                parameters.push((param.key ? param.key + '=' : '') + param.value);
            });
            fmtp.push(parameters.join(';'));
            sdp.push(fmtp.join(' '));
        }

        if (payload.feedback) {
            payload.feedback.forEach(function (fb) {
                if (fb.type === 'trr-int') {
                    sdp.push('a=rtcp-fb:' + payload.id + ' trr-int ' + (fb.value ? fb.value : '0'));
                } else {
                    sdp.push('a=rtcp-fb:' + payload.id + ' ' + fb.type + (fb.subtype ? ' ' + fb.subtype : ''));
                }
            });
        }
    });

    if (desc.feedback) {
        desc.feedback.forEach(function (fb) {
            if (fb.type === 'trr-int') {
                sdp.push('a=rtcp-fb:* trr-int ' + (fb.value ? fb.value : '0'));
            } else {
                sdp.push('a=rtcp-fb:* ' + fb.type + (fb.subtype ? ' ' + fb.subtype : ''));
            }
        });
    }

    var hdrExts = desc.headerExtensions || [];
    hdrExts.forEach(function (hdr) {
        sdp.push('a=extmap:' + hdr.id + (hdr.senders ? '/' + SENDERS[role][direction][hdr.senders] : '') + ' ' + hdr.uri);
    });

    var ssrcGroups = desc.sourceGroups || [];
    ssrcGroups.forEach(function (ssrcGroup) {
        sdp.push('a=ssrc-group:' + ssrcGroup.semantics + ' ' + ssrcGroup.sources.join(' '));
    });

    var ssrcs = desc.sources || [];
    ssrcs.forEach(function (ssrc) {
        for (var i = 0; i < ssrc.parameters.length; i++) {
            var param = ssrc.parameters[i];
            sdp.push('a=ssrc:' + (ssrc.ssrc || desc.ssrc) + ' ' + param.key + (param.value ? (':' + param.value) : ''));
        }
    });

    var candidates = transport.candidates || [];
    candidates.forEach(function (candidate) {
        sdp.push(exports.toCandidateSDP(candidate));
    });

    return sdp.join('\r\n');
};

exports.toCandidateSDP = function (candidate) {
    var sdp = [];

    sdp.push(candidate.foundation);
    sdp.push(candidate.component);
    sdp.push(candidate.protocol.toUpperCase());
    sdp.push(candidate.priority);
    sdp.push(candidate.ip);
    sdp.push(candidate.port);

    var type = candidate.type;
    sdp.push('typ');
    sdp.push(type);
    if (type === 'srflx' || type === 'prflx' || type === 'relay') {
        if (candidate.relAddr && candidate.relPort) {
            sdp.push('raddr');
            sdp.push(candidate.relAddr);
            sdp.push('rport');
            sdp.push(candidate.relPort);
        }
    }
    if (candidate.tcpType && candidate.protocol.toUpperCase() == 'TCP') {
        sdp.push('tcptype');
        sdp.push(candidate.tcpType);
    }

    sdp.push('generation');
    sdp.push(candidate.generation || '0');

    // FIXME: apparently this is wrong per spec
    // but then, we need this when actually putting this into
    // SDP so it's going to stay.
    // decision needs to be revisited when browsers dont
    // accept this any longer
    return 'a=candidate:' + sdp.join(' ');
};

},{"./senders":79}],82:[function(require,module,exports){
// based on https://github.com/ESTOS/strophe.jingle/
// adds wildemitter support
var util = require('util');
var adapter = require('webrtc-adapter-test');
var WildEmitter = require('wildemitter');

function dumpSDP(description) {
    return {
        type: description.type,
        sdp: description.sdp
    };
}

function dumpStream(stream) {
    var info = {
        label: stream.id,
    };
    if (stream.getAudioTracks().length) {
        info.audio = stream.getAudioTracks().map(function (track) {
            return track.id;
        });
    }
    if (stream.getVideoTracks().length) {
        info.video = stream.getVideoTracks().map(function (track) {
            return track.id;
        });
    }
    return info;
}

function TraceablePeerConnection(config, constraints) {
    var self = this;
    WildEmitter.call(this);

    this.peerconnection = new window.RTCPeerConnection(config, constraints);

    this.trace = function (what, info) {
        self.emit('PeerConnectionTrace', {
            time: new Date(),
            type: what,
            value: info || ""
        });
    };

    this.onicecandidate = null;
    this.peerconnection.onicecandidate = function (event) {
        self.trace('onicecandidate', event.candidate);
        if (self.onicecandidate !== null) {
            self.onicecandidate(event);
        }
    };
    this.onaddstream = null;
    this.peerconnection.onaddstream = function (event) {
        self.trace('onaddstream', dumpStream(event.stream));
        if (self.onaddstream !== null) {
            self.onaddstream(event);
        }
    };
    this.onremovestream = null;
    this.peerconnection.onremovestream = function (event) {
        self.trace('onremovestream', dumpStream(event.stream));
        if (self.onremovestream !== null) {
            self.onremovestream(event);
        }
    };
    this.onsignalingstatechange = null;
    this.peerconnection.onsignalingstatechange = function (event) {
        self.trace('onsignalingstatechange', self.signalingState);
        if (self.onsignalingstatechange !== null) {
            self.onsignalingstatechange(event);
        }
    };
    this.oniceconnectionstatechange = null;
    this.peerconnection.oniceconnectionstatechange = function (event) {
        self.trace('oniceconnectionstatechange', self.iceConnectionState);
        if (self.oniceconnectionstatechange !== null) {
            self.oniceconnectionstatechange(event);
        }
    };
    this.onnegotiationneeded = null;
    this.peerconnection.onnegotiationneeded = function (event) {
        self.trace('onnegotiationneeded');
        if (self.onnegotiationneeded !== null) {
            self.onnegotiationneeded(event);
        }
    };
    self.ondatachannel = null;
    this.peerconnection.ondatachannel = function (event) {
        self.trace('ondatachannel', event);
        if (self.ondatachannel !== null) {
            self.ondatachannel(event);
        }
    };
    this.getLocalStreams = this.peerconnection.getLocalStreams.bind(this.peerconnection);
    this.getRemoteStreams = this.peerconnection.getRemoteStreams.bind(this.peerconnection);
}

util.inherits(TraceablePeerConnection, WildEmitter);

['signalingState', 'iceConnectionState', 'localDescription', 'remoteDescription'].forEach(function (prop) {
    Object.defineProperty(TraceablePeerConnection.prototype, prop, {
        get: function () {
            return this.peerconnection[prop];
        }
    });
});

TraceablePeerConnection.prototype.addStream = function (stream) {
    this.trace('addStream', dumpStream(stream));
    this.peerconnection.addStream(stream);
};

TraceablePeerConnection.prototype.removeStream = function (stream) {
    this.trace('removeStream', dumpStream(stream));
    this.peerconnection.removeStream(stream);
};

TraceablePeerConnection.prototype.createDataChannel = function (label, opts) {
    this.trace('createDataChannel', label, opts);
    return this.peerconnection.createDataChannel(label, opts);
};

TraceablePeerConnection.prototype.setLocalDescription = function (description, successCallback, failureCallback) {
    var self = this;
    this.trace('setLocalDescription', dumpSDP(description));
    this.peerconnection.setLocalDescription(description,
        function () {
            self.trace('setLocalDescriptionOnSuccess');
            if (successCallback) successCallback();
        },
        function (err) {
            self.trace('setLocalDescriptionOnFailure', err);
            if (failureCallback) failureCallback(err);
        }
    );
};

TraceablePeerConnection.prototype.setRemoteDescription = function (description, successCallback, failureCallback) {
    var self = this;
    this.trace('setRemoteDescription', dumpSDP(description));
    this.peerconnection.setRemoteDescription(description,
        function () {
            self.trace('setRemoteDescriptionOnSuccess');
            if (successCallback) successCallback();
        },
        function (err) {
            self.trace('setRemoteDescriptionOnFailure', err);
            if (failureCallback) failureCallback(err);
        }
    );
};

TraceablePeerConnection.prototype.close = function () {
    this.trace('stop');
    if (this.peerconnection.signalingState != 'closed') {
        this.peerconnection.close();
    }
};

TraceablePeerConnection.prototype.createOffer = function (successCallback, failureCallback, constraints) {
    var self = this;
    this.trace('createOffer', constraints);
    this.peerconnection.createOffer(
        function (offer) {
            self.trace('createOfferOnSuccess', dumpSDP(offer));
            if (successCallback) successCallback(offer);
        },
        function (err) {
            self.trace('createOfferOnFailure', err);
            if (failureCallback) failureCallback(err);
        },
        constraints
    );
};

TraceablePeerConnection.prototype.createAnswer = function (successCallback, failureCallback, constraints) {
    var self = this;
    this.trace('createAnswer', constraints);
    this.peerconnection.createAnswer(
        function (answer) {
            self.trace('createAnswerOnSuccess', dumpSDP(answer));
            if (successCallback) successCallback(answer);
        },
        function (err) {
            self.trace('createAnswerOnFailure', err);
            if (failureCallback) failureCallback(err);
        },
        constraints
    );
};

TraceablePeerConnection.prototype.addIceCandidate = function (candidate, successCallback, failureCallback) {
    var self = this;
    this.trace('addIceCandidate', candidate);
    this.peerconnection.addIceCandidate(candidate,
        function () {
            //self.trace('addIceCandidateOnSuccess');
            if (successCallback) successCallback();
        },
        function (err) {
            self.trace('addIceCandidateOnFailure', err);
            if (failureCallback) failureCallback(err);
        }
    );
};

TraceablePeerConnection.prototype.getStats = function () {
    this.peerconnection.getStats.apply(this.peerconnection, arguments);
};

module.exports = TraceablePeerConnection;

},{"util":28,"webrtc-adapter-test":83,"wildemitter":84}],83:[function(require,module,exports){
/*
 *  Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree.
 */

/* More information about these options at jshint.com/docs/options */
/* jshint browser: true, camelcase: true, curly: true, devel: true,
   eqeqeq: true, forin: false, globalstrict: true, node: true,
   quotmark: single, undef: true, unused: strict */
/* global mozRTCIceCandidate, mozRTCPeerConnection, Promise,
mozRTCSessionDescription, webkitRTCPeerConnection, MediaStreamTrack */
/* exported trace,requestUserMedia */

'use strict';

var getUserMedia = null;
var attachMediaStream = null;
var reattachMediaStream = null;
var webrtcDetectedBrowser = null;
var webrtcDetectedVersion = null;
var webrtcMinimumVersion = null;
var webrtcUtils = {
  log: function() {
    // suppress console.log output when being included as a module.
    if (typeof module !== 'undefined' ||
        typeof require === 'function' && typeof define === 'function') {
      return;
    }
    console.log.apply(console, arguments);
  },
  extractVersion: function(uastring, expr, pos) {
    var match = uastring.match(expr);
    return match && match.length >= pos && parseInt(match[pos]);
  }
};

function trace(text) {
  // This function is used for logging.
  if (text[text.length - 1] === '\n') {
    text = text.substring(0, text.length - 1);
  }
  if (window.performance) {
    var now = (window.performance.now() / 1000).toFixed(3);
    webrtcUtils.log(now + ': ' + text);
  } else {
    webrtcUtils.log(text);
  }
}

if (typeof window === 'object') {
  if (window.HTMLMediaElement &&
    !('srcObject' in window.HTMLMediaElement.prototype)) {
    // Shim the srcObject property, once, when HTMLMediaElement is found.
    Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
      get: function() {
        // If prefixed srcObject property exists, return it.
        // Otherwise use the shimmed property, _srcObject
        return 'mozSrcObject' in this ? this.mozSrcObject : this._srcObject;
      },
      set: function(stream) {
        if ('mozSrcObject' in this) {
          this.mozSrcObject = stream;
        } else {
          // Use _srcObject as a private property for this shim
          this._srcObject = stream;
          // TODO: revokeObjectUrl(this.src) when !stream to release resources?
          this.src = URL.createObjectURL(stream);
        }
      }
    });
  }
  // Proxy existing globals
  getUserMedia = window.navigator && window.navigator.getUserMedia;
}

// Attach a media stream to an element.
attachMediaStream = function(element, stream) {
  element.srcObject = stream;
};

reattachMediaStream = function(to, from) {
  to.srcObject = from.srcObject;
};

if (typeof window === 'undefined' || !window.navigator) {
  webrtcUtils.log('This does not appear to be a browser');
  webrtcDetectedBrowser = 'not a browser';
} else if (navigator.mozGetUserMedia && window.mozRTCPeerConnection) {
  webrtcUtils.log('This appears to be Firefox');

  webrtcDetectedBrowser = 'firefox';

  // the detected firefox version.
  webrtcDetectedVersion = webrtcUtils.extractVersion(navigator.userAgent,
      /Firefox\/([0-9]+)\./, 1);

  // the minimum firefox version still supported by adapter.
  webrtcMinimumVersion = 31;

  // The RTCPeerConnection object.
  window.RTCPeerConnection = function(pcConfig, pcConstraints) {
    if (webrtcDetectedVersion < 38) {
      // .urls is not supported in FF < 38.
      // create RTCIceServers with a single url.
      if (pcConfig && pcConfig.iceServers) {
        var newIceServers = [];
        for (var i = 0; i < pcConfig.iceServers.length; i++) {
          var server = pcConfig.iceServers[i];
          if (server.hasOwnProperty('urls')) {
            for (var j = 0; j < server.urls.length; j++) {
              var newServer = {
                url: server.urls[j]
              };
              if (server.urls[j].indexOf('turn') === 0) {
                newServer.username = server.username;
                newServer.credential = server.credential;
              }
              newIceServers.push(newServer);
            }
          } else {
            newIceServers.push(pcConfig.iceServers[i]);
          }
        }
        pcConfig.iceServers = newIceServers;
      }
    }
    return new mozRTCPeerConnection(pcConfig, pcConstraints); // jscs:ignore requireCapitalizedConstructors
  };

  // The RTCSessionDescription object.
  if (!window.RTCSessionDescription) {
    window.RTCSessionDescription = mozRTCSessionDescription;
  }

  // The RTCIceCandidate object.
  if (!window.RTCIceCandidate) {
    window.RTCIceCandidate = mozRTCIceCandidate;
  }

  // getUserMedia constraints shim.
  getUserMedia = function(constraints, onSuccess, onError) {
    var constraintsToFF37 = function(c) {
      if (typeof c !== 'object' || c.require) {
        return c;
      }
      var require = [];
      Object.keys(c).forEach(function(key) {
        if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
          return;
        }
        var r = c[key] = (typeof c[key] === 'object') ?
            c[key] : {ideal: c[key]};
        if (r.min !== undefined ||
            r.max !== undefined || r.exact !== undefined) {
          require.push(key);
        }
        if (r.exact !== undefined) {
          if (typeof r.exact === 'number') {
            r.min = r.max = r.exact;
          } else {
            c[key] = r.exact;
          }
          delete r.exact;
        }
        if (r.ideal !== undefined) {
          c.advanced = c.advanced || [];
          var oc = {};
          if (typeof r.ideal === 'number') {
            oc[key] = {min: r.ideal, max: r.ideal};
          } else {
            oc[key] = r.ideal;
          }
          c.advanced.push(oc);
          delete r.ideal;
          if (!Object.keys(r).length) {
            delete c[key];
          }
        }
      });
      if (require.length) {
        c.require = require;
      }
      return c;
    };
    if (webrtcDetectedVersion < 38) {
      webrtcUtils.log('spec: ' + JSON.stringify(constraints));
      if (constraints.audio) {
        constraints.audio = constraintsToFF37(constraints.audio);
      }
      if (constraints.video) {
        constraints.video = constraintsToFF37(constraints.video);
      }
      webrtcUtils.log('ff37: ' + JSON.stringify(constraints));
    }
    return navigator.mozGetUserMedia(constraints, onSuccess, onError);
  };

  navigator.getUserMedia = getUserMedia;

  // Shim for mediaDevices on older versions.
  if (!navigator.mediaDevices) {
    navigator.mediaDevices = {getUserMedia: requestUserMedia,
      addEventListener: function() { },
      removeEventListener: function() { }
    };
  }
  navigator.mediaDevices.enumerateDevices =
      navigator.mediaDevices.enumerateDevices || function() {
    return new Promise(function(resolve) {
      var infos = [
        {kind: 'audioinput', deviceId: 'default', label: '', groupId: ''},
        {kind: 'videoinput', deviceId: 'default', label: '', groupId: ''}
      ];
      resolve(infos);
    });
  };

  if (webrtcDetectedVersion < 41) {
    // Work around http://bugzil.la/1169665
    var orgEnumerateDevices =
        navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
    navigator.mediaDevices.enumerateDevices = function() {
      return orgEnumerateDevices().then(undefined, function(e) {
        if (e.name === 'NotFoundError') {
          return [];
        }
        throw e;
      });
    };
  }
} else if (navigator.webkitGetUserMedia && window.webkitRTCPeerConnection) {
  webrtcUtils.log('This appears to be Chrome');

  webrtcDetectedBrowser = 'chrome';

  // the detected chrome version.
  webrtcDetectedVersion = webrtcUtils.extractVersion(navigator.userAgent,
      /Chrom(e|ium)\/([0-9]+)\./, 2);

  // the minimum chrome version still supported by adapter.
  webrtcMinimumVersion = 38;

  // The RTCPeerConnection object.
  window.RTCPeerConnection = function(pcConfig, pcConstraints) {
    // Translate iceTransportPolicy to iceTransports,
    // see https://code.google.com/p/webrtc/issues/detail?id=4869
    if (pcConfig && pcConfig.iceTransportPolicy) {
      pcConfig.iceTransports = pcConfig.iceTransportPolicy;
    }

    var pc = new webkitRTCPeerConnection(pcConfig, pcConstraints); // jscs:ignore requireCapitalizedConstructors
    var origGetStats = pc.getStats.bind(pc);
    pc.getStats = function(selector, successCallback, errorCallback) { // jshint ignore: line
      var self = this;
      var args = arguments;

      // If selector is a function then we are in the old style stats so just
      // pass back the original getStats format to avoid breaking old users.
      if (arguments.length > 0 && typeof selector === 'function') {
        return origGetStats(selector, successCallback);
      }

      var fixChromeStats = function(response) {
        var standardReport = {};
        var reports = response.result();
        reports.forEach(function(report) {
          var standardStats = {
            id: report.id,
            timestamp: report.timestamp,
            type: report.type
          };
          report.names().forEach(function(name) {
            standardStats[name] = report.stat(name);
          });
          standardReport[standardStats.id] = standardStats;
        });

        return standardReport;
      };

      if (arguments.length >= 2) {
        var successCallbackWrapper = function(response) {
          args[1](fixChromeStats(response));
        };

        return origGetStats.apply(this, [successCallbackWrapper, arguments[0]]);
      }

      // promise-support
      return new Promise(function(resolve, reject) {
        if (args.length === 1 && selector === null) {
          origGetStats.apply(self, [
              function(response) {
                resolve.apply(null, [fixChromeStats(response)]);
              }, reject]);
        } else {
          origGetStats.apply(self, [resolve, reject]);
        }
      });
    };

    return pc;
  };

  // add promise support
  ['createOffer', 'createAnswer'].forEach(function(method) {
    var nativeMethod = webkitRTCPeerConnection.prototype[method];
    webkitRTCPeerConnection.prototype[method] = function() {
      var self = this;
      if (arguments.length < 1 || (arguments.length === 1 &&
          typeof(arguments[0]) === 'object')) {
        var opts = arguments.length === 1 ? arguments[0] : undefined;
        return new Promise(function(resolve, reject) {
          nativeMethod.apply(self, [resolve, reject, opts]);
        });
      } else {
        return nativeMethod.apply(this, arguments);
      }
    };
  });

  ['setLocalDescription', 'setRemoteDescription',
      'addIceCandidate'].forEach(function(method) {
    var nativeMethod = webkitRTCPeerConnection.prototype[method];
    webkitRTCPeerConnection.prototype[method] = function() {
      var args = arguments;
      var self = this;
      return new Promise(function(resolve, reject) {
        nativeMethod.apply(self, [args[0],
            function() {
              resolve();
              if (args.length >= 2) {
                args[1].apply(null, []);
              }
            },
            function(err) {
              reject(err);
              if (args.length >= 3) {
                args[2].apply(null, [err]);
              }
            }]
          );
      });
    };
  });

  // getUserMedia constraints shim.
  var constraintsToChrome = function(c) {
    if (typeof c !== 'object' || c.mandatory || c.optional) {
      return c;
    }
    var cc = {};
    Object.keys(c).forEach(function(key) {
      if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
        return;
      }
      var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
      if (r.exact !== undefined && typeof r.exact === 'number') {
        r.min = r.max = r.exact;
      }
      var oldname = function(prefix, name) {
        if (prefix) {
          return prefix + name.charAt(0).toUpperCase() + name.slice(1);
        }
        return (name === 'deviceId') ? 'sourceId' : name;
      };
      if (r.ideal !== undefined) {
        cc.optional = cc.optional || [];
        var oc = {};
        if (typeof r.ideal === 'number') {
          oc[oldname('min', key)] = r.ideal;
          cc.optional.push(oc);
          oc = {};
          oc[oldname('max', key)] = r.ideal;
          cc.optional.push(oc);
        } else {
          oc[oldname('', key)] = r.ideal;
          cc.optional.push(oc);
        }
      }
      if (r.exact !== undefined && typeof r.exact !== 'number') {
        cc.mandatory = cc.mandatory || {};
        cc.mandatory[oldname('', key)] = r.exact;
      } else {
        ['min', 'max'].forEach(function(mix) {
          if (r[mix] !== undefined) {
            cc.mandatory = cc.mandatory || {};
            cc.mandatory[oldname(mix, key)] = r[mix];
          }
        });
      }
    });
    if (c.advanced) {
      cc.optional = (cc.optional || []).concat(c.advanced);
    }
    return cc;
  };

  getUserMedia = function(constraints, onSuccess, onError) {
    if (constraints.audio) {
      constraints.audio = constraintsToChrome(constraints.audio);
    }
    if (constraints.video) {
      constraints.video = constraintsToChrome(constraints.video);
    }
    webrtcUtils.log('chrome: ' + JSON.stringify(constraints));
    return navigator.webkitGetUserMedia(constraints, onSuccess, onError);
  };
  navigator.getUserMedia = getUserMedia;

  if (!navigator.mediaDevices) {
    navigator.mediaDevices = {getUserMedia: requestUserMedia,
                              enumerateDevices: function() {
      return new Promise(function(resolve) {
        var kinds = {audio: 'audioinput', video: 'videoinput'};
        return MediaStreamTrack.getSources(function(devices) {
          resolve(devices.map(function(device) {
            return {label: device.label,
                    kind: kinds[device.kind],
                    deviceId: device.id,
                    groupId: ''};
          }));
        });
      });
    }};
  }

  // A shim for getUserMedia method on the mediaDevices object.
  // TODO(KaptenJansson) remove once implemented in Chrome stable.
  if (!navigator.mediaDevices.getUserMedia) {
    navigator.mediaDevices.getUserMedia = function(constraints) {
      return requestUserMedia(constraints);
    };
  } else {
    // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
    // function which returns a Promise, it does not accept spec-style
    // constraints.
    var origGetUserMedia = navigator.mediaDevices.getUserMedia.
        bind(navigator.mediaDevices);
    navigator.mediaDevices.getUserMedia = function(c) {
      webrtcUtils.log('spec:   ' + JSON.stringify(c)); // whitespace for alignment
      c.audio = constraintsToChrome(c.audio);
      c.video = constraintsToChrome(c.video);
      webrtcUtils.log('chrome: ' + JSON.stringify(c));
      return origGetUserMedia(c);
    };
  }

  // Dummy devicechange event methods.
  // TODO(KaptenJansson) remove once implemented in Chrome stable.
  if (typeof navigator.mediaDevices.addEventListener === 'undefined') {
    navigator.mediaDevices.addEventListener = function() {
      webrtcUtils.log('Dummy mediaDevices.addEventListener called.');
    };
  }
  if (typeof navigator.mediaDevices.removeEventListener === 'undefined') {
    navigator.mediaDevices.removeEventListener = function() {
      webrtcUtils.log('Dummy mediaDevices.removeEventListener called.');
    };
  }

  // Attach a media stream to an element.
  attachMediaStream = function(element, stream) {
    if (webrtcDetectedVersion >= 43) {
      element.srcObject = stream;
    } else if (typeof element.src !== 'undefined') {
      element.src = URL.createObjectURL(stream);
    } else {
      webrtcUtils.log('Error attaching stream to element.');
    }
  };
  reattachMediaStream = function(to, from) {
    if (webrtcDetectedVersion >= 43) {
      to.srcObject = from.srcObject;
    } else {
      to.src = from.src;
    }
  };

} else if (navigator.mediaDevices && navigator.userAgent.match(
    /Edge\/(\d+).(\d+)$/)) {
  webrtcUtils.log('This appears to be Edge');
  webrtcDetectedBrowser = 'edge';

  webrtcDetectedVersion = webrtcUtils.extractVersion(navigator.userAgent,
      /Edge\/(\d+).(\d+)$/, 2);

  // the minimum version still supported by adapter.
  webrtcMinimumVersion = 12;
} else {
  webrtcUtils.log('Browser does not appear to be WebRTC-capable');
}

// Returns the result of getUserMedia as a Promise.
function requestUserMedia(constraints) {
  return new Promise(function(resolve, reject) {
    getUserMedia(constraints, resolve, reject);
  });
}

var webrtcTesting = {};
try {
  Object.defineProperty(webrtcTesting, 'version', {
    set: function(version) {
      webrtcDetectedVersion = version;
    }
  });
} catch (e) {}

if (typeof module !== 'undefined') {
  var RTCPeerConnection;
  if (typeof window !== 'undefined') {
    RTCPeerConnection = window.RTCPeerConnection;
  }
  module.exports = {
    RTCPeerConnection: RTCPeerConnection,
    getUserMedia: getUserMedia,
    attachMediaStream: attachMediaStream,
    reattachMediaStream: reattachMediaStream,
    webrtcDetectedBrowser: webrtcDetectedBrowser,
    webrtcDetectedVersion: webrtcDetectedVersion,
    webrtcMinimumVersion: webrtcMinimumVersion,
    webrtcTesting: webrtcTesting,
    webrtcUtils: webrtcUtils
    //requestUserMedia: not exposed on purpose.
    //trace: not exposed on purpose.
  };
} else if ((typeof require === 'function') && (typeof define === 'function')) {
  // Expose objects and functions when RequireJS is doing the loading.
  define([], function() {
    return {
      RTCPeerConnection: window.RTCPeerConnection,
      getUserMedia: getUserMedia,
      attachMediaStream: attachMediaStream,
      reattachMediaStream: reattachMediaStream,
      webrtcDetectedBrowser: webrtcDetectedBrowser,
      webrtcDetectedVersion: webrtcDetectedVersion,
      webrtcMinimumVersion: webrtcMinimumVersion,
      webrtcTesting: webrtcTesting,
      webrtcUtils: webrtcUtils
      //requestUserMedia: not exposed on purpose.
      //trace: not exposed on purpose.
    };
  });
}

},{}],84:[function(require,module,exports){
arguments[4][53][0].apply(exports,arguments)
},{"dup":53}],85:[function(require,module,exports){
var util = require('util');
var each = require('lodash.foreach');
var pluck = require('lodash.pluck');
var SJJ = require('sdp-jingle-json');
var WildEmitter = require('wildemitter');
var peerconn = require('traceablepeerconnection');
var adapter = require('webrtc-adapter-test');

function PeerConnection(config, constraints) {
    var self = this;
    var item;
    WildEmitter.call(this);

    config = config || {};
    config.iceServers = config.iceServers || [];

    // make sure this only gets enabled in Google Chrome
    // EXPERIMENTAL FLAG, might get removed without notice
    this.enableChromeNativeSimulcast = false;
    if (constraints && constraints.optional &&
            adapter.webrtcDetectedBrowser === 'chrome' &&
            navigator.appVersion.match(/Chromium\//) === null) {
        constraints.optional.forEach(function (constraint) {
            if (constraint.enableChromeNativeSimulcast) {
                self.enableChromeNativeSimulcast = true;
            }
        });
    }

    // EXPERIMENTAL FLAG, might get removed without notice
    this.enableMultiStreamHacks = false;
    if (constraints && constraints.optional &&
            adapter.webrtcDetectedBrowser === 'chrome') {
        constraints.optional.forEach(function (constraint) {
            if (constraint.enableMultiStreamHacks) {
                self.enableMultiStreamHacks = true;
            }
        });
    }
    // EXPERIMENTAL FLAG, might get removed without notice
    this.restrictBandwidth = 0;
    if (constraints && constraints.optional) {
        constraints.optional.forEach(function (constraint) {
            if (constraint.andyetRestrictBandwidth) {
                self.restrictBandwidth = constraint.andyetRestrictBandwidth;
            }
        });
    }

    // EXPERIMENTAL FLAG, might get removed without notice
    // bundle up ice candidates, only works for jingle mode
    // number > 0 is the delay to wait for additional candidates
    // ~20ms seems good
    this.batchIceCandidates = 0;
    if (constraints && constraints.optional) {
        constraints.optional.forEach(function (constraint) {
            if (constraint.andyetBatchIce) {
                self.batchIceCandidates = constraint.andyetBatchIce;
            }
        });
    }
    this.batchedIceCandidates = [];

    // EXPERIMENTAL FLAG, might get removed without notice
    // this attemps to strip out candidates with an already known foundation
    // and type -- i.e. those which are gathered via the same TURN server
    // but different transports (TURN udp, tcp and tls respectively)
    if (constraints && constraints.optional && adapter.webrtcDetectedBrowser === 'chrome') {
        constraints.optional.forEach(function (constraint) {
            if (constraint.andyetFasterICE) {
                self.eliminateDuplicateCandidates = constraint.andyetFasterICE;
            }
        });
    }
    // EXPERIMENTAL FLAG, might get removed without notice
    // when using a server such as the jitsi videobridge we don't need to signal
    // our candidates
    if (constraints && constraints.optional) {
        constraints.optional.forEach(function (constraint) {
            if (constraint.andyetDontSignalCandidates) {
                self.dontSignalCandidates = constraint.andyetDontSignalCandidates;
            }
        });
    }


    // EXPERIMENTAL FLAG, might get removed without notice
    this.assumeSetLocalSuccess = false;
    if (constraints && constraints.optional) {
        constraints.optional.forEach(function (constraint) {
            if (constraint.andyetAssumeSetLocalSuccess) {
                self.assumeSetLocalSuccess = constraint.andyetAssumeSetLocalSuccess;
            }
        });
    }

    // EXPERIMENTAL FLAG, might get removed without notice
    // working around https://bugzilla.mozilla.org/show_bug.cgi?id=1087551
    // pass in a timeout for this
    if (adapter.webrtcDetectedBrowser === 'firefox') {
        if (constraints && constraints.optional) {
            this.wtFirefox = 0;
            constraints.optional.forEach(function (constraint) {
                if (constraint.andyetFirefoxMakesMeSad) {
                    self.wtFirefox = constraint.andyetFirefoxMakesMeSad;
                    if (self.wtFirefox > 0) {
                        self.firefoxcandidatebuffer = [];
                    }
                }
            });
        }
    }


    this.pc = new peerconn(config, constraints);

    this.getLocalStreams = this.pc.getLocalStreams.bind(this.pc);
    this.getRemoteStreams = this.pc.getRemoteStreams.bind(this.pc);
    this.addStream = this.pc.addStream.bind(this.pc);
    this.removeStream = this.pc.removeStream.bind(this.pc);

    // proxy events
    this.pc.on('*', function () {
        self.emit.apply(self, arguments);
    });

    // proxy some events directly
    this.pc.onremovestream = this.emit.bind(this, 'removeStream');
    this.pc.onaddstream = this.emit.bind(this, 'addStream');
    this.pc.onnegotiationneeded = this.emit.bind(this, 'negotiationNeeded');
    this.pc.oniceconnectionstatechange = this.emit.bind(this, 'iceConnectionStateChange');
    this.pc.onsignalingstatechange = this.emit.bind(this, 'signalingStateChange');

    // handle ice candidate and data channel events
    this.pc.onicecandidate = this._onIce.bind(this);
    this.pc.ondatachannel = this._onDataChannel.bind(this);

    this.localDescription = {
        contents: []
    };
    this.remoteDescription = {
        contents: []
    };

    this.config = {
        debug: false,
        ice: {},
        sid: '',
        isInitiator: true,
        sdpSessionID: Date.now(),
        useJingle: false
    };

    // apply our config
    for (item in config) {
        this.config[item] = config[item];
    }

    if (this.config.debug) {
        this.on('*', function () {
            var logger = config.logger || console;
            logger.log('PeerConnection event:', arguments);
        });
    }
    this.hadLocalStunCandidate = false;
    this.hadRemoteStunCandidate = false;
    this.hadLocalRelayCandidate = false;
    this.hadRemoteRelayCandidate = false;

    this.hadLocalIPv6Candidate = false;
    this.hadRemoteIPv6Candidate = false;

    // keeping references for all our data channels
    // so they dont get garbage collected
    // can be removed once the following bugs have been fixed
    // https://crbug.com/405545
    // https://bugzilla.mozilla.org/show_bug.cgi?id=964092
    // to be filed for opera
    this._remoteDataChannels = [];
    this._localDataChannels = [];

    this._candidateBuffer = [];
}

util.inherits(PeerConnection, WildEmitter);

Object.defineProperty(PeerConnection.prototype, 'signalingState', {
    get: function () {
        return this.pc.signalingState;
    }
});
Object.defineProperty(PeerConnection.prototype, 'iceConnectionState', {
    get: function () {
        return this.pc.iceConnectionState;
    }
});

PeerConnection.prototype._role = function () {
    return this.isInitiator ? 'initiator' : 'responder';
};

// Add a stream to the peer connection object
PeerConnection.prototype.addStream = function (stream) {
    this.localStream = stream;
    this.pc.addStream(stream);
};

// helper function to check if a remote candidate is a stun/relay
// candidate or an ipv6 candidate
PeerConnection.prototype._checkLocalCandidate = function (candidate) {
    var cand = SJJ.toCandidateJSON(candidate);
    if (cand.type == 'srflx') {
        this.hadLocalStunCandidate = true;
    } else if (cand.type == 'relay') {
        this.hadLocalRelayCandidate = true;
    }
    if (cand.ip.indexOf(':') != -1) {
        this.hadLocalIPv6Candidate = true;
    }
};

// helper function to check if a remote candidate is a stun/relay
// candidate or an ipv6 candidate
PeerConnection.prototype._checkRemoteCandidate = function (candidate) {
    var cand = SJJ.toCandidateJSON(candidate);
    if (cand.type == 'srflx') {
        this.hadRemoteStunCandidate = true;
    } else if (cand.type == 'relay') {
        this.hadRemoteRelayCandidate = true;
    }
    if (cand.ip.indexOf(':') != -1) {
        this.hadRemoteIPv6Candidate = true;
    }
};


// Init and add ice candidate object with correct constructor
PeerConnection.prototype.processIce = function (update, cb) {
    cb = cb || function () {};
    var self = this;

    // ignore any added ice candidates to avoid errors. why does the
    // spec not do this?
    if (this.pc.signalingState === 'closed') return cb();

    if (update.contents || (update.jingle && update.jingle.contents)) {
        var contentNames = pluck(this.remoteDescription.contents, 'name');
        var contents = update.contents || update.jingle.contents;

        contents.forEach(function (content) {
            var transport = content.transport || {};
            var candidates = transport.candidates || [];
            var mline = contentNames.indexOf(content.name);
            var mid = content.name;

            candidates.forEach(
                function (candidate) {
                var iceCandidate = SJJ.toCandidateSDP(candidate) + '\r\n';
                self.pc.addIceCandidate(
                    new RTCIceCandidate({
                        candidate: iceCandidate,
                        sdpMLineIndex: mline,
                        sdpMid: mid
                    }), function () {
                        // well, this success callback is pretty meaningless
                    },
                    function (err) {
                        self.emit('error', err);
                    }
                );
                self._checkRemoteCandidate(iceCandidate);
            });
        });
    } else {
        // working around https://code.google.com/p/webrtc/issues/detail?id=3669
        if (update.candidate && update.candidate.candidate.indexOf('a=') !== 0) {
            update.candidate.candidate = 'a=' + update.candidate.candidate;
        }

        if (this.wtFirefox && this.firefoxcandidatebuffer !== null) {
            // we cant add this yet due to https://bugzilla.mozilla.org/show_bug.cgi?id=1087551
            if (this.pc.localDescription && this.pc.localDescription.type === 'offer') {
                this.firefoxcandidatebuffer.push(update.candidate);
                return cb();
            }
        }

        self.pc.addIceCandidate(
            new RTCIceCandidate(update.candidate),
            function () { },
            function (err) {
                self.emit('error', err);
            }
        );
        self._checkRemoteCandidate(update.candidate.candidate);
    }
    cb();
};

// Generate and emit an offer with the given constraints
PeerConnection.prototype.offer = function (constraints, cb) {
    var self = this;
    var hasConstraints = arguments.length === 2;
    var mediaConstraints = hasConstraints && constraints ? constraints : {
            mandatory: {
                OfferToReceiveAudio: true,
                OfferToReceiveVideo: true
            }
        };
    cb = hasConstraints ? cb : constraints;
    cb = cb || function () {};

    if (this.pc.signalingState === 'closed') return cb('Already closed');

    // Actually generate the offer
    this.pc.createOffer(
        function (offer) {
            // does not work for jingle, but jingle.js doesn't need
            // this hack...
            var expandedOffer = {
                type: 'offer',
                sdp: offer.sdp
            };
            if (self.assumeSetLocalSuccess) {
                self.emit('offer', expandedOffer);
                cb(null, expandedOffer);
            }
            self._candidateBuffer = [];
            self.pc.setLocalDescription(offer,
                function () {
                    var jingle;
                    if (self.config.useJingle) {
                        jingle = SJJ.toSessionJSON(offer.sdp, {
                            role: self._role(),
                            direction: 'outgoing'
                        });
                        jingle.sid = self.config.sid;
                        self.localDescription = jingle;

                        // Save ICE credentials
                        each(jingle.contents, function (content) {
                            var transport = content.transport || {};
                            if (transport.ufrag) {
                                self.config.ice[content.name] = {
                                    ufrag: transport.ufrag,
                                    pwd: transport.pwd
                                };
                            }
                        });

                        expandedOffer.jingle = jingle;
                    }
                    expandedOffer.sdp.split('\r\n').forEach(function (line) {
                        if (line.indexOf('a=candidate:') === 0) {
                            self._checkLocalCandidate(line);
                        }
                    });

                    if (!self.assumeSetLocalSuccess) {
                        self.emit('offer', expandedOffer);
                        cb(null, expandedOffer);
                    }
                },
                function (err) {
                    self.emit('error', err);
                    cb(err);
                }
            );
        },
        function (err) {
            self.emit('error', err);
            cb(err);
        },
        mediaConstraints
    );
};


// Process an incoming offer so that ICE may proceed before deciding
// to answer the request.
PeerConnection.prototype.handleOffer = function (offer, cb) {
    cb = cb || function () {};
    var self = this;
    offer.type = 'offer';
    if (offer.jingle) {
        if (this.enableChromeNativeSimulcast) {
            offer.jingle.contents.forEach(function (content) {
                if (content.name === 'video') {
                    content.description.googConferenceFlag = true;
                }
            });
        }
        if (this.enableMultiStreamHacks) {
            // add a mixed video stream as first stream
            offer.jingle.contents.forEach(function (content) {
                if (content.name === 'video') {
                    var sources = content.description.sources || [];
                    if (sources.length === 0 || sources[0].ssrc !== "3735928559") {
                        sources.unshift({
                            ssrc: "3735928559", // 0xdeadbeef
                            parameters: [
                                {
                                    key: "cname",
                                    value: "deadbeef"
                                },
                                {
                                    key: "msid",
                                    value: "mixyourfecintothis please"
                                }
                            ]
                        });
                        content.description.sources = sources;
                    }
                }
            });
        }
        if (self.restrictBandwidth > 0) {
            if (offer.jingle.contents.length >= 2 && offer.jingle.contents[1].name === 'video') {
                var content = offer.jingle.contents[1];
                var hasBw = content.description && content.description.bandwidth;
                if (!hasBw) {
                    offer.jingle.contents[1].description.bandwidth = { type: 'AS', bandwidth: self.restrictBandwidth.toString() };
                    offer.sdp = SJJ.toSessionSDP(offer.jingle, {
                        sid: self.config.sdpSessionID,
                        role: self._role(),
                        direction: 'outgoing'
                    });
                }
            }
        }
        offer.sdp = SJJ.toSessionSDP(offer.jingle, {
            sid: self.config.sdpSessionID,
            role: self._role(),
            direction: 'incoming'
        });
        self.remoteDescription = offer.jingle;
    }
    offer.sdp.split('\r\n').forEach(function (line) {
        if (line.indexOf('a=candidate:') === 0) {
            self._checkRemoteCandidate(line);
        }
    });
    self.pc.setRemoteDescription(new RTCSessionDescription(offer),
        function () {
            cb();
        },
        cb
    );
};

// Answer an offer with audio only
PeerConnection.prototype.answerAudioOnly = function (cb) {
    var mediaConstraints = {
            mandatory: {
                OfferToReceiveAudio: true,
                OfferToReceiveVideo: false
            }
        };
    this._answer(mediaConstraints, cb);
};

// Answer an offer without offering to recieve
PeerConnection.prototype.answerBroadcastOnly = function (cb) {
    var mediaConstraints = {
            mandatory: {
                OfferToReceiveAudio: false,
                OfferToReceiveVideo: false
            }
        };
    this._answer(mediaConstraints, cb);
};

// Answer an offer with given constraints default is audio/video
PeerConnection.prototype.answer = function (constraints, cb) {
    var hasConstraints = arguments.length === 2;
    var callback = hasConstraints ? cb : constraints;
    var mediaConstraints = hasConstraints && constraints ? constraints : {
            mandatory: {
                OfferToReceiveAudio: true,
                OfferToReceiveVideo: true
            }
        };

    this._answer(mediaConstraints, callback);
};

// Process an answer
PeerConnection.prototype.handleAnswer = function (answer, cb) {
    cb = cb || function () {};
    var self = this;
    if (answer.jingle) {
        answer.sdp = SJJ.toSessionSDP(answer.jingle, {
            sid: self.config.sdpSessionID,
            role: self._role(),
            direction: 'incoming'
        });
        self.remoteDescription = answer.jingle;
    }
    answer.sdp.split('\r\n').forEach(function (line) {
        if (line.indexOf('a=candidate:') === 0) {
            self._checkRemoteCandidate(line);
        }
    });
    self.pc.setRemoteDescription(
        new RTCSessionDescription(answer),
        function () {
            if (self.wtFirefox) {
                window.setTimeout(function () {
                    self.firefoxcandidatebuffer.forEach(function (candidate) {
                        // add candidates later
                        self.pc.addIceCandidate(
                            new RTCIceCandidate(candidate),
                            function () { },
                            function (err) {
                                self.emit('error', err);
                            }
                        );
                        self._checkRemoteCandidate(candidate.candidate);
                    });
                    self.firefoxcandidatebuffer = null;
                }, self.wtFirefox);
            }
            cb(null);
        },
        cb
    );
};

// Close the peer connection
PeerConnection.prototype.close = function () {
    this.pc.close();

    this._localDataChannels = [];
    this._remoteDataChannels = [];

    this.emit('close');
};

// Internal code sharing for various types of answer methods
PeerConnection.prototype._answer = function (constraints, cb) {
    cb = cb || function () {};
    var self = this;
    if (!this.pc.remoteDescription) {
        // the old API is used, call handleOffer
        throw new Error('remoteDescription not set');
    }

    if (this.pc.signalingState === 'closed') return cb('Already closed');

    self.pc.createAnswer(
        function (answer) {
            var sim = [];
            if (self.enableChromeNativeSimulcast) {
                // native simulcast part 1: add another SSRC
                answer.jingle = SJJ.toSessionJSON(answer.sdp, {
                    role: self._role(),
                    direction: 'outgoing'
                });
                if (answer.jingle.contents.length >= 2 && answer.jingle.contents[1].name === 'video') {
                    var groups = answer.jingle.contents[1].description.sourceGroups || [];
                    var hasSim = false;
                    groups.forEach(function (group) {
                        if (group.semantics == 'SIM') hasSim = true;
                    });
                    if (!hasSim &&
                        answer.jingle.contents[1].description.sources.length) {
                        var newssrc = JSON.parse(JSON.stringify(answer.jingle.contents[1].description.sources[0]));
                        newssrc.ssrc = '' + Math.floor(Math.random() * 0xffffffff); // FIXME: look for conflicts
                        answer.jingle.contents[1].description.sources.push(newssrc);

                        sim.push(answer.jingle.contents[1].description.sources[0].ssrc);
                        sim.push(newssrc.ssrc);
                        groups.push({
                            semantics: 'SIM',
                            sources: sim
                        });

                        // also create an RTX one for the SIM one
                        var rtxssrc = JSON.parse(JSON.stringify(newssrc));
                        rtxssrc.ssrc = '' + Math.floor(Math.random() * 0xffffffff); // FIXME: look for conflicts
                        answer.jingle.contents[1].description.sources.push(rtxssrc);
                        groups.push({
                            semantics: 'FID',
                            sources: [newssrc.ssrc, rtxssrc.ssrc]
                        });

                        answer.jingle.contents[1].description.sourceGroups = groups;
                        answer.sdp = SJJ.toSessionSDP(answer.jingle, {
                            sid: self.config.sdpSessionID,
                            role: self._role(),
                            direction: 'outgoing'
                        });
                    }
                }
            }
            var expandedAnswer = {
                type: 'answer',
                sdp: answer.sdp
            };
            if (self.assumeSetLocalSuccess) {
                // not safe to do when doing simulcast mangling
                self.emit('answer', expandedAnswer);
                cb(null, expandedAnswer);
            }
            self._candidateBuffer = [];
            self.pc.setLocalDescription(answer,
                function () {
                    if (self.config.useJingle) {
                        var jingle = SJJ.toSessionJSON(answer.sdp, {
                            role: self._role(),
                            direction: 'outgoing'
                        });
                        jingle.sid = self.config.sid;
                        self.localDescription = jingle;
                        expandedAnswer.jingle = jingle;
                    }
                    if (self.enableChromeNativeSimulcast) {
                        // native simulcast part 2:
                        // signal multiple tracks to the receiver
                        // for anything in the SIM group
                        if (!expandedAnswer.jingle) {
                            expandedAnswer.jingle = SJJ.toSessionJSON(answer.sdp, {
                                role: self._role(),
                                direction: 'outgoing'
                            });
                        }
                        expandedAnswer.jingle.contents[1].description.sources.forEach(function (source, idx) {
                            // the floor idx/2 is a hack that relies on a particular order
                            // of groups, alternating between sim and rtx
                            source.parameters = source.parameters.map(function (parameter) {
                                if (parameter.key === 'msid') {
                                    parameter.value += '-' + Math.floor(idx / 2);
                                }
                                return parameter;
                            });
                        });
                        expandedAnswer.sdp = SJJ.toSessionSDP(expandedAnswer.jingle, {
                            sid: self.sdpSessionID,
                            role: self._role(),
                            direction: 'outgoing'
                        });
                    }
                    expandedAnswer.sdp.split('\r\n').forEach(function (line) {
                        if (line.indexOf('a=candidate:') === 0) {
                            self._checkLocalCandidate(line);
                        }
                    });
                    if (!self.assumeSetLocalSuccess) {
                        self.emit('answer', expandedAnswer);
                        cb(null, expandedAnswer);
                    }
                },
                function (err) {
                    self.emit('error', err);
                    cb(err);
                }
            );
        },
        function (err) {
            self.emit('error', err);
            cb(err);
        },
        constraints
    );
};

// Internal method for emitting ice candidates on our peer object
PeerConnection.prototype._onIce = function (event) {
    var self = this;
    if (event.candidate) {
        if (this.dontSignalCandidates) return;
        var ice = event.candidate;

        var expandedCandidate = {
            candidate: {
                candidate: ice.candidate,
                sdpMid: ice.sdpMid,
                sdpMLineIndex: ice.sdpMLineIndex
            }
        };
        this._checkLocalCandidate(ice.candidate);

        var cand = SJJ.toCandidateJSON(ice.candidate);

        var already;
        var idx;
        if (this.eliminateDuplicateCandidates && cand.type === 'relay') {
            // drop candidates with same foundation, component
            // take local type pref into account so we don't ignore udp
            // ones when we know about a TCP one. unlikely but...
            already = this._candidateBuffer.filter(
                function (c) {
                    return c.type === 'relay';
                }).map(function (c) {
                    return c.foundation + ':' + c.component;
                }
            );
            idx = already.indexOf(cand.foundation + ':' + cand.component);
            // remember: local type pref of udp is 0, tcp 1, tls 2
            if (idx > -1 && ((cand.priority >> 24) >= (already[idx].priority >> 24))) {
                // drop it, same foundation with higher (worse) type pref
                return;
            }
        }
        if (this.config.bundlePolicy === 'max-bundle') {
            // drop candidates which are duplicate for audio/video/data
            // duplicate means same host/port but different sdpMid
            already = this._candidateBuffer.filter(
                function (c) {
                    return cand.type === c.type;
                }).map(function (cand) {
                    return cand.address + ':' + cand.port;
                }
            );
            idx = already.indexOf(cand.address + ':' + cand.port);
            if (idx > -1) return;
        }
        // also drop rtcp candidates since we know the peer supports RTCP-MUX
        // this is a workaround until browsers implement this natively
        if (this.config.rtcpMuxPolicy === 'require' && cand.component === '2') {
            return;
        }
        this._candidateBuffer.push(cand);

        if (self.config.useJingle) {
            if (!ice.sdpMid) { // firefox doesn't set this
                if (self.pc.remoteDescription && self.pc.remoteDescription.type === 'offer') {
                    // preserve name from remote
                    ice.sdpMid = self.remoteDescription.contents[ice.sdpMLineIndex].name;
                } else {
                    ice.sdpMid = self.localDescription.contents[ice.sdpMLineIndex].name;
                }
            }
            if (!self.config.ice[ice.sdpMid]) {
                var jingle = SJJ.toSessionJSON(self.pc.localDescription.sdp, {
                    role: self._role(),
                    direction: 'outgoing'
                });
                each(jingle.contents, function (content) {
                    var transport = content.transport || {};
                    if (transport.ufrag) {
                        self.config.ice[content.name] = {
                            ufrag: transport.ufrag,
                            pwd: transport.pwd
                        };
                    }
                });
            }
            expandedCandidate.jingle = {
                contents: [{
                    name: ice.sdpMid,
                    creator: self._role(),
                    transport: {
                        transType: 'iceUdp',
                        ufrag: self.config.ice[ice.sdpMid].ufrag,
                        pwd: self.config.ice[ice.sdpMid].pwd,
                        candidates: [
                            cand
                        ]
                    }
                }]
            };
            if (self.batchIceCandidates > 0) {
                if (self.batchedIceCandidates.length === 0) {
                    window.setTimeout(function () {
                        var contents = {};
                        self.batchedIceCandidates.forEach(function (content) {
                            content = content.contents[0];
                            if (!contents[content.name]) contents[content.name] = content;
                            contents[content.name].transport.candidates.push(content.transport.candidates[0]);
                        });
                        var newCand = {
                            jingle: {
                                contents: []
                            }
                        };
                        Object.keys(contents).forEach(function (name) {
                            newCand.jingle.contents.push(contents[name]);
                        });
                        self.batchedIceCandidates = [];
                        self.emit('ice', newCand);
                    }, self.batchIceCandidates);
                }
                self.batchedIceCandidates.push(expandedCandidate.jingle);
                return;
            }

        }
        this.emit('ice', expandedCandidate);
    } else {
        this.emit('endOfCandidates');
    }
};

// Internal method for processing a new data channel being added by the
// other peer.
PeerConnection.prototype._onDataChannel = function (event) {
    // make sure we keep a reference so this doesn't get garbage collected
    var channel = event.channel;
    this._remoteDataChannels.push(channel);

    this.emit('addChannel', channel);
};

// Create a data channel spec reference:
// http://dev.w3.org/2011/webrtc/editor/webrtc.html#idl-def-RTCDataChannelInit
PeerConnection.prototype.createDataChannel = function (name, opts) {
    var channel = this.pc.createDataChannel(name, opts);

    // make sure we keep a reference so this doesn't get garbage collected
    this._localDataChannels.push(channel);

    return channel;
};

// a wrapper around getStats which hides the differences (where possible)
// TODO: remove in favor of adapter.js shim
PeerConnection.prototype.getStats = function (cb) {
    if (adapter.webrtcDetectedBrowser === 'firefox') {
        this.pc.getStats(
            function (res) {
                var items = [];
                for (var result in res) {
                    if (typeof res[result] === 'object') {
                        items.push(res[result]);
                    }
                }
                cb(null, items);
            },
            cb
        );
    } else {
        this.pc.getStats(function (res) {
            var items = [];
            res.result().forEach(function (result) {
                var item = {};
                result.names().forEach(function (name) {
                    item[name] = result.stat(name);
                });
                item.id = result.id;
                item.type = result.type;
                item.timestamp = result.timestamp;
                items.push(item);
            });
            cb(null, items);
        });
    }
};

module.exports = PeerConnection;

},{"lodash.foreach":54,"lodash.pluck":62,"sdp-jingle-json":77,"traceablepeerconnection":82,"util":28,"webrtc-adapter-test":83,"wildemitter":84}],86:[function(require,module,exports){
var util = require('util');
var extend = require('extend-object');
var BaseSession = require('jingle-session');
var RTCPeerConnection = require('rtcpeerconnection');


function filterContentSources(content, stream) {
    if (content.description.descType !== 'rtp') {
        return;
    }
    delete content.transport;
    delete content.description.payloads;
    delete content.description.headerExtensions;
    content.description.mux = false;

    if (content.description.sources) {
        content.description.sources = content.description.sources.filter(function (source) {
            return stream.id === source.parameters[1].value.split(' ')[0];
        });
    }
    // remove source groups not related to this stream
    if (content.description.sourceGroups) {
        content.description.sourceGroups = content.description.sourceGroups.filter(function (group) {
            var found = false;
            for (var i = 0; i < content.description.sources.length; i++) {
                if (content.description.sources[i].ssrc === group.sources[0]) {
                    found = true;
                    break;
                }
            }
            return found;
        });
    }
}

function filterUnusedLabels(content) {
    // Remove mslabel and label ssrc-specific attributes
    var sources = content.description.sources || [];
    sources.forEach(function (source) {
        source.parameters = source.parameters.filter(function (parameter) {
            return !(parameter.key === 'mslabel' || parameter.key === 'label');
        });
    });
}


function MediaSession(opts) {
    BaseSession.call(this, opts);

    this.pc = new RTCPeerConnection({
        iceServers: opts.iceServers || [],
        useJingle: true
    }, opts.constraints || {});

    this.pc.on('ice', this.onIceCandidate.bind(this));
    this.pc.on('endOfCandidates', this.onIceEndOfCandidates.bind(this));
    this.pc.on('iceConnectionStateChange', this.onIceStateChange.bind(this));
    this.pc.on('addStream', this.onAddStream.bind(this));
    this.pc.on('removeStream', this.onRemoveStream.bind(this));

    if (opts.stream) {
        this.addStream(opts.stream);
    }

    this._ringing = false;
}


util.inherits(MediaSession, BaseSession);


Object.defineProperties(MediaSession.prototype, {
    ringing: {
        get: function () {
            return this._ringing;
        },
        set: function (value) {
            if (value !== this._ringing) {
                this._ringing = value;
                this.emit('change:ringing', value);
            }
        }
    },
    streams: {
        get: function () {
            if (this.pc.signalingState !== 'closed') {
                return this.pc.getRemoteStreams();
            }
            return [];
        }
    }
});


MediaSession.prototype = extend(MediaSession.prototype, {

    // ----------------------------------------------------------------
    // Session control methods
    // ----------------------------------------------------------------

    start: function (offerOptions, next) {
        var self = this;
        this.state = 'pending';

        next = next || function () {};

        this.pc.isInitiator = true;
        this.pc.offer(offerOptions, function (err, offer) {
            if (err) {
                self._log('error', 'Could not create WebRTC offer', err);
                return self.end('failed-application', true);
            }

            // a workaround for missing a=sendonly
            // https://code.google.com/p/webrtc/issues/detail?id=1553
            if (offerOptions && offerOptions.mandatory) {
                offer.jingle.contents.forEach(function (content) {
                    var mediaType = content.description.media;

                    if (!content.description || content.description.descType !== 'rtp') {
                        return;
                    }

                    if (!offerOptions.mandatory.OfferToReceiveAudio && mediaType === 'audio') {
                        content.senders = 'initiator';
                    }

                    if (!offerOptions.mandatory.OfferToReceiveVideo && mediaType === 'video') {
                        content.senders = 'initiator';
                    }
                });
            }

            offer.jingle.contents.forEach(filterUnusedLabels);

            self.send('session-initiate', offer.jingle);

            next();
        });
    },

    accept: function (next) {
        var self = this;

        next = next || function () {};

        this._log('info', 'Accepted incoming session');

        this.state = 'active';

        this.pc.answer(function (err, answer) {
            if (err) {
                self._log('error', 'Could not create WebRTC answer', err);
                return self.end('failed-application');
            }

            answer.jingle.contents.forEach(filterUnusedLabels);

            self.send('session-accept', answer.jingle);

            next();
        });
    },

    end: function (reason, silent) {
        var self = this;
        this.streams.forEach(function (stream) {
            self.onRemoveStream({stream: stream});
        });
        this.pc.close();
        BaseSession.prototype.end.call(this, reason, silent);
    },

    ring: function () {
        this._log('info', 'Ringing on incoming session');
        this.ringing = true;
        this.send('session-info', {ringing: true});
    },

    mute: function (creator, name) {
        this._log('info', 'Muting', name);

        this.send('session-info', {
            mute: {
                creator: creator,
                name: name
            }
        });
    },

    unmute: function (creator, name) {
        this._log('info', 'Unmuting', name);
        this.send('session-info', {
            unmute: {
                creator: creator,
                name: name
            }
        });
    },

    hold: function () {
        this._log('info', 'Placing on hold');
        this.send('session-info', {hold: true});
    },

    resume: function () {
        this._log('info', 'Resuming from hold');
        this.send('session-info', {active: true});
    },

    // ----------------------------------------------------------------
    // Stream control methods
    // ----------------------------------------------------------------

    addStream: function (stream, renegotiate, cb) {
        var self = this;

        cb = cb || function () {};

        this.pc.addStream(stream);

        if (!renegotiate) {
            return;
        }

        this.pc.handleOffer({
            type: 'offer',
            jingle: this.pc.remoteDescription
        }, function (err) {
            if (err) {
                self._log('error', 'Could not create offer for adding new stream');
                return cb(err);
            }
            self.pc.answer(function (err, answer) {
                if (err) {
                    self._log('error', 'Could not create answer for adding new stream');
                    return cb(err);
                }
                answer.jingle.contents.forEach(function (content) {
                    filterContentSources(content, stream);
                });
                answer.jingle.contents = answer.jingle.contents.filter(function (content) {
                    return content.description.descType === 'rtp' && content.description.sources && content.description.sources.length;
                });
                delete answer.jingle.groups;

                self.send('source-add', answer.jingle);
                cb();
            });
        });
    },

    addStream2: function (stream, cb) {
        this.addStream(stream, true, cb);
    },

    removeStream: function (stream, renegotiate, cb) {
        var self = this;

        cb = cb || function () {};

        if (!renegotiate) {
            this.pc.removeStream(stream);
            return;
        }

        var desc = this.pc.localDescription;
        desc.contents.forEach(function (content) {
            filterContentSources(content, stream);
        });
        desc.contents = desc.contents.filter(function (content) {
            return content.description.descType === 'rtp' && content.description.sources && content.description.sources.length;
        });
        delete desc.groups;

        this.send('source-remove', desc);
        this.pc.removeStream(stream);

        this.pc.handleOffer({
            type: 'offer',
            jingle: this.pc.remoteDescription
        }, function (err) {
            if (err) {
                self._log('error', 'Could not process offer for removing stream');
                return cb(err);
            }
            self.pc.answer(function (err) {
                if (err) {
                    self._log('error', 'Could not process answer for removing stream');
                    return cb(err);
                }
                cb();
            });
        });
    },

    removeStream2: function (stream, cb) {
        this.removeStream(stream, true, cb);
    },

    switchStream: function (oldStream, newStream, cb) {
        var self = this;

        cb = cb || function () {};

        var desc = this.pc.localDescription;
        desc.contents.forEach(function (content) {
            delete content.transport;
            delete content.description.payloads;
        });

        this.pc.removeStream(oldStream);
        this.send('source-remove', desc);

        var audioTracks = oldStream.getAudioTracks();
        if (audioTracks.length) {
            newStream.addTrack(audioTracks[0]);
        }

        this.pc.addStream(newStream);
        this.pc.handleOffer({
            type: 'offer',
            jingle: this.pc.remoteDescription
        }, function (err) {
            if (err) {
                self._log('error', 'Could not process offer for switching streams');
                return cb(err);
            }
            self.pc.answer(function (err, answer) {
                if (err) {
                    self._log('error', 'Could not process answer for switching streams');
                    return cb(err);
                }
                answer.jingle.contents.forEach(function (content) {
                    delete content.transport;
                    delete content.description.payloads;
                });
                self.send('source-add', answer.jingle);
                cb();
            });
        });
    },

    // ----------------------------------------------------------------
    // ICE action handers
    // ----------------------------------------------------------------

    onIceCandidate: function (candidate) {
        this._log('info', 'Discovered new ICE candidate', candidate.jingle);
        this.send('transport-info', candidate.jingle);
    },

    onIceEndOfCandidates: function () {
        this._log('info', 'ICE end of candidates');
    },

    onIceStateChange: function () {
        switch (this.pc.iceConnectionState) {
            case 'checking':
                this.connectionState = 'connecting';
                break;
            case 'completed':
            case 'connected':
                this.connectionState = 'connected';
                break;
            case 'disconnected':
                if (this.pc.signalingState === 'stable') {
                    this.connectionState = 'interrupted';
                } else {
                    this.connectionState = 'disconnected';
                }
                break;
            case 'failed':
                this.connectionState = 'failed';
                this.end('failed-transport');
                break;
            case 'closed':
                this.connectionState = 'disconnected';
                break;
        }
    },

    // ----------------------------------------------------------------
    // Stream event handlers
    // ----------------------------------------------------------------

    onAddStream: function (event) {
        this._log('info', 'Stream added');
        this.emit('peerStreamAdded', this, event.stream);
    },

    onRemoveStream: function (event) {
        this._log('info', 'Stream removed');
        this.emit('peerStreamRemoved', this, event.stream);
    },

    // ----------------------------------------------------------------
    // Jingle action handers
    // ----------------------------------------------------------------

    onSessionInitiate: function (changes, cb) {
        var self = this;

        this._log('info', 'Initiating incoming session');

        this.state = 'pending';

        this.pc.isInitiator = false;
        this.pc.handleOffer({
            type: 'offer',
            jingle: changes
        }, function (err) {
            if (err) {
                self._log('error', 'Could not create WebRTC answer');
                return cb({condition: 'general-error'});
            }
            cb();
        });
    },

    onSessionAccept: function (changes, cb) {
        var self = this;

        this.state = 'active';
        this.pc.handleAnswer({
            type: 'answer',
            jingle: changes
        }, function (err) {
            if (err) {
                self._log('error', 'Could not process WebRTC answer');
                return cb({condition: 'general-error'});
            }
            self.emit('accepted', self);
            cb();
        });
    },

    onSessionTerminate: function (changes, cb) {
        var self = this;

        this._log('info', 'Terminating session');
        this.streams.forEach(function (stream) {
            self.onRemoveStream({stream: stream});
        });
        this.pc.close();
        BaseSession.prototype.end.call(this, changes.reason, true);

        cb();
    },

    onSessionInfo: function (info, cb) {
        if (info.ringing) {
            this._log('info', 'Outgoing session is ringing');
            this.ringing = true;
            this.emit('ringing', this);
            return cb();
        }

        if (info.hold) {
            this._log('info', 'On hold');
            this.emit('hold', this);
            return cb();
        }

        if (info.active) {
            this._log('info', 'Resuming from hold');
            this.emit('resumed', this);
            return cb();
        }

        if (info.mute) {
            this._log('info', 'Muting', info.mute);
            this.emit('mute', this, info.mute);
            return cb();
        }

        if (info.unmute) {
            this._log('info', 'Unmuting', info.unmute);
            this.emit('unmute', this, info.unmute);
            return cb();
        }

        cb();
    },

    onTransportInfo: function (changes, cb) {
        this.pc.processIce(changes, function () {
            cb();
        });
    },

    onSourceAdd: function (changes, cb) {
        var self = this;
        this._log('info', 'Adding new stream source');

        var newDesc = this.pc.remoteDescription;
        this.pc.remoteDescription.contents.forEach(function (content, idx) {
            var desc = content.description;
            var ssrcs = desc.sources || [];
            var groups = desc.sourceGroups || [];

            changes.contents.forEach(function (newContent) {
                if (content.name !== newContent.name) {
                    return;
                }

                var newContentDesc = newContent.description;
                var newSSRCs = newContentDesc.sources || [];

                ssrcs = ssrcs.concat(newSSRCs);
                newDesc.contents[idx].description.sources = JSON.parse(JSON.stringify(ssrcs));

                var newGroups = newContentDesc.sourceGroups || [];
                groups = groups.concat(newGroups);
                newDesc.contents[idx].description.sourceGroups = JSON.parse(JSON.stringify(groups));
            });
        });

        this.pc.handleOffer({
            type: 'offer',
            jingle: newDesc
        }, function (err) {
            if (err) {
                self._log('error', 'Error adding new stream source');
                return cb({
                    condition: 'general-error'
                });
            }

            self.pc.answer(function (err) {
                if (err) {
                    self._log('error', 'Error adding new stream source');
                    return cb({
                        condition: 'general-error'
                    });
                }
                cb();
            });
        });
    },

    onSourceRemove: function (changes, cb) {
        var self = this;
        this._log('info', 'Removing stream source');

        var newDesc = this.pc.remoteDescription;
        this.pc.remoteDescription.contents.forEach(function (content, idx) {
            var desc = content.description;
            var ssrcs = desc.sources || [];
            var groups = desc.sourceGroups || [];

            changes.contents.forEach(function (newContent) {
                if (content.name !== newContent.name) {
                    return;
                }

                var newContentDesc = newContent.description;
                var newSSRCs = newContentDesc.sources || [];
                var newGroups = newContentDesc.sourceGroups || [];

                var found, i, j, k;


                for (i = 0; i < newSSRCs.length; i++) {
                    found = -1;
                    for (j = 0; j < ssrcs.length; j++) {
                        if (newSSRCs[i].ssrc === ssrcs[j].ssrc) {
                            found = j;
                            break;
                        }
                    }
                    if (found > -1) {
                        ssrcs.splice(found, 1);
                        newDesc.contents[idx].description.sources = JSON.parse(JSON.stringify(ssrcs));
                    }
                }

                // Remove ssrc-groups that are no longer needed
                for (i = 0; i < newGroups.length; i++) {
                    found = -1;
                    for (j = 0; j < groups.length; j++) {
                        if (newGroups[i].semantics === groups[j].semantics &&
                            newGroups[i].sources.length === groups[j].sources.length) {
                            var same = true;
                            for (k = 0; k < newGroups[i].sources.length; k++) {
                                if (newGroups[i].sources[k] !== groups[j].sources[k]) {
                                    same = false;
                                    break;
                                }
                            }
                            if (same) {
                                found = j;
                                break;
                            }
                        }
                    }
                    if (found > -1) {
                        groups.splice(found, 1);
                        newDesc.contents[idx].description.sourceGroups = JSON.parse(JSON.stringify(groups));
                    }
                }
            });
        });

        this.pc.handleOffer({
            type: 'offer',
            jingle: newDesc
        }, function (err) {
            if (err) {
                self._log('error', 'Error removing stream source');
                return cb({
                    condition: 'general-error'
                });
            }
            self.pc.answer(function (err) {
                if (err) {
                    self._log('error', 'Error removing stream source');
                    return cb({
                        condition: 'general-error'
                    });
                }
                cb();
            });
        });
    }
});


module.exports = MediaSession;

},{"extend-object":30,"jingle-session":118,"rtcpeerconnection":117,"util":28}],87:[function(require,module,exports){
arguments[4][54][0].apply(exports,arguments)
},{"dup":54,"lodash._arrayeach":88,"lodash._baseeach":89,"lodash._bindcallback":93,"lodash.isarray":94}],88:[function(require,module,exports){
arguments[4][55][0].apply(exports,arguments)
},{"dup":55}],89:[function(require,module,exports){
arguments[4][56][0].apply(exports,arguments)
},{"dup":56,"lodash.keys":90}],90:[function(require,module,exports){
arguments[4][57][0].apply(exports,arguments)
},{"dup":57,"lodash._getnative":91,"lodash.isarguments":92,"lodash.isarray":94}],91:[function(require,module,exports){
arguments[4][58][0].apply(exports,arguments)
},{"dup":58}],92:[function(require,module,exports){
arguments[4][59][0].apply(exports,arguments)
},{"dup":59}],93:[function(require,module,exports){
arguments[4][60][0].apply(exports,arguments)
},{"dup":60}],94:[function(require,module,exports){
arguments[4][61][0].apply(exports,arguments)
},{"dup":61}],95:[function(require,module,exports){
arguments[4][62][0].apply(exports,arguments)
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arguments[4][63][0].apply(exports,arguments)
},{"dup":63}],97:[function(require,module,exports){
arguments[4][64][0].apply(exports,arguments)
},{"dup":64,"lodash.isarray":98}],98:[function(require,module,exports){
arguments[4][61][0].apply(exports,arguments)
},{"dup":61}],99:[function(require,module,exports){
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},{"dup":66,"lodash._arraymap":100,"lodash._basecallback":101,"lodash._baseeach":106,"lodash.isarray":98}],100:[function(require,module,exports){
arguments[4][67][0].apply(exports,arguments)
},{"dup":67}],101:[function(require,module,exports){
arguments[4][68][0].apply(exports,arguments)
},{"dup":68,"lodash._baseisequal":102,"lodash._bindcallback":104,"lodash.isarray":98,"lodash.pairs":105}],102:[function(require,module,exports){
arguments[4][69][0].apply(exports,arguments)
},{"dup":69,"lodash.isarray":98,"lodash.istypedarray":103,"lodash.keys":107}],103:[function(require,module,exports){
arguments[4][70][0].apply(exports,arguments)
},{"dup":70}],104:[function(require,module,exports){
arguments[4][60][0].apply(exports,arguments)
},{"dup":60}],105:[function(require,module,exports){
arguments[4][72][0].apply(exports,arguments)
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arguments[4][56][0].apply(exports,arguments)
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arguments[4][57][0].apply(exports,arguments)
},{"dup":57,"lodash._getnative":108,"lodash.isarguments":109,"lodash.isarray":98}],108:[function(require,module,exports){
arguments[4][58][0].apply(exports,arguments)
},{"dup":58}],109:[function(require,module,exports){
arguments[4][59][0].apply(exports,arguments)
},{"dup":59}],110:[function(require,module,exports){
arguments[4][77][0].apply(exports,arguments)
},{"./lib/tojson":113,"./lib/tosdp":114,"dup":77}],111:[function(require,module,exports){
arguments[4][78][0].apply(exports,arguments)
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arguments[4][79][0].apply(exports,arguments)
},{"dup":79}],113:[function(require,module,exports){
arguments[4][80][0].apply(exports,arguments)
},{"./parsers":111,"./senders":112,"dup":80}],114:[function(require,module,exports){
arguments[4][81][0].apply(exports,arguments)
},{"./senders":112,"dup":81}],115:[function(require,module,exports){
arguments[4][82][0].apply(exports,arguments)
},{"dup":82,"util":28,"webrtc-adapter-test":116,"wildemitter":124}],116:[function(require,module,exports){
arguments[4][83][0].apply(exports,arguments)
},{"dup":83}],117:[function(require,module,exports){
arguments[4][85][0].apply(exports,arguments)
},{"dup":85,"lodash.foreach":87,"lodash.pluck":95,"sdp-jingle-json":110,"traceablepeerconnection":115,"util":28,"webrtc-adapter-test":116,"wildemitter":124}],118:[function(require,module,exports){
var util = require('util');
var uuid = require('uuid');
var async = require('async');
var extend = require('extend-object');
var WildEmitter = require('wildemitter');


var ACTIONS = {
    'content-accept': 'onContentAccept',
    'content-add': 'onContentAdd',
    'content-modify': 'onConentModify',
    'content-reject': 'onContentReject',
    'content-remove': 'onContentRemove',
    'description-info': 'onDescriptionInfo',
    'security-info': 'onSecurityInfo',
    'session-accept': 'onSessionAccept',
    'session-info': 'onSessionInfo',
    'session-initiate': 'onSessionInitiate',
    'session-terminate': 'onSessionTerminate',
    'transport-accept': 'onTransportAccept',
    'transport-info': 'onTransportInfo',
    'transport-reject': 'onTransportReject',
    'transport-replace': 'onTransportReplace',

    // Unstandardized actions: might go away anytime without notice
    'source-add': 'onSourceAdd',
    'source-remove': 'onSourceRemove'
};


function JingleSession(opts) {
    WildEmitter.call(this);

    var self = this;

    this.sid = opts.sid || uuid.v4();
    this.peer = opts.peer;
    this.peerID = opts.peerID || this.peer.full || this.peer;
    this.isInitiator = opts.initiator || false;
    this.parent = opts.parent;
    this.state = 'starting';
    this.connectionState = 'starting';

    // We track the intial pending description types in case
    // of the need for a tie-breaker.
    this.pendingDescriptionTypes = opts.descriptionTypes || [];

    this.pendingAction = false;

    // Here is where we'll ensure that all actions are processed
    // in order, even if a particular action requires async handling.
    this.processingQueue = async.queue(function (task, next) {
        if (self.ended) {
            // Don't process anything once the session has been ended
            return next();
        }

        var action = task.action;
        var changes = task.changes;
        var cb = task.cb;

        self._log('debug', action);

        if (!ACTIONS[action]) {
            self._log('error', 'Invalid action: ' + action);
            cb({condition: 'bad-request'});
            return next();
        }

        self[ACTIONS[action]](changes, function (err, result) {
            cb(err, result);
            return next();
        });
    });
}


util.inherits(JingleSession, WildEmitter);

// We don't know how to handle any particular content types,
// so no actions are supported.
Object.keys(ACTIONS).forEach(function (action) {
    var method = ACTIONS[action];
    JingleSession.prototype[method] = function (changes, cb) {
        this._log('error', 'Unsupported action: ' + action);
        cb();
    };
});

// Provide some convenience properties for checking
// the session's state.
Object.defineProperties(JingleSession.prototype, {
    state: {
        get: function () {
            return this._sessionState;
        },
        set: function (value) {
            if (value !== this._sessionState) {
                var prev = this._sessionState;
                this._log('info', 'Changing session state to: ' + value);
                this._sessionState = value;
                this.emit('change:sessionState', this, value);
                this.emit('change:' + value, this, true);
                if (prev) {
                    this.emit('change:' + prev, this, false);
                }
            }
        }
    },
    connectionState: {
        get: function () {
            return this._connectionState;
        },
        set: function (value) {
            if (value !== this._connectionState) {
                var prev = this._connectionState;
                this._log('info', 'Changing connection state to: ' + value);
                this._connectionState = value;
                this.emit('change:connectionState', this, value);
                this.emit('change:' + value, this, true);
                if (prev) {
                    this.emit('change:' + prev, this, false);
                }
            }
        }
    },
    starting: {
        get: function () {
            return this._sessionState === 'starting';
        }
    },
    pending: {
        get: function () {
            return this._sessionState === 'pending';
        }
    },
    active: {
        get: function () {
            return this._sessionState === 'active';
        }
    },
    ended: {
        get: function () {
            return this._sessionState === 'ended';
        }
    },
    connected: {
        get: function () {
            return this._connectionState === 'connected';
        }
    },
    connecting: {
        get: function () {
            return this._connectionState === 'connecting';
        }
    },
    disconnected: {
        get: function () {
            return this._connectionState === 'disconnected';
        }
    },
    interrupted: {
        get: function () {
            return this._connectionState === 'interrupted';
        }
    }
});

JingleSession.prototype = extend(JingleSession.prototype, {
    _log: function (level, message) {
        message = this.sid + ': ' + message;
        this.emit('log:' + level, message);
    },
    
    send: function (action, data) {
        data = data || {};
        data.sid = this.sid;
        data.action = action;

        var requirePending = {
            'session-inititate': true,
            'session-accept': true,
            'content-add': true,
            'content-remove': true,
            'content-reject': true,
            'content-accept': true,
            'content-modify': true,
            'transport-replace': true,
            'transport-reject': true,
            'transport-accept': true,
            'source-add': true,
            'source-remove': true
        };

        if (requirePending[action]) {
            this.pendingAction = action;
        } else {
            this.pendingAction = false;
        }

        this.emit('send', {
            to: this.peer,
            type: 'set',
            jingle: data
        });
    },
    
    process: function (action, changes, cb) {
        this.processingQueue.push({
            action: action,
            changes: changes,
            cb: cb
        });
    },
    
    start: function () {
        this._log('error', 'Can not start base sessions');
        this.end('unsupported-applications', true);
    },
    
    accept: function () {
        this._log('error', 'Can not accept base sessions');
        this.end('unsupported-applications');
    },
    
    cancel: function () {
        this.end('cancel');
    },
    
    decline: function () {
        this.end('decline');
    },
    
    end: function (reason, silent) {
        this.state = 'ended';

        this.processingQueue.kill();

        if (!reason) {
            reason = 'success';
        }

        if (typeof reason === 'string') {
            reason = {
                condition: reason
            };
        }
    
        if (!silent) {
            this.send('session-terminate', {
                reason: reason
            });
        }
    
        this.emit('terminated', this, reason);
    },

    onSessionTerminate: function (changes, cb) {
        this.end(changes.reason, true);
        cb();
    },

    // It is mandatory to reply to a session-info action with 
    // an unsupported-info error if the info isn't recognized.
    //
    // However, a session-info action with no associated payload
    // is acceptable (works like a ping).
    onSessionInfo: function (changes, cb) {
        var okKeys = {
            sid: true,
            action: true,
            initiator: true,
            responder: true
        };

        var unknownPayload = false;
        Object.keys(changes).forEach(function (key) {
            if (!okKeys[key]) {
                unknownPayload = true;
            }
        });

        if (unknownPayload) {
            cb({
                type: 'modify',
                condition: 'feature-not-implemented',
                jingleCondition: 'unsupported-info'
            });
        } else {
            cb();
        }
    },

    // It is mandatory to reply to a description-info action with 
    // an unsupported-info error if the info isn't recognized.
    onDescriptionInfo: function (changes, cb) {
        cb({
            type: 'modify',
            condition: 'feature-not-implemented',
            jingleCondition: 'unsupported-info'
        });
    },

    // It is mandatory to reply to a transport-info action with 
    // an unsupported-info error if the info isn't recognized.
    onTransportInfo: function (changes, cb) {
        cb({
            type: 'modify',
            condition: 'feature-not-implemented',
            jingleCondition: 'unsupported-info'
        });
    },

    // It is mandatory to reply to a content-add action with either
    // a content-accept or content-reject.
    onContentAdd: function (changes, cb) {
        // Allow ack for the content-add to be sent.
        cb();

        this.send('content-reject', {
            reason: {
                condition: 'failed-application',
                text: 'content-add is not supported'
            }
        });
    },

    // It is mandatory to reply to a transport-add action with either
    // a transport-accept or transport-reject.
    onTransportReplace: function (changes, cb) {
        // Allow ack for the transport-replace be sent.
        cb();

        this.send('transport-reject', {
            reason: {
                condition: 'failed-application',
                text: 'transport-replace is not supported'
            }
        });
    }
});


module.exports = JingleSession;

},{"async":119,"extend-object":30,"util":28,"uuid":121,"wildemitter":122}],119:[function(require,module,exports){
(function (process){
/*!
 * async
 * https://github.com/caolan/async
 *
 * Copyright 2010-2014 Caolan McMahon
 * Released under the MIT license
 */
/*jshint onevar: false, indent:4 */
/*global setImmediate: false, setTimeout: false, console: false */
(function () {

    var async = {};

    // global on the server, window in the browser
    var root, previous_async;

    root = this;
    if (root != null) {
      previous_async = root.async;
    }

    async.noConflict = function () {
        root.async = previous_async;
        return async;
    };

    function only_once(fn) {
        var called = false;
        return function() {
            if (called) throw new Error("Callback was already called.");
            called = true;
            fn.apply(root, arguments);
        }
    }

    //// cross-browser compatiblity functions ////

    var _toString = Object.prototype.toString;

    var _isArray = Array.isArray || function (obj) {
        return _toString.call(obj) === '[object Array]';
    };

    var _each = function (arr, iterator) {
        for (var i = 0; i < arr.length; i += 1) {
            iterator(arr[i], i, arr);
        }
    };

    var _map = function (arr, iterator) {
        if (arr.map) {
            return arr.map(iterator);
        }
        var results = [];
        _each(arr, function (x, i, a) {
            results.push(iterator(x, i, a));
        });
        return results;
    };

    var _reduce = function (arr, iterator, memo) {
        if (arr.reduce) {
            return arr.reduce(iterator, memo);
        }
        _each(arr, function (x, i, a) {
            memo = iterator(memo, x, i, a);
        });
        return memo;
    };

    var _keys = function (obj) {
        if (Object.keys) {
            return Object.keys(obj);
        }
        var keys = [];
        for (var k in obj) {
            if (obj.hasOwnProperty(k)) {
                keys.push(k);
            }
        }
        return keys;
    };

    //// exported async module functions ////

    //// nextTick implementation with browser-compatible fallback ////
    if (typeof process === 'undefined' || !(process.nextTick)) {
        if (typeof setImmediate === 'function') {
            async.nextTick = function (fn) {
                // not a direct alias for IE10 compatibility
                setImmediate(fn);
            };
            async.setImmediate = async.nextTick;
        }
        else {
            async.nextTick = function (fn) {
                setTimeout(fn, 0);
            };
            async.setImmediate = async.nextTick;
        }
    }
    else {
        async.nextTick = process.nextTick;
        if (typeof setImmediate !== 'undefined') {
            async.setImmediate = function (fn) {
              // not a direct alias for IE10 compatibility
              setImmediate(fn);
            };
        }
        else {
            async.setImmediate = async.nextTick;
        }
    }

    async.each = function (arr, iterator, callback) {
        callback = callback || function () {};
        if (!arr.length) {
            return callback();
        }
        var completed = 0;
        _each(arr, function (x) {
            iterator(x, only_once(done) );
        });
        function done(err) {
          if (err) {
              callback(err);
              callback = function () {};
          }
          else {
              completed += 1;
              if (completed >= arr.length) {
                  callback();
              }
          }
        }
    };
    async.forEach = async.each;

    async.eachSeries = function (arr, iterator, callback) {
        callback = callback || function () {};
        if (!arr.length) {
            return callback();
        }
        var completed = 0;
        var iterate = function () {
            iterator(arr[completed], function (err) {
                if (err) {
                    callback(err);
                    callback = function () {};
                }
                else {
                    completed += 1;
                    if (completed >= arr.length) {
                        callback();
                    }
                    else {
                        iterate();
                    }
                }
            });
        };
        iterate();
    };
    async.forEachSeries = async.eachSeries;

    async.eachLimit = function (arr, limit, iterator, callback) {
        var fn = _eachLimit(limit);
        fn.apply(null, [arr, iterator, callback]);
    };
    async.forEachLimit = async.eachLimit;

    var _eachLimit = function (limit) {

        return function (arr, iterator, callback) {
            callback = callback || function () {};
            if (!arr.length || limit <= 0) {
                return callback();
            }
            var completed = 0;
            var started = 0;
            var running = 0;

            (function replenish () {
                if (completed >= arr.length) {
                    return callback();
                }

                while (running < limit && started < arr.length) {
                    started += 1;
                    running += 1;
                    iterator(arr[started - 1], function (err) {
                        if (err) {
                            callback(err);
                            callback = function () {};
                        }
                        else {
                            completed += 1;
                            running -= 1;
                            if (completed >= arr.length) {
                                callback();
                            }
                            else {
                                replenish();
                            }
                        }
                    });
                }
            })();
        };
    };


    var doParallel = function (fn) {
        return function () {
            var args = Array.prototype.slice.call(arguments);
            return fn.apply(null, [async.each].concat(args));
        };
    };
    var doParallelLimit = function(limit, fn) {
        return function () {
            var args = Array.prototype.slice.call(arguments);
            return fn.apply(null, [_eachLimit(limit)].concat(args));
        };
    };
    var doSeries = function (fn) {
        return function () {
            var args = Array.prototype.slice.call(arguments);
            return fn.apply(null, [async.eachSeries].concat(args));
        };
    };


    var _asyncMap = function (eachfn, arr, iterator, callback) {
        arr = _map(arr, function (x, i) {
            return {index: i, value: x};
        });
        if (!callback) {
            eachfn(arr, function (x, callback) {
                iterator(x.value, function (err) {
                    callback(err);
                });
            });
        } else {
            var results = [];
            eachfn(arr, function (x, callback) {
                iterator(x.value, function (err, v) {
                    results[x.index] = v;
                    callback(err);
                });
            }, function (err) {
                callback(err, results);
            });
        }
    };
    async.map = doParallel(_asyncMap);
    async.mapSeries = doSeries(_asyncMap);
    async.mapLimit = function (arr, limit, iterator, callback) {
        return _mapLimit(limit)(arr, iterator, callback);
    };

    var _mapLimit = function(limit) {
        return doParallelLimit(limit, _asyncMap);
    };

    // reduce only has a series version, as doing reduce in parallel won't
    // work in many situations.
    async.reduce = function (arr, memo, iterator, callback) {
        async.eachSeries(arr, function (x, callback) {
            iterator(memo, x, function (err, v) {
                memo = v;
                callback(err);
            });
        }, function (err) {
            callback(err, memo);
        });
    };
    // inject alias
    async.inject = async.reduce;
    // foldl alias
    async.foldl = async.reduce;

    async.reduceRight = function (arr, memo, iterator, callback) {
        var reversed = _map(arr, function (x) {
            return x;
        }).reverse();
        async.reduce(reversed, memo, iterator, callback);
    };
    // foldr alias
    async.foldr = async.reduceRight;

    var _filter = function (eachfn, arr, iterator, callback) {
        var results = [];
        arr = _map(arr, function (x, i) {
            return {index: i, value: x};
        });
        eachfn(arr, function (x, callback) {
            iterator(x.value, function (v) {
                if (v) {
                    results.push(x);
                }
                callback();
            });
        }, function (err) {
            callback(_map(results.sort(function (a, b) {
                return a.index - b.index;
            }), function (x) {
                return x.value;
            }));
        });
    };
    async.filter = doParallel(_filter);
    async.filterSeries = doSeries(_filter);
    // select alias
    async.select = async.filter;
    async.selectSeries = async.filterSeries;

    var _reject = function (eachfn, arr, iterator, callback) {
        var results = [];
        arr = _map(arr, function (x, i) {
            return {index: i, value: x};
        });
        eachfn(arr, function (x, callback) {
            iterator(x.value, function (v) {
                if (!v) {
                    results.push(x);
                }
                callback();
            });
        }, function (err) {
            callback(_map(results.sort(function (a, b) {
                return a.index - b.index;
            }), function (x) {
                return x.value;
            }));
        });
    };
    async.reject = doParallel(_reject);
    async.rejectSeries = doSeries(_reject);

    var _detect = function (eachfn, arr, iterator, main_callback) {
        eachfn(arr, function (x, callback) {
            iterator(x, function (result) {
                if (result) {
                    main_callback(x);
                    main_callback = function () {};
                }
                else {
                    callback();
                }
            });
        }, function (err) {
            main_callback();
        });
    };
    async.detect = doParallel(_detect);
    async.detectSeries = doSeries(_detect);

    async.some = function (arr, iterator, main_callback) {
        async.each(arr, function (x, callback) {
            iterator(x, function (v) {
                if (v) {
                    main_callback(true);
                    main_callback = function () {};
                }
                callback();
            });
        }, function (err) {
            main_callback(false);
        });
    };
    // any alias
    async.any = async.some;

    async.every = function (arr, iterator, main_callback) {
        async.each(arr, function (x, callback) {
            iterator(x, function (v) {
                if (!v) {
                    main_callback(false);
                    main_callback = function () {};
                }
                callback();
            });
        }, function (err) {
            main_callback(true);
        });
    };
    // all alias
    async.all = async.every;

    async.sortBy = function (arr, iterator, callback) {
        async.map(arr, function (x, callback) {
            iterator(x, function (err, criteria) {
                if (err) {
                    callback(err);
                }
                else {
                    callback(null, {value: x, criteria: criteria});
                }
            });
        }, function (err, results) {
            if (err) {
                return callback(err);
            }
            else {
                var fn = function (left, right) {
                    var a = left.criteria, b = right.criteria;
                    return a < b ? -1 : a > b ? 1 : 0;
                };
                callback(null, _map(results.sort(fn), function (x) {
                    return x.value;
                }));
            }
        });
    };

    async.auto = function (tasks, callback) {
        callback = callback || function () {};
        var keys = _keys(tasks);
        var remainingTasks = keys.length
        if (!remainingTasks) {
            return callback();
        }

        var results = {};

        var listeners = [];
        var addListener = function (fn) {
            listeners.unshift(fn);
        };
        var removeListener = function (fn) {
            for (var i = 0; i < listeners.length; i += 1) {
                if (listeners[i] === fn) {
                    listeners.splice(i, 1);
                    return;
                }
            }
        };
        var taskComplete = function () {
            remainingTasks--
            _each(listeners.slice(0), function (fn) {
                fn();
            });
        };

        addListener(function () {
            if (!remainingTasks) {
                var theCallback = callback;
                // prevent final callback from calling itself if it errors
                callback = function () {};

                theCallback(null, results);
            }
        });

        _each(keys, function (k) {
            var task = _isArray(tasks[k]) ? tasks[k]: [tasks[k]];
            var taskCallback = function (err) {
                var args = Array.prototype.slice.call(arguments, 1);
                if (args.length <= 1) {
                    args = args[0];
                }
                if (err) {
                    var safeResults = {};
                    _each(_keys(results), function(rkey) {
                        safeResults[rkey] = results[rkey];
                    });
                    safeResults[k] = args;
                    callback(err, safeResults);
                    // stop subsequent errors hitting callback multiple times
                    callback = function () {};
                }
                else {
                    results[k] = args;
                    async.setImmediate(taskComplete);
                }
            };
            var requires = task.slice(0, Math.abs(task.length - 1)) || [];
            var ready = function () {
                return _reduce(requires, function (a, x) {
                    return (a && results.hasOwnProperty(x));
                }, true) && !results.hasOwnProperty(k);
            };
            if (ready()) {
                task[task.length - 1](taskCallback, results);
            }
            else {
                var listener = function () {
                    if (ready()) {
                        removeListener(listener);
                        task[task.length - 1](taskCallback, results);
                    }
                };
                addListener(listener);
            }
        });
    };

    async.retry = function(times, task, callback) {
        var DEFAULT_TIMES = 5;
        var attempts = [];
        // Use defaults if times not passed
        if (typeof times === 'function') {
            callback = task;
            task = times;
            times = DEFAULT_TIMES;
        }
        // Make sure times is a number
        times = parseInt(times, 10) || DEFAULT_TIMES;
        var wrappedTask = function(wrappedCallback, wrappedResults) {
            var retryAttempt = function(task, finalAttempt) {
                return function(seriesCallback) {
                    task(function(err, result){
                        seriesCallback(!err || finalAttempt, {err: err, result: result});
                    }, wrappedResults);
                };
            };
            while (times) {
                attempts.push(retryAttempt(task, !(times-=1)));
            }
            async.series(attempts, function(done, data){
                data = data[data.length - 1];
                (wrappedCallback || callback)(data.err, data.result);
            });
        }
        // If a callback is passed, run this as a controll flow
        return callback ? wrappedTask() : wrappedTask
    };

    async.waterfall = function (tasks, callback) {
        callback = callback || function () {};
        if (!_isArray(tasks)) {
          var err = new Error('First argument to waterfall must be an array of functions');
          return callback(err);
        }
        if (!tasks.length) {
            return callback();
        }
        var wrapIterator = function (iterator) {
            return function (err) {
                if (err) {
                    callback.apply(null, arguments);
                    callback = function () {};
                }
                else {
                    var args = Array.prototype.slice.call(arguments, 1);
                    var next = iterator.next();
                    if (next) {
                        args.push(wrapIterator(next));
                    }
                    else {
                        args.push(callback);
                    }
                    async.setImmediate(function () {
                        iterator.apply(null, args);
                    });
                }
            };
        };
        wrapIterator(async.iterator(tasks))();
    };

    var _parallel = function(eachfn, tasks, callback) {
        callback = callback || function () {};
        if (_isArray(tasks)) {
            eachfn.map(tasks, function (fn, callback) {
                if (fn) {
                    fn(function (err) {
                        var args = Array.prototype.slice.call(arguments, 1);
                        if (args.length <= 1) {
                            args = args[0];
                        }
                        callback.call(null, err, args);
                    });
                }
            }, callback);
        }
        else {
            var results = {};
            eachfn.each(_keys(tasks), function (k, callback) {
                tasks[k](function (err) {
                    var args = Array.prototype.slice.call(arguments, 1);
                    if (args.length <= 1) {
                        args = args[0];
                    }
                    results[k] = args;
                    callback(err);
                });
            }, function (err) {
                callback(err, results);
            });
        }
    };

    async.parallel = function (tasks, callback) {
        _parallel({ map: async.map, each: async.each }, tasks, callback);
    };

    async.parallelLimit = function(tasks, limit, callback) {
        _parallel({ map: _mapLimit(limit), each: _eachLimit(limit) }, tasks, callback);
    };

    async.series = function (tasks, callback) {
        callback = callback || function () {};
        if (_isArray(tasks)) {
            async.mapSeries(tasks, function (fn, callback) {
                if (fn) {
                    fn(function (err) {
                        var args = Array.prototype.slice.call(arguments, 1);
                        if (args.length <= 1) {
                            args = args[0];
                        }
                        callback.call(null, err, args);
                    });
                }
            }, callback);
        }
        else {
            var results = {};
            async.eachSeries(_keys(tasks), function (k, callback) {
                tasks[k](function (err) {
                    var args = Array.prototype.slice.call(arguments, 1);
                    if (args.length <= 1) {
                        args = args[0];
                    }
                    results[k] = args;
                    callback(err);
                });
            }, function (err) {
                callback(err, results);
            });
        }
    };

    async.iterator = function (tasks) {
        var makeCallback = function (index) {
            var fn = function () {
                if (tasks.length) {
                    tasks[index].apply(null, arguments);
                }
                return fn.next();
            };
            fn.next = function () {
                return (index < tasks.length - 1) ? makeCallback(index + 1): null;
            };
            return fn;
        };
        return makeCallback(0);
    };

    async.apply = function (fn) {
        var args = Array.prototype.slice.call(arguments, 1);
        return function () {
            return fn.apply(
                null, args.concat(Array.prototype.slice.call(arguments))
            );
        };
    };

    var _concat = function (eachfn, arr, fn, callback) {
        var r = [];
        eachfn(arr, function (x, cb) {
            fn(x, function (err, y) {
                r = r.concat(y || []);
                cb(err);
            });
        }, function (err) {
            callback(err, r);
        });
    };
    async.concat = doParallel(_concat);
    async.concatSeries = doSeries(_concat);

    async.whilst = function (test, iterator, callback) {
        if (test()) {
            iterator(function (err) {
                if (err) {
                    return callback(err);
                }
                async.whilst(test, iterator, callback);
            });
        }
        else {
            callback();
        }
    };

    async.doWhilst = function (iterator, test, callback) {
        iterator(function (err) {
            if (err) {
                return callback(err);
            }
            var args = Array.prototype.slice.call(arguments, 1);
            if (test.apply(null, args)) {
                async.doWhilst(iterator, test, callback);
            }
            else {
                callback();
            }
        });
    };

    async.until = function (test, iterator, callback) {
        if (!test()) {
            iterator(function (err) {
                if (err) {
                    return callback(err);
                }
                async.until(test, iterator, callback);
            });
        }
        else {
            callback();
        }
    };

    async.doUntil = function (iterator, test, callback) {
        iterator(function (err) {
            if (err) {
                return callback(err);
            }
            var args = Array.prototype.slice.call(arguments, 1);
            if (!test.apply(null, args)) {
                async.doUntil(iterator, test, callback);
            }
            else {
                callback();
            }
        });
    };

    async.queue = function (worker, concurrency) {
        if (concurrency === undefined) {
            concurrency = 1;
        }
        function _insert(q, data, pos, callback) {
          if (!q.started){
            q.started = true;
          }
          if (!_isArray(data)) {
              data = [data];
          }
          if(data.length == 0) {
             // call drain immediately if there are no tasks
             return async.setImmediate(function() {
                 if (q.drain) {
                     q.drain();
                 }
             });
          }
          _each(data, function(task) {
              var item = {
                  data: task,
                  callback: typeof callback === 'function' ? callback : null
              };

              if (pos) {
                q.tasks.unshift(item);
              } else {
                q.tasks.push(item);
              }

              if (q.saturated && q.tasks.length === q.concurrency) {
                  q.saturated();
              }
              async.setImmediate(q.process);
          });
        }

        var workers = 0;
        var q = {
            tasks: [],
            concurrency: concurrency,
            saturated: null,
            empty: null,
            drain: null,
            started: false,
            paused: false,
            push: function (data, callback) {
              _insert(q, data, false, callback);
            },
            kill: function () {
              q.drain = null;
              q.tasks = [];
            },
            unshift: function (data, callback) {
              _insert(q, data, true, callback);
            },
            process: function () {
                if (!q.paused && workers < q.concurrency && q.tasks.length) {
                    var task = q.tasks.shift();
                    if (q.empty && q.tasks.length === 0) {
                        q.empty();
                    }
                    workers += 1;
                    var next = function () {
                        workers -= 1;
                        if (task.callback) {
                            task.callback.apply(task, arguments);
                        }
                        if (q.drain && q.tasks.length + workers === 0) {
                            q.drain();
                        }
                        q.process();
                    };
                    var cb = only_once(next);
                    worker(task.data, cb);
                }
            },
            length: function () {
                return q.tasks.length;
            },
            running: function () {
                return workers;
            },
            idle: function() {
                return q.tasks.length + workers === 0;
            },
            pause: function () {
                if (q.paused === true) { return; }
                q.paused = true;
            },
            resume: function () {
                if (q.paused === false) { return; }
                q.paused = false;
                // Need to call q.process once per concurrent
                // worker to preserve full concurrency after pause
                for (var w = 1; w <= q.concurrency; w++) {
                    async.setImmediate(q.process);
                }
            }
        };
        return q;
    };

    async.priorityQueue = function (worker, concurrency) {

        function _compareTasks(a, b){
          return a.priority - b.priority;
        };

        function _binarySearch(sequence, item, compare) {
          var beg = -1,
              end = sequence.length - 1;
          while (beg < end) {
            var mid = beg + ((end - beg + 1) >>> 1);
            if (compare(item, sequence[mid]) >= 0) {
              beg = mid;
            } else {
              end = mid - 1;
            }
          }
          return beg;
        }

        function _insert(q, data, priority, callback) {
          if (!q.started){
            q.started = true;
          }
          if (!_isArray(data)) {
              data = [data];
          }
          if(data.length == 0) {
             // call drain immediately if there are no tasks
             return async.setImmediate(function() {
                 if (q.drain) {
                     q.drain();
                 }
             });
          }
          _each(data, function(task) {
              var item = {
                  data: task,
                  priority: priority,
                  callback: typeof callback === 'function' ? callback : null
              };

              q.tasks.splice(_binarySearch(q.tasks, item, _compareTasks) + 1, 0, item);

              if (q.saturated && q.tasks.length === q.concurrency) {
                  q.saturated();
              }
              async.setImmediate(q.process);
          });
        }

        // Start with a normal queue
        var q = async.queue(worker, concurrency);

        // Override push to accept second parameter representing priority
        q.push = function (data, priority, callback) {
          _insert(q, data, priority, callback);
        };

        // Remove unshift function
        delete q.unshift;

        return q;
    };

    async.cargo = function (worker, payload) {
        var working     = false,
            tasks       = [];

        var cargo = {
            tasks: tasks,
            payload: payload,
            saturated: null,
            empty: null,
            drain: null,
            drained: true,
            push: function (data, callback) {
                if (!_isArray(data)) {
                    data = [data];
                }
                _each(data, function(task) {
                    tasks.push({
                        data: task,
                        callback: typeof callback === 'function' ? callback : null
                    });
                    cargo.drained = false;
                    if (cargo.saturated && tasks.length === payload) {
                        cargo.saturated();
                    }
                });
                async.setImmediate(cargo.process);
            },
            process: function process() {
                if (working) return;
                if (tasks.length === 0) {
                    if(cargo.drain && !cargo.drained) cargo.drain();
                    cargo.drained = true;
                    return;
                }

                var ts = typeof payload === 'number'
                            ? tasks.splice(0, payload)
                            : tasks.splice(0, tasks.length);

                var ds = _map(ts, function (task) {
                    return task.data;
                });

                if(cargo.empty) cargo.empty();
                working = true;
                worker(ds, function () {
                    working = false;

                    var args = arguments;
                    _each(ts, function (data) {
                        if (data.callback) {
                            data.callback.apply(null, args);
                        }
                    });

                    process();
                });
            },
            length: function () {
                return tasks.length;
            },
            running: function () {
                return working;
            }
        };
        return cargo;
    };

    var _console_fn = function (name) {
        return function (fn) {
            var args = Array.prototype.slice.call(arguments, 1);
            fn.apply(null, args.concat([function (err) {
                var args = Array.prototype.slice.call(arguments, 1);
                if (typeof console !== 'undefined') {
                    if (err) {
                        if (console.error) {
                            console.error(err);
                        }
                    }
                    else if (console[name]) {
                        _each(args, function (x) {
                            console[name](x);
                        });
                    }
                }
            }]));
        };
    };
    async.log = _console_fn('log');
    async.dir = _console_fn('dir');
    /*async.info = _console_fn('info');
    async.warn = _console_fn('warn');
    async.error = _console_fn('error');*/

    async.memoize = function (fn, hasher) {
        var memo = {};
        var queues = {};
        hasher = hasher || function (x) {
            return x;
        };
        var memoized = function () {
            var args = Array.prototype.slice.call(arguments);
            var callback = args.pop();
            var key = hasher.apply(null, args);
            if (key in memo) {
                async.nextTick(function () {
                    callback.apply(null, memo[key]);
                });
            }
            else if (key in queues) {
                queues[key].push(callback);
            }
            else {
                queues[key] = [callback];
                fn.apply(null, args.concat([function () {
                    memo[key] = arguments;
                    var q = queues[key];
                    delete queues[key];
                    for (var i = 0, l = q.length; i < l; i++) {
                      q[i].apply(null, arguments);
                    }
                }]));
            }
        };
        memoized.memo = memo;
        memoized.unmemoized = fn;
        return memoized;
    };

    async.unmemoize = function (fn) {
      return function () {
        return (fn.unmemoized || fn).apply(null, arguments);
      };
    };

    async.times = function (count, iterator, callback) {
        var counter = [];
        for (var i = 0; i < count; i++) {
            counter.push(i);
        }
        return async.map(counter, iterator, callback);
    };

    async.timesSeries = function (count, iterator, callback) {
        var counter = [];
        for (var i = 0; i < count; i++) {
            counter.push(i);
        }
        return async.mapSeries(counter, iterator, callback);
    };

    async.seq = function (/* functions... */) {
        var fns = arguments;
        return function () {
            var that = this;
            var args = Array.prototype.slice.call(arguments);
            var callback = args.pop();
            async.reduce(fns, args, function (newargs, fn, cb) {
                fn.apply(that, newargs.concat([function () {
                    var err = arguments[0];
                    var nextargs = Array.prototype.slice.call(arguments, 1);
                    cb(err, nextargs);
                }]))
            },
            function (err, results) {
                callback.apply(that, [err].concat(results));
            });
        };
    };

    async.compose = function (/* functions... */) {
      return async.seq.apply(null, Array.prototype.reverse.call(arguments));
    };

    var _applyEach = function (eachfn, fns /*args...*/) {
        var go = function () {
            var that = this;
            var args = Array.prototype.slice.call(arguments);
            var callback = args.pop();
            return eachfn(fns, function (fn, cb) {
                fn.apply(that, args.concat([cb]));
            },
            callback);
        };
        if (arguments.length > 2) {
            var args = Array.prototype.slice.call(arguments, 2);
            return go.apply(this, args);
        }
        else {
            return go;
        }
    };
    async.applyEach = doParallel(_applyEach);
    async.applyEachSeries = doSeries(_applyEach);

    async.forever = function (fn, callback) {
        function next(err) {
            if (err) {
                if (callback) {
                    return callback(err);
                }
                throw err;
            }
            fn(next);
        }
        next();
    };

    // Node.js
    if (typeof module !== 'undefined' && module.exports) {
        module.exports = async;
    }
    // AMD / RequireJS
    else if (typeof define !== 'undefined' && define.amd) {
        define([], function () {
            return async;
        });
    }
    // included directly via <script> tag
    else {
        root.async = async;
    }

}());

}).call(this,require('_process'))
},{"_process":10}],120:[function(require,module,exports){
(function (global){

var rng;

if (global.crypto && crypto.getRandomValues) {
  // WHATWG crypto-based RNG - http://wiki.whatwg.org/wiki/Crypto
  // Moderately fast, high quality
  var _rnds8 = new Uint8Array(16);
  rng = function whatwgRNG() {
    crypto.getRandomValues(_rnds8);
    return _rnds8;
  };
}

if (!rng) {
  // Math.random()-based (RNG)
  //
  // If all else fails, use Math.random().  It's fast, but is of unspecified
  // quality.
  var  _rnds = new Array(16);
  rng = function() {
    for (var i = 0, r; i < 16; i++) {
      if ((i & 0x03) === 0) r = Math.random() * 0x100000000;
      _rnds[i] = r >>> ((i & 0x03) << 3) & 0xff;
    }

    return _rnds;
  };
}

module.exports = rng;


}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],121:[function(require,module,exports){
//     uuid.js
//
//     Copyright (c) 2010-2012 Robert Kieffer
//     MIT License - http://opensource.org/licenses/mit-license.php

// Unique ID creation requires a high quality random # generator.  We feature
// detect to determine the best RNG source, normalizing to a function that
// returns 128-bits of randomness, since that's what's usually required
var _rng = require('./rng');

// Maps for number <-> hex string conversion
var _byteToHex = [];
var _hexToByte = {};
for (var i = 0; i < 256; i++) {
  _byteToHex[i] = (i + 0x100).toString(16).substr(1);
  _hexToByte[_byteToHex[i]] = i;
}

// **`parse()` - Parse a UUID into it's component bytes**
function parse(s, buf, offset) {
  var i = (buf && offset) || 0, ii = 0;

  buf = buf || [];
  s.toLowerCase().replace(/[0-9a-f]{2}/g, function(oct) {
    if (ii < 16) { // Don't overflow!
      buf[i + ii++] = _hexToByte[oct];
    }
  });

  // Zero out remaining bytes if string was short
  while (ii < 16) {
    buf[i + ii++] = 0;
  }

  return buf;
}

// **`unparse()` - Convert UUID byte array (ala parse()) into a string**
function unparse(buf, offset) {
  var i = offset || 0, bth = _byteToHex;
  return  bth[buf[i++]] + bth[buf[i++]] +
          bth[buf[i++]] + bth[buf[i++]] + '-' +
          bth[buf[i++]] + bth[buf[i++]] + '-' +
          bth[buf[i++]] + bth[buf[i++]] + '-' +
          bth[buf[i++]] + bth[buf[i++]] + '-' +
          bth[buf[i++]] + bth[buf[i++]] +
          bth[buf[i++]] + bth[buf[i++]] +
          bth[buf[i++]] + bth[buf[i++]];
}

// **`v1()` - Generate time-based UUID**
//
// Inspired by https://github.com/LiosK/UUID.js
// and http://docs.python.org/library/uuid.html

// random #'s we need to init node and clockseq
var _seedBytes = _rng();

// Per 4.5, create and 48-bit node id, (47 random bits + multicast bit = 1)
var _nodeId = [
  _seedBytes[0] | 0x01,
  _seedBytes[1], _seedBytes[2], _seedBytes[3], _seedBytes[4], _seedBytes[5]
];

// Per 4.2.2, randomize (14 bit) clockseq
var _clockseq = (_seedBytes[6] << 8 | _seedBytes[7]) & 0x3fff;

// Previous uuid creation time
var _lastMSecs = 0, _lastNSecs = 0;

// See https://github.com/broofa/node-uuid for API details
function v1(options, buf, offset) {
  var i = buf && offset || 0;
  var b = buf || [];

  options = options || {};

  var clockseq = options.clockseq !== undefined ? options.clockseq : _clockseq;

  // UUID timestamps are 100 nano-second units since the Gregorian epoch,
  // (1582-10-15 00:00).  JSNumbers aren't precise enough for this, so
  // time is handled internally as 'msecs' (integer milliseconds) and 'nsecs'
  // (100-nanoseconds offset from msecs) since unix epoch, 1970-01-01 00:00.
  var msecs = options.msecs !== undefined ? options.msecs : new Date().getTime();

  // Per 4.2.1.2, use count of uuid's generated during the current clock
  // cycle to simulate higher resolution clock
  var nsecs = options.nsecs !== undefined ? options.nsecs : _lastNSecs + 1;

  // Time since last uuid creation (in msecs)
  var dt = (msecs - _lastMSecs) + (nsecs - _lastNSecs)/10000;

  // Per 4.2.1.2, Bump clockseq on clock regression
  if (dt < 0 && options.clockseq === undefined) {
    clockseq = clockseq + 1 & 0x3fff;
  }

  // Reset nsecs if clock regresses (new clockseq) or we've moved onto a new
  // time interval
  if ((dt < 0 || msecs > _lastMSecs) && options.nsecs === undefined) {
    nsecs = 0;
  }

  // Per 4.2.1.2 Throw error if too many uuids are requested
  if (nsecs >= 10000) {
    throw new Error('uuid.v1(): Can\'t create more than 10M uuids/sec');
  }

  _lastMSecs = msecs;
  _lastNSecs = nsecs;
  _clockseq = clockseq;

  // Per 4.1.4 - Convert from unix epoch to Gregorian epoch
  msecs += 12219292800000;

  // `time_low`
  var tl = ((msecs & 0xfffffff) * 10000 + nsecs) % 0x100000000;
  b[i++] = tl >>> 24 & 0xff;
  b[i++] = tl >>> 16 & 0xff;
  b[i++] = tl >>> 8 & 0xff;
  b[i++] = tl & 0xff;

  // `time_mid`
  var tmh = (msecs / 0x100000000 * 10000) & 0xfffffff;
  b[i++] = tmh >>> 8 & 0xff;
  b[i++] = tmh & 0xff;

  // `time_high_and_version`
  b[i++] = tmh >>> 24 & 0xf | 0x10; // include version
  b[i++] = tmh >>> 16 & 0xff;

  // `clock_seq_hi_and_reserved` (Per 4.2.2 - include variant)
  b[i++] = clockseq >>> 8 | 0x80;

  // `clock_seq_low`
  b[i++] = clockseq & 0xff;

  // `node`
  var node = options.node || _nodeId;
  for (var n = 0; n < 6; n++) {
    b[i + n] = node[n];
  }

  return buf ? buf : unparse(b);
}

// **`v4()` - Generate random UUID**

// See https://github.com/broofa/node-uuid for API details
function v4(options, buf, offset) {
  // Deprecated - 'format' argument, as supported in v1.2
  var i = buf && offset || 0;

  if (typeof(options) == 'string') {
    buf = options == 'binary' ? new Array(16) : null;
    options = null;
  }
  options = options || {};

  var rnds = options.random || (options.rng || _rng)();

  // Per 4.4, set bits for version and `clock_seq_hi_and_reserved`
  rnds[6] = (rnds[6] & 0x0f) | 0x40;
  rnds[8] = (rnds[8] & 0x3f) | 0x80;

  // Copy bytes to buffer, if provided
  if (buf) {
    for (var ii = 0; ii < 16; ii++) {
      buf[i + ii] = rnds[ii];
    }
  }

  return buf || unparse(rnds);
}

// Export public API
var uuid = v4;
uuid.v1 = v1;
uuid.v4 = v4;
uuid.parse = parse;
uuid.unparse = unparse;

module.exports = uuid;

},{"./rng":120}],122:[function(require,module,exports){
arguments[4][53][0].apply(exports,arguments)
},{"dup":53}],123:[function(require,module,exports){
// created by @HenrikJoreteg
var prefix;
var version;

if (window.mozRTCPeerConnection || navigator.mozGetUserMedia) {
    prefix = 'moz';
    version = parseInt(navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1], 10);
} else if (window.webkitRTCPeerConnection || navigator.webkitGetUserMedia) {
    prefix = 'webkit';
    version = navigator.userAgent.match(/Chrom(e|ium)/) && parseInt(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2], 10);
}

var PC = window.mozRTCPeerConnection || window.webkitRTCPeerConnection;
var IceCandidate = window.mozRTCIceCandidate || window.RTCIceCandidate;
var SessionDescription = window.mozRTCSessionDescription || window.RTCSessionDescription;
var MediaStream = window.webkitMediaStream || window.MediaStream;
var screenSharing = window.location.protocol === 'https:' &&
    ((prefix === 'webkit' && version >= 26) ||
     (prefix === 'moz' && version >= 33))
var AudioContext = window.AudioContext || window.webkitAudioContext;
var videoEl = document.createElement('video');
var supportVp8 = videoEl && videoEl.canPlayType && videoEl.canPlayType('video/webm; codecs="vp8", vorbis') === "probably";
var getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.msGetUserMedia || navigator.mozGetUserMedia;

// export support flags and constructors.prototype && PC
module.exports = {
    prefix: prefix,
    browserVersion: version,
    support: !!PC && supportVp8 && !!getUserMedia,
    // new support style
    supportRTCPeerConnection: !!PC,
    supportVp8: supportVp8,
    supportGetUserMedia: !!getUserMedia,
    supportDataChannel: !!(PC && PC.prototype && PC.prototype.createDataChannel),
    supportWebAudio: !!(AudioContext && AudioContext.prototype.createMediaStreamSource),
    supportMediaStream: !!(MediaStream && MediaStream.prototype.removeTrack),
    supportScreenSharing: !!screenSharing,
    // old deprecated style. Dont use this anymore
    dataChannel: !!(PC && PC.prototype && PC.prototype.createDataChannel),
    webAudio: !!(AudioContext && AudioContext.prototype.createMediaStreamSource),
    mediaStream: !!(MediaStream && MediaStream.prototype.removeTrack),
    screenSharing: !!screenSharing,
    // constructors
    AudioContext: AudioContext,
    PeerConnection: PC,
    SessionDescription: SessionDescription,
    IceCandidate: IceCandidate,
    MediaStream: MediaStream,
    getUserMedia: getUserMedia
};

},{}],124:[function(require,module,exports){
arguments[4][53][0].apply(exports,arguments)
},{"dup":53}],125:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

var _shortcuts = require('./shortcuts');

var _shortcuts2 = _interopRequireDefault(_shortcuts);

var _types = require('./types');

var _types2 = _interopRequireDefault(_types);

exports['default'] = function (JXT) {

    JXT.use(_types2['default']);
    JXT.use(_shortcuts2['default']);
};

module.exports = exports['default'];

},{"./shortcuts":126,"./types":127}],126:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var VERSION = {
    client: _xmppConstants.Namespace.CLIENT,
    server: _xmppConstants.Namespace.SERVER,
    component: _xmppConstants.Namespace.COMPONENT
};

exports['default'] = function (JXT) {

    // ----------------------------------------------------------------
    // Shortcuts for common extension calls
    // ----------------------------------------------------------------

    JXT.extendMessage = function (JXTClass, multiName) {
        var _this = this;

        this.withMessage(function (Message) {

            _this.extend(Message, JXTClass, multiName);
        });
    };

    JXT.extendPresence = function (JXTClass, multiName) {
        var _this2 = this;

        this.withPresence(function (Presence) {

            _this2.extend(Presence, JXTClass, multiName);
        });
    };

    JXT.extendIQ = function (JXTClass, multiName) {
        var _this3 = this;

        this.withIQ(function (IQ) {

            _this3.extend(IQ, JXTClass, multiName);
        });
    };

    JXT.extendStreamFeatures = function (JXTClass) {
        var _this4 = this;

        this.withStreamFeatures(function (StreamFeatures) {

            _this4.extend(StreamFeatures, JXTClass);
        });
    };

    JXT.extendPubsubItem = function (JXTClass) {
        var _this5 = this;

        this.withPubsubItem(function (PubsubItem) {

            _this5.extend(PubsubItem, JXTClass);
        });
    };

    // ----------------------------------------------------------------
    // Shortcuts for common withDefinition calls
    // ----------------------------------------------------------------

    JXT.withIQ = function (cb) {

        this.withDefinition('iq', _xmppConstants.Namespace.CLIENT, cb);
        this.withDefinition('iq', _xmppConstants.Namespace.COMPONENT, cb);
    };

    JXT.withMessage = function (cb) {

        this.withDefinition('message', _xmppConstants.Namespace.CLIENT, cb);
        this.withDefinition('message', _xmppConstants.Namespace.COMPONENT, cb);
    };

    JXT.withPresence = function (cb) {

        this.withDefinition('presence', _xmppConstants.Namespace.CLIENT, cb);
        this.withDefinition('presence', _xmppConstants.Namespace.COMPONENT, cb);
    };

    JXT.withStreamFeatures = function (cb) {

        this.withDefinition('features', _xmppConstants.Namespace.STREAM, cb);
    };

    JXT.withStanzaError = function (cb) {

        this.withDefinition('error', _xmppConstants.Namespace.CLIENT, cb);
        this.withDefinition('error', _xmppConstants.Namespace.COMPONENT, cb);
    };

    JXT.withDataForm = function (cb) {

        this.withDefinition('x', _xmppConstants.Namespace.DATAFORM, cb);
    };

    JXT.withPubsubItem = function (cb) {

        this.withDefinition('item', _xmppConstants.Namespace.PUBSUB, cb);
        this.withDefinition('item', _xmppConstants.Namespace.PUBSUB_EVENT, cb);
    };

    // ----------------------------------------------------------------
    // Shortcuts for common getDefinition calls
    // ----------------------------------------------------------------

    JXT.getMessage = function () {
        var version = arguments[0] === undefined ? 'client' : arguments[0];

        return this.getDefinition('message', VERSION[version]);
    };

    JXT.getPresence = function () {
        var version = arguments[0] === undefined ? 'client' : arguments[0];

        return this.getDefinition('presence', VERSION[version]);
    };

    JXT.getIQ = function () {
        var version = arguments[0] === undefined ? 'client' : arguments[0];

        return this.getDefinition('iq', VERSION[version]);
    };

    JXT.getStreamError = function () {

        return this.getDefinition('error', _xmppConstants.Namespace.STREAM);
    };

    // For backward compatibility
    JXT.getIq = JXT.getIQ;
    JXT.withIq = JXT.withIQ;
};

module.exports = exports['default'];

},{"xmpp-constants":128}],127:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppJid = require('xmpp-jid');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    Utils.jidAttribute = function (attr, prepped) {

        return {
            get: function get() {

                var jid = new _xmppJid.JID(Utils.getAttribute(this.xml, attr));
                if (prepped) {
                    jid.prepped = true;
                }
                return jid;
            },
            set: function set(value) {

                Utils.setAttribute(this.xml, attr, (value || '').toString());
            }
        };
    };

    Utils.jidSub = function (NS, sub, prepped) {

        return {
            get: function get() {

                var jid = new _xmppJid.JID(Utils.getSubText(this.xml, NS, sub));
                if (prepped) {
                    jid.prepped = true;
                }
                return jid;
            },
            set: function set(value) {

                Utils.setSubText(this.xml, NS, sub, (value || '').toString());
            }
        };
    };

    Utils.tzoSub = Utils.field(function (xml, NS, sub, defaultVal) {

        var hrs = undefined,
            min = undefined,
            split = undefined;
        var sign = -1;
        var formatted = Utils.getSubText(xml, NS, sub);

        if (!formatted) {
            return defaultVal;
        }

        if (formatted.charAt(0) === '-') {
            sign = 1;
            formatted = formatted.slice(1);
        }

        split = formatted.split(':');
        hrs = parseInt(split[0], 10);
        min = parseInt(split[1], 10);
        return (hrs * 60 + min) * sign;
    }, function (xml, NS, sub, value) {

        var hrs = undefined,
            min = undefined;
        var formatted = '-';
        if (typeof value === 'number') {
            if (value < 0) {
                value = -value;
                formatted = '+';
            }
            hrs = value / 60;
            min = value % 60;
            formatted += (hrs < 10 ? '0' : '') + hrs + ':' + (min < 10 ? '0' : '') + min;
        } else {
            formatted = value;
        }
        Utils.setSubText(xml, NS, sub, formatted);
    });
};

module.exports = exports['default'];

},{"xmpp-jid":134}],128:[function(require,module,exports){
module.exports = {
    Namespace: require('./lib/namespaces'),
    MUC: require('./lib/muc'),
    PubSub: require('./lib/pubsub'),
    Jingle: require('./lib/jingle'),
    Presence: require('./lib/presence')
};

},{"./lib/jingle":129,"./lib/muc":130,"./lib/namespaces":131,"./lib/presence":132,"./lib/pubsub":133}],129:[function(require,module,exports){
module.exports = {
    Action: {
        CONTENT_ACCEPT: 'content-accept',
        CONTENT_ADD: 'content-add',
        CONTENT_MODIFY: 'content-modify',
        CONTENT_REJECT: 'content-reject',
        CONTENT_REMOVE: 'content-remove',
        DESCRIPTION_INFO: 'description-info',
        SECURITY_INFO: 'security-info',
        SESSION_ACCEPT: 'session-accept',
        SESSION_INFO: 'session-info',
        SESSION_INITIATE: 'session-initiate',
        SESSION_TERMINATE: 'session-terminate',
        TRANSPORT_ACCEPT: 'transport-accept',
        TRANSPORT_INFO: 'transport-info',
        TRANSPORT_REJECT: 'transport-reject',
        TRANSPORT_REPLACE: 'transport-replace'
    },
    Reason: {
        ALTERNATIVE_SESSION: 'alernative-session',
        BUSY: 'busy',
        CANCEL: 'cancel',
        CONNECTIVITY_ERROR: 'connectivity-error',
        DECLINE: 'decline',
        EXPIRED: 'expired',
        FAILED_APPLICATION: 'failed-application',
        FAILED_TRANSPORT: 'failed-transport',
        GENERAL_ERROR: 'general-error',
        GONE: 'gone',
        INCOMPATIBLE_PARAMETERS: 'incompatible-parameters',
        MEDIA_ERROR: 'media-error',
        SECURITY_ERROR: 'security-error',
        SUCCESS: 'success',
        TIMEOUT: 'timeout',
        UNSUPPORTED_APPLICATIONS: 'unsupported-applications',
        UNSUPPORTED_TRANSPORTS: 'unsupported-transports'
    },
    Condition: {
        OUT_OF_ORDER: 'out-of-order',
        TIE_BREAK: 'tie-break',
        UNKNOWN_SESSION: 'unknown-session',
        UNSUPPORTED_INFO: 'unsupported-info'
    }
};

},{}],130:[function(require,module,exports){
module.exports = {
    Status: {
        REALJID_PUBLIC: '100',
        AFFILIATION_CHANGED: '101',
        UNAVAILABLE_SHOWN: '102',
        UNAVAILABLE_NOT_SHOWN: '103',
        CONFIGURATION_CHANGED: '104',
        SELF_PRESENCE: '110',
        LOGGING_ENABLED: '170',
        LOGGING_DISABLED: '171',
        NON_ANONYMOUS: '172',
        SEMI_ANONYMOUS: '173',
        FULLY_ANONYMOUS: '174',
        ROOM_CREATED: '201',
        NICK_ASSIGNED: '210',
        BANNED: '301',
        NEW_NICK: '303',
        KICKED: '307',
        REMOVED_AFFILIATION: '321',
        REMOVED_MEMBERSHIP: '322',
        REMOVED_SHUTDOWN: '332'
    },
    Affiliation: {
        ADMIN: 'admin',
        MEMBER: 'member',
        NONE: 'none',
        OUTCAST: 'outcast',
        OWNER: 'owner'
    },
    Role: {
        MODERATOR: 'moderator',
        NONE: 'none',
        PARTICIPANT: 'participant',
        VISITOR: 'visitor'
    }
};

},{}],131:[function(require,module,exports){
module.exports = {
// ================================================================
// RFCS
// ================================================================

// RFC 6120
    BIND: 'urn:ietf:params:xml:ns:xmpp-bind',
    CLIENT: 'jabber:client',
    SASL: 'urn:ietf:params:xml:ns:xmpp-sasl',
    SERVER: 'jabber:server',
    SESSION: 'urn:ietf:params:xml:ns:xmpp-session',
    STANZA_ERROR: 'urn:ietf:params:xml:ns:xmpp-stanzas',
    STREAM: 'http://etherx.jabber.org/streams',
    STREAM_ERROR: 'urn:ietf:params:xml:ns:xmpp-streams',

// RFC 6121
    ROSTER: 'jabber:iq:roster',
    ROSTER_VERSIONING: 'urn:xmpp:features:rosterver',
    SUBSCRIPTION_PREAPPROVAL: 'urn:xmpp:features:pre-approval',

// RFC 7395
    FRAMING: 'urn:ietf:params:xml:ns:xmpp-framing',

// ================================================================
// XEPS
// ================================================================

// XEP-0004
    DATAFORM: 'jabber:x:data',

// XEP-0009
    RPC: 'jabber:iq:rpc',

// XEP-0012
    LAST_ACTIVITY: 'jabber:iq:last',

// XEP-0016
    PRIVACY: 'jabber:iq:privacy',

// XEP-0030
    DISCO_INFO: 'http://jabber.org/protocol/disco#info',
    DISCO_ITEMS: 'http://jabber.org/protocol/disco#items',

// XEP-0033
    ADDRESS: 'http://jabber.org/protocol/address',

// XEP-0045
    MUC: 'http://jabber.org/protocol/muc',
    MUC_ADMIN: 'http://jabber.org/protocol/muc#admin',
    MUC_OWNER: 'http://jabber.org/protocol/muc#owner',
    MUC_USER: 'http://jabber.org/protocol/muc#user',

// XEP-0047
    IBB: 'http://jabber.org/protocol/ibb',

// XEP-0048
    BOOKMARKS: 'storage:bookmarks',

// XEP-0049
    PRIVATE: 'jabber:iq:private',

// XEP-0050
    ADHOC_COMMANDS: 'http://jabber.org/protocol/commands',

// XEP-0054
    VCARD_TEMP: 'vcard-temp',

// XEP-0055
    SEARCH: 'jabber:iq:search',

// XEP-0059
    RSM: 'http://jabber.org/protocol/rsm',

// XEP-0060
    PUBSUB: 'http://jabber.org/protocol/pubsub',
    PUBSUB_ERRORS: 'http://jabber.org/protocol/pubsub#errors',
    PUBSUB_EVENT: 'http://jabber.org/protocol/pubsub#event',
    PUBSUB_OWNER: 'http://jabber.org/protocol/pubsub#owner',

// XEP-0065
    SOCKS5: 'http://jabber.org/protocol/bytestreams',

// XEP-0066
    OOB: 'jabber:x:oob',

// XEP-0070
    HTTP_AUTH: 'http://jabber.org/protocol/http-auth',

// XEP-0071
    XHTML_IM: 'http://jabber.org/protocol/xhtml-im',

// XEP-0077
    REGISTER: 'jabber:iq:register',

// XEP-0079
    AMP: 'http://jabber.org/protocol/amp',

// XEP-0080
    GEOLOC: 'http://jabber.org/protocol/geoloc',

// XEP-0083
    ROSTER_DELIMITER: 'roster:delimiter',

// XEP-0084
    AVATAR_DATA: 'urn:xmpp:avatar:data',
    AVATAR_METADATA: 'urn:xmpp:avatar:metadata',

// XEP-0085
    CHAT_STATES: 'http://jabber.org/protocol/chatstates',

// XEP-0092
    VERSION: 'jabber:iq:version',

// XEP-0107
    MOOD: 'http://jabber.org/protocol/mood',

// XEP-0108
    ACTIVITY: 'http://jabber.org/protocol/activity',

// XEP-0114
    COMPONENT: 'jabber:component:accept',

// XEP-0115
    CAPS: 'http://jabber.org/protocol/caps',

// XEP-0118
    TUNE: 'http://jabber.org/protocol/tune',

// XEP-0122
    DATAFORM_VALIDATION: 'http://jabber.org/protocol/xdata-validate',

// XEP-0124
    BOSH: 'http://jabber.org/protocol/httpbind',

// XEP-0131
    SHIM: 'http://jabber.org/protocol/shim',

// XEP-0138
    COMPRESSION: 'http://jabber.org/features/compress',

// XEP-0141
    DATAFORM_LAYOUT: 'http://jabber.org/protocol/xdata-layout',

// XEP-0144
    ROSTER_EXCHANGE: 'http://jabber.org/protocol/rosterx',

// XEP-0145
    ROSTER_NOTES: 'storage:rosternotes',

// XEP-0152
    REACH_0: 'urn:xmpp:reach:0',

// XEP-0153
    VCARD_TEMP_UPDATE: 'vcard-temp:x:update',

// XEP-0158
    CAPTCHA: 'urn:xmpp:captcha',

// XEP-0166
    JINGLE_1: 'urn:xmpp:jingle:1',
    JINGLE_ERRORS_1: 'urn:xmpp:jingle:errors:1',

// XEP-0167
    JINGLE_RTP_1: 'urn:xmpp:jingle:apps:rtp:1',
    JINGLE_RTP_ERRORS_1: 'urn:xmpp:jingle:apps:rtp:errors:1',
    JINGLE_RTP_INFO_1: 'urn:xmpp:jingle:apps:rtp:info:1',

// XEP-0171
    LANG_TRANS: 'urn:xmpp:langtrans',
    LANG_TRANS_ITEMS: 'urn:xmpp:langtrans:items',

// XEP-0172
    NICK: 'http://jabber.org/protocol/nick',

// XEP-0176
    JINGLE_ICE_UDP_1: 'urn:xmpp:jingle:transports:ice-udp:1',

// XEP-0177
    JINGLE_RAW_UDP_1: 'urn:xmpp:jingle:transports:raw-udp:1',

// XEP-0184
    RECEIPTS: 'urn:xmpp:receipts',

// XEP-0186
    INVISIBLE_0: 'urn:xmpp:invisible:0',

// XEP-0191
    BLOCKING: 'urn:xmpp:blocking',

// XEP-0198
    SMACKS_3: 'urn:xmpp:sm:3',

// XEP-0199
    PING: 'urn:xmpp:ping',

// XEP-0202
    TIME: 'urn:xmpp:time',

// XEP-0203
    DELAY: 'urn:xmpp:delay',

// XEP-0206
    BOSH_XMPP: 'urn:xmpp:xbosh',

// XEP-0215
    DISCO_EXTERNAL_1: 'urn:xmpp:extdisco:1',

// XEP-0221
    DATAFORM_MEDIA: 'urn:xmpp:media-element',

// XEP-0224
    ATTENTION_0: 'urn:xmpp:attention:0',

// XEP-0231
    BOB: 'urn:xmpp:bob',

// XEP-0234
    FILE_TRANSFER_3: 'urn:xmpp:jingle:apps:file-transfer:3',
    FILE_TRANSFER_4: 'urn:xmpp:jingle:apps:file-transfer:4',

// XEP-0249
    MUC_DIRECT_INVITE: 'jabber:x:conference',

// XEP-0258
    SEC_LABEL_0: 'urn:xmpp:sec-label:0',
    SEC_LABEL_CATALOG_2: 'urn:xmpp:sec-label:catalog:2',
    SEC_LABEL_ESS_0: 'urn:xmpp:sec-label:ess:0',

// XEP-0260
    JINGLE_SOCKS5_1: 'urn:xmpp:jingle:transports:s5b:1',

// XEP-0261
    JINGLE_IBB_1: 'urn:xmpp:jingle:transports:ibb:1',

// XEP-0262
    JINGLE_RTP_ZRTP_1: 'urn:xmpp:jingle:apps:rtp:zrtp:1',

// XEP-0264
    THUMBS_0: 'urn:xmpp:thumbs:0',
    THUMBS_1: 'urn:xmpp:thumbs:1',

// XEP-0276
    DECLOAKING_0: 'urn:xmpp:decloaking:0',

// XEP-0280
    CARBONS_2: 'urn:xmpp:carbons:2',

// XEP-0293
    JINGLE_RTP_RTCP_FB_0: 'urn:xmpp:jingle:apps:rtp:rtcp-fb:0',

// XEP-0294
    JINGLE_RTP_HDREXT_0: 'urn:xmpp:jingle:apps:rtp:rtp-hdrext:0',

// XEP-0297
    FORWARD_0: 'urn:xmpp:forward:0',

// XEP-0300
    HASHES_1: 'urn:xmpp:hashes:1',

// XEP-0301
    RTT_0: 'urn:xmpp:rtt:0',

// XEP-0307
    MUC_UNIQUE: 'http://jabber.org/protocol/muc#unique',

// XEP-308
    CORRECTION_0: 'urn:xmpp:message-correct:0',

// XEP-0310
    PSA: 'urn:xmpp:psa',

// XEP-0313
    MAM_TMP: 'urn:xmpp:mam:tmp',
    MAM_0: 'urn:xmpp:mam:0',

// XEP-0317
    HATS_0: 'urn:xmpp:hats:0',

// XEP-0319
    IDLE_1: 'urn:xmpp:idle:1',

// XEP-0320
    JINGLE_DTLS_0: 'urn:xmpp:jingle:apps:dtls:0',

// XEP-0328
    JID_PREP_0: 'urn:xmpp:jidprep:0',

// XEP-0334
    HINTS: 'urn:xmpp:hints',

// XEP-0335
    JSON_0: 'urn:xmpp:json:0',

// XEP-0337
    EVENTLOG: 'urn:xmpp:eventlog',

// XEP-0338
    JINGLE_GROUPING_0: 'urn:xmpp:jingle:apps:grouping:0',

// XEP-0339
    JINGLE_RTP_SSMA_0: 'urn:xmpp:jingle:apps:rtp:ssma:0',

// XEP-0340
    COLIBRI: 'http://jitsi.org/protocol/colibri',

// XEP-0343
    DTLS_SCTP_1: 'urn:xmpp:jingle:transports:dtls-sctp:1',

// XEP-0352
    CSI: 'urn:xmpp:csi',

// XEP-0353
    JINGLE_MSG_INITIATE_0: 'urn:xmpp:jingle:jingle-message:0',

// XEP-0357
    PUSH_0: 'urn:xmpp:push:0',

// XEP-0358
    JINGLE_PUB_1: 'urn:xmpp:jinglepub:1'
};

},{}],132:[function(require,module,exports){
module.exports = {
    Type: {
        SUBSCRIBE: 'subscribe',
        SUBSCRIBED: 'subscribed',
        UNSUBSCRIBE: 'unsubscribe',
        UNSUBSCRIBED: 'unsubscribed',
        PROBE: 'probe',
        UNAVAILABLE: 'unavailable'
    },
    Show: {
        CHAT: 'chat',
        AWAY: 'away',
        DO_NOT_DISTURB: 'dnd',
        EXTENDED_AWAY: 'xa'
    }
};

},{}],133:[function(require,module,exports){
module.exports = {
    Affiliation: {
        MEMBER: 'member',
        NONE: 'none',
        OUTCAST: 'outcast',
        OWNER: 'owner',
        PUBLISHER: 'publisher',
        PUBLISH_ONLY: 'publish-only'
    },
    Subscription: {
        NONE: 'none',
        PENDING: 'pending',
        UNCONFIGURED: 'unconfigured',
        SUBSCRIBED: 'subscribed'
    },
    AccessModel: {
        OPEN: 'open',
        PRESENCE: 'presence',
        ROSTER: 'roster',
        AUTHORIZE: 'authorize',
        WHITELIST: 'whitelist'
    },
    Condition: {
        CONFLICT: 'conflict'
    }
};

},{}],134:[function(require,module,exports){
'use strict';

var StringPrep = require('./lib/stringprep');

// All of our StringPrep fallbacks work correctly
// in the ASCII range, so we can reliably mark
// ASCII-only JIDs as prepped.
var ASCII = /^[\x00-\x7F]*$/;



function bareJID(local, domain) {
    if (local) {
        return local + '@' + domain;
    }
    return domain;
}

function fullJID(local, domain, resource) {
    if (resource) {
        return bareJID(local, domain) + '/' + resource;
    }
    return bareJID(local, domain);
}


exports.prep = function (data) {
    var local = data.local;
    var domain = data.domain;
    var resource = data.resource;
    var unescapedLocal = local;

    if (local) {
        local = StringPrep.nodeprep(local);
        unescapedLocal = exports.unescape(local);
    }

    if (resource) {
        resource = StringPrep.resourceprep(resource);
    }

    if (domain[domain.length - 1] === '.') {
        domain = domain.slice(0, domain.length - 1);
    }

    domain = StringPrep.nameprep(domain.split('.').map(StringPrep.toUnicode).join('.'));

    return {
        prepped: data.prepped || StringPrep.available,
        local: local,
        domain: domain,
        resource: resource,
        bare: bareJID(local, domain),
        full: fullJID(local, domain, resource),
        unescapedLocal: unescapedLocal,
        unescapedBare: bareJID(unescapedLocal, domain),
        unescapedFull: fullJID(unescapedLocal, domain, resource)
    };
};

exports.parse = function (jid, trusted) {
    var local = '';
    var domain = '';
    var resource = '';

    trusted = trusted || ASCII.test(jid);

    var resourceStart = jid.indexOf('/');
    if (resourceStart > 0) {
        resource = jid.slice(resourceStart + 1);
        jid = jid.slice(0, resourceStart);
    }

    var localEnd = jid.indexOf('@');
    if (localEnd > 0) {
        local = jid.slice(0, localEnd);
        jid = jid.slice(localEnd + 1);
    }

    domain = jid;

    var preppedJID = exports.prep({
        local: local,
        domain: domain,
        resource: resource,
    });

    preppedJID.prepped = preppedJID.prepped || trusted;

    return preppedJID;
};

exports.equal = function (jid1, jid2, requirePrep) {
    jid1 = new exports.JID(jid1);
    jid2 = new exports.JID(jid2);
    if (arguments.length === 2) {
        requirePrep = true;
    }
    return jid1.local === jid2.local &&
           jid1.domain === jid2.domain &&
           jid1.resource === jid2.resource &&
           (requirePrep ? jid1.prepped && jid2.prepped : true);
};

exports.equalBare = function (jid1, jid2, requirePrep) {
    jid1 = new exports.JID(jid1);
    jid2 = new exports.JID(jid2);
    if (arguments.length === 2) {
        requirePrep = true;
    }
    return jid1.local === jid2.local &&
           jid1.domain === jid2.domain &&
           (requirePrep ? jid1.prepped && jid2.prepped : true);
};

exports.isBare = function (jid) {
    jid = new exports.JID(jid);

    var hasResource = !!jid.resource;

    return !hasResource;
};

exports.isFull = function (jid) {
    jid = new exports.JID(jid);

    var hasResource = !!jid.resource;

    return hasResource;
};

exports.escape = function (val) {
    return val.replace(/^\s+|\s+$/g, '')
              .replace(/\\5c/g, '\\5c5c')
              .replace(/\\20/g, '\\5c20')
              .replace(/\\22/g, '\\5c22')
              .replace(/\\26/g, '\\5c26')
              .replace(/\\27/g, '\\5c27')
              .replace(/\\2f/g, '\\5c2f')
              .replace(/\\3a/g, '\\5c3a')
              .replace(/\\3c/g, '\\5c3c')
              .replace(/\\3e/g, '\\5c3e')
              .replace(/\\40/g, '\\5c40')
              .replace(/ /g, '\\20')
              .replace(/\"/g, '\\22')
              .replace(/\&/g, '\\26')
              .replace(/\'/g, '\\27')
              .replace(/\//g, '\\2f')
              .replace(/:/g, '\\3a')
              .replace(/</g, '\\3c')
              .replace(/>/g, '\\3e')
              .replace(/@/g, '\\40');
};

exports.unescape = function (val) {
    return val.replace(/\\20/g, ' ')
              .replace(/\\22/g, '"')
              .replace(/\\26/g, '&')
              .replace(/\\27/g, '\'')
              .replace(/\\2f/g, '/')
              .replace(/\\3a/g, ':')
              .replace(/\\3c/g, '<')
              .replace(/\\3e/g, '>')
              .replace(/\\40/g, '@')
              .replace(/\\5c/g, '\\');
};


exports.create = function (local, domain, resource) {
    return new exports.JID(local, domain, resource);
};

exports.JID = function JID(localOrJID, domain, resource) {
    var parsed = {};
    if (localOrJID && !domain && !resource) {
        if (typeof localOrJID === 'string') {
            parsed = exports.parse(localOrJID);
        } else if (localOrJID._isJID || localOrJID instanceof exports.JID) {
            parsed = localOrJID;
        } else {
            throw new Error('Invalid argument type');
        }
    } else if (domain) {
        var trusted = ASCII.test(localOrJID) && ASCII.test(domain);
        if (resource) {
            trusted = trusted && ASCII.test(resource);
        }

        parsed = exports.prep({
            local: exports.escape(localOrJID),
            domain: domain,
            resource: resource,
            prepped: trusted
        });
    } else {
        parsed = {};
    }

    this._isJID = true;

    this.local = parsed.local || '';
    this.domain = parsed.domain || '';
    this.resource = parsed.resource || '';
    this.bare = parsed.bare || '';
    this.full = parsed.full || '';

    this.unescapedLocal = parsed.unescapedLocal || '';
    this.unescapedBare = parsed.unescapedBare || '';
    this.unescapedFull = parsed.unescapedFull || '';

    this.prepped = parsed.prepped;
};

exports.JID.prototype.toString = function () {
    return this.full;
};

exports.JID.prototype.toJSON = function () {
    return this.full;
};

},{"./lib/stringprep":135}],135:[function(require,module,exports){
'use strict';

var punycode = require('punycode');


exports.available = false;

exports.toUnicode = punycode.toUnicode;

exports.nameprep = function (str) {
    return str.toLowerCase();
};

exports.nodeprep = function (str) {
    return str.toLowerCase();
};

exports.resourceprep = function (str) {
    return str;
};

},{"punycode":11}],136:[function(require,module,exports){
'use strict';

var _interopRequireDefault = require('babel-runtime/helpers/interop-require-default')['default'];

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var _lodashForeach = require('lodash.foreach');

var _lodashForeach2 = _interopRequireDefault(_lodashForeach);

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Avatar = JXT.define({
        name: 'avatar',
        namespace: _xmppConstants.Namespace.AVATAR_METADATA,
        element: 'info',
        fields: {
            id: Utils.attribute('id'),
            bytes: Utils.attribute('bytes'),
            height: Utils.attribute('height'),
            width: Utils.attribute('width'),
            type: Utils.attribute('type', 'image/png'),
            url: Utils.attribute('url')
        }
    });

    var avatars = {
        get: function get() {

            var metadata = Utils.find(this.xml, _xmppConstants.Namespace.AVATAR_METADATA, 'metadata');
            var results = [];
            if (metadata.length) {
                var _avatars = Utils.find(metadata[0], _xmppConstants.Namespace.AVATAR_METADATA, 'info');
                (0, _lodashForeach2['default'])(_avatars, function (info) {

                    results.push(new Avatar({}, info));
                });
            }
            return results;
        },
        set: function set(value) {

            var metadata = Utils.findOrCreate(this.xml, _xmppConstants.Namespace.AVATAR_METADATA, 'metadata');
            Utils.setAttribute(metadata, 'xmlns', _xmppConstants.Namespace.AVATAR_METADATA);
            (0, _lodashForeach2['default'])(value, function (info) {

                var avatar = new Avatar(info);
                metadata.appendChild(avatar.xml);
            });
        }
    };

    JXT.withPubsubItem(function (Item) {

        JXT.add(Item, 'avatars', avatars);
        JXT.add(Item, 'avatarData', Utils.textSub(_xmppConstants.Namespace.AVATAR_DATA, 'data'));
    });
};

module.exports = exports['default'];

},{"babel-runtime/helpers/interop-require-default":197,"lodash.foreach":212,"xmpp-constants":220}],137:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Bind = JXT.define({
        name: 'bind',
        namespace: _xmppConstants.Namespace.BIND,
        element: 'bind',
        fields: {
            resource: Utils.textSub(_xmppConstants.Namespace.BIND, 'resource'),
            jid: Utils.jidSub(_xmppConstants.Namespace.BIND, 'jid')
        }
    });

    JXT.extendIQ(Bind);
    JXT.extendStreamFeatures(Bind);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],138:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var _xmppJid = require('xmpp-jid');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var jidList = {
        get: function get() {

            var result = [];
            var items = types.find(this.xml, _xmppConstants.Namespace.BLOCKING, 'item');
            if (!items.length) {
                return result;
            }

            items.forEach(function (item) {

                result.push(new _xmppJid.JID(types.getAttribute(item, 'jid', '')));
            });

            return result;
        },
        set: function set(values) {

            var self = this;
            values.forEach(function (value) {

                var item = types.createElement(_xmppConstants.Namespace.BLOCKING, 'item', _xmppConstants.Namespace.BLOCKING);
                types.setAttribute(item, 'jid', value.toString());
                self.xml.appendChild(item);
            });
        }
    };

    var Block = JXT.define({
        name: 'block',
        namespace: _xmppConstants.Namespace.BLOCKING,
        element: 'block',
        fields: {
            jids: jidList
        }
    });

    var Unblock = JXT.define({
        name: 'unblock',
        namespace: _xmppConstants.Namespace.BLOCKING,
        element: 'unblock',
        fields: {
            jids: jidList
        }
    });

    var BlockList = JXT.define({
        name: 'blockList',
        namespace: _xmppConstants.Namespace.BLOCKING,
        element: 'blocklist',
        fields: {
            jids: jidList
        }
    });

    JXT.extendIQ(Block);
    JXT.extendIQ(Unblock);
    JXT.extendIQ(BlockList);
};

module.exports = exports['default'];

},{"xmpp-constants":220,"xmpp-jid":226}],139:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var BOB = JXT.define({
        name: 'bob',
        namespace: _xmppConstants.Namespace.BOB,
        element: 'data',
        fields: {
            cid: Utils.attribute('cid'),
            maxAge: Utils.numberAttribute('max-age'),
            type: Utils.attribute('type'),
            data: Utils.text()
        }
    });

    JXT.extendIQ(BOB);
    JXT.extendMessage(BOB);
    JXT.extendPresence(BOB);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],140:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Conference = JXT.define({
        name: '_conference',
        namespace: _xmppConstants.Namespace.BOOKMARKS,
        element: 'conference',
        fields: {
            name: Utils.attribute('name'),
            autoJoin: Utils.boolAttribute('autojoin'),
            jid: Utils.jidAttribute('jid'),
            nick: Utils.textSub(_xmppConstants.Namespace.BOOKMARKS, 'nick')
        }
    });

    var Bookmarks = JXT.define({
        name: 'bookmarks',
        namespace: _xmppConstants.Namespace.BOOKMARKS,
        element: 'storage'
    });

    JXT.extend(Bookmarks, Conference, 'conferences');

    JXT.withDefinition('query', _xmppConstants.Namespace.PRIVATE, function (PrivateStorage) {

        JXT.extend(PrivateStorage, Bookmarks);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],141:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    JXT.define({
        name: 'bosh',
        namespace: _xmppConstants.Namespace.BOSH,
        element: 'body',
        prefixes: {
            xmpp: _xmppConstants.Namespace.BOSH_XMPP
        },
        fields: {
            accept: Utils.attribute('accept'),
            ack: Utils.numberAttribute('ack'),
            authid: Utils.attribute('authid'),
            charsets: Utils.attribute('charsets'),
            condition: Utils.attribute('condition'),
            content: Utils.attribute('content'),
            from: Utils.jidAttribute('from', true),
            hold: Utils.numberAttribute('hold'),
            inactivity: Utils.numberAttribute('inactivity'),
            key: Utils.attribute('key'),
            maxpause: Utils.numberAttribute('maxpause'),
            newKey: Utils.attribute('newkey'),
            pause: Utils.numberAttribute('pause'),
            polling: Utils.numberAttribute('polling'),
            resport: Utils.numberAttribute('report'),
            requests: Utils.numberAttribute('requests'),
            rid: Utils.numberAttribute('rid'),
            sid: Utils.attribute('sid'),
            stream: Utils.attribute('stream'),
            time: Utils.attribute('time'),
            to: Utils.jidAttribute('to', true),
            type: Utils.attribute('type'),
            ver: Utils.attribute('ver'),
            wait: Utils.numberAttribute('wait'),
            uri: Utils.textSub(_xmppConstants.Namespace.BOSH, 'uri'),
            lang: Utils.langAttribute(),
            // These three should be using namespaced attributes, but browsers are stupid
            // when it comes to serializing attributes with namespaces
            version: Utils.attribute('xmpp:version', '1.0'),
            restart: Utils.attribute('xmpp:restart'),
            restartLogic: Utils.boolAttribute('xmpp:restartLogic'),
            payload: {
                get: function get() {

                    var results = [];
                    for (var i = 0, len = this.xml.childNodes.length; i < len; i++) {
                        var obj = JXT.build(this.xml.childNodes[i]);
                        if (obj !== undefined) {
                            results.push(obj);
                        }
                    }
                    return results;
                },
                set: function set(values) {
                    var _this = this;

                    values.forEach(function (types) {

                        _this.xml.appendChild(types.xml);
                    });
                }
            }
        }
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],142:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Sent = JXT.define({
        name: 'carbonSent',
        eventName: 'carbon:sent',
        namespace: _xmppConstants.Namespace.CARBONS_2,
        element: 'sent'
    });

    var Received = JXT.define({
        name: 'carbonReceived',
        eventName: 'carbon:received',
        namespace: _xmppConstants.Namespace.CARBONS_2,
        element: 'received'
    });

    var Private = JXT.define({
        name: 'carbonPrivate',
        eventName: 'carbon:private',
        namespace: _xmppConstants.Namespace.CARBONS_2,
        element: 'private'
    });

    var Enable = JXT.define({
        name: 'enableCarbons',
        namespace: _xmppConstants.Namespace.CARBONS_2,
        element: 'enable'
    });

    var Disable = JXT.define({
        name: 'disableCarbons',
        namespace: _xmppConstants.Namespace.CARBONS_2,
        element: 'disable'
    });

    JXT.withDefinition('forwarded', _xmppConstants.Namespace.FORWARD_0, function (Forwarded) {

        JXT.extend(Sent, Forwarded);
        JXT.extend(Received, Forwarded);
    });

    JXT.extendMessage(Sent);
    JXT.extendMessage(Received);
    JXT.extendMessage(Private);
    JXT.extendIQ(Enable);
    JXT.extendIQ(Disable);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],143:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var ACTIONS = ['next', 'prev', 'complete', 'cancel'];

var CONDITIONS = ['bad-action', 'bad-locale', 'bad-payload', 'bad-sessionid', 'malformed-action', 'session-expired'];

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Command = JXT.define({
        name: 'command',
        namespace: _xmppConstants.Namespace.ADHOC_COMMANDS,
        element: 'command',
        fields: {
            action: Utils.attribute('action'),
            node: Utils.attribute('node'),
            sessionid: Utils.attribute('sessionid'),
            status: Utils.attribute('status'),
            execute: Utils.subAttribute(_xmppConstants.Namespace.ADHOC_COMMANDS, 'actions', 'execute'),
            actions: {
                get: function get() {

                    var result = [];
                    var actionSet = Utils.find(this.xml, _xmppConstants.Namespace.ADHOC_COMMANDS, 'actions');
                    if (!actionSet.length) {
                        return [];
                    }
                    ACTIONS.forEach(function (action) {

                        var existing = Utils.find(actionSet[0], _xmppConstants.Namespace.ADHOC_COMMANDS, action);
                        if (existing.length) {
                            result.push(action);
                        }
                    });
                    return result;
                },
                set: function set(values) {

                    var actionSet = Utils.findOrCreate(this.xml, _xmppConstants.Namespace.ADHOC_COMMANDS, 'actions');
                    for (var i = 0, len = actionSet.childNodes.length; i < len; i++) {
                        actionSet.removeChild(actionSet.childNodes[i]);
                    }
                    values.forEach(function (value) {

                        actionSet.appendChild(Utils.createElement(_xmppConstants.Namespace.ADHOC_COMMANDS, value.toLowerCase(), _xmppConstants.Namespace.ADHOC_COMMANDS));
                    });
                }
            }
        }
    });

    var Note = JXT.define({
        name: '_commandNote',
        namespace: _xmppConstants.Namespace.ADHOC_COMMANDS,
        element: 'note',
        fields: {
            type: Utils.attribute('type'),
            value: Utils.text()
        }
    });

    JXT.extend(Command, Note, 'notes');

    JXT.extendIQ(Command);

    JXT.withStanzaError(function (StanzaError) {

        JXT.add(StanzaError, 'adhocCommandCondition', Utils.enumSub(_xmppConstants.Namespace.ADHOC_COMMANDS, CONDITIONS));
    });

    JXT.withDataForm(function (DataForm) {

        JXT.extend(Command, DataForm);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],144:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var CSIFeature = JXT.define({
        name: 'clientStateIndication',
        namespace: _xmppConstants.Namespace.CSI,
        element: 'csi'
    });

    JXT.define({
        name: 'csiActive',
        eventName: 'csi:active',
        namespace: _xmppConstants.Namespace.CSI,
        element: 'active',
        topLevel: true
    });

    JXT.define({
        name: 'csiInactive',
        eventName: 'csi:inactive',
        namespace: _xmppConstants.Namespace.CSI,
        element: 'inactive',
        topLevel: true
    });

    JXT.extendStreamFeatures(CSIFeature);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],145:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var _xmppJid = require('xmpp-jid');

var SINGLE_FIELDS = ['text-single', 'text-private', 'list-single', 'jid-single'];

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Field = JXT.define({
        name: '_field',
        namespace: _xmppConstants.Namespace.DATAFORM,
        element: 'field',
        init: function init(data) {

            this._type = (data || {}).type || this.type;
        },
        fields: {
            type: {
                get: function get() {

                    return Utils.getAttribute(this.xml, 'type', 'text-single');
                },
                set: function set(value) {

                    this._type = value;
                    Utils.setAttribute(this.xml, 'type', value);
                }
            },
            name: Utils.attribute('var'),
            desc: Utils.textSub(_xmppConstants.Namespace.DATAFORM, 'desc'),
            required: Utils.boolSub(_xmppConstants.Namespace.DATAFORM, 'required'),
            label: Utils.attribute('label'),
            value: {
                get: function get() {

                    var vals = Utils.getMultiSubText(this.xml, _xmppConstants.Namespace.DATAFORM, 'value');
                    if (this._type === 'boolean') {
                        return vals[0] === '1' || vals[0] === 'true';
                    }
                    if (vals.length > 1) {
                        if (this._type === 'text-multi') {
                            return vals.join('\n');
                        }

                        if (this._type === 'jid-multi') {
                            return vals.map(function (jid) {

                                return new _xmppJid.JID(jid);
                            });
                        }

                        return vals;
                    }
                    if (SINGLE_FIELDS.indexOf(this._type) >= 0) {
                        if (this._type === 'jid-single') {
                            return new _xmppJid.JID(vals[0]);
                        }
                        return vals[0];
                    }

                    return vals;
                },
                set: function set(value) {

                    if (this._type === 'boolean' || value === true || value === false) {
                        var truthy = value === true || value === 'true' || value === '1';
                        var sub = Utils.createElement(_xmppConstants.Namespace.DATAFORM, 'value', _xmppConstants.Namespace.DATAFORM);
                        sub.textContent = truthy ? '1' : '0';
                        this.xml.appendChild(sub);
                    } else {
                        if (this._type === 'text-multi' && typeof value === 'string') {
                            value = value.split('\n');
                        }
                        Utils.setMultiSubText(this.xml, _xmppConstants.Namespace.DATAFORM, 'value', value, (function (val) {

                            var sub = Utils.createElement(_xmppConstants.Namespace.DATAFORM, 'value', _xmppConstants.Namespace.DATAFORM);
                            sub.textContent = val;
                            this.xml.appendChild(sub);
                        }).bind(this));
                    }
                }
            }
        }
    });

    var Option = JXT.define({
        name: '_formoption',
        namespace: _xmppConstants.Namespace.DATAFORM,
        element: 'option',
        fields: {
            label: Utils.attribute('label'),
            value: Utils.textSub(_xmppConstants.Namespace.DATAFORM, 'value')
        }
    });

    var Item = JXT.define({
        name: '_formitem',
        namespace: _xmppConstants.Namespace.DATAFORM,
        element: 'item'
    });

    var Media = JXT.define({
        name: 'media',
        element: 'media',
        namespace: _xmppConstants.Namespace.DATAFORM_MEDIA,
        fields: {
            height: Utils.numberAttribute('height'),
            width: Utils.numberAttribute('width')
        }
    });

    var MediaURI = JXT.define({
        name: '_mediaURI',
        element: 'uri',
        namespace: _xmppConstants.Namespace.DATAFORM_MEDIA,
        fields: {
            uri: Utils.text(),
            type: Utils.attribute('type')
        }
    });

    var Validation = JXT.define({
        name: 'validation',
        element: 'validate',
        namespace: _xmppConstants.Namespace.DATAFORM_VALIDATION,
        fields: {
            dataType: Utils.attribute('datatype'),
            basic: Utils.boolSub(_xmppConstants.Namespace.DATAFORM_VALIDATION, 'basic'),
            open: Utils.boolSub(_xmppConstants.Namespace.DATAFORM_VALIDATION, 'open'),
            regex: Utils.textSub(_xmppConstants.Namespace.DATAFORM_VALIDATION, 'regex')
        }
    });

    var Range = JXT.define({
        name: 'range',
        element: 'range',
        namespace: _xmppConstants.Namespace.DATAFORM_VALIDATION,
        fields: {
            min: Utils.attribute('min'),
            max: Utils.attribute('max')
        }
    });

    var ListRange = JXT.define({
        name: 'select',
        element: 'list-range',
        namespace: _xmppConstants.Namespace.DATAFORM_VALIDATION,
        fields: {
            min: Utils.numberAttribute('min'),
            max: Utils.numberAttribute('max')
        }
    });

    var layoutContents = {
        get: function get() {

            var result = [];
            for (var i = 0, len = this.xml.childNodes.length; i < len; i++) {
                var child = this.xml.childNodes[i];
                if (child.namespaceURI !== _xmppConstants.Namespace.DATAFORM_LAYOUT) {
                    continue;
                }

                switch (child.localName) {
                    case 'text':
                        result.push({
                            text: child.textContent
                        });
                        break;
                    case 'fieldref':
                        result.push({
                            field: child.getAttribute('var')
                        });
                        break;
                    case 'reportedref':
                        result.push({
                            reported: true
                        });
                        break;
                    case 'section':
                        result.push({
                            section: new Section(null, child, this).toJSON()
                        });
                        break;
                }
            }

            return result;
        },
        set: function set(values) {

            for (var i = 0, len = values.length; i < len; i++) {
                var value = values[i];
                if (value.text) {
                    var text = Utils.createElement(_xmppConstants.Namespace.DATAFORM_LAYOUT, 'text', _xmppConstants.Namespace.DATAFORM_LAYOUT);
                    text.textContent = value.text;
                    this.xml.appendChild(text);
                }
                if (value.field) {
                    var field = Utils.createElement(_xmppConstants.Namespace.DATAFORM_LAYOUT, 'fieldref', _xmppConstants.Namespace.DATAFORM_LAYOUT);
                    field.setAttribute('var', value.field);
                    this.xml.appendChild(field);
                }
                if (value.reported) {
                    this.xml.appendChild(Utils.createElement(_xmppConstants.Namespace.DATAFORM_LAYOUT, 'reportedref', _xmppConstants.Namespace.DATAFORM_LAYOUT));
                }
                if (value.section) {
                    var sectionXML = Utils.createElement(_xmppConstants.Namespace.DATAFORM_LAYOUT, 'section', _xmppConstants.Namespace.DATAFORM_LAYOUT);
                    this.xml.appendChild(sectionXML);

                    var section = new Section(null, sectionXML);
                    section.label = value.section.label;
                    section.contents = value.section.contents;
                }
            }
        }
    };

    var Section = JXT.define({
        name: '_section',
        element: 'section',
        namespace: _xmppConstants.Namespace.DATAFORM_LAYOUT,
        fields: {
            label: Utils.attribute('label'),
            contents: layoutContents
        }
    });

    var Page = JXT.define({
        name: '_page',
        element: 'page',
        namespace: _xmppConstants.Namespace.DATAFORM_LAYOUT,
        fields: {
            label: Utils.attribute('label'),
            contents: layoutContents
        }
    });

    var DataForm = JXT.define({
        name: 'form',
        namespace: _xmppConstants.Namespace.DATAFORM,
        element: 'x',
        init: function init() {

            // Propagate reported field types to items

            if (!this.reportedFields.length) {
                return;
            }

            var fieldTypes = {};
            this.reportedFields.forEach(function (reported) {

                fieldTypes[reported.name] = reported.type;
            });
            this.items.forEach(function (item) {

                item.fields.forEach(function (field) {

                    field.type = field._type = fieldTypes[field.name];
                });
            });
        },
        fields: {
            title: Utils.textSub(_xmppConstants.Namespace.DATAFORM, 'title'),
            instructions: Utils.multiTextSub(_xmppConstants.Namespace.DATAFORM, 'instructions'),
            type: Utils.attribute('type', 'form'),
            reportedFields: Utils.subMultiExtension(_xmppConstants.Namespace.DATAFORM, 'reported', Field)
        }
    });

    JXT.extend(DataForm, Field, 'fields');
    JXT.extend(DataForm, Item, 'items');
    JXT.extend(DataForm, Page, 'layout');

    JXT.extend(Field, Media);
    JXT.extend(Field, Validation);
    JXT.extend(Field, Option, 'options');

    JXT.extend(Item, Field, 'fields');

    JXT.extend(Media, MediaURI, 'uris');
    JXT.extend(Validation, Range);
    JXT.extend(Validation, ListRange);

    JXT.extendMessage(DataForm);
};

module.exports = exports['default'];

},{"xmpp-constants":220,"xmpp-jid":226}],146:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var DelayedDelivery = JXT.define({
        name: 'delay',
        namespace: _xmppConstants.Namespace.DELAY,
        element: 'delay',
        fields: {
            from: Utils.jidAttribute('from'),
            stamp: Utils.dateAttribute('stamp'),
            reason: Utils.text()
        }
    });

    JXT.extendMessage(DelayedDelivery);
    JXT.extendPresence(DelayedDelivery);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],147:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var DiscoCaps = JXT.define({
        name: 'caps',
        namespace: _xmppConstants.Namespace.CAPS,
        element: 'c',
        fields: {
            ver: Utils.attribute('ver'),
            node: Utils.attribute('node'),
            hash: Utils.attribute('hash'),
            ext: Utils.attribute('ext')
        }
    });

    var DiscoInfo = JXT.define({
        name: 'discoInfo',
        namespace: _xmppConstants.Namespace.DISCO_INFO,
        element: 'query',
        fields: {
            node: Utils.attribute('node'),
            features: Utils.multiSubAttribute(_xmppConstants.Namespace.DISCO_INFO, 'feature', 'var')
        }
    });

    var DiscoIdentity = JXT.define({
        name: '_discoIdentity',
        namespace: _xmppConstants.Namespace.DISCO_INFO,
        element: 'identity',
        fields: {
            category: Utils.attribute('category'),
            type: Utils.attribute('type'),
            name: Utils.attribute('name'),
            lang: Utils.langAttribute()
        }
    });

    var DiscoItems = JXT.define({
        name: 'discoItems',
        namespace: _xmppConstants.Namespace.DISCO_ITEMS,
        element: 'query',
        fields: {
            node: Utils.attribute('node')
        }
    });

    var DiscoItem = JXT.define({
        name: '_discoItem',
        namespace: _xmppConstants.Namespace.DISCO_ITEMS,
        element: 'item',
        fields: {
            jid: Utils.jidAttribute('jid'),
            node: Utils.attribute('node'),
            name: Utils.attribute('name')
        }
    });

    JXT.extend(DiscoItems, DiscoItem, 'items');
    JXT.extend(DiscoInfo, DiscoIdentity, 'identities');

    JXT.extendIQ(DiscoInfo);
    JXT.extendIQ(DiscoItems);
    JXT.extendPresence(DiscoCaps);
    JXT.extendStreamFeatures(DiscoCaps);

    JXT.withDataForm(function (DataForm) {

        JXT.extend(DiscoInfo, DataForm, 'extensions');
    });

    JXT.withDefinition('set', _xmppConstants.Namespace.RSM, function (RSM) {

        JXT.extend(DiscoItems, RSM);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],148:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var CONDITIONS = ['bad-request', 'conflict', 'feature-not-implemented', 'forbidden', 'gone', 'internal-server-error', 'item-not-found', 'jid-malformed', 'not-acceptable', 'not-allowed', 'not-authorized', 'payment-required', 'recipient-unavailable', 'redirect', 'registration-required', 'remote-server-not-found', 'remote-server-timeout', 'resource-constraint', 'service-unavailable', 'subscription-required', 'undefined-condition', 'unexpected-request'];

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var StanzaError = JXT.define({
        name: 'error',
        namespace: _xmppConstants.Namespace.CLIENT,
        element: 'error',
        fields: {
            lang: {
                get: function get() {

                    return (this.parent || {}).lang || '';
                }
            },
            condition: Utils.enumSub(_xmppConstants.Namespace.STANZA_ERROR, CONDITIONS),
            gone: {
                get: function get() {

                    return Utils.getSubText(this.xml, _xmppConstants.Namespace.STANZA_ERROR, 'gone');
                },
                set: function set(value) {

                    this.condition = 'gone';
                    Utils.setSubText(this.xml, _xmppConstants.Namespace.STANZA_ERROR, 'gone', value);
                }
            },
            redirect: {
                get: function get() {

                    return Utils.getSubText(this.xml, _xmppConstants.Namespace.STANZA_ERROR, 'redirect');
                },
                set: function set(value) {

                    this.condition = 'redirect';
                    Utils.setSubText(this.xml, _xmppConstants.Namespace.STANZA_ERROR, 'redirect', value);
                }
            },
            code: Utils.attribute('code'),
            type: Utils.attribute('type'),
            by: Utils.jidAttribute('by'),
            $text: {
                get: function get() {

                    return Utils.getSubLangText(this.xml, _xmppConstants.Namespace.STANZA_ERROR, 'text', this.lang);
                }
            },
            text: {
                get: function get() {

                    var text = this.$text;
                    return text[this.lang] || '';
                },
                set: function set(value) {

                    Utils.setSubLangText(this.xml, _xmppConstants.Namespace.STANZA_ERROR, 'text', value, this.lang);
                }
            }
        }
    });

    JXT.extendMessage(StanzaError);
    JXT.extendPresence(StanzaError);
    JXT.extendIQ(StanzaError);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],149:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Services = exports.Services = JXT.define({
        name: 'services',
        namespace: _xmppConstants.Namespace.DISCO_EXTERNAL_1,
        element: 'services',
        fields: {
            type: Utils.attribute('type')
        }
    });

    var Credentials = exports.Credentials = JXT.define({
        name: 'credentials',
        namespace: _xmppConstants.Namespace.DISCO_EXTERNAL_1,
        element: 'credentials'
    });

    var Service = JXT.define({
        name: 'service',
        namespace: _xmppConstants.Namespace.DISCO_EXTERNAL_1,
        element: 'service',
        fields: {
            host: Utils.attribute('host'),
            port: Utils.attribute('port'),
            transport: Utils.attribute('transport'),
            type: Utils.attribute('type'),
            username: Utils.attribute('username'),
            password: Utils.attribute('password')
        }
    });

    JXT.extend(Services, Service, 'services');
    JXT.extend(Credentials, Service);

    JXT.extendIQ(Services);
    JXT.extendIQ(Credentials);

    JXT.withDataForm(function (DataForm) {

        JXT.extend(Service, DataForm);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],150:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var FT_NS = _xmppConstants.Namespace.FILE_TRANSFER_3;

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var File = JXT.define({
        name: '_file',
        namespace: FT_NS,
        element: 'file',
        fields: {
            name: Utils.textSub(FT_NS, 'name'),
            desc: Utils.textSub(FT_NS, 'desc'),
            size: Utils.numberSub(FT_NS, 'size'),
            date: Utils.dateSub(FT_NS, 'date')
        }
    });

    var Range = JXT.define({
        name: 'range',
        namespace: FT_NS,
        element: 'range',
        fields: {
            offset: Utils.numberAttribute('offset')
        }
    });

    var Thumbnail = JXT.define({
        name: 'thumbnail',
        namespace: _xmppConstants.Namespace.THUMBS_0,
        element: 'thumbnail',
        fields: {
            cid: Utils.attribute('cid'),
            mimeType: Utils.attribute('mime-type'),
            width: Utils.numberAttribute('width'),
            height: Utils.numberAttribute('height')
        }
    });

    var FileTransfer = JXT.define({
        name: '_filetransfer',
        namespace: FT_NS,
        element: 'description',
        tags: ['jingle-description'],
        fields: {
            descType: { value: 'filetransfer' },
            offer: Utils.subExtension('offer', FT_NS, 'offer', File),
            request: Utils.subExtension('request', FT_NS, 'request', File)
        }
    });

    JXT.extend(File, Range);
    JXT.extend(File, Thumbnail);

    JXT.withDefinition('hash', _xmppConstants.Namespace.HASHES_1, function (Hash) {

        JXT.extend(File, Hash, 'hashes');
    });

    JXT.withDefinition('content', _xmppConstants.Namespace.JINGLE_1, function (Content) {

        JXT.extend(Content, FileTransfer);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],151:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Forwarded = JXT.define({
        name: 'forwarded',
        namespace: _xmppConstants.Namespace.FORWARD_0,
        element: 'forwarded'
    });

    JXT.extendIQ(Forwarded);
    JXT.extendPresence(Forwarded);

    JXT.withMessage(function (Message) {

        JXT.extend(Message, Forwarded);
        JXT.extend(Forwarded, Message);
    });

    JXT.withDefinition('delay', _xmppConstants.Namespace.DELAY, function (Delayed) {

        JXT.extend(Forwarded, Delayed);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],152:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    JXT.define({
        name: 'openStream',
        namespace: _xmppConstants.Namespace.FRAMING,
        element: 'open',
        topLevel: true,
        fields: {
            lang: Utils.langAttribute(),
            id: Utils.attribute('id'),
            version: Utils.attribute('version', '1.0'),
            to: Utils.jidAttribute('to', true),
            from: Utils.jidAttribute('from', true)
        }
    });

    JXT.define({
        name: 'closeStream',
        namespace: _xmppConstants.Namespace.FRAMING,
        element: 'close',
        topLevel: true,
        fields: {
            seeOtherURI: Utils.attribute('see-other-uri')
        }
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],153:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var GeoLoc = JXT.define({
        name: 'geoloc',
        namespace: _xmppConstants.Namespace.GEOLOC,
        element: 'geoloc',
        fields: {
            accuracy: Utils.numberSub(_xmppConstants.Namespace.GEOLOC, 'accuracy', true),
            altitude: Utils.numberSub(_xmppConstants.Namespace.GEOLOC, 'alt', true),
            area: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'area'),
            heading: Utils.numberSub(_xmppConstants.Namespace.GEOLOC, 'bearing', true),
            bearing: Utils.numberSub(_xmppConstants.Namespace.GEOLOC, 'bearing', true),
            building: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'building'),
            country: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'country'),
            countrycode: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'countrycode'),
            datum: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'datum'),
            description: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'description'),
            error: Utils.numberSub(_xmppConstants.Namespace.GEOLOC, 'error', true),
            floor: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'floor'),
            latitude: Utils.numberSub(_xmppConstants.Namespace.GEOLOC, 'lat', true),
            locality: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'locality'),
            longitude: Utils.numberSub(_xmppConstants.Namespace.GEOLOC, 'lon', true),
            postalcode: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'postalcode'),
            region: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'region'),
            room: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'room'),
            speed: Utils.numberSub(_xmppConstants.Namespace.GEOLOC, 'speed', true),
            street: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'street'),
            text: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'text'),
            timestamp: Utils.dateSub(_xmppConstants.Namespace.GEOLOC, 'timestamp'),
            tzo: Utils.tzoSub(_xmppConstants.Namespace.GEOLOC, 'tzo'),
            uri: Utils.textSub(_xmppConstants.Namespace.GEOLOC, 'uri')
        }
    });

    JXT.extendPubsubItem(GeoLoc);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],154:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    JXT.define({
        name: 'hash',
        namespace: _xmppConstants.Namespace.HASHES_1,
        element: 'hash',
        fields: {
            algo: JXT.utils.attribute('algo'),
            value: JXT.utils.text()
        }
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],155:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Hat = JXT.define({
        name: '_hat',
        namespace: _xmppConstants.Namespace.HATS_0,
        element: 'hat',
        fields: {
            lang: JXT.utils.langAttribute(),
            name: JXT.utils.attribute('name'),
            displayName: JXT.utils.attribute('displayName')
        }
    });

    JXT.withPresence(function (Presence) {

        JXT.add(Presence, 'hats', JXT.utils.subMultiExtension(_xmppConstants.Namespace.HATS_0, 'hats', Hat));
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],156:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var ICE = JXT.define({
        name: '_iceUdp',
        namespace: _xmppConstants.Namespace.JINGLE_ICE_UDP_1,
        element: 'transport',
        tags: ['jingle-transport'],
        fields: {
            transType: { value: 'iceUdp' },
            pwd: Utils.attribute('pwd'),
            ufrag: Utils.attribute('ufrag')
        }
    });

    var RemoteCandidate = JXT.define({
        name: 'remoteCandidate',
        namespace: _xmppConstants.Namespace.JINGLE_ICE_UDP_1,
        element: 'remote-candidate',
        fields: {
            component: Utils.attribute('component'),
            ip: Utils.attribute('ip'),
            port: Utils.attribute('port')
        }
    });

    var Candidate = JXT.define({
        name: '_iceUdpCandidate',
        namespace: _xmppConstants.Namespace.JINGLE_ICE_UDP_1,
        element: 'candidate',
        fields: {
            component: Utils.attribute('component'),
            foundation: Utils.attribute('foundation'),
            generation: Utils.attribute('generation'),
            id: Utils.attribute('id'),
            ip: Utils.attribute('ip'),
            network: Utils.attribute('network'),
            port: Utils.attribute('port'),
            priority: Utils.attribute('priority'),
            protocol: Utils.attribute('protocol'),
            relAddr: Utils.attribute('rel-addr'),
            relPort: Utils.attribute('rel-port'),
            tcpType: Utils.attribute('tcptype'),
            type: Utils.attribute('type')
        }
    });

    var Fingerprint = JXT.define({
        name: '_iceFingerprint',
        namespace: _xmppConstants.Namespace.JINGLE_DTLS_0,
        element: 'fingerprint',
        fields: {
            hash: Utils.attribute('hash'),
            setup: Utils.attribute('setup'),
            value: Utils.text(),
            required: Utils.boolAttribute('required')
        }
    });

    var SctpMap = JXT.define({
        name: '_sctpMap',
        namespace: _xmppConstants.Namespace.DTLS_SCTP_1,
        element: 'sctpmap',
        fields: {
            number: Utils.attribute('number'),
            protocol: Utils.attribute('protocol'),
            streams: Utils.attribute('streams')
        }
    });

    JXT.extend(ICE, Candidate, 'candidates');
    JXT.extend(ICE, RemoteCandidate);
    JXT.extend(ICE, Fingerprint, 'fingerprints');
    JXT.extend(ICE, SctpMap, 'sctp');

    JXT.withDefinition('content', _xmppConstants.Namespace.JINGLE_1, function (Content) {

        JXT.extend(Content, ICE);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],157:[function(require,module,exports){
'use strict';

var _interopRequireDefault = require('babel-runtime/helpers/interop-require-default')['default'];

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _avatar = require('./avatar');

var _avatar2 = _interopRequireDefault(_avatar);

var _bind = require('./bind');

var _bind2 = _interopRequireDefault(_bind);

var _blocking = require('./blocking');

var _blocking2 = _interopRequireDefault(_blocking);

var _bob = require('./bob');

var _bob2 = _interopRequireDefault(_bob);

var _bookmarks = require('./bookmarks');

var _bookmarks2 = _interopRequireDefault(_bookmarks);

var _bosh = require('./bosh');

var _bosh2 = _interopRequireDefault(_bosh);

var _carbons = require('./carbons');

var _carbons2 = _interopRequireDefault(_carbons);

var _command = require('./command');

var _command2 = _interopRequireDefault(_command);

var _csi = require('./csi');

var _csi2 = _interopRequireDefault(_csi);

var _dataforms = require('./dataforms');

var _dataforms2 = _interopRequireDefault(_dataforms);

var _delayed = require('./delayed');

var _delayed2 = _interopRequireDefault(_delayed);

var _disco = require('./disco');

var _disco2 = _interopRequireDefault(_disco);

var _error = require('./error');

var _error2 = _interopRequireDefault(_error);

var _extdisco = require('./extdisco');

var _extdisco2 = _interopRequireDefault(_extdisco);

var _file = require('./file');

var _file2 = _interopRequireDefault(_file);

var _forwarded = require('./forwarded');

var _forwarded2 = _interopRequireDefault(_forwarded);

var _framing = require('./framing');

var _framing2 = _interopRequireDefault(_framing);

var _geoloc = require('./geoloc');

var _geoloc2 = _interopRequireDefault(_geoloc);

var _hash = require('./hash');

var _hash2 = _interopRequireDefault(_hash);

var _hats = require('./hats');

var _hats2 = _interopRequireDefault(_hats);

var _iceUdp = require('./iceUdp');

var _iceUdp2 = _interopRequireDefault(_iceUdp);

var _iq = require('./iq');

var _iq2 = _interopRequireDefault(_iq);

var _jidprep = require('./jidprep');

var _jidprep2 = _interopRequireDefault(_jidprep);

var _jingle = require('./jingle');

var _jingle2 = _interopRequireDefault(_jingle);

var _json = require('./json');

var _json2 = _interopRequireDefault(_json);

var _logging = require('./logging');

var _logging2 = _interopRequireDefault(_logging);

var _mam = require('./mam');

var _mam2 = _interopRequireDefault(_mam);

var _message = require('./message');

var _message2 = _interopRequireDefault(_message);

var _mood = require('./mood');

var _mood2 = _interopRequireDefault(_mood);

var _muc = require('./muc');

var _muc2 = _interopRequireDefault(_muc);

var _nick = require('./nick');

var _nick2 = _interopRequireDefault(_nick);

var _oob = require('./oob');

var _oob2 = _interopRequireDefault(_oob);

var _ping = require('./ping');

var _ping2 = _interopRequireDefault(_ping);

var _presence = require('./presence');

var _presence2 = _interopRequireDefault(_presence);

var _private = require('./private');

var _private2 = _interopRequireDefault(_private);

var _psa = require('./psa');

var _psa2 = _interopRequireDefault(_psa);

var _pubsub = require('./pubsub');

var _pubsub2 = _interopRequireDefault(_pubsub);

var _pubsubError = require('./pubsubError');

var _pubsubError2 = _interopRequireDefault(_pubsubError);

var _pubsubEvents = require('./pubsubEvents');

var _pubsubEvents2 = _interopRequireDefault(_pubsubEvents);

var _pubsubOwner = require('./pubsubOwner');

var _pubsubOwner2 = _interopRequireDefault(_pubsubOwner);

var _push = require('./push');

var _push2 = _interopRequireDefault(_push);

var _reach = require('./reach');

var _reach2 = _interopRequireDefault(_reach);

var _register = require('./register');

var _register2 = _interopRequireDefault(_register);

var _roster = require('./roster');

var _roster2 = _interopRequireDefault(_roster);

var _rsm = require('./rsm');

var _rsm2 = _interopRequireDefault(_rsm);

var _rtp = require('./rtp');

var _rtp2 = _interopRequireDefault(_rtp);

var _rtt = require('./rtt');

var _rtt2 = _interopRequireDefault(_rtt);

var _sasl = require('./sasl');

var _sasl2 = _interopRequireDefault(_sasl);

var _session = require('./session');

var _session2 = _interopRequireDefault(_session);

var _shim = require('./shim');

var _shim2 = _interopRequireDefault(_shim);

var _sm = require('./sm');

var _sm2 = _interopRequireDefault(_sm);

var _stream = require('./stream');

var _stream2 = _interopRequireDefault(_stream);

var _streamError = require('./streamError');

var _streamError2 = _interopRequireDefault(_streamError);

var _streamFeatures = require('./streamFeatures');

var _streamFeatures2 = _interopRequireDefault(_streamFeatures);

var _time = require('./time');

var _time2 = _interopRequireDefault(_time);

var _tune = require('./tune');

var _tune2 = _interopRequireDefault(_tune);

var _vcard = require('./vcard');

var _vcard2 = _interopRequireDefault(_vcard);

var _version = require('./version');

var _version2 = _interopRequireDefault(_version);

var _visibility = require('./visibility');

var _visibility2 = _interopRequireDefault(_visibility);

exports['default'] = function (JXT) {

    JXT.use(_avatar2['default']);
    JXT.use(_bind2['default']);
    JXT.use(_blocking2['default']);
    JXT.use(_bob2['default']);
    JXT.use(_bookmarks2['default']);
    JXT.use(_bosh2['default']);
    JXT.use(_carbons2['default']);
    JXT.use(_command2['default']);
    JXT.use(_csi2['default']);
    JXT.use(_dataforms2['default']);
    JXT.use(_delayed2['default']);
    JXT.use(_disco2['default']);
    JXT.use(_error2['default']);
    JXT.use(_extdisco2['default']);
    JXT.use(_file2['default']);
    JXT.use(_forwarded2['default']);
    JXT.use(_framing2['default']);
    JXT.use(_geoloc2['default']);
    JXT.use(_hash2['default']);
    JXT.use(_hats2['default']);
    JXT.use(_iceUdp2['default']);
    JXT.use(_iq2['default']);
    JXT.use(_jidprep2['default']);
    JXT.use(_jingle2['default']);
    JXT.use(_json2['default']);
    JXT.use(_logging2['default']);
    JXT.use(_mam2['default']);
    JXT.use(_message2['default']);
    JXT.use(_mood2['default']);
    JXT.use(_muc2['default']);
    JXT.use(_nick2['default']);
    JXT.use(_oob2['default']);
    JXT.use(_ping2['default']);
    JXT.use(_presence2['default']);
    JXT.use(_private2['default']);
    JXT.use(_psa2['default']);
    JXT.use(_pubsub2['default']);
    JXT.use(_pubsubError2['default']);
    JXT.use(_pubsubEvents2['default']);
    JXT.use(_pubsubOwner2['default']);
    JXT.use(_push2['default']);
    JXT.use(_reach2['default']);
    JXT.use(_register2['default']);
    JXT.use(_roster2['default']);
    JXT.use(_rsm2['default']);
    JXT.use(_rtp2['default']);
    JXT.use(_rtt2['default']);
    JXT.use(_sasl2['default']);
    JXT.use(_session2['default']);
    JXT.use(_shim2['default']);
    JXT.use(_sm2['default']);
    JXT.use(_stream2['default']);
    JXT.use(_streamError2['default']);
    JXT.use(_streamFeatures2['default']);
    JXT.use(_time2['default']);
    JXT.use(_tune2['default']);
    JXT.use(_vcard2['default']);
    JXT.use(_version2['default']);
    JXT.use(_visibility2['default']);
};

module.exports = exports['default'];

},{"./avatar":136,"./bind":137,"./blocking":138,"./bob":139,"./bookmarks":140,"./bosh":141,"./carbons":142,"./command":143,"./csi":144,"./dataforms":145,"./delayed":146,"./disco":147,"./error":148,"./extdisco":149,"./file":150,"./forwarded":151,"./framing":152,"./geoloc":153,"./hash":154,"./hats":155,"./iceUdp":156,"./iq":158,"./jidprep":159,"./jingle":160,"./json":161,"./logging":162,"./mam":163,"./message":164,"./mood":165,"./muc":166,"./nick":167,"./oob":168,"./ping":169,"./presence":170,"./private":171,"./psa":172,"./pubsub":173,"./pubsubError":174,"./pubsubEvents":175,"./pubsubOwner":176,"./push":177,"./reach":178,"./register":179,"./roster":180,"./rsm":181,"./rtp":182,"./rtt":183,"./sasl":184,"./session":185,"./shim":186,"./sm":187,"./stream":188,"./streamError":189,"./streamFeatures":190,"./time":191,"./tune":192,"./vcard":193,"./version":194,"./visibility":195,"babel-runtime/helpers/interop-require-default":197}],158:[function(require,module,exports){
'use strict';

var _Object$assign = require('babel-runtime/core-js/object/assign')['default'];

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var internals = {};

internals.defineIQ = function (JXT, name, namespace) {

    var Utils = JXT.utils;

    var IQ = JXT.define({
        name: name,
        namespace: namespace,
        element: 'iq',
        topLevel: true,
        fields: {
            lang: Utils.langAttribute(),
            id: Utils.attribute('id'),
            to: Utils.jidAttribute('to', true),
            from: Utils.jidAttribute('from', true),
            type: Utils.attribute('type')
        }
    });

    var _toJSON = IQ.prototype.toJSON;

    _Object$assign(IQ.prototype, {
        toJSON: function toJSON() {

            var result = _toJSON.call(this);
            result.resultReply = this.resultReply;
            result.errorReply = this.errorReply;
            return result;
        },

        resultReply: function resultReply(data) {

            data = data || {};
            data.to = this.from;
            data.id = this.id;
            data.type = 'result';
            return new IQ(data);
        },

        errorReply: function errorReply(data) {

            data = data || {};
            data.to = this.from;
            data.id = this.id;
            data.type = 'error';
            return new IQ(data);
        }
    });
};

exports['default'] = function (JXT) {

    internals.defineIQ(JXT, 'iq', _xmppConstants.Namespace.CLIENT);
    internals.defineIQ(JXT, 'serverIQ', _xmppConstants.Namespace.SERVER);
    internals.defineIQ(JXT, 'componentIQ', _xmppConstants.Namespace.COMPONENT);
};

module.exports = exports['default'];

},{"babel-runtime/core-js/object/assign":196,"xmpp-constants":220}],159:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var _xmppJid = require('xmpp-jid');

exports['default'] = function (JXT) {

    JXT.withIQ(function (IQ) {

        JXT.add(IQ, 'jidPrep', {
            get: function get() {

                var data = JXT.utils.getSubText(this.xml, _xmppConstants.Namespace.JID_PREP_0, 'jid');
                if (data) {
                    var jid = new _xmppJid.JID(data);
                    jid.prepped = true;
                    return jid;
                }
            },
            set: function set(value) {

                JXT.utils.setSubText(this.xml, _xmppConstants.Namespace.JID_PREP_0, 'jid', (value || '').toString());
            }
        });
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220,"xmpp-jid":226}],160:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var CONDITIONS = ['out-of-order', 'tie-break', 'unknown-session', 'unsupported-info'];
var REASONS = ['alternative-session', 'busy', 'cancel', 'connectivity-error', 'decline', 'expired', 'failed-application', 'failed-transport', 'general-error', 'gone', 'incompatible-parameters', 'media-error', 'security-error', 'success', 'timeout', 'unsupported-applications', 'unsupported-transports'];

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Jingle = JXT.define({
        name: 'jingle',
        namespace: _xmppConstants.Namespace.JINGLE_1,
        element: 'jingle',
        fields: {
            action: Utils.attribute('action'),
            initiator: Utils.attribute('initiator'),
            responder: Utils.attribute('responder'),
            sid: Utils.attribute('sid')
        }
    });

    var Content = JXT.define({
        name: '_jingleContent',
        namespace: _xmppConstants.Namespace.JINGLE_1,
        element: 'content',
        fields: {
            creator: Utils.attribute('creator'),
            disposition: Utils.attribute('disposition', 'session'),
            name: Utils.attribute('name'),
            senders: Utils.attribute('senders', 'both'),
            description: {
                get: function get() {

                    var opts = JXT.tagged('jingle-description').map(function (Description) {

                        return Description.prototype._name;
                    });
                    for (var i = 0, len = opts.length; i < len; i++) {
                        if (this._extensions[opts[i]]) {
                            return this._extensions[opts[i]];
                        }
                    }
                },
                set: function set(value) {

                    var ext = '_' + value.descType;
                    this[ext] = value;
                }
            },
            transport: {
                get: function get() {

                    var opts = JXT.tagged('jingle-transport').map(function (Transport) {

                        return Transport.prototype._name;
                    });
                    for (var i = 0, len = opts.length; i < len; i++) {
                        if (this._extensions[opts[i]]) {
                            return this._extensions[opts[i]];
                        }
                    }
                },
                set: function set(value) {

                    var ext = '_' + value.transType;
                    this[ext] = value;
                }
            }
        }
    });

    var Reason = JXT.define({
        name: 'reason',
        namespace: _xmppConstants.Namespace.JINGLE_1,
        element: 'reason',
        fields: {
            condition: Utils.enumSub(_xmppConstants.Namespace.JINGLE_1, REASONS),
            alternativeSession: {
                get: function get() {

                    return Utils.getSubText(this.xml, _xmppConstants.Namespace.JINGLE_1, 'alternative-session');
                },
                set: function set(value) {

                    this.condition = 'alternative-session';
                    Utils.setSubText(this.xml, _xmppConstants.Namespace.JINGLE_1, 'alternative-session', value);
                }
            },
            text: Utils.textSub(_xmppConstants.Namespace.JINGLE_1, 'text')
        }
    });

    JXT.extend(Jingle, Content, 'contents');
    JXT.extend(Jingle, Reason);

    JXT.extendIQ(Jingle);

    JXT.withStanzaError(function (StanzaError) {

        JXT.add(StanzaError, 'jingleCondition', Utils.enumSub(_xmppConstants.Namespace.JINGLE_ERRORS_1, CONDITIONS));
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],161:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var JSONExtension = {
        get: function get() {

            var data = JXT.utils.getSubText(this.xml, _xmppConstants.Namespace.JSON_0, 'json');
            if (data) {
                return JSON.parse(data);
            }
        },
        set: function set(value) {

            value = JSON.stringify(value);
            if (value) {
                JXT.utils.setSubText(this.xml, _xmppConstants.Namespace.JSON_0, 'json', value);
            }
        }
    };

    JXT.withMessage(function (Message) {

        JXT.add(Message, 'json', JSONExtension);
    });

    JXT.withPubsubItem(function (Item) {

        JXT.add(Item, 'json', JSONExtension);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],162:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Log = JXT.define({
        name: 'log',
        namespace: _xmppConstants.Namespace.EVENTLOG,
        element: 'log',
        fields: {
            id: Utils.attribute('id'),
            timestamp: Utils.dateAttribute('timestamp'),
            type: Utils.attribute('type'),
            level: Utils.attribute('level'),
            object: Utils.attribute('object'),
            subject: Utils.attribute('subject'),
            facility: Utils.attribute('facility'),
            module: Utils.attribute('module'),
            message: Utils.textSub(_xmppConstants.Namespace.EVENTLOG, 'message'),
            stackTrace: Utils.textSub(_xmppConstants.Namespace.EVENTLOG, 'stackTrace')
        }
    });

    var Tag = JXT.define({
        name: '_logtag',
        namespace: _xmppConstants.Namespace.EVENTLOG,
        element: 'tag',
        fields: {
            name: Utils.attribute('name'),
            value: Utils.attribute('value'),
            type: Utils.attribute('type')
        }
    });

    JXT.extend(Log, Tag, 'tags');

    JXT.extendMessage(Log);
    JXT.extendPubsubItem(Log);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],163:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var _xmppJid = require('xmpp-jid');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var MAMQuery = JXT.define({
        name: 'mam',
        namespace: _xmppConstants.Namespace.MAM_0,
        element: 'query',
        fields: {
            queryid: Utils.attribute('queryid')
        }
    });

    var Result = JXT.define({
        name: 'mamItem',
        namespace: _xmppConstants.Namespace.MAM_0,
        element: 'result',
        fields: {
            queryid: Utils.attribute('queryid'),
            id: Utils.attribute('id')
        }
    });

    var Fin = JXT.define({
        name: 'mamResult',
        namespace: _xmppConstants.Namespace.MAM_0,
        element: 'fin',
        fields: {
            queryid: Utils.attribute('queryid'),
            complete: Utils.boolAttribute('complete'),
            stable: Utils.boolAttribute('stable')
        }
    });

    var Prefs = JXT.define({
        name: 'mamPrefs',
        namespace: _xmppConstants.Namespace.MAM_0,
        element: 'prefs',
        fields: {
            defaultCondition: Utils.attribute('default'),
            always: {
                get: function get() {

                    var results = [];
                    var container = Utils.find(this.xml, _xmppConstants.Namespace.MAM_0, 'always');
                    if (container.length === 0) {
                        return results;
                    }
                    container = container[0];
                    var jids = Utils.getMultiSubText(container, _xmppConstants.Namespace.MAM_0, 'jid');
                    jids.forEach(function (jid) {

                        results.push(new _xmppJid.JID(jid.textContent));
                    });
                    return results;
                },
                set: function set(value) {

                    if (value.length > 0) {
                        var container = Utils.findOrCreate(this.xml, _xmppConstants.Namespace.MAM_0, 'always');
                        Utils.setMultiSubText(container, _xmppConstants.Namespace.MAM_0, 'jid', value);
                    }
                }
            },
            never: {
                get: function get() {

                    var results = [];
                    var container = Utils.find(this.xml, _xmppConstants.Namespace.MAM_0, 'always');
                    if (container.length === 0) {
                        return results;
                    }
                    container = container[0];
                    var jids = Utils.getMultiSubText(container, _xmppConstants.Namespace.MAM_0, 'jid');
                    jids.forEach(function (jid) {

                        results.push(new _xmppJid.JID(jid.textContent));
                    });
                    return results;
                },
                set: function set(value) {

                    if (value.length > 0) {
                        var container = Utils.findOrCreate(this.xml, _xmppConstants.Namespace.MAM_0, 'never');
                        Utils.setMultiSubText(container, _xmppConstants.Namespace.MAM_0, 'jid', value);
                    }
                }
            }
        }
    });

    JXT.extendMessage(Result);
    JXT.extendMessage(Fin);

    JXT.extendIQ(MAMQuery);
    JXT.extendIQ(Prefs);

    JXT.withDataForm(function (DataForm) {

        JXT.extend(MAMQuery, DataForm);
    });

    JXT.withDefinition('forwarded', _xmppConstants.Namespace.FORWARD_0, function (Forwarded) {

        JXT.extend(Result, Forwarded);
    });

    JXT.withDefinition('set', _xmppConstants.Namespace.RSM, function (RSM) {

        JXT.extend(MAMQuery, RSM);
        JXT.extend(Fin, RSM);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220,"xmpp-jid":226}],164:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var internals = {};

internals.defineMessage = function (JXT, name, namespace) {

    var Utils = JXT.utils;

    JXT.define({
        name: name,
        namespace: namespace,
        element: 'message',
        topLevel: true,
        fields: {
            lang: Utils.langAttribute(),
            id: Utils.attribute('id'),
            to: Utils.jidAttribute('to', true),
            from: Utils.jidAttribute('from', true),
            type: Utils.attribute('type', 'normal'),
            thread: Utils.textSub(namespace, 'thread'),
            parentThread: Utils.subAttribute(namespace, 'thread', 'parent'),
            subject: Utils.textSub(namespace, 'subject'),
            $body: {
                get: function getBody$() {

                    return Utils.getSubLangText(this.xml, namespace, 'body', this.lang);
                }
            },
            body: {
                get: function getBody() {

                    var bodies = this.$body;
                    return bodies[this.lang] || '';
                },
                set: function setBody(value) {

                    Utils.setSubLangText(this.xml, namespace, 'body', value, this.lang);
                }
            },
            attention: Utils.boolSub(_xmppConstants.Namespace.ATTENTION_0, 'attention'),
            chatState: Utils.enumSub(_xmppConstants.Namespace.CHAT_STATES, ['active', 'composing', 'paused', 'inactive', 'gone']),
            replace: Utils.subAttribute(_xmppConstants.Namespace.CORRECTION_0, 'replace', 'id'),
            requestReceipt: Utils.boolSub(_xmppConstants.Namespace.RECEIPTS, 'request'),
            receipt: Utils.subAttribute(_xmppConstants.Namespace.RECEIPTS, 'received', 'id')
        }
    });
};

exports['default'] = function (JXT) {

    internals.defineMessage(JXT, 'message', _xmppConstants.Namespace.CLIENT);
    internals.defineMessage(JXT, 'serverMessage', _xmppConstants.Namespace.SERVER);
    internals.defineMessage(JXT, 'componentMessage', _xmppConstants.Namespace.COMPONENT);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],165:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var MOODS = ['afraid', 'amazed', 'amorous', 'angry', 'annoyed', 'anxious', 'aroused', 'ashamed', 'bored', 'brave', 'calm', 'cautious', 'cold', 'confident', 'confused', 'contemplative', 'contented', 'cranky', 'crazy', 'creative', 'curious', 'dejected', 'depressed', 'disappointed', 'disgusted', 'dismayed', 'distracted', 'embarrassed', 'envious', 'excited', 'flirtatious', 'frustrated', 'grateful', 'grieving', 'grumpy', 'guilty', 'happy', 'hopeful', 'hot', 'humbled', 'humiliated', 'hungry', 'hurt', 'impressed', 'in_awe', 'in_love', 'indignant', 'interested', 'intoxicated', 'invincible', 'jealous', 'lonely', 'lucky', 'mean', 'moody', 'nervous', 'neutral', 'offended', 'outraged', 'playful', 'proud', 'relaxed', 'relieved', 'remorseful', 'restless', 'sad', 'sarcastic', 'serious', 'shocked', 'shy', 'sick', 'sleepy', 'spontaneous', 'stressed', 'strong', 'surprised', 'thankful', 'thirsty', 'tired', 'undefined', 'weak', 'worried'];

exports['default'] = function (JXT) {

    var Mood = JXT.define({
        name: 'mood',
        namespace: _xmppConstants.Namespace.MOOD,
        element: 'mood',
        fields: {
            text: JXT.utils.textSub(_xmppConstants.Namespace.MOOD, 'text'),
            value: JXT.utils.enumSub(_xmppConstants.Namespace.MOOD, MOODS)
        }
    });

    JXT.extendMessage(Mood);
    JXT.extendPubsubItem(Mood);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],166:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

function proxy(child, field) {

    return {
        get: function get() {

            if (this._extensions[child]) {
                return this[child][field];
            }
        },
        set: function set(value) {

            this[child][field] = value;
        }
    };
}

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var UserItem = JXT.define({
        name: '_mucUserItem',
        namespace: _xmppConstants.Namespace.MUC_USER,
        element: 'item',
        fields: {
            affiliation: Utils.attribute('affiliation'),
            nick: Utils.attribute('nick'),
            jid: Utils.jidAttribute('jid'),
            role: Utils.attribute('role'),
            reason: Utils.textSub(_xmppConstants.Namespace.MUC_USER, 'reason')
        }
    });

    var UserActor = JXT.define({
        name: '_mucUserActor',
        namespace: _xmppConstants.Namespace.MUC_USER,
        element: 'actor',
        fields: {
            nick: Utils.attribute('nick'),
            jid: Utils.jidAttribute('jid')
        }
    });

    var Destroyed = JXT.define({
        name: 'destroyed',
        namespace: _xmppConstants.Namespace.MUC_USER,
        element: 'destroy',
        fields: {
            jid: Utils.jidAttribute('jid'),
            reason: Utils.textSub(_xmppConstants.Namespace.MUC_USER, 'reason')
        }
    });

    var Invite = JXT.define({
        name: 'invite',
        namespace: _xmppConstants.Namespace.MUC_USER,
        element: 'invite',
        fields: {
            to: Utils.jidAttribute('to'),
            from: Utils.jidAttribute('from'),
            reason: Utils.textSub(_xmppConstants.Namespace.MUC_USER, 'reason'),
            thread: Utils.subAttribute(_xmppConstants.Namespace.MUC_USER, 'continue', 'thread'),
            'continue': Utils.boolSub(_xmppConstants.Namespace.MUC_USER, 'continue')
        }
    });

    var Decline = JXT.define({
        name: 'decline',
        namespace: _xmppConstants.Namespace.MUC_USER,
        element: 'decline',
        fields: {
            to: Utils.jidAttribute('to'),
            from: Utils.jidAttribute('from'),
            reason: Utils.textSub(_xmppConstants.Namespace.MUC_USER, 'reason')
        }
    });

    var AdminItem = JXT.define({
        name: '_mucAdminItem',
        namespace: _xmppConstants.Namespace.MUC_ADMIN,
        element: 'item',
        fields: {
            affiliation: Utils.attribute('affiliation'),
            nick: Utils.attribute('nick'),
            jid: Utils.jidAttribute('jid'),
            role: Utils.attribute('role'),
            reason: Utils.textSub(_xmppConstants.Namespace.MUC_ADMIN, 'reason')
        }
    });

    var AdminActor = JXT.define({
        name: 'actor',
        namespace: _xmppConstants.Namespace.MUC_USER,
        element: 'actor',
        fields: {
            nick: Utils.attribute('nick'),
            jid: Utils.jidAttribute('jid')
        }
    });

    var Destroy = JXT.define({
        name: 'destroy',
        namespace: _xmppConstants.Namespace.MUC_OWNER,
        element: 'destroy',
        fields: {
            jid: Utils.jidAttribute('jid'),
            password: Utils.textSub(_xmppConstants.Namespace.MUC_OWNER, 'password'),
            reason: Utils.textSub(_xmppConstants.Namespace.MUC_OWNER, 'reason')
        }
    });

    var MUC = JXT.define({
        name: 'muc',
        namespace: _xmppConstants.Namespace.MUC_USER,
        element: 'x',
        fields: {
            affiliation: proxy('_mucUserItem', 'affiliation'),
            nick: proxy('_mucUserItem', 'nick'),
            jid: proxy('_mucUserItem', 'jid'),
            role: proxy('_mucUserItem', 'role'),
            actor: proxy('_mucUserItem', '_mucUserActor'),
            reason: proxy('_mucUserItem', 'reason'),
            password: Utils.textSub(_xmppConstants.Namespace.MUC_USER, 'password'),
            codes: {
                get: function get() {

                    return Utils.getMultiSubText(this.xml, _xmppConstants.Namespace.MUC_USER, 'status', function (sub) {

                        return Utils.getAttribute(sub, 'code');
                    });
                },
                set: function set(value) {

                    var self = this;
                    Utils.setMultiSubText(this.xml, _xmppConstants.Namespace.MUC_USER, 'status', value, function (val) {

                        var child = Utils.createElement(_xmppConstants.Namespace.MUC_USER, 'status', _xmppConstants.Namespace.MUC_USER);
                        Utils.setAttribute(child, 'code', val);
                        self.xml.appendChild(child);
                    });
                }
            }
        }
    });

    var MUCAdmin = JXT.define({
        name: 'mucAdmin',
        namespace: _xmppConstants.Namespace.MUC_ADMIN,
        element: 'query',
        fields: {
            affiliation: proxy('_mucAdminItem', 'affiliation'),
            nick: proxy('_mucAdminItem', 'nick'),
            jid: proxy('_mucAdminItem', 'jid'),
            role: proxy('_mucAdminItem', 'role'),
            actor: proxy('_mucAdminItem', '_mucAdminActor'),
            reason: proxy('_mucAdminItem', 'reason')
        }
    });

    var MUCOwner = JXT.define({
        name: 'mucOwner',
        namespace: _xmppConstants.Namespace.MUC_OWNER,
        element: 'query'
    });

    var MUCJoin = JXT.define({
        name: 'joinMuc',
        namespace: _xmppConstants.Namespace.MUC,
        element: 'x',
        fields: {
            password: Utils.textSub(_xmppConstants.Namespace.MUC, 'password'),
            history: {
                get: function get() {

                    var result = {};
                    var hist = Utils.find(this.xml, _xmppConstants.Namespace.MUC, 'history');

                    if (!hist.length) {
                        return {};
                    }
                    hist = hist[0];

                    var maxchars = hist.getAttribute('maxchars') || '';
                    var maxstanzas = hist.getAttribute('maxstanzas') || '';
                    var seconds = hist.getAttribute('seconds') || '';
                    var since = hist.getAttribute('since') || '';

                    if (maxchars) {
                        result.maxchars = parseInt(maxchars, 10);
                    }
                    if (maxstanzas) {
                        result.maxstanzas = parseInt(maxstanzas, 10);
                    }
                    if (seconds) {
                        result.seconds = parseInt(seconds, 10);
                    }
                    if (since) {
                        result.since = new Date(since);
                    }
                },
                set: function set(opts) {

                    var existing = Utils.find(this.xml, _xmppConstants.Namespace.MUC, 'history');
                    if (existing.length) {
                        for (var i = 0; i < existing.length; i++) {
                            this.xml.removeChild(existing[i]);
                        }
                    }

                    var hist = Utils.createElement(_xmppConstants.Namespace.MUC, 'history', _xmppConstants.Namespace.MUC);
                    this.xml.appendChild(hist);

                    if (opts.maxchars) {
                        hist.setAttribute('maxchars', '' + opts.maxchars);
                    }
                    if (opts.maxstanzas) {
                        hist.setAttribute('maxstanzas', '' + opts.maxstanzas);
                    }
                    if (opts.seconds) {
                        hist.setAttribute('seconds', '' + opts.seconds);
                    }
                    if (opts.since) {
                        hist.setAttribute('since', opts.since.toISOString());
                    }
                }
            }
        }
    });

    var DirectInvite = JXT.define({
        name: 'mucInvite',
        namespace: _xmppConstants.Namespace.MUC_DIRECT_INVITE,
        element: 'x',
        fields: {
            jid: Utils.jidAttribute('jid'),
            password: Utils.attribute('password'),
            reason: Utils.attribute('reason'),
            thread: Utils.attribute('thread'),
            'continue': Utils.boolAttribute('continue')
        }
    });

    JXT.extend(UserItem, UserActor);
    JXT.extend(MUC, UserItem);
    JXT.extend(MUC, Invite, 'invites');
    JXT.extend(MUC, Decline);
    JXT.extend(MUC, Destroyed);
    JXT.extend(AdminItem, AdminActor);
    JXT.extend(MUCAdmin, AdminItem, 'items');
    JXT.extend(MUCOwner, Destroy);

    JXT.extendPresence(MUC);
    JXT.extendPresence(MUCJoin);

    JXT.extendMessage(MUC);
    JXT.extendMessage(DirectInvite);

    JXT.withIQ(function (IQ) {

        JXT.add(IQ, 'mucUnique', Utils.textSub(_xmppConstants.Namespace.MUC_UNIQUE, 'unique'));
        JXT.extend(IQ, MUCAdmin);
        JXT.extend(IQ, MUCOwner);
    });

    JXT.withDataForm(function (DataForm) {

        JXT.extend(MUCOwner, DataForm);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],167:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var nick = JXT.utils.textSub(_xmppConstants.Namespace.NICK, 'nick');

    JXT.withPubsubItem(function (Item) {

        JXT.add(Item, 'nick', nick);
    });

    JXT.withPresence(function (Presence) {

        JXT.add(Presence, 'nick', nick);
    });

    JXT.withMessage(function (Message) {

        JXT.add(Message, 'nick', nick);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],168:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var OOB = JXT.define({
        name: 'oob',
        element: 'x',
        namespace: _xmppConstants.Namespace.OOB,
        fields: {
            url: JXT.utils.textSub(_xmppConstants.Namespace.OOB, 'url'),
            desc: JXT.utils.textSub(_xmppConstants.Namespace.OOB, 'desc')
        }
    });

    JXT.extendMessage(OOB, 'oobURIs');
};

module.exports = exports['default'];

},{"xmpp-constants":220}],169:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Ping = JXT.define({
        name: 'ping',
        namespace: _xmppConstants.Namespace.PING,
        element: 'ping'
    });

    JXT.extendIQ(Ping);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],170:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var internals = {};

internals.definePresence = function (JXT, name, namespace) {

    var Utils = JXT.utils;

    JXT.define({
        name: name,
        namespace: namespace,
        element: 'presence',
        topLevel: true,
        fields: {
            lang: Utils.langAttribute(),
            id: Utils.attribute('id'),
            to: Utils.jidAttribute('to', true),
            from: Utils.jidAttribute('from', true),
            priority: Utils.numberSub(namespace, 'priority', false, 0),
            show: Utils.textSub(namespace, 'show'),
            type: {
                get: function get() {

                    return Utils.getAttribute(this.xml, 'type', 'available');
                },
                set: function set(value) {

                    if (value === 'available') {
                        value = false;
                    }
                    Utils.setAttribute(this.xml, 'type', value);
                }
            },
            $status: {
                get: function get() {

                    return Utils.getSubLangText(this.xml, namespace, 'status', this.lang);
                }
            },
            status: {
                get: function get() {

                    var statuses = this.$status;
                    return statuses[this.lang] || '';
                },
                set: function set(value) {

                    Utils.setSubLangText(this.xml, namespace, 'status', value, this.lang);
                }
            },
            idleSince: Utils.dateSubAttribute(_xmppConstants.Namespace.IDLE_1, 'idle', 'since'),
            decloak: Utils.subAttribute(_xmppConstants.Namespace.DECLOAK_0, 'decloak', 'reason'),
            avatarId: {
                get: function get() {

                    var update = Utils.find(this.xml, _xmppConstants.Namespace.VCARD_TEMP_UPDATE, 'x');
                    if (!update.length) {
                        return '';
                    }
                    return Utils.getSubText(update[0], _xmppConstants.Namespace.VCARD_TEMP_UPDATE, 'photo');
                },
                set: function set(value) {

                    var update = Utils.findOrCreate(this.xml, _xmppConstants.Namespace.VCARD_TEMP_UPDATE, 'x');

                    if (value === '') {
                        Utils.setBoolSub(update, _xmppConstants.Namespace.VCARD_TEMP_UPDATE, 'photo', true);
                    } else if (value === true) {
                        return;
                    } else if (value) {
                        Utils.setSubText(update, _xmppConstants.Namespace.VCARD_TEMP_UPDATE, 'photo', value);
                    } else {
                        this.xml.removeChild(update);
                    }
                }
            }
        }
    });
};

exports['default'] = function (JXT) {

    internals.definePresence(JXT, 'presence', _xmppConstants.Namespace.CLIENT);
    internals.definePresence(JXT, 'serverPresence', _xmppConstants.Namespace.SERVER);
    internals.definePresence(JXT, 'componentPresence', _xmppConstants.Namespace.COMPONENT);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],171:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var PrivateStorage = JXT.define({
        name: 'privateStorage',
        namespace: _xmppConstants.Namespace.PRIVATE,
        element: 'query'
    });

    JXT.extendIQ(PrivateStorage);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],172:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var CONDITIONS = ['server-unavailable', 'connection-paused'];

exports['default'] = function (JXT) {

    var PSA = JXT.define({
        name: 'state',
        namespace: _xmppConstants.Namespace.PSA,
        element: 'state-annotation',
        fields: {
            from: JXT.utils.jidAttribute('from'),
            condition: JXT.utils.enumSub(_xmppConstants.Namespace.PSA, CONDITIONS),
            description: JXT.utils.textSub(_xmppConstants.Namespace.PSA, 'description')
        }
    });

    JXT.extendPresence(PSA);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],173:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Pubsub = JXT.define({
        name: 'pubsub',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'pubsub',
        fields: {
            create: {
                get: function get() {
                    var node = Utils.getSubAttribute(this.xml, _xmppConstants.Namespace.PUBSUB, 'create', 'node');
                    if (node) {
                        return node;
                    }
                    return Utils.getBoolSub(this.xml, _xmppConstants.Namespace.PUBSUB, 'create');
                },
                set: function set(value) {
                    if (value === true || !value) {
                        Utils.setBoolSub(this.xml, _xmppConstants.Namespace.PUBSUB, 'create', value);
                    } else {
                        Utils.setSubAttribute(this.xml, _xmppConstants.Namespace.PUBSUB, 'create', 'node', value);
                    }
                }
            },
            publishOptions: {
                get: function get() {

                    var DataForm = JXT.getDefinition('x', _xmppConstants.Namespace.DATAFORM);
                    var conf = Utils.find(this.xml, _xmppConstants.Namespace.PUBSUB, 'publish-options');
                    if (conf.length && conf[0].childNodes.length) {
                        return new DataForm({}, conf[0].childNodes[0]);
                    }
                },
                set: function set(value) {

                    var DataForm = JXT.getDefinition('x', _xmppConstants.Namespace.DATAFORM);
                    var conf = Utils.findOrCreate(this.xml, _xmppConstants.Namespace.PUBSUB, 'publish-options');
                    if (value) {
                        var form = new DataForm(value);
                        conf.appendChild(form.xml);
                    }
                }
            }
        }
    });

    var Configure = JXT.define({
        name: 'config',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'configure'
    });

    var Subscribe = JXT.define({
        name: 'subscribe',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'subscribe',
        fields: {
            node: Utils.attribute('node'),
            jid: Utils.jidAttribute('jid')
        }
    });

    var Subscription = JXT.define({
        name: 'subscription',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'subscription',
        fields: {
            node: Utils.attribute('node'),
            jid: Utils.jidAttribute('jid'),
            subid: Utils.attribute('subid'),
            type: Utils.attribute('subscription'),
            configurable: Utils.boolSub('subscribe-options'),
            configurationRequired: {
                get: function get() {

                    var options = Utils.find(this.xml, _xmppConstants.Namespace.PUBSUB, 'subscribe-options');
                    if (options.length) {
                        return Utils.getBoolSub(options[0], _xmppConstants.Namespace.PUBSUB, 'required');
                    }
                    return false;
                }
            }
        }
    });

    var Subscriptions = JXT.define({
        name: 'subscriptions',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'subscriptions',
        fields: {
            node: Utils.attribute('node'),
            jid: Utils.jidAttribute('jid')
        }
    });

    var Affiliation = JXT.define({
        name: 'affiliation',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'affiliation',
        fields: {
            node: Utils.attribute('node'),
            type: Utils.attribute('affiliation')
        }
    });

    var Affiliations = JXT.define({
        name: 'affiliations',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'affiliations',
        fields: {
            node: Utils.attribute('node')
        }
    });

    var SubscriptionOptions = JXT.define({
        name: 'subscriptionOptions',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'options',
        fields: {
            node: Utils.attribute('node'),
            jid: Utils.jidAttribute('jid'),
            subid: Utils.attribute('subid')
        }
    });

    var Unsubscribe = JXT.define({
        name: 'unsubscribe',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'unsubscribe',
        fields: {
            node: Utils.attribute('node'),
            jid: Utils.jidAttribute('jid')
        }
    });

    var Publish = JXT.define({
        name: 'publish',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'publish',
        fields: {
            node: Utils.attribute('node')
        }
    });

    var Retract = JXT.define({
        name: 'retract',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'retract',
        fields: {
            node: Utils.attribute('node'),
            notify: Utils.boolAttribute('notify'),
            id: Utils.subAttribute(_xmppConstants.Namespace.PUBSUB, 'item', 'id')
        }
    });

    var Retrieve = JXT.define({
        name: 'retrieve',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'items',
        fields: {
            node: Utils.attribute('node'),
            max: Utils.attribute('max_items')
        }
    });

    var Item = JXT.define({
        name: 'item',
        namespace: _xmppConstants.Namespace.PUBSUB,
        element: 'item',
        fields: {
            id: Utils.attribute('id')
        }
    });

    JXT.extend(Pubsub, Configure);
    JXT.extend(Pubsub, Subscribe);
    JXT.extend(Pubsub, Unsubscribe);
    JXT.extend(Pubsub, Publish);
    JXT.extend(Pubsub, Retract);
    JXT.extend(Pubsub, Retrieve);
    JXT.extend(Pubsub, Subscription);
    JXT.extend(Pubsub, SubscriptionOptions);
    JXT.extend(Pubsub, Subscriptions);
    JXT.extend(Pubsub, Affiliations);

    JXT.extend(Publish, Item, 'items');
    JXT.extend(Retrieve, Item, 'items');

    JXT.extend(Subscriptions, Subscription, 'list');
    JXT.extend(Affiliations, Affiliation, 'list');

    JXT.extendIQ(Pubsub);

    JXT.withDataForm(function (DataForm) {

        JXT.extend(SubscriptionOptions, DataForm);
        JXT.extend(Item, DataForm);
        JXT.extend(Configure, DataForm);
    });

    JXT.withDefinition('set', _xmppConstants.Namespace.RSM, function (RSM) {

        JXT.extend(Pubsub, RSM);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],174:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var CONDITIONS = ['closed-node', 'configuration-required', 'invalid-jid', 'invalid-options', 'invalid-payload', 'invalid-subid', 'item-forbidden', 'item-required', 'jid-required', 'max-items-exceeded', 'max-nodes-exceeded', 'nodeid-required', 'not-in-roster-group', 'not-subscribed', 'payload-too-big', 'payload-required', 'pending-subscription', 'presence-subscription-required', 'subid-required', 'too-many-subscriptions', 'unsupported', 'unsupported-access-model'];

exports['default'] = function (JXT) {

    JXT.withStanzaError(function (StanzaError) {

        JXT.add(StanzaError, 'pubsubCondition', JXT.utils.enumSub(_xmppConstants.Namespace.PUBSUB_ERRORS, CONDITIONS));
        JXT.add(StanzaError, 'pubsubUnsupportedFeature', {
            get: function get() {
                return JXT.utils.getSubAttribute(this.xml, _xmppConstants.Namespace.PUBSUB_ERRORS, 'unsupported', 'feature');
            },
            set: function set(value) {
                if (value) {
                    this.pubsubCondition = 'unsupported';
                }
                JXT.utils.setSubAttribute(this.xml, _xmppConstants.Namespace.PUBSUB_ERRORS, 'unsupported', 'feature', value);
            }
        });
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],175:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Event = JXT.define({
        name: 'event',
        namespace: _xmppConstants.Namespace.PUBSUB_EVENT,
        element: 'event'
    });

    var EventPurge = JXT.define({
        name: 'purged',
        namespace: _xmppConstants.Namespace.PUBSUB_EVENT,
        element: 'purge',
        fields: {
            node: Utils.attribute('node')
        }
    });

    var EventDelete = JXT.define({
        name: 'deleted',
        namespace: _xmppConstants.Namespace.PUBSUB_EVENT,
        element: 'delete',
        fields: {
            node: Utils.attribute('node'),
            redirect: Utils.subAttribute(_xmppConstants.Namespace.PUBSUB_EVENT, 'redirect', 'uri')
        }
    });

    var EventSubscription = JXT.define({
        name: 'subscriptionChanged',
        namespace: _xmppConstants.Namespace.PUBSUB_EVENT,
        element: 'subscription',
        fields: {
            node: Utils.attribute('node'),
            jid: Utils.jidAttribute('jid'),
            type: Utils.attribute('subscription'),
            subid: Utils.attribute('subid'),
            expiry: {
                get: function get() {

                    var text = Utils.getAttribute(this.xml, 'expiry');
                    if (text === 'presence') {
                        return text;
                    } else if (text) {
                        return new Date(text);
                    }
                },
                set: function set(value) {

                    if (!value) {
                        return;
                    }

                    if (typeof value !== 'string') {
                        value = value.toISOString();
                    }

                    Utils.setAttribute(this.xml, 'expiry', value);
                }
            }
        }
    });

    var EventConfiguration = JXT.define({
        name: 'configurationChanged',
        namespace: _xmppConstants.Namespace.PUBSUB_EVENT,
        element: 'configuration',
        fields: {
            node: Utils.attribute('node')
        }
    });

    var EventItems = JXT.define({
        name: 'updated',
        namespace: _xmppConstants.Namespace.PUBSUB_EVENT,
        element: 'items',
        fields: {
            node: Utils.attribute('node'),
            retracted: {
                get: function get() {

                    var results = [];
                    var retracted = Utils.find(this.xml, _xmppConstants.Namespace.PUBSUB_EVENT, 'retract');

                    retracted.forEach(function (xml) {

                        results.push(xml.getAttribute('id'));
                    });
                    return results;
                },
                set: function set(value) {

                    var self = this;
                    value.forEach(function (id) {

                        var retracted = Utils.createElement(_xmppConstants.Namespace.PUBSUB_EVENT, 'retract', _xmppConstants.Namespace.PUBSUB_EVENT);
                        retracted.setAttribute('id', id);
                        this.xml.appendChild(retracted);
                    });
                }
            }
        }
    });

    var EventItem = JXT.define({
        name: '_eventItem',
        namespace: _xmppConstants.Namespace.PUBSUB_EVENT,
        element: 'item',
        fields: {
            id: Utils.attribute('id'),
            node: Utils.attribute('node'),
            publisher: Utils.jidAttribute('publisher')
        }
    });

    JXT.extend(EventItems, EventItem, 'published');

    JXT.extend(Event, EventItems);
    JXT.extend(Event, EventSubscription);
    JXT.extend(Event, EventConfiguration);
    JXT.extend(Event, EventDelete);
    JXT.extend(Event, EventPurge);

    JXT.extendMessage(Event);

    JXT.withDataForm(function (DataForm) {

        JXT.extend(EventConfiguration, DataForm);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],176:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var PubsubOwner = JXT.define({
        name: 'pubsubOwner',
        namespace: _xmppConstants.Namespace.PUBSUB_OWNER,
        element: 'pubsub',
        fields: {
            purge: Utils.subAttribute(_xmppConstants.Namespace.PUBSUB_OWNER, 'purge', 'node'),
            del: Utils.subAttribute(_xmppConstants.Namespace.PUBSUB_OWNER, 'delete', 'node'),
            redirect: {
                get: function get() {

                    var del = Utils.find(this.xml, _xmppConstants.Namespace.PUBSUB_OWNER, 'delete');
                    if (del.length) {
                        return Utils.getSubAttribute(del[0], _xmppConstants.Namespace.PUBSUB_OWNER, 'redirect', 'uri');
                    }
                    return '';
                },
                set: function set(value) {

                    var del = Utils.findOrCreate(this.xml, _xmppConstants.Namespace.PUBSUB_OWNER, 'delete');
                    Utils.setSubAttribute(del, _xmppConstants.Namespace.PUBSUB_OWNER, 'redirect', 'uri', value);
                }
            }
        }
    });

    var Subscription = JXT.define({
        name: 'subscription',
        namespace: _xmppConstants.Namespace.PUBSUB_OWNER,
        element: 'subscription',
        fields: {
            node: Utils.attribute('node'),
            jid: Utils.jidAttribute('jid'),
            subid: Utils.attribute('subid'),
            type: Utils.attribute('subscription'),
            configurable: Utils.boolSub('subscribe-options'),
            configurationRequired: {
                get: function get() {

                    var options = Utils.find(this.xml, _xmppConstants.Namespace.PUBSUB_OWNER, 'subscribe-options');
                    if (options.length) {
                        return Utils.getBoolSub(options[0], _xmppConstants.Namespace.PUBSUB_OWNER, 'required');
                    }
                    return false;
                }
            }
        }
    });

    var Subscriptions = JXT.define({
        name: 'subscriptions',
        namespace: _xmppConstants.Namespace.PUBSUB_OWNER,
        element: 'subscriptions',
        fields: {
            node: Utils.attribute('node')
        }
    });

    var Affiliation = JXT.define({
        name: 'affiliation',
        namespace: _xmppConstants.Namespace.PUBSUB_OWNER,
        element: 'affiliation',
        fields: {
            jid: Utils.jidAttribute('jid'),
            type: Utils.attribute('affiliation')
        }
    });

    var Affiliations = JXT.define({
        name: 'affiliations',
        namespace: _xmppConstants.Namespace.PUBSUB_OWNER,
        element: 'affiliations',
        fields: {
            node: Utils.attribute('node')
        }
    });

    var Configure = JXT.define({
        name: 'config',
        namespace: _xmppConstants.Namespace.PUBSUB_OWNER,
        element: 'configure',
        fields: {
            node: Utils.attribute('node')
        }
    });

    JXT.extend(PubsubOwner, Configure);
    JXT.extend(PubsubOwner, Subscriptions);
    JXT.extend(PubsubOwner, Affiliations);

    JXT.extend(Subscriptions, Subscription, 'list');
    JXT.extend(Affiliations, Affiliation, 'list');

    JXT.extendIQ(PubsubOwner);

    JXT.withDataForm(function (DataForm) {

        JXT.extend(Configure, DataForm);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],177:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Enable = JXT.define({
        name: 'enablePush',
        element: 'enable',
        namespace: _xmppConstants.Namespace.PUSH_0,
        fields: {
            jid: Utils.jidAttribute('jid'),
            node: Utils.attribute('node')
        }
    });

    var Disable = JXT.define({
        name: 'disablePush',
        element: 'disable',
        namespace: _xmppConstants.Namespace.PUSH_0,
        fields: {
            jid: Utils.jidAttribute('jid'),
            node: Utils.attribute('node')
        }
    });

    var Notification = JXT.define({
        name: 'pushNotification',
        element: 'notification',
        namespace: _xmppConstants.Namespace.PUSH_0
    });

    JXT.withDataForm(function (DataForm) {
        JXT.extend(Notification, DataForm);
        JXT.extend(Enable, DataForm);
    });

    JXT.extendIQ(Enable);
    JXT.extendIQ(Disable);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],178:[function(require,module,exports){
'use strict';

var _interopRequireDefault = require('babel-runtime/helpers/interop-require-default')['default'];

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var _lodashForeach = require('lodash.foreach');

var _lodashForeach2 = _interopRequireDefault(_lodashForeach);

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var ReachURI = JXT.define({
        name: '_reachAddr',
        namespace: _xmppConstants.Namespace.REACH_0,
        element: 'addr',
        fields: {
            uri: Utils.attribute('uri'),
            $desc: {
                get: function get() {

                    return Utils.getSubLangText(this.xml, _xmppConstants.Namespace.REACH_0, 'desc', this.lang);
                }
            },
            desc: {
                get: function get() {

                    var descs = this.$desc;
                    return descs[this.lang] || '';
                },
                set: function set(value) {

                    Utils.setSubLangText(this.xml, _xmppConstants.Namespace.REACH_0, 'desc', value, this.lang);
                }
            }
        }
    });

    var reachability = {
        get: function get() {

            var reach = Utils.find(this.xml, _xmppConstants.Namespace.REACH_0, 'reach');
            var results = [];
            if (reach.length) {
                var addrs = Utils.find(reach[0], _xmppConstants.Namespace.REACH_0, 'addr');
                (0, _lodashForeach2['default'])(addrs, function (addr) {

                    results.push(new ReachURI({}, addr));
                });
            }
            return results;
        },
        set: function set(value) {

            var reach = Utils.findOrCreate(this.xml, _xmppConstants.Namespace.REACH_0, 'reach');
            Utils.setAttribute(reach, 'xmlns', _xmppConstants.Namespace.REACH_0);
            (0, _lodashForeach2['default'])(value, function (info) {

                var addr = new ReachURI(info);
                reach.appendChild(addr.xml);
            });
        }
    };

    JXT.withPubsubItem(function (Item) {

        JXT.add(Item, 'reach', reachability);
    });

    JXT.withPresence(function (Presence) {

        JXT.add(Presence, 'reach', reachability);
    });
};

module.exports = exports['default'];

},{"babel-runtime/helpers/interop-require-default":197,"lodash.foreach":212,"xmpp-constants":220}],179:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Register = JXT.define({
        name: 'register',
        namespace: _xmppConstants.Namespace.REGISTER,
        element: 'query',
        fields: {
            instructions: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'instructions'),
            registered: Utils.boolSub(_xmppConstants.Namespace.REGISTER, 'registered'),
            remove: Utils.boolSub(_xmppConstants.Namespace.REGISTER, 'remove'),
            username: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'username'),
            nick: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'nick'),
            password: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'password'),
            name: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'name'),
            first: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'first'),
            last: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'last'),
            email: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'email'),
            address: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'address'),
            city: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'city'),
            state: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'state'),
            zip: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'zip'),
            phone: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'phone'),
            url: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'url'),
            date: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'date'),
            misc: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'misc'),
            text: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'text'),
            key: Utils.textSub(_xmppConstants.Namespace.REGISTER, 'key')
        }
    });

    JXT.extendIQ(Register);

    JXT.withDefinition('x', _xmppConstants.Namespace.OOB, function (OOB) {

        JXT.extend(Register, OOB);
    });

    JXT.withDataForm(function (DataForm) {

        JXT.extend(Register, DataForm);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],180:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Roster = JXT.define({
        name: 'roster',
        namespace: _xmppConstants.Namespace.ROSTER,
        element: 'query',
        fields: {
            ver: {
                get: function get() {

                    return Utils.getAttribute(this.xml, 'ver');
                },
                set: function set(value) {

                    var force = value === '';
                    Utils.setAttribute(this.xml, 'ver', value, force);
                }
            }
        }
    });

    var RosterItem = JXT.define({
        name: '_rosterItem',
        namespace: _xmppConstants.Namespace.ROSTER,
        element: 'item',
        fields: {
            jid: Utils.jidAttribute('jid', true),
            name: Utils.attribute('name'),
            subscription: Utils.attribute('subscription', 'none'),
            subscriptionRequested: {
                get: function get() {

                    var ask = Utils.getAttribute(this.xml, 'ask');
                    return ask === 'subscribe';
                }
            },
            preApproved: Utils.boolAttribute(_xmppConstants.Namespace.ROSTER, 'approved'),
            groups: Utils.multiTextSub(_xmppConstants.Namespace.ROSTER, 'group')
        }
    });

    JXT.extend(Roster, RosterItem, 'items');

    JXT.extendIQ(Roster);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],181:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    JXT.define({
        name: 'rsm',
        namespace: _xmppConstants.Namespace.RSM,
        element: 'set',
        fields: {
            after: Utils.textSub(_xmppConstants.Namespace.RSM, 'after'),
            before: {
                get: function get() {

                    return Utils.getSubText(this.xml, _xmppConstants.Namespace.RSM, 'before');
                },
                set: function set(value) {

                    if (value === true) {
                        Utils.findOrCreate(this.xml, _xmppConstants.Namespace.RSM, 'before');
                    } else {
                        Utils.setSubText(this.xml, _xmppConstants.Namespace.RSM, 'before', value);
                    }
                }
            },
            count: Utils.numberSub(_xmppConstants.Namespace.RSM, 'count', false, 0),
            first: Utils.textSub(_xmppConstants.Namespace.RSM, 'first'),
            firstIndex: Utils.subAttribute(_xmppConstants.Namespace.RSM, 'first', 'index'),
            index: Utils.textSub(_xmppConstants.Namespace.RSM, 'index'),
            last: Utils.textSub(_xmppConstants.Namespace.RSM, 'last'),
            max: Utils.textSub(_xmppConstants.Namespace.RSM, 'max')
        }
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],182:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Feedback = {
        get: function get() {

            var existing = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_RTCP_FB_0, 'rtcp-fb');
            var result = [];
            existing.forEach(function (xml) {

                result.push({
                    type: Utils.getAttribute(xml, 'type'),
                    subtype: Utils.getAttribute(xml, 'subtype')
                });
            });
            existing = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_RTCP_FB_0, 'rtcp-fb-trr-int');
            existing.forEach(function (xml) {

                result.push({
                    type: Utils.getAttribute(xml, 'type'),
                    value: Utils.getAttribute(xml, 'value')
                });
            });
            return result;
        },
        set: function set(values) {

            var self = this;
            var existing = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_RTCP_FB_0, 'rtcp-fb');
            existing.forEach(function (item) {

                self.xml.removeChild(item);
            });
            existing = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_RTCP_FB_0, 'rtcp-fb-trr-int');
            existing.forEach(function (item) {

                self.xml.removeChild(item);
            });

            values.forEach(function (value) {

                var fb = undefined;
                if (value.type === 'trr-int') {
                    fb = Utils.createElement(_xmppConstants.Namespace.JINGLE_RTP_RTCP_FB_0, 'rtcp-fb-trr-int', _xmppConstants.Namespace.JINGLE_RTP_1);
                    Utils.setAttribute(fb, 'type', value.type);
                    Utils.setAttribute(fb, 'value', value.value);
                } else {
                    fb = Utils.createElement(_xmppConstants.Namespace.JINGLE_RTP_RTCP_FB_0, 'rtcp-fb', _xmppConstants.Namespace.JINGLE_RTP_1);
                    Utils.setAttribute(fb, 'type', value.type);
                    Utils.setAttribute(fb, 'subtype', value.subtype);
                }
                self.xml.appendChild(fb);
            });
        }
    };

    var Bandwidth = JXT.define({
        name: 'bandwidth',
        namespace: _xmppConstants.Namespace.JINGLE_RTP_1,
        element: 'bandwidth',
        fields: {
            type: Utils.attribute('type'),
            bandwidth: Utils.text()
        }
    });

    var RTP = JXT.define({
        name: '_rtp',
        namespace: _xmppConstants.Namespace.JINGLE_RTP_1,
        element: 'description',
        tags: ['jingle-description'],
        fields: {
            descType: { value: 'rtp' },
            media: Utils.attribute('media'),
            ssrc: Utils.attribute('ssrc'),
            mux: Utils.boolSub(_xmppConstants.Namespace.JINGLE_RTP_1, 'rtcp-mux'),
            encryption: {
                get: function get() {

                    var enc = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_1, 'encryption');
                    if (!enc.length) {
                        return [];
                    }
                    enc = enc[0];

                    var self = this;
                    var data = Utils.find(enc, _xmppConstants.Namespace.JINGLE_RTP_1, 'crypto');
                    var results = [];

                    data.forEach(function (xml) {

                        results.push(new Crypto({}, xml, self).toJSON());
                    });
                    return results;
                },
                set: function set(values) {

                    var enc = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_1, 'encryption');
                    if (enc.length) {
                        this.xml.removeChild(enc);
                    }

                    if (!values.length) {
                        return;
                    }

                    Utils.setBoolSubAttribute(this.xml, _xmppConstants.Namespace.JINGLE_RTP_1, 'encryption', 'required', true);
                    enc = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_1, 'encryption')[0];

                    var self = this;
                    values.forEach(function (value) {

                        var content = new Crypto(value, null, self);
                        enc.appendChild(content.xml);
                    });
                }
            },
            feedback: Feedback,
            headerExtensions: {
                get: function get() {

                    var existing = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_HDREXT_0, 'rtp-hdrext');
                    var result = [];
                    existing.forEach(function (xml) {

                        result.push({
                            id: Utils.getAttribute(xml, 'id'),
                            uri: Utils.getAttribute(xml, 'uri'),
                            senders: Utils.getAttribute(xml, 'senders')
                        });
                    });
                    return result;
                },
                set: function set(values) {

                    var self = this;
                    var existing = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_HDREXT_0, 'rtp-hdrext');
                    existing.forEach(function (item) {

                        self.xml.removeChild(item);
                    });

                    values.forEach(function (value) {

                        var hdr = Utils.createElement(_xmppConstants.Namespace.JINGLE_RTP_HDREXT_0, 'rtp-hdrext', _xmppConstants.Namespace.JINGLE_RTP_1);
                        Utils.setAttribute(hdr, 'id', value.id);
                        Utils.setAttribute(hdr, 'uri', value.uri);
                        Utils.setAttribute(hdr, 'senders', value.senders);
                        self.xml.appendChild(hdr);
                    });
                }
            }
        }
    });

    var PayloadType = JXT.define({
        name: '_payloadType',
        namespace: _xmppConstants.Namespace.JINGLE_RTP_1,
        element: 'payload-type',
        fields: {
            channels: Utils.attribute('channels'),
            clockrate: Utils.attribute('clockrate'),
            id: Utils.attribute('id'),
            maxptime: Utils.attribute('maxptime'),
            name: Utils.attribute('name'),
            ptime: Utils.attribute('ptime'),
            feedback: Feedback,
            parameters: {
                get: function get() {

                    var result = [];
                    var params = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_1, 'parameter');
                    params.forEach(function (param) {

                        result.push({
                            key: Utils.getAttribute(param, 'name'),
                            value: Utils.getAttribute(param, 'value')
                        });
                    });
                    return result;
                },
                set: function set(values) {

                    var self = this;
                    values.forEach(function (value) {

                        var param = Utils.createElement(_xmppConstants.Namespace.JINGLE_RTP_1, 'parameter');
                        Utils.setAttribute(param, 'name', value.key);
                        Utils.setAttribute(param, 'value', value.value);
                        self.xml.appendChild(param);
                    });
                }
            }
        }
    });

    var Crypto = JXT.define({
        name: 'crypto',
        namespace: _xmppConstants.Namespace.JINGLE_RTP_1,
        element: 'crypto',
        fields: {
            cipherSuite: Utils.attribute('crypto-suite'),
            keyParams: Utils.attribute('key-params'),
            sessionParams: Utils.attribute('session-params'),
            tag: Utils.attribute('tag')
        }
    });

    var ContentGroup = JXT.define({
        name: '_group',
        namespace: _xmppConstants.Namespace.JINGLE_GROUPING_0,
        element: 'group',
        fields: {
            semantics: Utils.attribute('semantics'),
            contents: Utils.multiSubAttribute(_xmppConstants.Namespace.JINGLE_GROUPING_0, 'content', 'name')
        }
    });

    var SourceGroup = JXT.define({
        name: '_sourceGroup',
        namespace: _xmppConstants.Namespace.JINGLE_RTP_SSMA_0,
        element: 'ssrc-group',
        fields: {
            semantics: Utils.attribute('semantics'),
            sources: Utils.multiSubAttribute(_xmppConstants.Namespace.JINGLE_RTP_SSMA_0, 'source', 'ssrc')
        }
    });

    var Source = JXT.define({
        name: '_source',
        namespace: _xmppConstants.Namespace.JINGLE_RTP_SSMA_0,
        element: 'source',
        fields: {
            ssrc: Utils.attribute('ssrc'),
            parameters: {
                get: function get() {

                    var result = [];
                    var params = Utils.find(this.xml, _xmppConstants.Namespace.JINGLE_RTP_SSMA_0, 'parameter');
                    params.forEach(function (param) {

                        result.push({
                            key: Utils.getAttribute(param, 'name'),
                            value: Utils.getAttribute(param, 'value')
                        });
                    });
                    return result;
                },
                set: function set(values) {

                    var self = this;
                    values.forEach(function (value) {

                        var param = Utils.createElement(_xmppConstants.Namespace.JINGLE_RTP_SSMA_0, 'parameter');
                        Utils.setAttribute(param, 'name', value.key);
                        Utils.setAttribute(param, 'value', value.value);
                        self.xml.appendChild(param);
                    });
                }
            }
        }
    });

    var Mute = JXT.define({
        name: 'mute',
        namespace: _xmppConstants.Namespace.JINGLE_RTP_INFO_1,
        element: 'mute',
        fields: {
            creator: Utils.attribute('creator'),
            name: Utils.attribute('name')
        }
    });

    var Unmute = JXT.define({
        name: 'unmute',
        namespace: _xmppConstants.Namespace.JINGLE_RTP_INFO_1,
        element: 'unmute',
        fields: {
            creator: Utils.attribute('creator'),
            name: Utils.attribute('name')
        }
    });

    JXT.extend(RTP, Bandwidth);
    JXT.extend(RTP, PayloadType, 'payloads');
    JXT.extend(RTP, Source, 'sources');
    JXT.extend(RTP, SourceGroup, 'sourceGroups');

    JXT.withDefinition('content', _xmppConstants.Namespace.JINGLE_1, function (Content) {

        JXT.extend(Content, RTP);
    });

    JXT.withDefinition('jingle', _xmppConstants.Namespace.JINGLE_1, function (Jingle) {

        JXT.extend(Jingle, Mute);
        JXT.extend(Jingle, Unmute);
        JXT.extend(Jingle, ContentGroup, 'groups');
        JXT.add(Jingle, 'ringing', Utils.boolSub(_xmppConstants.Namespace.JINGLE_RTP_INFO_1, 'ringing'));
        JXT.add(Jingle, 'hold', Utils.boolSub(_xmppConstants.Namespace.JINGLE_RTP_INFO_1, 'hold'));
        JXT.add(Jingle, 'active', Utils.boolSub(_xmppConstants.Namespace.JINGLE_RTP_INFO_1, 'active'));
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],183:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var TYPE_MAP = {
    insert: 't',
    erase: 'e',
    wait: 'w'
};

var ACTION_MAP = {
    t: 'insert',
    e: 'erase',
    w: 'wait'
};

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var RTT = JXT.define({
        name: 'rtt',
        namespace: _xmppConstants.Namespace.RTT_0,
        element: 'rtt',
        fields: {
            id: Utils.attribute('id'),
            event: Utils.attribute('event', 'edit'),
            seq: Utils.numberAttribute('seq'),
            actions: {
                get: function get() {

                    var results = [];
                    for (var i = 0, len = this.xml.childNodes.length; i < len; i++) {
                        var child = this.xml.childNodes[i];
                        var _name = child.localName;
                        var action = {};

                        if (child.namespaceURI !== _xmppConstants.Namespace.RTT_0) {
                            continue;
                        }

                        if (ACTION_MAP[_name]) {
                            action.type = ACTION_MAP[_name];
                        } else {
                            continue;
                        }

                        var pos = Utils.getAttribute(child, 'p');
                        if (pos) {
                            action.pos = parseInt(pos, 10);
                        }

                        var n = Utils.getAttribute(child, 'n');
                        if (n) {
                            action.num = parseInt(n, 10);
                        }

                        var t = Utils.getText(child);
                        if (t && _name === 't') {
                            action.text = t;
                        }

                        results.push(action);
                    }

                    return results;
                },
                set: function set(actions) {

                    var self = this;

                    for (var i = 0, len = this.xml.childNodes.length; i < len; i++) {
                        this.xml.removeChild(this.xml.childNodes[i]);
                    }

                    actions.forEach(function (action) {

                        if (!TYPE_MAP[action.type]) {
                            return;
                        }

                        var child = Utils.createElement(_xmppConstants.Namespace.RTT_0, TYPE_MAP[action.type], _xmppConstants.Namespace.RTT_0);

                        if (action.pos !== undefined) {
                            Utils.setAttribute(child, 'p', action.pos.toString());
                        }

                        if (action.num) {
                            Utils.setAttribute(child, 'n', action.num.toString());
                        }

                        if (action.text) {
                            Utils.setText(child, action.text);
                        }

                        self.xml.appendChild(child);
                    });
                }
            }
        }
    });

    JXT.extendMessage(RTT);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],184:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var CONDITIONS = ['aborted', 'account-disabled', 'credentials-expired', 'encryption-required', 'incorrect-encoding', 'invalid-authzid', 'invalid-mechanism', 'malformed-request', 'mechanism-too-weak', 'not-authorized', 'temporary-auth-failure'];

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Mechanisms = JXT.define({
        name: 'sasl',
        namespace: _xmppConstants.Namespace.SASL,
        element: 'mechanisms',
        fields: {
            mechanisms: Utils.multiTextSub(_xmppConstants.Namespace.SASL, 'mechanism')
        }
    });

    JXT.define({
        name: 'saslAuth',
        eventName: 'sasl:auth',
        namespace: _xmppConstants.Namespace.SASL,
        element: 'auth',
        topLevel: true,
        fields: {
            value: Utils.text(),
            mechanism: Utils.attribute('mechanism')
        }
    });

    JXT.define({
        name: 'saslChallenge',
        eventName: 'sasl:challenge',
        namespace: _xmppConstants.Namespace.SASL,
        element: 'challenge',
        topLevel: true,
        fields: {
            value: Utils.text()
        }
    });

    JXT.define({
        name: 'saslResponse',
        eventName: 'sasl:response',
        namespace: _xmppConstants.Namespace.SASL,
        element: 'response',
        topLevel: true,
        fields: {
            value: Utils.text()
        }
    });

    JXT.define({
        name: 'saslAbort',
        eventName: 'sasl:abort',
        namespace: _xmppConstants.Namespace.SASL,
        element: 'abort',
        topLevel: true
    });

    JXT.define({
        name: 'saslSuccess',
        eventName: 'sasl:success',
        namespace: _xmppConstants.Namespace.SASL,
        element: 'success',
        topLevel: true,
        fields: {
            value: Utils.text()
        }
    });

    JXT.define({
        name: 'saslFailure',
        eventName: 'sasl:failure',
        namespace: _xmppConstants.Namespace.SASL,
        element: 'failure',
        topLevel: true,
        fields: {
            lang: {
                get: function get() {

                    return this._lang || '';
                },
                set: function set(value) {

                    this._lang = value;
                }
            },
            condition: Utils.enumSub(_xmppConstants.Namespace.SASL, CONDITIONS),
            $text: {
                get: function get() {

                    return Utils.getSubLangText(this.xml, _xmppConstants.Namespace.SASL, 'text', this.lang);
                }
            },
            text: {
                get: function get() {

                    var text = this.$text;
                    return text[this.lang] || '';
                },
                set: function set(value) {

                    Utils.setSubLangText(this.xml, _xmppConstants.Namespace.SASL, 'text', value, this.lang);
                }
            }
        }
    });

    JXT.extendStreamFeatures(Mechanisms);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],185:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Session = JXT.define({
        name: 'session',
        namespace: _xmppConstants.Namespace.SESSION,
        element: 'session',
        fields: {
            required: JXT.utils.boolSub(_xmppConstants.Namespace.SESSION, 'required'),
            optional: JXT.utils.boolSub(_xmppConstants.Namespace.SESSION, 'optional')
        }
    });

    JXT.extendIQ(Session);
    JXT.extendStreamFeatures(Session);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],186:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var SHIM = {
        get: function get() {

            var headerSet = Utils.find(this.xml, _xmppConstants.Namespace.SHIM, 'headers');
            if (headerSet.length) {
                return Utils.getMultiSubText(headerSet[0], _xmppConstants.Namespace.SHIM, 'header', function (header) {

                    var name = Utils.getAttribute(header, 'name');
                    if (name) {
                        return {
                            name: name,
                            value: Utils.getText(header)
                        };
                    }
                });
            }
            return [];
        },
        set: function set(values) {

            var headerSet = Utils.findOrCreate(this.xml, _xmppConstants.Namespace.SHIM, 'headers');
            JXT.setMultiSubText(headerSet, _xmppConstants.Namespace.SHIM, 'header', values, function (val) {

                var header = Utils.createElement(_xmppConstants.Namespace.SHIM, 'header', _xmppConstants.Namespace.SHIM);
                Utils.setAttribute(header, 'name', val.name);
                Utils.setText(header, val.value);
                headerSet.appendChild(header);
            });
        }
    };

    JXT.withMessage(function (Message) {

        JXT.add(Message, 'headers', SHIM);
    });

    JXT.withPresence(function (Presence) {

        JXT.add(Presence, 'headers', SHIM);
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],187:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var SMFeature = JXT.define({
        name: 'streamManagement',
        namespace: _xmppConstants.Namespace.SMACKS_3,
        element: 'sm'
    });

    JXT.define({
        name: 'smEnable',
        eventName: 'stream:management:enable',
        namespace: _xmppConstants.Namespace.SMACKS_3,
        element: 'enable',
        topLevel: true,
        fields: {
            resume: Utils.boolAttribute('resume')
        }
    });

    JXT.define({
        name: 'smEnabled',
        eventName: 'stream:management:enabled',
        namespace: _xmppConstants.Namespace.SMACKS_3,
        element: 'enabled',
        topLevel: true,
        fields: {
            id: Utils.attribute('id'),
            resume: Utils.boolAttribute('resume')
        }
    });

    JXT.define({
        name: 'smResume',
        eventName: 'stream:management:resume',
        namespace: _xmppConstants.Namespace.SMACKS_3,
        element: 'resume',
        topLevel: true,
        fields: {
            h: Utils.numberAttribute('h', false, 0),
            previd: Utils.attribute('previd')
        }
    });

    JXT.define({
        name: 'smResumed',
        eventName: 'stream:management:resumed',
        namespace: _xmppConstants.Namespace.SMACKS_3,
        element: 'resumed',
        topLevel: true,
        fields: {
            h: Utils.numberAttribute('h', false, 0),
            previd: Utils.attribute('previd')
        }
    });

    JXT.define({
        name: 'smFailed',
        eventName: 'stream:management:failed',
        namespace: _xmppConstants.Namespace.SMACKS_3,
        element: 'failed',
        topLevel: true
    });

    JXT.define({
        name: 'smAck',
        eventName: 'stream:management:ack',
        namespace: _xmppConstants.Namespace.SMACKS_3,
        element: 'a',
        topLevel: true,
        fields: {
            h: Utils.numberAttribute('h', false, 0)
        }
    });

    JXT.define({
        name: 'smRequest',
        eventName: 'stream:management:request',
        namespace: _xmppConstants.Namespace.SMACKS_3,
        element: 'r',
        topLevel: true
    });

    JXT.extendStreamFeatures(SMFeature);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],188:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    JXT.define({
        name: 'stream',
        namespace: _xmppConstants.Namespace.STREAM,
        element: 'stream',
        fields: {
            lang: Utils.langAttribute(),
            id: Utils.attribute('id'),
            version: Utils.attribute('version', '1.0'),
            to: Utils.jidAttribute('to', true),
            from: Utils.jidAttribute('from', true)
        }
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],189:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

var CONDITIONS = ['bad-format', 'bad-namespace-prefix', 'conflict', 'connection-timeout', 'host-gone', 'host-unknown', 'improper-addressing', 'internal-server-error', 'invalid-from', 'invalid-namespace', 'invalid-xml', 'not-authorized', 'not-well-formed', 'policy-violation', 'remote-connection-failed', 'reset', 'resource-constraint', 'restricted-xml', 'see-other-host', 'system-shutdown', 'undefined-condition', 'unsupported-encoding', 'unsupported-feature', 'unsupported-stanza-type', 'unsupported-version'];

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    JXT.define({
        name: 'streamError',
        namespace: _xmppConstants.Namespace.STREAM,
        element: 'error',
        topLevel: true,
        fields: {
            lang: {
                get: function get() {

                    return this._lang || '';
                },
                set: function set(value) {

                    this._lang = value;
                }
            },
            condition: Utils.enumSub(_xmppConstants.Namespace.STREAM_ERROR, CONDITIONS),
            seeOtherHost: {
                get: function get() {

                    return Utils.getSubText(this.xml, _xmppConstants.Namespace.STREAM_ERROR, 'see-other-host');
                },
                set: function set(value) {

                    this.condition = 'see-other-host';
                    Utils.setSubText(this.xml, _xmppConstants.Namespace.STREAM_ERROR, 'see-other-host', value);
                }
            },
            $text: {
                get: function get() {

                    return Utils.getSubLangText(this.xml, _xmppConstants.Namespace.STREAM_ERROR, 'text', this.lang);
                }
            },
            text: {
                get: function get() {

                    var text = this.$text;
                    return text[this.lang] || '';
                },
                set: function set(value) {

                    Utils.setSubLangText(this.xml, _xmppConstants.Namespace.STREAM_ERROR, 'text', value, this.lang);
                }
            }
        }
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],190:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var StreamFeatures = JXT.define({
        name: 'streamFeatures',
        namespace: _xmppConstants.Namespace.STREAM,
        element: 'features',
        topLevel: true
    });

    var RosterVerFeature = JXT.define({
        name: 'rosterVersioning',
        namespace: _xmppConstants.Namespace.ROSTER_VERSIONING,
        element: 'ver'
    });

    var SubscriptionPreApprovalFeature = JXT.define({
        name: 'subscriptionPreApproval',
        namespace: _xmppConstants.Namespace.SUBSCRIPTION_PREAPPROVAL,
        element: 'sub'
    });

    JXT.extendStreamFeatures(RosterVerFeature);
    JXT.extendStreamFeatures(SubscriptionPreApprovalFeature);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],191:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var EntityTime = JXT.define({
        name: 'time',
        namespace: _xmppConstants.Namespace.TIME,
        element: 'time',
        fields: {
            utc: JXT.utils.dateSub(_xmppConstants.Namespace.TIME, 'utc'),
            tzo: JXT.utils.tzoSub(_xmppConstants.Namespace.TIME, 'tzo', 0)
        }
    });

    JXT.extendIQ(EntityTime);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],192:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var Tune = JXT.define({
        name: 'tune',
        namespace: _xmppConstants.Namespace.TUNE,
        element: 'tune',
        fields: {
            artist: Utils.textSub(_xmppConstants.Namespace.TUNE, 'artist'),
            length: Utils.numberSub(_xmppConstants.Namespace.TUNE, 'length'),
            rating: Utils.numberSub(_xmppConstants.Namespace.TUNE, 'rating'),
            source: Utils.textSub(_xmppConstants.Namespace.TUNE, 'source'),
            title: Utils.textSub(_xmppConstants.Namespace.TUNE, 'title'),
            track: Utils.textSub(_xmppConstants.Namespace.TUNE, 'track'),
            uri: Utils.textSub(_xmppConstants.Namespace.TUNE, 'uri')
        }
    });

    JXT.extendPubsubItem(Tune);
    JXT.extendMessage(Tune);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],193:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Utils = JXT.utils;

    var VCardTemp = JXT.define({
        name: 'vCardTemp',
        namespace: _xmppConstants.Namespace.VCARD_TEMP,
        element: 'vCard',
        fields: {
            role: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'ROLE'),
            website: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'URL'),
            title: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'TITLE'),
            description: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'DESC'),
            fullName: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'FN'),
            birthday: Utils.dateSub(_xmppConstants.Namespace.VCARD_TEMP, 'BDAY'),
            nicknames: Utils.multiTextSub(_xmppConstants.Namespace.VCARD_TEMP, 'NICKNAME'),
            jids: Utils.multiTextSub(_xmppConstants.Namespace.VCARD_TEMP, 'JABBERID')
        }
    });

    var Email = JXT.define({
        name: '_email',
        namespace: _xmppConstants.Namespace.VCARD_TEMP,
        element: 'EMAIL',
        fields: {
            email: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'USERID'),
            home: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'HOME'),
            work: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'WORK'),
            preferred: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'PREF')
        }
    });

    var PhoneNumber = JXT.define({
        name: '_tel',
        namespace: _xmppConstants.Namespace.VCARD_TEMP,
        element: 'TEL',
        fields: {
            number: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'NUMBER'),
            home: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'HOME'),
            work: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'WORK'),
            mobile: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'CELL'),
            preferred: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'PREF')
        }
    });

    var Address = JXT.define({
        name: '_address',
        namespace: _xmppConstants.Namespace.VCARD_TEMP,
        element: 'ADR',
        fields: {
            street: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'STREET'),
            street2: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'EXTADD'),
            country: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'CTRY'),
            city: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'LOCALITY'),
            region: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'REGION'),
            postalCode: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'PCODE'),
            pobox: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'POBOX'),
            home: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'HOME'),
            work: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'WORK'),
            preferred: Utils.boolSub(_xmppConstants.Namespace.VCARD_TEMP, 'PREF')
        }
    });

    var Organization = JXT.define({
        name: 'organization',
        namespace: _xmppConstants.Namespace.VCARD_TEMP,
        element: 'ORG',
        fields: {
            name: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'ORGNAME'),
            unit: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'ORGUNIT')
        }
    });

    var Name = JXT.define({
        name: 'name',
        namespace: _xmppConstants.Namespace.VCARD_TEMP,
        element: 'N',
        fields: {
            family: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'FAMILY'),
            given: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'GIVEN'),
            middle: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'MIDDLE'),
            prefix: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'PREFIX'),
            suffix: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'SUFFIX')
        }
    });

    var Photo = JXT.define({
        name: 'photo',
        namespace: _xmppConstants.Namespace.VCARD_TEMP,
        element: 'PHOTO',
        fields: {
            type: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'TYPE'),
            data: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'BINVAL'),
            url: Utils.textSub(_xmppConstants.Namespace.VCARD_TEMP, 'EXTVAL')
        }
    });

    JXT.extend(VCardTemp, Email, 'emails');
    JXT.extend(VCardTemp, Address, 'addresses');
    JXT.extend(VCardTemp, PhoneNumber, 'phoneNumbers');
    JXT.extend(VCardTemp, Organization);
    JXT.extend(VCardTemp, Name);
    JXT.extend(VCardTemp, Photo);

    JXT.extendIQ(VCardTemp);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],194:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    var Version = JXT.define({
        name: 'version',
        namespace: _xmppConstants.Namespace.VERSION,
        element: 'query',
        fields: {
            name: JXT.utils.textSub(_xmppConstants.Namespace.VERSION, 'name'),
            version: JXT.utils.textSub(_xmppConstants.Namespace.VERSION, 'version'),
            os: JXT.utils.textSub(_xmppConstants.Namespace.VERSION, 'os')
        }
    });

    JXT.extendIQ(Version);
};

module.exports = exports['default'];

},{"xmpp-constants":220}],195:[function(require,module,exports){
'use strict';

Object.defineProperty(exports, '__esModule', {
    value: true
});

var _xmppConstants = require('xmpp-constants');

exports['default'] = function (JXT) {

    JXT.withIQ(function (IQ) {

        JXT.add(IQ, 'visible', JXT.utils.boolSub(_xmppConstants.Namespace.INVISIBLE_0, 'visible'));
        JXT.add(IQ, 'invisible', JXT.utils.boolSub(_xmppConstants.Namespace.INVISIBLE_0, 'invisible'));
    });
};

module.exports = exports['default'];

},{"xmpp-constants":220}],196:[function(require,module,exports){
module.exports = { "default": require("core-js/library/fn/object/assign"), __esModule: true };
},{"core-js/library/fn/object/assign":198}],197:[function(require,module,exports){
"use strict";

exports["default"] = function (obj) {
  return obj && obj.__esModule ? obj : {
    "default": obj
  };
};

exports.__esModule = true;
},{}],198:[function(require,module,exports){
require('../../modules/es6.object.assign');
module.exports = require('../../modules/$.core').Object.assign;
},{"../../modules/$.core":201,"../../modules/es6.object.assign":211}],199:[function(require,module,exports){
module.exports = function(it){
  if(typeof it != 'function')throw TypeError(it + ' is not a function!');
  return it;
};
},{}],200:[function(require,module,exports){
var toString = {}.toString;

module.exports = function(it){
  return toString.call(it).slice(8, -1);
};
},{}],201:[function(require,module,exports){
var core = module.exports = {version: '1.2.6'};
if(typeof __e == 'number')__e = core; // eslint-disable-line no-undef
},{}],202:[function(require,module,exports){
// optional / simple context binding
var aFunction = require('./$.a-function');
module.exports = function(fn, that, length){
  aFunction(fn);
  if(that === undefined)return fn;
  switch(length){
    case 1: return function(a){
      return fn.call(that, a);
    };
    case 2: return function(a, b){
      return fn.call(that, a, b);
    };
    case 3: return function(a, b, c){
      return fn.call(that, a, b, c);
    };
  }
  return function(/* ...args */){
    return fn.apply(that, arguments);
  };
};
},{"./$.a-function":199}],203:[function(require,module,exports){
// 7.2.1 RequireObjectCoercible(argument)
module.exports = function(it){
  if(it == undefined)throw TypeError("Can't call method on  " + it);
  return it;
};
},{}],204:[function(require,module,exports){
var global    = require('./$.global')
  , core      = require('./$.core')
  , ctx       = require('./$.ctx')
  , PROTOTYPE = 'prototype';

var $export = function(type, name, source){
  var IS_FORCED = type & $export.F
    , IS_GLOBAL = type & $export.G
    , IS_STATIC = type & $export.S
    , IS_PROTO  = type & $export.P
    , IS_BIND   = type & $export.B
    , IS_WRAP   = type & $export.W
    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})
    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]
    , key, own, out;
  if(IS_GLOBAL)source = name;
  for(key in source){
    // contains in native
    own = !IS_FORCED && target && key in target;
    if(own && key in exports)continue;
    // export native or passed
    out = own ? target[key] : source[key];
    // prevent global pollution for namespaces
    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]
    // bind timers to global for call from export context
    : IS_BIND && own ? ctx(out, global)
    // wrap global constructors for prevent change them in library
    : IS_WRAP && target[key] == out ? (function(C){
      var F = function(param){
        return this instanceof C ? new C(param) : C(param);
      };
      F[PROTOTYPE] = C[PROTOTYPE];
      return F;
    // make static versions for prototype methods
    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
    if(IS_PROTO)(exports[PROTOTYPE] || (exports[PROTOTYPE] = {}))[key] = out;
  }
};
// type bitmap
$export.F = 1;  // forced
$export.G = 2;  // global
$export.S = 4;  // static
$export.P = 8;  // proto
$export.B = 16; // bind
$export.W = 32; // wrap
module.exports = $export;
},{"./$.core":201,"./$.ctx":202,"./$.global":206}],205:[function(require,module,exports){
module.exports = function(exec){
  try {
    return !!exec();
  } catch(e){
    return true;
  }
};
},{}],206:[function(require,module,exports){
// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028
var global = module.exports = typeof window != 'undefined' && window.Math == Math
  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
if(typeof __g == 'number')__g = global; // eslint-disable-line no-undef
},{}],207:[function(require,module,exports){
// fallback for non-array-like ES3 and non-enumerable old V8 strings
var cof = require('./$.cof');
module.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){
  return cof(it) == 'String' ? it.split('') : Object(it);
};
},{"./$.cof":200}],208:[function(require,module,exports){
var $Object = Object;
module.exports = {
  create:     $Object.create,
  getProto:   $Object.getPrototypeOf,
  isEnum:     {}.propertyIsEnumerable,
  getDesc:    $Object.getOwnPropertyDescriptor,
  setDesc:    $Object.defineProperty,
  setDescs:   $Object.defineProperties,
  getKeys:    $Object.keys,
  getNames:   $Object.getOwnPropertyNames,
  getSymbols: $Object.getOwnPropertySymbols,
  each:       [].forEach
};
},{}],209:[function(require,module,exports){
// 19.1.2.1 Object.assign(target, source, ...)
var $        = require('./$')
  , toObject = require('./$.to-object')
  , IObject  = require('./$.iobject');

// should work with symbols and should have deterministic property order (V8 bug)
module.exports = require('./$.fails')(function(){
  var a = Object.assign
    , A = {}
    , B = {}
    , S = Symbol()
    , K = 'abcdefghijklmnopqrst';
  A[S] = 7;
  K.split('').forEach(function(k){ B[k] = k; });
  return a({}, A)[S] != 7 || Object.keys(a({}, B)).join('') != K;
}) ? function assign(target, source){ // eslint-disable-line no-unused-vars
  var T     = toObject(target)
    , $$    = arguments
    , $$len = $$.length
    , index = 1
    , getKeys    = $.getKeys
    , getSymbols = $.getSymbols
    , isEnum     = $.isEnum;
  while($$len > index){
    var S      = IObject($$[index++])
      , keys   = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S)
      , length = keys.length
      , j      = 0
      , key;
    while(length > j)if(isEnum.call(S, key = keys[j++]))T[key] = S[key];
  }
  return T;
} : Object.assign;
},{"./$":208,"./$.fails":205,"./$.iobject":207,"./$.to-object":210}],210:[function(require,module,exports){
// 7.1.13 ToObject(argument)
var defined = require('./$.defined');
module.exports = function(it){
  return Object(defined(it));
};
},{"./$.defined":203}],211:[function(require,module,exports){
// 19.1.3.1 Object.assign(target, source)
var $export = require('./$.export');

$export($export.S + $export.F, 'Object', {assign: require('./$.object-assign')});
},{"./$.export":204,"./$.object-assign":209}],212:[function(require,module,exports){
arguments[4][54][0].apply(exports,arguments)
},{"dup":54,"lodash._arrayeach":213,"lodash._baseeach":214,"lodash._bindcallback":218,"lodash.isarray":219}],213:[function(require,module,exports){
arguments[4][55][0].apply(exports,arguments)
},{"dup":55}],214:[function(require,module,exports){
arguments[4][56][0].apply(exports,arguments)
},{"dup":56,"lodash.keys":215}],215:[function(require,module,exports){
arguments[4][57][0].apply(exports,arguments)
},{"dup":57,"lodash._getnative":216,"lodash.isarguments":217,"lodash.isarray":219}],216:[function(require,module,exports){
arguments[4][58][0].apply(exports,arguments)
},{"dup":58}],217:[function(require,module,exports){
arguments[4][59][0].apply(exports,arguments)
},{"dup":59}],218:[function(require,module,exports){
arguments[4][60][0].apply(exports,arguments)
},{"dup":60}],219:[function(require,module,exports){
arguments[4][61][0].apply(exports,arguments)
},{"dup":61}],220:[function(require,module,exports){
arguments[4][128][0].apply(exports,arguments)
},{"./lib/jingle":221,"./lib/muc":222,"./lib/namespaces":223,"./lib/presence":224,"./lib/pubsub":225,"dup":128}],221:[function(require,module,exports){
arguments[4][129][0].apply(exports,arguments)
},{"dup":129}],222:[function(require,module,exports){
arguments[4][130][0].apply(exports,arguments)
},{"dup":130}],223:[function(require,module,exports){
arguments[4][131][0].apply(exports,arguments)
},{"dup":131}],224:[function(require,module,exports){
arguments[4][132][0].apply(exports,arguments)
},{"dup":132}],225:[function(require,module,exports){
arguments[4][133][0].apply(exports,arguments)
},{"dup":133}],226:[function(require,module,exports){
arguments[4][134][0].apply(exports,arguments)
},{"./lib/stringprep":227,"dup":134}],227:[function(require,module,exports){
arguments[4][135][0].apply(exports,arguments)
},{"dup":135,"punycode":11}],228:[function(require,module,exports){
'use strict';

var extend = require('lodash.assign');
var uuid = require('uuid');
var ltx = require('ltx');

var types = require('./lib/types');
var helpers = require('./lib/helpers');
var stanzaConstructor = require('./lib/stanza');


function JXT() {
    this._LOOKUP = {};
    this._LOOKUP_EXT = {};
    this._TAGS = {};
    this._CB_DEFINITION = {};
    this._CB_TAG = {};
    this._ID = uuid.v4();
    this.utils = extend({}, types, helpers);
}

JXT.prototype.use = function (init) {
    if (!init['__JXT_LOADED_' + this._ID]) {
        init(this);
    }
    init['__JXT_LOADED_' + this._ID] = true;
    return this;
};

JXT.prototype.getDefinition = function (el, ns, required) {
    var JXTClass = this._LOOKUP[ns + '|' + el];
    if (required && !JXTClass) {
        throw new Error('Could not find definition for <' + el + ' xmlns="' + ns + '" />');
    }
    return JXTClass;
};

JXT.prototype.getExtensions = function (el, ns) {
    return this._LOOKUP_EXT[ns + '|' + el] || {};
};

JXT.prototype.withDefinition = function (el, ns, cb) {
    var name = ns + '|' + el;
    if (!this._CB_DEFINITION[name]) {
        this._CB_DEFINITION[name] = [];
    }
    this._CB_DEFINITION[name].push(cb);

    if (this._LOOKUP[name]) {
        cb(this._LOOKUP[name]);
    }
};

JXT.prototype.withTag = function (tag, cb) {
    if (!this._CB_TAG[tag]) {
        this._CB_TAG[tag] = [];
    }
    this._CB_TAG[tag].push(cb);

    this.tagged(tag).forEach(function (stanza) {
        cb(stanza);
    });
};

JXT.prototype.tagged = function (tag) {
    return this._TAGS[tag] || [];
};

JXT.prototype.build = function (xml) {
    var JXTClass = this.getDefinition(xml.localName, xml.namespaceURI);
    if (JXTClass) {
        return new JXTClass(null, xml);
    }
};

JXT.prototype.parse = function (str) {
    var xml = ltx.parse(str);
    if (xml.nodeType !== 1) {
        return;
    }

    return this.build(xml);
};

JXT.prototype.extend = function (ParentJXT, ChildJXT, multiName, hideSingle) {
    var parentName = ParentJXT.prototype._NS + '|' + ParentJXT.prototype._EL;
    var name = ChildJXT.prototype._name;
    var qName = ChildJXT.prototype._NS + '|' + ChildJXT.prototype._EL;

    this._LOOKUP[qName] = ChildJXT;
    if (!this._LOOKUP_EXT[qName]) {
        this._LOOKUP_EXT[qName] = {};
    }
    if (!this._LOOKUP_EXT[parentName]) {
        this._LOOKUP_EXT[parentName] = {};
    }
    this._LOOKUP_EXT[parentName][name] = ChildJXT;

    if (!multiName || (multiName && !hideSingle)) {
        this.add(ParentJXT, name, types.extension(ChildJXT));
    }
    if (multiName) {
        this.add(ParentJXT, multiName, types.multiExtension(ChildJXT));
    }
};

JXT.prototype.add = function (ParentJXT, fieldName, field) {
    field.enumerable = true;
    Object.defineProperty(ParentJXT.prototype, fieldName, field);
};

JXT.prototype.define = function (opts) {
    var self = this;

    var Stanza = stanzaConstructor(this, opts);

    var ns = Stanza.prototype._NS;
    var el = Stanza.prototype._EL;
    var tags = Stanza.prototype._TAGS;

    var name = ns + '|' + el;
    this._LOOKUP[name] = Stanza;

    tags.forEach(function (tag) {
        if (!self._TAGS[tag]) {
            self._TAGS[tag] = [];
        }
        self._TAGS[tag].push(Stanza);
    });

    var fieldNames = Object.keys(opts.fields || {});
    fieldNames.forEach(function (fieldName) {
        self.add(Stanza, fieldName, opts.fields[fieldName]);
    });

    if (this._CB_DEFINITION[name]) {
        this._CB_DEFINITION[name].forEach(function (handler) {
            handler(Stanza);
        });
    }

    tags.forEach(function (tag) {
        if (self._CB_TAG[tag]) {
            self._CB_TAG[tag].forEach(function (handler) {
                handler(Stanza);
            });
        }
    });

    return Stanza;
};


// Expose methods on the required module itself


JXT.createRegistry = function () {
    return new JXT();
};

extend(JXT, helpers);
extend(JXT, types);

// Compatibility shim for JXT 1.x

var globalJXT = new JXT();

JXT.define = globalJXT.define.bind(globalJXT);
JXT.extend = globalJXT.extend.bind(globalJXT);
JXT.add = globalJXT.add.bind(globalJXT);
JXT.parse = globalJXT.parse.bind(globalJXT);
JXT.build = globalJXT.build.bind(globalJXT);
JXT.getExtensions = globalJXT.getExtensions.bind(globalJXT);
JXT.getDefinition = globalJXT.getDefinition.bind(globalJXT);
JXT.withDefinition = globalJXT.withDefinition.bind(globalJXT);
JXT.withTag = globalJXT.withTag.bind(globalJXT);
JXT.tagged = globalJXT.tagged.bind(globalJXT);

JXT.getGlobalJXT = function () {
    return globalJXT;
};

module.exports = JXT;

},{"./lib/helpers":229,"./lib/stanza":230,"./lib/types":231,"lodash.assign":232,"ltx":245,"uuid":250}],229:[function(require,module,exports){
'use strict';

var ltx = require('ltx');

var XML_NS = exports.XML_NS = 'http://www.w3.org/XML/1998/namespace';


exports.createElement = function (NS, name, parentNS) {
    var el = new ltx.Element(name);
    if (!parentNS || parentNS !== NS) {
        exports.setAttribute(el, 'xmlns', NS);
    }
    return el;
};

var find = exports.find = function (xml, NS, selector) {
    var results = [];
    var children = xml.getElementsByTagName(selector);
    for (var i = 0, len = children.length; i < len; i++) {
        var child = children[i];
        if (child.namespaceURI === NS && child.parentNode === xml) {
            results.push(child);
        }
    }
    return results;
};

exports.findOrCreate = function (xml, NS, selector) {
    var existing = exports.find(xml, NS, selector);
    if (existing.length) {
        return existing[0];
    } else {
        var created = exports.createElement(NS, selector, xml.namespaceURI);
        xml.appendChild(created);
        return created;
    }
};

exports.getAttribute = function (xml, attr, defaultVal) {
    return xml.getAttribute(attr) || defaultVal || '';
};

exports.getAttributeNS = function (xml, NS, attr, defaultVal) {
    return xml.getAttributeNS(NS, attr) || defaultVal || '';
};

exports.setAttribute = function (xml, attr, value, force) {
    if (value || force) {
        xml.setAttribute(attr, value);
    } else {
        xml.removeAttribute(attr);
    }
};

exports.setAttributeNS = function (xml, NS, attr, value, force) {
    if (value || force) {
        xml.setAttributeNS(NS, attr, value);
    } else {
        xml.removeAttributeNS(NS, attr);
    }
};

exports.getBoolAttribute = function (xml, attr, defaultVal) {
    var val = xml.getAttribute(attr) || defaultVal || '';
    return val === 'true' || val === '1';
};

exports.setBoolAttribute = function (xml, attr, value) {
    if (value) {
        xml.setAttribute(attr, '1');
    } else {
        xml.removeAttribute(attr);
    }
};

exports.getSubAttribute = function (xml, NS, sub, attr, defaultVal) {
    var subs = find(xml, NS, sub);
    if (!subs) {
        return '';
    }

    for (var i = 0; i < subs.length; i++) {
        return subs[i].getAttribute(attr) || defaultVal || '';
    }

    return '';
};

exports.setSubAttribute = function (xml, NS, sub, attr, value) {
    var subs = find(xml, NS, sub);
    if (!subs.length) {
        if (value) {
            sub = exports.createElement(NS, sub, xml.namespaceURI);
            sub.setAttribute(attr, value);
            xml.appendChild(sub);
        }
    } else {
        for (var i = 0; i < subs.length; i++) {
            if (value) {
                subs[i].setAttribute(attr, value);
                return;
            } else {
                subs[i].removeAttribute(attr);
            }
        }
    }
};

exports.getBoolSubAttribute = function (xml, NS, sub, attr, defaultVal) {
    var val = xml.getSubAttribute(NS, sub, attr) || defaultVal || '';
    return val === 'true' || val === '1';
};

exports.setBoolSubAttribute = function (xml, NS, sub, attr, value) {
    value = value ? '1' : '';
    exports.setSubAttribute(xml, NS, sub, attr, value);
};

exports.getText = function (xml) {
    return xml.textContent;
};

exports.setText = function (xml, value) {
    xml.textContent = value;
};

exports.getSubText = exports.getTextSub = function (xml, NS, element, defaultVal) {
    var subs = find(xml, NS, element);

    defaultVal = defaultVal || '';

    if (!subs.length) {
        return defaultVal;
    }

    return subs[0].textContent || defaultVal;
};

exports.setSubText = exports.setTextSub = function (xml, NS, element, value) {
    var subs = find(xml, NS, element);
    if (subs.length) {
        for (var i = 0; i < subs.length; i++) {
            xml.removeChild(subs[i]);
        }
    }

    if (value) {
        var sub = exports.createElement(NS, element, xml.namespaceURI);
        if (value !== true) {
            sub.textContent = value;
        }
        xml.appendChild(sub);
    }
};

exports.getMultiSubText = function (xml, NS, element, extractor) {
    var subs = find(xml, NS, element);
    var results = [];

    extractor = extractor || function (sub) {
        return sub.textContent || '';
    };

    for (var i = 0; i < subs.length; i++) {
        results.push(extractor(subs[i]));
    }

    return results;
};

exports.setMultiSubText = function (xml, NS, element, value, builder) {
    var subs = find(xml, NS, element);
    var values = [];
    builder = builder || function (value) {
        if (value) {
            var sub = exports.createElement(NS, element, xml.namespaceURI);
            sub.textContent = value;
            xml.appendChild(sub);
        }
    };
    if (typeof value === 'string') {
        values = (value || '').split('\n');
    } else {
        values = value;
    }

    var i, len;
    for(i = 0, len = subs.length; i < len; i++) {
        xml.removeChild(subs[i]);
    }

    for(i = 0, len = values.length; i < len; i++) {
        builder(values[i]);
    }
};

exports.getMultiSubAttribute = function (xml, NS, element, attr) {
    return exports.getMultiSubText(xml, NS, element, function (sub) {
        return exports.getAttribute(sub, attr);
    });
};

exports.setMultiSubAttribute = function (xml, NS, element, attr, value) {
    exports.setMultiSubText(xml, NS, element, value, function (val) {
        var sub = exports.createElement(NS, element, xml.namespaceURI);
        exports.setAttribute(sub, attr, val);
        xml.appendChild(sub);
    });
};

exports.getSubLangText = function (xml, NS, element, defaultLang) {
    var subs = find(xml, NS, element);
    if (!subs.length) {
        return {};
    }

    var lang, sub;
    var results = {};
    var langs = [];

    for (var i = 0; i < subs.length; i++) {
        sub = subs[i];
        lang = sub.getAttributeNS(XML_NS, 'lang') || defaultLang;
        langs.push(lang);
        results[lang] = sub.textContent || '';
    }

    return results;
};

exports.setSubLangText = function (xml, NS, element, value, defaultLang) {
    var sub, lang;
    var subs = find(xml, NS, element);
    if (subs.length) {
        for (var i = 0; i < subs.length; i++) {
            xml.removeChild(subs[i]);
        }
    }

    if (typeof value === 'string') {
        sub = exports.createElement(NS, element, xml.namespaceURI);
        sub.textContent = value;
        xml.appendChild(sub);
    } else if (typeof value === 'object') {
        for (lang in value) {
            if (value.hasOwnProperty(lang)) {
                sub = exports.createElement(NS, element, xml.namespaceURI);
                if (lang !== defaultLang) {
                    sub.setAttributeNS(XML_NS, 'lang', lang);
                }
                sub.textContent = value[lang];
                xml.appendChild(sub);
            }
        }
    }
};

exports.getBoolSub = function (xml, NS, element) {
    var subs = find(xml, NS, element);
    return !!subs.length;
};

exports.setBoolSub = function (xml, NS, element, value) {
    var subs = find(xml, NS, element);
    if (!subs.length) {
        if (value) {
            var sub = exports.createElement(NS, element, xml.namespaceURI);
            xml.appendChild(sub);
        }
    } else {
        for (var i = 0; i < subs.length; i++) {
            if (value) {
                return;
            } else {
                xml.removeChild(subs[i]);
            }
        }
    }
};

},{"ltx":245}],230:[function(require,module,exports){
'use strict';

var helpers = require('./helpers');
var extend = require('lodash.assign');


var EXCLUDE = {
    constructor: true,
    parent: true,
    prototype: true,
    toJSON: true,
    toString: true,
    xml: true
};


module.exports = function (JXT, opts) {
    function Stanza(data, xml, parent) {
        var self = this;

        var parentNode = (xml || {}).parentNode || (parent || {}).xml;
        var parentNS = (parentNode || {}).namespaceURI;

        self.xml = xml || helpers.createElement(self._NS, self._EL, parentNS);

        Object.keys(self._PREFIXES).forEach(function (prefix) {
            var namespace = self._PREFIXES[prefix];
            self.xml.setAttribute('xmlns:' + prefix, namespace);
        });

        self._extensions = {};

        for (var i = 0, len = self.xml.childNodes.length; i < len; i++) {
            var child = self.xml.childNodes[i];
            var ChildJXT = JXT.getDefinition(child.localName, child.namespaceURI);
            if (ChildJXT !== undefined) {
                var name = ChildJXT.prototype._name;
                self._extensions[name] = new ChildJXT(null, child);
                self._extensions[name].parent = self;
            }
        }

        extend(self, data);

        if (opts.init) {
            opts.init.apply(self, [data]);
        }

        return self;
    }


    Stanza.prototype._name = opts.name;
    Stanza.prototype._eventname = opts.eventName;
    Stanza.prototype._NS = opts.namespace;
    Stanza.prototype._EL = opts.element || opts.name;
    Stanza.prototype._PREFIXES = opts.prefixes || {};
    Stanza.prototype._TAGS = opts.tags || [];

    Stanza.prototype.toString = function () {
        return this.xml.toString();
    };

    Stanza.prototype.toJSON = function () {
        var prop;
        var result = {};

        for (prop in this._extensions) {
            if (this._extensions[prop].toJSON && prop[0] !== '_') {
                result[prop] = this._extensions[prop].toJSON();
            }
        }

        for (prop in this) {
            var allowedName = !EXCLUDE[prop] && prop[0] !== '_';
            var isExtensionName = JXT.getExtensions(this._EL, this._NS)[prop];

            if (allowedName && !isExtensionName) {
                var val = this[prop];
                if (typeof val === 'function') {
                    continue;
                }
                var type = Object.prototype.toString.call(val);
                if (type.indexOf('Object') >= 0) {
                    if (Object.keys(val).length > 0) {
                        result[prop] = val;
                    }
                } else if (type.indexOf('Array') >= 0) {
                    if (val.length > 0) {
                        var vals = [];
                        var len = val.length;
                        for (var n = 0; n < len; n++) {
                            var nval = val[n];
                            if (typeof nval !== 'undefined') {
                                if (nval.toJSON !== undefined) {
                                    vals.push(nval.toJSON());
                                } else {
                                    vals.push(nval);
                                }
                            }
                        }
                        result[prop] = vals;
                    }
                } else if (val !== undefined && val !== false && val !== '') {
                    result[prop] = val;
                }
            }
        }

        return result;
    };

    return Stanza;
};

},{"./helpers":229,"lodash.assign":232}],231:[function(require,module,exports){
(function (Buffer){
'use strict';

var helpers = require('./helpers');
var extend = require('lodash.assign');

var find = helpers.find;
var createElement = helpers.createElement;


var field = exports.field = function (getter, setter) {
    return function () {
        var args = Array.prototype.slice.call(arguments);
        return {
            get: function () {
                return getter.apply(null, [this.xml].concat(args));
            },
            set: function (value) {
                setter.apply(null, ([this.xml].concat(args)).concat([value]));
            }
        };
    };
};

exports.boolAttribute = field(
    helpers.getBoolAttribute,
    helpers.setBoolAttribute);

exports.subAttribute = field(
    helpers.getSubAttribute,
    helpers.setSubAttribute);

exports.boolSubAttribute = field(
    helpers.getSubBoolAttribute,
    helpers.setSubBoolAttribute);

exports.text = field(
    helpers.getText,
    helpers.setText);

exports.textSub = exports.subText = field(
    helpers.getSubText,
    helpers.setSubText);

exports.multiTextSub = exports.multiSubText = field(
    helpers.getMultiSubText,
    helpers.setMultiSubText);

exports.multiSubAttribute  = field(
    helpers.getMultiSubAttribute,
    helpers.setMultiSubAttribute);

exports.langTextSub = exports.subLangText = field(
    helpers.getSubLangText,
    helpers.setSubLangText);

exports.boolSub = field(
    helpers.getBoolSub,
    helpers.setBoolSub);

exports.langAttribute = field(
    function (xml) {
        return xml.getAttributeNS(helpers.XML_NS, 'lang') || '';
    },
    function (xml, value) {
        xml.setAttributeNS(helpers.XML_NS, 'lang', value);
    }
);

exports.b64Text = field(
    function (xml) {
        if (xml.textContent && xml.textContent !== '=') {
            return new Buffer(xml.textContent, 'base64');
        }
        return '';
    },
    function (xml, value) {
        if (typeof value === 'string') {
            var b64 = (new Buffer(value)).toString('base64');
            xml.textContent = b64 || '=';
        } else {
            xml.textContent = '';
        }
    }
);

exports.dateAttribute = function (attr, now) {
    return {
        get: function () {
            var data = helpers.getAttribute(this.xml, attr);
            if (data) {
                return new Date(data);
            }
            if (now) {
                return new Date(Date.now());
            }
        },
        set: function (value) {
            if (!value) {
                return;
            }
            if (typeof value !== 'string') {
                value = value.toISOString();
            }
            helpers.setAttribute(this.xml, attr, value);
        }
    };
};

exports.dateSub = function (NS, sub, now) {
    return {
        get: function () {
            var data = helpers.getSubText(this.xml, NS, sub);
            if (data) {
                return new Date(data);
            }
            if (now) {
                return new Date(Date.now());
            }
        },
        set: function (value) {
            if (!value) {
                return;
            }
            if (typeof value !== 'string') {
                value = value.toISOString();
            }
            helpers.setSubText(this.xml, NS, sub, value);
        }
    };
};

exports.dateSubAttribute = function (NS, sub, attr, now) {
    return {
        get: function () {
            var data = helpers.getSubAttribute(this.xml, NS, sub, attr);
            if (data) {
                return new Date(data);
            }
            if (now) {
                return new Date(Date.now());
            }
        },
        set: function (value) {
            if (!value) {
                return;
            }
            if (typeof value !== 'string') {
                value = value.toISOString();
            }
            helpers.setSubAttribute(this.xml, NS, sub, attr, value);
        }
    };
};

exports.numberAttribute = function (attr, isFloat, defaultVal) {
    return {
        get: function () {
            var parse = isFloat ? parseFloat : parseInt;
            var data = helpers.getAttribute(this.xml, attr, '');
            if (!data) {
                return defaultVal;
            }
            var parsed = parse(data, 10);
            if (isNaN(parsed)) {
                return defaultVal;
            }

            return parsed;
        },
        set: function (value) {
            helpers.setAttribute(this.xml, attr, value.toString());
        }
    };
};

exports.numberSub = function (NS, sub, isFloat, defaultVal) {
    return {
        get: function () {
            var parse = isFloat ? parseFloat : parseInt;
            var data = helpers.getSubText(this.xml, NS, sub, '');
            if (!data) {
                return defaultVal;
            }

            var parsed = parse(data, 10);
            if (isNaN(parsed)) {
                return defaultVal;
            }

            return parsed;
        },
        set: function (value) {
            helpers.setSubText(this.xml, NS, sub, value.toString());
        }
    };
};

exports.attribute = function (name, defaultVal) {
    return {
        get: function () {
            return helpers.getAttribute(this.xml, name, defaultVal);
        },
        set: function (value) {
            helpers.setAttribute(this.xml, name, value);
        }
    };
};

exports.attributeNS = function (NS, name, defaultVal) {
    return {
        get: function () {
            return helpers.getAttributeNS(this.xml, NS, name, defaultVal);
        },
        set: function (value) {
            helpers.setAttributeNS(this.xml, NS, name, value);
        }
    };
};

exports.extension = function (ChildJXT) {
    return {
        get: function () {
            var self = this;
            var name = ChildJXT.prototype._name;
            if (!this._extensions[name]) {
                var existing = find(this.xml, ChildJXT.prototype._NS, ChildJXT.prototype._EL);
                if (!existing.length) {
                    this._extensions[name] = new ChildJXT({}, null, self);
                    this.xml.appendChild(this._extensions[name].xml);
                } else {
                    this._extensions[name] = new ChildJXT(null, existing[0], self);
                }
                this._extensions[name].parent = this;
            }
            return this._extensions[name];
        },
        set: function (value) {
            if (value) {
                var child = this[ChildJXT.prototype._name];
                if (value === true) {
                    value = {};
                }
                extend(child, value);
            }
        }
    };
};

exports.multiExtension = function (ChildJXT) {
    return {
        get: function () {
            var self = this;
            var data = find(this.xml, ChildJXT.prototype._NS, ChildJXT.prototype._EL);
            var results = [];

            for (var i = 0, len = data.length; i < len; i++) {
                results.push(new ChildJXT({}, data[i], self));
            }

            return results;
        },
        set: function (value) {
            value = value || [];

            var self = this;
            var existing = find(this.xml, ChildJXT.prototype._NS, ChildJXT.prototype._EL);

            var i, len;
            for (i = 0, len = existing.length; i < len; i++) {
                self.xml.removeChild(existing[i]);
            }

            for (i = 0, len = value.length; i < len; i++) {
                var content = new ChildJXT(value[i], null, self);
                self.xml.appendChild(content.xml);
            }
        }
    };
};

exports.enumSub = function (NS, enumValues) {
    return {
        get: function () {
            var self = this;
            var result = [];
            enumValues.forEach(function (enumVal) {
                var exists = find(self.xml, NS, enumVal);
                if (exists.length) {
                    result.push(exists[0].nodeName);
                }
            });
            return result[0] || '';
        },
        set: function (value) {
            var self = this;
            var alreadyExists = false;

            enumValues.forEach(function (enumVal) {
                var elements = find(self.xml, NS, enumVal);
                if (elements.length) {
                    if (enumVal === value) {
                        alreadyExists = true;
                    } else {
                        self.xml.removeChild(elements[0]);
                    }
                }
            });

            if (value && !alreadyExists) {
                var condition = createElement(NS, value);
                this.xml.appendChild(condition);
            }
        }
    };
};

exports.subExtension = function (name, NS, sub, ChildJXT) {
    return {
        get: function () {
            if (!this._extensions[name]) {
                var wrapper = find(this.xml, NS, sub);
                if (!wrapper.length) {
                    wrapper= createElement(NS, sub, this._NS);
                    this.xml.appendChild(wrapper);
                } else {
                    wrapper = wrapper[0];
                }

                var existing = find(wrapper, ChildJXT.prototype._NS, ChildJXT.prototype._EL);
                if (!existing.length) {
                    this._extensions[name] = new ChildJXT({}, null, {xml: wrapper});
                    wrapper.appendChild(this._extensions[name].xml);
                } else {
                    this._extensions[name] = new ChildJXT(null, existing[0], {xml: wrapper});
                }
                this._extensions[name].parent = this;
            }
            return this._extensions[name];
        },
        set: function (value) {
            var wrapper = find(this.xml, NS, sub);
            if (wrapper.length && !value) {
                this.xml.removeChild(wrapper[0]);
            }

            if (value) {
                var child = this[name];
                if (value === true) {
                    value = {};
                }
                extend(child, value);
            }
        }
    };
};

exports.subMultiExtension = function (NS, sub, ChildJXT) {
    return {
        get: function () {
            var self = this;
            var results = [];
            var existing = find(this.xml, NS, sub);
            if (!existing.length) {
                return results;
            }
            existing = existing[0];
            var data = find(existing, ChildJXT.prototype._NS, ChildJXT.prototype._EL);

            data.forEach(function (xml) {
                results.push(new ChildJXT({}, xml, self));
            });
            return results;
        },
        set: function (values) {
            var self = this;
            var existing = find(this.xml, NS, sub);
            if (existing.length) {
                self.xml.removeChild(existing[0]);
            }

            if (!values.length) {
                return;
            }

            existing = createElement(NS, sub, this._NS);

            values.forEach(function (value) {
                var content = new ChildJXT(value, null, self);
                existing.appendChild(content.xml);
            });

            self.xml.appendChild(existing);
        }
    };
};

}).call(this,require("buffer").Buffer)
},{"./helpers":229,"buffer":2,"lodash.assign":232}],232:[function(require,module,exports){
/**
 * lodash 3.2.0 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var baseAssign = require('lodash._baseassign'),
    createAssigner = require('lodash._createassigner'),
    keys = require('lodash.keys');

/**
 * A specialized version of `_.assign` for customizing assigned values without
 * support for argument juggling, multiple sources, and `this` binding `customizer`
 * functions.
 *
 * @private
 * @param {Object} object The destination object.
 * @param {Object} source The source object.
 * @param {Function} customizer The function to customize assigned values.
 * @returns {Object} Returns `object`.
 */
function assignWith(object, source, customizer) {
  var index = -1,
      props = keys(source),
      length = props.length;

  while (++index < length) {
    var key = props[index],
        value = object[key],
        result = customizer(value, source[key], key, object, source);

    if ((result === result ? (result !== value) : (value === value)) ||
        (value === undefined && !(key in object))) {
      object[key] = result;
    }
  }
  return object;
}

/**
 * Assigns own enumerable properties of source object(s) to the destination
 * object. Subsequent sources overwrite property assignments of previous sources.
 * If `customizer` is provided it is invoked to produce the assigned values.
 * The `customizer` is bound to `thisArg` and invoked with five arguments:
 * (objectValue, sourceValue, key, object, source).
 *
 * **Note:** This method mutates `object` and is based on
 * [`Object.assign`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-object.assign).
 *
 * @static
 * @memberOf _
 * @alias extend
 * @category Object
 * @param {Object} object The destination object.
 * @param {...Object} [sources] The source objects.
 * @param {Function} [customizer] The function to customize assigned values.
 * @param {*} [thisArg] The `this` binding of `customizer`.
 * @returns {Object} Returns `object`.
 * @example
 *
 * _.assign({ 'user': 'barney' }, { 'age': 40 }, { 'user': 'fred' });
 * // => { 'user': 'fred', 'age': 40 }
 *
 * // using a customizer callback
 * var defaults = _.partialRight(_.assign, function(value, other) {
 *   return _.isUndefined(value) ? other : value;
 * });
 *
 * defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });
 * // => { 'user': 'barney', 'age': 36 }
 */
var assign = createAssigner(function(object, source, customizer) {
  return customizer
    ? assignWith(object, source, customizer)
    : baseAssign(object, source);
});

module.exports = assign;

},{"lodash._baseassign":233,"lodash._createassigner":235,"lodash.keys":239}],233:[function(require,module,exports){
/**
 * lodash 3.2.0 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var baseCopy = require('lodash._basecopy'),
    keys = require('lodash.keys');

/**
 * The base implementation of `_.assign` without support for argument juggling,
 * multiple sources, and `customizer` functions.
 *
 * @private
 * @param {Object} object The destination object.
 * @param {Object} source The source object.
 * @returns {Object} Returns `object`.
 */
function baseAssign(object, source) {
  return source == null
    ? object
    : baseCopy(source, keys(source), object);
}

module.exports = baseAssign;

},{"lodash._basecopy":234,"lodash.keys":239}],234:[function(require,module,exports){
/**
 * lodash 3.0.1 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/**
 * Copies properties of `source` to `object`.
 *
 * @private
 * @param {Object} source The object to copy properties from.
 * @param {Array} props The property names to copy.
 * @param {Object} [object={}] The object to copy properties to.
 * @returns {Object} Returns `object`.
 */
function baseCopy(source, props, object) {
  object || (object = {});

  var index = -1,
      length = props.length;

  while (++index < length) {
    var key = props[index];
    object[key] = source[key];
  }
  return object;
}

module.exports = baseCopy;

},{}],235:[function(require,module,exports){
/**
 * lodash 3.1.1 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */
var bindCallback = require('lodash._bindcallback'),
    isIterateeCall = require('lodash._isiterateecall'),
    restParam = require('lodash.restparam');

/**
 * Creates a function that assigns properties of source object(s) to a given
 * destination object.
 *
 * **Note:** This function is used to create `_.assign`, `_.defaults`, and `_.merge`.
 *
 * @private
 * @param {Function} assigner The function to assign values.
 * @returns {Function} Returns the new assigner function.
 */
function createAssigner(assigner) {
  return restParam(function(object, sources) {
    var index = -1,
        length = object == null ? 0 : sources.length,
        customizer = length > 2 ? sources[length - 2] : undefined,
        guard = length > 2 ? sources[2] : undefined,
        thisArg = length > 1 ? sources[length - 1] : undefined;

    if (typeof customizer == 'function') {
      customizer = bindCallback(customizer, thisArg, 5);
      length -= 2;
    } else {
      customizer = typeof thisArg == 'function' ? thisArg : undefined;
      length -= (customizer ? 1 : 0);
    }
    if (guard && isIterateeCall(sources[0], sources[1], guard)) {
      customizer = length < 3 ? undefined : customizer;
      length = 1;
    }
    while (++index < length) {
      var source = sources[index];
      if (source) {
        assigner(object, source, customizer);
      }
    }
    return object;
  });
}

module.exports = createAssigner;

},{"lodash._bindcallback":236,"lodash._isiterateecall":237,"lodash.restparam":238}],236:[function(require,module,exports){
arguments[4][60][0].apply(exports,arguments)
},{"dup":60}],237:[function(require,module,exports){
/**
 * lodash 3.0.9 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/** Used to detect unsigned integer values. */
var reIsUint = /^\d+$/;

/**
 * Used as the [maximum length](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-number.max_safe_integer)
 * of an array-like value.
 */
var MAX_SAFE_INTEGER = 9007199254740991;

/**
 * The base implementation of `_.property` without support for deep paths.
 *
 * @private
 * @param {string} key The key of the property to get.
 * @returns {Function} Returns the new function.
 */
function baseProperty(key) {
  return function(object) {
    return object == null ? undefined : object[key];
  };
}

/**
 * Gets the "length" property value of `object`.
 *
 * **Note:** This function is used to avoid a [JIT bug](https://bugs.webkit.org/show_bug.cgi?id=142792)
 * that affects Safari on at least iOS 8.1-8.3 ARM64.
 *
 * @private
 * @param {Object} object The object to query.
 * @returns {*} Returns the "length" value.
 */
var getLength = baseProperty('length');

/**
 * Checks if `value` is array-like.
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
 */
function isArrayLike(value) {
  return value != null && isLength(getLength(value));
}

/**
 * Checks if `value` is a valid array-like index.
 *
 * @private
 * @param {*} value The value to check.
 * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
 * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
 */
function isIndex(value, length) {
  value = (typeof value == 'number' || reIsUint.test(value)) ? +value : -1;
  length = length == null ? MAX_SAFE_INTEGER : length;
  return value > -1 && value % 1 == 0 && value < length;
}

/**
 * Checks if the provided arguments are from an iteratee call.
 *
 * @private
 * @param {*} value The potential iteratee value argument.
 * @param {*} index The potential iteratee index or key argument.
 * @param {*} object The potential iteratee object argument.
 * @returns {boolean} Returns `true` if the arguments are from an iteratee call, else `false`.
 */
function isIterateeCall(value, index, object) {
  if (!isObject(object)) {
    return false;
  }
  var type = typeof index;
  if (type == 'number'
      ? (isArrayLike(object) && isIndex(index, object.length))
      : (type == 'string' && index in object)) {
    var other = object[index];
    return value === value ? (value === other) : (other !== other);
  }
  return false;
}

/**
 * Checks if `value` is a valid array-like length.
 *
 * **Note:** This function is based on [`ToLength`](https://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength).
 *
 * @private
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
 */
function isLength(value) {
  return typeof value == 'number' && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
}

/**
 * Checks if `value` is the [language type](https://es5.github.io/#x8) of `Object`.
 * (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
 *
 * @static
 * @memberOf _
 * @category Lang
 * @param {*} value The value to check.
 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
 * @example
 *
 * _.isObject({});
 * // => true
 *
 * _.isObject([1, 2, 3]);
 * // => true
 *
 * _.isObject(1);
 * // => false
 */
function isObject(value) {
  // Avoid a V8 JIT bug in Chrome 19-20.
  // See https://code.google.com/p/v8/issues/detail?id=2291 for more details.
  var type = typeof value;
  return !!value && (type == 'object' || type == 'function');
}

module.exports = isIterateeCall;

},{}],238:[function(require,module,exports){
/**
 * lodash 3.6.1 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/** Used as the `TypeError` message for "Functions" methods. */
var FUNC_ERROR_TEXT = 'Expected a function';

/* Native method references for those with the same name as other `lodash` methods. */
var nativeMax = Math.max;

/**
 * Creates a function that invokes `func` with the `this` binding of the
 * created function and arguments from `start` and beyond provided as an array.
 *
 * **Note:** This method is based on the [rest parameter](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/rest_parameters).
 *
 * @static
 * @memberOf _
 * @category Function
 * @param {Function} func The function to apply a rest parameter to.
 * @param {number} [start=func.length-1] The start position of the rest parameter.
 * @returns {Function} Returns the new function.
 * @example
 *
 * var say = _.restParam(function(what, names) {
 *   return what + ' ' + _.initial(names).join(', ') +
 *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);
 * });
 *
 * say('hello', 'fred', 'barney', 'pebbles');
 * // => 'hello fred, barney, & pebbles'
 */
function restParam(func, start) {
  if (typeof func != 'function') {
    throw new TypeError(FUNC_ERROR_TEXT);
  }
  start = nativeMax(start === undefined ? (func.length - 1) : (+start || 0), 0);
  return function() {
    var args = arguments,
        index = -1,
        length = nativeMax(args.length - start, 0),
        rest = Array(length);

    while (++index < length) {
      rest[index] = args[start + index];
    }
    switch (start) {
      case 0: return func.call(this, rest);
      case 1: return func.call(this, args[0], rest);
      case 2: return func.call(this, args[0], args[1], rest);
    }
    var otherArgs = Array(start + 1);
    index = -1;
    while (++index < start) {
      otherArgs[index] = args[index];
    }
    otherArgs[start] = rest;
    return func.apply(this, otherArgs);
  };
}

module.exports = restParam;

},{}],239:[function(require,module,exports){
arguments[4][57][0].apply(exports,arguments)
},{"dup":57,"lodash._getnative":240,"lodash.isarguments":241,"lodash.isarray":242}],240:[function(require,module,exports){
arguments[4][58][0].apply(exports,arguments)
},{"dup":58}],241:[function(require,module,exports){
arguments[4][59][0].apply(exports,arguments)
},{"dup":59}],242:[function(require,module,exports){
arguments[4][61][0].apply(exports,arguments)
},{"dup":61}],243:[function(require,module,exports){
'use strict';

var util = require('util')
  , Element = require('./element').Element

function DOMElement(name, attrs) {
    Element.call(this, name, attrs)

    this.nodeType = 1
    this.nodeName = this.localName
}

util.inherits(DOMElement, Element)

DOMElement.prototype._getElement = function(name, attrs) {
    var element = new DOMElement(name, attrs)
    return element
}

Object.defineProperty(DOMElement.prototype, 'localName', {
    get: function () {
        return this.getName()
    }
})

Object.defineProperty(DOMElement.prototype, 'namespaceURI', {
    get: function () {
        return this.getNS()
    }
})

Object.defineProperty(DOMElement.prototype, 'parentNode', {
    get: function () {
        return this.parent
    }
})

Object.defineProperty(DOMElement.prototype, 'childNodes', {
    get: function () {
        return this.children
    }
})

Object.defineProperty(DOMElement.prototype, 'textContent', {
    get: function () {
        return this.getText()
    },
    set: function (value) {
        this.children.push(value)
    }
})

DOMElement.prototype.getElementsByTagName = function (name) {
    return this.getChildren(name)
}

DOMElement.prototype.getAttribute = function (name) {
    return this.getAttr(name)
}

DOMElement.prototype.setAttribute = function (name, value) {
    this.attr(name, value)
}

DOMElement.prototype.getAttributeNS = function (ns, name) {
    if (ns === 'http://www.w3.org/XML/1998/namespace') {
        return this.getAttr(['xml', name].join(':'))
    }
    return this.getAttr(name, ns)
}

DOMElement.prototype.setAttributeNS = function (ns, name, value) {
    var prefix
    if (ns === 'http://www.w3.org/XML/1998/namespace') {
        prefix = 'xml'
    } else {
        var nss = this.getXmlns()
        prefix = nss[ns] || ''
    }
    if (prefix) {
        this.attr([prefix, name].join(':'), value)
    }
}

DOMElement.prototype.removeAttribute = function (name) {
    this.attr(name, null)
}

DOMElement.prototype.removeAttributeNS = function (ns, name) {
    var prefix
    if (ns === 'http://www.w3.org/XML/1998/namespace') {
        prefix = 'xml'
    } else {
        var nss = this.getXmlns()
        prefix = nss[ns] || ''
    }
    if (prefix) {
        this.attr([prefix, name].join(':'), null)
    }
}

DOMElement.prototype.appendChild = function (el) {
    this.cnode(el)
}

DOMElement.prototype.removeChild = function (el) {
    this.remove(el)
}

module.exports = DOMElement

},{"./element":244,"util":28}],244:[function(require,module,exports){
'use strict';

/**
 * This cheap replica of DOM/Builder puts me to shame :-)
 *
 * Attributes are in the element.attrs object. Children is a list of
 * either other Elements or Strings for text content.
 **/
function Element(name, attrs) {
    this.name = name
    this.parent = null
    this.children = []
    this.setAttrs(attrs)
}

/*** Accessors ***/

/**
 * if (element.is('message', 'jabber:client')) ...
 **/
Element.prototype.is = function(name, xmlns) {
    return (this.getName() === name) &&
        (!xmlns || (this.getNS() === xmlns))
}

/* without prefix */
Element.prototype.getName = function() {
    if (this.name.indexOf(':') >= 0) {
        return this.name.substr(this.name.indexOf(':') + 1)
    } else {
        return this.name
    }
}

/**
 * retrieves the namespace of the current element, upwards recursively
 **/
Element.prototype.getNS = function() {
    if (this.name.indexOf(':') >= 0) {
        var prefix = this.name.substr(0, this.name.indexOf(':'))
        return this.findNS(prefix)
    }
    return this.findNS()
}

/**
 * find the namespace to the given prefix, upwards recursively
 **/
Element.prototype.findNS = function(prefix) {
    if (!prefix) {
        /* default namespace */
        if (this.attrs.xmlns) {
            return this.attrs.xmlns
        } else if (this.parent) {
            return this.parent.findNS()
        }
    } else {
        /* prefixed namespace */
        var attr = 'xmlns:' + prefix
        if (this.attrs[attr]) {
            return this.attrs[attr]
        } else if (this.parent) {
            return this.parent.findNS(prefix)
        }
    }
}

/**
 * Recursiverly gets all xmlns defined, in the form of {url:prefix}
 **/
Element.prototype.getXmlns = function() {
    var namespaces = {}

    if (this.parent) {
        namespaces = this.parent.getXmlns()
    }

    for (var attr in this.attrs) {
        var m = attr.match('xmlns:?(.*)')
        if (this.attrs.hasOwnProperty(attr) && m) {
            namespaces[this.attrs[attr]] = m[1]
        }
    }
    return namespaces
}

Element.prototype.setAttrs = function(attrs) {
    this.attrs = {}

    if (typeof attrs === 'string')
        this.attrs.xmlns = attrs
    else if (attrs) {
        Object.keys(attrs).forEach(function(key) {
            this.attrs[key] = attrs[key]
        }, this)
    }
}

/**
 * xmlns can be null, returns the matching attribute.
 **/
Element.prototype.getAttr = function(name, xmlns) {
    if (!xmlns) {
        return this.attrs[name]
    }

    var namespaces = this.getXmlns()

    if (!namespaces[xmlns]) {
        return null
    }

    return this.attrs[[namespaces[xmlns], name].join(':')]
}

/**
 * xmlns can be null
 **/
Element.prototype.getChild = function(name, xmlns) {
    return this.getChildren(name, xmlns)[0]
}

/**
 * xmlns can be null
 **/
Element.prototype.getChildren = function(name, xmlns) {
    var result = []
    for (var i = 0; i < this.children.length; i++) {
        var child = this.children[i]
        if (child.getName &&
            (child.getName() === name) &&
            (!xmlns || (child.getNS() === xmlns)))
            result.push(child)
    }
    return result
}

/**
 * xmlns and recursive can be null
 **/
Element.prototype.getChildByAttr = function(attr, val, xmlns, recursive) {
    return this.getChildrenByAttr(attr, val, xmlns, recursive)[0]
}

/**
 * xmlns and recursive can be null
 **/
Element.prototype.getChildrenByAttr = function(attr, val, xmlns, recursive) {
    var result = []
    for (var i = 0; i < this.children.length; i++) {
        var child = this.children[i]
        if (child.attrs &&
            (child.attrs[attr] === val) &&
            (!xmlns || (child.getNS() === xmlns)))
            result.push(child)
        if (recursive && child.getChildrenByAttr) {
            result.push(child.getChildrenByAttr(attr, val, xmlns, true))
        }
    }
    if (recursive) {
        result = [].concat.apply([], result)
    }
    return result
}

Element.prototype.getChildrenByFilter = function(filter, recursive) {
    var result = []
    for (var i = 0; i < this.children.length; i++) {
        var child = this.children[i]
        if (filter(child))
            result.push(child)
        if (recursive && child.getChildrenByFilter){
            result.push(child.getChildrenByFilter(filter, true))
        }
    }
    if (recursive) {
        result = [].concat.apply([], result)
    }
    return result
}

Element.prototype.getText = function() {
    var text = ''
    for (var i = 0; i < this.children.length; i++) {
        var child = this.children[i]
        if ((typeof child === 'string') || (typeof child === 'number')) {
            text += child
        }
    }
    return text
}

Element.prototype.getChildText = function(name, xmlns) {
    var child = this.getChild(name, xmlns)
    return child ? child.getText() : null
}

/**
 * Return all direct descendents that are Elements.
 * This differs from `getChildren` in that it will exclude text nodes,
 * processing instructions, etc.
 */
Element.prototype.getChildElements = function() {
    return this.getChildrenByFilter(function(child) {
        return child instanceof Element
    })
}

/*** Builder ***/

/** returns uppermost parent */
Element.prototype.root = function() {
    if (this.parent) {
        return this.parent.root()
    }
    return this
}
Element.prototype.tree = Element.prototype.root

/** just parent or itself */
Element.prototype.up = function() {
    if (this.parent) {
        return this.parent
    }
    return this
}

Element.prototype._getElement = function(name, attrs) {
    var element = new Element(name, attrs)
    return element
}

/** create child node and return it */
Element.prototype.c = function(name, attrs) {
    return this.cnode(this._getElement(name, attrs))
}

Element.prototype.cnode = function(child) {
    this.children.push(child)
    if (typeof child === 'object') {
        child.parent = this
    }
    return child
}

/** add text node and return element */
Element.prototype.t = function(text) {
    this.children.push(text)
    return this
}

/*** Manipulation ***/

/**
 * Either:
 *   el.remove(childEl)
 *   el.remove('author', 'urn:...')
 */
Element.prototype.remove = function(el, xmlns) {
    var filter
    if (typeof el === 'string') {
        /* 1st parameter is tag name */
        filter = function(child) {
            return !(child.is &&
                 child.is(el, xmlns))
        }
    } else {
        /* 1st parameter is element */
        filter = function(child) {
            return child !== el
        }
    }

    this.children = this.children.filter(filter)

    return this
}

/**
 * To use in case you want the same XML data for separate uses.
 * Please refrain from this practise unless you know what you are
 * doing. Building XML with ltx is easy!
 */
Element.prototype.clone = function() {
    var clone = this._getElement(this.name, this.attrs)
    for (var i = 0; i < this.children.length; i++) {
        var child = this.children[i]
        clone.cnode(child.clone ? child.clone() : child)
    }
    return clone
}

Element.prototype.text = function(val) {
    if (val && this.children.length === 1) {
        this.children[0] = val
        return this
    }
    return this.getText()
}

Element.prototype.attr = function(attr, val) {
    if (((typeof val !== 'undefined') || (val === null))) {
        if (!this.attrs) {
            this.attrs = {}
        }
        this.attrs[attr] = val
        return this
    }
    return this.attrs[attr]
}

/*** Serialization ***/

Element.prototype.toString = function() {
    var s = ''
    this.write(function(c) {
        s += c
    })
    return s
}

Element.prototype.toJSON = function() {
    return {
        name: this.name,
        attrs: this.attrs,
        children: this.children.map(function(child) {
            return child && child.toJSON ? child.toJSON() : child
        })
    }
}

Element.prototype._addChildren = function(writer) {
    writer('>')
    for (var i = 0; i < this.children.length; i++) {
        var child = this.children[i]
        /* Skip null/undefined */
        if (child || (child === 0)) {
            if (child.write) {
                child.write(writer)
            } else if (typeof child === 'string') {
                writer(escapeXmlText(child))
            } else if (child.toString) {
                writer(escapeXmlText(child.toString(10)))
            }
        }
    }
    writer('</')
    writer(this.name)
    writer('>')
}

Element.prototype.write = function(writer) {
    writer('<')
    writer(this.name)
    for (var k in this.attrs) {
        var v = this.attrs[k]
        if (v || (v === '') || (v === 0)) {
            writer(' ')
            writer(k)
            writer('="')
            if (typeof v !== 'string') {
                v = v.toString(10)
            }
            writer(escapeXml(v))
            writer('"')
        }
    }
    if (this.children.length === 0) {
        writer('/>')
    } else {
        this._addChildren(writer)
    }
}

function escapeXml(s) {
    return s.
        replace(/\&/g, '&amp;').
        replace(/</g, '&lt;').
        replace(/>/g, '&gt;').
        replace(/"/g, '&quot;').
        replace(/"/g, '&apos;')
}

function escapeXmlText(s) {
    return s.
        replace(/\&/g, '&amp;').
        replace(/</g, '&lt;').
        replace(/>/g, '&gt;')
}

exports.Element = Element
exports.escapeXml = escapeXml

},{}],245:[function(require,module,exports){
'use strict';

/* Cause browserify to bundle SAX parsers: */
var parse = require('./parse')

parse.availableSaxParsers.push(parse.bestSaxParser = require('./sax/sax_ltx'))

/* SHIM */
module.exports = require('./index')
},{"./index":246,"./parse":247,"./sax/sax_ltx":248}],246:[function(require,module,exports){
'use strict';

var parse = require('./parse')

/**
 * The only (relevant) data structure
 */
exports.Element = require('./dom-element')

/**
 * Helper
 */
exports.escapeXml = require('./element').escapeXml

/**
 * DOM parser interface
 */
exports.parse = parse.parse
exports.Parser = parse.Parser

/**
 * SAX parser interface
 */
exports.availableSaxParsers = parse.availableSaxParsers
exports.bestSaxParser = parse.bestSaxParser

},{"./dom-element":243,"./element":244,"./parse":247}],247:[function(require,module,exports){
'use strict';

var events = require('events')
  , util = require('util')
  , DOMElement = require('./dom-element')


exports.availableSaxParsers = []
exports.bestSaxParser = null

var saxParsers = [
    './sax/sax_expat.js',
    './sax/sax_ltx.js',
    /*'./sax_easysax.js', './sax_node-xml.js',*/
    './sax/sax_saxjs.js'
]

saxParsers.forEach(function(modName) {
    var mod
    try {
        mod = require(modName)
    } catch (e) {
        /* Silently missing libraries drop for debug:
        console.error(e.stack || e)
         */
    }
    if (mod) {
        exports.availableSaxParsers.push(mod)
        if (!exports.bestSaxParser) {
            exports.bestSaxParser = mod
        }
    }
})

exports.Parser = function(saxParser) {
    events.EventEmitter.call(this)
    var self = this

    var ParserMod = saxParser || exports.bestSaxParser
    if (!ParserMod) {
        throw new Error('No SAX parser available')
    }
    this.parser = new ParserMod()

    var el
    this.parser.addListener('startElement', function(name, attrs) {
        var child = new DOMElement(name, attrs)
        if (!el) {
            el = child
        } else {
            el = el.cnode(child)
        }
    })
    this.parser.addListener('endElement', function(name) {
        /* jshint -W035 */
        if (!el) {
            /* Err */
        } else if (name === el.name) {
            if (el.parent) {
                el = el.parent
            } else if (!self.tree) {
                self.tree = el
                el = undefined
            }
        }
        /* jshint +W035 */
    })
    this.parser.addListener('text', function(str) {
        if (el) {
            el.t(str)
        }
    })
    this.parser.addListener('error', function(e) {
        self.error = e
        self.emit('error', e)
    })
}

util.inherits(exports.Parser, events.EventEmitter)

exports.Parser.prototype.write = function(data) {
    this.parser.write(data)
}

exports.Parser.prototype.end = function(data) {
    this.parser.end(data)

    if (!this.error) {
        if (this.tree) {
            this.emit('tree', this.tree)
        } else {
            this.emit('error', new Error('Incomplete document'))
        }
    }
}

exports.parse = function(data, saxParser) {
    var p = new exports.Parser(saxParser)
    var result = null
      , error = null

    p.on('tree', function(tree) {
        result = tree
    })
    p.on('error', function(e) {
        error = e
    })

    p.write(data)
    p.end()

    if (error) {
        throw error
    } else {
        return result
    }
}

},{"./dom-element":243,"events":6,"util":28}],248:[function(require,module,exports){
'use strict';

var util = require('util')
  , events = require('events')

var STATE_TEXT = 0,
    STATE_IGNORE_TAG = 1,
    STATE_TAG_NAME = 2,
    STATE_TAG = 3,
    STATE_ATTR_NAME = 4,
    STATE_ATTR_EQ = 5,
    STATE_ATTR_QUOT = 6,
    STATE_ATTR_VALUE = 7

var SaxLtx = module.exports = function SaxLtx() {
    events.EventEmitter.call(this)

    var state = STATE_TEXT, remainder
    var tagName, attrs, endTag, selfClosing, attrQuote
    var recordStart = 0
    var attrName

    this._handleTagOpening = function(endTag, tagName, attrs) {
        if (!endTag) {
            this.emit('startElement', tagName, attrs)
            if (selfClosing) {
                this.emit('endElement', tagName)
            }
        } else {
            this.emit('endElement', tagName)
        }
    }

    this.write = function(data) {
        /* jshint -W071 */
        /* jshint -W074 */
        if (typeof data !== 'string') {
            data = data.toString()
        }
        var pos = 0

        /* Anything from previous write()? */
        if (remainder) {
            data = remainder + data
            pos += remainder.length
            remainder = null
        }

        function endRecording() {
            if (typeof recordStart === 'number') {
                var recorded = data.slice(recordStart, pos)
                recordStart = undefined
                return recorded
            }
        }

        for(; pos < data.length; pos++) {
            var c = data.charCodeAt(pos)
            //console.log("state", state, "c", c, data[pos])
            switch(state) {
            case STATE_TEXT:
                if (c === 60 /* < */) {
                    var text = endRecording()
                    if (text) {
                        this.emit('text', unescapeXml(text))
                    }
                    state = STATE_TAG_NAME
                    recordStart = pos + 1
                    attrs = {}
                }
                break
            case STATE_TAG_NAME:
                if (c === 47 /* / */ && recordStart === pos) {
                    recordStart = pos + 1
                    endTag = true
                } else if (c === 33 /* ! */ || c === 63 /* ? */) {
                    recordStart = undefined
                    state = STATE_IGNORE_TAG
                } else if (c <= 32 || c === 47 /* / */ || c === 62 /* > */) {
                    tagName = endRecording()
                    pos--
                    state = STATE_TAG
                }
                break
            case STATE_IGNORE_TAG:
                if (c === 62 /* > */) {
                    state = STATE_TEXT
                }
                break
            case STATE_TAG:
                if (c === 62 /* > */) {
                    this._handleTagOpening(endTag, tagName, attrs)
                    tagName = undefined
                    attrs = undefined
                    endTag = undefined
                    selfClosing = undefined
                    state = STATE_TEXT
                    recordStart = pos + 1
                } else if (c === 47 /* / */) {
                    selfClosing = true
                } else if (c > 32) {
                    recordStart = pos
                    state = STATE_ATTR_NAME
                }
                break
            case STATE_ATTR_NAME:
                if (c <= 32 || c === 61 /* = */) {
                    attrName = endRecording()
                    pos--
                    state = STATE_ATTR_EQ
                }
                break
            case STATE_ATTR_EQ:
                if (c === 61 /* = */) {
                    state = STATE_ATTR_QUOT
                }
                break
            case STATE_ATTR_QUOT:
                if (c === 34 /* " */ || c === 39 /* ' */) {
                    attrQuote = c
                    state = STATE_ATTR_VALUE
                    recordStart = pos + 1
                }
                break
            case STATE_ATTR_VALUE:
                if (c === attrQuote) {
                    var value = unescapeXml(endRecording())
                    attrs[attrName] = value
                    attrName = undefined
                    state = STATE_TAG
                }
                break
            }
        }

        if (typeof recordStart === 'number' &&
            recordStart <= data.length) {

            remainder = data.slice(recordStart)
            recordStart = 0
        }
    }

    /*var origEmit = this.emit
    this.emit = function() {
    console.log('ltx', arguments)
    origEmit.apply(this, arguments)
    }*/
}
util.inherits(SaxLtx, events.EventEmitter)


SaxLtx.prototype.end = function(data) {
    if (data) {
        this.write(data)
    }

    /* Uh, yeah */
    this.write = function() {}
}

function unescapeXml(s) {
    return s.
        replace(/\&(amp|#38);/g, '&').
        replace(/\&(lt|#60);/g, '<').
        replace(/\&(gt|#62);/g, '>').
        replace(/\&(quot|#34);/g, '"').
        replace(/\&(apos|#39);/g, '\'').
        replace(/\&(nbsp|#160);/g, '\n')
}

},{"events":6,"util":28}],249:[function(require,module,exports){
arguments[4][120][0].apply(exports,arguments)
},{"dup":120}],250:[function(require,module,exports){
arguments[4][121][0].apply(exports,arguments)
},{"./rng":249,"dup":121}],251:[function(require,module,exports){
arguments[4][83][0].apply(exports,arguments)
},{"dup":83}],252:[function(require,module,exports){
/* jshint -W117 */
'use strict';

var JSM = require('jingle');
var RTC = require('webrtc-adapter-test');

var jxt = require('jxt').createRegistry();
jxt.use(require('jxt-xmpp-types'));
jxt.use(require('jxt-xmpp'));

var IqStanza = jxt.getDefinition('iq', 'jabber:client');

(function($) {
   Strophe.addConnectionPlugin('jingle', {
      connection: null,
      peer_constraints: {},
      AUTOACCEPT: false,
      localStream: null,
      manager: null,
      RTC: null,

      init: function(conn) {
         var self = this;

         self.RTC = RTC;

         self.connection = conn;

         if ((RTC.webrtcDetectedVersion < 33 && RTC.webrtcDetectedBrowser === 'firefox') || RTC.webrtcDetectedBrowser === 'chrome') {
            self.peer_constraints = {
               mandatory: {
                  'OfferToReceiveAudio': true,
                  'OfferToReceiveVideo': true
               }
            };

            if (RTC.webrtcDetectedBrowser === 'firefox') {
               self.peer_constraints.mandatory.MozDontOfferDataChannel = true;
            }
         } else {
            self.peer_constraints = {
               'offerToReceiveAudio': true,
               'offerToReceiveVideo': true
            };

            if (RTC.webrtcDetectedBrowser === 'firefox') {
               self.peer_constraints.mozDontOfferDataChannel = true;
            }
         }

         self.manager = new JSM({
            peerConnectionConstraints: self.peer_constraints,
            jid: self.connection.jid,
            selfID: self.connection.jid
         });

         var events = {
            'incoming': 'callincoming.jingle',
            'terminated': 'callterminated.jingle',
            'peerStreamAdded': 'remotestreamadded.jingle',
            'peerStreamRemoved': 'remotestreamremoved.jingle',
            'ringing': 'ringing.jingle',
            'log:error': 'error.jingle'
         };

         $.each(events, function(key, val) {
            self.manager.on(key, function() {
               $(document).trigger(val, arguments);
            });
         });

         self.manager.on('incoming', function(session) {
            session.on('change:connectionState', function(session, state) {
               $(document).trigger('iceconnectionstatechange.jingle', [session.sid, session, state]);
            });
         });

         if (this.connection.disco) {
            var i;
            for (i = 0; i < self.manager.capabilities.length; i++) {
               self.connection.disco.addFeature(self.manager.capabilities[i]);
            }
         }
         this.connection.addHandler(this.onJingle.bind(this), 'urn:xmpp:jingle:1', 'iq', 'set', null, null);

         this.manager.on('send', function(data) {

            var iq = new IqStanza(data);

            self.connection.send($.parseXML(iq.toString()).getElementsByTagName('iq')[0]);
         });

         //@TODO add on client unavilable (this.manager.endPeerSessions(peer_jid_full, true))
      },
      onJingle: function(iq) {
         var req = jxt.parse(iq.outerHTML);

         this.manager.process(req.toJSON());

         return true;
      },
      initiate: function(peerjid, stream) { // initiate a new jinglesession to peerjid
         var session = this.manager.createMediaSession(peerjid);

         session.on('change:connectionState', function(session, state) {
            $(document).trigger('iceconnectionstatechange.jingle', [session.sid, session, state]);
         });

         if (stream) {
            this.localStream = stream;
         }

         // configure session
         if (this.localStream) {
            session.addStream(this.localStream);
            //TODO: add offer options here, instead of above in the init
            session.start();

            return session;
         }

         console.error('No local stream defined');
      },
      terminate: function(jid, reason, silent) { // terminate by sessionid (or all sessions)
         if (typeof jid === 'undefined' || jid === null) {
            this.manager.endAllSessions(reason, silent);
         } else {
            this.manager.endPeerSessions(jid, reason, silent);
         }
      },
      terminateByJid: function(jid) {
         this.manager.endPeerSessions(jid);
      },
      addICEServer: function(server) {
         this.manager.addICEServer(server);
      },
      setICEServers: function(servers) {
         this.manager.iceServers = servers;
      },
      setPeerConstraints: function(constraints) {
         this.manager.config.peerConnectionConstraints = constraints;
      }
   });
}(jQuery));

},{"jingle":29,"jxt":228,"jxt-xmpp":157,"jxt-xmpp-types":125,"webrtc-adapter-test":251}]},{},[252]);


/*!
 * Source: lib/otr/build/dep/salsa20.js, license: AGPL3, url: https://github.com/neoatlantis/node-salsa20
 */
// Salsa20 implementation
// Contributed to Cryptocat by Dmitry Chestnykh
// 21-01-2013

;(function (root, factory) {

  if (typeof define === 'function' && define.amd) {
    define(factory)
  } else if (typeof module !== 'undefined' && module.exports) {
    module.exports = factory()
  } else {
    root.Salsa20 = factory()
  }

}(this, function () {

    function Salsa20(key, nonce) {
        // Constants.
        this.rounds = 20; // number of Salsa rounds
        this.sigmaWords = [0x61707865, 0x3320646e, 0x79622d32, 0x6b206574];

        // State.
        this.keyWords = [];           // key words
        this.nonceWords = [0, 0];     // nonce words
        this.counterWords = [0, 0];   // block counter words

        // Output buffer.
        this.block = [];        // output block of 64 bytes
        this.blockUsed = 64;     // number of block bytes used

        this.setKey(key);
        this.setNonce(nonce);
    }

    // setKey sets the key to the given 32-byte array.
    Salsa20.prototype.setKey = function(key) {
        for (var i = 0, j = 0; i < 8; i++, j += 4) {
            this.keyWords[i] = (key[j] & 0xff)        |
                              ((key[j+1] & 0xff)<<8)  |
                              ((key[j+2] & 0xff)<<16) |
                              ((key[j+3] & 0xff)<<24);
        }
        this._reset();
    };

    // setNonce sets the nonce to the given 8-byte array.
    Salsa20.prototype.setNonce = function(nonce) {
        this.nonceWords[0] = (nonce[0] & 0xff)      |
                            ((nonce[1] & 0xff)<<8)  |
                            ((nonce[2] & 0xff)<<16) |
                            ((nonce[3] & 0xff)<<24);
        this.nonceWords[1] = (nonce[4] & 0xff)      |
                            ((nonce[5] & 0xff)<<8)  |
                            ((nonce[6] & 0xff)<<16) |
                            ((nonce[7] & 0xff)<<24);
        this._reset();
    };

    // getBytes returns the next numberOfBytes bytes of stream.
    Salsa20.prototype.getBytes = function(numberOfBytes) {
        var out = new Array(numberOfBytes);
        for (var i = 0; i < numberOfBytes; i++) {
            if (this.blockUsed == 64) {
                this._generateBlock();
                this._incrementCounter();
                this.blockUsed = 0;
            }
            out[i] = this.block[this.blockUsed];
            this.blockUsed++;
        }
        return out;
    };

    Salsa20.prototype.getHexString = function(numberOfBytes) {
        var hex=['0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'];
        var out = [];
        var bytes = this.getBytes(numberOfBytes);
        for(var i = 0; i < bytes.length; i++) {
            out.push(hex[(bytes[i] >> 4) & 15]);
            out.push(hex[bytes[i] & 15]);
        }
        return out.join('');
    };

    // Private methods.

    Salsa20.prototype._reset = function() {
        this.counterWords[0] = 0;
        this.counterWords[1] = 0;
        this.blockUsed = 64;
    };

    // _incrementCounter increments block counter.
    Salsa20.prototype._incrementCounter = function() {
        // Note: maximum 2^64 blocks.
        this.counterWords[0] = (this.counterWords[0] + 1) & 0xffffffff;
        if (this.counterWords[0] == 0) {
            this.counterWords[1] = (this.counterWords[1] + 1) & 0xffffffff;
        }
    };

    // _generateBlock generates 64 bytes from key, nonce, and counter,
    // and puts the result into this.block.
    Salsa20.prototype._generateBlock = function() {
        var j0 = this.sigmaWords[0],
            j1 = this.keyWords[0],
            j2 = this.keyWords[1],
            j3 = this.keyWords[2],
            j4 = this.keyWords[3],
            j5 = this.sigmaWords[1],
            j6 = this.nonceWords[0],
            j7 = this.nonceWords[1],
            j8 = this.counterWords[0],
            j9 = this.counterWords[1],
            j10 = this.sigmaWords[2],
            j11 = this.keyWords[4],
            j12 = this.keyWords[5],
            j13 = this.keyWords[6],
            j14 = this.keyWords[7],
            j15 = this.sigmaWords[3];

            var x0 = j0, x1 = j1, x2 = j2, x3 = j3, x4 = j4, x5 = j5, x6 = j6, x7 = j7,
                x8 = j8, x9 = j9, x10 = j10, x11 = j11, x12 = j12, x13 = j13, x14 = j14, x15 = j15;

            var u;

            for (var i = 0; i < this.rounds; i += 2) {
                u = x0 + x12;
                x4 ^= (u<<7) | (u>>>(32-7));
                u = x4 + x0;
                x8 ^= (u<<9) | (u>>>(32-9));
                u = x8 + x4;
                x12 ^= (u<<13) | (u>>>(32-13));
                u = x12 + x8;
                x0 ^= (u<<18) | (u>>>(32-18));

                u = x5 + x1;
                x9 ^= (u<<7) | (u>>>(32-7));
                u = x9 + x5;
                x13 ^= (u<<9) | (u>>>(32-9));
                u = x13 + x9;
                x1 ^= (u<<13) | (u>>>(32-13));
                u = x1 + x13;
                x5 ^= (u<<18) | (u>>>(32-18));

                u = x10 + x6;
                x14 ^= (u<<7) | (u>>>(32-7));
                u = x14 + x10;
                x2 ^= (u<<9) | (u>>>(32-9));
                u = x2 + x14;
                x6 ^= (u<<13) | (u>>>(32-13));
                u = x6 + x2;
                x10 ^= (u<<18) | (u>>>(32-18));

                u = x15 + x11;
                x3 ^= (u<<7) | (u>>>(32-7));
                u = x3 + x15;
                x7 ^= (u<<9) | (u>>>(32-9));
                u = x7 + x3;
                x11 ^= (u<<13) | (u>>>(32-13));
                u = x11 + x7;
                x15 ^= (u<<18) | (u>>>(32-18));

                u = x0 + x3;
                x1 ^= (u<<7) | (u>>>(32-7));
                u = x1 + x0;
                x2 ^= (u<<9) | (u>>>(32-9));
                u = x2 + x1;
                x3 ^= (u<<13) | (u>>>(32-13));
                u = x3 + x2;
                x0 ^= (u<<18) | (u>>>(32-18));

                u = x5 + x4;
                x6 ^= (u<<7) | (u>>>(32-7));
                u = x6 + x5;
                x7 ^= (u<<9) | (u>>>(32-9));
                u = x7 + x6;
                x4 ^= (u<<13) | (u>>>(32-13));
                u = x4 + x7;
                x5 ^= (u<<18) | (u>>>(32-18));

                u = x10 + x9;
                x11 ^= (u<<7) | (u>>>(32-7));
                u = x11 + x10;
                x8 ^= (u<<9) | (u>>>(32-9));
                u = x8 + x11;
                x9 ^= (u<<13) | (u>>>(32-13));
                u = x9 + x8;
                x10 ^= (u<<18) | (u>>>(32-18));

                u = x15 + x14;
                x12 ^= (u<<7) | (u>>>(32-7));
                u = x12 + x15;
                x13 ^= (u<<9) | (u>>>(32-9));
                u = x13 + x12;
                x14 ^= (u<<13) | (u>>>(32-13));
                u = x14 + x13;
                x15 ^= (u<<18) | (u>>>(32-18));
            }

            x0 += j0;
            x1 += j1;
            x2 += j2;
            x3 += j3;
            x4 += j4;
            x5 += j5;
            x6 += j6;
            x7 += j7;
            x8 += j8;
            x9 += j9;
            x10 += j10;
            x11 += j11;
            x12 += j12;
            x13 += j13;
            x14 += j14;
            x15 += j15;

            this.block[ 0] = ( x0 >>>  0) & 0xff; this.block[ 1] = ( x0 >>>  8) & 0xff;
            this.block[ 2] = ( x0 >>> 16) & 0xff; this.block[ 3] = ( x0 >>> 24) & 0xff;
            this.block[ 4] = ( x1 >>>  0) & 0xff; this.block[ 5] = ( x1 >>>  8) & 0xff;
            this.block[ 6] = ( x1 >>> 16) & 0xff; this.block[ 7] = ( x1 >>> 24) & 0xff;
            this.block[ 8] = ( x2 >>>  0) & 0xff; this.block[ 9] = ( x2 >>>  8) & 0xff;
            this.block[10] = ( x2 >>> 16) & 0xff; this.block[11] = ( x2 >>> 24) & 0xff;
            this.block[12] = ( x3 >>>  0) & 0xff; this.block[13] = ( x3 >>>  8) & 0xff;
            this.block[14] = ( x3 >>> 16) & 0xff; this.block[15] = ( x3 >>> 24) & 0xff;
            this.block[16] = ( x4 >>>  0) & 0xff; this.block[17] = ( x4 >>>  8) & 0xff;
            this.block[18] = ( x4 >>> 16) & 0xff; this.block[19] = ( x4 >>> 24) & 0xff;
            this.block[20] = ( x5 >>>  0) & 0xff; this.block[21] = ( x5 >>>  8) & 0xff;
            this.block[22] = ( x5 >>> 16) & 0xff; this.block[23] = ( x5 >>> 24) & 0xff;
            this.block[24] = ( x6 >>>  0) & 0xff; this.block[25] = ( x6 >>>  8) & 0xff;
            this.block[26] = ( x6 >>> 16) & 0xff; this.block[27] = ( x6 >>> 24) & 0xff;
            this.block[28] = ( x7 >>>  0) & 0xff; this.block[29] = ( x7 >>>  8) & 0xff;
            this.block[30] = ( x7 >>> 16) & 0xff; this.block[31] = ( x7 >>> 24) & 0xff;
            this.block[32] = ( x8 >>>  0) & 0xff; this.block[33] = ( x8 >>>  8) & 0xff;
            this.block[34] = ( x8 >>> 16) & 0xff; this.block[35] = ( x8 >>> 24) & 0xff;
            this.block[36] = ( x9 >>>  0) & 0xff; this.block[37] = ( x9 >>>  8) & 0xff;
            this.block[38] = ( x9 >>> 16) & 0xff; this.block[39] = ( x9 >>> 24) & 0xff;
            this.block[40] = (x10 >>>  0) & 0xff; this.block[41] = (x10 >>>  8) & 0xff;
            this.block[42] = (x10 >>> 16) & 0xff; this.block[43] = (x10 >>> 24) & 0xff;
            this.block[44] = (x11 >>>  0) & 0xff; this.block[45] = (x11 >>>  8) & 0xff;
            this.block[46] = (x11 >>> 16) & 0xff; this.block[47] = (x11 >>> 24) & 0xff;
            this.block[48] = (x12 >>>  0) & 0xff; this.block[49] = (x12 >>>  8) & 0xff;
            this.block[50] = (x12 >>> 16) & 0xff; this.block[51] = (x12 >>> 24) & 0xff;
            this.block[52] = (x13 >>>  0) & 0xff; this.block[53] = (x13 >>>  8) & 0xff;
            this.block[54] = (x13 >>> 16) & 0xff; this.block[55] = (x13 >>> 24) & 0xff;
            this.block[56] = (x14 >>>  0) & 0xff; this.block[57] = (x14 >>>  8) & 0xff;
            this.block[58] = (x14 >>> 16) & 0xff; this.block[59] = (x14 >>> 24) & 0xff;
            this.block[60] = (x15 >>>  0) & 0xff; this.block[61] = (x15 >>>  8) & 0xff;
            this.block[62] = (x15 >>> 16) & 0xff; this.block[63] = (x15 >>> 24) & 0xff;
    };

  return Salsa20

}))

/*!
 * Source: lib/otr/build/dep/bigint.js, license: public domain, url: www.leemon.com
 */
;(function (root, factory) {

  if (typeof define === 'function' && define.amd) {
    define(factory.bind(root, root.crypto || root.msCrypto))
  } else if (typeof module !== 'undefined' && module.exports) {
    module.exports = factory(require('crypto'))
  } else {
     try {
        root.BigInt = factory(root.crypto || root.msCrypto)
     } catch(e) {
        console.warn(e.message);
     }
  }

}(this, function (crypto) {

  ////////////////////////////////////////////////////////////////////////////////////////
  // Big Integer Library v. 5.5
  // Created 2000, last modified 2013
  // Leemon Baird
  // www.leemon.com
  //
  // Version history:
  // v 5.5  17 Mar 2013
  //   - two lines of a form like "if (x<0) x+=n" had the "if" changed to "while" to
  //     handle the case when x<-n. (Thanks to James Ansell for finding that bug)
  // v 5.4  3 Oct 2009
  //   - added "var i" to greaterShift() so i is not global. (Thanks to Péter Szabó for finding that bug)
  //
  // v 5.3  21 Sep 2009
  //   - added randProbPrime(k) for probable primes
  //   - unrolled loop in mont_ (slightly faster)
  //   - millerRabin now takes a bigInt parameter rather than an int
  //
  // v 5.2  15 Sep 2009
  //   - fixed capitalization in call to int2bigInt in randBigInt
  //     (thanks to Emili Evripidou, Reinhold Behringer, and Samuel Macaleese for finding that bug)
  //
  // v 5.1  8 Oct 2007 
  //   - renamed inverseModInt_ to inverseModInt since it doesn't change its parameters
  //   - added functions GCD and randBigInt, which call GCD_ and randBigInt_
  //   - fixed a bug found by Rob Visser (see comment with his name below)
  //   - improved comments
  //
  // This file is public domain.   You can use it for any purpose without restriction.
  // I do not guarantee that it is correct, so use it at your own risk.  If you use 
  // it for something interesting, I'd appreciate hearing about it.  If you find 
  // any bugs or make any improvements, I'd appreciate hearing about those too.
  // It would also be nice if my name and URL were left in the comments.  But none 
  // of that is required.
  //
  // This code defines a bigInt library for arbitrary-precision integers.
  // A bigInt is an array of integers storing the value in chunks of bpe bits, 
  // little endian (buff[0] is the least significant word).
  // Negative bigInts are stored two's complement.  Almost all the functions treat
  // bigInts as nonnegative.  The few that view them as two's complement say so
  // in their comments.  Some functions assume their parameters have at least one 
  // leading zero element. Functions with an underscore at the end of the name put
  // their answer into one of the arrays passed in, and have unpredictable behavior 
  // in case of overflow, so the caller must make sure the arrays are big enough to 
  // hold the answer.  But the average user should never have to call any of the 
  // underscored functions.  Each important underscored function has a wrapper function 
  // of the same name without the underscore that takes care of the details for you.  
  // For each underscored function where a parameter is modified, that same variable 
  // must not be used as another argument too.  So, you cannot square x by doing 
  // multMod_(x,x,n).  You must use squareMod_(x,n) instead, or do y=dup(x); multMod_(x,y,n).
  // Or simply use the multMod(x,x,n) function without the underscore, where
  // such issues never arise, because non-underscored functions never change
  // their parameters; they always allocate new memory for the answer that is returned.
  //
  // These functions are designed to avoid frequent dynamic memory allocation in the inner loop.
  // For most functions, if it needs a BigInt as a local variable it will actually use
  // a global, and will only allocate to it only when it's not the right size.  This ensures
  // that when a function is called repeatedly with same-sized parameters, it only allocates
  // memory on the first call.
  //
  // Note that for cryptographic purposes, the calls to Math.random() must 
  // be replaced with calls to a better pseudorandom number generator.
  //
  // In the following, "bigInt" means a bigInt with at least one leading zero element,
  // and "integer" means a nonnegative integer less than radix.  In some cases, integer 
  // can be negative.  Negative bigInts are 2s complement.
  // 
  // The following functions do not modify their inputs.
  // Those returning a bigInt, string, or Array will dynamically allocate memory for that value.
  // Those returning a boolean will return the integer 0 (false) or 1 (true).
  // Those returning boolean or int will not allocate memory except possibly on the first 
  // time they're called with a given parameter size.
  // 
  // bigInt  add(x,y)               //return (x+y) for bigInts x and y.  
  // bigInt  addInt(x,n)            //return (x+n) where x is a bigInt and n is an integer.
  // string  bigInt2str(x,base)     //return a string form of bigInt x in a given base, with 2 <= base <= 95
  // int     bitSize(x)             //return how many bits long the bigInt x is, not counting leading zeros
  // bigInt  dup(x)                 //return a copy of bigInt x
  // boolean equals(x,y)            //is the bigInt x equal to the bigint y?
  // boolean equalsInt(x,y)         //is bigint x equal to integer y?
  // bigInt  expand(x,n)            //return a copy of x with at least n elements, adding leading zeros if needed
  // Array   findPrimes(n)          //return array of all primes less than integer n
  // bigInt  GCD(x,y)               //return greatest common divisor of bigInts x and y (each with same number of elements).
  // boolean greater(x,y)           //is x>y?  (x and y are nonnegative bigInts)
  // boolean greaterShift(x,y,shift)//is (x <<(shift*bpe)) > y?
  // bigInt  int2bigInt(t,n,m)      //return a bigInt equal to integer t, with at least n bits and m array elements
  // bigInt  inverseMod(x,n)        //return (x**(-1) mod n) for bigInts x and n.  If no inverse exists, it returns null
  // int     inverseModInt(x,n)     //return x**(-1) mod n, for integers x and n.  Return 0 if there is no inverse
  // boolean isZero(x)              //is the bigInt x equal to zero?
  // boolean millerRabin(x,b)       //does one round of Miller-Rabin base integer b say that bigInt x is possibly prime? (b is bigInt, 1<b<x)
  // boolean millerRabinInt(x,b)    //does one round of Miller-Rabin base integer b say that bigInt x is possibly prime? (b is int,    1<b<x)
  // bigInt  mod(x,n)               //return a new bigInt equal to (x mod n) for bigInts x and n.
  // int     modInt(x,n)            //return x mod n for bigInt x and integer n.
  // bigInt  mult(x,y)              //return x*y for bigInts x and y. This is faster when y<x.
  // bigInt  multMod(x,y,n)         //return (x*y mod n) for bigInts x,y,n.  For greater speed, let y<x.
  // boolean negative(x)            //is bigInt x negative?
  // bigInt  powMod(x,y,n)          //return (x**y mod n) where x,y,n are bigInts and ** is exponentiation.  0**0=1. Faster for odd n.
  // bigInt  randBigInt(n,s)        //return an n-bit random BigInt (n>=1).  If s=1, then the most significant of those n bits is set to 1.
  // bigInt  randTruePrime(k)       //return a new, random, k-bit, true prime bigInt using Maurer's algorithm.
  // bigInt  randProbPrime(k)       //return a new, random, k-bit, probable prime bigInt (probability it's composite less than 2^-80).
  // bigInt  str2bigInt(s,b,n,m)    //return a bigInt for number represented in string s in base b with at least n bits and m array elements
  // bigInt  sub(x,y)               //return (x-y) for bigInts x and y.  Negative answers will be 2s complement
  // bigInt  trim(x,k)              //return a copy of x with exactly k leading zero elements
  //
  //
  // The following functions each have a non-underscored version, which most users should call instead.
  // These functions each write to a single parameter, and the caller is responsible for ensuring the array 
  // passed in is large enough to hold the result. 
  //
  // void    addInt_(x,n)          //do x=x+n where x is a bigInt and n is an integer
  // void    add_(x,y)             //do x=x+y for bigInts x and y
  // void    copy_(x,y)            //do x=y on bigInts x and y
  // void    copyInt_(x,n)         //do x=n on bigInt x and integer n
  // void    GCD_(x,y)             //set x to the greatest common divisor of bigInts x and y, (y is destroyed).  (This never overflows its array).
  // boolean inverseMod_(x,n)      //do x=x**(-1) mod n, for bigInts x and n. Returns 1 (0) if inverse does (doesn't) exist
  // void    mod_(x,n)             //do x=x mod n for bigInts x and n. (This never overflows its array).
  // void    mult_(x,y)            //do x=x*y for bigInts x and y.
  // void    multMod_(x,y,n)       //do x=x*y  mod n for bigInts x,y,n.
  // void    powMod_(x,y,n)        //do x=x**y mod n, where x,y,n are bigInts (n is odd) and ** is exponentiation.  0**0=1.
  // void    randBigInt_(b,n,s)    //do b = an n-bit random BigInt. if s=1, then nth bit (most significant bit) is set to 1. n>=1.
  // void    randTruePrime_(ans,k) //do ans = a random k-bit true random prime (not just probable prime) with 1 in the msb.
  // void    sub_(x,y)             //do x=x-y for bigInts x and y. Negative answers will be 2s complement.
  //
  // The following functions do NOT have a non-underscored version. 
  // They each write a bigInt result to one or more parameters.  The caller is responsible for
  // ensuring the arrays passed in are large enough to hold the results. 
  //
  // void addShift_(x,y,ys)       //do x=x+(y<<(ys*bpe))
  // void carry_(x)               //do carries and borrows so each element of the bigInt x fits in bpe bits.
  // void divide_(x,y,q,r)        //divide x by y giving quotient q and remainder r
  // int  divInt_(x,n)            //do x=floor(x/n) for bigInt x and integer n, and return the remainder. (This never overflows its array).
  // int  eGCD_(x,y,d,a,b)        //sets a,b,d to positive bigInts such that d = GCD_(x,y) = a*x-b*y
  // void halve_(x)               //do x=floor(|x|/2)*sgn(x) for bigInt x in 2's complement.  (This never overflows its array).
  // void leftShift_(x,n)         //left shift bigInt x by n bits.  n<bpe.
  // void linComb_(x,y,a,b)       //do x=a*x+b*y for bigInts x and y and integers a and b
  // void linCombShift_(x,y,b,ys) //do x=x+b*(y<<(ys*bpe)) for bigInts x and y, and integers b and ys
  // void mont_(x,y,n,np)         //Montgomery multiplication (see comments where the function is defined)
  // void multInt_(x,n)           //do x=x*n where x is a bigInt and n is an integer.
  // void rightShift_(x,n)        //right shift bigInt x by n bits. (This never overflows its array).
  // void squareMod_(x,n)         //do x=x*x  mod n for bigInts x,n
  // void subShift_(x,y,ys)       //do x=x-(y<<(ys*bpe)). Negative answers will be 2s complement.
  //
  // The following functions are based on algorithms from the _Handbook of Applied Cryptography_
  //    powMod_()           = algorithm 14.94, Montgomery exponentiation
  //    eGCD_,inverseMod_() = algorithm 14.61, Binary extended GCD_
  //    GCD_()              = algorothm 14.57, Lehmer's algorithm
  //    mont_()             = algorithm 14.36, Montgomery multiplication
  //    divide_()           = algorithm 14.20  Multiple-precision division
  //    squareMod_()        = algorithm 14.16  Multiple-precision squaring
  //    randTruePrime_()    = algorithm  4.62, Maurer's algorithm
  //    millerRabin()       = algorithm  4.24, Miller-Rabin algorithm
  //
  // Profiling shows:
  //     randTruePrime_() spends:
  //         10% of its time in calls to powMod_()
  //         85% of its time in calls to millerRabin()
  //     millerRabin() spends:
  //         99% of its time in calls to powMod_()   (always with a base of 2)
  //     powMod_() spends:
  //         94% of its time in calls to mont_()  (almost always with x==y)
  //
  // This suggests there are several ways to speed up this library slightly:
  //     - convert powMod_ to use a Montgomery form of k-ary window (or maybe a Montgomery form of sliding window)
  //         -- this should especially focus on being fast when raising 2 to a power mod n
  //     - convert randTruePrime_() to use a minimum r of 1/3 instead of 1/2 with the appropriate change to the test
  //     - tune the parameters in randTruePrime_(), including c, m, and recLimit
  //     - speed up the single loop in mont_() that takes 95% of the runtime, perhaps by reducing checking
  //       within the loop when all the parameters are the same length.
  //
  // There are several ideas that look like they wouldn't help much at all:
  //     - replacing trial division in randTruePrime_() with a sieve (that speeds up something taking almost no time anyway)
  //     - increase bpe from 15 to 30 (that would help if we had a 32*32->64 multiplier, but not with JavaScript's 32*32->32)
  //     - speeding up mont_(x,y,n,np) when x==y by doing a non-modular, non-Montgomery square
  //       followed by a Montgomery reduction.  The intermediate answer will be twice as long as x, so that
  //       method would be slower.  This is unfortunate because the code currently spends almost all of its time
  //       doing mont_(x,x,...), both for randTruePrime_() and powMod_().  A faster method for Montgomery squaring
  //       would have a large impact on the speed of randTruePrime_() and powMod_().  HAC has a couple of poorly-worded
  //       sentences that seem to imply it's faster to do a non-modular square followed by a single
  //       Montgomery reduction, but that's obviously wrong.
  ////////////////////////////////////////////////////////////////////////////////////////

  //globals

  // The number of significant bits in the fraction of a JavaScript
  // floating-point number is 52, independent of platform.
  // See: https://github.com/arlolra/otr/issues/41

  var bpe = 26;          // bits stored per array element
  var radix = 1 << bpe;  // equals 2^bpe
  var mask = radix - 1;  // AND this with an array element to chop it down to bpe bits

  //the digits for converting to different bases
  var digitsStr='0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_=!@#$%^&*()[]{}|;:,.<>/?`~ \\\'\"+-';

  var one=int2bigInt(1,1,1);     //constant used in powMod_()

  //the following global variables are scratchpad memory to 
  //reduce dynamic memory allocation in the inner loop
  var t=new Array(0);
  var ss=t;       //used in mult_()
  var s0=t;       //used in multMod_(), squareMod_()
  var s1=t;       //used in powMod_(), multMod_(), squareMod_()
  var s2=t;       //used in powMod_(), multMod_()
  var s3=t;       //used in powMod_()
  var s4=t, s5=t; //used in mod_()
  var s6=t;       //used in bigInt2str()
  var s7=t;       //used in powMod_()
  var T=t;        //used in GCD_()
  var sa=t;       //used in mont_()
  var mr_x1=t, mr_r=t, mr_a=t;                                      //used in millerRabin()
  var eg_v=t, eg_u=t, eg_A=t, eg_B=t, eg_C=t, eg_D=t;               //used in eGCD_(), inverseMod_()
  var md_q1=t, md_q2=t, md_q3=t, md_r=t, md_r1=t, md_r2=t, md_tt=t; //used in mod_()

  var primes=t, pows=t, s_i=t, s_i2=t, s_R=t, s_rm=t, s_q=t, s_n1=t;
  var s_a=t, s_r2=t, s_n=t, s_b=t, s_d=t, s_x1=t, s_x2=t, s_aa=t; //used in randTruePrime_()
    
  var rpprb=t; //used in randProbPrimeRounds() (which also uses "primes")

  ////////////////////////////////////////////////////////////////////////////////////////


  //return array of all primes less than integer n
  function findPrimes(n) {
    var i,s,p,ans;
    s=new Array(n);
    for (i=0;i<n;i++)
      s[i]=0;
    s[0]=2;
    p=0;    //first p elements of s are primes, the rest are a sieve
    for(;s[p]<n;) {                  //s[p] is the pth prime
      for(i=s[p]*s[p]; i<n; i+=s[p]) //mark multiples of s[p]
        s[i]=1;
      p++;
      s[p]=s[p-1]+1;
      for(; s[p]<n && s[s[p]]; s[p]++); //find next prime (where s[p]==0)
    }
    ans=new Array(p);
    for(i=0;i<p;i++)
      ans[i]=s[i];
    return ans;
  }


  //does a single round of Miller-Rabin base b consider x to be a possible prime?
  //x is a bigInt, and b is an integer, with b<x
  function millerRabinInt(x,b) {
    if (mr_x1.length!=x.length) {
      mr_x1=dup(x);
      mr_r=dup(x);
      mr_a=dup(x);
    }

    copyInt_(mr_a,b);
    return millerRabin(x,mr_a);
  }

  //does a single round of Miller-Rabin base b consider x to be a possible prime?
  //x and b are bigInts with b<x
  function millerRabin(x,b) {
    var i,j,k,s;

    if (mr_x1.length!=x.length) {
      mr_x1=dup(x);
      mr_r=dup(x);
      mr_a=dup(x);
    }

    copy_(mr_a,b);
    copy_(mr_r,x);
    copy_(mr_x1,x);

    addInt_(mr_r,-1);
    addInt_(mr_x1,-1);

    //s=the highest power of two that divides mr_r

    /*
    k=0;
    for (i=0;i<mr_r.length;i++)
      for (j=1;j<mask;j<<=1)
        if (x[i] & j) {
          s=(k<mr_r.length+bpe ? k : 0); 
           i=mr_r.length;
           j=mask;
        } else
          k++;
    */

    /* http://www.javascripter.net/math/primes/millerrabinbug-bigint54.htm */
    if (isZero(mr_r)) return 0;
    for (k=0; mr_r[k]==0; k++);
    for (i=1,j=2; mr_r[k]%j==0; j*=2,i++ );
    s = k*bpe + i - 1;
    /* end */

    if (s)                
      rightShift_(mr_r,s);

    powMod_(mr_a,mr_r,x);

    if (!equalsInt(mr_a,1) && !equals(mr_a,mr_x1)) {
      j=1;
      while (j<=s-1 && !equals(mr_a,mr_x1)) {
        squareMod_(mr_a,x);
        if (equalsInt(mr_a,1)) {
          return 0;
        }
        j++;
      }
      if (!equals(mr_a,mr_x1)) {
        return 0;
      }
    }
    return 1;  
  }

  //returns how many bits long the bigInt is, not counting leading zeros.
  function bitSize(x) {
    var j,z,w;
    for (j=x.length-1; (x[j]==0) && (j>0); j--);
    for (z=0,w=x[j]; w; (w>>=1),z++);
    z+=bpe*j;
    return z;
  }

  //return a copy of x with at least n elements, adding leading zeros if needed
  function expand(x,n) {
    var ans=int2bigInt(0,(x.length>n ? x.length : n)*bpe,0);
    copy_(ans,x);
    return ans;
  }

  //return a k-bit true random prime using Maurer's algorithm.
  function randTruePrime(k) {
    var ans=int2bigInt(0,k,0);
    randTruePrime_(ans,k);
    return trim(ans,1);
  }

  //return a k-bit random probable prime with probability of error < 2^-80
  function randProbPrime(k) {
    if (k>=600) return randProbPrimeRounds(k,2); //numbers from HAC table 4.3
    if (k>=550) return randProbPrimeRounds(k,4);
    if (k>=500) return randProbPrimeRounds(k,5);
    if (k>=400) return randProbPrimeRounds(k,6);
    if (k>=350) return randProbPrimeRounds(k,7);
    if (k>=300) return randProbPrimeRounds(k,9);
    if (k>=250) return randProbPrimeRounds(k,12); //numbers from HAC table 4.4
    if (k>=200) return randProbPrimeRounds(k,15);
    if (k>=150) return randProbPrimeRounds(k,18);
    if (k>=100) return randProbPrimeRounds(k,27);
                return randProbPrimeRounds(k,40); //number from HAC remark 4.26 (only an estimate)
  }

  //return a k-bit probable random prime using n rounds of Miller Rabin (after trial division with small primes)
  function randProbPrimeRounds(k,n) {
    var ans, i, divisible, B; 
    B=30000;  //B is largest prime to use in trial division
    ans=int2bigInt(0,k,0);
    
    //optimization: try larger and smaller B to find the best limit.
    
    if (primes.length==0)
      primes=findPrimes(30000);  //check for divisibility by primes <=30000

    if (rpprb.length!=ans.length)
      rpprb=dup(ans);

    for (;;) { //keep trying random values for ans until one appears to be prime
      //optimization: pick a random number times L=2*3*5*...*p, plus a 
      //   random element of the list of all numbers in [0,L) not divisible by any prime up to p.
      //   This can reduce the amount of random number generation.
      
      randBigInt_(ans,k,0); //ans = a random odd number to check
      ans[0] |= 1; 
      divisible=0;
    
      //check ans for divisibility by small primes up to B
      for (i=0; (i<primes.length) && (primes[i]<=B); i++)
        if (modInt(ans,primes[i])==0 && !equalsInt(ans,primes[i])) {
          divisible=1;
          break;
        }      
      
      //optimization: change millerRabin so the base can be bigger than the number being checked, then eliminate the while here.
      
      //do n rounds of Miller Rabin, with random bases less than ans
      for (i=0; i<n && !divisible; i++) {
        randBigInt_(rpprb,k,0);
        while(!greater(ans,rpprb)) //pick a random rpprb that's < ans
          randBigInt_(rpprb,k,0);
        if (!millerRabin(ans,rpprb))
          divisible=1;
      }
      
      if(!divisible)
        return ans;
    }  
  }

  //return a new bigInt equal to (x mod n) for bigInts x and n.
  function mod(x,n) {
    var ans=dup(x);
    mod_(ans,n);
    return trim(ans,1);
  }

  //return (x+n) where x is a bigInt and n is an integer.
  function addInt(x,n) {
    var ans=expand(x,x.length+1);
    addInt_(ans,n);
    return trim(ans,1);
  }

  //return x*y for bigInts x and y. This is faster when y<x.
  function mult(x,y) {
    var ans=expand(x,x.length+y.length);
    mult_(ans,y);
    return trim(ans,1);
  }

  //return (x**y mod n) where x,y,n are bigInts and ** is exponentiation.  0**0=1. Faster for odd n.
  function powMod(x,y,n) {
    var ans=expand(x,n.length);  
    powMod_(ans,trim(y,2),trim(n,2),0);  //this should work without the trim, but doesn't
    return trim(ans,1);
  }

  //return (x-y) for bigInts x and y.  Negative answers will be 2s complement
  function sub(x,y) {
    var ans=expand(x,(x.length>y.length ? x.length+1 : y.length+1)); 
    sub_(ans,y);
    return trim(ans,1);
  }

  //return (x+y) for bigInts x and y.  
  function add(x,y) {
    var ans=expand(x,(x.length>y.length ? x.length+1 : y.length+1)); 
    add_(ans,y);
    return trim(ans,1);
  }

  //return (x**(-1) mod n) for bigInts x and n.  If no inverse exists, it returns null
  function inverseMod(x,n) {
    var ans=expand(x,n.length); 
    var s;
    s=inverseMod_(ans,n);
    return s ? trim(ans,1) : null;
  }

  //return (x*y mod n) for bigInts x,y,n.  For greater speed, let y<x.
  function multMod(x,y,n) {
    var ans=expand(x,n.length);
    multMod_(ans,y,n);
    return trim(ans,1);
  }

  //generate a k-bit true random prime using Maurer's algorithm,
  //and put it into ans.  The bigInt ans must be large enough to hold it.
  function randTruePrime_(ans,k) {
    var c,w,m,pm,dd,j,r,B,divisible,z,zz,recSize,recLimit;

    if (primes.length==0)
      primes=findPrimes(30000);  //check for divisibility by primes <=30000

    if (pows.length==0) {
      pows=new Array(512);
      for (j=0;j<512;j++) {
        pows[j]=Math.pow(2,j/511.0-1.0);
      }
    }

    //c and m should be tuned for a particular machine and value of k, to maximize speed
    c=0.1;  //c=0.1 in HAC
    m=20;   //generate this k-bit number by first recursively generating a number that has between k/2 and k-m bits
    recLimit=20; //stop recursion when k <=recLimit.  Must have recLimit >= 2

    if (s_i2.length!=ans.length) {
      s_i2=dup(ans);
      s_R =dup(ans);
      s_n1=dup(ans);
      s_r2=dup(ans);
      s_d =dup(ans);
      s_x1=dup(ans);
      s_x2=dup(ans);
      s_b =dup(ans);
      s_n =dup(ans);
      s_i =dup(ans);
      s_rm=dup(ans);
      s_q =dup(ans);
      s_a =dup(ans);
      s_aa=dup(ans);
    }

    if (k <= recLimit) {  //generate small random primes by trial division up to its square root
      pm=(1<<((k+2)>>1))-1; //pm is binary number with all ones, just over sqrt(2^k)
      copyInt_(ans,0);
      for (dd=1;dd;) {
        dd=0;
        ans[0]= 1 | (1<<(k-1)) | randomBitInt(k);  //random, k-bit, odd integer, with msb 1
        for (j=1;(j<primes.length) && ((primes[j]&pm)==primes[j]);j++) { //trial division by all primes 3...sqrt(2^k)
          if (0==(ans[0]%primes[j])) {
            dd=1;
            break;
          }
        }
      }
      carry_(ans);
      return;
    }

    B=c*k*k;    //try small primes up to B (or all the primes[] array if the largest is less than B).
    if (k>2*m)  //generate this k-bit number by first recursively generating a number that has between k/2 and k-m bits
      for (r=1; k-k*r<=m; )
        r=pows[randomBitInt(9)];   //r=Math.pow(2,Math.random()-1);
    else
      r=0.5;

    //simulation suggests the more complex algorithm using r=.333 is only slightly faster.

    recSize=Math.floor(r*k)+1;

    randTruePrime_(s_q,recSize);
    copyInt_(s_i2,0);
    s_i2[Math.floor((k-2)/bpe)] |= (1<<((k-2)%bpe));   //s_i2=2^(k-2)
    divide_(s_i2,s_q,s_i,s_rm);                        //s_i=floor((2^(k-1))/(2q))

    z=bitSize(s_i);

    for (;;) {
      for (;;) {  //generate z-bit numbers until one falls in the range [0,s_i-1]
        randBigInt_(s_R,z,0);
        if (greater(s_i,s_R))
          break;
      }                //now s_R is in the range [0,s_i-1]
      addInt_(s_R,1);  //now s_R is in the range [1,s_i]
      add_(s_R,s_i);   //now s_R is in the range [s_i+1,2*s_i]

      copy_(s_n,s_q);
      mult_(s_n,s_R); 
      multInt_(s_n,2);
      addInt_(s_n,1);    //s_n=2*s_R*s_q+1
      
      copy_(s_r2,s_R);
      multInt_(s_r2,2);  //s_r2=2*s_R

      //check s_n for divisibility by small primes up to B
      for (divisible=0,j=0; (j<primes.length) && (primes[j]<B); j++)
        if (modInt(s_n,primes[j])==0 && !equalsInt(s_n,primes[j])) {
          divisible=1;
          break;
        }      

      if (!divisible)    //if it passes small primes check, then try a single Miller-Rabin base 2
        if (!millerRabinInt(s_n,2)) //this line represents 75% of the total runtime for randTruePrime_ 
          divisible=1;

      if (!divisible) {  //if it passes that test, continue checking s_n
        addInt_(s_n,-3);
        for (j=s_n.length-1;(s_n[j]==0) && (j>0); j--);  //strip leading zeros
        for (zz=0,w=s_n[j]; w; (w>>=1),zz++);
        zz+=bpe*j;                             //zz=number of bits in s_n, ignoring leading zeros
        for (;;) {  //generate z-bit numbers until one falls in the range [0,s_n-1]
          randBigInt_(s_a,zz,0);
          if (greater(s_n,s_a))
            break;
        }                //now s_a is in the range [0,s_n-1]
        addInt_(s_n,3);  //now s_a is in the range [0,s_n-4]
        addInt_(s_a,2);  //now s_a is in the range [2,s_n-2]
        copy_(s_b,s_a);
        copy_(s_n1,s_n);
        addInt_(s_n1,-1);
        powMod_(s_b,s_n1,s_n);   //s_b=s_a^(s_n-1) modulo s_n
        addInt_(s_b,-1);
        if (isZero(s_b)) {
          copy_(s_b,s_a);
          powMod_(s_b,s_r2,s_n);
          addInt_(s_b,-1);
          copy_(s_aa,s_n);
          copy_(s_d,s_b);
          GCD_(s_d,s_n);  //if s_b and s_n are relatively prime, then s_n is a prime
          if (equalsInt(s_d,1)) {
            copy_(ans,s_aa);
            return;     //if we've made it this far, then s_n is absolutely guaranteed to be prime
          }
        }
      }
    }
  }

  //Return an n-bit random BigInt (n>=1).  If s=1, then the most significant of those n bits is set to 1.
  function randBigInt(n,s) {
    var a,b;
    a=Math.floor((n-1)/bpe)+2; //# array elements to hold the BigInt with a leading 0 element
    b=int2bigInt(0,0,a);
    randBigInt_(b,n,s);
    return b;
  }

  //Set b to an n-bit random BigInt.  If s=1, then the most significant of those n bits is set to 1.
  //Array b must be big enough to hold the result. Must have n>=1
  function randBigInt_(b,n,s) {
    var i,a;
    for (i=0;i<b.length;i++)
      b[i]=0;
    a=Math.floor((n-1)/bpe)+1; //# array elements to hold the BigInt
    for (i=0;i<a;i++) {
      b[i]=randomBitInt(bpe);
    }
    b[a-1] &= (2<<((n-1)%bpe))-1;
    if (s==1)
      b[a-1] |= (1<<((n-1)%bpe));
  }

  //Return the greatest common divisor of bigInts x and y (each with same number of elements).
  function GCD(x,y) {
    var xc,yc;
    xc=dup(x);
    yc=dup(y);
    GCD_(xc,yc);
    return xc;
  }

  //set x to the greatest common divisor of bigInts x and y (each with same number of elements).
  //y is destroyed.
  function GCD_(x,y) {
    var i,xp,yp,A,B,C,D,q,sing,qp;
    if (T.length!=x.length)
      T=dup(x);

    sing=1;
    while (sing) { //while y has nonzero elements other than y[0]
      sing=0;
      for (i=1;i<y.length;i++) //check if y has nonzero elements other than 0
        if (y[i]) {
          sing=1;
          break;
        }
      if (!sing) break; //quit when y all zero elements except possibly y[0]

      for (i=x.length;!x[i] && i>=0;i--);  //find most significant element of x
      xp=x[i];
      yp=y[i];
      A=1; B=0; C=0; D=1;
      while ((yp+C) && (yp+D)) {
        q =Math.floor((xp+A)/(yp+C));
        qp=Math.floor((xp+B)/(yp+D));
        if (q!=qp)
          break;
        t= A-q*C;   A=C;   C=t;    //  do (A,B,xp, C,D,yp) = (C,D,yp, A,B,xp) - q*(0,0,0, C,D,yp)      
        t= B-q*D;   B=D;   D=t;
        t=xp-q*yp; xp=yp; yp=t;
      }
      if (B) {
        copy_(T,x);
        linComb_(x,y,A,B); //x=A*x+B*y
        linComb_(y,T,D,C); //y=D*y+C*T
      } else {
        mod_(x,y);
        copy_(T,x);
        copy_(x,y);
        copy_(y,T);
      } 
    }
    if (y[0]==0)
      return;
    t=modInt(x,y[0]);
    copyInt_(x,y[0]);
    y[0]=t;
    while (y[0]) {
      x[0]%=y[0];
      t=x[0]; x[0]=y[0]; y[0]=t;
    }
  }

  //do x=x**(-1) mod n, for bigInts x and n.
  //If no inverse exists, it sets x to zero and returns 0, else it returns 1.
  //The x array must be at least as large as the n array.
  function inverseMod_(x,n) {
    var k=1+2*Math.max(x.length,n.length);

    if(!(x[0]&1)  && !(n[0]&1)) {  //if both inputs are even, then inverse doesn't exist
      copyInt_(x,0);
      return 0;
    }

    if (eg_u.length!=k) {
      eg_u=new Array(k);
      eg_v=new Array(k);
      eg_A=new Array(k);
      eg_B=new Array(k);
      eg_C=new Array(k);
      eg_D=new Array(k);
    }

    copy_(eg_u,x);
    copy_(eg_v,n);
    copyInt_(eg_A,1);
    copyInt_(eg_B,0);
    copyInt_(eg_C,0);
    copyInt_(eg_D,1);
    for (;;) {
      while(!(eg_u[0]&1)) {  //while eg_u is even
        halve_(eg_u);
        if (!(eg_A[0]&1) && !(eg_B[0]&1)) { //if eg_A==eg_B==0 mod 2
          halve_(eg_A);
          halve_(eg_B);      
        } else {
          add_(eg_A,n);  halve_(eg_A);
          sub_(eg_B,x);  halve_(eg_B);
        }
      }

      while (!(eg_v[0]&1)) {  //while eg_v is even
        halve_(eg_v);
        if (!(eg_C[0]&1) && !(eg_D[0]&1)) { //if eg_C==eg_D==0 mod 2
          halve_(eg_C);
          halve_(eg_D);      
        } else {
          add_(eg_C,n);  halve_(eg_C);
          sub_(eg_D,x);  halve_(eg_D);
        }
      }

      if (!greater(eg_v,eg_u)) { //eg_v <= eg_u
        sub_(eg_u,eg_v);
        sub_(eg_A,eg_C);
        sub_(eg_B,eg_D);
      } else {                   //eg_v > eg_u
        sub_(eg_v,eg_u);
        sub_(eg_C,eg_A);
        sub_(eg_D,eg_B);
      }

      if (equalsInt(eg_u,0)) {
        while (negative(eg_C)) //make sure answer is nonnegative
          add_(eg_C,n);
        copy_(x,eg_C);

        if (!equalsInt(eg_v,1)) { //if GCD_(x,n)!=1, then there is no inverse
          copyInt_(x,0);
          return 0;
        }
        return 1;
      }
    }
  }

  //return x**(-1) mod n, for integers x and n.  Return 0 if there is no inverse
  function inverseModInt(x,n) {
    var a=1,b=0,t;
    for (;;) {
      if (x==1) return a;
      if (x==0) return 0;
      b-=a*Math.floor(n/x);
      n%=x;

      if (n==1) return b; //to avoid negatives, change this b to n-b, and each -= to +=
      if (n==0) return 0;
      a-=b*Math.floor(x/n);
      x%=n;
    }
  }

  //this deprecated function is for backward compatibility only. 
  function inverseModInt_(x,n) {
     return inverseModInt(x,n);
  }


  //Given positive bigInts x and y, change the bigints v, a, and b to positive bigInts such that:
  //     v = GCD_(x,y) = a*x-b*y
  //The bigInts v, a, b, must have exactly as many elements as the larger of x and y.
  function eGCD_(x,y,v,a,b) {
    var g=0;
    var k=Math.max(x.length,y.length);
    if (eg_u.length!=k) {
      eg_u=new Array(k);
      eg_A=new Array(k);
      eg_B=new Array(k);
      eg_C=new Array(k);
      eg_D=new Array(k);
    }
    while(!(x[0]&1)  && !(y[0]&1)) {  //while x and y both even
      halve_(x);
      halve_(y);
      g++;
    }
    copy_(eg_u,x);
    copy_(v,y);
    copyInt_(eg_A,1);
    copyInt_(eg_B,0);
    copyInt_(eg_C,0);
    copyInt_(eg_D,1);
    for (;;) {
      while(!(eg_u[0]&1)) {  //while u is even
        halve_(eg_u);
        if (!(eg_A[0]&1) && !(eg_B[0]&1)) { //if A==B==0 mod 2
          halve_(eg_A);
          halve_(eg_B);      
        } else {
          add_(eg_A,y);  halve_(eg_A);
          sub_(eg_B,x);  halve_(eg_B);
        }
      }

      while (!(v[0]&1)) {  //while v is even
        halve_(v);
        if (!(eg_C[0]&1) && !(eg_D[0]&1)) { //if C==D==0 mod 2
          halve_(eg_C);
          halve_(eg_D);      
        } else {
          add_(eg_C,y);  halve_(eg_C);
          sub_(eg_D,x);  halve_(eg_D);
        }
      }

      if (!greater(v,eg_u)) { //v<=u
        sub_(eg_u,v);
        sub_(eg_A,eg_C);
        sub_(eg_B,eg_D);
      } else {                //v>u
        sub_(v,eg_u);
        sub_(eg_C,eg_A);
        sub_(eg_D,eg_B);
      }
      if (equalsInt(eg_u,0)) {
        while (negative(eg_C)) {   //make sure a (C) is nonnegative
          add_(eg_C,y);
          sub_(eg_D,x);
        }
        multInt_(eg_D,-1);  ///make sure b (D) is nonnegative
        copy_(a,eg_C);
        copy_(b,eg_D);
        leftShift_(v,g);
        return;
      }
    }
  }


  //is bigInt x negative?
  function negative(x) {
    return ((x[x.length-1]>>(bpe-1))&1);
  }


  //is (x << (shift*bpe)) > y?
  //x and y are nonnegative bigInts
  //shift is a nonnegative integer
  function greaterShift(x,y,shift) {
    var i, kx=x.length, ky=y.length;
    var k=((kx+shift)<ky) ? (kx+shift) : ky;
    for (i=ky-1-shift; i<kx && i>=0; i++) 
      if (x[i]>0)
        return 1; //if there are nonzeros in x to the left of the first column of y, then x is bigger
    for (i=kx-1+shift; i<ky; i++)
      if (y[i]>0)
        return 0; //if there are nonzeros in y to the left of the first column of x, then x is not bigger
    for (i=k-1; i>=shift; i--)
      if      (x[i-shift]>y[i]) return 1;
      else if (x[i-shift]<y[i]) return 0;
    return 0;
  }

  //is x > y? (x and y both nonnegative)
  function greater(x,y) {
    var i;
    var k=(x.length<y.length) ? x.length : y.length;

    for (i=x.length;i<y.length;i++)
      if (y[i])
        return 0;  //y has more digits

    for (i=y.length;i<x.length;i++)
      if (x[i])
        return 1;  //x has more digits

    for (i=k-1;i>=0;i--)
      if (x[i]>y[i])
        return 1;
      else if (x[i]<y[i])
        return 0;
    return 0;
  }

  //divide x by y giving quotient q and remainder r.  (q=floor(x/y),  r=x mod y).  All 4 are bigints.
  //x must have at least one leading zero element.
  //y must be nonzero.
  //q and r must be arrays that are exactly the same length as x. (Or q can have more).
  //Must have x.length >= y.length >= 2.
  function divide_(x,y,q,r) {
    var kx, ky;
    var i,j,y1,y2,c,a,b;
    copy_(r,x);
    for (ky=y.length;y[ky-1]==0;ky--); //ky is number of elements in y, not including leading zeros

    //normalize: ensure the most significant element of y has its highest bit set  
    b=y[ky-1];
    for (a=0; b; a++)
      b>>=1;  
    a=bpe-a;  //a is how many bits to shift so that the high order bit of y is leftmost in its array element
    leftShift_(y,a);  //multiply both by 1<<a now, then divide both by that at the end
    leftShift_(r,a);

    //Rob Visser discovered a bug: the following line was originally just before the normalization.
    for (kx=r.length;r[kx-1]==0 && kx>ky;kx--); //kx is number of elements in normalized x, not including leading zeros

    copyInt_(q,0);                      // q=0
    while (!greaterShift(y,r,kx-ky)) {  // while (leftShift_(y,kx-ky) <= r) {
      subShift_(r,y,kx-ky);             //   r=r-leftShift_(y,kx-ky)
      q[kx-ky]++;                       //   q[kx-ky]++;
    }                                   // }

    for (i=kx-1; i>=ky; i--) {
      if (r[i]==y[ky-1])
        q[i-ky]=mask;
      else
        q[i-ky]=Math.floor((r[i]*radix+r[i-1])/y[ky-1]);

      //The following for(;;) loop is equivalent to the commented while loop, 
      //except that the uncommented version avoids overflow.
      //The commented loop comes from HAC, which assumes r[-1]==y[-1]==0
      //  while (q[i-ky]*(y[ky-1]*radix+y[ky-2]) > r[i]*radix*radix+r[i-1]*radix+r[i-2])
      //    q[i-ky]--;    
      for (;;) {
        y2=(ky>1 ? y[ky-2] : 0)*q[i-ky];
        c=y2;
        y2=y2 & mask;
        c = (c - y2) / radix;
        y1=c+q[i-ky]*y[ky-1];
        c=y1;
        y1=y1 & mask;
        c = (c - y1) / radix;

        if (c==r[i] ? y1==r[i-1] ? y2>(i>1 ? r[i-2] : 0) : y1>r[i-1] : c>r[i]) 
          q[i-ky]--;
        else
          break;
      }

      linCombShift_(r,y,-q[i-ky],i-ky);    //r=r-q[i-ky]*leftShift_(y,i-ky)
      if (negative(r)) {
        addShift_(r,y,i-ky);         //r=r+leftShift_(y,i-ky)
        q[i-ky]--;
      }
    }

    rightShift_(y,a);  //undo the normalization step
    rightShift_(r,a);  //undo the normalization step
  }

  //do carries and borrows so each element of the bigInt x fits in bpe bits.
  function carry_(x) {
    var i,k,c,b;
    k=x.length;
    c=0;
    for (i=0;i<k;i++) {
      c+=x[i];
      b=0;
      if (c<0) {
        b = c & mask;
        b = -((c - b) / radix);
        c+=b*radix;
      }
      x[i]=c & mask;
      c = ((c - x[i]) / radix) - b;
    }
  }

  //return x mod n for bigInt x and integer n.
  function modInt(x,n) {
    var i,c=0;
    for (i=x.length-1; i>=0; i--)
      c=(c*radix+x[i])%n;
    return c;
  }

  //convert the integer t into a bigInt with at least the given number of bits.
  //the returned array stores the bigInt in bpe-bit chunks, little endian (buff[0] is least significant word)
  //Pad the array with leading zeros so that it has at least minSize elements.
  //There will always be at least one leading 0 element.
  function int2bigInt(t,bits,minSize) {   
    var i,k, buff;
    k=Math.ceil(bits/bpe)+1;
    k=minSize>k ? minSize : k;
    buff=new Array(k);
    copyInt_(buff,t);
    return buff;
  }

  //return the bigInt given a string representation in a given base.  
  //Pad the array with leading zeros so that it has at least minSize elements.
  //If base=-1, then it reads in a space-separated list of array elements in decimal.
  //The array will always have at least one leading zero, unless base=-1.
  function str2bigInt(s,base,minSize) {
    var d, i, j, x, y, kk;
    var k=s.length;
    if (base==-1) { //comma-separated list of array elements in decimal
      x=new Array(0);
      for (;;) {
        y=new Array(x.length+1);
        for (i=0;i<x.length;i++)
          y[i+1]=x[i];
        y[0]=parseInt(s,10);
        x=y;
        d=s.indexOf(',',0);
        if (d<1) 
          break;
        s=s.substring(d+1);
        if (s.length==0)
          break;
      }
      if (x.length<minSize) {
        y=new Array(minSize);
        copy_(y,x);
        return y;
      }
      return x;
    }

    // log2(base)*k
    var bb = base, p = 0;
    var b = base == 1 ? k : 0;
    while (bb > 1) {
      if (bb & 1) p = 1;
      b += k;
      bb >>= 1;
    }
    b += p*k;

    x=int2bigInt(0,b,0);
    for (i=0;i<k;i++) {
      d=digitsStr.indexOf(s.substring(i,i+1),0);
      if (base<=36 && d>=36)  //convert lowercase to uppercase if base<=36
        d-=26;
      if (d>=base || d<0) {   //stop at first illegal character
        break;
      }
      multInt_(x,base);
      addInt_(x,d);
    }

    for (k=x.length;k>0 && !x[k-1];k--); //strip off leading zeros
    k=minSize>k+1 ? minSize : k+1;
    y=new Array(k);
    kk=k<x.length ? k : x.length;
    for (i=0;i<kk;i++)
      y[i]=x[i];
    for (;i<k;i++)
      y[i]=0;
    return y;
  }

  //is bigint x equal to integer y?
  //y must have less than bpe bits
  function equalsInt(x,y) {
    var i;
    if (x[0]!=y)
      return 0;
    for (i=1;i<x.length;i++)
      if (x[i])
        return 0;
    return 1;
  }

  //are bigints x and y equal?
  //this works even if x and y are different lengths and have arbitrarily many leading zeros
  function equals(x,y) {
    var i;
    var k=x.length<y.length ? x.length : y.length;
    for (i=0;i<k;i++)
      if (x[i]!=y[i])
        return 0;
    if (x.length>y.length) {
      for (;i<x.length;i++)
        if (x[i])
          return 0;
    } else {
      for (;i<y.length;i++)
        if (y[i])
          return 0;
    }
    return 1;
  }

  //is the bigInt x equal to zero?
  function isZero(x) {
    var i;
    for (i=0;i<x.length;i++)
      if (x[i])
        return 0;
    return 1;
  }

  //convert a bigInt into a string in a given base, from base 2 up to base 95.
  //Base -1 prints the contents of the array representing the number.
  function bigInt2str(x,base) {
    var i,t,s="";

    if (s6.length!=x.length) 
      s6=dup(x);
    else
      copy_(s6,x);

    if (base==-1) { //return the list of array contents
      for (i=x.length-1;i>0;i--)
        s+=x[i]+',';
      s+=x[0];
    }
    else { //return it in the given base
      while (!isZero(s6)) {
        t=divInt_(s6,base);  //t=s6 % base; s6=floor(s6/base);
        s=digitsStr.substring(t,t+1)+s;
      }
    }
    if (s.length==0)
      s="0";
    return s;
  }

  //returns a duplicate of bigInt x
  function dup(x) {
    var i, buff;
    buff=new Array(x.length);
    copy_(buff,x);
    return buff;
  }

  //do x=y on bigInts x and y.  x must be an array at least as big as y (not counting the leading zeros in y).
  function copy_(x,y) {
    var i;
    var k=x.length<y.length ? x.length : y.length;
    for (i=0;i<k;i++)
      x[i]=y[i];
    for (i=k;i<x.length;i++)
      x[i]=0;
  }

  //do x=y on bigInt x and integer y.  
  function copyInt_(x,n) {
    var i,c;
    for (c=n,i=0;i<x.length;i++) {
      x[i]=c & mask;
      c>>=bpe;
    }
  }

  //do x=x+n where x is a bigInt and n is an integer.
  //x must be large enough to hold the result.
  function addInt_(x,n) {
    var i,k,c,b;
    x[0]+=n;
    k=x.length;
    c=0;
    for (i=0;i<k;i++) {
      c+=x[i];
      b=0;
      if (c<0) {
        b = c & mask;
        b = -((c - b) / radix);
        c+=b*radix;
      }
      x[i]=c & mask;
      c = ((c - x[i]) / radix) - b;
      if (!c) return; //stop carrying as soon as the carry is zero
    }
  }

  //right shift bigInt x by n bits.
  function rightShift_(x,n) {
    var i;
    var k=Math.floor(n/bpe);
    if (k) {
      for (i=0;i<x.length-k;i++) //right shift x by k elements
        x[i]=x[i+k];
      for (;i<x.length;i++)
        x[i]=0;
      n%=bpe;
    }
    for (i=0;i<x.length-1;i++) {
      x[i]=mask & ((x[i+1]<<(bpe-n)) | (x[i]>>n));
    }
    x[i]>>=n;
  }

  //do x=floor(|x|/2)*sgn(x) for bigInt x in 2's complement
  function halve_(x) {
    var i;
    for (i=0;i<x.length-1;i++) {
      x[i]=mask & ((x[i+1]<<(bpe-1)) | (x[i]>>1));
    }
    x[i]=(x[i]>>1) | (x[i] & (radix>>1));  //most significant bit stays the same
  }

  //left shift bigInt x by n bits.
  function leftShift_(x,n) {
    var i;
    var k=Math.floor(n/bpe);
    if (k) {
      for (i=x.length; i>=k; i--) //left shift x by k elements
        x[i]=x[i-k];
      for (;i>=0;i--)
        x[i]=0;  
      n%=bpe;
    }
    if (!n)
      return;
    for (i=x.length-1;i>0;i--) {
      x[i]=mask & ((x[i]<<n) | (x[i-1]>>(bpe-n)));
    }
    x[i]=mask & (x[i]<<n);
  }

  //do x=x*n where x is a bigInt and n is an integer.
  //x must be large enough to hold the result.
  function multInt_(x,n) {
    var i,k,c,b;
    if (!n)
      return;
    k=x.length;
    c=0;
    for (i=0;i<k;i++) {
      c+=x[i]*n;
      b=0;
      if (c<0) {
        b = c & mask;
        b = -((c - b) / radix);
        c+=b*radix;
      }
      x[i]=c & mask;
      c = ((c - x[i]) / radix) - b;
    }
  }

  //do x=floor(x/n) for bigInt x and integer n, and return the remainder
  function divInt_(x,n) {
    var i,r=0,s;
    for (i=x.length-1;i>=0;i--) {
      s=r*radix+x[i];
      x[i]=Math.floor(s/n);
      r=s%n;
    }
    return r;
  }

  //do the linear combination x=a*x+b*y for bigInts x and y, and integers a and b.
  //x must be large enough to hold the answer.
  function linComb_(x,y,a,b) {
    var i,c,k,kk;
    k=x.length<y.length ? x.length : y.length;
    kk=x.length;
    for (c=0,i=0;i<k;i++) {
      c+=a*x[i]+b*y[i];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
    for (i=k;i<kk;i++) {
      c+=a*x[i];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
  }

  //do the linear combination x=a*x+b*(y<<(ys*bpe)) for bigInts x and y, and integers a, b and ys.
  //x must be large enough to hold the answer.
  function linCombShift_(x,y,b,ys) {
    var i,c,k,kk;
    k=x.length<ys+y.length ? x.length : ys+y.length;
    kk=x.length;
    for (c=0,i=ys;i<k;i++) {
      c+=x[i]+b*y[i-ys];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
    for (i=k;c && i<kk;i++) {
      c+=x[i];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
  }

  //do x=x+(y<<(ys*bpe)) for bigInts x and y, and integers a,b and ys.
  //x must be large enough to hold the answer.
  function addShift_(x,y,ys) {
    var i,c,k,kk;
    k=x.length<ys+y.length ? x.length : ys+y.length;
    kk=x.length;
    for (c=0,i=ys;i<k;i++) {
      c+=x[i]+y[i-ys];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
    for (i=k;c && i<kk;i++) {
      c+=x[i];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
  }

  //do x=x-(y<<(ys*bpe)) for bigInts x and y, and integers a,b and ys.
  //x must be large enough to hold the answer.
  function subShift_(x,y,ys) {
    var i,c,k,kk;
    k=x.length<ys+y.length ? x.length : ys+y.length;
    kk=x.length;
    for (c=0,i=ys;i<k;i++) {
      c+=x[i]-y[i-ys];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
    for (i=k;c && i<kk;i++) {
      c+=x[i];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
  }

  //do x=x-y for bigInts x and y.
  //x must be large enough to hold the answer.
  //negative answers will be 2s complement
  function sub_(x,y) {
    var i,c,k,kk;
    k=x.length<y.length ? x.length : y.length;
    for (c=0,i=0;i<k;i++) {
      c+=x[i]-y[i];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
    for (i=k;c && i<x.length;i++) {
      c+=x[i];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
  }

  //do x=x+y for bigInts x and y.
  //x must be large enough to hold the answer.
  function add_(x,y) {
    var i,c,k,kk;
    k=x.length<y.length ? x.length : y.length;
    for (c=0,i=0;i<k;i++) {
      c+=x[i]+y[i];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
    for (i=k;c && i<x.length;i++) {
      c+=x[i];
      x[i]=c & mask;
      c = (c - x[i]) / radix;
    }
  }

  //do x=x*y for bigInts x and y.  This is faster when y<x.
  function mult_(x,y) {
    var i;
    if (ss.length!=2*x.length)
      ss=new Array(2*x.length);
    copyInt_(ss,0);
    for (i=0;i<y.length;i++)
      if (y[i])
        linCombShift_(ss,x,y[i],i);   //ss=1*ss+y[i]*(x<<(i*bpe))
    copy_(x,ss);
  }

  //do x=x mod n for bigInts x and n.
  function mod_(x,n) {
    if (s4.length!=x.length)
      s4=dup(x);
    else
      copy_(s4,x);
    if (s5.length!=x.length)
      s5=dup(x);  
    divide_(s4,n,s5,x);  //x = remainder of s4 / n
  }

  //do x=x*y mod n for bigInts x,y,n.
  //for greater speed, let y<x.
  function multMod_(x,y,n) {
    var i;
    if (s0.length!=2*x.length)
      s0=new Array(2*x.length);
    copyInt_(s0,0);
    for (i=0;i<y.length;i++)
      if (y[i])
        linCombShift_(s0,x,y[i],i);   //s0=1*s0+y[i]*(x<<(i*bpe))
    mod_(s0,n);
    copy_(x,s0);
  }

  //do x=x*x mod n for bigInts x,n.
  function squareMod_(x,n) {
    var i,j,d,c,kx,kn,k;
    for (kx=x.length; kx>0 && !x[kx-1]; kx--);  //ignore leading zeros in x
    k=kx>n.length ? 2*kx : 2*n.length; //k=# elements in the product, which is twice the elements in the larger of x and n
    if (s0.length!=k) 
      s0=new Array(k);
    copyInt_(s0,0);
    for (i=0;i<kx;i++) {
      c=s0[2*i]+x[i]*x[i];
      s0[2*i]=c & mask;
      c = (c - s0[2*i]) / radix;
      for (j=i+1;j<kx;j++) {
        c=s0[i+j]+2*x[i]*x[j]+c;
        s0[i+j]=(c & mask);
        c = (c - s0[i+j]) / radix;
      }
      s0[i+kx]=c;
    }
    mod_(s0,n);
    copy_(x,s0);
  }

  //return x with exactly k leading zero elements
  function trim(x,k) {
    var i,y;
    for (i=x.length; i>0 && !x[i-1]; i--);
    y=new Array(i+k);
    copy_(y,x);
    return y;
  }

  //do x=x**y mod n, where x,y,n are bigInts and ** is exponentiation.  0**0=1.
  //this is faster when n is odd.  x usually needs to have as many elements as n.
  function powMod_(x,y,n) {
    var k1,k2,kn,np;
    if(s7.length!=n.length)
      s7=dup(n);

    //for even modulus, use a simple square-and-multiply algorithm,
    //rather than using the more complex Montgomery algorithm.
    if ((n[0]&1)==0) {
      copy_(s7,x);
      copyInt_(x,1);
      while(!equalsInt(y,0)) {
        if (y[0]&1)
          multMod_(x,s7,n);
        divInt_(y,2);
        squareMod_(s7,n); 
      }
      return;
    }

    //calculate np from n for the Montgomery multiplications
    copyInt_(s7,0);
    for (kn=n.length;kn>0 && !n[kn-1];kn--);
    np=radix-inverseModInt(modInt(n,radix),radix);
    s7[kn]=1;
    multMod_(x ,s7,n);   // x = x * 2**(kn*bp) mod n

    if (s3.length!=x.length)
      s3=dup(x);
    else
      copy_(s3,x);

    for (k1=y.length-1;k1>0 & !y[k1]; k1--);  //k1=first nonzero element of y
    if (y[k1]==0) {  //anything to the 0th power is 1
      copyInt_(x,1);
      return;
    }
    for (k2=1<<(bpe-1);k2 && !(y[k1] & k2); k2>>=1);  //k2=position of first 1 bit in y[k1]
    for (;;) {
      if (!(k2>>=1)) {  //look at next bit of y
        k1--;
        if (k1<0) {
          mont_(x,one,n,np);
          return;
        }
        k2=1<<(bpe-1);
      }    
      mont_(x,x,n,np);

      if (k2 & y[k1]) //if next bit is a 1
        mont_(x,s3,n,np);
    }
  }


  //do x=x*y*Ri mod n for bigInts x,y,n, 
  //  where Ri = 2**(-kn*bpe) mod n, and kn is the 
  //  number of elements in the n array, not 
  //  counting leading zeros.  
  //x array must have at least as many elemnts as the n array
  //It's OK if x and y are the same variable.
  //must have:
  //  x,y < n
  //  n is odd
  //  np = -(n^(-1)) mod radix
  function mont_(x,y,n,np) {
    var i,j,c,ui,t,t2,ks;
    var kn=n.length;
    var ky=y.length;

    if (sa.length!=kn)
      sa=new Array(kn);
      
    copyInt_(sa,0);

    for (;kn>0 && n[kn-1]==0;kn--); //ignore leading zeros of n
    for (;ky>0 && y[ky-1]==0;ky--); //ignore leading zeros of y
    ks=sa.length-1; //sa will never have more than this many nonzero elements.  

    //the following loop consumes 95% of the runtime for randTruePrime_() and powMod_() for large numbers
    for (i=0; i<kn; i++) {
      t=sa[0]+x[i]*y[0];
      ui=((t & mask) * np) & mask;  //the inner "& mask" was needed on Safari (but not MSIE) at one time
      c=(t+ui*n[0]);
      c = (c - (c & mask)) / radix;
      t=x[i];
      
      //do sa=(sa+x[i]*y+ui*n)/b   where b=2**bpe.  Loop is unrolled 5-fold for speed
      j=1;
      for (;j<ky-4;) {
        c+=sa[j]+ui*n[j]+t*y[j]; t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
        c+=sa[j]+ui*n[j]+t*y[j]; t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
        c+=sa[j]+ui*n[j]+t*y[j]; t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
        c+=sa[j]+ui*n[j]+t*y[j]; t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
        c+=sa[j]+ui*n[j]+t*y[j]; t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
      }
      for (;j<ky;)   {
        c+=sa[j]+ui*n[j]+t*y[j]; t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
      }
      for (;j<kn-4;) {
        c+=sa[j]+ui*n[j];        t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
        c+=sa[j]+ui*n[j];        t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
        c+=sa[j]+ui*n[j];        t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
        c+=sa[j]+ui*n[j];        t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
        c+=sa[j]+ui*n[j];        t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
      }
      for (;j<kn;)   {
        c+=sa[j]+ui*n[j];        t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
      }
      for (;j<ks;)   {
        c+=sa[j];                t2=sa[j-1]=c & mask; c=(c-t2)/radix; j++;
      }
      sa[j-1]=c & mask;
    }

    if (!greater(n,sa))
      sub_(sa,n);
    copy_(x,sa);
  }


  // otr.js additions


  // computes num / den mod n
  function divMod(num, den, n) {
    return multMod(num, inverseMod(den, n), n)
  }

  // computes one - two mod n
  function subMod(one, two, n) {
    one = mod(one, n)
    two = mod(two, n)
    if (greater(two, one)) one = add(one, n)
    return sub(one, two)
  }

  // computes 2^m as a bigInt
  function twoToThe(m) {
    var b = Math.floor(m / bpe) + 2
    var t = new Array(b)
    for (var i = 0; i < b; i++) t[i] = 0
    t[b - 2] = 1 << (m % bpe)
    return t
  }

  // cache these results for faster lookup
  var _num2bin = (function () {
    var i = 0, _num2bin= {}
    for (; i < 0x100; ++i) {
      _num2bin[i] = String.fromCharCode(i)  // 0 -> "\00"
    }
    return _num2bin
  }())

  // serialize a bigInt to an ascii string
  // padded up to pad length
  function bigInt2bits(bi, pad) {
    pad || (pad = 0)
    bi = dup(bi)
    var ba = ''
    while (!isZero(bi)) {
      ba = _num2bin[bi[0] & 0xff] + ba
      rightShift_(bi, 8)
    }
    while (ba.length < pad) {
      ba = '\x00' + ba
    }
    return ba
  }

  // converts a byte array to a bigInt
  function ba2bigInt(data) {
    var mpi = str2bigInt('0', 10, data.length)
    data.forEach(function (d, i) {
      if (i) leftShift_(mpi, 8)
      mpi[0] |= d
    })
    return mpi
  }

  // returns a function that returns an array of n bytes
  var randomBytes = (function () {

    // in node
    if ( typeof crypto !== 'undefined' &&
      typeof crypto.randomBytes === 'function' ) {
      return function (n) {
        try {
          var buf = crypto.randomBytes(n)
        } catch (e) { throw e }
        return Array.prototype.slice.call(buf, 0)
      }
    }

    // in browser
    else if ( typeof crypto !== 'undefined' &&
      typeof crypto.getRandomValues === 'function' ) {
      return function (n) {
        var buf = new Uint8Array(n)
        crypto.getRandomValues(buf)
        return Array.prototype.slice.call(buf, 0)
      }
    }

    // err
    else {
      throw new Error('Keys should not be generated without CSPRNG.')
    }

  }())

  // Salsa 20 in webworker needs a 40 byte seed
  function getSeed() {
    return randomBytes(40)
  }

  // returns a single random byte
  function randomByte() {
    return randomBytes(1)[0]
  }

  // returns a k-bit random integer
  function randomBitInt(k) {
    if (k > 31) throw new Error("Too many bits.")
    var i = 0, r = 0
    var b = Math.floor(k / 8)
    var mask = (1 << (k % 8)) - 1
    if (mask) r = randomByte() & mask
    for (; i < b; i++)
      r = (256 * r) + randomByte()
    return r
  }

  return {
      str2bigInt    : str2bigInt
    , bigInt2str    : bigInt2str
    , int2bigInt    : int2bigInt
    , multMod       : multMod
    , powMod        : powMod
    , inverseMod    : inverseMod
    , randBigInt    : randBigInt
    , randBigInt_   : randBigInt_
    , equals        : equals
    , equalsInt     : equalsInt
    , sub           : sub
    , mod           : mod
    , modInt        : modInt
    , mult          : mult
    , divInt_       : divInt_
    , rightShift_   : rightShift_
    , dup           : dup
    , greater       : greater
    , add           : add
    , isZero        : isZero
    , bitSize       : bitSize
    , millerRabin   : millerRabin
    , divide_       : divide_
    , trim          : trim
    , primes        : primes
    , findPrimes    : findPrimes
    , getSeed       : getSeed
    , divMod        : divMod
    , subMod        : subMod
    , twoToThe      : twoToThe
    , bigInt2bits   : bigInt2bits
    , ba2bigInt     : ba2bigInt
  }

}))

/*!
 * Source: lib/otr/build/dep/crypto.js, license: code.google.com/p/crypto-js/wiki/license, url: code.google.com/p/crypto-js
 */
;(function (root, factory) {

  if (typeof define === "function" && define.amd) {
    define(factory)
  } else if (typeof module !== 'undefined' && module.exports) {
    module.exports = factory()
  } else {
    root.CryptoJS = factory()
  }

}(this, function () {

/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
/**
 * CryptoJS core components.
 */
var CryptoJS = CryptoJS || (function (Math, undefined) {
    /**
     * CryptoJS namespace.
     */
    var C = {};

    /**
     * Library namespace.
     */
    var C_lib = C.lib = {};

    /**
     * Base object for prototypal inheritance.
     */
    var Base = C_lib.Base = (function () {
        function F() {}

        return {
            /**
             * Creates a new object that inherits from this object.
             *
             * @param {Object} overrides Properties to copy into the new object.
             *
             * @return {Object} The new object.
             *
             * @static
             *
             * @example
             *
             *     var MyType = CryptoJS.lib.Base.extend({
             *         field: 'value',
             *
             *         method: function () {
             *         }
             *     });
             */
            extend: function (overrides) {
                // Spawn
                F.prototype = this;
                var subtype = new F();

                // Augment
                if (overrides) {
                    subtype.mixIn(overrides);
                }

                // Create default initializer
                if (!subtype.hasOwnProperty('init')) {
                    subtype.init = function () {
                        subtype.$super.init.apply(this, arguments);
                    };
                }

                // Initializer's prototype is the subtype object
                subtype.init.prototype = subtype;

                // Reference supertype
                subtype.$super = this;

                return subtype;
            },

            /**
             * Extends this object and runs the init method.
             * Arguments to create() will be passed to init().
             *
             * @return {Object} The new object.
             *
             * @static
             *
             * @example
             *
             *     var instance = MyType.create();
             */
            create: function () {
                var instance = this.extend();
                instance.init.apply(instance, arguments);

                return instance;
            },

            /**
             * Initializes a newly created object.
             * Override this method to add some logic when your objects are created.
             *
             * @example
             *
             *     var MyType = CryptoJS.lib.Base.extend({
             *         init: function () {
             *             // ...
             *         }
             *     });
             */
            init: function () {
            },

            /**
             * Copies properties into this object.
             *
             * @param {Object} properties The properties to mix in.
             *
             * @example
             *
             *     MyType.mixIn({
             *         field: 'value'
             *     });
             */
            mixIn: function (properties) {
                for (var propertyName in properties) {
                    if (properties.hasOwnProperty(propertyName)) {
                        this[propertyName] = properties[propertyName];
                    }
                }

                // IE won't copy toString using the loop above
                if (properties.hasOwnProperty('toString')) {
                    this.toString = properties.toString;
                }
            },

            /**
             * Creates a copy of this object.
             *
             * @return {Object} The clone.
             *
             * @example
             *
             *     var clone = instance.clone();
             */
            clone: function () {
                return this.init.prototype.extend(this);
            }
        };
    }());

    /**
     * An array of 32-bit words.
     *
     * @property {Array} words The array of 32-bit words.
     * @property {number} sigBytes The number of significant bytes in this word array.
     */
    var WordArray = C_lib.WordArray = Base.extend({
        /**
         * Initializes a newly created word array.
         *
         * @param {Array} words (Optional) An array of 32-bit words.
         * @param {number} sigBytes (Optional) The number of significant bytes in the words.
         *
         * @example
         *
         *     var wordArray = CryptoJS.lib.WordArray.create();
         *     var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607]);
         *     var wordArray = CryptoJS.lib.WordArray.create([0x00010203, 0x04050607], 6);
         */
        init: function (words, sigBytes) {
            words = this.words = words || [];

            if (sigBytes != undefined) {
                this.sigBytes = sigBytes;
            } else {
                this.sigBytes = words.length * 4;
            }
        },

        /**
         * Converts this word array to a string.
         *
         * @param {Encoder} encoder (Optional) The encoding strategy to use. Default: CryptoJS.enc.Hex
         *
         * @return {string} The stringified word array.
         *
         * @example
         *
         *     var string = wordArray + '';
         *     var string = wordArray.toString();
         *     var string = wordArray.toString(CryptoJS.enc.Utf8);
         */
        toString: function (encoder) {
            return (encoder || Hex).stringify(this);
        },

        /**
         * Concatenates a word array to this word array.
         *
         * @param {WordArray} wordArray The word array to append.
         *
         * @return {WordArray} This word array.
         *
         * @example
         *
         *     wordArray1.concat(wordArray2);
         */
        concat: function (wordArray) {
            // Shortcuts
            var thisWords = this.words;
            var thatWords = wordArray.words;
            var thisSigBytes = this.sigBytes;
            var thatSigBytes = wordArray.sigBytes;

            // Clamp excess bits
            this.clamp();

            // Concat
            if (thisSigBytes % 4) {
                // Copy one byte at a time
                for (var i = 0; i < thatSigBytes; i++) {
                    var thatByte = (thatWords[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
                    thisWords[(thisSigBytes + i) >>> 2] |= thatByte << (24 - ((thisSigBytes + i) % 4) * 8);
                }
            } else if (thatWords.length > 0xffff) {
                // Copy one word at a time
                for (var i = 0; i < thatSigBytes; i += 4) {
                    thisWords[(thisSigBytes + i) >>> 2] = thatWords[i >>> 2];
                }
            } else {
                // Copy all words at once
                thisWords.push.apply(thisWords, thatWords);
            }
            this.sigBytes += thatSigBytes;

            // Chainable
            return this;
        },

        /**
         * Removes insignificant bits.
         *
         * @example
         *
         *     wordArray.clamp();
         */
        clamp: function () {
            // Shortcuts
            var words = this.words;
            var sigBytes = this.sigBytes;

            // Clamp
            words[sigBytes >>> 2] &= 0xffffffff << (32 - (sigBytes % 4) * 8);
            words.length = Math.ceil(sigBytes / 4);
        },

        /**
         * Creates a copy of this word array.
         *
         * @return {WordArray} The clone.
         *
         * @example
         *
         *     var clone = wordArray.clone();
         */
        clone: function () {
            var clone = Base.clone.call(this);
            clone.words = this.words.slice(0);

            return clone;
        },

        /**
         * Creates a word array filled with random bytes.
         *
         * @param {number} nBytes The number of random bytes to generate.
         *
         * @return {WordArray} The random word array.
         *
         * @static
         *
         * @example
         *
         *     var wordArray = CryptoJS.lib.WordArray.random(16);
         */
        random: function (nBytes) {
            var words = [];
            for (var i = 0; i < nBytes; i += 4) {
                words.push((Math.random() * 0x100000000) | 0);
            }

            return new WordArray.init(words, nBytes);
        }
    });

    /**
     * Encoder namespace.
     */
    var C_enc = C.enc = {};

    /**
     * Hex encoding strategy.
     */
    var Hex = C_enc.Hex = {
        /**
         * Converts a word array to a hex string.
         *
         * @param {WordArray} wordArray The word array.
         *
         * @return {string} The hex string.
         *
         * @static
         *
         * @example
         *
         *     var hexString = CryptoJS.enc.Hex.stringify(wordArray);
         */
        stringify: function (wordArray) {
            // Shortcuts
            var words = wordArray.words;
            var sigBytes = wordArray.sigBytes;

            // Convert
            var hexChars = [];
            for (var i = 0; i < sigBytes; i++) {
                var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
                hexChars.push((bite >>> 4).toString(16));
                hexChars.push((bite & 0x0f).toString(16));
            }

            return hexChars.join('');
        },

        /**
         * Converts a hex string to a word array.
         *
         * @param {string} hexStr The hex string.
         *
         * @return {WordArray} The word array.
         *
         * @static
         *
         * @example
         *
         *     var wordArray = CryptoJS.enc.Hex.parse(hexString);
         */
        parse: function (hexStr) {
            // Shortcut
            var hexStrLength = hexStr.length;

            // Convert
            var words = [];
            for (var i = 0; i < hexStrLength; i += 2) {
                words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << (24 - (i % 8) * 4);
            }

            return new WordArray.init(words, hexStrLength / 2);
        }
    };

    /**
     * Latin1 encoding strategy.
     */
    var Latin1 = C_enc.Latin1 = {
        /**
         * Converts a word array to a Latin1 string.
         *
         * @param {WordArray} wordArray The word array.
         *
         * @return {string} The Latin1 string.
         *
         * @static
         *
         * @example
         *
         *     var latin1String = CryptoJS.enc.Latin1.stringify(wordArray);
         */
        stringify: function (wordArray) {
            // Shortcuts
            var words = wordArray.words;
            var sigBytes = wordArray.sigBytes;

            // Convert
            var latin1Chars = [];
            for (var i = 0; i < sigBytes; i++) {
                var bite = (words[i >>> 2] >>> (24 - (i % 4) * 8)) & 0xff;
                latin1Chars.push(String.fromCharCode(bite));
            }

            return latin1Chars.join('');
        },

        /**
         * Converts a Latin1 string to a word array.
         *
         * @param {string} latin1Str The Latin1 string.
         *
         * @return {WordArray} The word array.
         *
         * @static
         *
         * @example
         *
         *     var wordArray = CryptoJS.enc.Latin1.parse(latin1String);
         */
        parse: function (latin1Str) {
            // Shortcut
            var latin1StrLength = latin1Str.length;

            // Convert
            var words = [];
            for (var i = 0; i < latin1StrLength; i++) {
                words[i >>> 2] |= (latin1Str.charCodeAt(i) & 0xff) << (24 - (i % 4) * 8);
            }

            return new WordArray.init(words, latin1StrLength);
        }
    };

    /**
     * UTF-8 encoding strategy.
     */
    var Utf8 = C_enc.Utf8 = {
        /**
         * Converts a word array to a UTF-8 string.
         *
         * @param {WordArray} wordArray The word array.
         *
         * @return {string} The UTF-8 string.
         *
         * @static
         *
         * @example
         *
         *     var utf8String = CryptoJS.enc.Utf8.stringify(wordArray);
         */
        stringify: function (wordArray) {
            try {
                return decodeURIComponent(escape(Latin1.stringify(wordArray)));
            } catch (e) {
                throw new Error('Malformed UTF-8 data');
            }
        },

        /**
         * Converts a UTF-8 string to a word array.
         *
         * @param {string} utf8Str The UTF-8 string.
         *
         * @return {WordArray} The word array.
         *
         * @static
         *
         * @example
         *
         *     var wordArray = CryptoJS.enc.Utf8.parse(utf8String);
         */
        parse: function (utf8Str) {
            return Latin1.parse(unescape(encodeURIComponent(utf8Str)));
        }
    };

    /**
     * Abstract buffered block algorithm template.
     *
     * The property blockSize must be implemented in a concrete subtype.
     *
     * @property {number} _minBufferSize The number of blocks that should be kept unprocessed in the buffer. Default: 0
     */
    var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm = Base.extend({
        /**
         * Resets this block algorithm's data buffer to its initial state.
         *
         * @example
         *
         *     bufferedBlockAlgorithm.reset();
         */
        reset: function () {
            // Initial values
            this._data = new WordArray.init();
            this._nDataBytes = 0;
        },

        /**
         * Adds new data to this block algorithm's buffer.
         *
         * @param {WordArray|string} data The data to append. Strings are converted to a WordArray using UTF-8.
         *
         * @example
         *
         *     bufferedBlockAlgorithm._append('data');
         *     bufferedBlockAlgorithm._append(wordArray);
         */
        _append: function (data) {
            // Convert string to WordArray, else assume WordArray already
            if (typeof data == 'string') {
                data = Utf8.parse(data);
            }

            // Append
            this._data.concat(data);
            this._nDataBytes += data.sigBytes;
        },

        /**
         * Processes available data blocks.
         *
         * This method invokes _doProcessBlock(offset), which must be implemented by a concrete subtype.
         *
         * @param {boolean} doFlush Whether all blocks and partial blocks should be processed.
         *
         * @return {WordArray} The processed data.
         *
         * @example
         *
         *     var processedData = bufferedBlockAlgorithm._process();
         *     var processedData = bufferedBlockAlgorithm._process(!!'flush');
         */
        _process: function (doFlush) {
            // Shortcuts
            var data = this._data;
            var dataWords = data.words;
            var dataSigBytes = data.sigBytes;
            var blockSize = this.blockSize;
            var blockSizeBytes = blockSize * 4;

            // Count blocks ready
            var nBlocksReady = dataSigBytes / blockSizeBytes;
            if (doFlush) {
                // Round up to include partial blocks
                nBlocksReady = Math.ceil(nBlocksReady);
            } else {
                // Round down to include only full blocks,
                // less the number of blocks that must remain in the buffer
                nBlocksReady = Math.max((nBlocksReady | 0) - this._minBufferSize, 0);
            }

            // Count words ready
            var nWordsReady = nBlocksReady * blockSize;

            // Count bytes ready
            var nBytesReady = Math.min(nWordsReady * 4, dataSigBytes);

            // Process blocks
            if (nWordsReady) {
                for (var offset = 0; offset < nWordsReady; offset += blockSize) {
                    // Perform concrete-algorithm logic
                    this._doProcessBlock(dataWords, offset);
                }

                // Remove processed words
                var processedWords = dataWords.splice(0, nWordsReady);
                data.sigBytes -= nBytesReady;
            }

            // Return processed words
            return new WordArray.init(processedWords, nBytesReady);
        },

        /**
         * Creates a copy of this object.
         *
         * @return {Object} The clone.
         *
         * @example
         *
         *     var clone = bufferedBlockAlgorithm.clone();
         */
        clone: function () {
            var clone = Base.clone.call(this);
            clone._data = this._data.clone();

            return clone;
        },

        _minBufferSize: 0
    });

    /**
     * Abstract hasher template.
     *
     * @property {number} blockSize The number of 32-bit words this hasher operates on. Default: 16 (512 bits)
     */
    var Hasher = C_lib.Hasher = BufferedBlockAlgorithm.extend({
        /**
         * Configuration options.
         */
        cfg: Base.extend(),

        /**
         * Initializes a newly created hasher.
         *
         * @param {Object} cfg (Optional) The configuration options to use for this hash computation.
         *
         * @example
         *
         *     var hasher = CryptoJS.algo.SHA256.create();
         */
        init: function (cfg) {
            // Apply config defaults
            this.cfg = this.cfg.extend(cfg);

            // Set initial values
            this.reset();
        },

        /**
         * Resets this hasher to its initial state.
         *
         * @example
         *
         *     hasher.reset();
         */
        reset: function () {
            // Reset data buffer
            BufferedBlockAlgorithm.reset.call(this);

            // Perform concrete-hasher logic
            this._doReset();
        },

        /**
         * Updates this hasher with a message.
         *
         * @param {WordArray|string} messageUpdate The message to append.
         *
         * @return {Hasher} This hasher.
         *
         * @example
         *
         *     hasher.update('message');
         *     hasher.update(wordArray);
         */
        update: function (messageUpdate) {
            // Append
            this._append(messageUpdate);

            // Update the hash
            this._process();

            // Chainable
            return this;
        },

        /**
         * Finalizes the hash computation.
         * Note that the finalize operation is effectively a destructive, read-once operation.
         *
         * @param {WordArray|string} messageUpdate (Optional) A final message update.
         *
         * @return {WordArray} The hash.
         *
         * @example
         *
         *     var hash = hasher.finalize();
         *     var hash = hasher.finalize('message');
         *     var hash = hasher.finalize(wordArray);
         */
        finalize: function (messageUpdate) {
            // Final message update
            if (messageUpdate) {
                this._append(messageUpdate);
            }

            // Perform concrete-hasher logic
            var hash = this._doFinalize();

            return hash;
        },

        blockSize: 512/32,

        /**
         * Creates a shortcut function to a hasher's object interface.
         *
         * @param {Hasher} hasher The hasher to create a helper for.
         *
         * @return {Function} The shortcut function.
         *
         * @static
         *
         * @example
         *
         *     var SHA256 = CryptoJS.lib.Hasher._createHelper(CryptoJS.algo.SHA256);
         */
        _createHelper: function (hasher) {
            return function (message, cfg) {
                return new hasher.init(cfg).finalize(message);
            };
        },

        /**
         * Creates a shortcut function to the HMAC's object interface.
         *
         * @param {Hasher} hasher The hasher to use in this HMAC helper.
         *
         * @return {Function} The shortcut function.
         *
         * @static
         *
         * @example
         *
         *     var HmacSHA256 = CryptoJS.lib.Hasher._createHmacHelper(CryptoJS.algo.SHA256);
         */
        _createHmacHelper: function (hasher) {
            return function (message, key) {
                return new C_algo.HMAC.init(hasher, key).finalize(message);
            };
        }
    });

    /**
     * Algorithm namespace.
     */
    var C_algo = C.algo = {};

    return C;
}(Math));

/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
(function () {
    // Shortcuts
    var C = CryptoJS;
    var C_lib = C.lib;
    var WordArray = C_lib.WordArray;
    var C_enc = C.enc;

    /**
     * Base64 encoding strategy.
     */
    var Base64 = C_enc.Base64 = {
        /**
         * Converts a word array to a Base64 string.
         *
         * @param {WordArray} wordArray The word array.
         *
         * @return {string} The Base64 string.
         *
         * @static
         *
         * @example
         *
         *     var base64String = CryptoJS.enc.Base64.stringify(wordArray);
         */
        stringify: function (wordArray) {
            // Shortcuts
            var words = wordArray.words;
            var sigBytes = wordArray.sigBytes;
            var map = this._map;

            // Clamp excess bits
            wordArray.clamp();

            // Convert
            var base64Chars = [];
            for (var i = 0; i < sigBytes; i += 3) {
                var byte1 = (words[i >>> 2]       >>> (24 - (i % 4) * 8))       & 0xff;
                var byte2 = (words[(i + 1) >>> 2] >>> (24 - ((i + 1) % 4) * 8)) & 0xff;
                var byte3 = (words[(i + 2) >>> 2] >>> (24 - ((i + 2) % 4) * 8)) & 0xff;

                var triplet = (byte1 << 16) | (byte2 << 8) | byte3;

                for (var j = 0; (j < 4) && (i + j * 0.75 < sigBytes); j++) {
                    base64Chars.push(map.charAt((triplet >>> (6 * (3 - j))) & 0x3f));
                }
            }

            // Add padding
            var paddingChar = map.charAt(64);
            if (paddingChar) {
                while (base64Chars.length % 4) {
                    base64Chars.push(paddingChar);
                }
            }

            return base64Chars.join('');
        },

        /**
         * Converts a Base64 string to a word array.
         *
         * @param {string} base64Str The Base64 string.
         *
         * @return {WordArray} The word array.
         *
         * @static
         *
         * @example
         *
         *     var wordArray = CryptoJS.enc.Base64.parse(base64String);
         */
        parse: function (base64Str) {
            // Shortcuts
            var base64StrLength = base64Str.length;
            var map = this._map;

            // Ignore padding
            var paddingChar = map.charAt(64);
            if (paddingChar) {
                var paddingIndex = base64Str.indexOf(paddingChar);
                if (paddingIndex != -1) {
                    base64StrLength = paddingIndex;
                }
            }

            // Convert
            var words = [];
            var nBytes = 0;
            for (var i = 0; i < base64StrLength; i++) {
                if (i % 4) {
                    var bits1 = map.indexOf(base64Str.charAt(i - 1)) << ((i % 4) * 2);
                    var bits2 = map.indexOf(base64Str.charAt(i)) >>> (6 - (i % 4) * 2);
                    words[nBytes >>> 2] |= (bits1 | bits2) << (24 - (nBytes % 4) * 8);
                    nBytes++;
                }
            }

            return WordArray.create(words, nBytes);
        },

        _map: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='
    };
}());

/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
/**
 * Cipher core components.
 */
CryptoJS.lib.Cipher || (function (undefined) {
    // Shortcuts
    var C = CryptoJS;
    var C_lib = C.lib;
    var Base = C_lib.Base;
    var WordArray = C_lib.WordArray;
    var BufferedBlockAlgorithm = C_lib.BufferedBlockAlgorithm;
    var C_enc = C.enc;
    var Utf8 = C_enc.Utf8;
    var Base64 = C_enc.Base64;
    var C_algo = C.algo;
    var EvpKDF = C_algo.EvpKDF;

    /**
     * Abstract base cipher template.
     *
     * @property {number} keySize This cipher's key size. Default: 4 (128 bits)
     * @property {number} ivSize This cipher's IV size. Default: 4 (128 bits)
     * @property {number} _ENC_XFORM_MODE A constant representing encryption mode.
     * @property {number} _DEC_XFORM_MODE A constant representing decryption mode.
     */
    var Cipher = C_lib.Cipher = BufferedBlockAlgorithm.extend({
        /**
         * Configuration options.
         *
         * @property {WordArray} iv The IV to use for this operation.
         */
        cfg: Base.extend(),

        /**
         * Creates this cipher in encryption mode.
         *
         * @param {WordArray} key The key.
         * @param {Object} cfg (Optional) The configuration options to use for this operation.
         *
         * @return {Cipher} A cipher instance.
         *
         * @static
         *
         * @example
         *
         *     var cipher = CryptoJS.algo.AES.createEncryptor(keyWordArray, { iv: ivWordArray });
         */
        createEncryptor: function (key, cfg) {
            return this.create(this._ENC_XFORM_MODE, key, cfg);
        },

        /**
         * Creates this cipher in decryption mode.
         *
         * @param {WordArray} key The key.
         * @param {Object} cfg (Optional) The configuration options to use for this operation.
         *
         * @return {Cipher} A cipher instance.
         *
         * @static
         *
         * @example
         *
         *     var cipher = CryptoJS.algo.AES.createDecryptor(keyWordArray, { iv: ivWordArray });
         */
        createDecryptor: function (key, cfg) {
            return this.create(this._DEC_XFORM_MODE, key, cfg);
        },

        /**
         * Initializes a newly created cipher.
         *
         * @param {number} xformMode Either the encryption or decryption transormation mode constant.
         * @param {WordArray} key The key.
         * @param {Object} cfg (Optional) The configuration options to use for this operation.
         *
         * @example
         *
         *     var cipher = CryptoJS.algo.AES.create(CryptoJS.algo.AES._ENC_XFORM_MODE, keyWordArray, { iv: ivWordArray });
         */
        init: function (xformMode, key, cfg) {
            // Apply config defaults
            this.cfg = this.cfg.extend(cfg);

            // Store transform mode and key
            this._xformMode = xformMode;
            this._key = key;

            // Set initial values
            this.reset();
        },

        /**
         * Resets this cipher to its initial state.
         *
         * @example
         *
         *     cipher.reset();
         */
        reset: function () {
            // Reset data buffer
            BufferedBlockAlgorithm.reset.call(this);

            // Perform concrete-cipher logic
            this._doReset();
        },

        /**
         * Adds data to be encrypted or decrypted.
         *
         * @param {WordArray|string} dataUpdate The data to encrypt or decrypt.
         *
         * @return {WordArray} The data after processing.
         *
         * @example
         *
         *     var encrypted = cipher.process('data');
         *     var encrypted = cipher.process(wordArray);
         */
        process: function (dataUpdate) {
            // Append
            this._append(dataUpdate);

            // Process available blocks
            return this._process();
        },

        /**
         * Finalizes the encryption or decryption process.
         * Note that the finalize operation is effectively a destructive, read-once operation.
         *
         * @param {WordArray|string} dataUpdate The final data to encrypt or decrypt.
         *
         * @return {WordArray} The data after final processing.
         *
         * @example
         *
         *     var encrypted = cipher.finalize();
         *     var encrypted = cipher.finalize('data');
         *     var encrypted = cipher.finalize(wordArray);
         */
        finalize: function (dataUpdate) {
            // Final data update
            if (dataUpdate) {
                this._append(dataUpdate);
            }

            // Perform concrete-cipher logic
            var finalProcessedData = this._doFinalize();

            return finalProcessedData;
        },

        keySize: 128/32,

        ivSize: 128/32,

        _ENC_XFORM_MODE: 1,

        _DEC_XFORM_MODE: 2,

        /**
         * Creates shortcut functions to a cipher's object interface.
         *
         * @param {Cipher} cipher The cipher to create a helper for.
         *
         * @return {Object} An object with encrypt and decrypt shortcut functions.
         *
         * @static
         *
         * @example
         *
         *     var AES = CryptoJS.lib.Cipher._createHelper(CryptoJS.algo.AES);
         */
        _createHelper: (function () {
            function selectCipherStrategy(key) {
                if (typeof key == 'string') {
                    return PasswordBasedCipher;
                } else {
                    return SerializableCipher;
                }
            }

            return function (cipher) {
                return {
                    encrypt: function (message, key, cfg) {
                        return selectCipherStrategy(key).encrypt(cipher, message, key, cfg);
                    },

                    decrypt: function (ciphertext, key, cfg) {
                        return selectCipherStrategy(key).decrypt(cipher, ciphertext, key, cfg);
                    }
                };
            };
        }())
    });

    /**
     * Abstract base stream cipher template.
     *
     * @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 1 (32 bits)
     */
    var StreamCipher = C_lib.StreamCipher = Cipher.extend({
        _doFinalize: function () {
            // Process partial blocks
            var finalProcessedBlocks = this._process(!!'flush');

            return finalProcessedBlocks;
        },

        blockSize: 1
    });

    /**
     * Mode namespace.
     */
    var C_mode = C.mode = {};

    /**
     * Abstract base block cipher mode template.
     */
    var BlockCipherMode = C_lib.BlockCipherMode = Base.extend({
        /**
         * Creates this mode for encryption.
         *
         * @param {Cipher} cipher A block cipher instance.
         * @param {Array} iv The IV words.
         *
         * @static
         *
         * @example
         *
         *     var mode = CryptoJS.mode.CBC.createEncryptor(cipher, iv.words);
         */
        createEncryptor: function (cipher, iv) {
            return this.Encryptor.create(cipher, iv);
        },

        /**
         * Creates this mode for decryption.
         *
         * @param {Cipher} cipher A block cipher instance.
         * @param {Array} iv The IV words.
         *
         * @static
         *
         * @example
         *
         *     var mode = CryptoJS.mode.CBC.createDecryptor(cipher, iv.words);
         */
        createDecryptor: function (cipher, iv) {
            return this.Decryptor.create(cipher, iv);
        },

        /**
         * Initializes a newly created mode.
         *
         * @param {Cipher} cipher A block cipher instance.
         * @param {Array} iv The IV words.
         *
         * @example
         *
         *     var mode = CryptoJS.mode.CBC.Encryptor.create(cipher, iv.words);
         */
        init: function (cipher, iv) {
            this._cipher = cipher;
            this._iv = iv;
        }
    });

    /**
     * Cipher Block Chaining mode.
     */
    var CBC = C_mode.CBC = (function () {
        /**
         * Abstract base CBC mode.
         */
        var CBC = BlockCipherMode.extend();

        /**
         * CBC encryptor.
         */
        CBC.Encryptor = CBC.extend({
            /**
             * Processes the data block at offset.
             *
             * @param {Array} words The data words to operate on.
             * @param {number} offset The offset where the block starts.
             *
             * @example
             *
             *     mode.processBlock(data.words, offset);
             */
            processBlock: function (words, offset) {
                // Shortcuts
                var cipher = this._cipher;
                var blockSize = cipher.blockSize;

                // XOR and encrypt
                xorBlock.call(this, words, offset, blockSize);
                cipher.encryptBlock(words, offset);

                // Remember this block to use with next block
                this._prevBlock = words.slice(offset, offset + blockSize);
            }
        });

        /**
         * CBC decryptor.
         */
        CBC.Decryptor = CBC.extend({
            /**
             * Processes the data block at offset.
             *
             * @param {Array} words The data words to operate on.
             * @param {number} offset The offset where the block starts.
             *
             * @example
             *
             *     mode.processBlock(data.words, offset);
             */
            processBlock: function (words, offset) {
                // Shortcuts
                var cipher = this._cipher;
                var blockSize = cipher.blockSize;

                // Remember this block to use with next block
                var thisBlock = words.slice(offset, offset + blockSize);

                // Decrypt and XOR
                cipher.decryptBlock(words, offset);
                xorBlock.call(this, words, offset, blockSize);

                // This block becomes the previous block
                this._prevBlock = thisBlock;
            }
        });

        function xorBlock(words, offset, blockSize) {
            // Shortcut
            var iv = this._iv;

            // Choose mixing block
            if (iv) {
                var block = iv;

                // Remove IV for subsequent blocks
                this._iv = undefined;
            } else {
                var block = this._prevBlock;
            }

            // XOR blocks
            for (var i = 0; i < blockSize; i++) {
                words[offset + i] ^= block[i];
            }
        }

        return CBC;
    }());

    /**
     * Padding namespace.
     */
    var C_pad = C.pad = {};

    /**
     * PKCS #5/7 padding strategy.
     */
    var Pkcs7 = C_pad.Pkcs7 = {
        /**
         * Pads data using the algorithm defined in PKCS #5/7.
         *
         * @param {WordArray} data The data to pad.
         * @param {number} blockSize The multiple that the data should be padded to.
         *
         * @static
         *
         * @example
         *
         *     CryptoJS.pad.Pkcs7.pad(wordArray, 4);
         */
        pad: function (data, blockSize) {
            // Shortcut
            var blockSizeBytes = blockSize * 4;

            // Count padding bytes
            var nPaddingBytes = blockSizeBytes - data.sigBytes % blockSizeBytes;

            // Create padding word
            var paddingWord = (nPaddingBytes << 24) | (nPaddingBytes << 16) | (nPaddingBytes << 8) | nPaddingBytes;

            // Create padding
            var paddingWords = [];
            for (var i = 0; i < nPaddingBytes; i += 4) {
                paddingWords.push(paddingWord);
            }
            var padding = WordArray.create(paddingWords, nPaddingBytes);

            // Add padding
            data.concat(padding);
        },

        /**
         * Unpads data that had been padded using the algorithm defined in PKCS #5/7.
         *
         * @param {WordArray} data The data to unpad.
         *
         * @static
         *
         * @example
         *
         *     CryptoJS.pad.Pkcs7.unpad(wordArray);
         */
        unpad: function (data) {
            // Get number of padding bytes from last byte
            var nPaddingBytes = data.words[(data.sigBytes - 1) >>> 2] & 0xff;

            // Remove padding
            data.sigBytes -= nPaddingBytes;
        }
    };

    /**
     * Abstract base block cipher template.
     *
     * @property {number} blockSize The number of 32-bit words this cipher operates on. Default: 4 (128 bits)
     */
    var BlockCipher = C_lib.BlockCipher = Cipher.extend({
        /**
         * Configuration options.
         *
         * @property {Mode} mode The block mode to use. Default: CBC
         * @property {Padding} padding The padding strategy to use. Default: Pkcs7
         */
        cfg: Cipher.cfg.extend({
            mode: CBC,
            padding: Pkcs7
        }),

        reset: function () {
            // Reset cipher
            Cipher.reset.call(this);

            // Shortcuts
            var cfg = this.cfg;
            var iv = cfg.iv;
            var mode = cfg.mode;

            // Reset block mode
            if (this._xformMode == this._ENC_XFORM_MODE) {
                var modeCreator = mode.createEncryptor;
            } else /* if (this._xformMode == this._DEC_XFORM_MODE) */ {
                var modeCreator = mode.createDecryptor;

                // Keep at least one block in the buffer for unpadding
                this._minBufferSize = 1;
            }
            this._mode = modeCreator.call(mode, this, iv && iv.words);
        },

        _doProcessBlock: function (words, offset) {
            this._mode.processBlock(words, offset);
        },

        _doFinalize: function () {
            // Shortcut
            var padding = this.cfg.padding;

            // Finalize
            if (this._xformMode == this._ENC_XFORM_MODE) {
                // Pad data
                padding.pad(this._data, this.blockSize);

                // Process final blocks
                var finalProcessedBlocks = this._process(!!'flush');
            } else /* if (this._xformMode == this._DEC_XFORM_MODE) */ {
                // Process final blocks
                var finalProcessedBlocks = this._process(!!'flush');

                // Unpad data
                padding.unpad(finalProcessedBlocks);
            }

            return finalProcessedBlocks;
        },

        blockSize: 128/32
    });

    /**
     * A collection of cipher parameters.
     *
     * @property {WordArray} ciphertext The raw ciphertext.
     * @property {WordArray} key The key to this ciphertext.
     * @property {WordArray} iv The IV used in the ciphering operation.
     * @property {WordArray} salt The salt used with a key derivation function.
     * @property {Cipher} algorithm The cipher algorithm.
     * @property {Mode} mode The block mode used in the ciphering operation.
     * @property {Padding} padding The padding scheme used in the ciphering operation.
     * @property {number} blockSize The block size of the cipher.
     * @property {Format} formatter The default formatting strategy to convert this cipher params object to a string.
     */
    var CipherParams = C_lib.CipherParams = Base.extend({
        /**
         * Initializes a newly created cipher params object.
         *
         * @param {Object} cipherParams An object with any of the possible cipher parameters.
         *
         * @example
         *
         *     var cipherParams = CryptoJS.lib.CipherParams.create({
         *         ciphertext: ciphertextWordArray,
         *         key: keyWordArray,
         *         iv: ivWordArray,
         *         salt: saltWordArray,
         *         algorithm: CryptoJS.algo.AES,
         *         mode: CryptoJS.mode.CBC,
         *         padding: CryptoJS.pad.PKCS7,
         *         blockSize: 4,
         *         formatter: CryptoJS.format.OpenSSL
         *     });
         */
        init: function (cipherParams) {
            this.mixIn(cipherParams);
        },

        /**
         * Converts this cipher params object to a string.
         *
         * @param {Format} formatter (Optional) The formatting strategy to use.
         *
         * @return {string} The stringified cipher params.
         *
         * @throws Error If neither the formatter nor the default formatter is set.
         *
         * @example
         *
         *     var string = cipherParams + '';
         *     var string = cipherParams.toString();
         *     var string = cipherParams.toString(CryptoJS.format.OpenSSL);
         */
        toString: function (formatter) {
            return (formatter || this.formatter).stringify(this);
        }
    });

    /**
     * Format namespace.
     */
    var C_format = C.format = {};

    /**
     * OpenSSL formatting strategy.
     */
    var OpenSSLFormatter = C_format.OpenSSL = {
        /**
         * Converts a cipher params object to an OpenSSL-compatible string.
         *
         * @param {CipherParams} cipherParams The cipher params object.
         *
         * @return {string} The OpenSSL-compatible string.
         *
         * @static
         *
         * @example
         *
         *     var openSSLString = CryptoJS.format.OpenSSL.stringify(cipherParams);
         */
        stringify: function (cipherParams) {
            // Shortcuts
            var ciphertext = cipherParams.ciphertext;
            var salt = cipherParams.salt;

            // Format
            if (salt) {
                var wordArray = WordArray.create([0x53616c74, 0x65645f5f]).concat(salt).concat(ciphertext);
            } else {
                var wordArray = ciphertext;
            }

            return wordArray.toString(Base64);
        },

        /**
         * Converts an OpenSSL-compatible string to a cipher params object.
         *
         * @param {string} openSSLStr The OpenSSL-compatible string.
         *
         * @return {CipherParams} The cipher params object.
         *
         * @static
         *
         * @example
         *
         *     var cipherParams = CryptoJS.format.OpenSSL.parse(openSSLString);
         */
        parse: function (openSSLStr) {
            // Parse base64
            var ciphertext = Base64.parse(openSSLStr);

            // Shortcut
            var ciphertextWords = ciphertext.words;

            // Test for salt
            if (ciphertextWords[0] == 0x53616c74 && ciphertextWords[1] == 0x65645f5f) {
                // Extract salt
                var salt = WordArray.create(ciphertextWords.slice(2, 4));

                // Remove salt from ciphertext
                ciphertextWords.splice(0, 4);
                ciphertext.sigBytes -= 16;
            }

            return CipherParams.create({ ciphertext: ciphertext, salt: salt });
        }
    };

    /**
     * A cipher wrapper that returns ciphertext as a serializable cipher params object.
     */
    var SerializableCipher = C_lib.SerializableCipher = Base.extend({
        /**
         * Configuration options.
         *
         * @property {Formatter} format The formatting strategy to convert cipher param objects to and from a string. Default: OpenSSL
         */
        cfg: Base.extend({
            format: OpenSSLFormatter
        }),

        /**
         * Encrypts a message.
         *
         * @param {Cipher} cipher The cipher algorithm to use.
         * @param {WordArray|string} message The message to encrypt.
         * @param {WordArray} key The key.
         * @param {Object} cfg (Optional) The configuration options to use for this operation.
         *
         * @return {CipherParams} A cipher params object.
         *
         * @static
         *
         * @example
         *
         *     var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key);
         *     var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key, { iv: iv });
         *     var ciphertextParams = CryptoJS.lib.SerializableCipher.encrypt(CryptoJS.algo.AES, message, key, { iv: iv, format: CryptoJS.format.OpenSSL });
         */
        encrypt: function (cipher, message, key, cfg) {
            // Apply config defaults
            cfg = this.cfg.extend(cfg);

            // Encrypt
            var encryptor = cipher.createEncryptor(key, cfg);
            var ciphertext = encryptor.finalize(message);

            // Shortcut
            var cipherCfg = encryptor.cfg;

            // Create and return serializable cipher params
            return CipherParams.create({
                ciphertext: ciphertext,
                key: key,
                iv: cipherCfg.iv,
                algorithm: cipher,
                mode: cipherCfg.mode,
                padding: cipherCfg.padding,
                blockSize: cipher.blockSize,
                formatter: cfg.format
            });
        },

        /**
         * Decrypts serialized ciphertext.
         *
         * @param {Cipher} cipher The cipher algorithm to use.
         * @param {CipherParams|string} ciphertext The ciphertext to decrypt.
         * @param {WordArray} key The key.
         * @param {Object} cfg (Optional) The configuration options to use for this operation.
         *
         * @return {WordArray} The plaintext.
         *
         * @static
         *
         * @example
         *
         *     var plaintext = CryptoJS.lib.SerializableCipher.decrypt(CryptoJS.algo.AES, formattedCiphertext, key, { iv: iv, format: CryptoJS.format.OpenSSL });
         *     var plaintext = CryptoJS.lib.SerializableCipher.decrypt(CryptoJS.algo.AES, ciphertextParams, key, { iv: iv, format: CryptoJS.format.OpenSSL });
         */
        decrypt: function (cipher, ciphertext, key, cfg) {
            // Apply config defaults
            cfg = this.cfg.extend(cfg);

            // Convert string to CipherParams
            ciphertext = this._parse(ciphertext, cfg.format);

            // Decrypt
            var plaintext = cipher.createDecryptor(key, cfg).finalize(ciphertext.ciphertext);

            return plaintext;
        },

        /**
         * Converts serialized ciphertext to CipherParams,
         * else assumed CipherParams already and returns ciphertext unchanged.
         *
         * @param {CipherParams|string} ciphertext The ciphertext.
         * @param {Formatter} format The formatting strategy to use to parse serialized ciphertext.
         *
         * @return {CipherParams} The unserialized ciphertext.
         *
         * @static
         *
         * @example
         *
         *     var ciphertextParams = CryptoJS.lib.SerializableCipher._parse(ciphertextStringOrParams, format);
         */
        _parse: function (ciphertext, format) {
            if (typeof ciphertext == 'string') {
                return format.parse(ciphertext, this);
            } else {
                return ciphertext;
            }
        }
    });

    /**
     * Key derivation function namespace.
     */
    var C_kdf = C.kdf = {};

    /**
     * OpenSSL key derivation function.
     */
    var OpenSSLKdf = C_kdf.OpenSSL = {
        /**
         * Derives a key and IV from a password.
         *
         * @param {string} password The password to derive from.
         * @param {number} keySize The size in words of the key to generate.
         * @param {number} ivSize The size in words of the IV to generate.
         * @param {WordArray|string} salt (Optional) A 64-bit salt to use. If omitted, a salt will be generated randomly.
         *
         * @return {CipherParams} A cipher params object with the key, IV, and salt.
         *
         * @static
         *
         * @example
         *
         *     var derivedParams = CryptoJS.kdf.OpenSSL.execute('Password', 256/32, 128/32);
         *     var derivedParams = CryptoJS.kdf.OpenSSL.execute('Password', 256/32, 128/32, 'saltsalt');
         */
        execute: function (password, keySize, ivSize, salt) {
            // Generate random salt
            if (!salt) {
                salt = WordArray.random(64/8);
            }

            // Derive key and IV
            var key = EvpKDF.create({ keySize: keySize + ivSize }).compute(password, salt);

            // Separate key and IV
            var iv = WordArray.create(key.words.slice(keySize), ivSize * 4);
            key.sigBytes = keySize * 4;

            // Return params
            return CipherParams.create({ key: key, iv: iv, salt: salt });
        }
    };

    /**
     * A serializable cipher wrapper that derives the key from a password,
     * and returns ciphertext as a serializable cipher params object.
     */
    var PasswordBasedCipher = C_lib.PasswordBasedCipher = SerializableCipher.extend({
        /**
         * Configuration options.
         *
         * @property {KDF} kdf The key derivation function to use to generate a key and IV from a password. Default: OpenSSL
         */
        cfg: SerializableCipher.cfg.extend({
            kdf: OpenSSLKdf
        }),

        /**
         * Encrypts a message using a password.
         *
         * @param {Cipher} cipher The cipher algorithm to use.
         * @param {WordArray|string} message The message to encrypt.
         * @param {string} password The password.
         * @param {Object} cfg (Optional) The configuration options to use for this operation.
         *
         * @return {CipherParams} A cipher params object.
         *
         * @static
         *
         * @example
         *
         *     var ciphertextParams = CryptoJS.lib.PasswordBasedCipher.encrypt(CryptoJS.algo.AES, message, 'password');
         *     var ciphertextParams = CryptoJS.lib.PasswordBasedCipher.encrypt(CryptoJS.algo.AES, message, 'password', { format: CryptoJS.format.OpenSSL });
         */
        encrypt: function (cipher, message, password, cfg) {
            // Apply config defaults
            cfg = this.cfg.extend(cfg);

            // Derive key and other params
            var derivedParams = cfg.kdf.execute(password, cipher.keySize, cipher.ivSize);

            // Add IV to config
            cfg.iv = derivedParams.iv;

            // Encrypt
            var ciphertext = SerializableCipher.encrypt.call(this, cipher, message, derivedParams.key, cfg);

            // Mix in derived params
            ciphertext.mixIn(derivedParams);

            return ciphertext;
        },

        /**
         * Decrypts serialized ciphertext using a password.
         *
         * @param {Cipher} cipher The cipher algorithm to use.
         * @param {CipherParams|string} ciphertext The ciphertext to decrypt.
         * @param {string} password The password.
         * @param {Object} cfg (Optional) The configuration options to use for this operation.
         *
         * @return {WordArray} The plaintext.
         *
         * @static
         *
         * @example
         *
         *     var plaintext = CryptoJS.lib.PasswordBasedCipher.decrypt(CryptoJS.algo.AES, formattedCiphertext, 'password', { format: CryptoJS.format.OpenSSL });
         *     var plaintext = CryptoJS.lib.PasswordBasedCipher.decrypt(CryptoJS.algo.AES, ciphertextParams, 'password', { format: CryptoJS.format.OpenSSL });
         */
        decrypt: function (cipher, ciphertext, password, cfg) {
            // Apply config defaults
            cfg = this.cfg.extend(cfg);

            // Convert string to CipherParams
            ciphertext = this._parse(ciphertext, cfg.format);

            // Derive key and other params
            var derivedParams = cfg.kdf.execute(password, cipher.keySize, cipher.ivSize, ciphertext.salt);

            // Add IV to config
            cfg.iv = derivedParams.iv;

            // Decrypt
            var plaintext = SerializableCipher.decrypt.call(this, cipher, ciphertext, derivedParams.key, cfg);

            return plaintext;
        }
    });
}());

/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
(function () {
    // Shortcuts
    var C = CryptoJS;
    var C_lib = C.lib;
    var BlockCipher = C_lib.BlockCipher;
    var C_algo = C.algo;

    // Lookup tables
    var SBOX = [];
    var INV_SBOX = [];
    var SUB_MIX_0 = [];
    var SUB_MIX_1 = [];
    var SUB_MIX_2 = [];
    var SUB_MIX_3 = [];
    var INV_SUB_MIX_0 = [];
    var INV_SUB_MIX_1 = [];
    var INV_SUB_MIX_2 = [];
    var INV_SUB_MIX_3 = [];

    // Compute lookup tables
    (function () {
        // Compute double table
        var d = [];
        for (var i = 0; i < 256; i++) {
            if (i < 128) {
                d[i] = i << 1;
            } else {
                d[i] = (i << 1) ^ 0x11b;
            }
        }

        // Walk GF(2^8)
        var x = 0;
        var xi = 0;
        for (var i = 0; i < 256; i++) {
            // Compute sbox
            var sx = xi ^ (xi << 1) ^ (xi << 2) ^ (xi << 3) ^ (xi << 4);
            sx = (sx >>> 8) ^ (sx & 0xff) ^ 0x63;
            SBOX[x] = sx;
            INV_SBOX[sx] = x;

            // Compute multiplication
            var x2 = d[x];
            var x4 = d[x2];
            var x8 = d[x4];

            // Compute sub bytes, mix columns tables
            var t = (d[sx] * 0x101) ^ (sx * 0x1010100);
            SUB_MIX_0[x] = (t << 24) | (t >>> 8);
            SUB_MIX_1[x] = (t << 16) | (t >>> 16);
            SUB_MIX_2[x] = (t << 8)  | (t >>> 24);
            SUB_MIX_3[x] = t;

            // Compute inv sub bytes, inv mix columns tables
            var t = (x8 * 0x1010101) ^ (x4 * 0x10001) ^ (x2 * 0x101) ^ (x * 0x1010100);
            INV_SUB_MIX_0[sx] = (t << 24) | (t >>> 8);
            INV_SUB_MIX_1[sx] = (t << 16) | (t >>> 16);
            INV_SUB_MIX_2[sx] = (t << 8)  | (t >>> 24);
            INV_SUB_MIX_3[sx] = t;

            // Compute next counter
            if (!x) {
                x = xi = 1;
            } else {
                x = x2 ^ d[d[d[x8 ^ x2]]];
                xi ^= d[d[xi]];
            }
        }
    }());

    // Precomputed Rcon lookup
    var RCON = [0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36];

    /**
     * AES block cipher algorithm.
     */
    var AES = C_algo.AES = BlockCipher.extend({
        _doReset: function () {
            // Shortcuts
            var key = this._key;
            var keyWords = key.words;
            var keySize = key.sigBytes / 4;

            // Compute number of rounds
            var nRounds = this._nRounds = keySize + 6

            // Compute number of key schedule rows
            var ksRows = (nRounds + 1) * 4;

            // Compute key schedule
            var keySchedule = this._keySchedule = [];
            for (var ksRow = 0; ksRow < ksRows; ksRow++) {
                if (ksRow < keySize) {
                    keySchedule[ksRow] = keyWords[ksRow];
                } else {
                    var t = keySchedule[ksRow - 1];

                    if (!(ksRow % keySize)) {
                        // Rot word
                        t = (t << 8) | (t >>> 24);

                        // Sub word
                        t = (SBOX[t >>> 24] << 24) | (SBOX[(t >>> 16) & 0xff] << 16) | (SBOX[(t >>> 8) & 0xff] << 8) | SBOX[t & 0xff];

                        // Mix Rcon
                        t ^= RCON[(ksRow / keySize) | 0] << 24;
                    } else if (keySize > 6 && ksRow % keySize == 4) {
                        // Sub word
                        t = (SBOX[t >>> 24] << 24) | (SBOX[(t >>> 16) & 0xff] << 16) | (SBOX[(t >>> 8) & 0xff] << 8) | SBOX[t & 0xff];
                    }

                    keySchedule[ksRow] = keySchedule[ksRow - keySize] ^ t;
                }
            }

            // Compute inv key schedule
            var invKeySchedule = this._invKeySchedule = [];
            for (var invKsRow = 0; invKsRow < ksRows; invKsRow++) {
                var ksRow = ksRows - invKsRow;

                if (invKsRow % 4) {
                    var t = keySchedule[ksRow];
                } else {
                    var t = keySchedule[ksRow - 4];
                }

                if (invKsRow < 4 || ksRow <= 4) {
                    invKeySchedule[invKsRow] = t;
                } else {
                    invKeySchedule[invKsRow] = INV_SUB_MIX_0[SBOX[t >>> 24]] ^ INV_SUB_MIX_1[SBOX[(t >>> 16) & 0xff]] ^
                                               INV_SUB_MIX_2[SBOX[(t >>> 8) & 0xff]] ^ INV_SUB_MIX_3[SBOX[t & 0xff]];
                }
            }
        },

        encryptBlock: function (M, offset) {
            this._doCryptBlock(M, offset, this._keySchedule, SUB_MIX_0, SUB_MIX_1, SUB_MIX_2, SUB_MIX_3, SBOX);
        },

        decryptBlock: function (M, offset) {
            // Swap 2nd and 4th rows
            var t = M[offset + 1];
            M[offset + 1] = M[offset + 3];
            M[offset + 3] = t;

            this._doCryptBlock(M, offset, this._invKeySchedule, INV_SUB_MIX_0, INV_SUB_MIX_1, INV_SUB_MIX_2, INV_SUB_MIX_3, INV_SBOX);

            // Inv swap 2nd and 4th rows
            var t = M[offset + 1];
            M[offset + 1] = M[offset + 3];
            M[offset + 3] = t;
        },

        _doCryptBlock: function (M, offset, keySchedule, SUB_MIX_0, SUB_MIX_1, SUB_MIX_2, SUB_MIX_3, SBOX) {
            // Shortcut
            var nRounds = this._nRounds;

            // Get input, add round key
            var s0 = M[offset]     ^ keySchedule[0];
            var s1 = M[offset + 1] ^ keySchedule[1];
            var s2 = M[offset + 2] ^ keySchedule[2];
            var s3 = M[offset + 3] ^ keySchedule[3];

            // Key schedule row counter
            var ksRow = 4;

            // Rounds
            for (var round = 1; round < nRounds; round++) {
                // Shift rows, sub bytes, mix columns, add round key
                var t0 = SUB_MIX_0[s0 >>> 24] ^ SUB_MIX_1[(s1 >>> 16) & 0xff] ^ SUB_MIX_2[(s2 >>> 8) & 0xff] ^ SUB_MIX_3[s3 & 0xff] ^ keySchedule[ksRow++];
                var t1 = SUB_MIX_0[s1 >>> 24] ^ SUB_MIX_1[(s2 >>> 16) & 0xff] ^ SUB_MIX_2[(s3 >>> 8) & 0xff] ^ SUB_MIX_3[s0 & 0xff] ^ keySchedule[ksRow++];
                var t2 = SUB_MIX_0[s2 >>> 24] ^ SUB_MIX_1[(s3 >>> 16) & 0xff] ^ SUB_MIX_2[(s0 >>> 8) & 0xff] ^ SUB_MIX_3[s1 & 0xff] ^ keySchedule[ksRow++];
                var t3 = SUB_MIX_0[s3 >>> 24] ^ SUB_MIX_1[(s0 >>> 16) & 0xff] ^ SUB_MIX_2[(s1 >>> 8) & 0xff] ^ SUB_MIX_3[s2 & 0xff] ^ keySchedule[ksRow++];

                // Update state
                s0 = t0;
                s1 = t1;
                s2 = t2;
                s3 = t3;
            }

            // Shift rows, sub bytes, add round key
            var t0 = ((SBOX[s0 >>> 24] << 24) | (SBOX[(s1 >>> 16) & 0xff] << 16) | (SBOX[(s2 >>> 8) & 0xff] << 8) | SBOX[s3 & 0xff]) ^ keySchedule[ksRow++];
            var t1 = ((SBOX[s1 >>> 24] << 24) | (SBOX[(s2 >>> 16) & 0xff] << 16) | (SBOX[(s3 >>> 8) & 0xff] << 8) | SBOX[s0 & 0xff]) ^ keySchedule[ksRow++];
            var t2 = ((SBOX[s2 >>> 24] << 24) | (SBOX[(s3 >>> 16) & 0xff] << 16) | (SBOX[(s0 >>> 8) & 0xff] << 8) | SBOX[s1 & 0xff]) ^ keySchedule[ksRow++];
            var t3 = ((SBOX[s3 >>> 24] << 24) | (SBOX[(s0 >>> 16) & 0xff] << 16) | (SBOX[(s1 >>> 8) & 0xff] << 8) | SBOX[s2 & 0xff]) ^ keySchedule[ksRow++];

            // Set output
            M[offset]     = t0;
            M[offset + 1] = t1;
            M[offset + 2] = t2;
            M[offset + 3] = t3;
        },

        keySize: 256/32
    });

    /**
     * Shortcut functions to the cipher's object interface.
     *
     * @example
     *
     *     var ciphertext = CryptoJS.AES.encrypt(message, key, cfg);
     *     var plaintext  = CryptoJS.AES.decrypt(ciphertext, key, cfg);
     */
    C.AES = BlockCipher._createHelper(AES);
}());

/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
(function () {
    // Shortcuts
    var C = CryptoJS;
    var C_lib = C.lib;
    var WordArray = C_lib.WordArray;
    var Hasher = C_lib.Hasher;
    var C_algo = C.algo;

    // Reusable object
    var W = [];

    /**
     * SHA-1 hash algorithm.
     */
    var SHA1 = C_algo.SHA1 = Hasher.extend({
        _doReset: function () {
            this._hash = new WordArray.init([
                0x67452301, 0xefcdab89,
                0x98badcfe, 0x10325476,
                0xc3d2e1f0
            ]);
        },

        _doProcessBlock: function (M, offset) {
            // Shortcut
            var H = this._hash.words;

            // Working variables
            var a = H[0];
            var b = H[1];
            var c = H[2];
            var d = H[3];
            var e = H[4];

            // Computation
            for (var i = 0; i < 80; i++) {
                if (i < 16) {
                    W[i] = M[offset + i] | 0;
                } else {
                    var n = W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16];
                    W[i] = (n << 1) | (n >>> 31);
                }

                var t = ((a << 5) | (a >>> 27)) + e + W[i];
                if (i < 20) {
                    t += ((b & c) | (~b & d)) + 0x5a827999;
                } else if (i < 40) {
                    t += (b ^ c ^ d) + 0x6ed9eba1;
                } else if (i < 60) {
                    t += ((b & c) | (b & d) | (c & d)) - 0x70e44324;
                } else /* if (i < 80) */ {
                    t += (b ^ c ^ d) - 0x359d3e2a;
                }

                e = d;
                d = c;
                c = (b << 30) | (b >>> 2);
                b = a;
                a = t;
            }

            // Intermediate hash value
            H[0] = (H[0] + a) | 0;
            H[1] = (H[1] + b) | 0;
            H[2] = (H[2] + c) | 0;
            H[3] = (H[3] + d) | 0;
            H[4] = (H[4] + e) | 0;
        },

        _doFinalize: function () {
            // Shortcuts
            var data = this._data;
            var dataWords = data.words;

            var nBitsTotal = this._nDataBytes * 8;
            var nBitsLeft = data.sigBytes * 8;

            // Add padding
            dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
            dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = Math.floor(nBitsTotal / 0x100000000);
            dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = nBitsTotal;
            data.sigBytes = dataWords.length * 4;

            // Hash final blocks
            this._process();

            // Return final computed hash
            return this._hash;
        },

        clone: function () {
            var clone = Hasher.clone.call(this);
            clone._hash = this._hash.clone();

            return clone;
        }
    });

    /**
     * Shortcut function to the hasher's object interface.
     *
     * @param {WordArray|string} message The message to hash.
     *
     * @return {WordArray} The hash.
     *
     * @static
     *
     * @example
     *
     *     var hash = CryptoJS.SHA1('message');
     *     var hash = CryptoJS.SHA1(wordArray);
     */
    C.SHA1 = Hasher._createHelper(SHA1);

    /**
     * Shortcut function to the HMAC's object interface.
     *
     * @param {WordArray|string} message The message to hash.
     * @param {WordArray|string} key The secret key.
     *
     * @return {WordArray} The HMAC.
     *
     * @static
     *
     * @example
     *
     *     var hmac = CryptoJS.HmacSHA1(message, key);
     */
    C.HmacSHA1 = Hasher._createHmacHelper(SHA1);
}());

/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
(function (Math) {
    // Shortcuts
    var C = CryptoJS;
    var C_lib = C.lib;
    var WordArray = C_lib.WordArray;
    var Hasher = C_lib.Hasher;
    var C_algo = C.algo;

    // Initialization and round constants tables
    var H = [];
    var K = [];

    // Compute constants
    (function () {
        function isPrime(n) {
            var sqrtN = Math.sqrt(n);
            for (var factor = 2; factor <= sqrtN; factor++) {
                if (!(n % factor)) {
                    return false;
                }
            }

            return true;
        }

        function getFractionalBits(n) {
            return ((n - (n | 0)) * 0x100000000) | 0;
        }

        var n = 2;
        var nPrime = 0;
        while (nPrime < 64) {
            if (isPrime(n)) {
                if (nPrime < 8) {
                    H[nPrime] = getFractionalBits(Math.pow(n, 1 / 2));
                }
                K[nPrime] = getFractionalBits(Math.pow(n, 1 / 3));

                nPrime++;
            }

            n++;
        }
    }());

    // Reusable object
    var W = [];

    /**
     * SHA-256 hash algorithm.
     */
    var SHA256 = C_algo.SHA256 = Hasher.extend({
        _doReset: function () {
            this._hash = new WordArray.init(H.slice(0));
        },

        _doProcessBlock: function (M, offset) {
            // Shortcut
            var H = this._hash.words;

            // Working variables
            var a = H[0];
            var b = H[1];
            var c = H[2];
            var d = H[3];
            var e = H[4];
            var f = H[5];
            var g = H[6];
            var h = H[7];

            // Computation
            for (var i = 0; i < 64; i++) {
                if (i < 16) {
                    W[i] = M[offset + i] | 0;
                } else {
                    var gamma0x = W[i - 15];
                    var gamma0  = ((gamma0x << 25) | (gamma0x >>> 7))  ^
                                  ((gamma0x << 14) | (gamma0x >>> 18)) ^
                                   (gamma0x >>> 3);

                    var gamma1x = W[i - 2];
                    var gamma1  = ((gamma1x << 15) | (gamma1x >>> 17)) ^
                                  ((gamma1x << 13) | (gamma1x >>> 19)) ^
                                   (gamma1x >>> 10);

                    W[i] = gamma0 + W[i - 7] + gamma1 + W[i - 16];
                }

                var ch  = (e & f) ^ (~e & g);
                var maj = (a & b) ^ (a & c) ^ (b & c);

                var sigma0 = ((a << 30) | (a >>> 2)) ^ ((a << 19) | (a >>> 13)) ^ ((a << 10) | (a >>> 22));
                var sigma1 = ((e << 26) | (e >>> 6)) ^ ((e << 21) | (e >>> 11)) ^ ((e << 7)  | (e >>> 25));

                var t1 = h + sigma1 + ch + K[i] + W[i];
                var t2 = sigma0 + maj;

                h = g;
                g = f;
                f = e;
                e = (d + t1) | 0;
                d = c;
                c = b;
                b = a;
                a = (t1 + t2) | 0;
            }

            // Intermediate hash value
            H[0] = (H[0] + a) | 0;
            H[1] = (H[1] + b) | 0;
            H[2] = (H[2] + c) | 0;
            H[3] = (H[3] + d) | 0;
            H[4] = (H[4] + e) | 0;
            H[5] = (H[5] + f) | 0;
            H[6] = (H[6] + g) | 0;
            H[7] = (H[7] + h) | 0;
        },

        _doFinalize: function () {
            // Shortcuts
            var data = this._data;
            var dataWords = data.words;

            var nBitsTotal = this._nDataBytes * 8;
            var nBitsLeft = data.sigBytes * 8;

            // Add padding
            dataWords[nBitsLeft >>> 5] |= 0x80 << (24 - nBitsLeft % 32);
            dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 14] = Math.floor(nBitsTotal / 0x100000000);
            dataWords[(((nBitsLeft + 64) >>> 9) << 4) + 15] = nBitsTotal;
            data.sigBytes = dataWords.length * 4;

            // Hash final blocks
            this._process();

            // Return final computed hash
            return this._hash;
        },

        clone: function () {
            var clone = Hasher.clone.call(this);
            clone._hash = this._hash.clone();

            return clone;
        }
    });

    /**
     * Shortcut function to the hasher's object interface.
     *
     * @param {WordArray|string} message The message to hash.
     *
     * @return {WordArray} The hash.
     *
     * @static
     *
     * @example
     *
     *     var hash = CryptoJS.SHA256('message');
     *     var hash = CryptoJS.SHA256(wordArray);
     */
    C.SHA256 = Hasher._createHelper(SHA256);

    /**
     * Shortcut function to the HMAC's object interface.
     *
     * @param {WordArray|string} message The message to hash.
     * @param {WordArray|string} key The secret key.
     *
     * @return {WordArray} The HMAC.
     *
     * @static
     *
     * @example
     *
     *     var hmac = CryptoJS.HmacSHA256(message, key);
     */
    C.HmacSHA256 = Hasher._createHmacHelper(SHA256);
}(Math));

/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
(function () {
    // Shortcuts
    var C = CryptoJS;
    var C_lib = C.lib;
    var Base = C_lib.Base;
    var C_enc = C.enc;
    var Utf8 = C_enc.Utf8;
    var C_algo = C.algo;

    /**
     * HMAC algorithm.
     */
    var HMAC = C_algo.HMAC = Base.extend({
        /**
         * Initializes a newly created HMAC.
         *
         * @param {Hasher} hasher The hash algorithm to use.
         * @param {WordArray|string} key The secret key.
         *
         * @example
         *
         *     var hmacHasher = CryptoJS.algo.HMAC.create(CryptoJS.algo.SHA256, key);
         */
        init: function (hasher, key) {
            // Init hasher
            hasher = this._hasher = new hasher.init();

            // Convert string to WordArray, else assume WordArray already
            if (typeof key == 'string') {
                key = Utf8.parse(key);
            }

            // Shortcuts
            var hasherBlockSize = hasher.blockSize;
            var hasherBlockSizeBytes = hasherBlockSize * 4;

            // Allow arbitrary length keys
            if (key.sigBytes > hasherBlockSizeBytes) {
                key = hasher.finalize(key);
            }

            // Clamp excess bits
            key.clamp();

            // Clone key for inner and outer pads
            var oKey = this._oKey = key.clone();
            var iKey = this._iKey = key.clone();

            // Shortcuts
            var oKeyWords = oKey.words;
            var iKeyWords = iKey.words;

            // XOR keys with pad constants
            for (var i = 0; i < hasherBlockSize; i++) {
                oKeyWords[i] ^= 0x5c5c5c5c;
                iKeyWords[i] ^= 0x36363636;
            }
            oKey.sigBytes = iKey.sigBytes = hasherBlockSizeBytes;

            // Set initial values
            this.reset();
        },

        /**
         * Resets this HMAC to its initial state.
         *
         * @example
         *
         *     hmacHasher.reset();
         */
        reset: function () {
            // Shortcut
            var hasher = this._hasher;

            // Reset
            hasher.reset();
            hasher.update(this._iKey);
        },

        /**
         * Updates this HMAC with a message.
         *
         * @param {WordArray|string} messageUpdate The message to append.
         *
         * @return {HMAC} This HMAC instance.
         *
         * @example
         *
         *     hmacHasher.update('message');
         *     hmacHasher.update(wordArray);
         */
        update: function (messageUpdate) {
            this._hasher.update(messageUpdate);

            // Chainable
            return this;
        },

        /**
         * Finalizes the HMAC computation.
         * Note that the finalize operation is effectively a destructive, read-once operation.
         *
         * @param {WordArray|string} messageUpdate (Optional) A final message update.
         *
         * @return {WordArray} The HMAC.
         *
         * @example
         *
         *     var hmac = hmacHasher.finalize();
         *     var hmac = hmacHasher.finalize('message');
         *     var hmac = hmacHasher.finalize(wordArray);
         */
        finalize: function (messageUpdate) {
            // Shortcut
            var hasher = this._hasher;

            // Compute HMAC
            var innerHash = hasher.finalize(messageUpdate);
            hasher.reset();
            var hmac = hasher.finalize(this._oKey.clone().concat(innerHash));

            return hmac;
        }
    });
}());

/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
/**
 * A noop padding strategy.
 */
CryptoJS.pad.NoPadding = {
    pad: function () {
    },

    unpad: function () {
    }
};

/*
CryptoJS v3.1.2
code.google.com/p/crypto-js
(c) 2009-2013 by Jeff Mott. All rights reserved.
code.google.com/p/crypto-js/wiki/License
*/
/**
 * Counter block mode.
 */
CryptoJS.mode.CTR = (function () {
    var CTR = CryptoJS.lib.BlockCipherMode.extend();

    var Encryptor = CTR.Encryptor = CTR.extend({
        processBlock: function (words, offset) {
            // Shortcuts
            var cipher = this._cipher
            var blockSize = cipher.blockSize;
            var iv = this._iv;
            var counter = this._counter;

            // Generate keystream
            if (iv) {
                counter = this._counter = iv.slice(0);

                // Remove IV for subsequent blocks
                this._iv = undefined;
            }
            var keystream = counter.slice(0);
            cipher.encryptBlock(keystream, 0);

            // Increment counter
            counter[blockSize - 1] = (counter[blockSize - 1] + 1) | 0

            // Encrypt
            for (var i = 0; i < blockSize; i++) {
                words[offset + i] ^= keystream[i];
            }
        }
    });

    CTR.Decryptor = Encryptor;

    return CTR;
}());


  return CryptoJS

}));

/*!
 * Source: lib/otr/build/dep/eventemitter.js, license: MIT, url: http://git.io/ee
 */
/*!
 * EventEmitter v4.2.3 - git.io/ee
 * Oliver Caldwell
 * MIT license
 * @preserve
 */

(function () {
	'use strict';

	/**
	 * Class for managing events.
	 * Can be extended to provide event functionality in other classes.
	 *
	 * @class EventEmitter Manages event registering and emitting.
	 */
	function EventEmitter() {}

	// Shortcuts to improve speed and size

	// Easy access to the prototype
	var proto = EventEmitter.prototype;

	/**
	 * Finds the index of the listener for the event in it's storage array.
	 *
	 * @param {Function[]} listeners Array of listeners to search through.
	 * @param {Function} listener Method to look for.
	 * @return {Number} Index of the specified listener, -1 if not found
	 * @api private
	 */
	function indexOfListener(listeners, listener) {
		var i = listeners.length;
		while (i--) {
			if (listeners[i].listener === listener) {
				return i;
			}
		}

		return -1;
	}

	/**
	 * Alias a method while keeping the context correct, to allow for overwriting of target method.
	 *
	 * @param {String} name The name of the target method.
	 * @return {Function} The aliased method
	 * @api private
	 */
	function alias(name) {
		return function aliasClosure() {
			return this[name].apply(this, arguments);
		};
	}

	/**
	 * Returns the listener array for the specified event.
	 * Will initialise the event object and listener arrays if required.
	 * Will return an object if you use a regex search. The object contains keys for each matched event. So /ba[rz]/ might return an object containing bar and baz. But only if you have either defined them with defineEvent or added some listeners to them.
	 * Each property in the object response is an array of listener functions.
	 *
	 * @param {String|RegExp} evt Name of the event to return the listeners from.
	 * @return {Function[]|Object} All listener functions for the event.
	 */
	proto.getListeners = function getListeners(evt) {
		var events = this._getEvents();
		var response;
		var key;

		// Return a concatenated array of all matching events if
		// the selector is a regular expression.
		if (typeof evt === 'object') {
			response = {};
			for (key in events) {
				if (events.hasOwnProperty(key) && evt.test(key)) {
					response[key] = events[key];
				}
			}
		}
		else {
			response = events[evt] || (events[evt] = []);
		}

		return response;
	};

	/**
	 * Takes a list of listener objects and flattens it into a list of listener functions.
	 *
	 * @param {Object[]} listeners Raw listener objects.
	 * @return {Function[]} Just the listener functions.
	 */
	proto.flattenListeners = function flattenListeners(listeners) {
		var flatListeners = [];
		var i;

		for (i = 0; i < listeners.length; i += 1) {
			flatListeners.push(listeners[i].listener);
		}

		return flatListeners;
	};

	/**
	 * Fetches the requested listeners via getListeners but will always return the results inside an object. This is mainly for internal use but others may find it useful.
	 *
	 * @param {String|RegExp} evt Name of the event to return the listeners from.
	 * @return {Object} All listener functions for an event in an object.
	 */
	proto.getListenersAsObject = function getListenersAsObject(evt) {
		var listeners = this.getListeners(evt);
		var response;

		if (listeners instanceof Array) {
			response = {};
			response[evt] = listeners;
		}

		return response || listeners;
	};

	/**
	 * Adds a listener function to the specified event.
	 * The listener will not be added if it is a duplicate.
	 * If the listener returns true then it will be removed after it is called.
	 * If you pass a regular expression as the event name then the listener will be added to all events that match it.
	 *
	 * @param {String|RegExp} evt Name of the event to attach the listener to.
	 * @param {Function} listener Method to be called when the event is emitted. If the function returns true then it will be removed after calling.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.addListener = function addListener(evt, listener) {
		var listeners = this.getListenersAsObject(evt);
		var listenerIsWrapped = typeof listener === 'object';
		var key;

		for (key in listeners) {
			if (listeners.hasOwnProperty(key) && indexOfListener(listeners[key], listener) === -1) {
				listeners[key].push(listenerIsWrapped ? listener : {
					listener: listener,
					once: false
				});
			}
		}

		return this;
	};

	/**
	 * Alias of addListener
	 */
	proto.on = alias('addListener');

	/**
	 * Semi-alias of addListener. It will add a listener that will be
	 * automatically removed after it's first execution.
	 *
	 * @param {String|RegExp} evt Name of the event to attach the listener to.
	 * @param {Function} listener Method to be called when the event is emitted. If the function returns true then it will be removed after calling.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.addOnceListener = function addOnceListener(evt, listener) {
		return this.addListener(evt, {
			listener: listener,
			once: true
		});
	};

	/**
	 * Alias of addOnceListener.
	 */
	proto.once = alias('addOnceListener');

	/**
	 * Defines an event name. This is required if you want to use a regex to add a listener to multiple events at once. If you don't do this then how do you expect it to know what event to add to? Should it just add to every possible match for a regex? No. That is scary and bad.
	 * You need to tell it what event names should be matched by a regex.
	 *
	 * @param {String} evt Name of the event to create.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.defineEvent = function defineEvent(evt) {
		this.getListeners(evt);
		return this;
	};

	/**
	 * Uses defineEvent to define multiple events.
	 *
	 * @param {String[]} evts An array of event names to define.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.defineEvents = function defineEvents(evts) {
		for (var i = 0; i < evts.length; i += 1) {
			this.defineEvent(evts[i]);
		}
		return this;
	};

	/**
	 * Removes a listener function from the specified event.
	 * When passed a regular expression as the event name, it will remove the listener from all events that match it.
	 *
	 * @param {String|RegExp} evt Name of the event to remove the listener from.
	 * @param {Function} listener Method to remove from the event.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.removeListener = function removeListener(evt, listener) {
		var listeners = this.getListenersAsObject(evt);
		var index;
		var key;

		for (key in listeners) {
			if (listeners.hasOwnProperty(key)) {
				index = indexOfListener(listeners[key], listener);

				if (index !== -1) {
					listeners[key].splice(index, 1);
				}
			}
		}

		return this;
	};

	/**
	 * Alias of removeListener
	 */
	proto.off = alias('removeListener');

	/**
	 * Adds listeners in bulk using the manipulateListeners method.
	 * If you pass an object as the second argument you can add to multiple events at once. The object should contain key value pairs of events and listeners or listener arrays. You can also pass it an event name and an array of listeners to be added.
	 * You can also pass it a regular expression to add the array of listeners to all events that match it.
	 * Yeah, this function does quite a bit. That's probably a bad thing.
	 *
	 * @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to add to multiple events at once.
	 * @param {Function[]} [listeners] An optional array of listener functions to add.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.addListeners = function addListeners(evt, listeners) {
		// Pass through to manipulateListeners
		return this.manipulateListeners(false, evt, listeners);
	};

	/**
	 * Removes listeners in bulk using the manipulateListeners method.
	 * If you pass an object as the second argument you can remove from multiple events at once. The object should contain key value pairs of events and listeners or listener arrays.
	 * You can also pass it an event name and an array of listeners to be removed.
	 * You can also pass it a regular expression to remove the listeners from all events that match it.
	 *
	 * @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to remove from multiple events at once.
	 * @param {Function[]} [listeners] An optional array of listener functions to remove.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.removeListeners = function removeListeners(evt, listeners) {
		// Pass through to manipulateListeners
		return this.manipulateListeners(true, evt, listeners);
	};

	/**
	 * Edits listeners in bulk. The addListeners and removeListeners methods both use this to do their job. You should really use those instead, this is a little lower level.
	 * The first argument will determine if the listeners are removed (true) or added (false).
	 * If you pass an object as the second argument you can add/remove from multiple events at once. The object should contain key value pairs of events and listeners or listener arrays.
	 * You can also pass it an event name and an array of listeners to be added/removed.
	 * You can also pass it a regular expression to manipulate the listeners of all events that match it.
	 *
	 * @param {Boolean} remove True if you want to remove listeners, false if you want to add.
	 * @param {String|Object|RegExp} evt An event name if you will pass an array of listeners next. An object if you wish to add/remove from multiple events at once.
	 * @param {Function[]} [listeners] An optional array of listener functions to add/remove.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.manipulateListeners = function manipulateListeners(remove, evt, listeners) {
		var i;
		var value;
		var single = remove ? this.removeListener : this.addListener;
		var multiple = remove ? this.removeListeners : this.addListeners;

		// If evt is an object then pass each of it's properties to this method
		if (typeof evt === 'object' && !(evt instanceof RegExp)) {
			for (i in evt) {
				if (evt.hasOwnProperty(i) && (value = evt[i])) {
					// Pass the single listener straight through to the singular method
					if (typeof value === 'function') {
						single.call(this, i, value);
					}
					else {
						// Otherwise pass back to the multiple function
						multiple.call(this, i, value);
					}
				}
			}
		}
		else {
			// So evt must be a string
			// And listeners must be an array of listeners
			// Loop over it and pass each one to the multiple method
			i = listeners.length;
			while (i--) {
				single.call(this, evt, listeners[i]);
			}
		}

		return this;
	};

	/**
	 * Removes all listeners from a specified event.
	 * If you do not specify an event then all listeners will be removed.
	 * That means every event will be emptied.
	 * You can also pass a regex to remove all events that match it.
	 *
	 * @param {String|RegExp} [evt] Optional name of the event to remove all listeners for. Will remove from every event if not passed.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.removeEvent = function removeEvent(evt) {
		var type = typeof evt;
		var events = this._getEvents();
		var key;

		// Remove different things depending on the state of evt
		if (type === 'string') {
			// Remove all listeners for the specified event
			delete events[evt];
		}
		else if (type === 'object') {
			// Remove all events matching the regex.
			for (key in events) {
				if (events.hasOwnProperty(key) && evt.test(key)) {
					delete events[key];
				}
			}
		}
		else {
			// Remove all listeners in all events
			delete this._events;
		}

		return this;
	};

	/**
	 * Emits an event of your choice.
	 * When emitted, every listener attached to that event will be executed.
	 * If you pass the optional argument array then those arguments will be passed to every listener upon execution.
	 * Because it uses `apply`, your array of arguments will be passed as if you wrote them out separately.
	 * So they will not arrive within the array on the other side, they will be separate.
	 * You can also pass a regular expression to emit to all events that match it.
	 *
	 * @param {String|RegExp} evt Name of the event to emit and execute listeners for.
	 * @param {Array} [args] Optional array of arguments to be passed to each listener.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.emitEvent = function emitEvent(evt, args) {
		var listeners = this.getListenersAsObject(evt);
		var listener;
		var i;
		var key;
		var response;

		for (key in listeners) {
			if (listeners.hasOwnProperty(key)) {
				i = listeners[key].length;

				while (i--) {
					// If the listener returns true then it shall be removed from the event
					// The function is executed either with a basic call or an apply if there is an args array
					listener = listeners[key][i];

					if (listener.once === true) {
						this.removeListener(evt, listener.listener);
					}

					response = listener.listener.apply(this, args || []);

					if (response === this._getOnceReturnValue()) {
						this.removeListener(evt, listener.listener);
					}
				}
			}
		}

		return this;
	};

	/**
	 * Alias of emitEvent
	 */
	proto.trigger = alias('emitEvent');

	/**
	 * Subtly different from emitEvent in that it will pass its arguments on to the listeners, as opposed to taking a single array of arguments to pass on.
	 * As with emitEvent, you can pass a regex in place of the event name to emit to all events that match it.
	 *
	 * @param {String|RegExp} evt Name of the event to emit and execute listeners for.
	 * @param {...*} Optional additional arguments to be passed to each listener.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.emit = function emit(evt) {
		var args = Array.prototype.slice.call(arguments, 1);
		return this.emitEvent(evt, args);
	};

	/**
	 * Sets the current value to check against when executing listeners. If a
	 * listeners return value matches the one set here then it will be removed
	 * after execution. This value defaults to true.
	 *
	 * @param {*} value The new value to check for when executing listeners.
	 * @return {Object} Current instance of EventEmitter for chaining.
	 */
	proto.setOnceReturnValue = function setOnceReturnValue(value) {
		this._onceReturnValue = value;
		return this;
	};

	/**
	 * Fetches the current value to check against when executing listeners. If
	 * the listeners return value matches this one then it should be removed
	 * automatically. It will return true by default.
	 *
	 * @return {*|Boolean} The current value to check for or the default, true.
	 * @api private
	 */
	proto._getOnceReturnValue = function _getOnceReturnValue() {
		if (this.hasOwnProperty('_onceReturnValue')) {
			return this._onceReturnValue;
		}
		else {
			return true;
		}
	};

	/**
	 * Fetches the events object and creates one if required.
	 *
	 * @return {Object} The events storage object.
	 * @api private
	 */
	proto._getEvents = function _getEvents() {
		return this._events || (this._events = {});
	};

	// Expose the class either via AMD, CommonJS or the global object
	if (typeof define === 'function' && define.amd) {
		define(function () {
			return EventEmitter;
		});
	}
	else if (typeof module === 'object' && module.exports){
		module.exports = EventEmitter;
	}
	else {
		this.EventEmitter = EventEmitter;
	}
}.call(this));


/*!
 * Source: lib/otr/build/otr.js, license: MPL v2.0, url: https://arlolra.github.io/otr/
 */
/*!

  otr.js v0.2.15 - 2015-05-04
  (c) 2015 - Arlo Breault <arlolra@gmail.com>
  Freely distributed under the MPL v2.0 license.

  This file is concatenated for the browser.
  Please see: https://github.com/arlolra/otr

*/

;(function (root, factory) {

  if (typeof define === 'function' && define.amd) {
    define([
        "bigint"
      , "crypto"
      , "eventemitter"
    ], function (BigInt, CryptoJS, EventEmitter) {
      var root = {
          BigInt: BigInt
        , CryptoJS: CryptoJS
        , EventEmitter: EventEmitter
        , OTR: {}
        , DSA: {}
      }
      return factory.call(root)
    })
  } else {
    root.OTR = {}
    root.DSA = {}
    if (typeof root.BigInt !== 'undefined') {
       factory.call(root)
    }
  }

}(this, function () {

;(function () {
  "use strict";

  var root = this

  var CONST = {

    // diffie-heilman
      N : 'FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB9ED529077096966D670C354E4ABC9804F1746C08CA237327FFFFFFFFFFFFFFFF'
    , G : '2'

    // otr message states
    , MSGSTATE_PLAINTEXT : 0
    , MSGSTATE_ENCRYPTED : 1
    , MSGSTATE_FINISHED  : 2

    // otr auth states
    , AUTHSTATE_NONE               : 0
    , AUTHSTATE_AWAITING_DHKEY     : 1
    , AUTHSTATE_AWAITING_REVEALSIG : 2
    , AUTHSTATE_AWAITING_SIG       : 3

    // whitespace tags
    , WHITESPACE_TAG    : '\x20\x09\x20\x20\x09\x09\x09\x09\x20\x09\x20\x09\x20\x09\x20\x20'
    , WHITESPACE_TAG_V2 : '\x20\x20\x09\x09\x20\x20\x09\x20'
    , WHITESPACE_TAG_V3 : '\x20\x20\x09\x09\x20\x20\x09\x09'

    // otr tags
    , OTR_TAG       : '?OTR'
    , OTR_VERSION_1 : '\x00\x01'
    , OTR_VERSION_2 : '\x00\x02'
    , OTR_VERSION_3 : '\x00\x03'

    // smp machine states
    , SMPSTATE_EXPECT0 : 0
    , SMPSTATE_EXPECT1 : 1
    , SMPSTATE_EXPECT2 : 2
    , SMPSTATE_EXPECT3 : 3
    , SMPSTATE_EXPECT4 : 4

    // unstandard status codes
    , STATUS_SEND_QUERY  : 0
    , STATUS_AKE_INIT    : 1
    , STATUS_AKE_SUCCESS : 2
    , STATUS_END_OTR     : 3

  }

  if (typeof module !== 'undefined' && module.exports) {
    module.exports = CONST
  } else {
    root.OTR.CONST = CONST
  }

}).call(this)
;(function () {
  "use strict";

  var root = this

  var HLP = {}, CryptoJS, BigInt
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = HLP = {}
    CryptoJS = require('../vendor/crypto.js')
    BigInt = require('../vendor/bigint.js')
  } else {
    if (root.OTR) root.OTR.HLP = HLP
    if (root.DSA) root.DSA.HLP = HLP
    CryptoJS = root.CryptoJS
    BigInt = root.BigInt
  }

  // data types (byte lengths)
  var DTS = {
      BYTE  : 1
    , SHORT : 2
    , INT   : 4
    , CTR   : 8
    , MAC   : 20
    , SIG   : 40
  }

  // otr message wrapper begin and end
  var WRAPPER_BEGIN = "?OTR"
    , WRAPPER_END   = "."

  var TWO = BigInt.str2bigInt('2', 10)

  HLP.debug = function (msg) {
    // used as HLP.debug.call(ctx, msg)
    if ( this.debug &&
         typeof this.debug !== 'function' &&
         typeof console !== 'undefined'
    ) console.log(msg)
  }

  HLP.extend = function (child, parent) {
    for (var key in parent) {
      if (Object.hasOwnProperty.call(parent, key))
        child[key] = parent[key]
    }
    function Ctor() { this.constructor = child }
    Ctor.prototype = parent.prototype
    child.prototype = new Ctor()
    child.__super__ = parent.prototype
  }

  // assumes 32-bit
  function intCompare(x, y) {
    var z = ~(x ^ y)
    z &= z >> 16
    z &= z >> 8
    z &= z >> 4
    z &= z >> 2
    z &= z >> 1
    return z & 1
  }

  // constant-time string comparison
  HLP.compare = function (str1, str2) {
    if (str1.length !== str2.length)
      return false
    var i = 0, result = 0
    for (; i < str1.length; i++)
      result |= str1[i].charCodeAt(0) ^ str2[i].charCodeAt(0)
    return intCompare(result, 0)
  }

  HLP.randomExponent = function () {
    return BigInt.randBigInt(1536)
  }

  HLP.smpHash = function (version, fmpi, smpi) {
    var sha256 = CryptoJS.algo.SHA256.create()
    sha256.update(CryptoJS.enc.Latin1.parse(HLP.packBytes(version, DTS.BYTE)))
    sha256.update(CryptoJS.enc.Latin1.parse(HLP.packMPI(fmpi)))
    if (smpi) sha256.update(CryptoJS.enc.Latin1.parse(HLP.packMPI(smpi)))
    var hash = sha256.finalize()
    return HLP.bits2bigInt(hash.toString(CryptoJS.enc.Latin1))
  }

  HLP.makeMac = function (aesctr, m) {
    var pass = CryptoJS.enc.Latin1.parse(m)
    var mac = CryptoJS.HmacSHA256(CryptoJS.enc.Latin1.parse(aesctr), pass)
    return HLP.mask(mac.toString(CryptoJS.enc.Latin1), 0, 160)
  }

  HLP.make1Mac = function (aesctr, m) {
    var pass = CryptoJS.enc.Latin1.parse(m)
    var mac = CryptoJS.HmacSHA1(CryptoJS.enc.Latin1.parse(aesctr), pass)
    return mac.toString(CryptoJS.enc.Latin1)
  }

  HLP.encryptAes = function (msg, c, iv) {
    var opts = {
        mode: CryptoJS.mode.CTR
      , iv: CryptoJS.enc.Latin1.parse(iv)
      , padding: CryptoJS.pad.NoPadding
    }
    var aesctr = CryptoJS.AES.encrypt(
        msg
      , CryptoJS.enc.Latin1.parse(c)
      , opts
    )
    var aesctr_decoded = CryptoJS.enc.Base64.parse(aesctr.toString())
    return CryptoJS.enc.Latin1.stringify(aesctr_decoded)
  }

  HLP.decryptAes = function (msg, c, iv) {
    msg = CryptoJS.enc.Latin1.parse(msg)
    var opts = {
        mode: CryptoJS.mode.CTR
      , iv: CryptoJS.enc.Latin1.parse(iv)
      , padding: CryptoJS.pad.NoPadding
    }
    return CryptoJS.AES.decrypt(
        CryptoJS.enc.Base64.stringify(msg)
      , CryptoJS.enc.Latin1.parse(c)
      , opts
    )
  }

  HLP.multPowMod = function (a, b, c, d, e) {
    return BigInt.multMod(BigInt.powMod(a, b, e), BigInt.powMod(c, d, e), e)
  }

  HLP.ZKP = function (v, c, d, e) {
    return BigInt.equals(c, HLP.smpHash(v, d, e))
  }

  // greater than, or equal
  HLP.GTOE = function (a, b) {
    return (BigInt.equals(a, b) || BigInt.greater(a, b))
  }

  HLP.between = function (x, a, b) {
    return (BigInt.greater(x, a) && BigInt.greater(b, x))
  }

  HLP.checkGroup = function (g, N_MINUS_2) {
    return HLP.GTOE(g, TWO) && HLP.GTOE(N_MINUS_2, g)
  }

  HLP.h1 = function (b, secbytes) {
    var sha1 = CryptoJS.algo.SHA1.create()
    sha1.update(CryptoJS.enc.Latin1.parse(b))
    sha1.update(CryptoJS.enc.Latin1.parse(secbytes))
    return (sha1.finalize()).toString(CryptoJS.enc.Latin1)
  }

  HLP.h2 = function (b, secbytes) {
    var sha256 = CryptoJS.algo.SHA256.create()
    sha256.update(CryptoJS.enc.Latin1.parse(b))
    sha256.update(CryptoJS.enc.Latin1.parse(secbytes))
    return (sha256.finalize()).toString(CryptoJS.enc.Latin1)
  }

  HLP.mask = function (bytes, start, n) {
    return bytes.substr(start / 8, n / 8)
  }

  var _toString = String.fromCharCode;
  HLP.packBytes = function (val, bytes) {
    val = val.toString(16)
    var nex, res = ''  // big-endian, unsigned long
    for (; bytes > 0; bytes--) {
      nex = val.length ? val.substr(-2, 2) : '0'
      val = val.substr(0, val.length - 2)
      res = _toString(parseInt(nex, 16)) + res
    }
    return res
  }

  HLP.packINT = function (d) {
    return HLP.packBytes(d, DTS.INT)
  }

  HLP.packCtr = function (d) {
    return HLP.padCtr(HLP.packBytes(d, DTS.CTR))
  }

  HLP.padCtr = function (ctr) {
    return ctr + '\x00\x00\x00\x00\x00\x00\x00\x00'
  }

  HLP.unpackCtr = function (d) {
    d = HLP.toByteArray(d.substring(0, 8))
    return HLP.unpack(d)
  }

  HLP.unpack = function (arr) {
    var val = 0, i = 0, len = arr.length
    for (; i < len; i++) {
      val = (val * 256) + arr[i]
    }
    return val
  }

  HLP.packData = function (d) {
    return HLP.packINT(d.length) + d
  }

  HLP.bits2bigInt = function (bits) {
    bits = HLP.toByteArray(bits)
    return BigInt.ba2bigInt(bits)
  }

  HLP.packMPI = function (mpi) {
    return HLP.packData(BigInt.bigInt2bits(BigInt.trim(mpi, 0)))
  }

  HLP.packSHORT = function (short) {
    return HLP.packBytes(short, DTS.SHORT)
  }

  HLP.unpackSHORT = function (short) {
    short = HLP.toByteArray(short)
    return HLP.unpack(short)
  }

  HLP.packTLV = function (type, value) {
    return HLP.packSHORT(type) + HLP.packSHORT(value.length) + value
  }

  HLP.readLen = function (msg) {
    msg = HLP.toByteArray(msg.substring(0, 4))
    return HLP.unpack(msg)
  }

  HLP.readData = function (data) {
    var n = HLP.unpack(data.splice(0, 4))
    return [n, data]
  }

  HLP.readMPI = function (data) {
    data = HLP.toByteArray(data)
    data = HLP.readData(data)
    return BigInt.ba2bigInt(data[1])
  }

  HLP.packMPIs = function (arr) {
    return arr.reduce(function (prv, cur) {
      return prv + HLP.packMPI(cur)
    }, '')
  }

  HLP.unpackMPIs = function (num, mpis) {
    var i = 0, arr = []
    for (; i < num; i++) arr.push('MPI')
    return (HLP.splitype(arr, mpis)).map(function (m) {
      return HLP.readMPI(m)
    })
  }

  HLP.wrapMsg = function (msg, fs, v3, our_it, their_it) {
    msg = CryptoJS.enc.Base64.stringify(CryptoJS.enc.Latin1.parse(msg))
    msg = WRAPPER_BEGIN + ":" + msg + WRAPPER_END

    var its
    if (v3) {
      its = '|'
      its += (HLP.readLen(our_it)).toString(16)
      its += '|'
      its += (HLP.readLen(their_it)).toString(16)
    }

    if (!fs) return [null, msg]

    var n = Math.ceil(msg.length / fs)
    if (n > 65535) return ['Too many fragments']
    if (n == 1) return [null, msg]

    var k, bi, ei, frag, mf, mfs = []
    for (k = 1; k <= n; k++) {
      bi = (k - 1) * fs
      ei = k * fs
      frag = msg.slice(bi, ei)
      mf = WRAPPER_BEGIN
      if (v3) mf += its
      mf += ',' + k + ','
      mf += n + ','
      mf += frag + ','
      mfs.push(mf)
    }

    return [null, mfs]
  }

  HLP.splitype = function splitype(arr, msg) {
    var data = []
    arr.forEach(function (a) {
      var str
      switch (a) {
        case 'PUBKEY':
          str = splitype(['SHORT', 'MPI', 'MPI', 'MPI', 'MPI'], msg).join('')
          break
        case 'DATA':  // falls through
        case 'MPI':
          str = msg.substring(0, HLP.readLen(msg) + 4)
          break
        default:
          str = msg.substring(0, DTS[a])
      }
      data.push(str)
      msg = msg.substring(str.length)
    })
    return data
  }

  // https://github.com/msgpack/msgpack-javascript/blob/master/msgpack.js

  var _bin2num = (function () {
    var i = 0, _bin2num = {}
    for (; i < 0x100; ++i) {
      _bin2num[String.fromCharCode(i)] = i  // "\00" -> 0x00
    }
    for (i = 0x80; i < 0x100; ++i) {  // [Webkit][Gecko]
      _bin2num[String.fromCharCode(0xf700 + i)] = i  // "\f780" -> 0x80
    }
    return _bin2num
  }())

  HLP.toByteArray = function (data) {
    var rv = []
      , ary = data.split("")
      , i = -1
      , iz = ary.length
      , remain = iz % 8

    while (remain--) {
      ++i
      rv[i] = _bin2num[ary[i]]
    }
    remain = iz >> 3
    while (remain--) {
      rv.push(_bin2num[ary[++i]], _bin2num[ary[++i]],
              _bin2num[ary[++i]], _bin2num[ary[++i]],
              _bin2num[ary[++i]], _bin2num[ary[++i]],
              _bin2num[ary[++i]], _bin2num[ary[++i]])
    }
    return rv
  }

}).call(this)
;(function () {
  "use strict";

  var root = this

  var CryptoJS, BigInt, Worker, WWPath, HLP
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = DSA
    CryptoJS = require('../vendor/crypto.js')
    BigInt = require('../vendor/bigint.js')
    WWPath = require('path').join(__dirname, '/dsa-webworker.js')
    HLP = require('./helpers.js')
  } else {
    // copy over and expose internals
    Object.keys(root.DSA).forEach(function (k) {
      DSA[k] = root.DSA[k]
    })
    root.DSA = DSA
    CryptoJS = root.CryptoJS
    BigInt = root.BigInt
    Worker = root.Worker
    WWPath = 'dsa-webworker.js'
    HLP = DSA.HLP
  }

  var ZERO = BigInt.str2bigInt('0', 10)
    , ONE = BigInt.str2bigInt('1', 10)
    , TWO = BigInt.str2bigInt('2', 10)
    , KEY_TYPE = '\x00\x00'

  var DEBUG = false
  function timer() {
    var start = (new Date()).getTime()
    return function (s) {
      if (!DEBUG || typeof console === 'undefined') return
      var t = (new Date()).getTime()
      console.log(s + ': ' + (t - start))
      start = t
    }
  }

  function makeRandom(min, max) {
    var c = BigInt.randBigInt(BigInt.bitSize(max))
    if (!HLP.between(c, min, max)) return makeRandom(min, max)
    return c
  }

  // altered BigInt.randProbPrime()
  // n rounds of Miller Rabin (after trial division with small primes)
  var rpprb = []
  function isProbPrime(k, n) {
    var i, B = 30000, l = BigInt.bitSize(k)
    var primes = BigInt.primes

    if (primes.length === 0)
      primes = BigInt.findPrimes(B)

    if (rpprb.length != k.length)
      rpprb = BigInt.dup(k)

    // check ans for divisibility by small primes up to B
    for (i = 0; (i < primes.length) && (primes[i] <= B); i++)
      if (BigInt.modInt(k, primes[i]) === 0 && !BigInt.equalsInt(k, primes[i]))
        return 0

    // do n rounds of Miller Rabin, with random bases less than k
    for (i = 0; i < n; i++) {
      BigInt.randBigInt_(rpprb, l, 0)
      while(!BigInt.greater(k, rpprb))  // pick a random rpprb that's < k
        BigInt.randBigInt_(rpprb, l, 0)
      if (!BigInt.millerRabin(k, rpprb))
        return 0
    }

    return 1
  }

  var bit_lengths = {
      '1024': { N: 160, repeat: 40 }  // 40x should give 2^-80 confidence
    , '2048': { N: 224, repeat: 56 }
  }

  var primes = {}

  // follows go lang http://golang.org/src/pkg/crypto/dsa/dsa.go
  // fips version was removed in 0c99af0df3e7
  function generatePrimes(bit_length) {

    var t = timer()  // for debugging

    // number of MR tests to perform
    var repeat = bit_lengths[bit_length].repeat

    var N = bit_lengths[bit_length].N

    var LM1 = BigInt.twoToThe(bit_length - 1)
    var bl4 = 4 * bit_length
    var brk = false

    var q, p, rem, counter
    for (;;) {

      q = BigInt.randBigInt(N, 1)
      q[0] |= 1

      if (!isProbPrime(q, repeat)) continue
      t('q')

      for (counter = 0; counter < bl4; counter++) {
        p = BigInt.randBigInt(bit_length, 1)
        p[0] |= 1

        rem = BigInt.mod(p, q)
        rem = BigInt.sub(rem, ONE)
        p = BigInt.sub(p, rem)

        if (BigInt.greater(LM1, p)) continue
        if (!isProbPrime(p, repeat)) continue

        t('p')
        primes[bit_length] = { p: p, q: q }
        brk = true
        break
      }

      if (brk) break
    }

    var h = BigInt.dup(TWO)
    var pm1 = BigInt.sub(p, ONE)
    var e = BigInt.multMod(pm1, BigInt.inverseMod(q, p), p)

    var g
    for (;;) {
      g = BigInt.powMod(h, e, p)
      if (BigInt.equals(g, ONE)) {
        h = BigInt.add(h, ONE)
        continue
      }
      primes[bit_length].g = g
      t('g')
      return
    }

    throw new Error('Unreachable!')
  }

  function DSA(obj, opts) {
    if (!(this instanceof DSA)) return new DSA(obj, opts)

    // options
    opts = opts || {}

    // inherit
    if (obj) {
      var self = this
      ;['p', 'q', 'g', 'y', 'x'].forEach(function (prop) {
        self[prop] = obj[prop]
      })
      this.type = obj.type || KEY_TYPE
      return
    }

    // default to 1024
    var bit_length = parseInt(opts.bit_length ? opts.bit_length : 1024, 10)

    if (!bit_lengths[bit_length])
      throw new Error('Unsupported bit length.')

    // set primes
    if (!primes[bit_length])
      generatePrimes(bit_length)

    this.p = primes[bit_length].p
    this.q = primes[bit_length].q
    this.g = primes[bit_length].g

    // key type
    this.type = KEY_TYPE

    // private key
    this.x = makeRandom(ZERO, this.q)

    // public keys (p, q, g, y)
    this.y = BigInt.powMod(this.g, this.x, this.p)

    // nocache?
    if (opts.nocache) primes[bit_length] = null
  }

  DSA.prototype = {

    constructor: DSA,

    packPublic: function () {
      var str = this.type
      str += HLP.packMPI(this.p)
      str += HLP.packMPI(this.q)
      str += HLP.packMPI(this.g)
      str += HLP.packMPI(this.y)
      return str
    },

    packPrivate: function () {
      var str = this.packPublic() + HLP.packMPI(this.x)
      str = CryptoJS.enc.Latin1.parse(str)
      return str.toString(CryptoJS.enc.Base64)
    },

    // http://www.imperialviolet.org/2013/06/15/suddendeathentropy.html
    generateNonce: function (m) {
      var priv = BigInt.bigInt2bits(BigInt.trim(this.x, 0))
      var rand = BigInt.bigInt2bits(BigInt.randBigInt(256))

      var sha256 = CryptoJS.algo.SHA256.create()
      sha256.update(CryptoJS.enc.Latin1.parse(priv))
      sha256.update(m)
      sha256.update(CryptoJS.enc.Latin1.parse(rand))

      var hash = sha256.finalize()
      hash = HLP.bits2bigInt(hash.toString(CryptoJS.enc.Latin1))
      BigInt.rightShift_(hash, 256 - BigInt.bitSize(this.q))

      return HLP.between(hash, ZERO, this.q) ? hash : this.generateNonce(m)
    },

    sign: function (m) {
      m = CryptoJS.enc.Latin1.parse(m)
      var b = BigInt.str2bigInt(m.toString(CryptoJS.enc.Hex), 16)
      var k, r = ZERO, s = ZERO
      while (BigInt.isZero(s) || BigInt.isZero(r)) {
        k = this.generateNonce(m)
        r = BigInt.mod(BigInt.powMod(this.g, k, this.p), this.q)
        if (BigInt.isZero(r)) continue
        s = BigInt.inverseMod(k, this.q)
        s = BigInt.mult(s, BigInt.add(b, BigInt.mult(this.x, r)))
        s = BigInt.mod(s, this.q)
      }
      return [r, s]
    },

    fingerprint: function () {
      var pk = this.packPublic()
      if (this.type === KEY_TYPE) pk = pk.substring(2)
      pk = CryptoJS.enc.Latin1.parse(pk)
      return CryptoJS.SHA1(pk).toString(CryptoJS.enc.Hex)
    }

  }

  DSA.parsePublic = function (str, priv) {
    var fields = ['SHORT', 'MPI', 'MPI', 'MPI', 'MPI']
    if (priv) fields.push('MPI')
    str = HLP.splitype(fields, str)
    var obj = {
        type: str[0]
      , p: HLP.readMPI(str[1])
      , q: HLP.readMPI(str[2])
      , g: HLP.readMPI(str[3])
      , y: HLP.readMPI(str[4])
    }
    if (priv) obj.x = HLP.readMPI(str[5])
    return new DSA(obj)
  }

  function tokenizeStr(str) {
    var start, end

    start = str.indexOf("(")
    end = str.lastIndexOf(")")

    if (start < 0 || end < 0)
      throw new Error("Malformed S-Expression")

    str = str.substring(start + 1, end)

    var splt = str.search(/\s/)
    var obj = {
        type: str.substring(0, splt)
      , val: []
    }

    str = str.substring(splt + 1, end)
    start = str.indexOf("(")

    if (start < 0) obj.val.push(str)
    else {

      var i, len, ss, es
      while (start > -1) {
        i = start + 1
        len = str.length
        for (ss = 1, es = 0; i < len && es < ss; i++) {
          if (str[i] === "(") ss++
          if (str[i] === ")") es++
        }
        obj.val.push(tokenizeStr(str.substring(start, ++i)))
        str = str.substring(++i)
        start = str.indexOf("(")
      }

    }
    return obj
  }

  function parseLibotr(obj) {
    if (!obj.type) throw new Error("Parse error.")

    var o, val
    if (obj.type === "privkeys") {
      o = []
      obj.val.forEach(function (i) {
        o.push(parseLibotr(i))
      })
      return o
    }

    o = {}
    obj.val.forEach(function (i) {

      val = i.val[0]
      if (typeof val === "string") {

        if (val.indexOf("#") === 0) {
          val = val.substring(1, val.lastIndexOf("#"))
          val = BigInt.str2bigInt(val, 16)
        }

      } else {
        val = parseLibotr(i)
      }

      o[i.type] = val
    })

    return o
  }

  DSA.parsePrivate = function (str, libotr) {
    if (!libotr) {
      str = CryptoJS.enc.Base64.parse(str)
      str = str.toString(CryptoJS.enc.Latin1)
      return DSA.parsePublic(str, true)
    }
    // only returning the first key found
    return parseLibotr(tokenizeStr(str))[0]["private-key"].dsa
  }

  DSA.verify = function (key, m, r, s) {
    if (!HLP.between(r, ZERO, key.q) || !HLP.between(s, ZERO, key.q))
      return false

    var hm = CryptoJS.enc.Latin1.parse(m)  // CryptoJS.SHA1(m)
    hm = BigInt.str2bigInt(hm.toString(CryptoJS.enc.Hex), 16)

    var w = BigInt.inverseMod(s, key.q)
    var u1 = BigInt.multMod(hm, w, key.q)
    var u2 = BigInt.multMod(r, w, key.q)

    u1 = BigInt.powMod(key.g, u1, key.p)
    u2 = BigInt.powMod(key.y, u2, key.p)

    var v = BigInt.mod(BigInt.multMod(u1, u2, key.p), key.q)

    return BigInt.equals(v, r)
  }

  DSA.createInWebWorker = function (options, cb) {
    var opts = {
        path: WWPath
      , seed: BigInt.getSeed
    }
    if (options && typeof options === 'object')
      Object.keys(options).forEach(function (k) {
        opts[k] = options[k]
      })

    // load optional dep. in node
    if (typeof module !== 'undefined' && module.exports)
      Worker = require('webworker-threads').Worker

    var worker = new Worker(opts.path)
    worker.onmessage = function (e) {
      var data = e.data
      switch (data.type) {
        case "debug":
          if (!DEBUG || typeof console === 'undefined') return
          console.log(data.val)
          break;
        case "data":
          worker.terminate()
          cb(DSA.parsePrivate(data.val))
          break;
        default:
          throw new Error("Unrecognized type.")
      }
    }
    worker.postMessage({
        seed: opts.seed()
      , imports: opts.imports
      , debug: DEBUG
    })
  }

}).call(this)
;(function () {
  "use strict";

  var root = this

  var Parse = {}, CryptoJS, CONST, HLP
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = Parse
    CryptoJS = require('../vendor/crypto.js')
    CONST = require('./const.js')
    HLP = require('./helpers.js')
  } else {
    root.OTR.Parse = Parse
    CryptoJS = root.CryptoJS
    CONST = root.OTR.CONST
    HLP = root.OTR.HLP
  }

  // whitespace tags
  var tags = {}
  tags[CONST.WHITESPACE_TAG_V2] = CONST.OTR_VERSION_2
  tags[CONST.WHITESPACE_TAG_V3] = CONST.OTR_VERSION_3

  Parse.parseMsg = function (otr, msg) {

    var ver = []

    // is this otr?
    var start = msg.indexOf(CONST.OTR_TAG)
    if (!~start) {

      // restart fragments
      this.initFragment(otr)

      // whitespace tags
      ind = msg.indexOf(CONST.WHITESPACE_TAG)

      if (~ind) {

        msg = msg.split('')
        msg.splice(ind, 16)

        var tag, len = msg.length
        for (; ind < len;) {
          tag = msg.slice(ind, ind + 8).join('')
          if (Object.hasOwnProperty.call(tags, tag)) {
            msg.splice(ind, 8)
            ver.push(tags[tag])
            continue
          }
          ind += 8
        }

        msg = msg.join('')

      }

      return { msg: msg, ver: ver }
    }

    var ind = start + CONST.OTR_TAG.length
    var com = msg[ind]

    // message fragment
    if (com === ',' || com === '|') {
      return this.msgFragment(otr, msg.substring(ind + 1), (com === '|'))
    }

    this.initFragment(otr)

    // query message
    if (~['?', 'v'].indexOf(com)) {

      // version 1
      if (msg[ind] === '?') {
        ver.push(CONST.OTR_VERSION_1)
        ind += 1
      }

      // other versions
      var vers = {
          '2': CONST.OTR_VERSION_2
        , '3': CONST.OTR_VERSION_3
      }
      var qs = msg.substring(ind + 1)
      var qi = qs.indexOf('?')

      if (qi >= 1) {
        qs = qs.substring(0, qi).split('')
        if (msg[ind] === 'v') {
          qs.forEach(function (q) {
            if (Object.hasOwnProperty.call(vers, q)) ver.push(vers[q])
          })
        }
      }

      return { cls: 'query', ver: ver }
    }

    // otr message
    if (com === ':') {

      ind += 1

      var info = msg.substring(ind, ind + 4)
      if (info.length < 4) return { msg: msg }
      info = CryptoJS.enc.Base64.parse(info).toString(CryptoJS.enc.Latin1)

      var version = info.substring(0, 2)
      var type = info.substring(2)

      // supporting otr versions 2 and 3
      if (!otr['ALLOW_V' + HLP.unpackSHORT(version)]) return { msg: msg }

      ind += 4

      var end = msg.substring(ind).indexOf('.')
      if (!~end) return { msg: msg }

      msg = CryptoJS.enc.Base64.parse(msg.substring(ind, ind + end))
      msg = CryptoJS.enc.Latin1.stringify(msg)

      // instance tags
      var instance_tags
      if (version === CONST.OTR_VERSION_3) {
        instance_tags = msg.substring(0, 8)
        msg = msg.substring(8)
      }

      var cls
      if (~['\x02', '\x0a', '\x11', '\x12'].indexOf(type)) {
        cls = 'ake'
      } else if (type === '\x03') {
        cls = 'data'
      }

      return {
          version: version
        , type: type
        , msg: msg
        , cls: cls
        , instance_tags: instance_tags
      }
    }

    // error message
    if (msg.substring(ind, ind + 7) === ' Error:') {
      if (otr.ERROR_START_AKE) {
        otr.sendQueryMsg()
      }
      return { msg: msg.substring(ind + 7), cls: 'error' }
    }

    return { msg: msg }
  }

  Parse.initFragment = function (otr) {
    otr.fragment = { s: '', j: 0, k: 0 }
  }

  Parse.msgFragment = function (otr, msg, v3) {

    msg = msg.split(',')

    // instance tags
    if (v3) {
      var its = msg.shift().split('|')
      var their_it = HLP.packINT(parseInt(its[0], 16))
      var our_it = HLP.packINT(parseInt(its[1], 16))
      if (otr.checkInstanceTags(their_it + our_it)) return  // ignore
    }

    if (msg.length < 4 ||
      isNaN(parseInt(msg[0], 10)) ||
      isNaN(parseInt(msg[1], 10))
    ) return

    var k = parseInt(msg[0], 10)
    var n = parseInt(msg[1], 10)
    msg = msg[2]

    if (n < k || n === 0 || k === 0) {
      this.initFragment(otr)
      return
    }

    if (k === 1) {
      this.initFragment(otr)
      otr.fragment = { k: 1, n: n, s: msg }
    } else if (n === otr.fragment.n && k === (otr.fragment.k + 1)) {
      otr.fragment.s += msg
      otr.fragment.k += 1
    } else {
      this.initFragment(otr)
    }

    if (n === k) {
      msg = otr.fragment.s
      this.initFragment(otr)
      return this.parseMsg(otr, msg)
    }

    return
  }

}).call(this)
;(function () {
  "use strict";

  var root = this

  var CryptoJS, BigInt, CONST, HLP, DSA
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = AKE
    CryptoJS = require('../vendor/crypto.js')
    BigInt = require('../vendor/bigint.js')
    CONST = require('./const.js')
    HLP = require('./helpers.js')
    DSA = require('./dsa.js')
  } else {
    root.OTR.AKE = AKE
    CryptoJS = root.CryptoJS
    BigInt = root.BigInt
    CONST = root.OTR.CONST
    HLP = root.OTR.HLP
    DSA = root.DSA
  }

  // diffie-hellman modulus
  // see group 5, RFC 3526
  var N = BigInt.str2bigInt(CONST.N, 16)
  var N_MINUS_2 = BigInt.sub(N, BigInt.str2bigInt('2', 10))

  function hMac(gx, gy, pk, kid, m) {
    var pass = CryptoJS.enc.Latin1.parse(m)
    var hmac = CryptoJS.algo.HMAC.create(CryptoJS.algo.SHA256, pass)
    hmac.update(CryptoJS.enc.Latin1.parse(HLP.packMPI(gx)))
    hmac.update(CryptoJS.enc.Latin1.parse(HLP.packMPI(gy)))
    hmac.update(CryptoJS.enc.Latin1.parse(pk))
    hmac.update(CryptoJS.enc.Latin1.parse(kid))
    return (hmac.finalize()).toString(CryptoJS.enc.Latin1)
  }

  // AKE constructor
  function AKE(otr) {
    if (!(this instanceof AKE)) return new AKE(otr)

    // otr instance
    this.otr = otr

    // our keys
    this.our_dh = otr.our_old_dh
    this.our_keyid = otr.our_keyid - 1

    // their keys
    this.their_y = null
    this.their_keyid = null
    this.their_priv_pk = null

    // state
    this.ssid = null
    this.transmittedRS = false
    this.r = null

    // bind methods
    var self = this
    ;['sendMsg'].forEach(function (meth) {
      self[meth] = self[meth].bind(self)
    })
  }

  AKE.prototype = {

    constructor: AKE,

    createKeys: function(g) {
      var s = BigInt.powMod(g, this.our_dh.privateKey, N)
      var secbytes = HLP.packMPI(s)
      this.ssid = HLP.mask(HLP.h2('\x00', secbytes), 0, 64)  // first 64-bits
      var tmp = HLP.h2('\x01', secbytes)
      this.c = HLP.mask(tmp, 0, 128)  // first 128-bits
      this.c_prime = HLP.mask(tmp, 128, 128)  // second 128-bits
      this.m1 = HLP.h2('\x02', secbytes)
      this.m2 = HLP.h2('\x03', secbytes)
      this.m1_prime = HLP.h2('\x04', secbytes)
      this.m2_prime = HLP.h2('\x05', secbytes)
    },

    verifySignMac: function (mac, aesctr, m2, c, their_y, our_dh_pk, m1, ctr) {
      // verify mac
      var vmac = HLP.makeMac(aesctr, m2)
      if (!HLP.compare(mac, vmac))
        return ['MACs do not match.']

      // decrypt x
      var x = HLP.decryptAes(aesctr.substring(4), c, ctr)
      x = HLP.splitype(['PUBKEY', 'INT', 'SIG'], x.toString(CryptoJS.enc.Latin1))

      var m = hMac(their_y, our_dh_pk, x[0], x[1], m1)
      var pub = DSA.parsePublic(x[0])

      var r = HLP.bits2bigInt(x[2].substring(0, 20))
      var s = HLP.bits2bigInt(x[2].substring(20))

      // verify sign m
      if (!DSA.verify(pub, m, r, s)) return ['Cannot verify signature of m.']

      return [null, HLP.readLen(x[1]), pub]
    },

    makeM: function (their_y, m1, c, m2) {
      var pk = this.otr.priv.packPublic()
      var kid = HLP.packINT(this.our_keyid)
      var m = hMac(this.our_dh.publicKey, their_y, pk, kid, m1)
      m = this.otr.priv.sign(m)
      var msg = pk + kid
      msg += BigInt.bigInt2bits(m[0], 20)  // pad to 20 bytes
      msg += BigInt.bigInt2bits(m[1], 20)
      msg = CryptoJS.enc.Latin1.parse(msg)
      var aesctr = HLP.packData(HLP.encryptAes(msg, c, HLP.packCtr(0)))
      var mac = HLP.makeMac(aesctr, m2)
      return aesctr + mac
    },

    akeSuccess: function (version) {
      HLP.debug.call(this.otr, 'success')

      if (BigInt.equals(this.their_y, this.our_dh.publicKey))
        return this.otr.error('equal keys - we have a problem.')

      this.otr.our_old_dh = this.our_dh
      this.otr.their_priv_pk = this.their_priv_pk

      if (!(
        (this.their_keyid === this.otr.their_keyid &&
         BigInt.equals(this.their_y, this.otr.their_y)) ||
        (this.their_keyid === (this.otr.their_keyid - 1) &&
         BigInt.equals(this.their_y, this.otr.their_old_y))
      )) {

        this.otr.their_y = this.their_y
        this.otr.their_old_y = null
        this.otr.their_keyid = this.their_keyid

        // rotate keys
        this.otr.sessKeys[0] = [ new this.otr.DHSession(
            this.otr.our_dh
          , this.otr.their_y
        ), null ]
        this.otr.sessKeys[1] = [ new this.otr.DHSession(
            this.otr.our_old_dh
          , this.otr.their_y
        ), null ]

      }

      // ake info
      this.otr.ssid = this.ssid
      this.otr.transmittedRS = this.transmittedRS
      this.otr_version = version

      // go encrypted
      this.otr.authstate = CONST.AUTHSTATE_NONE
      this.otr.msgstate = CONST.MSGSTATE_ENCRYPTED

      // null out values
      this.r = null
      this.myhashed = null
      this.dhcommit = null
      this.encrypted = null
      this.hashed = null

      this.otr.trigger('status', [CONST.STATUS_AKE_SUCCESS])

      // send stored msgs
      this.otr.sendStored()
    },

    handleAKE: function (msg) {
      var send, vsm, type
      var version = msg.version

      switch (msg.type) {

        case '\x02':
          HLP.debug.call(this.otr, 'd-h key message')

          msg = HLP.splitype(['DATA', 'DATA'], msg.msg)

          if (this.otr.authstate === CONST.AUTHSTATE_AWAITING_DHKEY) {
            var ourHash = HLP.readMPI(this.myhashed)
            var theirHash = HLP.readMPI(msg[1])
            if (BigInt.greater(ourHash, theirHash)) {
              type = '\x02'
              send = this.dhcommit
              break  // ignore
            } else {
              // forget
              this.our_dh = this.otr.dh()
              this.otr.authstate = CONST.AUTHSTATE_NONE
              this.r = null
              this.myhashed = null
            }
          } else if (
            this.otr.authstate === CONST.AUTHSTATE_AWAITING_SIG
          ) this.our_dh = this.otr.dh()

          this.otr.authstate = CONST.AUTHSTATE_AWAITING_REVEALSIG

          this.encrypted = msg[0].substring(4)
          this.hashed = msg[1].substring(4)

          type = '\x0a'
          send = HLP.packMPI(this.our_dh.publicKey)
          break

        case '\x0a':
          HLP.debug.call(this.otr, 'reveal signature message')

          msg = HLP.splitype(['MPI'], msg.msg)

          if (this.otr.authstate !== CONST.AUTHSTATE_AWAITING_DHKEY) {
            if (this.otr.authstate === CONST.AUTHSTATE_AWAITING_SIG) {
              if (!BigInt.equals(this.their_y, HLP.readMPI(msg[0]))) return
            } else {
              return  // ignore
            }
          }

          this.otr.authstate = CONST.AUTHSTATE_AWAITING_SIG

          this.their_y = HLP.readMPI(msg[0])

          // verify gy is legal 2 <= gy <= N-2
          if (!HLP.checkGroup(this.their_y, N_MINUS_2))
            return this.otr.error('Illegal g^y.')

          this.createKeys(this.their_y)

          type = '\x11'
          send = HLP.packMPI(this.r)
          send += this.makeM(this.their_y, this.m1, this.c, this.m2)

          this.m1 = null
          this.m2 = null
          this.c = null
          break

        case '\x11':
          HLP.debug.call(this.otr, 'signature message')

          if (this.otr.authstate !== CONST.AUTHSTATE_AWAITING_REVEALSIG)
            return  // ignore

          msg = HLP.splitype(['DATA', 'DATA', 'MAC'], msg.msg)

          this.r = HLP.readMPI(msg[0])

          // decrypt their_y
          var key = CryptoJS.enc.Hex.parse(BigInt.bigInt2str(this.r, 16))
          key = CryptoJS.enc.Latin1.stringify(key)

          var gxmpi = HLP.decryptAes(this.encrypted, key, HLP.packCtr(0))
          gxmpi = gxmpi.toString(CryptoJS.enc.Latin1)

          this.their_y = HLP.readMPI(gxmpi)

          // verify hash
          var hash = CryptoJS.SHA256(CryptoJS.enc.Latin1.parse(gxmpi))

          if (!HLP.compare(this.hashed, hash.toString(CryptoJS.enc.Latin1)))
            return this.otr.error('Hashed g^x does not match.')

          // verify gx is legal 2 <= g^x <= N-2
          if (!HLP.checkGroup(this.their_y, N_MINUS_2))
            return this.otr.error('Illegal g^x.')

          this.createKeys(this.their_y)

          vsm = this.verifySignMac(
              msg[2]
            , msg[1]
            , this.m2
            , this.c
            , this.their_y
            , this.our_dh.publicKey
            , this.m1
            , HLP.packCtr(0)
          )
          if (vsm[0]) return this.otr.error(vsm[0])

          // store their key
          this.their_keyid = vsm[1]
          this.their_priv_pk = vsm[2]

          send = this.makeM(
              this.their_y
            , this.m1_prime
            , this.c_prime
            , this.m2_prime
          )

          this.m1 = null
          this.m2 = null
          this.m1_prime = null
          this.m2_prime = null
          this.c = null
          this.c_prime = null

          this.sendMsg(version, '\x12', send)
          this.akeSuccess(version)
          return

        case '\x12':
          HLP.debug.call(this.otr, 'data message')

          if (this.otr.authstate !== CONST.AUTHSTATE_AWAITING_SIG)
            return  // ignore

          msg = HLP.splitype(['DATA', 'MAC'], msg.msg)

          vsm = this.verifySignMac(
              msg[1]
            , msg[0]
            , this.m2_prime
            , this.c_prime
            , this.their_y
            , this.our_dh.publicKey
            , this.m1_prime
            , HLP.packCtr(0)
          )
          if (vsm[0]) return this.otr.error(vsm[0])

          // store their key
          this.their_keyid = vsm[1]
          this.their_priv_pk = vsm[2]

          this.m1_prime = null
          this.m2_prime = null
          this.c_prime = null

          this.transmittedRS = true
          this.akeSuccess(version)
          return

        default:
          return  // ignore

      }

      this.sendMsg(version, type, send)
    },

    sendMsg: function (version, type, msg) {
      var send = version + type
      var v3 = (version === CONST.OTR_VERSION_3)

      // instance tags for v3
      if (v3) {
        HLP.debug.call(this.otr, 'instance tags')
        send += this.otr.our_instance_tag
        send += this.otr.their_instance_tag
      }

      send += msg

      // fragment message if necessary
      send = HLP.wrapMsg(
          send
        , this.otr.fragment_size
        , v3
        , this.otr.our_instance_tag
        , this.otr.their_instance_tag
      )
      if (send[0]) return this.otr.error(send[0])

      this.otr.io(send[1])
    },

    initiateAKE: function (version) {
      HLP.debug.call(this.otr, 'd-h commit message')

      this.otr.trigger('status', [CONST.STATUS_AKE_INIT])

      this.otr.authstate = CONST.AUTHSTATE_AWAITING_DHKEY

      var gxmpi = HLP.packMPI(this.our_dh.publicKey)
      gxmpi = CryptoJS.enc.Latin1.parse(gxmpi)

      this.r = BigInt.randBigInt(128)
      var key = CryptoJS.enc.Hex.parse(BigInt.bigInt2str(this.r, 16))
      key = CryptoJS.enc.Latin1.stringify(key)

      this.myhashed = CryptoJS.SHA256(gxmpi)
      this.myhashed = HLP.packData(this.myhashed.toString(CryptoJS.enc.Latin1))

      this.dhcommit = HLP.packData(HLP.encryptAes(gxmpi, key, HLP.packCtr(0)))
      this.dhcommit += this.myhashed

      this.sendMsg(version, '\x02', this.dhcommit)
    }

  }

}).call(this)
;(function () {
  "use strict";

  var root = this

  var CryptoJS, BigInt,  EventEmitter, CONST, HLP
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = SM
    CryptoJS = require('../vendor/crypto.js')
    BigInt = require('../vendor/bigint.js')
    EventEmitter = require('../vendor/eventemitter.js')
    CONST = require('./const.js')
    HLP = require('./helpers.js')
  } else {
    root.OTR.SM = SM
    CryptoJS = root.CryptoJS
    BigInt = root.BigInt
    EventEmitter = root.EventEmitter
    CONST = root.OTR.CONST
    HLP = root.OTR.HLP
  }

  // diffie-hellman modulus and generator
  // see group 5, RFC 3526
  var G = BigInt.str2bigInt(CONST.G, 10)
  var N = BigInt.str2bigInt(CONST.N, 16)
  var N_MINUS_2 = BigInt.sub(N, BigInt.str2bigInt('2', 10))

  // to calculate D's for zero-knowledge proofs
  var Q = BigInt.sub(N, BigInt.str2bigInt('1', 10))
  BigInt.divInt_(Q, 2)  // meh

  function SM(reqs) {
    if (!(this instanceof SM)) return new SM(reqs)

    this.version = 1

    this.our_fp = reqs.our_fp
    this.their_fp = reqs.their_fp
    this.ssid = reqs.ssid

    this.debug = !!reqs.debug

    // initial state
    this.init()
  }

  // inherit from EE
  HLP.extend(SM, EventEmitter)

  // set the initial values
  // also used when aborting
  SM.prototype.init = function () {
    this.smpstate = CONST.SMPSTATE_EXPECT1
    this.secret = null
  }

  SM.prototype.makeSecret = function (our, secret) {
    var sha256 = CryptoJS.algo.SHA256.create()
    sha256.update(CryptoJS.enc.Latin1.parse(HLP.packBytes(this.version, 1)))
    sha256.update(CryptoJS.enc.Hex.parse(our ? this.our_fp : this.their_fp))
    sha256.update(CryptoJS.enc.Hex.parse(our ? this.their_fp : this.our_fp))
    sha256.update(CryptoJS.enc.Latin1.parse(this.ssid))
    sha256.update(CryptoJS.enc.Latin1.parse(secret))
    var hash = sha256.finalize()
    this.secret = HLP.bits2bigInt(hash.toString(CryptoJS.enc.Latin1))
  }

  SM.prototype.makeG2s = function () {
    this.a2 = HLP.randomExponent()
    this.a3 = HLP.randomExponent()
    this.g2a = BigInt.powMod(G, this.a2, N)
    this.g3a = BigInt.powMod(G, this.a3, N)
    if ( !HLP.checkGroup(this.g2a, N_MINUS_2) ||
         !HLP.checkGroup(this.g3a, N_MINUS_2)
    ) this.makeG2s()
  }

  SM.prototype.computeGs = function (g2a, g3a) {
    this.g2 = BigInt.powMod(g2a, this.a2, N)
    this.g3 = BigInt.powMod(g3a, this.a3, N)
  }

  SM.prototype.computePQ = function (r) {
    this.p = BigInt.powMod(this.g3, r, N)
    this.q = HLP.multPowMod(G, r, this.g2, this.secret, N)
  }

  SM.prototype.computeR = function () {
    this.r = BigInt.powMod(this.QoQ, this.a3, N)
  }

  SM.prototype.computeRab = function (r) {
    return BigInt.powMod(r, this.a3, N)
  }

  SM.prototype.computeC = function (v, r) {
    return HLP.smpHash(v, BigInt.powMod(G, r, N))
  }

  SM.prototype.computeD = function (r, a, c) {
    return BigInt.subMod(r, BigInt.multMod(a, c, Q), Q)
  }

  // the bulk of the work
  SM.prototype.handleSM = function (msg) {
    var send, r2, r3, r7, t1, t2, t3, t4, rab, tmp2, cR, d7, ms, trust

    var expectStates = {
        2: CONST.SMPSTATE_EXPECT1
      , 3: CONST.SMPSTATE_EXPECT2
      , 4: CONST.SMPSTATE_EXPECT3
      , 5: CONST.SMPSTATE_EXPECT4
      , 7: CONST.SMPSTATE_EXPECT1
    }

    if (msg.type === 6) {
      this.init()
      this.trigger('abort')
      return
    }

    // abort! there was an error
    if (this.smpstate !== expectStates[msg.type])
      return this.abort()

    switch (this.smpstate) {

      case CONST.SMPSTATE_EXPECT1:
        HLP.debug.call(this, 'smp tlv 2')

        // user specified question
        var ind, question
        if (msg.type === 7) {
          ind = msg.msg.indexOf('\x00')
          question = msg.msg.substring(0, ind)
          msg.msg = msg.msg.substring(ind + 1)
        }

        // 0:g2a, 1:c2, 2:d2, 3:g3a, 4:c3, 5:d3
        ms = HLP.readLen(msg.msg.substr(0, 4))
        if (ms !== 6) return this.abort()
        msg = HLP.unpackMPIs(6, msg.msg.substring(4))

        if ( !HLP.checkGroup(msg[0], N_MINUS_2) ||
             !HLP.checkGroup(msg[3], N_MINUS_2)
        ) return this.abort()

        // verify znp's
        if (!HLP.ZKP(1, msg[1], HLP.multPowMod(G, msg[2], msg[0], msg[1], N)))
          return this.abort()

        if (!HLP.ZKP(2, msg[4], HLP.multPowMod(G, msg[5], msg[3], msg[4], N)))
          return this.abort()

        this.g3ao = msg[3]  // save for later

        this.makeG2s()

        // zero-knowledge proof that the exponents
        // associated with g2a & g3a are known
        r2 = HLP.randomExponent()
        r3 = HLP.randomExponent()
        this.c2 = this.computeC(3, r2)
        this.c3 = this.computeC(4, r3)
        this.d2 = this.computeD(r2, this.a2, this.c2)
        this.d3 = this.computeD(r3, this.a3, this.c3)

        this.computeGs(msg[0], msg[3])

        this.smpstate = CONST.SMPSTATE_EXPECT0

        if (question) {
          // assume utf8 question
          question = CryptoJS.enc.Latin1
            .parse(question)
            .toString(CryptoJS.enc.Utf8)
        }

        // invoke question
        this.trigger('question', [question])
        return

      case CONST.SMPSTATE_EXPECT2:
        HLP.debug.call(this, 'smp tlv 3')

        // 0:g2a, 1:c2, 2:d2, 3:g3a, 4:c3, 5:d3, 6:p, 7:q, 8:cP, 9:d5, 10:d6
        ms = HLP.readLen(msg.msg.substr(0, 4))
        if (ms !== 11) return this.abort()
        msg = HLP.unpackMPIs(11, msg.msg.substring(4))

        if ( !HLP.checkGroup(msg[0], N_MINUS_2) ||
             !HLP.checkGroup(msg[3], N_MINUS_2) ||
             !HLP.checkGroup(msg[6], N_MINUS_2) ||
             !HLP.checkGroup(msg[7], N_MINUS_2)
        ) return this.abort()

        // verify znp of c3 / c3
        if (!HLP.ZKP(3, msg[1], HLP.multPowMod(G, msg[2], msg[0], msg[1], N)))
          return this.abort()

        if (!HLP.ZKP(4, msg[4], HLP.multPowMod(G, msg[5], msg[3], msg[4], N)))
          return this.abort()

        this.g3ao = msg[3]  // save for later

        this.computeGs(msg[0], msg[3])

        // verify znp of cP
        t1 = HLP.multPowMod(this.g3, msg[9], msg[6], msg[8], N)
        t2 = HLP.multPowMod(G, msg[9], this.g2, msg[10], N)
        t2 = BigInt.multMod(t2, BigInt.powMod(msg[7], msg[8], N), N)

        if (!HLP.ZKP(5, msg[8], t1, t2))
          return this.abort()

        var r4 = HLP.randomExponent()
        this.computePQ(r4)

        // zero-knowledge proof that P & Q
        // were generated according to the protocol
        var r5 = HLP.randomExponent()
        var r6 = HLP.randomExponent()
        var tmp = HLP.multPowMod(G, r5, this.g2, r6, N)
        var cP = HLP.smpHash(6, BigInt.powMod(this.g3, r5, N), tmp)
        var d5 = this.computeD(r5, r4, cP)
        var d6 = this.computeD(r6, this.secret, cP)

        // store these
        this.QoQ = BigInt.divMod(this.q, msg[7], N)
        this.PoP = BigInt.divMod(this.p, msg[6], N)

        this.computeR()

        // zero-knowledge proof that R
        // was generated according to the protocol
        r7 = HLP.randomExponent()
        tmp2 = BigInt.powMod(this.QoQ, r7, N)
        cR = HLP.smpHash(7, BigInt.powMod(G, r7, N), tmp2)
        d7 = this.computeD(r7, this.a3, cR)

        this.smpstate = CONST.SMPSTATE_EXPECT4

        send = HLP.packINT(8) + HLP.packMPIs([
            this.p
          , this.q
          , cP
          , d5
          , d6
          , this.r
          , cR
          , d7
        ])

        // TLV
        send = HLP.packTLV(4, send)
        break

      case CONST.SMPSTATE_EXPECT3:
        HLP.debug.call(this, 'smp tlv 4')

        // 0:p, 1:q, 2:cP, 3:d5, 4:d6, 5:r, 6:cR, 7:d7
        ms = HLP.readLen(msg.msg.substr(0, 4))
        if (ms !== 8) return this.abort()
        msg = HLP.unpackMPIs(8, msg.msg.substring(4))

        if ( !HLP.checkGroup(msg[0], N_MINUS_2) ||
             !HLP.checkGroup(msg[1], N_MINUS_2) ||
             !HLP.checkGroup(msg[5], N_MINUS_2)
        ) return this.abort()

        // verify znp of cP
        t1 = HLP.multPowMod(this.g3, msg[3], msg[0], msg[2], N)
        t2 = HLP.multPowMod(G, msg[3], this.g2, msg[4], N)
        t2 = BigInt.multMod(t2, BigInt.powMod(msg[1], msg[2], N), N)

        if (!HLP.ZKP(6, msg[2], t1, t2))
          return this.abort()

        // verify znp of cR
        t3 = HLP.multPowMod(G, msg[7], this.g3ao, msg[6], N)
        this.QoQ = BigInt.divMod(msg[1], this.q, N)  // save Q over Q
        t4 = HLP.multPowMod(this.QoQ, msg[7], msg[5], msg[6], N)

        if (!HLP.ZKP(7, msg[6], t3, t4))
          return this.abort()

        this.computeR()

        // zero-knowledge proof that R
        // was generated according to the protocol
        r7 = HLP.randomExponent()
        tmp2 = BigInt.powMod(this.QoQ, r7, N)
        cR = HLP.smpHash(8, BigInt.powMod(G, r7, N), tmp2)
        d7 = this.computeD(r7, this.a3, cR)

        send = HLP.packINT(3) + HLP.packMPIs([ this.r, cR, d7 ])
        send = HLP.packTLV(5, send)

        rab = this.computeRab(msg[5])
        trust = !!BigInt.equals(rab, BigInt.divMod(msg[0], this.p, N))

        this.trigger('trust', [trust, 'answered'])
        this.init()
        break

      case CONST.SMPSTATE_EXPECT4:
        HLP.debug.call(this, 'smp tlv 5')

        // 0:r, 1:cR, 2:d7
        ms = HLP.readLen(msg.msg.substr(0, 4))
        if (ms !== 3) return this.abort()
        msg = HLP.unpackMPIs(3, msg.msg.substring(4))

        if (!HLP.checkGroup(msg[0], N_MINUS_2)) return this.abort()

        // verify znp of cR
        t3 = HLP.multPowMod(G, msg[2], this.g3ao, msg[1], N)
        t4 = HLP.multPowMod(this.QoQ, msg[2], msg[0], msg[1], N)
        if (!HLP.ZKP(8, msg[1], t3, t4))
          return this.abort()

        rab = this.computeRab(msg[0])
        trust = !!BigInt.equals(rab, this.PoP)

        this.trigger('trust', [trust, 'asked'])
        this.init()
        return

    }

    this.sendMsg(send)
  }

  // send a message
  SM.prototype.sendMsg = function (send) {
    this.trigger('send', [this.ssid, '\x00' + send])
  }

  SM.prototype.rcvSecret = function (secret, question) {
    HLP.debug.call(this, 'receive secret')

    var fn, our = false
    if (this.smpstate === CONST.SMPSTATE_EXPECT0) {
      fn = this.answer
    } else {
      fn = this.initiate
      our = true
    }

    this.makeSecret(our, secret)
    fn.call(this, question)
  }

  SM.prototype.answer = function () {
    HLP.debug.call(this, 'smp answer')

    var r4 = HLP.randomExponent()
    this.computePQ(r4)

    // zero-knowledge proof that P & Q
    // were generated according to the protocol
    var r5 = HLP.randomExponent()
    var r6 = HLP.randomExponent()
    var tmp = HLP.multPowMod(G, r5, this.g2, r6, N)
    var cP = HLP.smpHash(5, BigInt.powMod(this.g3, r5, N), tmp)
    var d5 = this.computeD(r5, r4, cP)
    var d6 = this.computeD(r6, this.secret, cP)

    this.smpstate = CONST.SMPSTATE_EXPECT3

    var send = HLP.packINT(11) + HLP.packMPIs([
        this.g2a
      , this.c2
      , this.d2
      , this.g3a
      , this.c3
      , this.d3
      , this.p
      , this.q
      , cP
      , d5
      , d6
    ])

    this.sendMsg(HLP.packTLV(3, send))
  }

  SM.prototype.initiate = function (question) {
    HLP.debug.call(this, 'smp initiate')

    if (this.smpstate !== CONST.SMPSTATE_EXPECT1)
      this.abort()  // abort + restart

    this.makeG2s()

    // zero-knowledge proof that the exponents
    // associated with g2a & g3a are known
    var r2 = HLP.randomExponent()
    var r3 = HLP.randomExponent()
    this.c2 = this.computeC(1, r2)
    this.c3 = this.computeC(2, r3)
    this.d2 = this.computeD(r2, this.a2, this.c2)
    this.d3 = this.computeD(r3, this.a3, this.c3)

    // set the next expected state
    this.smpstate = CONST.SMPSTATE_EXPECT2

    var send = ''
    var type = 2

    if (question) {
      send += question
      send += '\x00'
      type = 7
    }

    send += HLP.packINT(6) + HLP.packMPIs([
        this.g2a
      , this.c2
      , this.d2
      , this.g3a
      , this.c3
      , this.d3
    ])

    this.sendMsg(HLP.packTLV(type, send))
  }

  SM.prototype.abort = function () {
    this.init()
    this.sendMsg(HLP.packTLV(6, ''))
    this.trigger('abort')
  }

}).call(this)
;(function () {
  "use strict";

  var root = this

  var CryptoJS, BigInt, EventEmitter, Worker, SMWPath
    , CONST, HLP, Parse, AKE, SM, DSA
  if (typeof module !== 'undefined' && module.exports) {
    module.exports = OTR
    CryptoJS = require('../vendor/crypto.js')
    BigInt = require('../vendor/bigint.js')
    EventEmitter = require('../vendor/eventemitter.js')
    SMWPath = require('path').join(__dirname, '/sm-webworker.js')
    CONST = require('./const.js')
    HLP = require('./helpers.js')
    Parse = require('./parse.js')
    AKE = require('./ake.js')
    SM = require('./sm.js')
    DSA = require('./dsa.js')
    // expose CONST for consistency with docs
    OTR.CONST = CONST
  } else {
    // copy over and expose internals
    Object.keys(root.OTR).forEach(function (k) {
      OTR[k] = root.OTR[k]
    })
    root.OTR = OTR
    CryptoJS = root.CryptoJS
    BigInt = root.BigInt
    EventEmitter = root.EventEmitter
    Worker = root.Worker
    SMWPath = 'sm-webworker.js'
    CONST = OTR.CONST
    HLP = OTR.HLP
    Parse = OTR.Parse
    AKE = OTR.AKE
    SM = OTR.SM
    DSA = root.DSA
  }

  // diffie-hellman modulus and generator
  // see group 5, RFC 3526
  var G = BigInt.str2bigInt(CONST.G, 10)
  var N = BigInt.str2bigInt(CONST.N, 16)

  // JavaScript integers
  var MAX_INT = Math.pow(2, 53) - 1  // doubles
  var MAX_UINT = Math.pow(2, 31) - 1  // bitwise operators

  // an internal callback
  function OTRCB(cb) {
    this.cb = cb
  }

  // OTR contructor
  function OTR(options) {
    if (!(this instanceof OTR)) return new OTR(options)

    // options
    options = options || {}

    // private keys
    if (options.priv && !(options.priv instanceof DSA))
      throw new Error('Requires long-lived DSA key.')

    this.priv = options.priv ? options.priv : new DSA()

    this.fragment_size = options.fragment_size || 0
    if (this.fragment_size < 0)
      throw new Error('Fragment size must be a positive integer.')

    this.send_interval = options.send_interval || 0
    if (this.send_interval < 0)
      throw new Error('Send interval must be a positive integer.')

    this.outgoing = []

    // instance tag
    this.our_instance_tag = options.instance_tag || OTR.makeInstanceTag()

    // debug
    this.debug = !!options.debug

    // smp in webworker options
    // this is still experimental and undocumented
    this.smw = options.smw

    // init vals
    this.init()

    // bind methods
    var self = this
    ;['sendMsg', 'receiveMsg'].forEach(function (meth) {
      self[meth] = self[meth].bind(self)
    })

    EventEmitter.call(this)
  }

  // inherit from EE
  HLP.extend(OTR, EventEmitter)

  // add to prototype
  OTR.prototype.init = function () {

    this.msgstate = CONST.MSGSTATE_PLAINTEXT
    this.authstate = CONST.AUTHSTATE_NONE

    this.ALLOW_V2 = true
    this.ALLOW_V3 = true

    this.REQUIRE_ENCRYPTION = false
    this.SEND_WHITESPACE_TAG = false
    this.WHITESPACE_START_AKE = false
    this.ERROR_START_AKE = false

    Parse.initFragment(this)

    // their keys
    this.their_y = null
    this.their_old_y = null
    this.their_keyid = 0
    this.their_priv_pk = null
    this.their_instance_tag = '\x00\x00\x00\x00'

    // our keys
    this.our_dh = this.dh()
    this.our_old_dh = this.dh()
    this.our_keyid = 2

    // session keys
    this.sessKeys = [ new Array(2), new Array(2) ]

    // saved
    this.storedMgs = []
    this.oldMacKeys = []

    // smp
    this.sm = null  // initialized after AKE

    // when ake is complete
    // save their keys and the session
    this._akeInit()

    // receive plaintext message since switching to plaintext
    // used to decide when to stop sending pt tags when SEND_WHITESPACE_TAG
    this.receivedPlaintext = false

  }

  OTR.prototype._akeInit = function () {
    this.ake = new AKE(this)
    this.transmittedRS = false
    this.ssid = null
  }

  // smp over webworker
  OTR.prototype._SMW = function (otr, reqs) {
    this.otr = otr
    var opts = {
        path: SMWPath
      , seed: BigInt.getSeed
    }
    if (typeof otr.smw === 'object')
      Object.keys(otr.smw).forEach(function (k) {
        opts[k] = otr.smw[k]
      })

    // load optional dep. in node
    if (typeof module !== 'undefined' && module.exports)
      Worker = require('webworker-threads').Worker

    this.worker = new Worker(opts.path)
    var self = this
    this.worker.onmessage = function (e) {
      var d = e.data
      if (!d) return
      self.trigger(d.method, d.args)
    }
    this.worker.postMessage({
        type: 'seed'
      , seed: opts.seed()
      , imports: opts.imports
    })
    this.worker.postMessage({
        type: 'init'
      , reqs: reqs
    })
  }

  // inherit from EE
  HLP.extend(OTR.prototype._SMW, EventEmitter)

  // shim sm methods
  ;['handleSM', 'rcvSecret', 'abort'].forEach(function (m) {
    OTR.prototype._SMW.prototype[m] = function () {
      this.worker.postMessage({
          type: 'method'
        , method: m
        , args: Array.prototype.slice.call(arguments, 0)
      })
    }
  })

  OTR.prototype._smInit = function () {
    var reqs = {
        ssid: this.ssid
      , our_fp: this.priv.fingerprint()
      , their_fp: this.their_priv_pk.fingerprint()
      , debug: this.debug
    }
    if (this.smw) {
      if (this.sm) this.sm.worker.terminate()  // destroy prev webworker
      this.sm = new this._SMW(this, reqs)
    } else {
      this.sm = new SM(reqs)
    }
    var self = this
    ;['trust', 'abort', 'question'].forEach(function (e) {
      self.sm.on(e, function () {
        self.trigger('smp', [e].concat(Array.prototype.slice.call(arguments)))
      })
    })
    this.sm.on('send', function (ssid, send) {
      if (self.ssid === ssid) {
        send = self.prepareMsg(send)
        self.io(send)
      }
    })
  }

  OTR.prototype.io = function (msg, meta) {

    // buffer
    msg = ([].concat(msg)).map(function(m, i, arr) {
       var obj = { msg: m }
       if (!(meta instanceof OTRCB) ||
         i === (arr.length - 1)  // only cb after last fragment is sent
       ) obj.meta = meta
       return obj
    })
    this.outgoing = this.outgoing.concat(msg)

    var self = this
    ;(function send(first) {
      if (!first) {
        if (!self.outgoing.length) return
        var elem = self.outgoing.shift(), cb = null
        if (elem.meta instanceof OTRCB) {
          cb = elem.meta.cb
          elem.meta = null
        }
        self.trigger('io', [elem.msg, elem.meta])
        if (cb) cb()
      }
      setTimeout(send, first ? 0 : self.send_interval)
    }(true))

  }

  OTR.prototype.dh = function dh() {
    var keys = { privateKey: BigInt.randBigInt(320) }
    keys.publicKey = BigInt.powMod(G, keys.privateKey, N)
    return keys
  }

  // session constructor
  OTR.prototype.DHSession = function DHSession(our_dh, their_y) {
    if (!(this instanceof DHSession)) return new DHSession(our_dh, their_y)

    // shared secret
    var s = BigInt.powMod(their_y, our_dh.privateKey, N)
    var secbytes = HLP.packMPI(s)

    // session id
    this.id = HLP.mask(HLP.h2('\x00', secbytes), 0, 64)  // first 64-bits

    // are we the high or low end of the connection?
    var sq = BigInt.greater(our_dh.publicKey, their_y)
    var sendbyte = sq ? '\x01' : '\x02'
    var rcvbyte  = sq ? '\x02' : '\x01'

    // sending and receiving keys
    this.sendenc = HLP.mask(HLP.h1(sendbyte, secbytes), 0, 128)  // f16 bytes
    this.sendmac = CryptoJS.SHA1(CryptoJS.enc.Latin1.parse(this.sendenc))
    this.sendmac = this.sendmac.toString(CryptoJS.enc.Latin1)

    this.rcvenc = HLP.mask(HLP.h1(rcvbyte, secbytes), 0, 128)
    this.rcvmac = CryptoJS.SHA1(CryptoJS.enc.Latin1.parse(this.rcvenc))
    this.rcvmac = this.rcvmac.toString(CryptoJS.enc.Latin1)
    this.rcvmacused = false

    // extra symmetric key
    this.extra_symkey = HLP.h2('\xff', secbytes)

    // counters
    this.send_counter = 0
    this.rcv_counter = 0
  }

  OTR.prototype.rotateOurKeys = function () {

    // reveal old mac keys
    var self = this
    this.sessKeys[1].forEach(function (sk) {
      if (sk && sk.rcvmacused) self.oldMacKeys.push(sk.rcvmac)
    })

    // rotate our keys
    this.our_old_dh = this.our_dh
    this.our_dh = this.dh()
    this.our_keyid += 1

    this.sessKeys[1][0] = this.sessKeys[0][0]
    this.sessKeys[1][1] = this.sessKeys[0][1]
    this.sessKeys[0] = [
        this.their_y ?
            new this.DHSession(this.our_dh, this.their_y) : null
      , this.their_old_y ?
            new this.DHSession(this.our_dh, this.their_old_y) : null
    ]

  }

  OTR.prototype.rotateTheirKeys = function (their_y) {

    // increment their keyid
    this.their_keyid += 1

    // reveal old mac keys
    var self = this
    this.sessKeys.forEach(function (sk) {
      if (sk[1] && sk[1].rcvmacused) self.oldMacKeys.push(sk[1].rcvmac)
    })

    // rotate their keys / session
    this.their_old_y = this.their_y
    this.sessKeys[0][1] = this.sessKeys[0][0]
    this.sessKeys[1][1] = this.sessKeys[1][0]

    // new keys / sessions
    this.their_y = their_y
    this.sessKeys[0][0] = new this.DHSession(this.our_dh, this.their_y)
    this.sessKeys[1][0] = new this.DHSession(this.our_old_dh, this.their_y)

  }

  OTR.prototype.prepareMsg = function (msg, esk) {
    if (this.msgstate !== CONST.MSGSTATE_ENCRYPTED || this.their_keyid === 0)
      return this.notify('Not ready to encrypt.')

    var sessKeys = this.sessKeys[1][0]

    if (sessKeys.send_counter >= MAX_INT)
      return this.notify('Should have rekeyed by now.')

    sessKeys.send_counter += 1

    var ctr = HLP.packCtr(sessKeys.send_counter)

    var send = this.ake.otr_version + '\x03'  // version and type
    var v3 = (this.ake.otr_version === CONST.OTR_VERSION_3)

    if (v3) {
      send += this.our_instance_tag
      send += this.their_instance_tag
    }

    send += '\x00'  // flag
    send += HLP.packINT(this.our_keyid - 1)
    send += HLP.packINT(this.their_keyid)
    send += HLP.packMPI(this.our_dh.publicKey)
    send += ctr.substring(0, 8)

    if (Math.ceil(msg.length / 8) >= MAX_UINT)  // * 16 / 128
      return this.notify('Message is too long.')

    var aes = HLP.encryptAes(
        CryptoJS.enc.Latin1.parse(msg)
      , sessKeys.sendenc
      , ctr
    )

    send += HLP.packData(aes)
    send += HLP.make1Mac(send, sessKeys.sendmac)
    send += HLP.packData(this.oldMacKeys.splice(0).join(''))

    send = HLP.wrapMsg(
        send
      , this.fragment_size
      , v3
      , this.our_instance_tag
      , this.their_instance_tag
    )
    if (send[0]) return this.notify(send[0])

    // emit extra symmetric key
    if (esk) this.trigger('file', ['send', sessKeys.extra_symkey, esk])

    return send[1]
  }

  OTR.prototype.handleDataMsg = function (msg) {
    var vt = msg.version + msg.type

    if (this.ake.otr_version === CONST.OTR_VERSION_3)
      vt += msg.instance_tags

    var types = ['BYTE', 'INT', 'INT', 'MPI', 'CTR', 'DATA', 'MAC', 'DATA']
    msg = HLP.splitype(types, msg.msg)

    // ignore flag
    var ign = (msg[0] === '\x01')

    if (this.msgstate !== CONST.MSGSTATE_ENCRYPTED || msg.length !== 8) {
      if (!ign) this.error('Received an unreadable encrypted message.')
      return
    }

    var our_keyid = this.our_keyid - HLP.readLen(msg[2])
    var their_keyid = this.their_keyid - HLP.readLen(msg[1])

    if (our_keyid < 0 || our_keyid > 1) {
      if (!ign) this.error('Not of our latest keys.')
      return
    }

    if (their_keyid < 0 || their_keyid > 1) {
      if (!ign) this.error('Not of your latest keys.')
      return
    }

    var their_y = their_keyid ? this.their_old_y : this.their_y

    if (their_keyid === 1 && !their_y) {
      if (!ign) this.error('Do not have that key.')
      return
    }

    var sessKeys = this.sessKeys[our_keyid][their_keyid]

    var ctr = HLP.unpackCtr(msg[4])
    if (ctr <= sessKeys.rcv_counter) {
      if (!ign) this.error('Counter in message is not larger.')
      return
    }
    sessKeys.rcv_counter = ctr

    // verify mac
    vt += msg.slice(0, 6).join('')
    var vmac = HLP.make1Mac(vt, sessKeys.rcvmac)

    if (!HLP.compare(msg[6], vmac)) {
      if (!ign) this.error('MACs do not match.')
      return
    }
    sessKeys.rcvmacused = true

    var out = HLP.decryptAes(
        msg[5].substring(4)
      , sessKeys.rcvenc
      , HLP.padCtr(msg[4])
    )
    out = out.toString(CryptoJS.enc.Latin1)

    if (!our_keyid) this.rotateOurKeys()
    if (!their_keyid) this.rotateTheirKeys(HLP.readMPI(msg[3]))

    // parse TLVs
    var ind = out.indexOf('\x00')
    if (~ind) {
      this.handleTLVs(out.substring(ind + 1), sessKeys)
      out = out.substring(0, ind)
    }

    out = CryptoJS.enc.Latin1.parse(out)
    return out.toString(CryptoJS.enc.Utf8)
  }

  OTR.prototype.handleTLVs = function (tlvs, sessKeys) {
    var type, len, msg
    for (; tlvs.length; ) {
      type = HLP.unpackSHORT(tlvs.substr(0, 2))
      len = HLP.unpackSHORT(tlvs.substr(2, 2))

      msg = tlvs.substr(4, len)

      // TODO: handle pathological cases better
      if (msg.length < len) break

      switch (type) {
        case 1:
          // Disconnected
          this.msgstate = CONST.MSGSTATE_FINISHED
          this.trigger('status', [CONST.STATUS_END_OTR])
          break
        case 2: case 3: case 4:
        case 5: case 6: case 7:
          // SMP
          if (this.msgstate !== CONST.MSGSTATE_ENCRYPTED) {
            if (this.sm) this.sm.abort()
            return
          }
          if (!this.sm) this._smInit()
          this.sm.handleSM({ msg: msg, type: type })
          break
        case 8:
          // utf8 filenames
          msg = msg.substring(4) // remove 4-byte indication
          msg = CryptoJS.enc.Latin1.parse(msg)
          msg = msg.toString(CryptoJS.enc.Utf8)

          // Extra Symkey
          this.trigger('file', ['receive', sessKeys.extra_symkey, msg])
          break
      }

      tlvs = tlvs.substring(4 + len)
    }
  }

  OTR.prototype.smpSecret = function (secret, question) {
    if (this.msgstate !== CONST.MSGSTATE_ENCRYPTED)
      return this.notify('Must be encrypted for SMP.')

    if (typeof secret !== 'string' || secret.length < 1)
      return this.notify('Secret is required.')

    if (!this.sm) this._smInit()

    // utf8 inputs
    secret = CryptoJS.enc.Utf8.parse(secret).toString(CryptoJS.enc.Latin1)
    if (question)
      question = CryptoJS.enc.Utf8.parse(question).toString(CryptoJS.enc.Latin1)

    this.sm.rcvSecret(secret, question)
  }

  OTR.prototype.sendQueryMsg = function () {
    var versions = {}
      , msg = CONST.OTR_TAG

    if (this.ALLOW_V2) versions['2'] = true
    if (this.ALLOW_V3) versions['3'] = true

    // but we don't allow v1
    // if (versions['1']) msg += '?'

    var vs = Object.keys(versions)
    if (vs.length) {
      msg += 'v'
      vs.forEach(function (v) {
        if (v !== '1') msg += v
      })
      msg += '?'
    }

    this.io(msg)
    this.trigger('status', [CONST.STATUS_SEND_QUERY])
  }

  OTR.prototype.sendMsg = function (msg, meta) {
    if ( this.REQUIRE_ENCRYPTION ||
         this.msgstate !== CONST.MSGSTATE_PLAINTEXT
    ) {
      msg = CryptoJS.enc.Utf8.parse(msg)
      msg = msg.toString(CryptoJS.enc.Latin1)
    }

    switch (this.msgstate) {
      case CONST.MSGSTATE_PLAINTEXT:
        if (this.REQUIRE_ENCRYPTION) {
          this.storedMgs.push({msg: msg, meta: meta})
          this.sendQueryMsg()
          return
        }
        if (this.SEND_WHITESPACE_TAG && !this.receivedPlaintext) {
          msg += CONST.WHITESPACE_TAG  // 16 byte tag
          if (this.ALLOW_V3) msg += CONST.WHITESPACE_TAG_V3
          if (this.ALLOW_V2) msg += CONST.WHITESPACE_TAG_V2
        }
        break
      case CONST.MSGSTATE_FINISHED:
        this.storedMgs.push({msg: msg, meta: meta})
        this.notify('Message cannot be sent at this time.', 'warn')
        return
      case CONST.MSGSTATE_ENCRYPTED:
        msg = this.prepareMsg(msg)
        break
      default:
        throw new Error('Unknown message state.')
    }

    if (msg) this.io(msg, meta)
  }

  OTR.prototype.receiveMsg = function (msg, meta) {

    // parse type
    msg = Parse.parseMsg(this, msg)

    if (!msg) return

    switch (msg.cls) {
      case 'error':
        this.notify(msg.msg)
        return
      case 'ake':
        if ( msg.version === CONST.OTR_VERSION_3 &&
          this.checkInstanceTags(msg.instance_tags)
        ) {
          this.notify(
            'Received a message intended for a different session.', 'warn')
          return  // ignore
        }
        this.ake.handleAKE(msg)
        return
      case 'data':
        if ( msg.version === CONST.OTR_VERSION_3 &&
          this.checkInstanceTags(msg.instance_tags)
        ) {
          this.notify(
            'Received a message intended for a different session.', 'warn')
          return  // ignore
        }
        msg.msg = this.handleDataMsg(msg)
        msg.encrypted = true
        break
      case 'query':
        if (this.msgstate === CONST.MSGSTATE_ENCRYPTED) this._akeInit()
        this.doAKE(msg)
        break
      default:
        // check for encrypted
        if ( this.REQUIRE_ENCRYPTION ||
             this.msgstate !== CONST.MSGSTATE_PLAINTEXT
        ) this.notify('Received an unencrypted message.', 'warn')

        // received a plaintext message
        // stop sending the whitespace tag
        this.receivedPlaintext = true

        // received a whitespace tag
        if (this.WHITESPACE_START_AKE && msg.ver.length > 0)
          this.doAKE(msg)
    }

    if (msg.msg) this.trigger('ui', [msg.msg, !!msg.encrypted, meta])
  }

  OTR.prototype.checkInstanceTags = function (it) {
    var their_it = HLP.readLen(it.substr(0, 4))
    var our_it = HLP.readLen(it.substr(4, 4))

    if (our_it && our_it !== HLP.readLen(this.our_instance_tag))
      return true

    if (HLP.readLen(this.their_instance_tag)) {
      if (HLP.readLen(this.their_instance_tag) !== their_it) return true
    } else {
      if (their_it < 100) return true
      this.their_instance_tag = HLP.packINT(their_it)
    }
  }

  OTR.prototype.doAKE = function (msg) {
    if (this.ALLOW_V3 && ~msg.ver.indexOf(CONST.OTR_VERSION_3)) {
      this.ake.initiateAKE(CONST.OTR_VERSION_3)
    } else if (this.ALLOW_V2 && ~msg.ver.indexOf(CONST.OTR_VERSION_2)) {
      this.ake.initiateAKE(CONST.OTR_VERSION_2)
    } else {
      this.notify('OTR conversation requested, ' +
        'but no compatible protocol version found.', 'warn')
    }
  }

  OTR.prototype.error = function (err) {
    if (!this.debug) err = 'An OTR error has occurred.'
    this.io('?OTR Error:' + err)
    this.notify(err)
  }

  OTR.prototype.notify = function (err, severity) {
    this.trigger('error', [err, severity || 'error'])
  }

  OTR.prototype.sendStored = function () {
    var self = this
    ;(this.storedMgs.splice(0)).forEach(function (elem) {
      var msg = self.prepareMsg(elem.msg)
      self.io(msg, elem.meta)
    })
  }

  OTR.prototype.sendFile = function (filename) {
    if (this.msgstate !== CONST.MSGSTATE_ENCRYPTED)
      return this.notify('Not ready to encrypt.')

    if (this.ake.otr_version !== CONST.OTR_VERSION_3)
      return this.notify('Protocol v3 required.')

    if (!filename) return this.notify('Please specify a filename.')

    // utf8 filenames
    var l1name = CryptoJS.enc.Utf8.parse(filename)
    l1name = l1name.toString(CryptoJS.enc.Latin1)

    if (l1name.length >= 65532) return this.notify('Filename is too long.')

    var msg = '\x00'  // null byte
    msg += '\x00\x08'  // type 8 tlv
    msg += HLP.packSHORT(4 + l1name.length)  // length of value
    msg += '\x00\x00\x00\x01'  // four bytes indicating file
    msg += l1name

    msg = this.prepareMsg(msg, filename)
    this.io(msg)
  }

  OTR.prototype.endOtr = function (cb) {
    if (this.msgstate === CONST.MSGSTATE_ENCRYPTED) {
      if (typeof cb === 'function')
        cb = new OTRCB(cb)
      this.sendMsg('\x00\x00\x01\x00\x00', cb)
      if (this.sm) {
        if (this.smw) this.sm.worker.terminate()  // destroy webworker
        this.sm = null
      }
    } else if (typeof cb === 'function')
      setTimeout(cb, 0)

    this.msgstate = CONST.MSGSTATE_PLAINTEXT
    this.receivedPlaintext = false
    this.trigger('status', [CONST.STATUS_END_OTR])
  }

  // attach methods

  OTR.makeInstanceTag = function () {
    var num = BigInt.randBigInt(32)
    if (BigInt.greater(BigInt.str2bigInt('100', 16), num))
      return OTR.makeInstanceTag()
    return HLP.packINT(parseInt(BigInt.bigInt2str(num, 10), 10))
  }

}).call(this)


  return {
      OTR: this.OTR
    , DSA: this.DSA
  }

}))

/*!
 * Source: lib/i18next/release/i18next-latest.min.js, license: MIT, url: http://i18next.com/
 */
// i18next, v1.7.7
// Copyright (c)2014 Jan Mühlemann (jamuhl).
// Distributed under MIT license
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Proszę, zamknij rozmowę.","unencrypted_message_received":"Zwrotna niezaszyfrowana wiadomość.","not_available":"Niedostępny.","no_connection":"Brak połączenia!","relogin":"Połącz ponownie","trying_to_start_private_conversation":"Rozpocznij rozmowę!","Verified":"Zweryfikowano","Unverified":"Niezweryfikowano","private_conversation_aborted":"Anulowano rozmowę!","your_buddy_closed_the_private_conversation_you_should_do_the_same":"Rozmówca przerwał połączenie!","conversation_is_now_verified":"Zweryfikowano połączenie.","authentication_failed":"Weryfikacja się nie powiodła.","Creating_your_private_key_":"Tworzenie klucza prywatnego; może to chwilę potrwać","Authenticating_a_buddy_helps_":"Autoryzacja pomoże w ustaleniu faktycznej tożsamości rozmówcy ;).","How_do_you_want_to_authenticate_your_buddy":"Jakiej autoryzacji chcesz użyć {{bid_name}} (<b>{{bid_jid}}</b>)?","Select_method":"Wybierz sposób...","Manual":"Ręcznie","Question":"Pytanie","Secret":"Hasło","To_verify_the_fingerprint_":"Aby zweryfikować kod najpierw skontaktuj się z rozmówcą np. za pomocą telefonu.","Your_fingerprint":"Twój kod:","Buddy_fingerprint":"Kod rozmówcy","Close":"Zamknij","Compared":"Porównano","To_authenticate_using_a_question_":"Aby autoryzować za pomocą pytania, wybierz pytanie na które tylko Twój rozmówca zna odpowiedź.","Ask":"Zadaj pytanie","To_authenticate_pick_a_secret_":"Aby autoryzować za pomocą hasła, wybierz hasło na które zna tylko Twój rozmówca.","Compare":"Dopasuj","Fingerprints":"Kody autoryzacyjne","Authentication":"Autoryzacja","Message":"Wiadomość","Add_buddy":"Dodaj kontakt","rename_buddy":"Zmień nazwę","delete_buddy":"Usuń kontakt","Login":"Login","Username":"Nazwa Użytkownika","Password":"Hasło","Cancel":"Anuluj","Connect":"Połączenie","Type_in_the_full_username_":"Wpisz pełną nazwę użytkownika (np. <B>imię.nazwisko@zajezdnia.local</B>) oraz jego nazwę wyświetlaną (Alias).","Alias":"Alias","Add":"Dodaj","Subscription_request":"Potwierdzenie subskrypcji","You_have_a_request_from":"Masz potwierdzenie od","Deny":"Odmów","Approve":"Zatwierdź","Remove_buddy":"Usuń rozmówcę","You_are_about_to_remove_":"Twój rozmówca {{bid_name}} (<b>{{bid_jid}}</b>) usunął Cię ze swojej listy kontaktów.","Continue_without_chat":"Kontynuuj bez komunikatora","Please_wait":"Proszę czekać","Login_failed":"Błędne logowanie","Sorry_we_cant_authentikate_":"Błędna autoryzacja z serwerem. Może hasło jest nieprawidłowe?","Retry":"Powrót","clear_history":"Wyczyść historię","New_message_from":"Nowa wiadomość od __name__","Should_we_notify_you_":"Czy chcesz otrzymywać powiadomienia o nowych wiadomościach w przyszłości?","Please_accept_":"Kliknij \"Zezwól\" na górze.","Hide_offline":"Schowaj niedostępne kontakty","Show_offline":"Pokaż niedostępne kontakty","About":"Info","dnd":"Nie przeszkadzać","Mute":"Wycisz","Unmute":"Włącz dźwięk","Subscription":"Subskrybcja","both":"obustronna","Status":"Status","online":"Dostępny","chat":"czat","away":"z dala od kompa","xa":"hen hen...","offline":"niedostępny","none":"brak","Unknown_instance_tag":"Nieznany przypadek.","Not_one_of_our_latest_keys":"Not one of our latest keys.","Received_an_unreadable_encrypted_message":"Otrzymano nieczytelną, zaszyfrowaną wiadomość.","Online":"Połączony","Chatty":"Pogawędzimy?","Away":"Daleko","Extended_away":"Hen Hen...","Offline":"Niedostępny","Friendship_request":"Zapytanie od znajomego?","Confirm":"Potwierdzenie","Dismiss":"Odwołaj","Remove":"Usuń","Online_help":"Pomoc Online","FN":"Pełna nazwa","N":"  ","FAMILY":"Nazwisko","GIVEN":"Imię","NICKNAME":"Pseudonim","URL":"Strona WWW","ADR":"Adres","STREET":"Ulica","EXTADD":"Pełny adres","LOCALITY":"Lokalizacja","REGION":"Region","PCODE":"Kod pocztowy","CTRY":"Kraj","TEL":"Telefon","NUMBER":"Numer","EMAIL":"Email","USERID":" ","ORG":"Organizacja","ORGNAME":"Nazwa","ORGUNIT":"Jednostka","TITLE":"Stanowisko","ROLE":"Rola","BDAY":"Data urodzin","DESC":"Opis","PHOTO":" ","send_message":"Wyślij wiadomość","get_info":"Pokaż informację","Settings":"Ustawienia","Priority":"Priorytet","Save":"Zapisz","User_settings":"Ustawienia Użytkownika","A_fingerprint_":"Kod służy do autoryzacji Twojego rozmówcy aby potwierdzić jego tożsamość.","is":"jest","Login_options":"opcje logowania","BOSH_url":"Adres BOSH","Domain":"Domena","Resource":"Źródło","On_login":"Na login","Received_an_unencrypted_message":"Zatwierdzono nieszyfrowaną wiadomość.","Sorry_your_buddy_doesnt_provide_any_information":"Twój rozmówca nie posiada żadnych informacji.","Info_about":"Informacja o...","Authentication_aborted":"Autoryzacja anulowana.","Authentication_request_received":"Prośba o autoryzację została przyjęta.","Log_in_without_chat":"Zaloguj bez komunikatora","has_come_online":"jest teraz dostępny","Unknown_sender":"Nieznany nadawca","Please_allow_access_to_microphone_and_camera":"Kliknij \"Potwierdź\" na górze, aby móc korzystać z mikrofonu oraz kamery.","Incoming_call":"Przychodzące połączenie","from":"z","Do_you_want_to_accept_the_call_from":"Akceptujesz połączenie od","Reject":"Odrzuć","Accept":"Zaakceptuj","hang_up":"odbierz","snapshot":"zrób zdjęcie","mute_my_audio":"wycisz dźwięk","pause_my_video":"zatrzymaj moje wideo","fullscreen":"Pełny ekran","Info":"Informacja","Local_IP":"Adres IP","Remote_IP":"Zdalny adres IP","Local_Fingerprint":"Kod lokalny","Remote_Fingerprint":"Zdalny kod","Video_call_not_possible":"Rozmowa wideo jest niemożliwa. Twój rozmówca nie ma możliwości prowadzenia takich rozmów.","Start_video_call":"Rozpocznij rozmowę wideo","Join_chat":"Dołącz do czata","Join":"Dołącz","Room":"Pokój","Nickname":"Nazwa użytkownika","left_the_building":"__nickname__ wyszedł","entered_the_room":"__nickname__ wszedł do pokoju","is_now_known_as":"__oldNickname__ zmienił nazwę na __newNickname__","This_room_is":"Ten pokój jest","muc_hidden":{"keyword":"ukryty","description":"nie można odnaleźć elementów wyszukiwania"},"muc_membersonly":{"keyword":"tylko zalogowani","description":"musisz być członkiem listy"},"muc_moderated":{"keyword":"moderowano","description":"tylko osoby z opcją \"głos\" mogą wysyłać wiadomość"},"muc_nonanonymous":{"keyword":"nie-anonimowy","description":"Twój identyfikator jabber jest widoczny dla wszystkich innych osób"},"muc_open":{"keyword":"otwarty","description":"wszyscy mają pozwolenie aby dołączyć"},"muc_passwordprotected":{"keyword":"ograniczone hasłem","description":"musisz wpisać prawidłowe hasło"},"muc_persistent":{"keyword":"trwale","description":"nie zostaną zniszczone, jeśli ostatnia osoba wyszła"},"muc_public":{"keyword":"publiczny","description":"wyszukawno"},"muc_semianonymous":{"keyword":"pół-anonimowy","description":"Twój identyfikator jabber jest widoczny w pokoju adminów"},"muc_temporary":{"keyword":"tymczasowy","description":"zostanie usunięty jeżeli ostatnia osoba wyjdzie"},"muc_unmoderated":{"keyword":"niemoderowany","description":"wszyscy są uprawnieni do pisania wiadomości"},"muc_unsecured":{"keyword":"niezabezpieczone","description":"nie musisz wpisywać hasła"},"Continue":"Kontynuuj","Server":"Serwer","Rooms_are_loaded":"Pokoje zostały załadowane","Could_load_only":"Nie załadowano __count__ pokoi","muc_explanation":"Aby się zalogować, wpisz nazwę pokoju oraz opcjonalnie nazwę użytkownika i hasło","You_already_joined_this_room":"Już dołączyłeś do tego pokoju","This_room_will_be_closed":"Ten pokój będzie zamknięty","Room_not_found_":"Nowy pokój będzie stworzony","Loading_room_information":"Ładowani informacji o pokoju","Destroy":"Zniszczony","Leave":"Opuść","changed_subject_to":"__nickname__ zmienił temat pokoju na \"__subject__\"","muc_removed_kicked":"Zostałeś wyrzucony z pokoju","muc_removed_info_kicked":"__nickname__ został wyrzucony z pokoju","muc_removed_banned":"Zostałeś zbanowany","muc_removed_info_banned":"__nickname__ został zbanowany","muc_removed_affiliation":"Zostałeś usunięty z pokoju ze względu na zmianę przynależnosci","muc_removed_info_affiliation":"__nickname__ został usunięty z pokoju ze względu na zmianę przynależnosci","muc_removed_membersonly":"Zostałeś usunięty z pokoju ze względu na zmianę pokoju tylko dla członków, a Ty nie jesteś członkiem...","muc_removed_info_membersonly":"__nickname__ został usunięty z pokoju ze względu na zmianę pokoju na tylko dla członków","muc_removed_shutdown":"Zostałeś usunięty z pokoju ze względu na zamknięcie usługi","Reason":"Powód","message_not_send":"Wystąpił błąd i twoja wiadomość nie została wysłana.","message_not_send_item-not-found":"Twoja wiadomość nie została wysłana ponieważ ten pokój nie istnieje","message_not_send_forbidden":"Twoja wiadomość nie została wysłana ponieważ nie masz głosu w tym pokoju","message_not_send_not-acceptable":"Twoja wiadomość nie została wysłana ponieważ nie jesteś właścicielem tego pokoju","This_room_has_been_closed":"Ten pokój został zamknięty","Room_logging_is_enabled":"Logowanie do pokoju jest włączone","A_password_is_required":"Hasło jest wymagane","You_are_not_on_the_member_list":"Nie jesteś na liście członków","You_are_banned_from_this_room":"Zostałeś zbanowany w tym pokoju","Your_desired_nickname_":"Twoja nazwa użytkownika jest już użyta. Spróbuj wybrać inną","The_maximum_number_":"Została osiągnięta maksymalna liczba użytkowników w tym pokoju","This_room_is_locked_":"Ten pokój jest zablokowany","You_are_not_allowed_to_create_":"Nie masz uprawnień do tworzenia pokoju","Alert":"Alarm","Call_started":null,"Call_terminated":null,"Carbon_copy":"Do wiadomości","Enable":"Włączone","jingle_reason_busy":null,"jingle_reason_decline":null,"jingle_reason_success":null,"Media_failure":null,"No_local_audio_device":null,"No_local_video_device":null,"Ok":"Ok","PermissionDeniedError":null,"Use_local_audio_device":null,"Use_local_video_device":null,"is_":"jest __status__","You_received_a_message_from_an_unknown_sender_":"Masz wiadomość od nieznanego nadawcy. (__sender__) Chcesz to wyświetlić?","Your_roster_is_empty_add_":"Twoja lista jest pusta, dodaj kontakty  <a>Nowy kontakt</a>","onsmp_explanation_question":"Twój rozmówca próbuje się z Tobą połączyć. Autoryzacja z rozmówcą,  napisz odpowiedź.","onsmp_explanation_secret":"Twój rozmówca próbuje się z Tobą połączyć. Autoryzacja z rozmówcą,  wpisz hasło.","from_sender":"z __sender__","Verified_private_conversation_started":"Zweryfikowano Rozmowa prywatna rozpoczęta.","Unverified_private_conversation_started":"Niezweryfikowano Rozmowa prywatna rozpoczęta.","Bookmark":null,"Auto-join":null,"Edit_bookmark":null,"Room_logging_is_disabled":null,"Room_is_now_non-anoymous":null,"Room_is_now_semi-anonymous":null,"Do_you_want_to_change_the_default_room_configuration":null,"Default":null,"Change":null,"Send_file":null,"setting-explanation-carbon":null,"setting-explanation-login":null,"setting-explanation-priority":null,"setting-explanation-xmpp":null}},"pt-BR":{"translation":{"Logging_in":"Entrando...","your_connection_is_unencrypted":"Sua conexão não é encriptada","your_connection_is_encrypted":"Sua conexão é encriptada","your_buddy_closed_the_private_connection":"Seu contato fechou a conexão privada","start_private":"Iniciar conversa privada","close_private":"Fechar conversa privada","your_buddy_is_verificated":"Seu contato está verificado","you_have_only_a_subscription_in_one_way":"Você só tem a inscrição one-way","authentication_query_sent":"Pergunta de autenticação enviada","your_message_wasnt_send_please_end_your_private_conversation":"Sua mensagem não foi enviada. Por favor finalize sua conversa privada","unencrypted_message_received":"Mensagem não encriptada recebida","not_available":"Indisponível","no_connection":"Sem conexão!","relogin":"reentrar","trying_to_start_private_conversation":"Tentando iniciar conversa privada","Verified":"Verificado","Unverified":"Não verificado","private_conversation_aborted":"Conversa privada abortada!","your_buddy_closed_the_private_conversation_you_should_do_the_same":"Seu contato encerrou a conversa privada! Você deveria fazer o mesmo.","conversation_is_now_verified":"Conversa verificada.","authentication_failed":"Autenticação falhou.","Creating_your_private_key_":"Criando sua chave privada: isso pode demorar um pouco.","Authenticating_a_buddy_helps_":"Autenticar seu contato ajuda a garantir que a pessoa com a qual você está falando é realmente a pessoa que ela alega ser.","How_do_you_want_to_authenticate_your_buddy":"Como você gostaria de se autenticar {{bid_name}} (<b>{{bid_jid}}</b>)?","Select_method":"Selecione o método...","Manual":"Manual","Question":"Pergunta","Secret":"Senha","To_verify_the_fingerprint_":"Para verificar o fingerprint, entre em contato com seu contato usando outro meio, de preferência seguro, como o telefone.","Your_fingerprint":"Seu fingerprint","Buddy_fingerprint":"Fingerprint do contato","Close":"Fechar","Compared":"Comparado","To_authenticate_using_a_question_":"Para autenticar seu contato faça uma pergunta, mas escolha que só ele saiba a resposta.","Ask":"Pergunta","To_authenticate_pick_a_secret_":"Para autenticar, escolha um segredo que somente você e seu contato saibam.","Compare":"Compare","Fingerprints":"Fingerprints","Authentication":"Autenticação","Message":"Mensagem","Add_buddy":"Adicionar contato","rename_buddy":"renomear contato","delete_buddy":"remover contato","Login":"Entrar","Username":"Usuário","Password":"Senha","Cancel":"Cancelar","Connect":"Conectar","Type_in_the_full_username_":"Digite seu nome completo e um apelido opcional.","Alias":"Apelido","Add":"Adicionar","Subscription_request":"Pedido de inscrição","You_have_a_request_from":"Você tem um pedido de","Deny":"Negar","Approve":"Aprovar","Remove_buddy":"Remover contato","You_are_about_to_remove_":"Você está prestes a remover {{bid_name}} (<b>{{bid_jid}}</b>) de sua lista de contatos. Todas as conversas serão fechadas.","Continue_without_chat":"Continue sem converar","Please_wait":"Por favor aguarde","Login_failed":"Autenticação da conversa falhou","Sorry_we_cant_authentikate_":"A autenticação com o servidor falhou. Talvez seja a senha errada?","Retry":"Voltar","clear_history":"Limpar histórico","New_message_from":"Nova mensagem de __name__","Should_we_notify_you_":"Devemos continuar notificando sobre novas mensagens no futuro?","Please_accept_":"Por favor clique no botão \"Permitir\" na parte superior.","Hide_offline":"Esconder contatos desconectados","Show_offline":"Mostrar contatos desconectados","About":"Sobre","dnd":"Não perturbe","Mute":"Mudo","Unmute":"Ligar","Subscription":"Inscrição","both":"ambos","Status":"Status","online":"online","chat":"conversa","away":"ausente","xa":"ausente por mais tempo","offline":"desativado","none":"nenhum","Unknown_instance_tag":"Marcação desconhecida da instância","Not_one_of_our_latest_keys":"Nenhuma de nossas ultimas chaves.","Received_an_unreadable_encrypted_message":"Mensagem encriptada ilegível foi recebida.","Online":"Online","Chatty":"Tagarela","Away":"Ausente","Extended_away":"Ausente por mais tempo","Offline":"Desativado","Friendship_request":"Pedido de amizade","Confirm":"Confirmar","Dismiss":"Ignorar","Remove":"Remover","Online_help":"Ajuda online","FN":"Nome completo","N":"  ","FAMILY":"Sobrenome","GIVEN":"Nome","NICKNAME":"Apelido","URL":"URL","ADR":"Endereço","STREET":"Rua, Av, etc","EXTADD":"Complemento","LOCALITY":"Localidade","REGION":"Região","PCODE":"CEP","CTRY":"País","TEL":"Telefone","NUMBER":"Número","EMAIL":"Email","USERID":"  ","ORG":"Empresa","ORGNAME":"Nome","ORGUNIT":"Unidade","TITLE":"Cargo","ROLE":"Rol","BDAY":"Data de nascimento","DESC":"Descrição","PHOTO":"  ","send_message":"Enviar mensagem","get_info":"Exibir informações","Settings":"Configurações","Priority":"Prioridade","Save":"Salvar","User_settings":"Configurações do usuário","A_fingerprint_":"O fingerprint é usado para certificar que a pessoa com a qual se está falando é que ela diz ser.","is":"é","Login_options":"Opções de login","BOSH_url":"BOSH URL","Domain":"Domínio","Resource":"Recurso","On_login":"Ao autenticar","Received_an_unencrypted_message":"Mensagem não encriptada recebida","Sorry_your_buddy_doesnt_provide_any_information":"Desculpe, seu contato não forneceu nenhuma informação","Info_about":"Informações sobre","Authentication_aborted":"Autenticação encerrada.","Authentication_request_received":"Pedido de autenticação recebido","Log_in_without_chat":"Entrar sem conversar","has_come_online":"ficou online","Unknown_sender":"Emissor desconhecido","Please_allow_access_to_microphone_and_camera":"Por favor clique no botão \"Permitir\" no topo, para conceder acesso ao seu microfone e câmera.","Incoming_call":"Recebendo chamada","from":"de","Do_you_want_to_accept_the_call_from":"Você aceita a chamada de","Reject":"Negar","Accept":"Aceitar","hang_up":"desligar","snapshot":"registrar imagem","mute_my_audio":"mudo","pause_my_video":"pausar vídeo","fullscreen":"tela cheia","Info":"Informações","Local_IP":"IP local","Remote_IP":"IP remoto","Local_Fingerprint":"Fingerprint local","Remote_Fingerprint":"Fingerprint remoto","Video_call_not_possible":"Chamada de vídeo impossível. Seu contato não suporta chamadas desse tipo.","Start_video_call":"Iniciar chamada de vídeo","Join_chat":null,"Join":null,"Room":"Sala","Nickname":"Apelido","left_the_building":"__nickname__ deixou o prédio","entered_the_room":"__nickname__ entrou na sala","is_now_known_as":"__oldNickname__ agora é conhecido como __newNickname__","This_room_is":"Esta sala é","muc_hidden":{"keyword":"oculto","description":"Não pode ser encontrado através de pesquisa"},"muc_membersonly":{"keyword":"apenas para membros","description":"você precisa estar na lista de membros"},"muc_moderated":{"keyword":"moderado","description":"Somente pessoas com \"voice\" podem enviar mensagens"},"muc_nonanonymous":{"keyword":null,"description":null},"muc_open":{"keyword":"abrir","description":"Todos podem entrar"},"muc_passwordprotected":{"keyword":null,"description":"você precisa fornecer a senha correta"},"muc_persistent":{"keyword":null,"description":"Não será destruída se o último ocupante tiver saído"},"muc_public":{"keyword":"público","description":null},"muc_semianonymous":{"keyword":null,"description":"Sua identificação jabber só é exposta para administradores da sala"},"muc_temporary":{"keyword":"temporário","description":"Será destruída se o último ocupante tiver saído"},"muc_unmoderated":{"keyword":"sem moderação","description":"Todos tem permissão de enviar mensagens"},"muc_unsecured":{"keyword":null,"description":"Você não precisa de senha para entrar"},"Continue":"Avançar","Server":null,"Rooms_are_loaded":"Sala carregada","Could_load_only":null,"muc_explanation":null,"You_already_joined_this_room":"Você já entrou nesta sala","This_room_will_be_closed":"Esta sala será fechada","Room_not_found_":null,"Loading_room_information":"Carregar informação da sala","Destroy":null,"Leave":null,"changed_subject_to":null,"muc_removed_kicked":null,"muc_removed_info_kicked":null,"muc_removed_banned":null,"muc_removed_info_banned":"__nickname__ foi banido da sala","muc_removed_affiliation":null,"muc_removed_info_affiliation":null,"muc_removed_membersonly":"Você foi removido da sala pois a sala foi alterada somente para membros e você não é um membro","muc_removed_info_membersonly":null,"muc_removed_shutdown":null,"Reason":"Motivo","message_not_send":null,"message_not_send_item-not-found":null,"message_not_send_forbidden":null,"message_not_send_not-acceptable":null,"This_room_has_been_closed":null,"Room_logging_is_enabled":null,"A_password_is_required":null,"You_are_not_on_the_member_list":null,"You_are_banned_from_this_room":null,"Your_desired_nickname_":null,"The_maximum_number_":null,"This_room_is_locked_":null,"You_are_not_allowed_to_create_":null,"Alert":"Alerta","Call_started":null,"Call_terminated":null,"Carbon_copy":null,"Enable":null,"jingle_reason_busy":"ocupado","jingle_reason_decline":null,"jingle_reason_success":null,"Media_failure":null,"No_local_audio_device":null,"No_local_video_device":null,"Ok":"Ok","PermissionDeniedError":"Você ou seu navegador negou permissão para acessar audio/video","Use_local_audio_device":null,"Use_local_video_device":null,"is_":"é __status__","You_received_a_message_from_an_unknown_sender_":"Você recebeu uma mensagem de um emissor desconhecido (__sender__) Você quer mostrá-los?","Your_roster_is_empty_add_":"Sua lista está vazia, adicione um  <a>novo contato</a>","onsmp_explanation_question":"Seu contato está tentando determinar se ele realmente está falando contigo. Para autenticar seu contato,  entre com a resposta e clique em Responder.","onsmp_explanation_secret":"Seu contato está tentando determinar se ele realmente está falando contigo. 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Все связанные с чаты будут закрыты.","Continue_without_chat":"Продолжить без чата","Please_wait":"Подождите…","Login_failed":"Неудачный вход в чат","Sorry_we_cant_authentikate_":"Неудачная попытка входа","Retry":"Назад","clear_history":"Очистить историю","New_message_from":"Новое сообщение от __name__","Should_we_notify_you_":"Уведомлять о новых сообщениях в будущем?","Please_accept_":"Нажмите кнопку \"Разрешить\" вверху страницы, пожалуйста","Hide_offline":"Спрятать отключенных","Show_offline":"Показать отключенных","About":"О проекте","dnd":"Не беспокоить","Mute":"Выкл. уведомления","Unmute":"Вкл. уведомления","Subscription":"Подписка","both":"оба","Status":"Статус","online":"в сети","chat":"готов общаться","away":"отошел","xa":"отсутствую","offline":"не в сети","none":"нет","Unknown_instance_tag":"Неизвестный тег.","Not_one_of_our_latest_keys":"Ни один из наших последних ключей","Received_an_unreadable_encrypted_message":"Получено нечитаемое зашифрованное сообщение","Online":"В сети","Chatty":"Готов общаться","Away":"Отошел","Extended_away":"Отсутствую","Offline":"Не в сети","Friendship_request":"Запрос на добавление в контакты","Confirm":"Подтвердить","Dismiss":"Отклонить","Remove":"Удалить","Online_help":"Онлайн помощь","FN":"Полное имя","N":null,"FAMILY":"Фамилия","GIVEN":"Имя","NICKNAME":"Ник","URL":"URL","ADR":"Адрес","STREET":"Улица","EXTADD":"Дополнительный адрес","LOCALITY":"Город","REGION":"Область","PCODE":"Индекс","CTRY":"Страна","TEL":"Телефон","NUMBER":"Номер","EMAIL":"Почта","USERID":null,"ORG":"Организация","ORGNAME":"Название","ORGUNIT":"Отдел","TITLE":"Должность","ROLE":"Обязанности","BDAY":"День рождения","DESC":"Описание","PHOTO":" Фото ","send_message":"Отправить сообщение","get_info":"Показать информацию","Settings":"Настройки","Priority":"Приоритет","Save":"Сохранить","User_settings":"Пользовательские настройки","A_fingerprint_":null,"is":"  ","Login_options":"Параметры входа","BOSH_url":"BOSH URL","Domain":"Домен","Resource":"Ресурс","On_login":"Автоматически подключаться","Received_an_unencrypted_message":"Получено незашифрованное сообщение","Sorry_your_buddy_doesnt_provide_any_information":"К сожалению, контакт не предоставил какой-либо информации.","Info_about":"Информация о","Authentication_aborted":"Аутентификация прервана.","Authentication_request_received":"Получен запрос проверки подлинности.","Log_in_without_chat":"Вход без чата","has_come_online":"появился в сети","Unknown_sender":"Неизвестный отправитель","Please_allow_access_to_microphone_and_camera":"Нажмите кнопку \"Разрешить\" вверху страницы, чтобы предоставить доступ к микрофону и камере.","Incoming_call":"Входящий вызов","from":"от","Do_you_want_to_accept_the_call_from":"Вы хотите принять вызов от","Reject":"Отклонить","Accept":"Принять","hang_up":"Завершить","snapshot":"Снимок","mute_my_audio":"Без звука","pause_my_video":"Остановить моё видео","fullscreen":"На весь экран","Info":"Инфо","Local_IP":"Мой IP","Remote_IP":"Удаленный IP","Local_Fingerprint":"Мой отпечаток","Remote_Fingerprint":"Удаленный отпечаток","Video_call_not_possible":"Видео-вызов невозможен. Ваш собеседник не поддерживает видео-вызовы.","Start_video_call":"Видео-вызов","Join_chat":"Присоединиться к комнате","Join":"Присоедениться","Room":"Комната","Nickname":"Ник","left_the_building":"__nickname__ выходит из комнаты","entered_the_room":"__nickname__  заходит в комнату","is_now_known_as":"__oldNickname__ теперь известен как __newNickname__","This_room_is":"Эта комната","muc_hidden":{"keyword":"скрыта","description":"не может быть найдена через поиск"},"muc_membersonly":{"keyword":"только для участников","description":"Вы должны быть в списке участников"},"muc_moderated":{"keyword":"модерируется","description":"Только пользователи с правом голоса могут отправлять сообщения"},"muc_nonanonymous":{"keyword":"неанонимная","description":"Ваш JID будет показан всем посетителям"},"muc_open":{"keyword":"открытая","description":"Любой пользователь может присоедениться"},"muc_passwordprotected":{"keyword":"защищена паролем","description":"Необходимо ввести правильный пароль"},"muc_persistent":{"keyword":"постоянная","description":"Не будет уничтожена, когда ее покинут все участники"},"muc_public":{"keyword":"публичная","description":"Может быть найдена через поиск"},"muc_semianonymous":{"keyword":"полу-анонимная","description":"Ваш JID могут увидеть только администраторы"},"muc_temporary":{"keyword":"временная","description":"Будет уничтожена как только не останется ни одного участника"},"muc_unmoderated":{"keyword":"не модерируется","description":"Любой посетитель может отправлять сообщения"},"muc_unsecured":{"keyword":"без пароля","description":"Не нужно вводить пароль для входа"},"Continue":"Далее","Server":"Сервер","Rooms_are_loaded":"Комнаты загружены","Could_load_only":"Подгрузка только __count__ комнат в автодополнении","muc_explanation":"Введите название комнаты, свой ник и пароль для входа в комнату","You_already_joined_this_room":"Вы уже в этой комнате","This_room_will_be_closed":"Эта комната была закрыта","Room_not_found_":"Новая комната будет создана","Loading_room_information":"Загрузка информации о комнате","Destroy":"Уничтожить","Leave":"Покинуть","changed_subject_to":"__nickname__ изменил тему комнаты на \"__subject__\"","muc_removed_kicked":"Вас выкинули из комнаты","muc_removed_info_kicked":"__nickname__ был удален из комнаты","muc_removed_banned":"Вас забанили в комнате","muc_removed_info_banned":"__nickname__ был забанен в комнате","muc_removed_affiliation":null,"muc_removed_info_affiliation":null,"muc_removed_membersonly":"Вы были исключены из комнаты, т.к. комната стала доступна только для членов комнаты, а Вы им не являетесь","muc_removed_info_membersonly":"__nickname__  исключен(а) из комнаты, т.к. комната стала доступна только для членов комнаты, а он(она) им не является","muc_removed_shutdown":"Вы были удалены из комнаты, т.к. сервис чат-комнат недоступен","Reason":"Причина","message_not_send":"Ваше сообщение не было отправлено из-за ошибки","message_not_send_item-not-found":"Ваше сообщение не было отправлено, т.к. этой комнаты не существует","message_not_send_forbidden":"Ваше сообщение не было отправлено, т.к. у Вас нет права голоса в этой комнате","message_not_send_not-acceptable":"Ваше сообщение не было отправлено, т.к. Вы не являетесь участником этой комнаты","This_room_has_been_closed":"Эта комната была закрыта","Room_logging_is_enabled":"Журналирование комнаты включено","A_password_is_required":"Необходим пароль","You_are_not_on_the_member_list":"Вы не в списке участников","You_are_banned_from_this_room":"Вас забанили в этой комнате","Your_desired_nickname_":"Данное имя пользователя уже занято, пожалуйста, выберите другое имя пользователя","The_maximum_number_":"Достигнут лимит максимального количества посетителей этой комнаты","This_room_is_locked_":"Эта комната заблокирована","You_are_not_allowed_to_create_":"Вы не можете создавать комнаты","Alert":"Внимание","Call_started":"Вызов начался","Call_terminated":"Вызов завершен","Carbon_copy":"Копировать сообщения","Enable":"Включить","jingle_reason_busy":"занято","jingle_reason_decline":"запрещено","jingle_reason_success":"сбросили","Media_failure":"Ошибка передачи медиа","No_local_audio_device":"Нет локального аудио-устройства.","No_local_video_device":"Нет локального видео-устройства.","Ok":"Ок","PermissionDeniedError":"Вы или Ваш браузер запретили использовать микрофон/камеру","Use_local_audio_device":"Использовать локальное аудио-устройство.","Use_local_video_device":"Использовать локальное видео-устройство.","is_":"__status__","You_received_a_message_from_an_unknown_sender_":"Вы получили сообщение от неизвестного отправителя (__sender__)","Your_roster_is_empty_add_":"Ваш список контактов пуст, добавить  <a>новый контакт</a>","onsmp_explanation_question":"Собеседник пытается определить, что общается действительно с Вами.","onsmp_explanation_secret":"Собеседник пытается определить, что общается действительно с Вами. введите пароль.","from_sender":"от __sender__","Verified_private_conversation_started":"Подтверждено Зашифрованный чат начат.","Unverified_private_conversation_started":"Не подтверждено Зашифрованный чат начат.","Bookmark":"Закладка","Auto-join":"Автоматически входить","Edit_bookmark":"Редактировать закладку","Room_logging_is_disabled":"Журналирование комнаты отключено","Room_is_now_non-anoymous":"Комната теперь не анонимная","Room_is_now_semi-anonymous":null,"Do_you_want_to_change_the_default_room_configuration":"Вы хотите изменить стандартную конфигурацию комнаты?","Default":"Станд.","Change":"Изменить","Send_file":"Отправить файл","setting-explanation-carbon":"С включенным Carbon Copy Ваш XMPP сервер будет отправлять копию каждого входящего сообщения на все подключенные устройства.","setting-explanation-login":"Если эта опция включена, то чат будет начинаться сразу после аутентификации.","setting-explanation-priority":"Если вы подключены к одному аккаунту с нескольких устройств, то XMPP сервер будет доставлять сообщения на клиент с наивысшим приоритетом.","setting-explanation-xmpp":"Эти настройки используются для подключения к XMPP серверу."}}};

/*!
 * Source: lib/favico.js/favico.js, license: MIT, url: https://github.com/ejci/favico.js
 */
/**
 * @license MIT
 * @fileOverview Favico animations
 * @author Miroslav Magda, http://blog.ejci.net
 * @version 0.3.10
 */

/**
 * Create new favico instance
 * @param {Object} Options
 * @return {Object} Favico object
 * @example
 * var favico = new Favico({
 *    bgColor : '#d00',
 *    textColor : '#fff',
 *    fontFamily : 'sans-serif',
 *    fontStyle : 'bold',
 *    position : 'down',
 *    type : 'circle',
 *    animation : 'slide',
 *    dataUrl: function(url){},
 *    win: top
 * });
 */
(function () {

	var Favico = (function (opt) {
		'use strict';
		opt = (opt) ? opt : {};
		var _def = {
			bgColor: '#d00',
			textColor: '#fff',
			fontFamily: 'sans-serif', //Arial,Verdana,Times New Roman,serif,sans-serif,...
			fontStyle: 'bold', //normal,italic,oblique,bold,bolder,lighter,100,200,300,400,500,600,700,800,900
			type: 'circle',
			position: 'down', // down, up, left, leftup (upleft)
			animation: 'slide',
			elementId: false,
			dataUrl: false,
			win: window
		};
		var _opt, _orig, _h, _w, _canvas, _context, _img, _ready, _lastBadge, _running, _readyCb, _stop, _browser, _animTimeout, _drawTimeout, _doc;

		_browser = {};
		_browser.ff = typeof InstallTrigger != 'undefined';
		_browser.chrome = !!window.chrome;
		_browser.opera = !!window.opera || navigator.userAgent.indexOf('Opera') >= 0;
		_browser.ie = /*@cc_on!@*/false;
		_browser.safari = Object.prototype.toString.call(window.HTMLElement).indexOf('Constructor') > 0;
		_browser.supported = (_browser.chrome || _browser.ff || _browser.opera);

		var _queue = [];
		_readyCb = function () {
		};
		_ready = _stop = false;
		/**
		 * Initialize favico
		 */
		var init = function () {
			//merge initial options
			_opt = merge(_def, opt);
			_opt.bgColor = hexToRgb(_opt.bgColor);
			_opt.textColor = hexToRgb(_opt.textColor);
			_opt.position = _opt.position.toLowerCase();
			_opt.animation = (animation.types['' + _opt.animation]) ? _opt.animation : _def.animation;

			_doc = _opt.win.document;

			var isUp = _opt.position.indexOf('up') > -1;
			var isLeft = _opt.position.indexOf('left') > -1;

			//transform animation
			if (isUp || isLeft) {
				for (var i = 0; i < animation.types['' + _opt.animation].length; i++) {
					var step = animation.types['' + _opt.animation][i];

					if (isUp) {
						if (step.y < 0.6) {
							step.y = step.y - 0.4;
						} else {
							step.y = step.y - 2 * step.y + (1 - step.w);
						}
					}

					if (isLeft) {
						if (step.x < 0.6) {
							step.x = step.x - 0.4;
						} else {
							step.x = step.x - 2 * step.x + (1 - step.h);
						}
					}

					animation.types['' + _opt.animation][i] = step;
				}
			}
			_opt.type = (type['' + _opt.type]) ? _opt.type : _def.type;

			_orig = link.getIcon();
			//create temp canvas
			_canvas = document.createElement('canvas');
			//create temp image
			_img = document.createElement('img');
			if (_orig.hasAttribute('href')) {
				_img.setAttribute('crossOrigin', 'anonymous');
				//get width/height
				_img.onload = function () {
					_h = (_img.height > 0) ? _img.height : 32;
					_w = (_img.width > 0) ? _img.width : 32;
					_canvas.height = _h;
					_canvas.width = _w;
					_context = _canvas.getContext('2d');
					icon.ready();
				};
				_img.setAttribute('src', _orig.getAttribute('href'));
			} else {
				_img.onload = function () {
					_h = 32;
					_w = 32;
					_img.height = _h;
					_img.width = _w;
					_canvas.height = _h;
					_canvas.width = _w;
					_context = _canvas.getContext('2d');
					icon.ready();
				};
				_img.setAttribute('src', '');
			}

		};
		/**
		 * Icon namespace
		 */
		var icon = {};
		/**
		 * Icon is ready (reset icon) and start animation (if ther is any)
		 */
		icon.ready = function () {
			_ready = true;
			icon.reset();
			_readyCb();
		};
		/**
		 * Reset icon to default state
		 */
		icon.reset = function () {
			//reset
			if (!_ready) {
				return;
			}
			_queue = [];
			_lastBadge = false;
			_running = false;
			_context.clearRect(0, 0, _w, _h);
			_context.drawImage(_img, 0, 0, _w, _h);
			//_stop=true;
			link.setIcon(_canvas);
			//webcam('stop');
			//video('stop');
			window.clearTimeout(_animTimeout);
			window.clearTimeout(_drawTimeout);
		};
		/**
		 * Start animation
		 */
		icon.start = function () {
			if (!_ready || _running) {
				return;
			}
			var finished = function () {
				_lastBadge = _queue[0];
				_running = false;
				if (_queue.length > 0) {
					_queue.shift();
					icon.start();
				} else {

				}
			};
			if (_queue.length > 0) {
				_running = true;
				var run = function () {
					// apply options for this animation
					['type', 'animation', 'bgColor', 'textColor', 'fontFamily', 'fontStyle'].forEach(function (a) {
						if (a in _queue[0].options) {
							_opt[a] = _queue[0].options[a];
						}
					});
					animation.run(_queue[0].options, function () {
						finished();
					}, false);
				};
				if (_lastBadge) {
					animation.run(_lastBadge.options, function () {
						run();
					}, true);
				} else {
					run();
				}
			}
		};

		/**
		 * Badge types
		 */
		var type = {};
		var options = function (opt) {
			opt.n = ((typeof opt.n) === 'number') ? Math.abs(opt.n | 0) : opt.n;
			opt.x = _w * opt.x;
			opt.y = _h * opt.y;
			opt.w = _w * opt.w;
			opt.h = _h * opt.h;
			opt.len = ("" + opt.n).length;
			return opt;
		};
		/**
		 * Generate circle
		 * @param {Object} opt Badge options
		 */
		type.circle = function (opt) {
			opt = options(opt);
			var more = false;
			if (opt.len === 2) {
				opt.x = opt.x - opt.w * 0.4;
				opt.w = opt.w * 1.4;
				more = true;
			} else if (opt.len >= 3) {
				opt.x = opt.x - opt.w * 0.65;
				opt.w = opt.w * 1.65;
				more = true;
			}
			_context.clearRect(0, 0, _w, _h);
			_context.drawImage(_img, 0, 0, _w, _h);
			_context.beginPath();
			_context.font = _opt.fontStyle + " " + Math.floor(opt.h * (opt.n > 99 ? 0.85 : 1)) + "px " + _opt.fontFamily;
			_context.textAlign = 'center';
			if (more) {
				_context.moveTo(opt.x + opt.w / 2, opt.y);
				_context.lineTo(opt.x + opt.w - opt.h / 2, opt.y);
				_context.quadraticCurveTo(opt.x + opt.w, opt.y, opt.x + opt.w, opt.y + opt.h / 2);
				_context.lineTo(opt.x + opt.w, opt.y + opt.h - opt.h / 2);
				_context.quadraticCurveTo(opt.x + opt.w, opt.y + opt.h, opt.x + opt.w - opt.h / 2, opt.y + opt.h);
				_context.lineTo(opt.x + opt.h / 2, opt.y + opt.h);
				_context.quadraticCurveTo(opt.x, opt.y + opt.h, opt.x, opt.y + opt.h - opt.h / 2);
				_context.lineTo(opt.x, opt.y + opt.h / 2);
				_context.quadraticCurveTo(opt.x, opt.y, opt.x + opt.h / 2, opt.y);
			} else {
				_context.arc(opt.x + opt.w / 2, opt.y + opt.h / 2, opt.h / 2, 0, 2 * Math.PI);
			}
			_context.fillStyle = 'rgba(' + _opt.bgColor.r + ',' + _opt.bgColor.g + ',' + _opt.bgColor.b + ',' + opt.o + ')';
			_context.fill();
			_context.closePath();
			_context.beginPath();
			_context.stroke();
			_context.fillStyle = 'rgba(' + _opt.textColor.r + ',' + _opt.textColor.g + ',' + _opt.textColor.b + ',' + opt.o + ')';
			//_context.fillText((more) ? '9+' : opt.n, Math.floor(opt.x + opt.w / 2), Math.floor(opt.y + opt.h - opt.h * 0.15));
			if ((typeof opt.n) === 'number' && opt.n > 999) {
				_context.fillText(((opt.n > 9999) ? 9 : Math.floor(opt.n / 1000)) + 'k+', Math.floor(opt.x + opt.w / 2), Math.floor(opt.y + opt.h - opt.h * 0.2));
			} else {
				_context.fillText(opt.n, Math.floor(opt.x + opt.w / 2), Math.floor(opt.y + opt.h - opt.h * 0.15));
			}
			_context.closePath();
		};
		/**
		 * Generate rectangle
		 * @param {Object} opt Badge options
		 */
		type.rectangle = function (opt) {
			opt = options(opt);
			var more = false;
			if (opt.len === 2) {
				opt.x = opt.x - opt.w * 0.4;
				opt.w = opt.w * 1.4;
				more = true;
			} else if (opt.len >= 3) {
				opt.x = opt.x - opt.w * 0.65;
				opt.w = opt.w * 1.65;
				more = true;
			}
			_context.clearRect(0, 0, _w, _h);
			_context.drawImage(_img, 0, 0, _w, _h);
			_context.beginPath();
			_context.font = _opt.fontStyle + " " + Math.floor(opt.h * (opt.n > 99 ? 0.9 : 1)) + "px " + _opt.fontFamily;
			_context.textAlign = 'center';
			_context.fillStyle = 'rgba(' + _opt.bgColor.r + ',' + _opt.bgColor.g + ',' + _opt.bgColor.b + ',' + opt.o + ')';
			_context.fillRect(opt.x, opt.y, opt.w, opt.h);
			_context.fillStyle = 'rgba(' + _opt.textColor.r + ',' + _opt.textColor.g + ',' + _opt.textColor.b + ',' + opt.o + ')';
			//_context.fillText((more) ? '9+' : opt.n, Math.floor(opt.x + opt.w / 2), Math.floor(opt.y + opt.h - opt.h * 0.15));
			if ((typeof opt.n) === 'number' && opt.n > 999) {
				_context.fillText(((opt.n > 9999) ? 9 : Math.floor(opt.n / 1000)) + 'k+', Math.floor(opt.x + opt.w / 2), Math.floor(opt.y + opt.h - opt.h * 0.2));
			} else {
				_context.fillText(opt.n, Math.floor(opt.x + opt.w / 2), Math.floor(opt.y + opt.h - opt.h * 0.15));
			}
			_context.closePath();
		};

		/**
		 * Set badge
		 */
		var badge = function (number, opts) {
			opts = ((typeof opts) === 'string' ? {
				animation: opts
			} : opts) || {};
			_readyCb = function () {
				try {
					if (typeof (number) === 'number' ? (number > 0) : (number !== '')) {
						var q = {
							type: 'badge',
							options: {
								n: number
							}
						};
						if ('animation' in opts && animation.types['' + opts.animation]) {
							q.options.animation = '' + opts.animation;
						}
						if ('type' in opts && type['' + opts.type]) {
							q.options.type = '' + opts.type;
						}
						['bgColor', 'textColor'].forEach(function (o) {
							if (o in opts) {
								q.options[o] = hexToRgb(opts[o]);
							}
						});
						['fontStyle', 'fontFamily'].forEach(function (o) {
							if (o in opts) {
								q.options[o] = opts[o];
							}
						});
						_queue.push(q);
						if (_queue.length > 100) {
							throw new Error('Too many badges requests in queue.');
						}
						icon.start();
					} else {
						icon.reset();
					}
				} catch (e) {
					throw new Error('Error setting badge. Message: ' + e.message);
				}
			};
			if (_ready) {
				_readyCb();
			}
		};

		/**
		 * Set image as icon
		 */
		var image = function (imageElement) {
			_readyCb = function () {
				try {
					var w = imageElement.width;
					var h = imageElement.height;
					var newImg = document.createElement('img');
					var ratio = (w / _w < h / _h) ? (w / _w) : (h / _h);
					newImg.setAttribute('crossOrigin', 'anonymous');
					newImg.onload=function(){
						_context.clearRect(0, 0, _w, _h);
						_context.drawImage(newImg, 0, 0, _w, _h);
						link.setIcon(_canvas);
					};
					newImg.setAttribute('src', imageElement.getAttribute('src'));
					newImg.height = (h / ratio);
					newImg.width = (w / ratio);
				} catch (e) {
					throw new Error('Error setting image. Message: ' + e.message);
				}
			};
			if (_ready) {
				_readyCb();
			}
		};
		/**
		 * Set video as icon
		 */
		var video = function (videoElement) {
			_readyCb = function () {
				try {
					if (videoElement === 'stop') {
						_stop = true;
						icon.reset();
						_stop = false;
						return;
					}
					//var w = videoElement.width;
					//var h = videoElement.height;
					//var ratio = (w / _w < h / _h) ? (w / _w) : (h / _h);
					videoElement.addEventListener('play', function () {
						drawVideo(this);
					}, false);

				} catch (e) {
					throw new Error('Error setting video. Message: ' + e.message);
				}
			};
			if (_ready) {
				_readyCb();
			}
		};
		/**
		 * Set video as icon
		 */
		var webcam = function (action) {
			//UR
			if (!window.URL || !window.URL.createObjectURL) {
				window.URL = window.URL || {};
				window.URL.createObjectURL = function (obj) {
					return obj;
				};
			}
			if (_browser.supported) {
				var newVideo = false;
				navigator.getUserMedia = navigator.getUserMedia || navigator.oGetUserMedia || navigator.msGetUserMedia || navigator.mozGetUserMedia || navigator.webkitGetUserMedia;
				_readyCb = function () {
					try {
						if (action === 'stop') {
							_stop = true;
							icon.reset();
							_stop = false;
							return;
						}
						newVideo = document.createElement('video');
						newVideo.width = _w;
						newVideo.height = _h;
						navigator.getUserMedia({
							video: true,
							audio: false
						}, function (stream) {
							newVideo.src = URL.createObjectURL(stream);
							newVideo.play();
							drawVideo(newVideo);
						}, function () {
						});
					} catch (e) {
						throw new Error('Error setting webcam. Message: ' + e.message);
					}
				};
				if (_ready) {
					_readyCb();
				}
			}

		};

		/**
		 * Draw video to context and repeat :)
		 */
		function drawVideo(video) {
			if (video.paused || video.ended || _stop) {
				return false;
			}
			//nasty hack for FF webcam (Thanks to Julian Ćwirko, kontakt@redsunmedia.pl)
			try {
				_context.clearRect(0, 0, _w, _h);
				_context.drawImage(video, 0, 0, _w, _h);
			} catch (e) {

			}
			_drawTimeout = setTimeout(function () {
				drawVideo(video);
			}, animation.duration);
			link.setIcon(_canvas);
		}

		var link = {};
		/**
		 * Get icon from HEAD tag or create a new <link> element
		 */
		link.getIcon = function () {
			var elm = false;
			//get link element
			var getLink = function () {
				var link = _doc.getElementsByTagName('head')[0].getElementsByTagName('link');
				for (var l = link.length, i = (l - 1); i >= 0; i--) {
					if ((/(^|\s)icon(\s|$)/i).test(link[i].getAttribute('rel'))) {
						return link[i];
					}
				}
				return false;
			};
			if (_opt.element) {
				elm = _opt.element;
			} else if (_opt.elementId) {
				//if img element identified by elementId
				elm = _doc.getElementById(_opt.elementId);
				elm.setAttribute('href', elm.getAttribute('src'));
			} else {
				//if link element
				elm = getLink();
				if (elm === false) {
					elm = _doc.createElement('link');
					elm.setAttribute('rel', 'icon');
					_doc.getElementsByTagName('head')[0].appendChild(elm);
				}
			}
			elm.setAttribute('type', 'image/png');
			return elm;
		};
		link.setIcon = function (canvas) {
			var url = canvas.toDataURL('image/png');
			if (_opt.dataUrl) {
				//if using custom exporter
				_opt.dataUrl(url);
			}
			if (_opt.element) {
				_opt.element.setAttribute('href', url);
				_opt.element.setAttribute('src', url);
			} else if (_opt.elementId) {
				//if is attached to element (image)
				var elm = _doc.getElementById(_opt.elementId);
				elm.setAttribute('href', url);
				elm.setAttribute('src', url);
			} else {
				//if is attached to fav icon
				if (_browser.ff || _browser.opera) {
					//for FF we need to "recreate" element, atach to dom and remove old <link>
					//var originalType = _orig.getAttribute('rel');
					var old = _orig;
					_orig = _doc.createElement('link');
					//_orig.setAttribute('rel', originalType);
					if (_browser.opera) {
						_orig.setAttribute('rel', 'icon');
					}
					_orig.setAttribute('rel', 'icon');
					_orig.setAttribute('type', 'image/png');
					_doc.getElementsByTagName('head')[0].appendChild(_orig);
					_orig.setAttribute('href', url);
					if (old.parentNode) {
						old.parentNode.removeChild(old);
					}
				} else {
					_orig.setAttribute('href', url);
				}
			}
		};

		//http://stackoverflow.com/questions/5623838/rgb-to-hex-and-hex-to-rgb#answer-5624139
		//HEX to RGB convertor
		function hexToRgb(hex) {
			var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
			hex = hex.replace(shorthandRegex, function (m, r, g, b) {
				return r + r + g + g + b + b;
			});
			var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
			return result ? {
				r: parseInt(result[1], 16),
				g: parseInt(result[2], 16),
				b: parseInt(result[3], 16)
			} : false;
		}

		/**
		 * Merge options
		 */
		function merge(def, opt) {
			var mergedOpt = {};
			var attrname;
			for (attrname in def) {
				mergedOpt[attrname] = def[attrname];
			}
			for (attrname in opt) {
				mergedOpt[attrname] = opt[attrname];
			}
			return mergedOpt;
		}

		/**
		 * Cross-browser page visibility shim
		 * http://stackoverflow.com/questions/12536562/detect-whether-a-window-is-visible
		 */
		function isPageHidden() {
			return _doc.hidden || _doc.msHidden || _doc.webkitHidden || _doc.mozHidden;
		}

		/**
		 * @namespace animation
		 */
		var animation = {};
		/**
		 * Animation "frame" duration
		 */
		animation.duration = 40;
		/**
		 * Animation types (none,fade,pop,slide)
		 */
		animation.types = {};
		animation.types.fade = [{
			x: 0.4,
			y: 0.4,
			w: 0.6,
			h: 0.6,
			o: 0.0
		}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 0.1
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 0.2
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 0.3
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 0.4
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 0.5
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 0.6
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 0.7
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 0.8
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 0.9
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 1.0
			}];
		animation.types.none = [{
			x: 0.4,
			y: 0.4,
			w: 0.6,
			h: 0.6,
			o: 1
		}];
		animation.types.pop = [{
			x: 1,
			y: 1,
			w: 0,
			h: 0,
			o: 1
		}, {
				x: 0.9,
				y: 0.9,
				w: 0.1,
				h: 0.1,
				o: 1
			}, {
				x: 0.8,
				y: 0.8,
				w: 0.2,
				h: 0.2,
				o: 1
			}, {
				x: 0.7,
				y: 0.7,
				w: 0.3,
				h: 0.3,
				o: 1
			}, {
				x: 0.6,
				y: 0.6,
				w: 0.4,
				h: 0.4,
				o: 1
			}, {
				x: 0.5,
				y: 0.5,
				w: 0.5,
				h: 0.5,
				o: 1
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 1
			}];
		animation.types.popFade = [{
			x: 0.75,
			y: 0.75,
			w: 0,
			h: 0,
			o: 0
		}, {
				x: 0.65,
				y: 0.65,
				w: 0.1,
				h: 0.1,
				o: 0.2
			}, {
				x: 0.6,
				y: 0.6,
				w: 0.2,
				h: 0.2,
				o: 0.4
			}, {
				x: 0.55,
				y: 0.55,
				w: 0.3,
				h: 0.3,
				o: 0.6
			}, {
				x: 0.50,
				y: 0.50,
				w: 0.4,
				h: 0.4,
				o: 0.8
			}, {
				x: 0.45,
				y: 0.45,
				w: 0.5,
				h: 0.5,
				o: 0.9
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 1
			}];
		animation.types.slide = [{
			x: 0.4,
			y: 1,
			w: 0.6,
			h: 0.6,
			o: 1
		}, {
				x: 0.4,
				y: 0.9,
				w: 0.6,
				h: 0.6,
				o: 1
			}, {
				x: 0.4,
				y: 0.9,
				w: 0.6,
				h: 0.6,
				o: 1
			}, {
				x: 0.4,
				y: 0.8,
				w: 0.6,
				h: 0.6,
				o: 1
			}, {
				x: 0.4,
				y: 0.7,
				w: 0.6,
				h: 0.6,
				o: 1
			}, {
				x: 0.4,
				y: 0.6,
				w: 0.6,
				h: 0.6,
				o: 1
			}, {
				x: 0.4,
				y: 0.5,
				w: 0.6,
				h: 0.6,
				o: 1
			}, {
				x: 0.4,
				y: 0.4,
				w: 0.6,
				h: 0.6,
				o: 1
			}];
		/**
		 * Run animation
		 * @param {Object} opt Animation options
		 * @param {Object} cb Callabak after all steps are done
		 * @param {Object} revert Reverse order? true|false
		 * @param {Object} step Optional step number (frame bumber)
		 */
		animation.run = function (opt, cb, revert, step) {
			var animationType = animation.types[isPageHidden() ? 'none' : _opt.animation];
			if (revert === true) {
				step = (typeof step !== 'undefined') ? step : animationType.length - 1;
			} else {
				step = (typeof step !== 'undefined') ? step : 0;
			}
			cb = (cb) ? cb : function () {
			};
			if ((step < animationType.length) && (step >= 0)) {
				type[_opt.type](merge(opt, animationType[step]));
				_animTimeout = setTimeout(function () {
					if (revert) {
						step = step - 1;
					} else {
						step = step + 1;
					}
					animation.run(opt, cb, revert, step);
				}, animation.duration);

				link.setIcon(_canvas);
			} else {
				cb();
				return;
			}
		};
		//auto init
		init();
		return {
			badge: badge,
			video: video,
			image: image,
			webcam: webcam,
			reset: icon.reset,
			browser: {
				supported: _browser.supported
			}
		};
	});

	// AMD / RequireJS
	if (typeof define !== 'undefined' && define.amd) {
		define([], function () {
			return Favico;
		});
	}
	// CommonJS
	else if (typeof module !== 'undefined' && module.exports) {
		module.exports = Favico;
	}
	// included directly via <script> tag
	else {
		this.Favico = Favico;
	}

})();


/*!
 * Source: lib/emojione/lib/js/emojione.js, license: CC-BY 4.0, url: http://emojione.com
 */
/* jshint maxerr: 10000 */
/* jslint unused: true */
/* jshint shadow: true */
/* jshint -W075 */
(function(ns){
    // this list must be ordered from largest length of the value array, index 0, to the shortest
    ns.emojioneList = {':kiss_ww:':["1f469-200d-2764-fe0f-200d-1f48b-200d-1f469","1f469-2764-1f48b-1f469"],':couplekiss_ww:':["1f469-200d-2764-fe0f-200d-1f48b-200d-1f469","1f469-2764-1f48b-1f469"],':kiss_mm:':["1f468-200d-2764-fe0f-200d-1f48b-200d-1f468","1f468-2764-1f48b-1f468"],':couplekiss_mm:':["1f468-200d-2764-fe0f-200d-1f48b-200d-1f468","1f468-2764-1f48b-1f468"],':family_mmbb:':["1f468-200d-1f468-200d-1f466-200d-1f466","1f468-1f468-1f466-1f466"],':family_mmgb:':["1f468-200d-1f468-200d-1f467-200d-1f466","1f468-1f468-1f467-1f466"],':family_mmgg:':["1f468-200d-1f468-200d-1f467-200d-1f467","1f468-1f468-1f467-1f467"],':family_mwbb:':["1f468-200d-1f469-200d-1f466-200d-1f466","1f468-1f469-1f466-1f466"],':family_mwgb:':["1f468-200d-1f469-200d-1f467-200d-1f466","1f468-1f469-1f467-1f466"],':family_mwgg:':["1f468-200d-1f469-200d-1f467-200d-1f467","1f468-1f469-1f467-1f467"],':family_wwbb:':["1f469-200d-1f469-200d-1f466-200d-1f466","1f469-1f469-1f466-1f466"],':family_wwgb:':["1f469-200d-1f469-200d-1f467-200d-1f466","1f469-1f469-1f467-1f466"],':family_wwgg:':["1f469-200d-1f469-200d-1f467-200d-1f467","1f469-1f469-1f467-1f467"],':couple_ww:':["1f469-200d-2764-fe0f-200d-1f469","1f469-2764-1f469"],':couple_with_heart_ww:':["1f469-200d-2764-fe0f-200d-1f469","1f469-2764-1f469"],':couple_mm:':["1f468-200d-2764-fe0f-200d-1f468","1f468-2764-1f468"],':couple_with_heart_mm:':["1f468-200d-2764-fe0f-200d-1f468","1f468-2764-1f468"],':family_mmb:':["1f468-200d-1f468-200d-1f466","1f468-1f468-1f466"],':family_mmg:':["1f468-200d-1f468-200d-1f467","1f468-1f468-1f467"],':family_mwg:':["1f468-200d-1f469-200d-1f467","1f468-1f469-1f467"],':family_wwb:':["1f469-200d-1f469-200d-1f466","1f469-1f469-1f466"],':family_wwg:':["1f469-200d-1f469-200d-1f467","1f469-1f469-1f467"],':eye_in_speech_bubble:':["1f441-200d-1f5e8","1f441-1f5e8"],':hash:':["0023-fe0f-20e3","0023-20e3"],':zero:':["0030-fe0f-20e3","0030-20e3"],':one:':["0031-fe0f-20e3","0031-20e3"],':two:':["0032-fe0f-20e3","0032-20e3"],':three:':["0033-fe0f-20e3","0033-20e3"],':four:':["0034-fe0f-20e3","0034-20e3"],':five:':["0035-fe0f-20e3","0035-20e3"],':six:':["0036-fe0f-20e3","0036-20e3"],':seven:':["0037-fe0f-20e3","0037-20e3"],':eight:':["0038-fe0f-20e3","0038-20e3"],':nine:':["0039-fe0f-20e3","0039-20e3"],':asterisk:':["002a-fe0f-20e3","002a-20e3"],':keycap_asterisk:':["002a-fe0f-20e3","002a-20e3"],':metal_tone5:':["1f918-1f3ff"],':sign_of_the_horns_tone5:':["1f918-1f3ff"],':metal_tone4:':["1f918-1f3fe"],':sign_of_the_horns_tone4:':["1f918-1f3fe"],':metal_tone3:':["1f918-1f3fd"],':sign_of_the_horns_tone3:':["1f918-1f3fd"],':metal_tone2:':["1f918-1f3fc"],':sign_of_the_horns_tone2:':["1f918-1f3fc"],':metal_tone1:':["1f918-1f3fb"],':sign_of_the_horns_tone1:':["1f918-1f3fb"],':bath_tone5:':["1f6c0-1f3ff"],':bath_tone4:':["1f6c0-1f3fe"],':bath_tone3:':["1f6c0-1f3fd"],':bath_tone2:':["1f6c0-1f3fc"],':bath_tone1:':["1f6c0-1f3fb"],':walking_tone5:':["1f6b6-1f3ff"],':walking_tone4:':["1f6b6-1f3fe"],':walking_tone3:':["1f6b6-1f3fd"],':walking_tone2:':["1f6b6-1f3fc"],':walking_tone1:':["1f6b6-1f3fb"],':mountain_bicyclist_tone5:':["1f6b5-1f3ff"],':mountain_bicyclist_tone4:':["1f6b5-1f3fe"],':mountain_bicyclist_tone3:':["1f6b5-1f3fd"],':mountain_bicyclist_tone2:':["1f6b5-1f3fc"],':mountain_bicyclist_tone1:':["1f6b5-1f3fb"],':bicyclist_tone5:':["1f6b4-1f3ff"],':bicyclist_tone4:':["1f6b4-1f3fe"],':bicyclist_tone3:':["1f6b4-1f3fd"],':bicyclist_tone2:':["1f6b4-1f3fc"],':bicyclist_tone1:':["1f6b4-1f3fb"],':rowboat_tone5:':["1f6a3-1f3ff"],':rowboat_tone4:':["1f6a3-1f3fe"],':rowboat_tone3:':["1f6a3-1f3fd"],':rowboat_tone2:':["1f6a3-1f3fc"],':rowboat_tone1:':["1f6a3-1f3fb"],':pray_tone5:':["1f64f-1f3ff"],':pray_tone4:':["1f64f-1f3fe"],':pray_tone3:':["1f64f-1f3fd"],':pray_tone2:':["1f64f-1f3fc"],':pray_tone1:':["1f64f-1f3fb"],':person_with_pouting_face_tone5:':["1f64e-1f3ff"],':person_with_pouting_face_tone4:':["1f64e-1f3fe"],':person_with_pouting_face_tone3:':["1f64e-1f3fd"],':person_with_pouting_face_tone2:':["1f64e-1f3fc"],':person_with_pouting_face_tone1:':["1f64e-1f3fb"],':person_frowning_tone5:':["1f64d-1f3ff"],':person_frowning_tone4:':["1f64d-1f3fe"],':person_frowning_tone3:':["1f64d-1f3fd"],':person_frowning_tone2:':["1f64d-1f3fc"],':person_frowning_tone1:':["1f64d-1f3fb"],':raised_hands_tone5:':["1f64c-1f3ff"],':raised_hands_tone4:':["1f64c-1f3fe"],':raised_hands_tone3:':["1f64c-1f3fd"],':raised_hands_tone2:':["1f64c-1f3fc"],':raised_hands_tone1:':["1f64c-1f3fb"],':raising_hand_tone5:':["1f64b-1f3ff"],':raising_hand_tone4:':["1f64b-1f3fe"],':raising_hand_tone3:':["1f64b-1f3fd"],':raising_hand_tone2:':["1f64b-1f3fc"],':raising_hand_tone1:':["1f64b-1f3fb"],':bow_tone5:':["1f647-1f3ff"],':bow_tone4:':["1f647-1f3fe"],':bow_tone3:':["1f647-1f3fd"],':bow_tone2:':["1f647-1f3fc"],':bow_tone1:':["1f647-1f3fb"],':ok_woman_tone5:':["1f646-1f3ff"],':ok_woman_tone4:':["1f646-1f3fe"],':ok_woman_tone3:':["1f646-1f3fd"],':ok_woman_tone2:':["1f646-1f3fc"],':ok_woman_tone1:':["1f646-1f3fb"],':no_good_tone5:':["1f645-1f3ff"],':no_good_tone4:':["1f645-1f3fe"],':no_good_tone3:':["1f645-1f3fd"],':no_good_tone2:':["1f645-1f3fc"],':no_good_tone1:':["1f645-1f3fb"],':vulcan_tone5:':["1f596-1f3ff"],':raised_hand_with_part_between_middle_and_ring_fingers_tone5:':["1f596-1f3ff"],':vulcan_tone4:':["1f596-1f3fe"],':raised_hand_with_part_between_middle_and_ring_fingers_tone4:':["1f596-1f3fe"],':vulcan_tone3:':["1f596-1f3fd"],':raised_hand_with_part_between_middle_and_ring_fingers_tone3:':["1f596-1f3fd"],':vulcan_tone2:':["1f596-1f3fc"],':raised_hand_with_part_between_middle_and_ring_fingers_tone2:':["1f596-1f3fc"],':vulcan_tone1:':["1f596-1f3fb"],':raised_hand_with_part_between_middle_and_ring_fingers_tone1:':["1f596-1f3fb"],':middle_finger_tone5:':["1f595-1f3ff"],':reversed_hand_with_middle_finger_extended_tone5:':["1f595-1f3ff"],':middle_finger_tone4:':["1f595-1f3fe"],':reversed_hand_with_middle_finger_extended_tone4:':["1f595-1f3fe"],':middle_finger_tone3:':["1f595-1f3fd"],':reversed_hand_with_middle_finger_extended_tone3:':["1f595-1f3fd"],':middle_finger_tone2:':["1f595-1f3fc"],':reversed_hand_with_middle_finger_extended_tone2:':["1f595-1f3fc"],':middle_finger_tone1:':["1f595-1f3fb"],':reversed_hand_with_middle_finger_extended_tone1:':["1f595-1f3fb"],':hand_splayed_tone5:':["1f590-1f3ff"],':raised_hand_with_fingers_splayed_tone5:':["1f590-1f3ff"],':hand_splayed_tone4:':["1f590-1f3fe"],':raised_hand_with_fingers_splayed_tone4:':["1f590-1f3fe"],':hand_splayed_tone3:':["1f590-1f3fd"],':raised_hand_with_fingers_splayed_tone3:':["1f590-1f3fd"],':hand_splayed_tone2:':["1f590-1f3fc"],':raised_hand_with_fingers_splayed_tone2:':["1f590-1f3fc"],':hand_splayed_tone1:':["1f590-1f3fb"],':raised_hand_with_fingers_splayed_tone1:':["1f590-1f3fb"],':spy_tone5:':["1f575-1f3ff"],':sleuth_or_spy_tone5:':["1f575-1f3ff"],':spy_tone4:':["1f575-1f3fe"],':sleuth_or_spy_tone4:':["1f575-1f3fe"],':spy_tone3:':["1f575-1f3fd"],':sleuth_or_spy_tone3:':["1f575-1f3fd"],':spy_tone2:':["1f575-1f3fc"],':sleuth_or_spy_tone2:':["1f575-1f3fc"],':spy_tone1:':["1f575-1f3fb"],':sleuth_or_spy_tone1:':["1f575-1f3fb"],':muscle_tone5:':["1f4aa-1f3ff"],':muscle_tone4:':["1f4aa-1f3fe"],':muscle_tone3:':["1f4aa-1f3fd"],':muscle_tone2:':["1f4aa-1f3fc"],':muscle_tone1:':["1f4aa-1f3fb"],':haircut_tone5:':["1f487-1f3ff"],':haircut_tone4:':["1f487-1f3fe"],':haircut_tone3:':["1f487-1f3fd"],':haircut_tone2:':["1f487-1f3fc"],':haircut_tone1:':["1f487-1f3fb"],':massage_tone5:':["1f486-1f3ff"],':massage_tone4:':["1f486-1f3fe"],':massage_tone3:':["1f486-1f3fd"],':massage_tone2:':["1f486-1f3fc"],':massage_tone1:':["1f486-1f3fb"],':nail_care_tone5:':["1f485-1f3ff"],':nail_care_tone4:':["1f485-1f3fe"],':nail_care_tone3:':["1f485-1f3fd"],':nail_care_tone2:':["1f485-1f3fc"],':nail_care_tone1:':["1f485-1f3fb"],':dancer_tone5:':["1f483-1f3ff"],':dancer_tone4:':["1f483-1f3fe"],':dancer_tone3:':["1f483-1f3fd"],':dancer_tone2:':["1f483-1f3fc"],':dancer_tone1:':["1f483-1f3fb"],':guardsman_tone5:':["1f482-1f3ff"],':guardsman_tone4:':["1f482-1f3fe"],':guardsman_tone3:':["1f482-1f3fd"],':guardsman_tone2:':["1f482-1f3fc"],':guardsman_tone1:':["1f482-1f3fb"],':information_desk_person_tone5:':["1f481-1f3ff"],':information_desk_person_tone4:':["1f481-1f3fe"],':information_desk_person_tone3:':["1f481-1f3fd"],':information_desk_person_tone2:':["1f481-1f3fc"],':information_desk_person_tone1:':["1f481-1f3fb"],':angel_tone5:':["1f47c-1f3ff"],':angel_tone4:':["1f47c-1f3fe"],':angel_tone3:':["1f47c-1f3fd"],':angel_tone2:':["1f47c-1f3fc"],':angel_tone1:':["1f47c-1f3fb"],':princess_tone5:':["1f478-1f3ff"],':princess_tone4:':["1f478-1f3fe"],':princess_tone3:':["1f478-1f3fd"],':princess_tone2:':["1f478-1f3fc"],':princess_tone1:':["1f478-1f3fb"],':construction_worker_tone5:':["1f477-1f3ff"],':construction_worker_tone4:':["1f477-1f3fe"],':construction_worker_tone3:':["1f477-1f3fd"],':construction_worker_tone2:':["1f477-1f3fc"],':construction_worker_tone1:':["1f477-1f3fb"],':baby_tone5:':["1f476-1f3ff"],':baby_tone4:':["1f476-1f3fe"],':baby_tone3:':["1f476-1f3fd"],':baby_tone2:':["1f476-1f3fc"],':baby_tone1:':["1f476-1f3fb"],':older_woman_tone5:':["1f475-1f3ff"],':grandma_tone5:':["1f475-1f3ff"],':older_woman_tone4:':["1f475-1f3fe"],':grandma_tone4:':["1f475-1f3fe"],':older_woman_tone3:':["1f475-1f3fd"],':grandma_tone3:':["1f475-1f3fd"],':older_woman_tone2:':["1f475-1f3fc"],':grandma_tone2:':["1f475-1f3fc"],':older_woman_tone1:':["1f475-1f3fb"],':grandma_tone1:':["1f475-1f3fb"],':older_man_tone5:':["1f474-1f3ff"],':older_man_tone4:':["1f474-1f3fe"],':older_man_tone3:':["1f474-1f3fd"],':older_man_tone2:':["1f474-1f3fc"],':older_man_tone1:':["1f474-1f3fb"],':man_with_turban_tone5:':["1f473-1f3ff"],':man_with_turban_tone4:':["1f473-1f3fe"],':man_with_turban_tone3:':["1f473-1f3fd"],':man_with_turban_tone2:':["1f473-1f3fc"],':man_with_turban_tone1:':["1f473-1f3fb"],':man_with_gua_pi_mao_tone5:':["1f472-1f3ff"],':man_with_gua_pi_mao_tone4:':["1f472-1f3fe"],':man_with_gua_pi_mao_tone3:':["1f472-1f3fd"],':man_with_gua_pi_mao_tone2:':["1f472-1f3fc"],':man_with_gua_pi_mao_tone1:':["1f472-1f3fb"],':person_with_blond_hair_tone5:':["1f471-1f3ff"],':person_with_blond_hair_tone4:':["1f471-1f3fe"],':person_with_blond_hair_tone3:':["1f471-1f3fd"],':person_with_blond_hair_tone2:':["1f471-1f3fc"],':person_with_blond_hair_tone1:':["1f471-1f3fb"],':bride_with_veil_tone5:':["1f470-1f3ff"],':bride_with_veil_tone4:':["1f470-1f3fe"],':bride_with_veil_tone3:':["1f470-1f3fd"],':bride_with_veil_tone2:':["1f470-1f3fc"],':bride_with_veil_tone1:':["1f470-1f3fb"],':cop_tone5:':["1f46e-1f3ff"],':cop_tone4:':["1f46e-1f3fe"],':cop_tone3:':["1f46e-1f3fd"],':cop_tone2:':["1f46e-1f3fc"],':cop_tone1:':["1f46e-1f3fb"],':woman_tone5:':["1f469-1f3ff"],':woman_tone4:':["1f469-1f3fe"],':woman_tone3:':["1f469-1f3fd"],':woman_tone2:':["1f469-1f3fc"],':woman_tone1:':["1f469-1f3fb"],':man_tone5:':["1f468-1f3ff"],':man_tone4:':["1f468-1f3fe"],':man_tone3:':["1f468-1f3fd"],':man_tone2:':["1f468-1f3fc"],':man_tone1:':["1f468-1f3fb"],':girl_tone5:':["1f467-1f3ff"],':girl_tone4:':["1f467-1f3fe"],':girl_tone3:':["1f467-1f3fd"],':girl_tone2:':["1f467-1f3fc"],':girl_tone1:':["1f467-1f3fb"],':boy_tone5:':["1f466-1f3ff"],':boy_tone4:':["1f466-1f3fe"],':boy_tone3:':["1f466-1f3fd"],':boy_tone2:':["1f466-1f3fc"],':boy_tone1:':["1f466-1f3fb"],':open_hands_tone5:':["1f450-1f3ff"],':open_hands_tone4:':["1f450-1f3fe"],':open_hands_tone3:':["1f450-1f3fd"],':open_hands_tone2:':["1f450-1f3fc"],':open_hands_tone1:':["1f450-1f3fb"],':clap_tone5:':["1f44f-1f3ff"],':clap_tone4:':["1f44f-1f3fe"],':clap_tone3:':["1f44f-1f3fd"],':clap_tone2:':["1f44f-1f3fc"],':clap_tone1:':["1f44f-1f3fb"],':thumbsdown_tone5:':["1f44e-1f3ff"],':-1_tone5:':["1f44e-1f3ff"],':thumbsdown_tone4:':["1f44e-1f3fe"],':-1_tone4:':["1f44e-1f3fe"],':thumbsdown_tone3:':["1f44e-1f3fd"],':-1_tone3:':["1f44e-1f3fd"],':thumbsdown_tone2:':["1f44e-1f3fc"],':-1_tone2:':["1f44e-1f3fc"],':thumbsdown_tone1:':["1f44e-1f3fb"],':-1_tone1:':["1f44e-1f3fb"],':thumbsup_tone5:':["1f44d-1f3ff"],':+1_tone5:':["1f44d-1f3ff"],':thumbsup_tone4:':["1f44d-1f3fe"],':+1_tone4:':["1f44d-1f3fe"],':thumbsup_tone3:':["1f44d-1f3fd"],':+1_tone3:':["1f44d-1f3fd"],':thumbsup_tone2:':["1f44d-1f3fc"],':+1_tone2:':["1f44d-1f3fc"],':thumbsup_tone1:':["1f44d-1f3fb"],':+1_tone1:':["1f44d-1f3fb"],':ok_hand_tone5:':["1f44c-1f3ff"],':ok_hand_tone4:':["1f44c-1f3fe"],':ok_hand_tone3:':["1f44c-1f3fd"],':ok_hand_tone2:':["1f44c-1f3fc"],':ok_hand_tone1:':["1f44c-1f3fb"],':wave_tone5:':["1f44b-1f3ff"],':wave_tone4:':["1f44b-1f3fe"],':wave_tone3:':["1f44b-1f3fd"],':wave_tone2:':["1f44b-1f3fc"],':wave_tone1:':["1f44b-1f3fb"],':punch_tone5:':["1f44a-1f3ff"],':punch_tone4:':["1f44a-1f3fe"],':punch_tone3:':["1f44a-1f3fd"],':punch_tone2:':["1f44a-1f3fc"],':punch_tone1:':["1f44a-1f3fb"],':point_right_tone5:':["1f449-1f3ff"],':point_right_tone4:':["1f449-1f3fe"],':point_right_tone3:':["1f449-1f3fd"],':point_right_tone2:':["1f449-1f3fc"],':point_right_tone1:':["1f449-1f3fb"],':point_left_tone5:':["1f448-1f3ff"],':point_left_tone4:':["1f448-1f3fe"],':point_left_tone3:':["1f448-1f3fd"],':point_left_tone2:':["1f448-1f3fc"],':point_left_tone1:':["1f448-1f3fb"],':point_down_tone5:':["1f447-1f3ff"],':point_down_tone4:':["1f447-1f3fe"],':point_down_tone3:':["1f447-1f3fd"],':point_down_tone2:':["1f447-1f3fc"],':point_down_tone1:':["1f447-1f3fb"],':point_up_2_tone5:':["1f446-1f3ff"],':point_up_2_tone4:':["1f446-1f3fe"],':point_up_2_tone3:':["1f446-1f3fd"],':point_up_2_tone2:':["1f446-1f3fc"],':point_up_2_tone1:':["1f446-1f3fb"],':nose_tone5:':["1f443-1f3ff"],':nose_tone4:':["1f443-1f3fe"],':nose_tone3:':["1f443-1f3fd"],':nose_tone2:':["1f443-1f3fc"],':nose_tone1:':["1f443-1f3fb"],':ear_tone5:':["1f442-1f3ff"],':ear_tone4:':["1f442-1f3fe"],':ear_tone3:':["1f442-1f3fd"],':ear_tone2:':["1f442-1f3fc"],':ear_tone1:':["1f442-1f3fb"],':lifter_tone5:':["1f3cb-1f3ff"],':weight_lifter_tone5:':["1f3cb-1f3ff"],':lifter_tone4:':["1f3cb-1f3fe"],':weight_lifter_tone4:':["1f3cb-1f3fe"],':lifter_tone3:':["1f3cb-1f3fd"],':weight_lifter_tone3:':["1f3cb-1f3fd"],':lifter_tone2:':["1f3cb-1f3fc"],':weight_lifter_tone2:':["1f3cb-1f3fc"],':lifter_tone1:':["1f3cb-1f3fb"],':weight_lifter_tone1:':["1f3cb-1f3fb"],':swimmer_tone5:':["1f3ca-1f3ff"],':swimmer_tone4:':["1f3ca-1f3fe"],':swimmer_tone3:':["1f3ca-1f3fd"],':swimmer_tone2:':["1f3ca-1f3fc"],':swimmer_tone1:':["1f3ca-1f3fb"],':horse_racing_tone5:':["1f3c7-1f3ff"],':horse_racing_tone4:':["1f3c7-1f3fe"],':horse_racing_tone3:':["1f3c7-1f3fd"],':horse_racing_tone2:':["1f3c7-1f3fc"],':horse_racing_tone1:':["1f3c7-1f3fb"],':surfer_tone5:':["1f3c4-1f3ff"],':surfer_tone4:':["1f3c4-1f3fe"],':surfer_tone3:':["1f3c4-1f3fd"],':surfer_tone2:':["1f3c4-1f3fc"],':surfer_tone1:':["1f3c4-1f3fb"],':runner_tone5:':["1f3c3-1f3ff"],':runner_tone4:':["1f3c3-1f3fe"],':runner_tone3:':["1f3c3-1f3fd"],':runner_tone2:':["1f3c3-1f3fc"],':runner_tone1:':["1f3c3-1f3fb"],':santa_tone5:':["1f385-1f3ff"],':santa_tone4:':["1f385-1f3fe"],':santa_tone3:':["1f385-1f3fd"],':santa_tone2:':["1f385-1f3fc"],':santa_tone1:'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1f911"],':nerd:':["1f913"],':nerd_face:':["1f913"],':hugging:':["1f917"],':hugging_face:':["1f917"],':rolling_eyes:':["1f644"],':face_with_rolling_eyes:':["1f644"],':thinking:':["1f914"],':thinking_face:':["1f914"],':zipper_mouth:':["1f910"],':zipper_mouth_face:':["1f910"],':thermometer_face:':["1f912"],':face_with_thermometer:':["1f912"],':head_bandage:':["1f915"],':face_with_head_bandage:':["1f915"],':robot:':["1f916"],':robot_face:':["1f916"],':lion_face:':["1f981"],':lion:':["1f981"],':unicorn:':["1f984"],':unicorn_face:':["1f984"],':scorpion:':["1f982"],':crab:':["1f980"],':turkey:':["1f983"],':cheese:':["1f9c0"],':cheese_wedge:':["1f9c0"],':hotdog:':["1f32d"],':hot_dog:':["1f32d"],':taco:':["1f32e"],':burrito:':["1f32f"],':popcorn:':["1f37f"],':champagne:':["1f37e"],':bottle_with_popping_cork:':["1f37e"],':bow_and_arrow:':["1f3f9"],':archery:':["1f3f9"],':amphora:':["1f3fa"],':place_of_worship:':["1f6d0"],':worship_symbol:':["1f6d0"],':kaaba:':["1f54b"],':mosque:':["1f54c"],':synagogue:':["1f54d"],':menorah:':["1f54e"],':prayer_beads:':["1f4ff"],':cricket:':["1f3cf"],':cricket_bat_ball:':["1f3cf"],':volleyball:':["1f3d0"],':field_hockey:':["1f3d1"],':hockey:':["1f3d2"],':ping_pong:':["1f3d3"],':table_tennis:':["1f3d3"],':badminton:':["1f3f8"],':fast_forward:':["23e9"],':rewind:':["23ea"],':arrow_double_up:':["23eb"],':arrow_double_down:':["23ec"],':alarm_clock:':["23f0"],':hourglass_flowing_sand:':["23f3"],':ophiuchus:':["26ce"],':white_check_mark:':["2705"],':fist:':["270a"],':raised_hand:':["270b"],':sparkles:':["2728"],':x:':["274c"],':negative_squared_cross_mark:':["274e"],':question:':["2753"],':grey_question:':["2754"],':grey_exclamation:':["2755"],':heavy_plus_sign:':["2795"],':heavy_minus_sign:':["2796"],':heavy_division_sign:':["2797"],':curly_loop:':["27b0"],':wavy_dash:':["3030"],':loop:':["27bf"],':cross:':["271d"],':latin_cross:':["271d"],':keyboard:':["2328"],':writing_hand:':["270d"],':track_next:':["23ed"],':next_track:':["23ed"],':track_previous:':["23ee"],':previous_track:':["23ee"],':play_pause:':["23ef"],':stopwatch:':["23f1"],':timer:':["23f2"],':timer_clock:':["23f2"],':pause_button:':["23f8"],':double_vertical_bar:':["23f8"],':stop_button:':["23f9"],':record_button:':["23fa"],':umbrella2:':["2602"],':snowman2:':["2603"],':comet:':["2604"],':shamrock:':["2618"],':skull_crossbones:':["2620"],':skull_and_crossbones:':["2620"],':radioactive:':["2622"],':radioactive_sign:':["2622"],':biohazard:':["2623"],':biohazard_sign:':["2623"],':orthodox_cross:':["2626"],':star_and_crescent:':["262a"],':peace:':["262e"],':peace_symbol:':["262e"],':yin_yang:':["262f"],':wheel_of_dharma:':["2638"],':frowning2:':["2639"],':white_frowning_face:':["2639"],':hammer_pick:':["2692"],':hammer_and_pick:':["2692"],':crossed_swords:':["2694"],':scales:':["2696"],':alembic:':["2697"],':gear:':["2699"],':atom:':["269b"],':atom_symbol:':["269b"],':fleur-de-lis:':["269c"],':coffin:':["26b0"],':urn:':["26b1"],':funeral_urn:':["26b1"],':thunder_cloud_rain:':["26c8"],':thunder_cloud_and_rain:':["26c8"],':pick:':["26cf"],':helmet_with_cross:':["26d1"],':helmet_with_white_cross:':["26d1"],':chains:':["26d3"],':shinto_shrine:':["26e9"],':mountain:':["26f0"],':beach_umbrella:':["26f1"],':umbrella_on_ground:':["26f1"],':ferry:':["26f4"],':skier:':["26f7"],':ice_skate:':["26f8"],':basketball_player:':["26f9"],':person_with_ball:':["26f9"],':star_of_david:':["2721"],':heart_exclamation:':["2763"],':heavy_heart_exclamation_mark_ornament:':["2763"]};
    // ns.shortnames = Object.keys(ns.emojioneList).map(function(emoji) {
    //     return emoji.replace(/[+]/g, "\\$&");
    // }).join('|');
    var tmpShortNames = [],
        emoji;
    for (emoji in ns.emojioneList) {
        if (!ns.emojioneList.hasOwnProperty(emoji)) continue;
        tmpShortNames.push(emoji.replace(/[+]/g, "\\$&"));
    }
    ns.shortnames = tmpShortNames.join('|');
    ns.asciiList = {
        '<3':'2764',
        '</3':'1f494',
        ':\')':'1f602',
        ':\'-)':'1f602',
        ':D':'1f603',
        ':-D':'1f603',
        '=D':'1f603',
        ':)':'1f604',
        ':-)':'1f604',
        '=]':'1f604',
        '=)':'1f604',
        ':]':'1f604',
        '\':)':'1f605',
        '\':-)':'1f605',
        '\'=)':'1f605',
        '\':D':'1f605',
        '\':-D':'1f605',
        '\'=D':'1f605',
        '>:)':'1f606',
        '>;)':'1f606',
        '>:-)':'1f606',
        '>=)':'1f606',
        ';)':'1f609',
        ';-)':'1f609',
        '*-)':'1f609',
        '*)':'1f609',
        ';-]':'1f609',
        ';]':'1f609',
        ';D':'1f609',
        ';^)':'1f609',
        '\':(':'1f613',
        '\':-(':'1f613',
        '\'=(':'1f613',
        ':*':'1f618',
        ':-*':'1f618',
        '=*':'1f618',
        ':^*':'1f618',
        '>:P':'1f61c',
        'X-P':'1f61c',
        'x-p':'1f61c',
        '>:[':'1f61e',
        ':-(':'1f61e',
        ':(':'1f61e',
        ':-[':'1f61e',
        ':[':'1f61e',
        '=(':'1f61e',
        '>:(':'1f620',
        '>:-(':'1f620',
        ':@':'1f620',
        ':\'(':'1f622',
        ':\'-(':'1f622',
        ';(':'1f622',
        ';-(':'1f622',
        '>.<':'1f623',
        'D:':'1f628',
        ':$':'1f633',
        '=$':'1f633',
        '#-)':'1f635',
        '#)':'1f635',
        '%-)':'1f635',
        '%)':'1f635',
        'X)':'1f635',
        'X-)':'1f635',
        '*\\0/*':'1f646',
        '\\0/':'1f646',
        '*\\O/*':'1f646',
        '\\O/':'1f646',
        'O:-)':'1f607',
        '0:-3':'1f607',
        '0:3':'1f607',
        '0:-)':'1f607',
        '0:)':'1f607',
        '0;^)':'1f607',
        'O:)':'1f607',
        'O;-)':'1f607',
        'O=)':'1f607',
        '0;-)':'1f607',
        'O:-3':'1f607',
        'O:3':'1f607',
        'B-)':'1f60e',
        'B)':'1f60e',
        '8)':'1f60e',
        '8-)':'1f60e',
        'B-D':'1f60e',
        '8-D':'1f60e',
        '-_-':'1f611',
        '-__-':'1f611',
        '-___-':'1f611',
        '>:\\':'1f615',
        '>:/':'1f615',
        ':-/':'1f615',
        ':-.':'1f615',
        ':/':'1f615',
        ':\\':'1f615',
        '=/':'1f615',
        '=\\':'1f615',
        ':L':'1f615',
        '=L':'1f615',
        ':P':'1f61b',
        ':-P':'1f61b',
        '=P':'1f61b',
        ':-p':'1f61b',
        ':p':'1f61b',
        '=p':'1f61b',
        ':-Þ':'1f61b',
        ':Þ':'1f61b',
        ':þ':'1f61b',
        ':-þ':'1f61b',
        ':-b':'1f61b',
        ':b':'1f61b',
        'd:':'1f61b',
        ':-O':'1f62e',
        ':O':'1f62e',
        ':-o':'1f62e',
        ':o':'1f62e',
        'O_O':'1f62e',
        '>:O':'1f62e',
        ':-X':'1f636',
        ':X':'1f636',
        ':-#':'1f636',
        ':#':'1f636',
        '=X':'1f636',
        '=x':'1f636',
        ':x':'1f636',
        ':-x':'1f636',
        '=#':'1f636'
    };
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    // javascript escapes here must be ordered from largest length to shortest
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"1f3f5","\uD83C\uDFF7":"1f3f7","\uD83D\uDCF8":"1f4f8","\uD83D\uDCFD":"1f4fd","\uD83D\uDD49":"1f549","\uD83D\uDD4A":"1f54a","\uD83D\uDD6F":"1f56f","\uD83D\uDD70":"1f570","\uD83D\uDD73":"1f573","\uD83D\uDD76":"1f576","\uD83D\uDD79":"1f579","\uD83D\uDD87":"1f587","\uD83D\uDD8A":"1f58a","\uD83D\uDD8B":"1f58b","\uD83D\uDD8C":"1f58c","\uD83D\uDD8D":"1f58d","\uD83D\uDDA5":"1f5a5","\uD83D\uDDA8":"1f5a8","\uD83D\uDDB2":"1f5b2","\uD83D\uDDBC":"1f5bc","\uD83D\uDDC2":"1f5c2","\uD83D\uDDC3":"1f5c3","\uD83D\uDDC4":"1f5c4","\uD83D\uDDD1":"1f5d1","\uD83D\uDDD2":"1f5d2","\uD83D\uDDD3":"1f5d3","\uD83D\uDDDC":"1f5dc","\uD83D\uDDDD":"1f5dd","\uD83D\uDDDE":"1f5de","\uD83D\uDDE1":"1f5e1","\uD83D\uDDE3":"1f5e3","\uD83D\uDDEF":"1f5ef","\uD83D\uDDF3":"1f5f3","\uD83D\uDDFA":"1f5fa","\uD83D\uDECC":"1f6cc","\uD83D\uDEE0":"1f6e0","\uD83D\uDEE1":"1f6e1","\uD83D\uDEE2":"1f6e2","\uD83D\uDEF0":"1f6f0","\uD83C\uDF7D":"1f37d","\uD83D\uDC41":"1f441","\uD83D\uDD74":"1f574","\uD83D\uDD75":"1f575","\uD83D\uDD90":"1f590","\uD83D\uDD95":"1f595","\uD83D\uDD96":"1f596","\uD83D\uDE41":"1f641","\uD83D\uDE42":"1f642","\uD83C\uDFD4":"1f3d4","\uD83C\uDFD5":"1f3d5","\uD83C\uDFD6":"1f3d6","\uD83C\uDFD7":"1f3d7","\uD83C\uDFD8":"1f3d8","\uD83C\uDFD9":"1f3d9","\uD83C\uDFDA":"1f3da","\uD83C\uDFDB":"1f3db","\uD83C\uDFDC":"1f3dc","\uD83C\uDFDD":"1f3dd","\uD83C\uDFDE":"1f3de","\uD83C\uDFDF":"1f3df","\uD83D\uDECB":"1f6cb","\uD83D\uDECD":"1f6cd","\uD83D\uDECE":"1f6ce","\uD83D\uDECF":"1f6cf","\uD83D\uDEE3":"1f6e3","\uD83D\uDEE4":"1f6e4","\uD83D\uDEE5":"1f6e5","\uD83D\uDEE9":"1f6e9","\uD83D\uDEEB":"1f6eb","\uD83D\uDEEC":"1f6ec","\uD83D\uDEF3":"1f6f3","\uD83C\uDFFB":"1f3fb","\uD83C\uDFFC":"1f3fc","\uD83C\uDFFD":"1f3fd","\uD83C\uDFFE":"1f3fe","\uD83C\uDFFF":"1f3ff","\uD83C\uDF24":"1f324","\uD83C\uDF25":"1f325","\uD83C\uDF26":"1f326","\uD83D\uDDB1":"1f5b1","\uD83D\uDE43":"1f643","\uD83E\uDD11":"1f911","\uD83E\uDD13":"1f913","\uD83E\uDD17":"1f917","\uD83D\uDE44":"1f644","\uD83E\uDD14":"1f914","\uD83E\uDD10":"1f910","\uD83E\uDD12":"1f912","\uD83E\uDD15":"1f915","\uD83E\uDD16":"1f916","\uD83E\uDD81":"1f981","\uD83E\uDD84":"1f984","\uD83E\uDD82":"1f982","\uD83E\uDD80":"1f980","\uD83E\uDD83":"1f983","\uD83E\uDDC0":"1f9c0","\uD83C\uDF2D":"1f32d","\uD83C\uDF2E":"1f32e","\uD83C\uDF2F":"1f32f","\uD83C\uDF7F":"1f37f","\uD83C\uDF7E":"1f37e","\uD83C\uDFF9":"1f3f9","\uD83C\uDFFA":"1f3fa","\uD83D\uDED0":"1f6d0","\uD83D\uDD4B":"1f54b","\uD83D\uDD4C":"1f54c","\uD83D\uDD4D":"1f54d","\uD83D\uDD4E":"1f54e","\uD83D\uDCFF":"1f4ff","\uD83C\uDFCF":"1f3cf","\uD83C\uDFD0":"1f3d0","\uD83C\uDFD1":"1f3d1","\uD83C\uDFD2":"1f3d2","\uD83C\uDFD3":"1f3d3","\uD83C\uDFF8":"1f3f8","\u23E9":"23e9","\u23EA":"23ea","\u23EB":"23eb","\u23EC":"23ec","\u23F0":"23f0","\u23F3":"23f3","\u26CE":"26ce","\u270A":"270a","\u270B":"270b","\u274C":"274c","\u274E":"274e","\u27B0":"27b0","\u27BF":"27bf","\u271D":"271d","\u270D":"270d","\u23ED":"23ed","\u23EE":"23ee","\u23EF":"23ef","\u23F1":"23f1","\u23F2":"23f2","\u23F8":"23f8","\u23F9":"23f9","\u23FA":"23fa","\u262A":"262a","\u262E":"262e","\u262F":"262f","\u269B":"269b","\u269C":"269c","\u26B0":"26b0","\u26B1":"26b1","\u26C8":"26c8","\u26CF":"26cf","\u26D1":"26d1","\u26D3":"26d3","\u26E9":"26e9","\u26F0":"26f0","\u26F1":"26f1","\u26F4":"26f4","\u26F7":"26f7","\u26F8":"26f8","\u26F9":"26f9"};
    ns.imagePathPNG = '//cdn.jsdelivr.net/emojione/assets/png/';
    ns.imagePathSVG = '//cdn.jsdelivr.net/emojione/assets/svg/';
    ns.imagePathSVGSprites = './../assets/sprites/emojione.sprites.svg';
    ns.imageType = 'png'; // or svg
    ns.sprites = false; // if this is true then sprite markup will be used (if SVG image type is set then you must include the SVG sprite file locally)
    ns.unicodeAlt = true; // use the unicode char as the alt attribute (makes copy and pasting the resulting text better)
    ns.ascii = false; // change to true to convert ascii smileys
    ns.cacheBustParam = '?v=2.0.1'; // you can [optionally] modify this to force browsers to refresh their cache. it will be appended to the send of the filenames

    ns.regShortNames = new RegExp("<object[^>]*>.*?<\/object>|<span[^>]*>.*?<\/span>|<(?:object|embed|svg|img|div|span|p|a)[^>]*>|("+ns.shortnames+")", "gi");
    ns.regAscii = new RegExp("<object[^>]*>.*?<\/object>|<span[^>]*>.*?<\/span>|<(?:object|embed|svg|img|div|span|p|a)[^>]*>|((\\s|^)"+ns.asciiRegexp+"(?=\\s|$|[!,.?]))", "g");
    ns.regUnicode = new RegExp("<object[^>]*>.*?<\/object>|<span[^>]*>.*?<\/span>|<(?:object|embed|svg|img|div|span|p|a)[^>]*>|("+ns.unicodeRegexp+")", "gi");
                    
    ns.toImage = function(str) {
        str = ns.unicodeToImage(str);
        str = ns.shortnameToImage(str);
        return str;
    };

    // Uses toShort to transform all unicode into a standard shortname
    // then transforms the shortname into unicode
    // This is done for standardization when converting several unicode types
    ns.unifyUnicode = function(str) {
        str = ns.toShort(str);
        str = ns.shortnameToUnicode(str);
        return str;
    };

    // Replace shortnames (:wink:) with Ascii equivalents ( ;^) )
    // Useful for systems that dont support unicode nor images
    ns.shortnameToAscii = function(str) {
        var unicode,
            // something to keep in mind here is that array flip will destroy
            // half of the ascii text "emojis" because the unicode numbers are duplicated
            // this is ok for what it's being used for
            unicodeToAscii = ns.objectFlip(ns.asciiList);

        str = str.replace(ns.regShortNames, function(shortname) {
            if( (typeof shortname === 'undefined') || (shortname === '') || (!(shortname in ns.emojioneList)) ) {
                // if the shortname doesnt exist just return the entire match
                return shortname;
            }
            else {
                unicode = ns.emojioneList[shortname][ns.emojioneList[shortname].length-1];
                if(typeof unicodeToAscii[unicode] !== 'undefined') {
                    return unicodeToAscii[unicode];
                } else {
                    return shortname;
                }
            }
        });
        return str;
    };

    // will output unicode from shortname
    // useful for sending emojis back to mobile devices
    ns.shortnameToUnicode = function(str) {
        // replace regular shortnames first
        var unicode;
        str = str.replace(ns.regShortNames, function(shortname) {
            if( (typeof shortname === 'undefined') || (shortname === '') || (!(shortname in ns.emojioneList)) ) {
                // if the shortname doesnt exist just return the entire match
                return shortname;
            }
            unicode = ns.emojioneList[shortname][0].toUpperCase();
            return ns.convert(unicode);
        });

        // if ascii smileys are turned on, then we'll replace them!
        if (ns.ascii) {

            str = str.replace(ns.regAscii, function(entire, m1, m2, m3) {
                if( (typeof m3 === 'undefined') || (m3 === '') || (!(ns.unescapeHTML(m3) in ns.asciiList)) ) {
                    // if the shortname doesnt exist just return the entire match
                    return entire;
                }

                m3 = ns.unescapeHTML(m3);
                unicode = ns.asciiList[m3].toUpperCase();
                return m2+ns.convert(unicode);
            });
        }

		return str;
    };

    ns.shortnameToImage = function(str) {
        // replace regular shortnames first
        var replaceWith,unicode,alt;
        str = str.replace(ns.regShortNames, function(shortname) {
            if( (typeof shortname === 'undefined') || (shortname === '') || (!(shortname in ns.emojioneList)) ) {
                // if the shortname doesnt exist just return the entire match
                return shortname;
            }
            else {
                unicode = ns.emojioneList[shortname][ns.emojioneList[shortname].length-1];

                // depending on the settings, we'll either add the native unicode as the alt tag, otherwise the shortname
                alt = (ns.unicodeAlt) ? ns.convert(unicode.toUpperCase()) : shortname;

                if(ns.imageType === 'png') {
                    if(ns.sprites) {
                        replaceWith = '<span class="emojione-'+unicode+'" title="'+shortname+'">'+alt+'</span>';
                    }
                    else {
                        replaceWith = '<img class="emojione" alt="'+alt+'" src="'+ns.imagePathPNG+unicode+'.png'+ns.cacheBustParam+'"/>';
                    }
                }
                else {
                    // svg
                    if(ns.sprites) {
                        replaceWith = '<svg class="emojione"><description>'+alt+'</description><use xlink:href="'+ns.imagePathSVGSprites+'#emoji-'+unicode+'"></use></svg>';
                    }
                    else {
                        replaceWith = '<object class="emojione" data="'+ns.imagePathSVG+unicode+'.svg'+ns.cacheBustParam+'" type="image/svg+xml" standby="'+alt+'">'+alt+'</object>';
                    }
                }

                return replaceWith;
            }
        });

        // if ascii smileys are turned on, then we'll replace them!
        if (ns.ascii) {

            str = str.replace(ns.regAscii, function(entire, m1, m2, m3) {
                if( (typeof m3 === 'undefined') || (m3 === '') || (!(ns.unescapeHTML(m3) in ns.asciiList)) ) {
                    // if the shortname doesnt exist just return the entire match
                    return entire;
                }

                m3 = ns.unescapeHTML(m3);
                unicode = ns.asciiList[m3];

                // depending on the settings, we'll either add the native unicode as the alt tag, otherwise the shortname
                alt = (ns.unicodeAlt) ? ns.convert(unicode.toUpperCase()) : ns.escapeHTML(m3);

                if(ns.imageType === 'png') {
                    if(ns.sprites) {
                        replaceWith = m2+'<span class="emojione-'+unicode+'" title="'+ns.escapeHTML(m3)+'">'+alt+'</span>';
                    }
                    else {
                        replaceWith = m2+'<img class="emojione" alt="'+alt+'" src="'+ns.imagePathPNG+unicode+'.png'+ns.cacheBustParam+'"/>';
                    }
                }
                else {
                    // svg
                    if(ns.sprites) {
                        replaceWith = '<svg class="emojione"><description>'+alt+'</description><use xlink:href="'+ns.imagePathSVGSprites+'#emoji-'+unicode+'"></use></svg>';
                    }
                    else {
                        replaceWith = m2+'<object class="emojione" data="'+ns.imagePathSVG+unicode+'.svg'+ns.cacheBustParam+'" type="image/svg+xml" standby="'+alt+'">'+alt+'</object>';
                    }
                }

                return replaceWith;
            });
        }

        return str;
    };

    ns.unicodeToImage = function(str) {

        var replaceWith,unicode,alt;

        if((!ns.unicodeAlt) || (ns.sprites)) {
            // if we are using the shortname as the alt tag then we need a reversed array to map unicode code point to shortnames
            var mappedUnicode = ns.mapShortToUnicode();
        }

        str = str.replace(ns.regUnicode, function(unicodeChar) {
            if( (typeof unicodeChar === 'undefined') || (unicodeChar === '') || (!(unicodeChar in ns.jsEscapeMap)) ) {
                // if the unicodeChar doesnt exist just return the entire match
                return unicodeChar;
            }
            else {
                // get the unicode codepoint from the actual char
                unicode = ns.jsEscapeMap[unicodeChar];

                // depending on the settings, we'll either add the native unicode as the alt tag, otherwise the shortname
                alt = (ns.unicodeAlt) ? ns.convert(unicode.toUpperCase()) : mappedUnicode[unicode];

                if(ns.imageType === 'png') {
                    if(ns.sprites) {
                        replaceWith = '<span class="emojione-'+unicode+'" title="'+mappedUnicode[unicode]+'">'+alt+'</span>';
                    }
                    else {
                        replaceWith = '<img class="emojione" alt="'+alt+'" src="'+ns.imagePathPNG+unicode+'.png'+ns.cacheBustParam+'"/>';
                    }
                }
                else {
                    // svg
                    if(ns.sprites) {
                        replaceWith = '<svg class="emojione"><description>'+alt+'</description><use xlink:href="'+ns.imagePathSVGSprites+'#emoji-'+unicode+'"></use></svg>';
                    }
                    else {
                        replaceWith = '<img class="emojione" alt="'+alt+'" src="'+ns.imagePathSVG+unicode+'.svg'+ns.cacheBustParam+'"/>';
                    }
                }

                return replaceWith;
            }
        });

        return str;
    };

    // super simple loop to replace all unicode emoji to shortnames
    // needs to be improved into one big replacement instead, for performance reasons
    ns.toShort = function(str) { // this is really just unicodeToShortname() but I opted for the shorthand name to match toImage()
        for (var shortcode in ns.emojioneList) {
            if (!ns.emojioneList.hasOwnProperty(shortcode)) { continue; }
            for(var i = 0, len = ns.emojioneList[shortcode].length; i < len; i++){
                var unicode = ns.emojioneList[shortcode][i];
                str = ns.replaceAll(str,ns.convert(unicode.toUpperCase()),shortcode);
            }
        }
        return str;
    };

    // for converting unicode code points and code pairs to their respective characters
    ns.convert = function(unicode) {
        if(unicode.indexOf("-") > -1) {
            var parts = [];
            var s = unicode.split('-');
            for(var i = 0; i < s.length; i++) {
                var part = parseInt(s[i], 16);
                if (part >= 0x10000 && part <= 0x10FFFF) {
                    var hi = Math.floor((part - 0x10000) / 0x400) + 0xD800;
                    var lo = ((part - 0x10000) % 0x400) + 0xDC00;
                    part = (String.fromCharCode(hi) + String.fromCharCode(lo));
                }
                else {
                    part = String.fromCharCode(part);
                }
                parts.push(part);
            }
            return parts.join('');
        }
        else {
            var s = parseInt(unicode, 16);
            if (s >= 0x10000 && s <= 0x10FFFF) {
                var hi = Math.floor((s - 0x10000) / 0x400) + 0xD800;
                var lo = ((s - 0x10000) % 0x400) + 0xDC00;
                return (String.fromCharCode(hi) + String.fromCharCode(lo));
            }
            else {
                return String.fromCharCode(s);
            }
        }
    };

    ns.escapeHTML = function (string) {
        var escaped = {
            '&' : '&amp;',
            '<' : '&lt;',
            '>' : '&gt;',
            '"' : '&quot;',
            '\'': '&#039;'
        };

        return string.replace(/[&<>"']/g, function (match) {
            return escaped[match];
        });
    };
    ns.unescapeHTML = function (string) {
        var unescaped = {
            '&amp;'  : '&',
            '&#38;'  : '&',
            '&#x26;' : '&',
            '&lt;'   : '<',
            '&#60;'  : '<',
            '&#x3C;' : '<',
            '&gt;'   : '>',
            '&#62;'  : '>',
            '&#x3E;' : '>',
            '&quot;' : '"',
            '&#34;'  : '"',
            '&#x22;' : '"',
            '&apos;' : '\'',
            '&#39;'  : '\'',
            '&#x27;' : '\''
        };

        return string.replace(/&(?:amp|#38|#x26|lt|#60|#x3C|gt|#62|#x3E|apos|#39|#x27|quot|#34|#x22);/ig, function (match) {
            return unescaped[match];
        });
    };
    ns.mapShortToUnicode = function() {
        var new_obj = {};
        for (var shortname in ns.emojioneList) {
            if (!ns.emojioneList.hasOwnProperty(shortname)) { continue; }
            for(var i = 0, len = ns.emojioneList[shortname].length; i < len; i++){
                new_obj[ns.emojioneList[shortname][i]] = shortname;
            }
        }
        return new_obj;
    };
    //reverse an object
    ns.objectFlip = function (obj) {
        var key, tmp_obj = {};

        for (key in obj) {
            if (obj.hasOwnProperty(key)) {
                tmp_obj[obj[key]] = key;
            }
        }

        return tmp_obj;
    };

    ns.escapeRegExp = function(string) {
        return string.replace(/[-[\]{}()*+?.,;:&\\^$|#\s]/g, "\\$&");
    };

    ns.replaceAll = function(string, find, replaceWith) {
        var escapedFind = ns.escapeRegExp(find);
        var search = new RegExp("<object[^>]*>.*?<\/object>|<span[^>]*>.*?<\/span>|<(?:object|embed|svg|img|div|span|p|a)[^>]*>|("+escapedFind+")", "gi");

        // callback prevents replacing anything inside of these common html tags as well as between an <object></object> tag
        var replace = function(entire, m1) {
            return ((typeof  m1 === 'undefined') || (m1 === '')) ? entire : replaceWith;
        };

        return string.replace(search,replace);
    };

}(this.emojione = this.emojione || {}));
if(typeof module === "object") module.exports = this.emojione;
