#
# Author:: Xabier de Zuazo (<xabier@onddo.com>)
# Copyright:: Copyright (c) 2014 Onddo Labs, SL.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

class Chef::EncryptedDataBagItem

  class EncryptedDataBagRequirementsFailure < StandardError
  end

  module Assertions

    def assert_requirements_met!
      unless OpenSSL::Cipher.method_defined?(:auth_data=)
        raise EncryptedDataBagRequirementsFailure, "The used Encrypted Data Bags version requires Ruby >= 2.0"
      end
      unless OpenSSL::Cipher.ciphers.include?(algorithm)
        raise EncryptedDataBagRequirementsFailure, "The used Encrypted Data Bags version requires an OpenSSL version with \"#{algorithm}\" algorithm support"
      end
    end

  end

end
