File: auto_decryption_context.rb

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# frozen_string_literal: true
# rubocop:todo all

# Copyright (C) 2019-2020 MongoDB Inc.
#
# 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.

module Mongo
  module Crypt

    # A Context object initialized for auto decryption
    #
    # @api private
    class AutoDecryptionContext < Context

      # Create a new AutoEncryptionContext object
      #
      # @param [ Mongo::Crypt::Handle ] mongocrypt a Handle that
      #   wraps a mongocrypt_t object used to create a new mongocrypt_ctx_t.
      # @param [ ClientEncryption::IO ] io A instance of the IO class
      #   that implements driver I/O methods required to run the
      #   state machine.
      # @param [ Hash ] command The command to be decrypted.
      def initialize(mongocrypt, io, command)
        super(mongocrypt, io)

        @command = command

        Binding.ctx_decrypt_init(self, @command)
      end
    end
  end
end