Method: Mongo::Auth::ScramConversationBase#continue

Defined in:
lib/mongo/auth/scram_conversation_base.rb

#continue(reply_document, connection) ⇒ Protocol::Message

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Continue the SCRAM conversation. This sends the client final message to the server after setting the reply from the previous server communication.

Parameters:

  • reply_document (BSON::Document) —

    The reply document of the previous message.

  • connection (Server::Connection) —

    The connection being authenticated.

Returns:

Since:

  • 2.0.0



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# File 'lib/mongo/auth/scram_conversation_base.rb', line 73

def continue(reply_document, connection)
  @id = reply_document['conversationId']
  payload_data = reply_document['payload'].data
  parsed_data = parse_payload(payload_data)
  @server_nonce = parsed_data.fetch('r')
  @salt = Base64.strict_decode64(parsed_data.fetch('s'))
  @iterations = parsed_data.fetch('i').to_i.tap do |i|
    if i < MIN_ITER_COUNT
      raise Error::InsufficientIterationCount.new(
        Error::InsufficientIterationCount.message(MIN_ITER_COUNT, i))
    end
  end
  @auth_message = "#{first_bare},#{payload_data},#{without_proof}"

  validate_server_nonce!

  selector = CLIENT_CONTINUE_MESSAGE.merge(
    payload: client_final_message,
    conversationId: id,
  )
  build_message(connection, user.auth_source, selector)
end