protected function executePostRequest(Gpf_Rpc_Params $params)
 {
     $authService = new Gpf_Auth_Service();
     return $authService->authenticate($params);
 }
 /**
  * @service
  * @anonym
  * @param $username
  * @param $password
  * @param $accountId
  * @param $rememberMe
  * @param $language
  * @return Gpf_Rpc_Serializable
  */
 public function authenticate(Gpf_Rpc_Params $params)
 {
     $loginForm = new Gpf_Rpc_Form($params);
     $this->remoteApiVersion = $loginForm->getFieldValue('apiVersion');
     return parent::authenticate($params);
 }