public static function validateUserID()
 {
     $userid = isset($_SERVER['HTTP_USER_ID']) ? $_SERVER['HTTP_USER_ID'] : "";
     if (!(isset($userid) && !is_null($userid) && strlen($userid) > 0)) {
         $userid = Yii::app()->request->getParam("user_id");
     }
     if (isset($userid) && !is_null($userid) && strlen($userid) > 0) {
         return IjoyPlusServiceUtils::login($userid);
     }
     return true;
 }