public function actionIndex()
 {
     if (($role = priviledge::getRole()) == 'Admin') {
         return $this->render('index');
     } else {
         throw new ForbiddenHttpException();
     }
 }
 /**
  * Finds the User model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $id
  * @return User the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($id)
 {
     if (($role = priviledge::getRole()) == 'Admin') {
         if (($model = User::findOne($id)) !== null) {
             return $model;
         } else {
             throw new NotFoundHttpException('The requested page does not exist.');
         }
     } else {
         throw new ForbiddenHttpException();
     }
 }