/**
  * login in as
  * @param $token
  * @return \yii\web\Response
  */
 public function actionLoginAs($token)
 {
     $model = Account::findIdentityByAccessToken($token);
     if ($model) {
         $model->removeAccessToken();
         $model->save();
         Yii::$app->user->login($model);
     }
     return $this->redirect(['index']);
 }