public function handle(GetResponseEvent $event)
 {
     $sess = \Dev::getDiscuzSession();
     if (!isset($sess->var['groupid']) && !$sess->var['groupid']) {
         return;
     }
     $token = new UserToken();
     $token->setUserId($sess->var['uid']);
     try {
         $authToken = $this->authenticationManager->authenticate($token);
         $this->securityContext->setToken($authToken);
         return;
     } catch (AuthenticationException $failed) {
         // ... you might log something here
         // To deny the authentication clear the token. This will redirect to the login page.
         // Make sure to only clear your token, not those of other authentication listeners.
         // $token = $this->securityContext->getToken();
         // if ($token instanceof WsseUserToken && $this->providerKey === $token->getProviderKey()) {
         //     $this->securityContext->setToken(null);
         // }
         // return;
         throw $failed;
     }
     // By default deny authorization
     $response = new Response();
     $response->setStatusCode(Response::HTTP_FORBIDDEN);
     $event->setResponse($response);
 }