src/EventListener/SessionIdleListener.php line 55

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  1. <?php
  3. namespace App\EventListener;
  5. use Symfony\Component\HttpFoundation\Session\Flash\FlashBag;
  6. use Symfony\Component\HttpFoundation\RedirectResponse;
  7. use Symfony\Component\HttpFoundation\Session\SessionInterface;
  8. use Symfony\Component\HttpKernel\Event\RequestEvent;
  9. use Symfony\Component\Routing\RouterInterface;
  10. use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
  11. use Symfony\Component\Security\Core\Authorization\AuthorizationChecker;
  12. use Symfony\Component\Security\Core\Authorization\Voter\AuthenticatedVoter;
  14. class SessionIdleListener
  15. {
  16.     /**
  17.      * @var int
  18.      */
  19.     private $maxIdleTime;
  21.     /**
  22.      * @var AuthorizationChecker
  23.      */
  24.     private $authChecker;
  26.     /**
  27.      * @var TokenStorageInterface
  28.      */
  29.     private $tokenStorage;
  31.     /**
  32.      * @var SessionInterface
  33.      */
  34.     protected $session;
  36.     /**
  37.      * @var RouterInterface
  38.      */
  39.     protected $router;
  41.     public function __construct(
  42.         string $maxIdleTime,
  43.         AuthorizationChecker $authChecker,
  44.         TokenStorageInterface $tokenStorage,
  45.         SessionInterface $session,
  46.         RouterInterface $router
  47.     ) {
  48.         $this->maxIdleTime = (int) $maxIdleTime;
  49.         $this->authChecker = $authChecker;
  50.         $this->tokenStorage = $tokenStorage;
  51.         $this->session = $session;
  52.         $this->router = $router;
  53.     }
  55.     public function onKernelRequest(RequestEvent $event): void
  56.     {
  57.         if (!$event->isMasterRequest()
  58.             || $this->maxIdleTime <= 0
  59.             || $this->isAuthenticatedAnonymously()) {
  60.             return;
  61.         }
  63.         $this->session->start();
  65.         if ((time() - $this->session->getMetadataBag()->getLastUsed()) <= $this->maxIdleTime) {
  66.             return;
  67.         }
  69.         $this->tokenStorage->setToken(null);
  71.         /** @var FlashBag $flashBag */
  72.         $flashBag = $this->session->getBag('flashes');
  73.         $flashBag->set('info', "Vous avez été déconnecté pour cause d'inactivité.");
  75.         $this->session->invalidate();
  77.         $event->setResponse(new RedirectResponse($this->router->generate('app_login')));
  78.     }
  80.     private function isAuthenticatedAnonymously(): bool
  81.     {
  82.         return !$this->tokenStorage->getToken()
  83.             || !$this->authChecker->isGranted(AuthenticatedVoter::IS_AUTHENTICATED_FULLY);
  84.     }
  85. }