src/Subscriber/IpBannedSubscriber.php line 46

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  1. <?php
  4. namespace App\Subscriber;
  7. use App\EntityManager\UserIpBannedManager;
  8. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  9. use Symfony\Component\HttpFoundation\Response;
  10. use Symfony\Component\HttpKernel\Event\ExceptionEvent;
  11. use Symfony\Component\HttpKernel\Event\RequestEvent;
  12. use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
  13. use Symfony\Component\HttpKernel\KernelEvents;
  15. class IpBannedSubscriber implements EventSubscriberInterface
  16. {
  17.     private $twig;
  18.     private $userIpBannedManager;
  20.     public function __construct(
  21.         \Twig\Environment $twig,
  22.         UserIpBannedManager $userIpBannedManager
  23.     )
  24.     {
  25.         $this->twig = $twig;
  26.         $this->userIpBannedManager = $userIpBannedManager;
  27.     }
  29.     public function onKernelEvent(RequestEvent $event)
  30.     {
  31.         if (!$event->isMasterRequest() || $event->getRequest()->attributes->get('_route') == 'fos_js_routing_js') {
  32.             return;
  33.         }
  35.         if ($event instanceof ExceptionEvent) {
  36.             $throwable = $event->getThrowable();
  38.             // only process 404s
  39.             if (!$throwable instanceof NotFoundHttpException) {
  40.                 return;
  41.             }
  42.         }
  44.         $request = $event->getRequest();
  46.         if ($this->userIpBannedManager->checkBan($request)) {
  47.             $html = $this->twig->render('page/bannedip.html.twig', ['ip' => $request->getClientIp()]);
  48.             $response = new Response($html, 403);
  49.             $event->setResponse($response);
  50.         }
  51.     }
  53.     public static function getSubscribedEvents()
  54.     {
  55.         return [
  56.             KernelEvents::REQUEST => 'onKernelEvent',
  57.             KernelEvents::EXCEPTION => 'onKernelEvent',
  58.         ];
  59.     }
  60. }