src/EventListener/ExceptionSubscriber.php line 53

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  1. <?php
  3. namespace App\EventListener;
  5. use Twig\Environment;
  6. use Symfony\Component\HttpFoundation\Response;
  7. use Symfony\Component\HttpKernel\KernelEvents;
  8. use Symfony\Component\HttpKernel\Event\ExceptionEvent;
  9. use Symfony\Component\Security\Core\User\UserInterface;
  10. use Symfony\Component\DependencyInjection\ContainerInterface;
  11. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  12. use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
  13. use Doctrine\ORM\EntityManagerInterface;
  14. use Symfony\Component\Security\Core\Security;
  16. class ExceptionSubscriber implements EventSubscriberInterface
  17. {
  18.     private $user;
  19.     private $twig;
  20.     private $container;
  21.         private $em;
  22.         private $security;
  24.     public function __construct(Security $security,EntityManagerInterface $em,Environment $twig, ContainerInterface $container, UserInterface $user = null)
  25.     {
  26.         $this->user = $user;
  27.         $this->twig = $twig;
  28.         $this->container = $container;
  29.         $this->em = $em;
  30.             $this->security = $security;
  31.     }
  33.        public function onTerminate() {
  34.            $user = $this->security->getUser();
  36.            if ($user && !$user->isActiveNow()) {
  37.               $user->setlastActivity(new \DateTime());
  38.               $this->em->persist($user);
  39.                 $this->em->flush($user);
  40.               }
  41.         }
  43.     public static function getSubscribedEvents()
  44.     {
  45.         return [
  46.                     KernelEvents::TERMINATE => [['onTerminate', 20]],
  47.             KernelEvents::EXCEPTION => [
  48.                 ['onKernelException', 10]
  49.             ]
  50.         ];
  51.     }
  53.     public function onKernelException(ExceptionEvent $event)
  54.     {
  55.         // We only need to suppress errors in production environment
  56.         if ($this->container->get('kernel')->getEnvironment() != 'prod') {
  57.             return;
  58.         }
  60.         // @TODO: We need to take into account the response type as well (html, xml, json)
  61.         $exception = $event->getException();
  63.         if ($exception->getCode() == 403) {
  64.             // On forbidden exception, we need to either:
  65.             //         a) If user session is set, display forbidden page
  66.             //         b) If user session is not set, redirect to login page
  68.             if (!empty($this->user)) {
  69.                 $template = $this->twig->render('errors/error.html.twig', [
  70.                     'code' => 403,
  71.                     'message' => 'Access Forbidden',
  72.                     'description' => 'You are not authorized to access this page.',
  73.                 ]);
  74.     
  75.                 $event->setResponse(new Response($template, 403));
  76.             }
  77.         } else {
  78.             if ($exception instanceof NotFoundHttpException) {
  79.                 $template = $this->twig->render('errors/error.html.twig', [
  80.                     'code' => 404,
  81.                     'message' => 'Page not Found',
  82.                     'description' => 'We were not able to find the page you are looking for.',
  83.                 ]);
  84.     
  85.                 $event->setResponse(new Response($template, 404));
  86.             } else {
  87.                 $template = $this->twig->render('errors/error.html.twig', [
  88.                     'message' => 'Internal Server Error',
  89.                     'code' => 500,
  90.                     'description' => 'Something has gone wrong on the server. Please try again later.',
  91.                 ]);
  92.     
  93.                 $event->setResponse(new Response($template, 500));
  94.             }
  95.         }
  96.     }
  97. }