app/GraphQL/EventSubscriber/Security/RefreshCookieSubscriber.php line 31

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  1. <?php declare(strict_types=1);
  3. namespace Sq\GraphQL\EventSubscriber\Security;
  5. use Sq\GraphQL\Security\TokenManager;
  6. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  7. use Symfony\Component\HttpFoundation\Cookie;
  8. use Symfony\Component\HttpKernel\Event\RequestEvent;
  9. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  10. use Symfony\Component\HttpKernel\KernelEvents;
  12. class RefreshCookieSubscriber implements EventSubscriberInterface
  13. {
  14.     /** @var \Sq\GraphQL\Security\TokenManager */
  15.     private $tokenManager;
  17.     /** @var \Symfony\Component\HttpFoundation\Cookie|null */
  18.     private $cookie;
  20.     public function __construct(TokenManager $tokenManager)
  21.     {
  22.         $this->tokenManager = $tokenManager;
  23.         $this->cookie = null;
  24.     }
  26.     public function setCookie(Cookie $cookie): void
  27.     {
  28.         $this->cookie = $cookie;
  29.     }
  31.     public function checkIfRefreshCookieNeedsUpdating(RequestEvent $event): void
  32.     {
  33.         $request = $event->getRequest();
  34.         $refreshToken = $request->cookies->get(TokenManager::REFRESH_COOKIE_NAME);
  35.         if (is_string($refreshToken) && !empty($refreshToken))
  36.         {
  37.             $newRefreshCookie = $this->tokenManager->exchangeRefreshTokenForNewCookieIfExpiring($refreshToken);
  38.             if ($newRefreshCookie instanceof Cookie)
  39.             {
  40.                 $this->setCookie($newRefreshCookie);
  41.             }
  42.         }
  43.     }
  45.     public function addCookieToResponse(ResponseEvent $event): void
  46.     {
  47.         $response = $event->getResponse();
  48.         if ($this->cookie !== null)
  49.         {
  50.             $response->headers->setCookie($this->cookie);
  51.         }
  52.     }
  54.     public static function getSubscribedEvents(): iterable
  55.     {
  56.         return [
  57.             KernelEvents::REQUEST => ['checkIfRefreshCookieNeedsUpdating', 0],
  58.             KernelEvents::RESPONSE => ['addCookieToResponse', 0],
  59.         ];
  60.     }
  61. }