source/Security/Authentication/OauthLogoutSubscriber.php line 42

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  1. <?php
  4. namespace App\Security\Authentication;
  7. use KnpU\OAuth2ClientBundle\Client\ClientRegistry;
  8. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  9. use Symfony\Component\HttpFoundation\RedirectResponse;
  10. use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
  11. use Symfony\Component\Security\Http\Event\LogoutEvent;
  13. class OauthLogoutSubscriber implements EventSubscriberInterface
  14. {
  15.     private ClientRegistry $clientRegistry;
  16.     private UrlGeneratorInterface $urlGenerator;
  18.     public function __construct(ClientRegistry $clientRegistry, UrlGeneratorInterface $urlGenerator)
  19.     {
  20.         $this->clientRegistry = $clientRegistry;
  21.         $this->urlGenerator = $urlGenerator;
  22.     }
  24.     /**
  25.      * This function returns an array containing the subscribed events and the function that is called when the subscribed event is called.
  26.      * Multiple Event => functions are possible.
  27.      *
  28.      * @return array|string[]
  29.      */
  30.     public static function getSubscribedEvents(): array
  31.     {
  32.         return [
  33.             LogoutEvent::class => 'onLogoutEvent',
  34.         ];
  35.     }
  37.     /**
  38.      * This function handles the Keycloak logout event!
  39.      *
  40.      * @param LogoutEvent $event
  41.      */
  42.     public function onLogoutEvent(LogoutEvent $event)
  43.     {
  44.         $provider = $this->clientRegistry->getClient('keycloak');
  45.         $targetUrl = $this->urlGenerator->generate('dashboard', [], UrlGeneratorInterface::ABSOLUTE_URL);
  46.         $logout = $provider->getOAuth2Provider()->getLogoutUrl(["redirect_uri" => $targetUrl]);
  47.         $event->setResponse(new RedirectResponse($logout));
  48.     }
  51. }