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<?php |
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namespace App\EventSubscriber; |
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use Scheb\TwoFactorBundle\Security\Authentication\Token\TwoFactorToken; |
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use SchulIT\LightSamlIdpBundle\RequestStorage\RequestStorageInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\RedirectResponse; |
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use Symfony\Component\HttpKernel\Event\RequestEvent; |
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface; |
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use Symfony\Component\Security\Core\Authentication\Token\AnonymousToken; |
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface; |
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
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/** |
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* Listener which checks whether there is a SAMLRequest pending from before login. If so, the listener redirects to the |
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* SSO controller in order to send the SAMLResponse (and redirect the user to the requested service). |
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*/ |
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class HandleSamlRequestSubscriber implements EventSubscriberInterface { |
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public function __construct(private TokenStorageInterface $tokenStorage, private RequestStorageInterface $samlRequestStorage, private UrlGeneratorInterface $urlGenerator) |
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{ |
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} |
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public function onRequest(RequestEvent $event) { |
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$request = $event->getRequest(); |
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$route = $request->get('_route'); |
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if(!$event->isMainRequest()) { |
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// prevent loops |
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return; |
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} |
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/** @var TokenInterface|null $token */ |
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$token = $this->tokenStorage->getToken(); |
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if($route === 'idp_saml') { |
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$event->stopPropagation(); // stop other events from possibly redirecting |
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} |
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if($token === null || $token->getUser() === null || $token instanceof TwoFactorToken || $route === 'idp_saml' || $route === 'show_privacy_policy') { |
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// prevent loops |
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return; |
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} |
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if($this->samlRequestStorage->has() && $event->hasResponse() === false) { |
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$response = new RedirectResponse($this->urlGenerator->generate('idp_saml')); |
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$event->setResponse($response); |
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} |
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} |
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public static function getSubscribedEvents(): array { |
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return [ |
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RequestEvent::class => ['onRequest', -5] |
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]; |
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} |
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} |
SchulIT /
idp
