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<?php |
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namespace Kuleuven\AuthenticationBundle\Security; |
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use Kuleuven\AuthenticationBundle\Service\ShibbolethServiceProvider; |
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use Kuleuven\AuthenticationBundle\Traits\LoggerTrait; |
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use Psr\Log\LoggerAwareInterface; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpFoundation\Session\SessionInterface; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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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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use Symfony\Component\Security\Http\Event\SwitchUserEvent; |
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use Symfony\Component\Security\Http\SecurityEvents; |
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class ShibbolethSwitchUserPersistenceSubscriber implements EventSubscriberInterface, LoggerAwareInterface |
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{ |
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use LoggerTrait; |
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protected $session; |
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protected $tokenStorage; |
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protected $shibbolethServiceProvider; |
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protected $userProvider; |
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protected $userChecker; |
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protected $accessDecisionManager; |
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protected $usernameParameter; |
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protected $role; |
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protected $sessionKey; |
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protected $eventDispatcher; |
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public function __construct( |
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SessionInterface $session, |
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TokenStorageInterface $tokenStorage, |
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ShibbolethServiceProvider $shibbolethServiceProvider, |
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$sessionKey |
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) |
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{ |
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$this->session = $session; |
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$this->tokenStorage = $tokenStorage; |
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$this->shibbolethServiceProvider = $shibbolethServiceProvider; |
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$this->sessionKey = $sessionKey; |
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} |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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KernelEvents::REQUEST => [['onKernelRequest', 255]], |
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SecurityEvents::SWITCH_USER => [['onUserSwitch', 255]], |
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]; |
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} |
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public function onKernelRequest() |
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{ |
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$token = $this->tokenStorage->getToken(); |
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if (!empty($token)) { |
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return null; |
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} |
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$persistedToken = $this->session->get($this->sessionKey); |
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if (empty($persistedToken) || !$this->supportsToken($persistedToken)) { |
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return null; |
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} |
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$this->log(sprintf('Token found in session: %s', $persistedToken)); |
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$this->tokenStorage->setToken($persistedToken); |
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$this->log(sprintf('Token written to storage: %s', $persistedToken)); |
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} |
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public function onUserSwitch(SwitchUserEvent $event) |
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{ |
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if ($event instanceof ShibbolethSwitchUserEvent) { |
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if ($event->getTargetUser()->getUsername() !== $this->shibbolethServiceProvider->getUsername()) { |
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$this->session->set($this->sessionKey, $event->getToken()); |
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$this->log(sprintf('Token persisted in session for username "%s": %s', $event->getTargetUser()->getUsername(), $event->getToken())); |
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} else { |
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$this->session->remove($this->sessionKey); |
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$this->log(sprintf('Token removed from session: %s', $event->getToken())); |
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} |
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} |
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} |
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public function supportsToken(TokenInterface $token) |
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{ |
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return |
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$token instanceof KuleuvenUserToken |
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&& $token->getUsername() !== $this->shibbolethServiceProvider->getUsername(); |
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} |
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} |
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MetalArend /
authentication-bundle
