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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\EventDispatcherInterface; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Event\GetResponseEvent; |
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
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use Symfony\Component\Security\Core\Role\SwitchUserRole; |
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use Symfony\Component\Security\Http\EntryPoint\AuthenticationEntryPointInterface; |
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use Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterface; |
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface; |
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use Symfony\Component\Security\Core\Exception\AuthenticationException; |
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use Symfony\Component\Security\Http\Event\InteractiveLoginEvent; |
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use Symfony\Component\Security\Http\Firewall\ListenerInterface; |
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use Symfony\Component\Security\Http\SecurityEvents; |
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class ShibbolethAuthenticationListener implements ListenerInterface, LoggerAwareInterface |
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{ |
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use LoggerTrait; |
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/** |
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* @var ShibbolethServiceProvider |
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*/ |
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protected $shibbolethServiceProvider; |
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/** |
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* @var AuthenticationManagerInterface |
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*/ |
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protected $authenticationManager; |
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/** |
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* @var AuthenticationEntryPointInterface |
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*/ |
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protected $authenticationEntryPoint; |
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/** |
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* @var TokenStorageInterface |
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*/ |
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protected $tokenStorage; |
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/** |
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* @var EventDispatcherInterface |
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*/ |
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protected $eventDispatcher; |
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/** |
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* @var array |
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*/ |
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protected $defaultRoles; |
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/** |
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* @var string |
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*/ |
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protected $providerKey; |
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public function __construct( |
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ShibbolethServiceProvider $shibbolethServiceProvider, |
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TokenStorageInterface $tokenStorage, |
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AuthenticationManagerInterface $authenticationManager, |
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AuthenticationEntryPointInterface $authenticationEntryPoint = null, |
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EventDispatcherInterface $eventDispatcher = null, |
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array $defaultRoles = [], |
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$providerKey = '' |
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) |
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{ |
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$this->shibbolethServiceProvider = $shibbolethServiceProvider; |
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$this->tokenStorage = $tokenStorage; |
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$this->providerKey = $providerKey; |
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$this->authenticationManager = $authenticationManager; |
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$this->authenticationEntryPoint = $authenticationEntryPoint; |
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$this->eventDispatcher = $eventDispatcher; |
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$this->defaultRoles = $defaultRoles; |
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} |
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public function handle(GetResponseEvent $event) |
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{ |
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$request = $event->getRequest(); |
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$attributes = $this->shibbolethServiceProvider->getAttributes(); |
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if (empty($attributes)) { |
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$this->log('Shibboleth attributes not found'); |
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return; |
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} |
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$this->log(sprintf('Shibboleth attributes found: %s', json_encode($attributes))); |
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if (!$this->shibbolethServiceProvider->isAuthenticated()) { |
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$this->log('Shibboleth has not authenticated your request.'); |
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return; |
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} |
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$username = $this->shibbolethServiceProvider->getUsername(); |
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if (empty($username)) { |
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$this->log('Username not found'); |
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return; |
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} |
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$this->log(sprintf('Username found: %s', $username)); |
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$token = $this->tokenStorage->getToken(); |
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if (!empty($token)) { |
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if ($token instanceof KuleuvenUserToken && $token->isAuthenticated()) { |
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$this->log(sprintf('Token found: %s', $token)); |
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if ($token->getUsername() === $username && count($token->getRoles()) === count($token->getUser()->getRoles())) { |
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$this->log(sprintf('Token authenticated for username "%s": %s', $username, $token)); |
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return; |
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} |
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$roles = $token->getRoles(); |
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foreach ($roles as $role) { |
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if ($role instanceof SwitchUserRole) { |
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if ($role->getSource()->getUser()->getUsername() === $username) { |
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$this->log(sprintf('Token authenticated for username "%s", impersonating "%s": %s', $username, $token->getUsername(), $token)); |
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return; |
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} |
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break; |
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} |
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} |
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} |
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} |
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try { |
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$token = new KuleuvenUserToken( |
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$username, |
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$attributes, |
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$this->providerKey, |
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$this->defaultRoles |
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); |
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$this->log(sprintf('Token created for username "%s": %s', $username, $token)); |
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$authenticationToken = $this->authenticationManager->authenticate($token); |
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if ($authenticationToken instanceof TokenInterface) { |
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$this->log(sprintf('Set authentication token: %s', $authenticationToken)); |
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$this->tokenStorage->setToken($authenticationToken); |
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if (null !== $this->eventDispatcher) { |
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$loginEvent = new InteractiveLoginEvent($request, $authenticationToken); |
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$this->log('Dispatch login event'); |
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$this->eventDispatcher->dispatch(SecurityEvents::INTERACTIVE_LOGIN, $loginEvent); |
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} |
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} elseif ($authenticationToken instanceof Response) { |
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$this->log('Using authentication token as response...'); |
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$event->setResponse($authenticationToken); |
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} |
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} catch (AuthenticationException $failed) { |
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$this->log(sprintf('Authentication request failed for username "%s": %s', $username, $failed->getMessage())); |
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$token = $this->tokenStorage->getToken(); |
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if ($token instanceof KuleuvenUserToken) { |
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$this->tokenStorage->setToken(null); |
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$this->log(sprintf('Token removed from storage', $token)); |
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} |
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try { |
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$event->setResponse($this->authenticationEntryPoint->start($request, $failed)); |
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} catch (AuthenticationException $failed) { |
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$this->log('Entry point failed, sending forbidden response...'); |
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$response = (new Response()); |
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$response->setStatusCode(Response::HTTP_FORBIDDEN); |
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$event->setResponse($response); |
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} |
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} |
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} |
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} |
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MetalArend /
authentication-bundle
