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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\Module\casserver\Controller; |
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use SimpleSAML\Auth\Simple; |
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use SimpleSAML\Configuration; |
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use SimpleSAML\HTTP\RunnableResponse; |
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use SimpleSAML\Logger; |
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use SimpleSAML\Module; |
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use SimpleSAML\Module\casserver\Cas\Factories\TicketFactory; |
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use SimpleSAML\Module\casserver\Cas\Ticket\TicketStore; |
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use SimpleSAML\Module\casserver\Controller\Traits\UrlTrait; |
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use SimpleSAML\Session; |
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use SimpleSAML\Utils; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\Attribute\AsController; |
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use Symfony\Component\HttpKernel\Attribute\MapQueryParameter; |
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#[AsController] |
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class LogoutController |
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{ |
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use UrlTrait; |
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/** @var Logger */ |
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protected Logger $logger; |
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/** @var Configuration */ |
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protected Configuration $casConfig; |
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/** @var TicketFactory */ |
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protected TicketFactory $ticketFactory; |
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/** @var Simple */ |
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protected Simple $authSource; |
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/** @var Utils\HTTP */ |
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protected Utils\HTTP $httpUtils; |
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/** @var TicketStore */ |
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protected TicketStore $ticketStore; |
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/** |
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* @param Configuration $sspConfig |
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* @param Configuration|null $casConfig |
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* @param Simple|null $source |
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* @param Utils\HTTP|null $httpUtils |
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* |
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* @throws \Exception |
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*/ |
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public function __construct( |
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private readonly Configuration $sspConfig, |
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// Facilitate testing |
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Configuration $casConfig = null, |
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Simple $source = null, |
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Utils\HTTP $httpUtils = null, |
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) { |
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// We are using this work around in order to bypass Symfony's autowiring for cas configuration. Since |
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// the configuration class is the same, it loads the ssp configuration twice. Still, we need the constructor |
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// argument in order to facilitate testin. |
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$this->casConfig = ($casConfig === null || $casConfig === $sspConfig) |
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? Configuration::getConfig('module_casserver.php') : $casConfig; |
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$this->authSource = $source ?? new Simple($this->casConfig->getValue('authsource')); |
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$this->httpUtils = $httpUtils ?? new Utils\HTTP(); |
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/* Instantiate ticket factory */ |
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$this->ticketFactory = new TicketFactory($this->casConfig); |
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/* Instantiate ticket store */ |
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$ticketStoreConfig = $this->casConfig->getOptionalValue( |
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'ticketstore', |
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['class' => 'casserver:FileSystemTicketStore'], |
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); |
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$ticketStoreClass = Module::resolveClass($ticketStoreConfig['class'], 'Cas\Ticket'); |
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$this->ticketStore = new $ticketStoreClass($this->casConfig); |
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} |
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/** |
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* |
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* @param Request $request |
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* @param string|null $url |
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* |
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* @return RunnableResponse |
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*/ |
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public function logout( |
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Request $request, |
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#[MapQueryParameter] ?string $url = null, |
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): RunnableResponse { |
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if (!$this->casConfig->getOptionalValue('enable_logout', false)) { |
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$this->handleExceptionThrown('Logout not allowed'); |
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} |
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// Skip Logout Page configuration |
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$skipLogoutPage = $this->casConfig->getOptionalValue('skip_logout_page', false); |
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if ($skipLogoutPage && $url === null) { |
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$this->handleExceptionThrown('Required URL query parameter [url] not provided. (CAS Server)'); |
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} |
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// Construct the logout redirect url |
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if ($skipLogoutPage) { |
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$logoutRedirectUrl = $url; |
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$params = []; |
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} else { |
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$logoutRedirectUrl = Module::getModuleURL('casserver/loggedOut'); |
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$params = $url === null ? [] |
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: ['url' => $url]; |
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} |
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// Delete the ticket from the session |
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$session = $this->getSession(); |
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if ($session !== null) { |
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$this->ticketStore->deleteTicket($session->getSessionId()); |
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} |
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// Redirect |
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if (!$this->authSource->isAuthenticated()) { |
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return new RunnableResponse([$this->httpUtils, 'redirectTrustedURL'], [$logoutRedirectUrl, $params]); |
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} |
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// Logout and redirect |
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return new RunnableResponse( |
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[$this->authSource, 'logout'], |
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[$logoutRedirectUrl], |
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); |
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} |
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/** |
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* @return TicketStore |
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*/ |
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public function getTicketStore(): TicketStore |
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{ |
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return $this->ticketStore; |
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} |
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/** |
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* @param string $message |
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* |
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* @return void |
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*/ |
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protected function handleExceptionThrown(string $message): void |
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{ |
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Logger::debug('casserver:' . $message); |
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throw new \RuntimeException($message); |
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} |
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/** |
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* Get the Session |
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* |
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* @return Session|null |
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*/ |
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protected function getSession(): ?Session |
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{ |
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return Session::getSession(); |
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} |
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} |
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simplesamlphp /
simplesamlphp-module-casserver
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