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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\user\EventSubscriber\MaintenanceModeSubscriber. | |
| */ | |
| namespace Drupal\user\EventSubscriber; | |
| use Drupal\Core\Routing\RouteMatch; | |
| use Drupal\Core\Routing\UrlGeneratorTrait; | |
| use Drupal\Core\Session\AccountInterface; | |
| use Drupal\Core\Site\MaintenanceModeInterface; | |
| use Symfony\Component\EventDispatcher\EventSubscriberInterface; | |
| use Symfony\Component\HttpKernel\Event\GetResponseEvent; | |
| use Symfony\Component\HttpKernel\KernelEvents; | |
| /** | |
| * Maintenance mode subscriber to logout users. | |
| */ | |
| class MaintenanceModeSubscriber implements EventSubscriberInterface { | |
| use UrlGeneratorTrait; | |
| /** | |
| * The maintenance mode. | |
| * | |
| * @var \Drupal\Core\Site\MaintenanceMode | |
| */ | |
| protected $maintenanceMode; | |
| /** | |
| * The current account. | |
| * | |
| * @var \Drupal\Core\Session\AccountInterface | |
| */ | |
| protected $account; | |
| /** | |
| * Constructs a new MaintenanceModeSubscriber. | |
| * | |
| * @param \Drupal\Core\Site\MaintenanceModeInterface $maintenance_mode | |
| * The maintenance mode. | |
| * @param \Drupal\Core\Session\AccountInterface $account | |
| * The current user. | |
| */ | |
| public function __construct(MaintenanceModeInterface $maintenance_mode, AccountInterface $account) { | |
| $this->maintenanceMode = $maintenance_mode; | |
| $this->account = $account; | |
| } | |
| /** | |
| * Logout users if site is in maintenance mode. | |
| * | |
| * @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event | |
| * The event to process. | |
| */ | |
| public function onKernelRequestMaintenance(GetResponseEvent $event) { | |
| $request = $event->getRequest(); | |
| $route_match = RouteMatch::createFromRequest($request); | |
| if ($this->maintenanceMode->applies($route_match)) { | |
| // If the site is offline, log out unprivileged users. | |
| if ($this->account->isAuthenticated() && !$this->maintenanceMode->exempt($this->account)) { | |
| user_logout(); | |
| // Redirect to homepage. | |
| $event->setResponse($this->redirect($this->url('<front>'))); | |
| } | |
| } | |
| } | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public static function getSubscribedEvents() { | |
| $events[KernelEvents::REQUEST][] = ['onKernelRequestMaintenance', 31]; | |
| return $events; | |
| } | |
| } |