public MaintenanceModeSubscriber::onKernelRequestMaintenance(GetResponseEvent $event)
Returns the site maintenance page if the site is offline.
Parameters
\Symfony\Component\HttpKernel\Event\GetResponseEvent $event: The event to process.
File
- core/lib/Drupal/Core/EventSubscriber/MaintenanceModeSubscriber.php, line 92
Class
- MaintenanceModeSubscriber
- Maintenance mode subscriber for controller requests.
Namespace
Drupal\Core\EventSubscriber
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | public function onKernelRequestMaintenance(GetResponseEvent $event) { $request = $event->getRequest(); $route_match = RouteMatch::createFromRequest($request); if ($this->maintenanceMode->applies($route_match)) { // Don't cache maintenance mode pages. \Drupal::service('page_cache_kill_switch')->trigger(); if (!$this->maintenanceMode->exempt($this->account)) { // Deliver the 503 page if the site is in maintenance mode and the // logged in user is not allowed to bypass it. // If the request format is not 'html' then show default maintenance // mode page else show a text/plain page with maintenance message. if ($request->getRequestFormat() !== 'html') { $response = new Response($this->getSiteMaintenanceMessage(), 503, array('Content-Type' => 'text/plain')); $event->setResponse($response); return; } drupal_maintenance_theme(); $response = $this->bareHtmlPageRenderer->renderBarePage(['#markup' => $this->getSiteMaintenanceMessage()], $this->t('Site under maintenance'), 'maintenance_page'); $response->setStatusCode(503); $event->setResponse($response); } else { // Display a message if the logged in user has access to the site in // maintenance mode. However, suppress it on the maintenance mode // settings page. if ($route_match->getRouteName() != 'system.site_maintenance_mode') { if ($this->account->hasPermission('administer site configuration')) { $this->drupalSetMessage($this->t('Operating in maintenance mode. <a href=":url">Go online.</a>', array(':url' => $this->urlGenerator->generate('system.site_maintenance_mode'))), 'status', FALSE); } else { $this->drupalSetMessage($this->t('Operating in maintenance mode.'), 'status', FALSE); } } } }} |
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