function MaintenanceModeSubscriber::onMaintenanceModeRequest

Returns response when site is in maintenance mode and user is not exempt.

Parameters

\Symfony\Component\HttpKernel\Event\RequestEvent $event: The event to process.

File

core/lib/Drupal/Core/EventSubscriber/MaintenanceModeSubscriber.php, line 155

Class

MaintenanceModeSubscriber

Maintenance mode subscriber for controller requests.

Namespace

Code

public function onMaintenanceModeRequest(RequestEvent $event) {
  $request = $event->getRequest();
  if ($request->getRequestFormat() !== 'html') {
    $response = new Response($this->maintenanceMode
      ->getSiteMaintenanceMessage(), 503, [
      'Content-Type' => 'text/plain',
    ]);
    // Calling RequestEvent::setResponse() also stops propagation of event.
    $event->setResponse($response);
    return;
  }
  drupal_maintenance_theme();
  $response = $this->bareHtmlPageRenderer
    ->renderBarePage([
    '#markup' => $this->maintenanceMode
      ->getSiteMaintenanceMessage(),
  ], $this->t('Site under maintenance'), 'maintenance_page');
  $response->setStatusCode(503);
  // Calling RequestEvent::setResponse() also stops propagation of the event.
  $event->setResponse($response);
}