function MaintenanceModeSubscriber::onKernelRequestMaintenance

Logout users if site is in maintenance mode.

Parameters

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

File

core/modules/user/src/EventSubscriber/MaintenanceModeSubscriber.php, line 52

Class

MaintenanceModeSubscriber

Maintenance mode subscriber to log out users.

Namespace

Code

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(new RedirectResponse(Url::fromRoute('<front>')->toString()));
        }
    }
}