Contains Drupal\Core\EventSubscriber\AccessSubscriber.
<?php
/**
* @file
* Contains Drupal\Core\EventSubscriber\AccessSubscriber.
*/
namespace Drupal\Core\EventSubscriber;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Drupal\Core\Routing\RoutingEvents;
use Drupal\Core\Access\AccessManager;
use Drupal\Core\Routing\RouteBuildEvent;
/**
* Access subscriber for controller requests.
*/
class AccessSubscriber implements EventSubscriberInterface {
/**
* Constructs a new AccessSubscriber.
*
* @param \Drupal\Core\Access\AccessManager $access_manager
* The access check manager that will be responsible for applying
* AccessCheckers against routes.
*/
public function __construct(AccessManager $access_manager) {
$this->accessManager = $access_manager;
}
/**
* Verifies that the current user can access the requested path.
*
* @param \Symfony\Component\HttpKernel\Event\GetResponseEvent $event
* The Event to process.
*/
public function onKernelRequestAccessCheck(GetResponseEvent $event) {
$request = $event
->getRequest();
if (!$request->attributes
->has('_route')) {
// If no Route is available it is likely a static resource and access is
// handled elsewhere.
return;
}
$this->accessManager
->check($request->attributes
->get('_route'));
}
/**
* Apply access checks to routes.
*
* @param \Drupal\Core\Routing\RouteBuildEvent $event
* The event to process.
*/
public function onRoutingRouteAlterSetAccessCheck(RouteBuildEvent $event) {
$this->accessManager
->setChecks($event
->getRouteCollection());
}
/**
* Registers the methods in this class that should be listeners.
*
* @return array
* An array of event listener definitions.
*/
static function getSubscribedEvents() {
$events[KernelEvents::REQUEST][] = array(
'onKernelRequestAccessCheck',
30,
);
// Setting very low priority to ensure access checks are run after alters.
$events[RoutingEvents::ALTER][] = array(
'onRoutingRouteAlterSetAccessCheck',
0,
);
return $events;
}
}
Name | Description |
---|---|
AccessSubscriber | Access subscriber for controller requests. |