Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\Core\Access;
Chris@0: 
Chris@0: use Drupal\Core\Routing\Access\AccessInterface as RoutingAccessInterface;
Chris@0: use Symfony\Component\Routing\Route;
Chris@0: 
Chris@0: /**
Chris@0:  * Allows access to routes to be controlled by an '_access' boolean parameter.
Chris@0:  */
Chris@0: class DefaultAccessCheck implements RoutingAccessInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * Checks access to the route based on the _access parameter.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\Routing\Route $route
Chris@0:    *   The route to check against.
Chris@0:    *
Chris@0:    * @return \Drupal\Core\Access\AccessResultInterface
Chris@0:    *   The access result.
Chris@0:    */
Chris@0:   public function access(Route $route) {
Chris@0:     if ($route->getRequirement('_access') === 'TRUE') {
Chris@0:       return AccessResult::allowed();
Chris@0:     }
Chris@0:     elseif ($route->getRequirement('_access') === 'FALSE') {
Chris@0:       return AccessResult::forbidden();
Chris@0:     }
Chris@0:     else {
Chris@0:       return AccessResult::neutral();
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0: }