public function AccessManager::checkNamedRoute in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Access/AccessManager.php \Drupal\Core\Access\AccessManager::checkNamedRoute()

Checks a named route with parameters against applicable access check services.

Determines whether the route is accessible or not.

Parameters

string $route_name: The route to check access to.

array $parameters: Optional array of values to substitute into the route path pattern.

\Drupal\Core\Session\AccountInterface $account: (optional) Run access checks for this account. Defaults to the current user.

bool $return_as_object: (optional) Defaults to FALSE.

Return value

bool|\Drupal\Core\Access\AccessResultInterface The access result. Returns a boolean if $return_as_object is FALSE (this is the default) and otherwise an AccessResultInterface object. When a boolean is returned, the result of AccessInterface::isAllowed() is returned, i.e. TRUE means access is explicitly allowed, FALSE means access is either explicitly forbidden or "no opinion".

Overrides AccessManagerInterface::checkNamedRoute

File

core/lib/Drupal/Core/Access/AccessManager.php, line 81

Class

AccessManager

Attaches access check services to routes and runs them on request.

Namespace

Drupal\Core\Access

Code

public function checkNamedRoute($route_name, array $parameters = [], AccountInterface $account = NULL, $return_as_object = FALSE) {
  try {
    $route = $this->routeProvider
      ->getRouteByName($route_name);

    // ParamConverterManager relies on the route name and object being
    // available from the parameters array.
    $parameters[RouteObjectInterface::ROUTE_NAME] = $route_name;
    $parameters[RouteObjectInterface::ROUTE_OBJECT] = $route;
    $upcasted_parameters = $this->paramConverterManager
      ->convert($parameters + $route
      ->getDefaults());
    $route_match = new RouteMatch($route_name, $route, $upcasted_parameters, $parameters);
    return $this
      ->check($route_match, $account, NULL, $return_as_object);
  } catch (RouteNotFoundException $e) {

    // Cacheable until extensions change.
    $result = AccessResult::forbidden()
      ->addCacheTags([
      'config:core.extension',
    ]);
    return $return_as_object ? $result : $result
      ->isAllowed();
  } catch (ParamNotConvertedException $e) {

    // Uncacheable because conversion of the parameter may not have been
    // possible due to dynamic circumstances.
    $result = AccessResult::forbidden()
      ->setCacheMaxAge(0);
    return $return_as_object ? $result : $result
      ->isAllowed();
  }
}