Check that the given route has access to child routes.

Parameters

\Drupal\Core\Menu\MenuLinkInterface $link: The menu link.

\Drupal\Core\Session\AccountInterface $account: The account.

Return value

\Drupal\Core\Access\AccessResultInterface The access result.

File

core/modules/system/src/Access/SystemAdminMenuBlockAccessCheck.php, line 93

Class

SystemAdminMenuBlockAccessCheck

Access check for routes implementing _access_admin_menu_block_page.

Namespace

Drupal\system\Access

Code

protected function hasAccessToChildMenuItems(MenuLinkInterface $link, AccountInterface $account) : AccessResultInterface {
  $parameters = new MenuTreeParameters();
  $parameters->setRoot($link->getPluginId())
    ->excludeRoot()
    ->setTopLevelOnly()
    ->onlyEnabledLinks();
  $route = $this->router
    ->getRouteCollection()
    ->get($link->getRouteName());
  if ($route && empty($route->getRequirement('_access_admin_menu_block_page')) && empty($route->getRequirement('_access_admin_overview_page'))) {
    return AccessResult::allowed();
  }
  foreach ($this->menuLinkTree
    ->load(NULL, $parameters) as $element) {
    if (!$this->accessManager
      ->checkNamedRoute($element->link
      ->getRouteName(), $element->link
      ->getRouteParameters(), $account)) {
      continue;
    }
    // If access is allowed to this element in the tree, check for access to
    // any of its own children.
    if ($this->hasAccessToChildMenuItems($element->link, $account)
      ->isAllowed()) {
      return AccessResult::allowed();
    }
  }
  return AccessResult::neutral();
}

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