yaffs.net Git - yaffs-website/blob - web/modules/contrib/redirect/src/RedirectChecker.php

   1 <?php
   2
   3 namespace Drupal\redirect;
   4
   5 use Drupal\Core\Access\AccessManager;
   6 use Drupal\Core\Config\ConfigFactoryInterface;
   7 use Drupal\Core\Session\AccountInterface;
   8 use Drupal\Core\State\StateInterface;
   9 use Symfony\Cmf\Component\Routing\RouteObjectInterface;
  10 use Symfony\Cmf\Component\Routing\RouteProviderInterface;
  11 use Symfony\Component\HttpFoundation\Request;
  12
  13 /**
  14  * Redirect checker class.
  15  */
  16 class RedirectChecker {
  17
  18   /**
  19    * @var \Drupal\Core\Config\Config
  20    */
  21   protected $config;
  22
  23   /**
  24    * @var \Drupal\Core\State\StateInterface
  25    */
  26   protected $state;
  27
  28   /**
  29    * @var \Drupal\Core\Access\AccessManager
  30    */
  31   protected $accessManager;
  32
  33   /**
  34    * @var \Drupal\Core\Session\AccountInterface
  35    */
  36   protected $account;
  37
  38   /**
  39    * @var \Drupal\Core\Routing\RouteProviderInterface
  40    */
  41   protected $routeProvider;
  42
  43   public function __construct(ConfigFactoryInterface $config, StateInterface $state, AccessManager $access_manager, AccountInterface $account, RouteProviderInterface $route_provider) {
  44     $this->config = $config->get('redirect.settings');
  45     $this->accessManager = $access_manager;
  46     $this->state = $state;
  47     $this->account = $account;
  48     $this->routeProvider = $route_provider;
  49   }
  50
  51   /**
  52    * Determines if redirect may be performed.
  53    *
  54    * @param Request $request
  55    *   The current request object.
  56    * @param string $route_name
  57    *   The current route name.
  58    *
  59    * @return bool
  60    *   TRUE if redirect may be performed.
  61    */
  62   public function canRedirect(Request $request, $route_name = NULL) {
  63     $can_redirect = TRUE;
  64     if (isset($route_name)) {
  65       $route = $this->routeProvider->getRouteByName($route_name);
  66       if ($this->config->get('access_check')) {
  67         // Do not redirect if is a protected page.
  68         $can_redirect = $this->accessManager->checkNamedRoute($route_name, [], $this->account);
  69       }
  70     }
  71     else {
  72       $route = $request->attributes->get(RouteObjectInterface::ROUTE_OBJECT);
  73     }
  74
  75     if (!preg_match('/index\.php$/', $request->getScriptName())) {
  76       // Do not redirect if the root script is not /index.php.
  77       $can_redirect = FALSE;
  78     }
  79     elseif (!($request->isMethod('GET') || $request->isMethod('HEAD'))) {
  80       // Do not redirect if this is other than GET request.
  81       $can_redirect = FALSE;
  82     }
  83     elseif ($this->state->get('system.maintenance_mode') || defined('MAINTENANCE_MODE')) {
  84       // Do not redirect in offline or maintenance mode.
  85       $can_redirect = FALSE;
  86     }
  87     elseif ($request->query->has('destination')) {
  88       $can_redirect = FALSE;
  89     }
  90     elseif ($this->config->get('ignore_admin_path') && isset($route)) {
  91       // Do not redirect on admin paths.
  92       $can_redirect &= !(bool) $route->getOption('_admin_route');
  93     }
  94
  95     return $can_redirect;
  96   }
  97
  98 }