aleph1.co.uk Git - yaffs-website/blob - web/core/modules/serialization/src/EventSubscriber/UserRouteAlterSubscriber.php

   1 <?php
   2
   3 namespace Drupal\serialization\EventSubscriber;
   4
   5 use Drupal\Core\Routing\RouteBuildEvent;
   6 use Drupal\Core\Routing\RoutingEvents;
   7 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   8
   9 /**
  10  * Alters user authentication routes to support additional serialization formats.
  11  */
  12 class UserRouteAlterSubscriber implements EventSubscriberInterface {
  13
  14   /**
  15    * The available serialization formats.
  16    *
  17    * @var array
  18    */
  19   protected $serializerFormats = [];
  20
  21   /**
  22    * UserRouteAlterSubscriber constructor.
  23    *
  24    * @param array $serializer_formats
  25    *   The available serializer formats.
  26    */
  27   public function __construct(array $serializer_formats) {
  28     $this->serializerFormats = $serializer_formats;
  29   }
  30
  31   /**
  32    * {@inheritdoc}
  33    */
  34   public static function getSubscribedEvents() {
  35     $events[RoutingEvents::ALTER][] = 'onRoutingAlterAddFormats';
  36     return $events;
  37   }
  38
  39   /**
  40    * Adds supported formats to the user authentication HTTP routes.
  41    *
  42    * @param \Drupal\Core\Routing\RouteBuildEvent $event
  43    *   The event to process.
  44    */
  45   public function onRoutingAlterAddFormats(RouteBuildEvent $event) {
  46     $route_names = [
  47       'user.login_status.http',
  48       'user.login.http',
  49       'user.logout.http',
  50       'user.pass.http',
  51     ];
  52     $routes = $event->getRouteCollection();
  53     foreach ($route_names as $route_name) {
  54       if ($route = $routes->get($route_name)) {
  55         $formats = explode('|', $route->getRequirement('_format'));
  56         $formats = array_unique(array_merge($formats, $this->serializerFormats));
  57         $route->setRequirement('_format', implode('|', $formats));
  58       }
  59     }
  60   }
  61
  62 }