Fast404EventSubscriber.php in Fast 404 8

Namespace

Drupal\fast404\EventSubscriber

File

src/EventSubscriber/Fast404EventSubscriber.php

<?php

namespace Drupal\fast404\EventSubscriber;

use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
use Symfony\Component\HttpKernel\KernelEvents;
use Symfony\Component\HttpKernel\Event\GetResponseEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Drupal\Core\Site\Settings;
use Drupal\fast404\Fast404;

/**
 * Class Fast404EventSubscriber.
 *
 * @package Drupal\fast404\EventSubscriber
 */
class Fast404EventSubscriber implements EventSubscriberInterface {

  /**
   * The request stack.
   *
   * @var \Symfony\Component\HttpFoundation\RequestStack
   */
  public $requestStack;

  /**
   * Constructs a new Fast404EventSubscriber instance.
   *
   * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
   *   The Request Stack.
   */
  public function __construct(RequestStack $request_stack) {
    $this->requestStack = $request_stack;
  }

  /**
   * Ensures Fast 404 output returned if applicable.
   */
  public function onKernelRequest(GetResponseEvent $event) {
    $request = $this->requestStack
      ->getCurrentRequest();
    $fast_404 = new Fast404($request);
    $fast_404
      ->extensionCheck();
    if ($fast_404
      ->isPathBlocked()) {
      $event
        ->setResponse($fast_404
        ->response(TRUE));
    }
    $fast_404
      ->pathCheck();
    if ($fast_404
      ->isPathBlocked()) {
      $event
        ->setResponse($fast_404
        ->response(TRUE));
    }
  }

  /**
   * Ensures Fast 404 output returned upon NotFoundHttpException.
   *
   * @param \Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event
   *   The response for exception event.
   */
  public function onNotFoundException(GetResponseForExceptionEvent $event) {

    // Check to see if we will completely replace the Drupal 404 page.
    if (Settings::get('fast404_not_found_exception', FALSE)) {
      if ($event
        ->getException() instanceof NotFoundHttpException) {
        $fast_404 = new Fast404($event
          ->getRequest());
        $event
          ->setResponse($fast_404
          ->response(TRUE));
      }
    }
  }

  /**
   * Registers the methods in this class that should be listeners.
   *
   * @return array
   *   An array of event listener definitions.
   */
  public static function getSubscribedEvents() {
    $events[KernelEvents::REQUEST][] = [
      'onKernelRequest',
      100,
    ];
    $events[KernelEvents::EXCEPTION][] = [
      'onNotFoundException',
      0,
    ];
    return $events;
  }

}

Classes

Name	Description
Fast404EventSubscriber	Class Fast404EventSubscriber.