Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\ban;
Chris@0: 
Chris@17: use Drupal\Component\Render\FormattableMarkup;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpFoundation\Response;
Chris@0: use Symfony\Component\HttpKernel\HttpKernelInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Provides a HTTP middleware to implement IP based banning.
Chris@0:  */
Chris@0: class BanMiddleware implements HttpKernelInterface {
Chris@0: 
Chris@0:   /**
Chris@0:    * The decorated kernel.
Chris@0:    *
Chris@0:    * @var \Symfony\Component\HttpKernel\HttpKernelInterface
Chris@0:    */
Chris@0:   protected $httpKernel;
Chris@0: 
Chris@0:   /**
Chris@0:    * The ban IP manager.
Chris@0:    *
Chris@0:    * @var \Drupal\ban\BanIpManagerInterface
Chris@0:    */
Chris@0:   protected $banIpManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a BanMiddleware object.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpKernel\HttpKernelInterface $http_kernel
Chris@0:    *   The decorated kernel.
Chris@0:    * @param \Drupal\ban\BanIpManagerInterface $manager
Chris@0:    *   The ban IP manager.
Chris@0:    */
Chris@0:   public function __construct(HttpKernelInterface $http_kernel, BanIpManagerInterface $manager) {
Chris@0:     $this->httpKernel = $http_kernel;
Chris@0:     $this->banIpManager = $manager;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function handle(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE) {
Chris@0:     $ip = $request->getClientIp();
Chris@0:     if ($this->banIpManager->isBanned($ip)) {
Chris@17:       return new Response(new FormattableMarkup('@ip has been banned', ['@ip' => $ip]), 403);
Chris@0:     }
Chris@0:     return $this->httpKernel->handle($request, $type, $catch);
Chris@0:   }
Chris@0: 
Chris@0: }