vendor/shopware/core/Framework/Routing/CoreSubscriber.php line 35

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  1. <?php declare(strict_types=1);
  3. namespace Shopware\Core\Framework\Routing;
  5. use Shopware\Core\Framework\Routing\Annotation\RouteScope as RouteScopeAnnotation;
  6. use Shopware\Core\PlatformRequest;
  7. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  8. use Symfony\Component\HttpKernel\Event\RequestEvent;
  9. use Symfony\Component\HttpKernel\Event\ResponseEvent;
  10. use Symfony\Component\HttpKernel\KernelEvents;
  12. class CoreSubscriber implements EventSubscriberInterface
  13. {
  14.     /**
  15.      * @var string[]
  16.      */
  17.     private array $cspTemplates;
  19.     public function __construct($cspTemplates)
  20.     {
  21.         $this->cspTemplates = (array) $cspTemplates;
  22.     }
  24.     /**
  25.      * @return array<string, string|array{0: string, 1: int}|list<array{0: string, 1?: int}>>
  26.      */
  27.     public static function getSubscribedEvents()
  28.     {
  29.         return [
  30.             KernelEvents::REQUEST => 'initializeCspNonce',
  31.             KernelEvents::RESPONSE => 'setSecurityHeaders',
  32.         ];
  33.     }
  35.     public function initializeCspNonce(RequestEvent $event): void
  36.     {
  37.         $nonce = base64_encode(random_bytes(8));
  38.         $event->getRequest()->attributes->set(PlatformRequest::ATTRIBUTE_CSP_NONCE, $nonce);
  39.     }
  41.     public function setSecurityHeaders(ResponseEvent $event): void
  42.     {
  43.         if (!$event->getResponse()->isSuccessful()) {
  44.             return;
  45.         }
  47.         $response = $event->getResponse();
  48.         if ($event->getRequest()->isSecure()) {
  49.             $response->headers->set('Strict-Transport-Security', 'max-age=31536000; includeSubDomains');
  50.         }
  51.         $response->headers->set('X-Frame-Options', 'deny');
  52.         $response->headers->set('X-Content-Type-Options', 'nosniff');
  53.         $response->headers->set('Referrer-Policy', 'strict-origin-when-cross-origin');
  55.         $cspTemplate = $this->cspTemplates['default'] ?? '';
  57.         $scopes = $event->getRequest()->attributes->get(PlatformRequest::ATTRIBUTE_ROUTE_SCOPE, []);
  58.         if ($scopes instanceof RouteScopeAnnotation) {
  59.             $scopes = $scopes->getScopes();
  60.         }
  62.         foreach ($scopes as $scope) {
  63.             $cspTemplate = $this->cspTemplates[$scope] ?? $cspTemplate;
  64.         }
  66.         $cspTemplate = trim($cspTemplate);
  67.         if ($cspTemplate !== '' && !$response->headers->has('Content-Security-Policy')) {
  68.             $nonce = $event->getRequest()->attributes->get(PlatformRequest::ATTRIBUTE_CSP_NONCE);
  70.             if (\is_string($nonce)) {
  71.                 $csp = str_replace('%nonce%', $nonce, $cspTemplate);
  72.                 $csp = str_replace(["\n", "\r"], ' ', $csp);
  73.                 $response->headers->set('Content-Security-Policy', $csp);
  74.             }
  75.         }
  76.     }
  77. }