vendor/shopware/core/Framework/Routing/CoreSubscriber.php line 49

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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. /**
  13.  * @deprecated tag:v6.5.0 - reason:becomes-internal - EventSubscribers will become internal in v6.5.0
  14.  */
  15. class CoreSubscriber implements EventSubscriberInterface
  16. {
  17.     /**
  18.      * @var array<string>
  19.      */
  20.     private array $cspTemplates;
  22.     /**
  23.      * @internal
  24.      *
  25.      * @param array<string> $cspTemplates
  26.      */
  27.     public function __construct(array $cspTemplates)
  28.     {
  29.         $this->cspTemplates = $cspTemplates;
  30.     }
  32.     /**
  33.      * @return array<string, string|array{0: string, 1: int}|list<array{0: string, 1?: int}>>
  34.      */
  35.     public static function getSubscribedEvents()
  36.     {
  37.         return [
  38.             KernelEvents::REQUEST => 'initializeCspNonce',
  39.             KernelEvents::RESPONSE => 'setSecurityHeaders',
  40.         ];
  41.     }
  43.     public function initializeCspNonce(RequestEvent $event): void
  44.     {
  45.         $nonce = base64_encode(random_bytes(8));
  46.         $event->getRequest()->attributes->set(PlatformRequest::ATTRIBUTE_CSP_NONCE, $nonce);
  47.     }
  49.     public function setSecurityHeaders(ResponseEvent $event): void
  50.     {
  51.         if (!$event->getResponse()->isSuccessful()) {
  52.             return;
  53.         }
  55.         $response = $event->getResponse();
  56.         if ($event->getRequest()->isSecure()) {
  57.             $response->headers->set('Strict-Transport-Security', 'max-age=31536000; includeSubDomains');
  58.         }
  59.         $response->headers->set('X-Frame-Options', 'deny');
  60.         $response->headers->set('X-Content-Type-Options', 'nosniff');
  61.         $response->headers->set('Referrer-Policy', 'strict-origin-when-cross-origin');
  63.         $cspTemplate = $this->cspTemplates['default'] ?? '';
  65.         $scopes = $event->getRequest()->attributes->get(PlatformRequest::ATTRIBUTE_ROUTE_SCOPE, []);
  66.         if ($scopes instanceof RouteScopeAnnotation) {
  67.             $scopes = $scopes->getScopes();
  68.         }
  70.         foreach ($scopes as $scope) {
  71.             $cspTemplate = $this->cspTemplates[$scope] ?? $cspTemplate;
  72.         }
  74.         $cspTemplate = trim($cspTemplate);
  75.         if ($cspTemplate !== '' && !$response->headers->has('Content-Security-Policy')) {
  76.             $nonce = $event->getRequest()->attributes->get(PlatformRequest::ATTRIBUTE_CSP_NONCE);
  78.             if (\is_string($nonce)) {
  79.                 $csp = str_replace('%nonce%', $nonce, $cspTemplate);
  80.                 $csp = str_replace(["\n", "\r"], ' ', $csp);
  81.                 $response->headers->set('Content-Security-Policy', $csp);
  82.             }
  83.         }
  84.     }
  85. }