Fix: Allow error codes above 399

Author: jonnitto

Classes/Helper/ExceptionHelper.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Flowpack\SeoRouting\Helper;
+
+use Neos\Flow\Http\Exception;
+
+class ExceptionHelper extends Exception
+{
+    /**
+     * @param int $statusCode
+     * @return void
+     */
+    public function setStatusCode(int $statusCode): void
+    {
+        $this->statusCode = $statusCode;
+    }
+}

Classes/RoutingMiddleware.php

@@ -7,6 +7,7 @@
 use Flowpack\SeoRouting\Enum\TrailingSlashModeEnum;
 use Flowpack\SeoRouting\Helper\BlocklistHelper;
 use Flowpack\SeoRouting\Helper\ConfigurationHelper;
+use Flowpack\SeoRouting\Helper\ExceptionHelper;
 use Flowpack\SeoRouting\Helper\LowerCaseHelper;
 use Flowpack\SeoRouting\Helper\TrailingSlashHelper;
 use Neos\Flow\Annotations as Flow;
@@ -71,7 +72,15 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
             return $response;
         }
 
-        return $this->responseFactory->createResponse($this->configurationHelper->getStatusCode())
+        $statusCode = $this->configurationHelper->getStatusCode();
+
+        if ($statusCode >= 400) {
+            $exception = new ExceptionHelper();
+            $exception->setStatusCode($statusCode);
+            throw $exception;
+        }
+
+        return $this->responseFactory->createResponse(statusCode)
             ->withAddedHeader('Location', (string)$uri);
     }
 }