111

http-server/ExceptionHandlerDispatcher.php

@@ -24,12 +24,12 @@ class ExceptionHandlerDispatcher implements ExceptionHandlerInterface
     {
         if ($exception->getCode() == 404) {
             return $response->withBody(new Stream($exception->getMessage()))
-                ->withHeader('Content-Type', 'text/html')
+                ->withContentType(Message\Response::CONTENT_TYPE_HTML)
                 ->withStatus(404);
         }
         $code = $exception->getCode() == 0 ? 500 : $exception->getCode();
         return $response->withBody(new Stream(jTraceEx($exception, null, true)))
-            ->withHeader('Content-Type', 'text/html')
+            ->withContentType(Message\Response::CONTENT_TYPE_HTML)
             ->withStatus($code);
     }
 

http-server/Message/Response.php

@@ -17,6 +17,27 @@ class Response implements ResponseInterface, \Server\ResponseInterface
 
     public string $reasonPhrase = '';
 
+    const CONTENT_TYPE_JSON = 'application/json;charset=utf-8';
+    const CONTENT_TYPE_HTML = 'text/html;charset=utf-8';
+    const CONTENT_TYPE_STREAM = 'octet-stream';
+    const CONTENT_TYPE_XML = 'application/xml;charset=utf-8';
+
+
+    /**
+     * @param string $type
+     * @return $this
+     */
+    public function withContentType(string $type): static
+    {
+        if (!in_array($type, [
+            Response::CONTENT_TYPE_HTML, Response::CONTENT_TYPE_JSON,
+            Response::CONTENT_TYPE_STREAM, Response::CONTENT_TYPE_XML
+        ])) {
+            throw new \Exception('Wrong content type.');
+        }
+        return $this->withHeader('Content-Type', $type);
+    }
+
 
     /**
      * @return int