fix basic auth bug

Author: mpociot

app/Http/HttpClient.php

@@ -13,6 +13,7 @@
 use Ratchet\RFC6455\Messaging\Frame;
 use React\EventLoop\LoopInterface;
 use React\Http\Browser;
+use React\Promise\Promise;
 use React\Socket\Connector;
 
 class HttpClient
@@ -52,6 +53,10 @@ public function performRequest(string $requestData, ?WebSocket $proxyConnection
 
         $request = $this->passRequestThroughModifiers(Message::parseRequest($requestData), $proxyConnection);
 
+        if (is_null($request)) {
+            return new Promise(fn () => null);
+        }
+
         return transform($request, function ($request) use ($proxyConnection) {
             return $this->sendRequestToApplication($request, $proxyConnection);
         });

config/app.php

@@ -26,7 +26,7 @@
     |
     */
 
-    'version' => '3.0.3',
+    'version' => '3.0.4',
 
     /*
     |--------------------------------------------------------------------------