updated design

Modules/Helpdesk/Http/Middleware/VerifyHelpdeskSyncToken.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Modules\Helpdesk\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+final class VerifyHelpdeskSyncToken
+{
+    public function handle(Request $request, Closure $next): Response
+    {
+        $expected = (string) config('helpdesk.sync.accept_token', '');
+
+        if ($expected === '') {
+            abort(503, 'Helpdesk remote sync is not enabled on this host.');
+        }
+
+        $provided = (string) $request->bearerToken();
+
+        if ($provided === '' || ! hash_equals($expected, $provided)) {
+            abort(401, 'Invalid Helpdesk sync token.');
+        }
+
+        return $next($request);
+    }
+}