İlk temizlik tamamlandı bir önceki projeden

app/Http/Middleware/CheckStaticHash.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+
+class CheckStaticHash
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Closure  $next
+     * @return mixed
+     */
+    public function handle(Request $request, Closure $next)
+    {
+        $hash = config('services.api.static_hash');
+        
+        // Eğer hash config'de tanımlı değilse güvenli başarısızlık (fail-safe)
+        if (empty($hash)) {
+            return response()->json([
+                'status' => 'error',
+                'message' => 'Server configuration error: API Static Hash is not configured.'
+            ], 500);
+        }
+
+        $requestHash = $request->header('X-Api-Hash');
+
+        if ($requestHash !== $hash) {
+            return response()->json([
+                'status' => 'error',
+                'message' => 'Unauthorized access. Invalid or missing X-Api-Hash header.'
+            ], 401);
+        }
+
+        return $next($request);
+    }
+}
+