add api token

.env.example

@@ -12,3 +12,5 @@ GOOGLE_APPLICATION_CREDENTIALS=/var/www/html/auth.json
 GOOGLE_CLOUD_PROJECT=
 GOOGLE_LOCATION=us-central1
 GOOGLE_IMAGEN_MODEL=imagen-3.0-fast-generate-001
+
+API_AUTH_TOKEN=

app/Http/Kernel.php

@@ -42,6 +42,7 @@ class Kernel extends HttpKernel
             // \Laravel\Sanctum\Http\Middleware\EnsureFrontendRequestsAreStateful::class,
             \Illuminate\Routing\Middleware\ThrottleRequests::class.':api',
             \Illuminate\Routing\Middleware\SubstituteBindings::class,
+            \App\Http\Middleware\EnsureTokenIsValid::class,
         ],
     ];
 

app/Http/Middleware/EnsureTokenIsValid.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+class EnsureTokenIsValid
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response)  $next
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        $requestToken = $request->header('token') ?? $request->input('token');
+        $token = env('API_AUTH_TOKEN');
+        if (!$requestToken || !$token || $requestToken !== $token) {
+            return (new JsonResponse(['error' => 'Unauthorized']))->setStatusCode(Response::HTTP_UNAUTHORIZED);
+        }
+
+        return $next($request);
+    }
+}