boursecu_server/app/Http/Middleware/BlockServerAccess.php

<?php

namespace App\Http\Middleware;

use Closure;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;

class BlockServerAccess
{
    public const CACHE_KEY = 'sa_server_access_blocked';

    public function handle(Request $request, Closure $next)
    {
        $path = trim($request->path(), '/');
        if ($this->isWhitelisted($path)) {
            return $next($request);
        }

        if (Cache::get(self::CACHE_KEY)) {
            return response()->json([
                'message' => 'خطا در برقراری ارتباط با سرور',
            ], 503);
        }

        return $next($request);
    }

    private function isWhitelisted(string $path): bool
    {
        $allowed = [
            'super/settings',
            'api/super/settings',
        ];

        foreach ($allowed as $item) {
            if ($path === $item || str_ends_with($path, '/'.$item)) {
                return true;
            }
        }

        return false;
    }
}