app = $app;
    }

    public function handle(Request $request, Closure $next)
    {
        if ($this->app->isDownForMaintenance() && 
            !in_array($request->getClientIp(), ['8.8.8.8', '8.8.4.4']))
        {
            $maintenanceMode = new MaintenanceMode($this->app);
            return $maintenanceMode->handle($request, $next);
        }

        return $next($request);
    }

}