app = $app; } /** * Handle an incoming request. * * @param \Illuminate\Http\Request $request * @param \Closure $next * @return mixed * * @throws \Symfony\Component\HttpKernel\Exception\HttpException */ public function handle($request, Closure $next) { if ($this->app->isDownForMaintenance()) { throw new HttpException(503); } return $next($request); } }