1<?php 2/** 3 * webtrees: online genealogy 4 * Copyright (C) 2019 webtrees development team 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 3 of the License, or 8 * (at your option) any later version. 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16declare(strict_types=1); 17 18namespace Fisharebest\Webtrees\Http\Middleware; 19 20use Closure; 21use Symfony\Component\HttpFoundation\Request; 22use Symfony\Component\HttpFoundation\Response; 23 24/** 25 * Middleware to check whether the site is offline. 26 */ 27class CheckForMaintenanceMode implements MiddlewareInterface 28{ 29 /** 30 * @param Request $request 31 * @param Closure $next 32 * 33 * @return Response 34 */ 35 public function handle(Request $request, Closure $next): Response 36 { 37 $file = WT_ROOT . 'data/offline.txt'; 38 39 if (file_exists($file)) { 40 $html = view('layouts/offline', [ 41 'message' => file_get_contents($file), 42 'url' => $request->getRequestUri(), 43 ]); 44 45 return new Response($html, Response::HTTP_SERVICE_UNAVAILABLE); 46 } 47 48 return $next($request); 49 } 50} 51