1<?php 2 3/** 4 * webtrees: online genealogy 5 * Copyright (C) 2019 webtrees development team 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17declare(strict_types=1); 18 19namespace Fisharebest\Webtrees\Http\Middleware; 20 21use Fig\Http\Message\StatusCodeInterface; 22use Fisharebest\Webtrees\Webtrees; 23use Psr\Http\Message\ResponseInterface; 24use Psr\Http\Message\ServerRequestInterface; 25use Psr\Http\Server\MiddlewareInterface; 26use Psr\Http\Server\RequestHandlerInterface; 27 28/** 29 * Middleware to check whether the site is offline. 30 */ 31class CheckForMaintenanceMode implements MiddlewareInterface, StatusCodeInterface 32{ 33 /** 34 * @param ServerRequestInterface $request 35 * @param RequestHandlerInterface $handler 36 * 37 * @return ResponseInterface 38 */ 39 public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface 40 { 41 if (file_exists(Webtrees::OFFLINE_FILE)) { 42 $html = view('layouts/offline', [ 43 'message' => file_get_contents(Webtrees::OFFLINE_FILE), 44 'url' => $request->getAttribute('request_uri'), 45 ]); 46 47 return response($html, self::STATUS_SERVICE_UNAVAILABLE); 48 } 49 50 return $handler->handle($request); 51 } 52} 53