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 */ 17 18declare(strict_types=1); 19 20namespace Fisharebest\Webtrees\Http\Middleware; 21 22use Psr\Http\Message\ResponseInterface; 23use Psr\Http\Message\ServerRequestInterface; 24use Psr\Http\Server\MiddlewareInterface; 25use Psr\Http\Server\RequestHandlerInterface; 26 27use function explode; 28use function parse_url; 29use function rtrim; 30 31use const PHP_URL_HOST; 32use const PHP_URL_PORT; 33use const PHP_URL_SCHEME; 34 35/** 36 * Middleware to set the base URL. 37 */ 38class BaseUrl implements MiddlewareInterface 39{ 40 /** 41 * @param ServerRequestInterface $request 42 * @param RequestHandlerInterface $handler 43 * 44 * @return ResponseInterface 45 */ 46 public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface 47 { 48 // The request URL, as auto-detected from the environment. 49 $request_url = $request->getUri(); 50 51 // The base URL, as specified in the configuration file. 52 $base_url = $request->getAttribute('base_url', ''); 53 54 if ($base_url === '') { 55 // Guess the base URL from the request URL. 56 $base_url = rtrim(explode('index.php', (string) $request_url)[0], '/'); 57 $request = $request->withAttribute('base_url', $base_url); 58 } else { 59 // Update the request URL from the base URL. 60 $base_scheme = parse_url($base_url, PHP_URL_SCHEME) ?? 'http'; 61 $base_host = parse_url($base_url, PHP_URL_HOST) ?? 'localhost'; 62 $base_port = parse_url($base_url, PHP_URL_PORT); 63 64 $request_url = $request_url 65 ->withScheme($base_scheme) 66 ->withHost($base_host) 67 ->withPort($base_port === null ? null : (int) $base_port); 68 69 $request = $request->withUri($request_url); 70 } 71 72 return $handler->handle($request); 73 } 74} 75