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_PATH; 33use const PHP_URL_PORT; 34use const PHP_URL_SCHEME; 35 36/** 37 * Middleware to set the base URL. 38 */ 39class BaseUrl implements MiddlewareInterface 40{ 41 /** 42 * @param ServerRequestInterface $request 43 * @param RequestHandlerInterface $handler 44 * 45 * @return ResponseInterface 46 */ 47 public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface 48 { 49 // The request URL, as auto-detected from the environment. 50 $request_url = $request->getUri(); 51 52 // The base URL, as specified in the configuration file. 53 $base_url = $request->getAttribute('base_url', ''); 54 55 if ($base_url === '') { 56 // Guess the base URL from the request URL. 57 $base_url = rtrim(explode('index.php', (string) $request_url)[0], '/'); 58 $request = $request->withAttribute('base_url', $base_url); 59 $base_path = parse_url($base_url, PHP_URL_PATH) ?? ''; 60 $request_url = $request_url->withPath($base_path); 61 62 $request = $request->withUri($request_url); 63 } else { 64 // Update the request URL from the base URL. 65 $base_scheme = parse_url($base_url, PHP_URL_SCHEME) ?? 'http'; 66 $base_host = parse_url($base_url, PHP_URL_HOST) ?? 'localhost'; 67 $base_port = parse_url($base_url, PHP_URL_PORT); 68 69 $request_url = $request_url 70 ->withScheme($base_scheme) 71 ->withHost($base_host) 72 ->withPort($base_port); 73 74 $request = $request->withUri($request_url); 75 } 76 77 return $handler->handle($request); 78 } 79} 80