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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * The environment configurator is responsible for adjusting the .htaccess file to the user's environment. |
| 5 | * |
| 6 | * This Source Code Form is subject to the terms of the Mozilla Public License, |
| 7 | * v. 2.0. If a copy of the MPL was not distributed with this file, You can |
| 8 | * obtain one at https://mozilla.org/MPL/2.0/. |
| 9 | * |
| 10 | * @package phpMyFAQ |
| 11 | * @author Thorsten Rinne <thorsten@phpmyfaq.de> |
| 12 | * @copyright 2024-2026 phpMyFAQ Team |
| 13 | * @license https://www.mozilla.org/MPL/2.0/ Mozilla Public License Version 2.0 |
| 14 | * @link https://www.phpmyfaq.de |
| 15 | * @since 2024-11-16 |
| 16 | */ |
| 17 | |
| 18 | declare(strict_types=1); |
| 19 | |
| 20 | namespace phpMyFAQ\Setup; |
| 21 | |
| 22 | use phpMyFAQ\Configuration; |
| 23 | use phpMyFAQ\Core\Exception; |
| 24 | |
| 25 | readonly class EnvironmentConfigurator |
| 26 | { |
| 27 | private string $htaccessPath; |
| 28 | |
| 29 | public function __construct( |
| 30 | private Configuration $configuration, |
| 31 | ) { |
| 32 | $this->htaccessPath = $this->configuration->getRootPath() . '/.htaccess'; |
| 33 | } |
| 34 | |
| 35 | public function getHtaccessPath(): string |
| 36 | { |
| 37 | return $this->htaccessPath; |
| 38 | } |
| 39 | |
| 40 | public function getServerPath(): string |
| 41 | { |
| 42 | $path = parse_url($this->configuration->getDefaultUrl(), PHP_URL_PATH); |
| 43 | |
| 44 | return $path === null || $path === false || $path === '' ? '/' : $path; |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * @throws Exception |
| 49 | */ |
| 50 | public function getRewriteBase(): string |
| 51 | { |
| 52 | $content = $this->readHtaccess(); |
| 53 | |
| 54 | $matches = []; |
| 55 | if (preg_match('/^\s*RewriteBase\s+(\S+)/mi', $content, $matches) !== 1) { |
| 56 | throw new Exception('RewriteBase directive not found in .htaccess file'); |
| 57 | } |
| 58 | |
| 59 | return $matches[1]; |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Adjusts the RewriteBase and ErrorDocument 404 in the .htaccess file for the user's environment. |
| 64 | * |
| 65 | * This method ensures that URL routing works correctly and 404 errors are properly handled. |
| 66 | * |
| 67 | * - RewriteBase is set to the application's installation path (e.g., /faq/) |
| 68 | * - ErrorDocument 404 is configured to route errors to the application's error handler (e.g., /faq/index.php?action=404) |
| 69 | * |
| 70 | * @return bool Returns true if the .htaccess file was successfully modified, false otherwise. |
| 71 | * @throws Exception If the .htaccess file does not exist or cannot be read. |
| 72 | */ |
| 73 | public function adjustRewriteBaseHtaccess(): bool |
| 74 | { |
| 75 | if (!file_exists($this->htaccessPath)) { |
| 76 | throw new Exception(sprintf('The %s/.htaccess file does not exist!', $this->getServerPath())); |
| 77 | } |
| 78 | |
| 79 | $content = $this->readHtaccess(); |
| 80 | |
| 81 | $serverPath = $this->getServerPath(); |
| 82 | $new404Path = rtrim($serverPath, characters: '/') . '/index.php?action=404'; |
| 83 | |
| 84 | $updated = preg_replace('/^(\s*RewriteBase\s+)\S+/mi', '${1}' . $serverPath, $content); |
| 85 | if ($updated === null) { |
| 86 | throw new Exception('Failed to update RewriteBase directive'); |
| 87 | } |
| 88 | |
| 89 | $updated = preg_replace('/^(\s*ErrorDocument\s+404\s+)\S+/mi', '${1}' . $new404Path, $updated); |
| 90 | if ($updated === null) { |
| 91 | throw new Exception('Failed to update ErrorDocument 404 directive'); |
| 92 | } |
| 93 | |
| 94 | return (bool) file_put_contents($this->htaccessPath, $updated); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * @throws Exception |
| 99 | */ |
| 100 | /* @mago-expect lint:no-error-control-operator - the read failure is handled explicitly on the next line */ |
| 101 | private function readHtaccess(): string |
| 102 | { |
| 103 | $content = @file_get_contents($this->htaccessPath); |
| 104 | if ($content === false) { |
| 105 | throw new Exception(sprintf('Cannot read .htaccess file: %s', $this->htaccessPath)); |
| 106 | } |
| 107 | |
| 108 | return $content; |
| 109 | } |
| 110 | } |