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69 lines
2.0 KiB
69 lines
2.0 KiB
<?php
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/**
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* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
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* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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*
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* Licensed under The MIT License
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* For full copyright and license information, please see the LICENSE.txt
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
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* @link https://cakephp.org CakePHP(tm) Project
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* @since 3.0.0
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* @license https://opensource.org/licenses/mit-license.php MIT License
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*/
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namespace Cake\Core\Configure;
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use Cake\Core\Exception\Exception;
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use Cake\Core\Plugin;
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/**
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* Trait providing utility methods for file based config engines.
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*/
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trait FileConfigTrait
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{
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/**
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* The path this engine finds files on.
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*
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* @var string
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*/
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protected $_path = '';
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/**
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* Get file path
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*
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* @param string $key The identifier to write to. If the key has a . it will be treated
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* as a plugin prefix.
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* @param bool $checkExists Whether to check if file exists. Defaults to false.
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* @return string Full file path
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* @throws \Cake\Core\Exception\Exception When files don't exist or when
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* files contain '..' as this could lead to abusive reads.
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*/
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protected function _getFilePath($key, $checkExists = false)
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{
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if (strpos($key, '..') !== false) {
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throw new Exception('Cannot load/dump configuration files with ../ in them.');
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}
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list($plugin, $key) = pluginSplit($key);
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if ($plugin) {
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$file = Plugin::configPath($plugin) . $key;
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} else {
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$file = $this->_path . $key;
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}
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$file .= $this->_extension;
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if (!$checkExists || is_file($file)) {
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return $file;
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}
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$realPath = realpath($file);
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if ($realPath !== false && is_file($realPath)) {
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return $realPath;
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}
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throw new Exception(sprintf('Could not load configuration file: %s', $file));
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}
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}
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