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