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<?php
/**
* Kunena Component
* @package Kunena.Framework
* @subpackage Path
*
* @copyright (C) 2008 - 2014 Kunena Team. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link http://www.kunena.org
**/
defined ( '_JEXEC' ) or die ();
jimport('joomla.filesystem.path');
/**
* Class KunenaPath
*
* @see JPath
*/
class KunenaPath extends JPath
{
static public $tmpdir = null;
static public $apache = null;
static public $owner = null;
/**
* Returns server writable temporary directory, preferring to Joomla tmp if possible.
*
* @return string Path to temporary directory.
*/
public static function tmpdir()
{
if (!self::$tmpdir) {
// Find Apache writable temporary directory defaulting to Joomla.
$temp = @tempnam(JFactory::getConfig()->get('tmp_path'), 'jj');
// If the previous call fails, let's try system default instead.
if ($temp === false) {
$temp = @tempnam(sys_get_temp_dir(), 'jj');
}
// Set the temporary directory and remove created file.
if ($temp !== false) {
self::$apache = fileowner($temp);
self::$tmpdir = dirname($temp);
unlink($temp);
}
}
return realpath(self::$tmpdir);
}
/**
* Method to determine if script owns the path.
*
* @param string $path Path to check ownership.
*
* @return boolean True if the php script owns the path passed.
*/
public static function isOwner($path)
{
if (!self::$owner) {
$dir = JFactory::getConfig()->get('tmp_path');
$tmp = 'jj'.md5(mt_rand());
$test = $dir . '/' . $tmp;
// Create the test file
$content = 'test';
$success = KunenaFile::write($test, $content, false);
if (!$success) return false;
self::$owner = fileowner($test);
// Delete the test file
KunenaFile::delete($test);
}
// Test ownership
return (self::$owner == fileowner($path));
}
/**
* Checks if path is writeable either by the server or by FTP.
*
* @param $path
* @return bool
*/
public static function isWritable($path)
{
if (is_writable($path) || self::isOwner($path)) return true;
return false;
}
}