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sources/apps/updater/lib/backup.php
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<?php
/**
* ownCloud - Updater plugin
*
* @author Victor Dubiniuk
* @copyright 2012-2013 Victor Dubiniuk victor.dubiniuk@gmail.com
*
* This file is licensed under the Affero General Public License version 3 or
* later.
*/
namespace OCA\Updater;
class Backup {
/**
* Path to the current Backup instance
* @var string
*/
protected static $path = '';
/**
* Perform backup
* @return string
*/
public static function create() {
try {
$locations = Helper::getPreparedLocations();
Helper::mkdir(self::getPath(), true);
foreach ($locations as $type => $dirs) {
$backupFullPath = self::getPath() . '/' . $type . '/';
Helper::mkdir($backupFullPath, true);
foreach ($dirs as $name => $path) {
Helper::copyr($path, $backupFullPath . $name);
}
}
} catch (\Exception $e){
App::log('Backup creation failed. Check permissions.');
self::cleanUp();
throw $e;
}
return self::getPath();
}
/**
* Generate unique backup path
* or return existing one
* @return string
*/
public static function getPath() {
if (!self::$path) {
$backupBase = App::getBackupBase();
$currentVersion = \OC_Config::getValue('version', '0.0.0');
$path = $backupBase . $currentVersion . '-';
do {
$salt = substr(md5(time()), 0, 8);
} while (file_exists($path . $salt));
self::$path = $path . $salt;
}
return self::$path;
}
public static function cleanUp(){
if (self::$path) {
Helper::removeIfExists(self::$path);
}
}
}
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