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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2010 Frank Karlitschek karlitschek@kde.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
define('OC_FILEACTION_WRITE',2);
define('OC_FILEACTION_READ',4);
define('OC_FILEACTION_DELETE',8);
define('OC_FILEACTION_CREATE',16);
define('OC_FILEACTION_RENAME',32);
/**
* base class for file observers
*/
class OC_FILEOBSERVER{
private $mask;
public function __construct($arguments){}
public function __get($name){
switch($name){
case 'mask':
return $this->mask;
}
}
public function notify($path,$action){}
}
/**
* observer that makes automatic backups
*/
class OC_FILEOBSERVER_BACKUP extends OC_FILEOBSERVER{
private $storage;
public function __construct($arguments){
$this->mask=OC_FILEACTION_WRITE+OC_FILEACTION_DELETE+OC_FILEACTION_CREATE+OC_FILEACTION_RENAME;
$this->storage=$arguments['storage'];
}
public function notify($path,$action,$storage){
switch($action){
case OC_FILEACTION_DELETE:
if($storage->is_dir($path)){
$this->storage->delTree($path);
}else{
$this->storage->unlink($path);
}
break;
case OC_FILEACTION_CREATE:
if($storage->is_dir($path)){
$this->storage->mkdir($path);
break;
}
case OC_FILEACTION_WRITE:
$tmpFile=$storage->toTmpFile($path);
$this->storage->fromTmpFile($tmpFile,$path);
break;
case OC_FILEACTION_RENAME:
list($source,$target)=explode('->',$path);
$this->storage->rename($source,$target);
}
}
}
?>
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