nextcloud/apps/files_sharing/lib/updater.php

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<?php
/**
* ownCloud
*
* @author Michael Gapczynski
* @copyright 2013 Michael Gapczynski mtgap@owncloud.com
*
* 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 Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
namespace OC\Files\Cache;
class Shared_Updater {
/**
* Correct the parent folders' ETags for all users shared the file at $target
*
* @param string $target
*/
static public function correctFolders($target) {
$uid = \OCP\User::getUser();
$uidOwner = \OC\Files\Filesystem::getOwner($target);
$info = \OC\Files\Filesystem::getFileInfo($target);
// Correct Shared folders of other users shared with
$users = \OCP\Share::getUsersItemShared('file', $info['fileid'], $uidOwner, true);
if (!empty($users)) {
foreach ($users as $user) {
// The ETag of the logged in user should already be updated
if ($user !== $uid) {
$etag = \OC\Files\Filesystem::getETag('');
\OCP\Config::setUserValue($user, 'files_sharing', 'etag', $etag);
}
}
// Correct folders of shared file owner
if ($uidOwner !== $uid && $source = \OC_Share_Backend_File::getSource($target)) {
\OC\Files\Filesystem::initMountPoints($source['uid_owner']);
$source = '/'.$source['uid_owner'].'/'.$source['path'];
$mtime = \OC\Files\Filesystem::filemtime($target);
\OC\Files\Cache\Updater::correctFolder($source, $mtime);
}
}
}
/**
* @param array $params
*/
static public function writeHook($params) {
self::correctFolders($params['path']);
}
/**
* @param array $params
*/
static public function renameHook($params) {
self::correctFolders($params['oldpath']);
self::correctFolders($params['newpath']);
}
/**
* @param array $params
*/
static public function deleteHook($params) {
self::correctFolders($params['path']);
}
}