Correct parent folders' ETags for all users with access to a shared file

This commit is contained in:
Michael Gapczynski 2013-02-26 01:21:48 -05:00
parent 36827d1549
commit 8983465210
5 changed files with 106 additions and 2 deletions

View file

@ -5,6 +5,7 @@ OC::$CLASSPATH['OC_Share_Backend_Folder'] = 'apps/files_sharing/lib/share/folder
OC::$CLASSPATH['OC\Files\Storage\Shared'] = "apps/files_sharing/lib/sharedstorage.php";
OC::$CLASSPATH['OC\Files\Cache\Shared_Cache'] = 'apps/files_sharing/lib/cache.php';
OC::$CLASSPATH['OC\Files\Cache\Shared_Permissions'] = 'apps/files_sharing/lib/permissions.php';
OC::$CLASSPATH['OC\Files\Cache\Shared_Updater'] = 'apps/files_sharing/lib/updater.php';
OC::$CLASSPATH['OC\Files\Cache\Shared_Watcher'] = 'apps/files_sharing/lib/watcher.php';
OCP\Util::connectHook('OC_Filesystem', 'setup', '\OC\Files\Storage\Shared', 'setup');
OCP\Share::registerBackend('file', 'OC_Share_Backend_File');

View file

@ -125,8 +125,8 @@ class Shared_Cache extends Cache {
* @return int file id
*/
public function put($file, array $data) {
if ($file == '' && isset($data['etag'])) {
\OCP\Config::setUserValue(\OCP\User::getUser(), 'files_sharing', 'etag', $data['etag']);
if ($file === '' && isset($data['etag'])) {
return \OCP\Config::setUserValue(\OCP\User::getUser(), 'files_sharing', 'etag', $data['etag']);
} else if ($cache = $this->getSourceCache($file)) {
return $cache->put($this->files[$file], $data);
}

View file

@ -412,6 +412,9 @@ class Shared extends \OC\Files\Storage\Common {
if (!\OCP\User::isLoggedIn() || \OCP\User::getUser() != $options['user'] || \OCP\Share::getItemsSharedWith('file')) {
$user_dir = $options['user_dir'];
\OC\Files\Filesystem::mount('\OC\Files\Storage\Shared', array('sharedFolder' => '/Shared'), $user_dir.'/Shared/');
\OC_Hook::connect('OC_Filesystem', 'post_write', '\OC\Files\Cache\Shared_Updater', 'writeHook');
\OC_Hook::connect('OC_Filesystem', 'post_delete', '\OC\Files\Cache\Shared_Updater', 'deleteHook');
\OC_Hook::connect('OC_Filesystem', 'post_rename', '\OC\Files\Cache\Shared_Updater', 'renameHook');
}
}

View file

@ -0,0 +1,77 @@
<?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']);
}
}

View file

@ -197,6 +197,29 @@ class Share {
$parameters, -1, $includeCollections);
}
/**
* Get all users an item is shared with
* @param string Item type
* @param string Item source
* @param string Owner
* @param bool Include collections
* @return Return array of users
*/
public static function getUsersItemShared($itemType, $itemSource, $uidOwner, $includeCollections = false) {
$users = array();
$items = self::getItems($itemType, $itemSource, null, null, $uidOwner, self::FORMAT_NONE, null, -1, $includeCollections);
if ($items) {
foreach ($items as $item) {
if ((int)$item['share_type'] === self::SHARE_TYPE_USER) {
$users[] = $item['share_with'];
} else if ((int)$item['share_type'] === self::SHARE_TYPE_GROUP) {
$users = array_merge($users, \OC_Group::usersInGroup($item['share_with']));
}
}
}
return $users;
}
/**
* @brief Share an item with a user, group, or via private link
* @param string Item type