124 lines
4.2 KiB
PHP
124 lines
4.2 KiB
PHP
<?php
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/**
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* @author Björn Schießle <schiessle@owncloud.com>
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Michael Gapczynski <GapczynskiM@gmail.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Roeland Jago Douma <rullzer@owncloud.com>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\Files\Cache;
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class Shared_Updater {
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/**
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* @param array $params
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*/
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static public function renameHook($params) {
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self::renameChildren($params['oldpath'], $params['newpath']);
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self::moveShareToShare($params['newpath']);
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}
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/**
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* Fix for https://github.com/owncloud/core/issues/20769
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*
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* The owner is allowed to move their files (if they are shared) into a receiving folder
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* In this case we need to update the parent of the moved share. Since they are
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* effectively handing over ownership of the file the rest of the code needs to know
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* they need to build up the reshare tree.
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*
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* @param string $path
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*/
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static private function moveShareToShare($path) {
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$userFolder = \OC::$server->getUserFolder();
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// If the user folder can't be constructed (e.g. link share) just return.
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if ($userFolder === null) {
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return;
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}
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$src = $userFolder->get($path);
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$shareManager = \OC::$server->getShareManager();
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$shares = $shareManager->getSharesBy($userFolder->getOwner()->getUID(), \OCP\Share::SHARE_TYPE_USER, $src, false, -1);
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$shares = array_merge($shares, $shareManager->getSharesBy($userFolder->getOwner()->getUID(), \OCP\Share::SHARE_TYPE_GROUP, $src, false, -1));
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// If the path we move is not a share we don't care
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if (empty($shares)) {
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return;
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}
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// Check if the destination is inside a share
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$mountManager = \OC::$server->getMountManager();
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$dstMount = $mountManager->find($src->getPath());
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if (!($dstMount instanceof \OCA\Files_Sharing\SharedMount)) {
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return;
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}
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$newOwner = $dstMount->getShare()->getShareOwner();
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//Ownership is moved over
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foreach ($shares as $share) {
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/** @var \OCP\Share\IShare $share */
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$share->setShareOwner($newOwner);
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$shareManager->updateShare($share);
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}
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}
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/**
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* clean up oc_share table from files which are no longer exists
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*
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* This fixes issues from updates from files_sharing < 0.3.5.6 (ownCloud 4.5)
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* It will just be called during the update of the app
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*/
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static public function fixBrokenSharesOnAppUpdate() {
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// delete all shares where the original file no longer exists
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$findAndRemoveShares = \OCP\DB::prepare('DELETE FROM `*PREFIX*share` ' .
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'WHERE `item_type` IN (\'file\', \'folder\') ' .
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'AND `file_source` NOT IN (SELECT `fileid` FROM `*PREFIX*filecache`)'
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);
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$findAndRemoveShares->execute(array());
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}
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/**
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* rename mount point from the children if the parent was renamed
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*
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* @param string $oldPath old path relative to data/user/files
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* @param string $newPath new path relative to data/user/files
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*/
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static private function renameChildren($oldPath, $newPath) {
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$absNewPath = \OC\Files\Filesystem::normalizePath('/' . \OCP\User::getUser() . '/files/' . $newPath);
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$absOldPath = \OC\Files\Filesystem::normalizePath('/' . \OCP\User::getUser() . '/files/' . $oldPath);
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$mountManager = \OC\Files\Filesystem::getMountManager();
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$mountedShares = $mountManager->findIn('/' . \OCP\User::getUser() . '/files/' . $oldPath);
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foreach ($mountedShares as $mount) {
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if ($mount->getStorage()->instanceOfStorage('OCA\Files_Sharing\ISharedStorage')) {
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$mountPoint = $mount->getMountPoint();
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$target = str_replace($absOldPath, $absNewPath, $mountPoint);
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$mount->moveMount($target);
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}
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}
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}
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}
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