nextcloud/apps/files_sharing/lib/sharedmount.php

114 lines
3.2 KiB
PHP

<?php
/**
* Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OCA\Files_Sharing;
use OC\Files\Filesystem;
use OC\Files\Mount\Mount;
use OC\Files\Mount\MoveableMount;
use OC\Files\Storage\Shared;
/**
* Person mount points can be moved by the user
*/
class SharedMount extends Mount implements MoveableMount {
/**
* @var \OC\Files\Storage\Shared $storage
*/
protected $storage = null;
/**
* Format a path to be relative to the /user/files/ directory
*
* @param string $path the absolute path
* @return string e.g. turns '/admin/files/test.txt' into '/test.txt'
*/
private function stripUserFilesPath($path) {
$trimmed = ltrim($path, '/');
$split = explode('/', $trimmed);
// it is not a file relative to data/user/files
if (count($split) < 3 || $split[1] !== 'files') {
\OCP\Util::writeLog('file sharing',
'Can not strip userid and "files/" from path: ' . $path,
\OCP\Util::DEBUG);
return false;
}
// skip 'user' and 'files'
$sliced = array_slice($split, 2);
$relPath = implode('/', $sliced);
return '/' . $relPath;
}
/**
* Move the mount point to $target
*
* @param string $target the target mount point
* @return bool
*/
public function moveMount($target) {
// it shouldn't be possible to move a Shared storage into another one
list($targetStorage,) = Filesystem::resolvePath($target);
if ($targetStorage instanceof Shared) {
\OCP\Util::writeLog('file sharing',
'It is not allowed to move one mount point into another one',
\OCP\Util::DEBUG);
return false;
}
$relTargetPath = $this->stripUserFilesPath($target);
$share = $this->storage->getShare();
// if the user renames a mount point from a group share we need to create a new db entry
// for the unique name
if ($this->storage->getShareType() === \OCP\Share::SHARE_TYPE_GROUP && $this->storage->uniqueNameSet() === false) {
$query = \OC_DB::prepare('INSERT INTO `*PREFIX*share` (`item_type`, `item_source`, `item_target`,'
. ' `share_type`, `share_with`, `uid_owner`, `permissions`, `stime`, `file_source`,'
. ' `file_target`, `token`, `parent`) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)');
$arguments = array($share['item_type'], $share['item_source'], $share['item_target'],
2, \OCP\User::getUser(), $share['uid_owner'], $share['permissions'], $share['stime'], $share['file_source'],
$relTargetPath, $share['token'], $share['id']);
} else {
// rename mount point
$query = \OC_DB::prepare(
'UPDATE `*PREFIX*share`
SET `file_target` = ?
WHERE `id` = ?'
);
$arguments = array($relTargetPath, $this->storage->getShareId());
}
$result = $query->execute($arguments);
if ($result) {
$this->setMountPoint($target);
$this->storage->setUniqueName();
$this->storage->setMountPoint($relTargetPath);
} else {
\OCP\Util::writeLog('file sharing',
'Could not rename mount point for shared folder "' . $this->getMountPoint() . '" to "' . $target . '"',
\OCP\Util::ERROR);
}
return $result;
}
/**
* Remove the mount points
*
* @return mixed
* @return bool
*/
public function removeMount() {
}
}