server/lib/private/encryption/file.php

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2.3 KiB
PHP

<?php
/**
* ownCloud
*
* @copyright (C) 2015 ownCloud, Inc.
*
* @author Bjoern Schiessle <schiessle@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\Encryption;
use OC\Encryption\Util;
class File implements \OCP\Encryption\IFile {
/** @var Util */
protected $util;
public function __construct(Util $util) {
$this->util = $util;
}
/**
* get list of users with access to the file
*
* @param $path to the file
* @return array
*/
public function getAccessList($path) {
// Make sure that a share key is generated for the owner too
list($owner, $ownerPath) = $this->util->getUidAndFilename($path);
// always add owner to the list of users with access to the file
$userIds = array($owner);
if (!$this->util->isFile($ownerPath)) {
return array('users' => $userIds, 'public' => false);
}
$ownerPath = substr($ownerPath, strlen('/files'));
$ownerPath = $this->util->stripPartialFileExtension($ownerPath);
// Find out who, if anyone, is sharing the file
$result = \OCP\Share::getUsersSharingFile($ownerPath, $owner);
$userIds = \array_merge($userIds, $result['users']);
$public = $result['public'] || $result['remote'];
// check if it is a group mount
if (\OCP\App::isEnabled("files_external")) {
$mounts = \OC_Mount_Config::getSystemMountPoints();
foreach ($mounts as $mount) {
if ($mount['mountpoint'] == substr($ownerPath, 1, strlen($mount['mountpoint']))) {
$mountedFor = $this->util->getUserWithAccessToMountPoint($mount['applicable']['users'], $mount['applicable']['groups']);
$userIds = array_merge($userIds, $mountedFor);
}
}
}
// Remove duplicate UIDs
$uniqueUserIds = array_unique($userIds);
return array('users' => $uniqueUserIds, 'public' => $public);
}
}