nextcloud/lib/private/encryption/update.php

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<?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\Files\Mount;
use \OC\Files\View;
/**
* update encrypted files, e.g. because a file was shared
*/
class Update {
/** @var \OC\Files\View */
protected $view;
/** @var \OC\Encryption\Util */
protected $util;
/** @var \OC\Files\Mount\Manager */
protected $mountManager;
/** @var \OC\Encryption\Manager */
protected $encryptionManager;
/** @var string */
protected $uid;
/**
*
* @param \OC\Files\View $view
* @param \OC\Encryption\Util $util
* @param \OC\Files\Mount\Manager $mountManager
* @param \OC\Encryption\Manager $encryptionManager
* @param string $uid
*/
public function __construct(
View $view,
Util $util,
Mount\Manager $mountManager,
Manager $encryptionManager,
$uid
) {
$this->view = $view;
$this->util = $util;
$this->mountManager = $mountManager;
$this->encryptionManager = $encryptionManager;
$this->uid = $uid;
}
public function postShared($params) {
if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') {
$this->update($params['fileSource']);
}
}
public function postUnshared($params) {
if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') {
$this->update($params['fileSource']);
}
}
/**
* update keyfiles and share keys recursively
*
* @param int $fileSource file source id
*/
private function update($fileSource) {
$path = \OC\Files\Filesystem::getPath($fileSource);
$absPath = '/' . $this->uid . '/files' . $path;
$mount = $this->mountManager->find($path);
$mountPoint = $mount->getMountPoint();
// if a folder was shared, get a list of all (sub-)folders
if ($this->view->is_dir($absPath)) {
$allFiles = $this->util->getAllFiles($absPath, $mountPoint);
} else {
$allFiles = array($absPath);
}
$encryptionModule = $this->encryptionManager->getDefaultEncryptionModule();
foreach ($allFiles as $path) {
$usersSharing = $this->util->getSharingUsersArray($path);
$encryptionModule->update($absPath, $this->uid, $usersSharing);
}
}
}