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194 lines
5.0 KiB
194 lines
5.0 KiB
<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Bjoern Schiessle <bjoern@schiessle.org> |
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* @author Björn Schießle <bjoern@schiessle.org> |
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* @author Thomas Müller <thomas.mueller@tmit.eu> |
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* |
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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\Encryption; |
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use OC\Files\Filesystem; |
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use \OC\Files\Mount; |
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use \OC\Files\View; |
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/** |
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* update encrypted files, e.g. because a file was shared |
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*/ |
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class Update { |
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/** @var \OC\Files\View */ |
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protected $view; |
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/** @var \OC\Encryption\Util */ |
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protected $util; |
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/** @var \OC\Files\Mount\Manager */ |
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protected $mountManager; |
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/** @var \OC\Encryption\Manager */ |
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protected $encryptionManager; |
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/** @var string */ |
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protected $uid; |
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/** @var \OC\Encryption\File */ |
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protected $file; |
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/** |
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* |
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* @param \OC\Files\View $view |
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* @param \OC\Encryption\Util $util |
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* @param \OC\Files\Mount\Manager $mountManager |
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* @param \OC\Encryption\Manager $encryptionManager |
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* @param \OC\Encryption\File $file |
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* @param string $uid |
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*/ |
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public function __construct( |
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View $view, |
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Util $util, |
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Mount\Manager $mountManager, |
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Manager $encryptionManager, |
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File $file, |
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$uid |
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) { |
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$this->view = $view; |
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$this->util = $util; |
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$this->mountManager = $mountManager; |
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$this->encryptionManager = $encryptionManager; |
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$this->file = $file; |
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$this->uid = $uid; |
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} |
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/** |
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* hook after file was shared |
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* |
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* @param array $params |
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*/ |
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public function postShared($params) { |
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if ($this->encryptionManager->isEnabled()) { |
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if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') { |
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$path = Filesystem::getPath($params['fileSource']); |
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list($owner, $ownerPath) = $this->getOwnerPath($path); |
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$absPath = '/' . $owner . '/files/' . $ownerPath; |
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$this->update($absPath); |
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} |
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} |
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} |
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/** |
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* hook after file was unshared |
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* |
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* @param array $params |
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*/ |
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public function postUnshared($params) { |
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if ($this->encryptionManager->isEnabled()) { |
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if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') { |
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$path = Filesystem::getPath($params['fileSource']); |
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list($owner, $ownerPath) = $this->getOwnerPath($path); |
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$absPath = '/' . $owner . '/files/' . $ownerPath; |
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$this->update($absPath); |
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} |
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} |
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} |
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/** |
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* inform encryption module that a file was restored from the trash bin, |
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* e.g. to update the encryption keys |
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* |
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* @param array $params |
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*/ |
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public function postRestore($params) { |
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if ($this->encryptionManager->isEnabled()) { |
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$path = Filesystem::normalizePath('/' . $this->uid . '/files/' . $params['filePath']); |
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$this->update($path); |
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} |
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} |
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/** |
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* inform encryption module that a file was renamed, |
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* e.g. to update the encryption keys |
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* |
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* @param array $params |
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*/ |
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public function postRename($params) { |
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$source = $params['oldpath']; |
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$target = $params['newpath']; |
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if( |
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$this->encryptionManager->isEnabled() && |
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dirname($source) !== dirname($target) |
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) { |
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list($owner, $ownerPath) = $this->getOwnerPath($target); |
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$absPath = '/' . $owner . '/files/' . $ownerPath; |
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$this->update($absPath); |
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} |
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} |
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/** |
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* get owner and path relative to data/<owner>/files |
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* |
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* @param string $path path to file for current user |
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* @return array ['owner' => $owner, 'path' => $path] |
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* @throw \InvalidArgumentException |
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*/ |
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protected function getOwnerPath($path) { |
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$info = Filesystem::getFileInfo($path); |
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$owner = Filesystem::getOwner($path); |
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$view = new View('/' . $owner . '/files'); |
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$path = $view->getPath($info->getId()); |
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if ($path === null) { |
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throw new \InvalidArgumentException('No file found for ' . $info->getId()); |
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} |
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return array($owner, $path); |
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} |
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/** |
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* notify encryption module about added/removed users from a file/folder |
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* |
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* @param string $path relative to data/ |
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* @throws Exceptions\ModuleDoesNotExistsException |
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*/ |
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public function update($path) { |
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$encryptionModule = $this->encryptionManager->getEncryptionModule(); |
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// if the encryption module doesn't encrypt the files on a per-user basis |
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// we have nothing to do here. |
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if ($encryptionModule->needDetailedAccessList() === false) { |
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return; |
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} |
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// if a folder was shared, get a list of all (sub-)folders |
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if ($this->view->is_dir($path)) { |
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$allFiles = $this->util->getAllFiles($path); |
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} else { |
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$allFiles = array($path); |
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} |
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foreach ($allFiles as $file) { |
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$usersSharing = $this->file->getAccessList($file); |
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$encryptionModule->update($file, $this->uid, $usersSharing); |
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} |
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} |
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}
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