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- <?php
- /**
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Robin Appelman <icewind@owncloud.com>
- *
- * @copyright Copyright (c) 2015, ownCloud, Inc.
- * @license AGPL-3.0
- *
- * This code is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License, version 3,
- * as published by the Free Software Foundation.
- *
- * This program 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, version 3,
- * along with this program. If not, see <http://www.gnu.org/licenses/>
- *
- */
-
- namespace OCA\Files_Sharing\Propagation;
-
- use OC\Files\Cache\ChangePropagator;
- use OC\Files\View;
- use OC\Share\Share;
-
- /**
- * Propagate etags for share recipients
- */
- class RecipientPropagator {
- /**
- * @var string
- */
- protected $userId;
-
- /**
- * @var \OC\Files\Cache\ChangePropagator
- */
- protected $changePropagator;
-
- /**
- * @var \OCP\IConfig
- */
- protected $config;
-
- /**
- * @param string $userId current user, must match the propagator's
- * user
- * @param \OC\Files\Cache\ChangePropagator $changePropagator change propagator
- * initialized with a view for $user
- * @param \OCP\IConfig $config
- */
- public function __construct($userId, $changePropagator, $config) {
- $this->userId = $userId;
- $this->changePropagator = $changePropagator;
- $this->config = $config;
- }
-
- /**
- * Propagate the etag changes for all shares marked as dirty and mark the shares as clean
- *
- * @param array $shares the shares for the users
- * @param int $time
- */
- public function propagateDirtyMountPoints(array $shares, $time = null) {
- if ($time === null) {
- $time = microtime(true);
- }
- $dirtyShares = $this->getDirtyShares($shares);
- foreach ($dirtyShares as $share) {
- $this->changePropagator->addChange($share['file_target']);
- }
- if (count($dirtyShares)) {
- $this->config->setUserValue($this->userId, 'files_sharing', 'last_propagate', $time);
- $this->changePropagator->propagateChanges(floor($time));
- }
- }
-
- /**
- * Get all shares we need to update the etag for
- *
- * @param array $shares the shares for the users
- * @return string[]
- */
- protected function getDirtyShares($shares) {
- $dirty = [];
- $userTime = $this->config->getUserValue($this->userId, 'files_sharing', 'last_propagate', 0);
- foreach ($shares as $share) {
- $updateTime = $this->config->getAppValue('files_sharing', $share['id'], 0);
- if ($updateTime >= $userTime) {
- $dirty[] = $share;
- }
- }
- return $dirty;
- }
-
- /**
- * @param array $share
- * @param int $time
- */
- public function markDirty($share, $time = null) {
- if ($time === null) {
- $time = microtime(true);
- }
- $this->config->setAppValue('files_sharing', $share['id'], $time);
- }
-
- /**
- * Listen on the propagator for updates made to shares owned by a user
- *
- * @param \OC\Files\Cache\ChangePropagator $propagator
- * @param string $owner
- */
- public function attachToPropagator(ChangePropagator $propagator, $owner) {
- $propagator->listen('\OC\Files', 'propagate', function ($path, $entry) use ($owner) {
- $shares = Share::getAllSharesForFileId($entry['fileid']);
- foreach ($shares as $share) {
- // propagate down the share tree
- $this->markDirty($share, microtime(true));
-
- // propagate up the share tree
- $user = $share['uid_owner'];
- $view = new View('/' . $user . '/files');
- $path = $view->getPath($share['file_source']);
- $watcher = new ChangeWatcher($view);
- $watcher->writeHook(['path' => $path]);
- }
- });
- }
- }
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