Delete orphaned shares in a background job

1 files changed, 59 insertions, 0 deletions

diff --git a/apps/files_sharing/lib/deleteorphanedsharesjob.php b/apps/files_sharing/lib/deleteorphanedsharesjob.php
new file mode 100644
index 00000000000..f39078b778f
--- /dev/null
+++ b/apps/files_sharing/lib/deleteorphanedsharesjob.php
@@ -0,0 +1,59 @@
+<?php
+/**
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Vincent Petry <pvince81@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\Lib;
+
+use Doctrine\DBAL\Platforms\SqlitePlatform;
+use OCP\IDBConnection;
+use OC\BackgroundJob\TimedJob;
+
+/**
+ * Delete all share entries that have no matching entries in the file cache table.
+ */
+class DeleteOrphanedSharesJob extends TimedJob {
+
+	/**
+	 * Default interval in minutes
+	 *
+	 * @var int $defaultIntervalMin
+	 **/
+	protected $defaultIntervalMin = 15;
+
+	/**
+	 * Makes the background job do its work
+	 *
+	 * @param array $argument unused argument
+	 */
+	public function run($argument) {
+		$connection = \OC::$server->getDatabaseConnection();
+		$logger = \OC::$server->getLogger();
+
+		$sql =
+			'DELETE FROM `*PREFIX*share` ' .
+			'WHERE `item_type` in (\'file\', \'folder\') ' .
+			'AND NOT EXISTS (SELECT `fileid` FROM `*PREFIX*filecache` WHERE `file_source` = `fileid`)';
+
+		$deletedEntries = $connection->executeUpdate($sql);
+		$logger->info("$deletedEntries orphaned share(s) deleted", ['app' => 'DeleteOrphanedSharesJob']);
+	}
+
+}