Sync federated clouds using a cron job

2 files changed, 98 insertions, 0 deletions

diff --git a/apps/federation/lib/syncfederationaddressbooks.php b/apps/federation/lib/syncfederationaddressbooks.php
new file mode 100644
index 00000000000..cff848bf135
--- /dev/null
+++ b/apps/federation/lib/syncfederationaddressbooks.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace OCA\Federation;
+
+use OCA\DAV\CardDAV\SyncService;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\ProgressBar;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class SyncFederationAddressBooks {
+
+	/** @var DbHandler */
+	protected $dbHandler;
+
+	/** @var SyncService */
+	private $syncService;
+
+	/**
+	 * @param DbHandler $dbHandler
+	 */
+	function __construct(DbHandler $dbHandler) {
+
+		$this->syncService = \OC::$server->query('CardDAVSyncService');
+		$this->dbHandler = $dbHandler;
+	}
+
+	public function syncThemAll(\Closure $callback) {
+
+		$trustedServers = $this->dbHandler->getAllServer();
+		foreach ($trustedServers as $trustedServer) {
+			$url = $trustedServer['url'];
+			$callback($url);
+			$sharedSecret = $trustedServer['shared_secret'];
+			$syncToken = $trustedServer['sync_token'];
+
+			if (is_null($sharedSecret)) {
+				continue;
+			}
+			$targetBookId = sha1($url);
+			$targetPrincipal = "principals/system/system";
+			$targetBookProperties = [
+					'{DAV:}displayname' => $url
+			];
+			try {
+				$newToken = $this->syncService->syncRemoteAddressBook($url, 'system', $sharedSecret, $syncToken, $targetPrincipal, $targetBookId, $targetBookProperties);
+				if ($newToken !== $syncToken) {
+					$this->dbHandler->setServerStatus($url, TrustedServers::STATUS_OK, $newToken);
+				}
+			} catch (\Exception $ex) {
+				$callback($url, $ex);
+			}
+		}
+	}
+}
diff --git a/apps/federation/lib/syncjob.php b/apps/federation/lib/syncjob.php
new file mode 100644
index 00000000000..2b904813b92
--- /dev/null
+++ b/apps/federation/lib/syncjob.php
@@ -0,0 +1,43 @@
+<?php
+/**
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ *
+ * @copyright Copyright (c) 2016, 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\Federation;
+
+use OC\BackgroundJob\TimedJob;
+use OCA\Federation\AppInfo\Application;
+
+class SyncJob extends TimedJob {
+
+	public function __construct() {
+		// Run once a day
+		$this->setInterval(24 * 60 * 60);
+	}
+
+	protected function run($argument) {
+		$app = new Application();
+		$ss = $app->getSyncService();
+		$ss->syncThemAll(function($url, $ex) {
+			if ($ex instanceof \Exception) {
+				\OC::$server->getLogger()->error("Error while syncing $url : " . $ex->getMessage(), ['app' => 'fed-sync']);
+			}
+		});
+	}
+}