Sync federated clouds using a cron job

apps/federation/appinfo/application.php

@@ -28,6 +28,8 @@ use OCA\Federation\DAV\FedAuth;
 use OCA\Federation\DbHandler;
 use OCA\Federation\Hooks;
 use OCA\Federation\Middleware\AddServerMiddleware;
+use OCA\Federation\SyncFederationAddressBooks;
+use OCA\Federation\SyncJob;
 use OCA\Federation\TrustedServers;
 use OCP\API;
 use OCP\App;
@@ -163,4 +165,17 @@ class Application extends \OCP\AppFramework\App {
 		});
 	}
 
+	public function setupCron() {
+		$jl = $this->getContainer()->getServer()->getJobList();
+		$jl->add(new SyncJob());
+	}
+
+	/**
+	 * @return SyncFederationAddressBooks
+	 */
+	public function getSyncService() {
+		$dbHandler = $this->getContainer()->query('DbHandler');
+		return new SyncFederationAddressBooks($dbHandler);
+	}
+
 }

apps/federation/appinfo/install.php

@@ -0,0 +1,23 @@
+<?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/>
+ *
+ */
+
+$app = new \OCA\Federation\AppInfo\Application();
+$app->setupCron();

apps/federation/appinfo/register_command.php

@@ -1,8 +1,7 @@
 <?php
 
-$dbConnection = \OC::$server->getDatabaseConnection();
-$l10n = \OC::$server->getL10N('federation');
-$dbHandler = new \OCA\Federation\DbHandler($dbConnection, $l10n);
+$app = new \OCA\Federation\AppInfo\Application();
+$syncService = $app->getSyncService();
 
 /** @var Symfony\Component\Console\Application $application */
-$application->add(new \OCA\Federation\Command\SyncFederationAddressBooks($dbHandler));
+$application->add(new \OCA\Federation\Command\SyncFederationAddressBooks($syncService));

apps/federation/appinfo/update.php

@@ -0,0 +1,23 @@
+<?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/>
+ *
+ */
+
+$app = new \OCA\Federation\AppInfo\Application();
+$app->setupCron();

apps/federation/command/syncfederationaddressbooks.php

@@ -2,9 +2,7 @@
 
 namespace OCA\Federation\Command;
 
-use OCA\DAV\CardDAV\SyncService;
 use OCA\Federation\DbHandler;
-use OCA\Federation\TrustedServers;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Helper\ProgressBar;
 use Symfony\Component\Console\Input\InputInterface;
@@ -12,20 +10,16 @@ use Symfony\Component\Console\Output\OutputInterface;
 
 class SyncFederationAddressBooks extends Command {
 
-	/** @var DbHandler */
-	protected $dbHandler;
-
-	/** @var SyncService */
+	/** @var \OCA\Federation\SyncFederationAddressBooks */
 	private $syncService;
 
 	/**
 	 * @param DbHandler $dbHandler
 	 */
-	function __construct(DbHandler $dbHandler) {
+	function __construct(\OCA\Federation\SyncFederationAddressBooks $syncService) {
 		parent::__construct();
 
-		$this->syncService = \OC::$server->query('CardDAVSyncService');
-		$this->dbHandler = $dbHandler;
+		$this->syncService = $syncService;
 	}
 
 	protected function configure() {
@@ -42,30 +36,14 @@ class SyncFederationAddressBooks extends Command {
 
 		$progress = new ProgressBar($output);
 		$progress->start();
-		$trustedServers = $this->dbHandler->getAllServer();
-		foreach ($trustedServers as $trustedServer) {
-			$progress->advance();
-			$url = $trustedServer['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) {
+		$this->syncService->syncThemAll(function($url, $ex) use ($progress, $output) {
+			if ($ex instanceof \Exception) {
 				$output->writeln("Error while syncing $url : " . $ex->getMessage());
+			} else {
+				$progress->advance();
 			}
-		}
+		});
+
 		$progress->finish();
 		$output->writeln('');
 	}

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);
+			}
+		}
+	}
+}

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']);
+			}
+		});
+	}
+}