Add DAV repair step to fix calendar data

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>

2 files changed, 134 insertions, 0 deletions

diff --git a/apps/dav/lib/Migration/ValueFix.php b/apps/dav/lib/Migration/ValueFix.php
new file mode 100644
index 00000000000..2ad043b409d
--- /dev/null
+++ b/apps/dav/lib/Migration/ValueFix.php
@@ -0,0 +1,71 @@
+<?php
+/**
+ * @copyright 2016, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OC\BackgroundJob\QueuedJob;
+use OCA\DAV\CalDAV\CalDavBackend;
+use OCP\ILogger;
+use Sabre\VObject\InvalidDataException;
+
+class ValueFix extends QueuedJob {
+
+	/** @var CalDavBackend */
+	private $calDavBackend;
+
+	/** @var ILogger */
+	private $logger;
+
+	public function __construct(CalDavBackend $calDavBackend, ILogger $logger) {
+		$this->calDavBackend = $calDavBackend;
+		$this->logger = $logger;
+	}
+
+	public function run($argument) {
+		$user = $argument['user'];
+
+		$pattern = '/;VALUE=:/';
+ 		$principal = 'principals/users/' . $user;
+		$calendars = $this->calDavBackend->getCalendarsForUser($principal);
+		foreach ($calendars as $calendar) {
+			$objects = $this->calDavBackend->getCalendarObjects($calendar['id']);
+			foreach ($objects as $object) {
+				$calObject = $this->calDavBackend->getCalendarObject($calendar['id'], $object['uri']);
+				$data = preg_replace($pattern, ':', $calObject['calendardata']);
+				if ($data !== $calObject['calendardata']) {
+					try {
+						$this->calDavBackend->getDenormalizedData($data);
+					} catch (InvalidDataException $e) {
+						$this->logger->info('Calendar object for calendar {cal} with uri {uri} still invalid', [
+							'app'=> 'dav',
+							'cal' => $calendar['id'],
+							'uri' => $object['uri'],
+						]);
+						continue;
+					}
+					$this->calDavBackend->updateCalendarObject($calendar['id'], $object['uri'], $data);
+				}
+			}
+		}
+	}
+
+}
diff --git a/apps/dav/lib/Migration/ValueFixInsert.php b/apps/dav/lib/Migration/ValueFixInsert.php
new file mode 100644
index 00000000000..25917691b20
--- /dev/null
+++ b/apps/dav/lib/Migration/ValueFixInsert.php
@@ -0,0 +1,63 @@
+<?php
+/**
+ * @copyright 2016, Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @author Roeland Jago Douma <roeland@famdouma.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\Migration;
+
+use OCP\BackgroundJob\IJobList;
+use OCP\IConfig;
+use OCP\IUser;
+use OCP\IUserManager;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+class ValueFixInsert implements IRepairStep {
+
+	/** @var IUserManager */
+	private $userManager;
+
+	/** @var IJobList */
+	private $jobList;
+
+	/** @var IConfig */
+	private $config;
+
+	public function __construct(IUserManager $userManager,
+								IJobList $jobList,
+								IConfig $config) {
+		$this->userManager = $userManager;
+		$this->jobList = $jobList;
+		$this->config = $config;
+	}
+
+	public function getName() {
+		return 'Insert ValueFix background job for each user';
+	}
+
+	public function run(IOutput $output) {
+		if ($this->config->getAppValue('dav', self::class . '_ran', 'false') !== 'true') {
+			$this->userManager->callForSeenUsers(function (IUser $user) {
+				$this->jobList->add(ValueFix::class, ['user' => $user->getUID()]);
+			});
+			$this->config->setAppValue('dav', self::class . '_ran', 'true');
+		}
+	}
+}