Merge pull request #24898 from owncloud/avatar_repair

Repair job to fix permissions for avatars

2 files changed, 117 insertions, 0 deletions

diff --git a/lib/private/Repair.php b/lib/private/Repair.php
index 710bbbbaedf..bb2967d7e6e 100644
--- a/lib/private/Repair.php
+++ b/lib/private/Repair.php
@@ -29,6 +29,7 @@
 namespace OC;
 
 use OC\Repair\AssetCache;
+use OC\Repair\AvatarPermissions;
 use OC\Repair\CleanTags;
 use OC\Repair\Collation;
 use OC\Repair\DropOldJobs;
@@ -134,6 +135,7 @@ class Repair implements IOutput{
 			new RepairInvalidShares(\OC::$server->getConfig(), \OC::$server->getDatabaseConnection()),
 			new SharePropagation(\OC::$server->getConfig()),
 			new RemoveOldShares(\OC::$server->getDatabaseConnection()),
+			new AvatarPermissions(\OC::$server->getDatabaseConnection()),
 		];
 	}
 
diff --git a/lib/private/Repair/AvatarPermissions.php b/lib/private/Repair/AvatarPermissions.php
new file mode 100644
index 00000000000..d23479f5ba8
--- /dev/null
+++ b/lib/private/Repair/AvatarPermissions.php
@@ -0,0 +1,115 @@
+<?php
+/**
+ * @author Roeland Jago Douma <rullzer@owncloud.com>
+ *
+ * @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 OC\Repair;
+
+use Doctrine\DBAL\Platforms\OraclePlatform;
+use OCP\IDBConnection;
+use OCP\Migration\IOutput;
+use OCP\Migration\IRepairStep;
+
+/**
+ * Class AvatarPermissions
+ *
+ * @package OC\Repair
+ */
+class AvatarPermissions implements IRepairStep {
+	/** @var IDBConnection */
+	private $connection;
+
+	/**
+	 * AvatarPermissions constructor.
+	 *
+	 * @param IDBConnection $connection
+	 */
+	public function __construct(IDBConnection $connection) {
+		$this->connection = $connection;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getName() {
+		return 'Fix permissions so avatars can be stored again';
+	}
+
+	/**
+	 * @param IOutput $output
+	 */
+	public function run(IOutput $output) {
+		$output->startProgress(2);
+		$this->fixUserRootPermissions();
+		$output->advance();
+		$this->fixAvatarPermissions();
+		$output->finishProgress();
+	}
+
+	/**
+	 * Make sure all user roots have permissions 23 (all but share)
+	 */
+	protected function fixUserRootPermissions() {
+		$qb = $this->connection->getQueryBuilder();
+		$qb2 = $this->connection->getQueryBuilder();
+
+		$qb->select('numeric_id')
+			->from('storages')
+			->where($qb->expr()->like('id', $qb2->createParameter('like')));
+
+		if ($this->connection->getDatabasePlatform() instanceof OraclePlatform) {
+			// '' is null on oracle
+			$path = $qb2->expr()->isNull('path');
+		} else {
+			$path = $qb2->expr()->eq('path', $qb2->createNamedParameter(''));
+		}
+
+		$qb2->update('filecache')
+			->set('permissions', $qb2->createNamedParameter(23))
+			->where($path)
+			->andWhere($qb2->expr()->in('storage', $qb2->createFunction($qb->getSQL())))
+			->andWhere($qb2->expr()->neq('permissions', $qb2->createNamedParameter(23)))
+			->setParameter('like', 'home::%');
+
+
+		$qb2->execute();
+	}
+
+	/**
+	 * Make sure all avatar files in the user roots have permission 27
+	 */
+	protected function fixAvatarPermissions() {
+		$qb = $this->connection->getQueryBuilder();
+		$qb2 = $this->connection->getQueryBuilder();
+
+		$qb->select('numeric_id')
+			->from('storages')
+			->where($qb->expr()->like('id', $qb2->createParameter('like')));
+
+		$qb2->update('filecache')
+			->set('permissions', $qb2->createNamedParameter(27))
+			->where($qb2->expr()->like('path', $qb2->createNamedParameter('avatar.%')))
+			->andWhere($qb2->expr()->in('storage', $qb2->createFunction($qb->getSQL())))
+			->andWhere($qb2->expr()->neq('permissions', $qb2->createNamedParameter(27)))
+			->setParameter('like', 'home::%');
+
+		$qb2->execute();
+	}
+
+}
+