[Pkg-owncloud-commits] [owncloud] 104/153: move the mount point up if a share is mounted to a subfolder and the subfolder no longer exists

David Prévot taffit at moszumanska.debian.org
Tue May 27 03:05:43 UTC 2014


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taffit pushed a commit to branch master
in repository owncloud.

commit 5f403f3e920ea8f6ed5d0441762b3e4f4a9bd38e
Author: Bjoern Schiessle <schiessle at owncloud.com>
Date:   Wed Apr 30 16:56:09 2014 +0200

    move the mount point up if a share is mounted to a subfolder and the subfolder no longer exists
---
 apps/files_sharing/appinfo/app.php         |   3 +
 apps/files_sharing/lib/helper.php          |  22 +++++
 apps/files_sharing/lib/proxy.php           |  69 ++++++++++++++++
 apps/files_sharing/lib/share/file.php      |  11 +--
 apps/files_sharing/lib/sharedstorage.php   | 113 +++++++++++++++----------
 apps/files_sharing/lib/updater.php         |   9 +-
 apps/files_sharing/tests/proxy.php         |  98 ++++++++++++++++++++++
 apps/files_sharing/tests/sharedstorage.php |  46 +++++++++++
 apps/files_sharing/tests/updater.php       | 128 ++++++++++++++++++++++++-----
 lib/private/files/mount/mount.php          |  11 +++
 10 files changed, 432 insertions(+), 78 deletions(-)

diff --git a/apps/files_sharing/appinfo/app.php b/apps/files_sharing/appinfo/app.php
index 0ef3457..fa43f33 100644
--- a/apps/files_sharing/appinfo/app.php
+++ b/apps/files_sharing/appinfo/app.php
@@ -9,6 +9,7 @@ OC::$CLASSPATH['OC\Files\Cache\Shared_Updater'] = 'files_sharing/lib/updater.php
 OC::$CLASSPATH['OC\Files\Cache\Shared_Watcher'] = 'files_sharing/lib/watcher.php';
 OC::$CLASSPATH['OCA\Files\Share\Api'] = 'files_sharing/lib/api.php';
 OC::$CLASSPATH['OCA\Files\Share\Maintainer'] = 'files_sharing/lib/maintainer.php';
+OC::$CLASSPATH['OCA\Files\Share\Proxy'] = 'files_sharing/lib/proxy.php';
 OCP\Util::connectHook('OC_Filesystem', 'setup', '\OC\Files\Storage\Shared', 'setup');
 OCP\Share::registerBackend('file', 'OC_Share_Backend_File');
 OCP\Share::registerBackend('folder', 'OC_Share_Backend_Folder', 'file');
@@ -18,3 +19,5 @@ OCP\Util::addScript('files_sharing', 'share');
 \OC_Hook::connect('OC_Filesystem', 'delete', '\OC\Files\Cache\Shared_Updater', 'deleteHook');
 \OC_Hook::connect('OC_Filesystem', 'post_rename', '\OC\Files\Cache\Shared_Updater', 'renameHook');
 \OC_Hook::connect('OC_Appconfig', 'post_set_value', '\OCA\Files\Share\Maintainer', 'configChangeHook');
+
+OC_FileProxy::register(new OCA\Files\Share\Proxy());
diff --git a/apps/files_sharing/lib/helper.php b/apps/files_sharing/lib/helper.php
index 71b496a..49546f0 100644
--- a/apps/files_sharing/lib/helper.php
+++ b/apps/files_sharing/lib/helper.php
@@ -180,4 +180,26 @@ class Helper {
 
 		return $relPath;
 	}
+
+	/**
+	 * check if file name already exists and generate unique target
+	 *
+	 * @param string $path
+	 * @param array $excludeList
+	 * @param \OC\Files\View $view
+	 * @return string $path
+	 */
+	public static function generateUniqueTarget($path, $excludeList, $view) {
+		$pathinfo = pathinfo($path);
+		$ext = (isset($pathinfo['extension'])) ? '.'.$pathinfo['extension'] : '';
+		$name = $pathinfo['filename'];
+		$dir = $pathinfo['dirname'];
+		$i = 2;
+		while ($view->file_exists($path) || in_array($path, $excludeList)) {
+			$path = \OC\Files\Filesystem::normalizePath($dir . '/' . $name . ' ('.$i.')' . $ext);
+			$i++;
+		}
+
+		return $path;
+	}
 }
diff --git a/apps/files_sharing/lib/proxy.php b/apps/files_sharing/lib/proxy.php
new file mode 100644
index 0000000..c899a4b
--- /dev/null
+++ b/apps/files_sharing/lib/proxy.php
@@ -0,0 +1,69 @@
+<?php
+/**
+ * ownCloud
+ *
+ * @author Bjoern Schiessle
+ * @copyright 2014 Bjoern Schiessle <schiessle at owncloud.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Files\Share;
+
+class Proxy extends \OC_FileProxy {
+
+	/**
+	 * check if the deleted folder contains share mount points and move them
+	 * up to the parent
+	 *
+	 * @param string $path
+	 */
+	public function preUnlink($path) {
+		$this->moveMountPointsUp($path);
+	}
+
+	/**
+	 * check if the deleted folder contains share mount points and move them
+	 * up to the parent
+	 *
+	 * @param string $path
+	 */
+	public function preRmdir($path) {
+		$this->moveMountPointsUp($path);
+	}
+
+	/**
+	 * move share mount points up to the parent
+	 *
+	 * @param string $path
+	 */
+	private function moveMountPointsUp($path) {
+		$view = new \OC\Files\View('/');
+
+		// find share mount points within $path and move them up to the parent folder
+		// before we delete $path
+		$mountManager = \OC\Files\Filesystem::getMountManager();
+		$mountedShares = $mountManager->findIn($path);
+		foreach ($mountedShares as $mount) {
+			if ($mount->getStorage() instanceof \OC\Files\Storage\Shared) {
+				$mountPoint = $mount->getMountPoint();
+				$mountPointName = $mount->getMountPointName();
+				$target = \OCA\Files_Sharing\Helper::generateUniqueTarget(dirname($path) . '/' . $mountPointName, array(), $view);
+				$view->rename($mountPoint, $target);
+			}
+		}
+	}
+
+}
diff --git a/apps/files_sharing/lib/share/file.php b/apps/files_sharing/lib/share/file.php
index af71786..9159546 100644
--- a/apps/files_sharing/lib/share/file.php
+++ b/apps/files_sharing/lib/share/file.php
@@ -75,16 +75,7 @@ class OC_Share_Backend_File implements OCP\Share_Backend_File_Dependent {
 			$excludeList = array_merge($excludeList, $exclude);
 		}
 
-		$pathinfo = pathinfo($target);
-		$ext = (isset($pathinfo['extension'])) ? '.'.$pathinfo['extension'] : '';
-		$name = $pathinfo['filename'];
-		$i = 2;
-		while ($view->file_exists($target) || in_array($target, $excludeList)) {
-			$target = '/' . $name . ' ('.$i.')' . $ext;
-			$i++;
-		}
-
-		return $target;
+		return \OCA\Files_Sharing\Helper::generateUniqueTarget($target, $excludeList, $view);
 	}
 
 	public function formatItems($items, $format, $parameters = null) {
diff --git a/apps/files_sharing/lib/sharedstorage.php b/apps/files_sharing/lib/sharedstorage.php
index 4b69276..c18e309 100644
--- a/apps/files_sharing/lib/sharedstorage.php
+++ b/apps/files_sharing/lib/sharedstorage.php
@@ -305,27 +305,12 @@ class Shared extends \OC\Files\Storage\Common {
 
 		$relTargetPath = $this->stripUserFilesPath($targetPath);
 
-		// if the user renames a mount point from a group share we need to create a new db entry
-		// for the unique name
-		if ($this->getShareType() === \OCP\Share::SHARE_TYPE_GROUP && $this->uniqueNameSet() === false) {
-			$query = \OC_DB::prepare('INSERT INTO `*PREFIX*share` (`item_type`, `item_source`, `item_target`,'
-			.' `share_type`, `share_with`, `uid_owner`, `permissions`, `stime`, `file_source`,'
-			.' `file_target`, `token`, `parent`) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)');
-			$arguments = array($this->share['item_type'], $this->share['item_source'], $this->share['item_target'],
-				2, \OCP\User::getUser(), $this->share['uid_owner'], $this->share['permissions'], $this->share['stime'], $this->share['file_source'],
-				$relTargetPath, $this->share['token'], $this->share['id']);
-
-		} else {
-			// rename mount point
-			$query = \OC_DB::prepare(
-					'Update `*PREFIX*share`
-						SET `file_target` = ?
-						WHERE `id` = ?'
-					);
-			$arguments = array($relTargetPath, $this->getShareId());
+		if ($relTargetPath === false) {
+			\OCP\Util::writeLog('file sharing', 'Wrong target path given: ' . $targetPath, \OCP\Util::ERROR);
+			return false;
 		}
 
-		$result = $query->execute($arguments);
+		$result = self::updateFileTarget($relTargetPath, $this->share);
 
 		if ($result) {
 			// update the mount manager with the new paths
@@ -343,9 +328,39 @@ class Shared extends \OC\Files\Storage\Common {
 					\OCP\Util::ERROR);
 		}
 
-		return $result;
+		return (bool)$result;
 	}
 
+	/**
+	 * @update fileTarget in the database if the mount point changed
+	 * @param string $newPath
+	 * @param array $share reference to the share which should be modified
+	 * @return type
+	 */
+	private static function updateFileTarget($newPath, &$share) {
+		// if the user renames a mount point from a group share we need to create a new db entry
+		// for the unique name
+		if ($share['share_type'] === \OCP\Share::SHARE_TYPE_GROUP &&
+				(isset($share['unique_name']) && $share['unique_name'])) {
+			$query = \OC_DB::prepare('INSERT INTO `*PREFIX*share` (`item_type`, `item_source`, `item_target`,'
+			.' `share_type`, `share_with`, `uid_owner`, `permissions`, `stime`, `file_source`,'
+			.' `file_target`, `token`, `parent`) VALUES (?,?,?,?,?,?,?,?,?,?,?,?)');
+			$arguments = array($share['item_type'], $share['item_source'], $share['item_target'],
+				2, \OCP\User::getUser(), $share['uid_owner'], $share['permissions'], $share['stime'], $share['file_source'],
+				$newPath, $share['token'], $share['id']);
+
+		} else {
+			// rename mount point
+			$query = \OC_DB::prepare(
+					'Update `*PREFIX*share`
+						SET `file_target` = ?
+						WHERE `id` = ?'
+					);
+			$arguments = array($newPath, $share['id']);
+		}
+
+		return $query->execute($arguments);
+	}
 
 	public function rename($path1, $path2) {
 
@@ -471,6 +486,7 @@ class Shared extends \OC\Files\Storage\Common {
 			|| $shares
 		) {
 			foreach ($shares as $share) {
+				self::verifyMountPoint($share);
 				\OC\Files\Filesystem::mount('\OC\Files\Storage\Shared',
 						array(
 							'share' => $share,
@@ -481,19 +497,39 @@ class Shared extends \OC\Files\Storage\Common {
 	}
 
 	/**
-	 * return mount point of share, relative to data/user/files
-	 * @return string
+	 * check if the parent folder exists otherwise move the mount point up
+	 *
+	 * @param array $share reference to the share we want to check
 	 */
-	public function getMountPoint() {
-		return $this->share['file_target'];
+	private static function verifyMountPoint(&$share) {
+		$mountPoint = basename($share['file_target']);
+		$parent = dirname($share['file_target']);
+
+		while (!\OC\Files\Filesystem::is_dir($parent)) {
+			$parent = dirname($parent);
+		}
+
+		$newMountPoint = \OC\Files\Filesystem::normalizePath($parent . '/' . $mountPoint);
+
+		if($newMountPoint !== $share['file_target']) {
+			$newMountPoint = \OCA\Files_Sharing\Helper::generateUniqueTarget(
+					$newMountPoint,
+					array(),
+					new \OC\Files\View('/' . \OCP\User::getUser() . '/files')
+					);
+			self::updateFileTarget($newMountPoint, $share);
+			$share['file_target'] = $newMountPoint;
+
+		}
 	}
 
 	/**
-	 * get share type
-	 * @return integer can be single user share (0) group share (1), unique group share name (2)
+	 * return mount point of share, relative to data/user/files
+	 *
+	 * @return string
 	 */
-	private function getShareType() {
-		return $this->share['share_type'];
+	public function getMountPoint() {
+		return $this->share['file_target'];
 	}
 
 	private function setMountPoint($path) {
@@ -501,30 +537,17 @@ class Shared extends \OC\Files\Storage\Common {
 	}
 
 	/**
-	 * does the group share already has a user specific unique name
-	 * @return bool
-	 */
-	private function uniqueNameSet() {
-		return (isset($this->share['unique_name']) && $this->share['unique_name']);
-	}
-
-	/**
 	 * the share now uses a unique name of this user
+	 *
+	 * @brief the share now uses a unique name of this user
 	 */
 	private function setUniqueName() {
 		$this->share['unique_name'] = true;
 	}
 
 	/**
-	 * get share ID
-	 * @return integer unique share ID
-	 */
-	private function getShareId() {
-		return $this->share['id'];
-	}
-
-	/**
-	 * get the user who shared the file
+	 * @brief get the user who shared the file
+	 *
 	 * @return string
 	 */
 	public function getSharedFrom() {
diff --git a/apps/files_sharing/lib/updater.php b/apps/files_sharing/lib/updater.php
index 21d67ca..5cb2b63 100644
--- a/apps/files_sharing/lib/updater.php
+++ b/apps/files_sharing/lib/updater.php
@@ -115,11 +115,14 @@ class Shared_Updater {
 	 * @param array $params
 	 */
 	static public function deleteHook($params) {
-		self::correctFolders($params['path']);
-		$fileInfo = \OC\Files\Filesystem::getFileInfo($params['path']);
+		$path = $params['path'];
+		self::correctFolders($path);
+
+		$fileInfo = \OC\Files\Filesystem::getFileInfo($path);
+
 		// mark file as deleted so that we can clean up the share table if
 		// the file was deleted successfully
-		self::$toRemove[$params['path']] =  $fileInfo['fileid'];
+		self::$toRemove[$path] =  $fileInfo['fileid'];
 	}
 
 	/**
diff --git a/apps/files_sharing/tests/proxy.php b/apps/files_sharing/tests/proxy.php
new file mode 100644
index 0000000..4024020
--- /dev/null
+++ b/apps/files_sharing/tests/proxy.php
@@ -0,0 +1,98 @@
+<?php
+/**
+ * ownCloud
+ *
+ * @author Bjoern Schiessle
+ * @copyright 2014 Bjoern Schiessle <schiessle at owncloud.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+require_once __DIR__ . '/base.php';
+
+use OCA\Files\Share;
+
+/**
+ * Class Test_Files_Sharing_Api
+ */
+class Test_Files_Sharing_Api extends Test_Files_Sharing_Base {
+
+	const TEST_FOLDER_NAME = '/folder_share_api_test';
+
+	private static $tempStorage;
+
+	function setUp() {
+		parent::setUp();
+
+		// load proxies
+		OC::$CLASSPATH['OCA\Files\Share\Proxy'] = 'files_sharing/lib/proxy.php';
+		OC_FileProxy::register(new OCA\Files\Share\Proxy());
+
+		$this->folder = self::TEST_FOLDER_NAME;
+		$this->subfolder  = '/subfolder_share_api_test';
+		$this->subsubfolder = '/subsubfolder_share_api_test';
+
+		$this->filename = '/share-api-test';
+
+		// save file with content
+		$this->view->file_put_contents($this->filename, $this->data);
+		$this->view->mkdir($this->folder);
+		$this->view->mkdir($this->folder . $this->subfolder);
+		$this->view->mkdir($this->folder . $this->subfolder . $this->subsubfolder);
+		$this->view->file_put_contents($this->folder.$this->filename, $this->data);
+		$this->view->file_put_contents($this->folder . $this->subfolder . $this->filename, $this->data);
+	}
+
+	function tearDown() {
+		$this->view->unlink($this->filename);
+		$this->view->deleteAll($this->folder);
+
+		self::$tempStorage = null;
+
+		parent::tearDown();
+	}
+
+	/**
+	 * @medium
+	 */
+	function testpreUnlink() {
+
+		$fileInfo1 = \OC\Files\Filesystem::getFileInfo($this->filename);
+		$fileInfo2 = \OC\Files\Filesystem::getFileInfo($this->folder);
+
+		$result = \OCP\Share::shareItem('file', $fileInfo1->getId(), \OCP\Share::SHARE_TYPE_USER, self::TEST_FILES_SHARING_API_USER2, 31);
+		$this->assertTrue($result);
+
+		$result = \OCP\Share::shareItem('folder', $fileInfo2->getId(), \OCP\Share::SHARE_TYPE_USER, self::TEST_FILES_SHARING_API_USER2, 31);
+		$this->assertTrue($result);
+
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER2);
+
+		// move shared folder to 'localDir' and rename it, so that it uses the same
+		// name as the shared file
+		\OC\Files\Filesystem::mkdir('localDir');
+		$result = \OC\Files\Filesystem::rename($this->folder, '/localDir/' . $this->filename);
+		$this->assertTrue($result);
+
+		\OC\Files\Filesystem::unlink('localDir');
+
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER2);
+
+		// after we deleted 'localDir' the share should be moved up to the root and be
+		// renamed to "filename (2)"
+		$this->assertTrue(\OC\Files\Filesystem::file_exists($this->filename));
+		$this->assertTrue(\OC\Files\Filesystem::file_exists($this->filename . ' (2)' ));
+	}
+}
diff --git a/apps/files_sharing/tests/sharedstorage.php b/apps/files_sharing/tests/sharedstorage.php
index 66518a2..258a2a9 100644
--- a/apps/files_sharing/tests/sharedstorage.php
+++ b/apps/files_sharing/tests/sharedstorage.php
@@ -49,6 +49,48 @@ class Test_Files_Sharing_Storage extends Test_Files_Sharing_Base {
 	/**
 	 * @medium
 	 */
+	function testDeleteParentOfMountPoint() {
+
+		// share to user
+		$fileinfo = $this->view->getFileInfo($this->folder);
+		$result = \OCP\Share::shareItem('folder', $fileinfo['fileid'], \OCP\Share::SHARE_TYPE_USER,
+			self::TEST_FILES_SHARING_API_USER2, 31);
+
+		$this->assertTrue($result);
+
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER2);
+		$user2View = new \OC\Files\View('/' . self::TEST_FILES_SHARING_API_USER2 . '/files');
+		$this->assertTrue($user2View->file_exists($this->folder));
+
+		// create a local folder
+		$result = $user2View->mkdir('localfolder');
+		$this->assertTrue($result);
+
+		// move mount point to local folder
+		$result = $user2View->rename($this->folder, '/localfolder/' . $this->folder);
+		$this->assertTrue($result);
+
+		// mount point in the root folder should no longer exist
+		$this->assertFalse($user2View->is_dir($this->folder));
+
+		// delete the local folder
+		$result = $user2View->unlink('/localfolder');
+		$this->assertTrue($result);
+
+		//enforce reload of the mount points
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER2);
+
+		//mount point should be back at the root
+		$this->assertTrue($user2View->is_dir($this->folder));
+
+		//cleanup
+		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
+		$this->view->unlink($this->folder);
+	}
+
+	/**
+	 * @medium
+	 */
 	function testRenamePartFile() {
 
 		// share to user
@@ -79,5 +121,9 @@ class Test_Files_Sharing_Storage extends Test_Files_Sharing_Base {
 		self::loginHelper(self::TEST_FILES_SHARING_API_USER1);
 
 		$this->assertTrue($this->view->file_exists( $this->folder. '/foo.txt'));
+
+		//cleanup
+		$this->view->unlink($this->folder);
 	}
+
 }
diff --git a/apps/files_sharing/tests/updater.php b/apps/files_sharing/tests/updater.php
index 3427cfe..1b851cc 100644
--- a/apps/files_sharing/tests/updater.php
+++ b/apps/files_sharing/tests/updater.php
@@ -21,47 +21,103 @@
  */
 
 require_once __DIR__ . '/../appinfo/update.php';
+require_once __DIR__ . '/base.php';
 
 /**
  * Class Test_Files_Sharing_Updater
  */
-class Test_Files_Sharing_Updater extends \PHPUnit_Framework_TestCase {
+class Test_Files_Sharing_Updater extends Test_Files_Sharing_Base {
+
+	const TEST_FOLDER_NAME = '/folder_share_api_test';
 
 	function setUp() {
-		// some previous tests didn't clean up and therefore this has to be done here
-		// FIXME: DIRTY HACK - TODO: find tests, that don't clean up and fix it there
-		$this->tearDown();
+		parent::setUp();
 
-		// add items except one - because this is the test case for the broken share table
-		$addItems = \OC_DB::prepare('INSERT INTO `*PREFIX*filecache` (`storage`, `path_hash`, ' .
-			'`parent`, `mimetype`, `mimepart`, `size`, `mtime`, `storage_mtime`) ' .
-			'VALUES (1, ?, 1, 1, 1, 1, 1, 1)');
-		$items = array(1, 3);
-		$fileIds = array();
-		foreach($items as $item) {
-			// the number is used as path_hash
-			$addItems->execute(array($item));
-			$fileIds[] = \OC_DB::insertId('*PREFIX*filecache');
-		}
+		$this->folder = self::TEST_FOLDER_NAME;
 
-		$addShares = \OC_DB::prepare('INSERT INTO `*PREFIX*share` (`file_source`, `item_type`, `uid_owner`) VALUES (?, \'file\', 1)');
-		// the number is used as item_source
-		$addShares->execute(array($fileIds[0]));
-		$addShares->execute(array(200)); // id of "deleted" file
-		$addShares->execute(array($fileIds[1]));
+		$this->filename = '/share-api-test.txt';
+
+		// save file with content
+		$this->view->file_put_contents($this->filename, $this->data);
+		$this->view->mkdir($this->folder);
+		$this->view->file_put_contents($this->folder . '/' . $this->filename, $this->data);
 	}
 
 	function tearDown() {
+		$this->view->unlink($this->filename);
+		$this->view->deleteAll($this->folder);
+
 		$removeShares = \OC_DB::prepare('DELETE FROM `*PREFIX*share`');
 		$removeShares->execute();
 		$removeItems = \OC_DB::prepare('DELETE FROM `*PREFIX*filecache`');
 		$removeItems->execute();
+
+		parent::tearDown();
+	}
+
+	/**
+	 * test deletion of a folder which contains share mount points. Share mount
+	 * points should move up to the parent before the folder gets deleted so
+	 * that the mount point doesn't end up at the trash bin
+	 */
+	function testDeleteParentFolder() {
+		$status = \OC_App::isEnabled('files_trashbin');
+		\OC_App::enable('files_trashbin');
+
+		\OCA\Files_Trashbin\Trashbin::registerHooks();
+		OC_FileProxy::register(new OCA\Files\Share\Proxy());
+
+		$fileinfo = \OC\Files\Filesystem::getFileInfo($this->folder);
+		$this->assertTrue($fileinfo instanceof \OC\Files\FileInfo);
+
+		\OCP\Share::shareItem('folder', $fileinfo->getId(), \OCP\Share::SHARE_TYPE_USER, self::TEST_FILES_SHARING_API_USER2, 31);
+
+		$this->loginHelper(self::TEST_FILES_SHARING_API_USER2);
+		$view = new \OC\Files\View('/' . self::TEST_FILES_SHARING_API_USER2 . '/files');
+
+		// check if user2 can see the shared folder
+		$this->assertTrue($view->file_exists($this->folder));
+
+		$view->mkdir("localFolder");
+		$view->file_put_contents("localFolder/localFile.txt", "local file");
+
+		$view->rename($this->folder, 'localFolder/' . $this->folder);
+
+		// share mount point should now be moved to the subfolder
+		$this->assertFalse($view->file_exists($this->folder));
+		$this->assertTrue($view->file_exists('localFolder/' .$this->folder));
+
+		$view->unlink('localFolder');
+
+		$this->loginHelper(self::TEST_FILES_SHARING_API_USER2);
+
+		// mount point should move up again
+		$this->assertTrue($view->file_exists($this->folder));
+
+		// trashbin should contain the local file but not the mount point
+		$rootView = new \OC\Files\View('/' . self::TEST_FILES_SHARING_API_USER2);
+		$dirContent = $rootView->getDirectoryContent('files_trashbin/files');
+		$this->assertSame(1, count($dirContent));
+		$firstElement = reset($dirContent);
+		$ext = pathinfo($firstElement['path'], PATHINFO_EXTENSION);
+		$this->assertTrue($rootView->file_exists('files_trashbin/files/localFolder.' . $ext . '/localFile.txt'));
+		$this->assertFalse($rootView->file_exists('files_trashbin/files/localFolder.' . $ext . '/' . $this->folder));
+
+		//cleanup
+		$rootView->deleteAll('files_trashin');
+
+		if ($status === false) {
+			\OC_App::disable('files_trashbin');
+		}
 	}
 
 	/**
 	 * @medium
 	 */
 	function testRemoveBrokenShares() {
+
+		$this->prepareFileCache();
+
 		// check if there are just 3 shares (see setUp - precondition: empty table)
 		$countShares = \OC_DB::prepare('SELECT COUNT(`id`) FROM `*PREFIX*share`');
 		$result = $countShares->execute()->fetchOne();
@@ -114,6 +170,7 @@ class Test_Files_Sharing_Updater extends \PHPUnit_Framework_TestCase {
 			}
 		}
 
+		// cleanup
 		$this->cleanupSharedTable();
 
 	}
@@ -123,6 +180,9 @@ class Test_Files_Sharing_Updater extends \PHPUnit_Framework_TestCase {
 		$query->execute();
 	}
 
+	/**
+	 * prepare sharing table for testRemoveSharedFolder()
+	 */
 	private function prepareDB() {
 		$this->cleanupSharedTable();
 		// add items except one - because this is the test case for the broken share table
@@ -143,4 +203,32 @@ class Test_Files_Sharing_Updater extends \PHPUnit_Framework_TestCase {
 			$addItems->execute($item);
 		}
 	}
+
+	/**
+	 * prepare file cache for testRemoveBrokenShares()
+	 */
+	private function prepareFileCache() {
+		// some previous tests didn't clean up and therefore this has to be done here
+		// FIXME: DIRTY HACK - TODO: find tests, that don't clean up and fix it there
+		$this->tearDown();
+
+		// add items except one - because this is the test case for the broken share table
+		$addItems = \OC_DB::prepare('INSERT INTO `*PREFIX*filecache` (`storage`, `path_hash`, ' .
+			'`parent`, `mimetype`, `mimepart`, `size`, `mtime`, `storage_mtime`) ' .
+			'VALUES (1, ?, 1, 1, 1, 1, 1, 1)');
+		$items = array(1, 3);
+		$fileIds = array();
+		foreach($items as $item) {
+			// the number is used as path_hash
+			$addItems->execute(array($item));
+			$fileIds[] = \OC_DB::insertId('*PREFIX*filecache');
+		}
+
+		$addShares = \OC_DB::prepare('INSERT INTO `*PREFIX*share` (`file_source`, `item_type`, `uid_owner`) VALUES (?, \'file\', 1)');
+		// the number is used as item_source
+		$addShares->execute(array($fileIds[0]));
+		$addShares->execute(array(200)); // id of "deleted" file
+		$addShares->execute(array($fileIds[1]));
+	}
+
 }
diff --git a/lib/private/files/mount/mount.php b/lib/private/files/mount/mount.php
index 2566307..d4a4e18 100644
--- a/lib/private/files/mount/mount.php
+++ b/lib/private/files/mount/mount.php
@@ -59,6 +59,8 @@ class Mount {
 	}
 
 	/**
+	 * get complete path to the mount point, relative to data/
+	 *
 	 * @return string
 	 */
 	public function getMountPoint() {
@@ -66,6 +68,15 @@ class Mount {
 	}
 
 	/**
+	 * get name of the mount point
+	 *
+	 * @return string
+	 */
+	public function getMountPointName() {
+		return basename(rtrim($this->mountPoint, '/'));
+	}
+
+	/**
 	 * @param string $mountPoint new mount point
 	 */
 	public function setMountPoint($mountPoint) {

-- 
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