Move shared mount moving from the storage to the mount

1 files changed, 113 insertions, 0 deletions

diff --git a/apps/files_sharing/lib/sharedmount.php b/apps/files_sharing/lib/sharedmount.php
new file mode 100644
index 00000000000..f761f1b7bae
--- /dev/null
+++ b/apps/files_sharing/lib/sharedmount.php
@@ -0,0 +1,113 @@
+<?php
+/**
+ * Copyright (c) 2012 Robin Appelman <icewind@owncloud.com>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+namespace OCA\Files_Sharing;
+
+use OC\Files\Filesystem;
+use OC\Files\Mount\Mount;
+use OC\Files\Mount\MoveableMount;
+use OC\Files\Storage\Shared;
+
+/**
+ * Person mount points can be moved by the user
+ */
+class SharedMount extends Mount implements MoveableMount {
+	/**
+	 * @var \OC\Files\Storage\Shared $storage
+	 */
+	protected $storage = null;
+
+	/**
+	 * Format a path to be relative to the /user/files/ directory
+	 *
+	 * @param string $path the absolute path
+	 * @return string e.g. turns '/admin/files/test.txt' into '/test.txt'
+	 */
+	private function stripUserFilesPath($path) {
+		$trimmed = ltrim($path, '/');
+		$split = explode('/', $trimmed);
+
+		// it is not a file relative to data/user/files
+		if (count($split) < 3 || $split[1] !== 'files') {
+			\OCP\Util::writeLog('file sharing',
+				'Can not strip userid and "files/" from path: ' . $path,
+				\OCP\Util::DEBUG);
+			return false;
+		}
+
+		// skip 'user' and 'files'
+		$sliced = array_slice($split, 2);
+		$relPath = implode('/', $sliced);
+
+		return '/' . $relPath;
+	}
+
+	/**
+	 * Move the mount point to $target
+	 *
+	 * @param string $target the target mount point
+	 * @return bool
+	 */
+	public function moveMount($target) {
+		// it shouldn't be possible to move a Shared storage into another one
+		list($targetStorage,) = Filesystem::resolvePath($target);
+		if ($targetStorage instanceof Shared) {
+			\OCP\Util::writeLog('file sharing',
+				'It is not allowed to move one mount point into another one',
+				\OCP\Util::DEBUG);
+			return false;
+		}
+
+		$relTargetPath = $this->stripUserFilesPath($target);
+		$share = $this->storage->getShare();
+
+		// if the user renames a mount point from a group share we need to create a new db entry
+		// for the unique name
+		if ($this->storage->getShareType() === \OCP\Share::SHARE_TYPE_GROUP && $this->storage->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 (?,?,?,?,?,?,?,?,?,?,?,?)');
+			$arguments = array($share['item_type'], $share['item_source'], $share['item_target'],
+				2, \OCP\User::getUser(), $share['uid_owner'], $share['permissions'], $share['stime'], $share['file_source'],
+				$relTargetPath, $share['token'], $share['id']);
+
+		} else {
+			// rename mount point
+			$query = \OC_DB::prepare(
+				'UPDATE `*PREFIX*share`
+					SET `file_target` = ?
+					WHERE `id` = ?'
+			);
+			$arguments = array($relTargetPath, $this->storage->getShareId());
+		}
+
+		$result = $query->execute($arguments);
+
+		if ($result) {
+			$this->setMountPoint($target);
+			$this->storage->setUniqueName();
+			$this->storage->setMountPoint($relTargetPath);
+
+		} else {
+			\OCP\Util::writeLog('file sharing',
+				'Could not rename mount point for shared folder "' . $this->getMountPoint() . '" to "' . $target . '"',
+				\OCP\Util::ERROR);
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Remove the mount points
+	 *
+	 * @return mixed
+	 * @return bool
+	 */
+	public function removeMount() {
+	}
+}