1 files changed, 348 insertions, 0 deletions
diff --git a/apps/dav/lib/Connector/Sabre/Node.php b/apps/dav/lib/Connector/Sabre/Node.php
new file mode 100644
index 00000000000..ccc035063cd
--- /dev/null
+++ b/apps/dav/lib/Connector/Sabre/Node.php
@@ -0,0 +1,348 @@
+<?php
+/**
+ * @author Arthur Schiwon <blizzz@owncloud.com>
+ * @author Bart Visscher <bartv@thisnet.nl>
+ * @author Jakob Sack <mail@jakobsack.de>
+ * @author Jörn Friedrich Dreyer <jfd@butonic.de>
+ * @author Klaas Freitag <freitag@owncloud.com>
+ * @author Markus Goetz <markus@woboq.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ * @author Robin Appelman <icewind@owncloud.com>
+ * @author Thomas Müller <thomas.mueller@tmit.eu>
+ * @author Vincent Petry <pvince81@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 OCA\DAV\Connector\Sabre;
+
+use OC\Files\Mount\MoveableMount;
+use OCA\DAV\Connector\Sabre\Exception\InvalidPath;
+use OCP\Share\Exceptions\ShareNotFound;
+use OCP\Share\IManager;
+
+
+abstract class Node implements \Sabre\DAV\INode {
+
+	/**
+	 * @var \OC\Files\View
+	 */
+	protected $fileView;
+
+	/**
+	 * The path to the current node
+	 *
+	 * @var string
+	 */
+	protected $path;
+
+	/**
+	 * node properties cache
+	 *
+	 * @var array
+	 */
+	protected $property_cache = null;
+
+	/**
+	 * @var \OCP\Files\FileInfo
+	 */
+	protected $info;
+
+	/**
+	 * @var IManager
+	 */
+	protected $shareManager;
+
+	/**
+	 * Sets up the node, expects a full path name
+	 *
+	 * @param \OC\Files\View $view
+	 * @param \OCP\Files\FileInfo $info
+	 * @param IManager $shareManager
+	 */
+	public function __construct($view, $info, IManager $shareManager = null) {
+		$this->fileView = $view;
+		$this->path = $this->fileView->getRelativePath($info->getPath());
+		$this->info = $info;
+		if ($shareManager) {
+			$this->shareManager = $shareManager;
+		} else {
+			$this->shareManager = \OC::$server->getShareManager();
+		}
+	}
+
+	protected function refreshInfo() {
+		$this->info = $this->fileView->getFileInfo($this->path);
+	}
+
+	/**
+	 *  Returns the name of the node
+	 *
+	 * @return string
+	 */
+	public function getName() {
+		return $this->info->getName();
+	}
+
+	/**
+	 * Returns the full path
+	 *
+	 * @return string
+	 */
+	public function getPath() {
+		return $this->path;
+	}
+
+	/**
+	 * Renames the node
+	 *
+	 * @param string $name The new name
+	 * @throws \Sabre\DAV\Exception\BadRequest
+	 * @throws \Sabre\DAV\Exception\Forbidden
+	 */
+	public function setName($name) {
+
+		// rename is only allowed if the update privilege is granted
+		if (!$this->info->isUpdateable()) {
+			throw new \Sabre\DAV\Exception\Forbidden();
+		}
+
+		list($parentPath,) = \Sabre\HTTP\URLUtil::splitPath($this->path);
+		list(, $newName) = \Sabre\HTTP\URLUtil::splitPath($name);
+
+		// verify path of the target
+		$this->verifyPath();
+
+		$newPath = $parentPath . '/' . $newName;
+
+		$this->fileView->rename($this->path, $newPath);
+
+		$this->path = $newPath;
+
+		$this->refreshInfo();
+	}
+
+	public function setPropertyCache($property_cache) {
+		$this->property_cache = $property_cache;
+	}
+
+	/**
+	 * Returns the last modification time, as a unix timestamp
+	 *
+	 * @return int timestamp as integer
+	 */
+	public function getLastModified() {
+		$timestamp = $this->info->getMtime();
+		if (!empty($timestamp)) {
+			return (int)$timestamp;
+		}
+		return $timestamp;
+	}
+
+	/**
+	 *  sets the last modification time of the file (mtime) to the value given
+	 *  in the second parameter or to now if the second param is empty.
+	 *  Even if the modification time is set to a custom value the access time is set to now.
+	 */
+	public function touch($mtime) {
+		$this->fileView->touch($this->path, $mtime);
+		$this->refreshInfo();
+	}
+
+	/**
+	 * Returns the ETag for a file
+	 *
+	 * An ETag is a unique identifier representing the current version of the
+	 * file. If the file changes, the ETag MUST change.  The ETag is an
+	 * arbitrary string, but MUST be surrounded by double-quotes.
+	 *
+	 * Return null if the ETag can not effectively be determined
+	 *
+	 * @return string
+	 */
+	public function getETag() {
+		return '"' . $this->info->getEtag() . '"';
+	}
+
+	/**
+	 * Sets the ETag
+	 *
+	 * @param string $etag
+	 *
+	 * @return int file id of updated file or -1 on failure
+	 */
+	public function setETag($etag) {
+		return $this->fileView->putFileInfo($this->path, array('etag' => $etag));
+	}
+
+	/**
+	 * Returns the size of the node, in bytes
+	 *
+	 * @return integer
+	 */
+	public function getSize() {
+		return $this->info->getSize();
+	}
+
+	/**
+	 * Returns the cache's file id
+	 *
+	 * @return int
+	 */
+	public function getId() {
+		return $this->info->getId();
+	}
+
+	/**
+	 * @return string|null
+	 */
+	public function getFileId() {
+		if ($this->info->getId()) {
+			$instanceId = \OC_Util::getInstanceId();
+			$id = sprintf('%08d', $this->info->getId());
+			return $id . $instanceId;
+		}
+
+		return null;
+	}
+
+	/**
+	 * @return integer
+	 */
+	public function getInternalFileId() {
+		return $this->info->getId();
+	}
+
+	/**
+	 * @param string $user
+	 * @return int
+	 */
+	public function getSharePermissions($user) {
+
+		// check of we access a federated share
+		if ($user !== null) {
+			try {
+				$share = $this->shareManager->getShareByToken($user);
+				return $share->getPermissions();
+			} catch (ShareNotFound $e) {
+				// ignore
+			}
+		}
+
+		$storage = $this->info->getStorage();
+
+		$path = $this->info->getInternalPath();
+
+		if ($storage->instanceOfStorage('\OC\Files\Storage\Shared')) {
+			/** @var \OC\Files\Storage\Shared $storage */
+			$permissions = (int)$storage->getShare()->getPermissions();
+		} else {
+			$permissions = $storage->getPermissions($path);
+		}
+
+		/*
+		 * We can always share non moveable mount points with DELETE and UPDATE
+		 * Eventually we need to do this properly
+		 */
+		$mountpoint = $this->info->getMountPoint();
+		if (!($mountpoint instanceof MoveableMount)) {
+			$mountpointpath = $mountpoint->getMountPoint();
+			if (substr($mountpointpath, -1) === '/') {
+				$mountpointpath = substr($mountpointpath, 0, -1);
+			}
+
+			if ($mountpointpath === $this->info->getPath()) {
+				$permissions |= \OCP\Constants::PERMISSION_DELETE | \OCP\Constants::PERMISSION_UPDATE;
+			}
+		}
+
+		/*
+		 * Files can't have create or delete permissions
+		 */
+		if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
+			$permissions &= ~(\OCP\Constants::PERMISSION_CREATE | \OCP\Constants::PERMISSION_DELETE);
+		}
+
+		return $permissions;
+	}
+
+	/**
+	 * @return string
+	 */
+	public function getDavPermissions() {
+		$p = '';
+		if ($this->info->isShared()) {
+			$p .= 'S';
+		}
+		if ($this->info->isShareable()) {
+			$p .= 'R';
+		}
+		if ($this->info->isMounted()) {
+			$p .= 'M';
+		}
+		if ($this->info->isDeletable()) {
+			$p .= 'D';
+		}
+		if ($this->info->isUpdateable()) {
+			$p .= 'NV'; // Renameable, Moveable
+		}
+		if ($this->info->getType() === \OCP\Files\FileInfo::TYPE_FILE) {
+			if ($this->info->isUpdateable()) {
+				$p .= 'W';
+			}
+		} else {
+			if ($this->info->isCreatable()) {
+				$p .= 'CK';
+			}
+		}
+		return $p;
+	}
+
+	public function getOwner() {
+		return $this->info->getOwner();
+	}
+
+	protected function verifyPath() {
+		try {
+			$fileName = basename($this->info->getPath());
+			$this->fileView->verifyPath($this->path, $fileName);
+		} catch (\OCP\Files\InvalidPathException $ex) {
+			throw new InvalidPath($ex->getMessage());
+		}
+	}
+
+	/**
+	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+	 */
+	public function acquireLock($type) {
+		$this->fileView->lockFile($this->path, $type);
+	}
+
+	/**
+	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+	 */
+	public function releaseLock($type) {
+		$this->fileView->unlockFile($this->path, $type);
+	}
+
+	/**
+	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
+	 */
+	public function changeLock($type) {
+		$this->fileView->changeLock($this->path, $type);
+	}
+}