overwrite Sabre_DAV_ObjectTree with a faster getNodeForPath

lib/connector/sabre/objecttree.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Copyright (c) 2013 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 OC\Connector\Sabre;
+
+use OC\Files\Filesystem;
+
+class ObjectTree extends \Sabre_DAV_ObjectTree {
+	/**
+	 * Returns the INode object for the requested path
+	 *
+	 * @param string $path
+	 * @throws \Sabre_DAV_Exception_NotFound
+	 * @return \Sabre_DAV_INode
+	 */
+	public function getNodeForPath($path) {
+
+		$path = trim($path, '/');
+		if (isset($this->cache[$path])) return $this->cache[$path];
+
+		// Is it the root node?
+		if (!strlen($path)) {
+			return $this->rootNode;
+		}
+
+		$info = Filesystem::getFileInfo($path);
+
+		if (!$info) {
+			throw new \Sabre_DAV_Exception_NotFound('File with name ' . $path . ' could not be located');
+		}
+
+		if ($info['mimetype'] == 'httpd/unix-directory') {
+			$node = new \OC_Connector_Sabre_Directory($path);
+		} else {
+			$node = new \OC_Connector_Sabre_File($path);
+		}
+
+		$node->setFileinfoCache($info);
+
+		$this->cache[$path] = $node;
+		return $node;
+
+	}
+}