diff --git a/trytond/webdav/webdav.py b/trytond/webdav/webdav.py
index c637d02076..424cb1e0e1 100644
--- a/trytond/webdav/webdav.py
+++ b/trytond/webdav/webdav.py
@@ -1,6 +1,7 @@
 "WebDAV"
 import os
 import base64
+import time
 from trytond.osv import fields, OSV
 from trytond.version import PACKAGE, VERSION, WEBSITE
 
@@ -131,6 +132,28 @@ class Directory(OSV):
             return self.ext2mime.get(ext, 'application/octet-stream')
         return "application/octet-stream"
 
+    def get_creationdate(self, cursor, user, uri, context=None):
+        object_name, object_id = self._uri2object(cursor, user, uri,
+                context=context)
+        model_obj = self.pool.get(object_name)
+        if model_obj._log_access:
+            cursor.execute('SELECT EXTRACT(epoch FROM create_date) ' \
+                    'FROM "' + model_obj._table +'" ' \
+                    'WHERE id = %d', (object_id,))
+            return cursor.fetchone()[0]
+        return time.time()
+
+    def get_lastmodified(self, cursor, user, uri, context=None):
+        object_name, object_id = self._uri2object(cursor, user, uri,
+                context=context)
+        model_obj = self.pool.get(object_name)
+        if model_obj._log_access:
+            cursor.execute('SELECT EXTRACT(epoch FROM write_date) ' \
+                    'FROM "' + model_obj._table +'" ' \
+                    'WHERE id = %d', (object_id,))
+            return cursor.fetchone()[0]
+        return time.time()
+
     def get_data(self, cursor, user, uri, context=None):
         from DAV.errors import DAV_NotFound
         if uri:
diff --git a/trytond/webdavsvc.py b/trytond/webdavsvc.py
index c86d7eb555..397695014c 100644
--- a/trytond/webdavsvc.py
+++ b/trytond/webdavsvc.py
@@ -1,6 +1,7 @@
 import urlparse
 import socket
 import base64
+import time
 from DAV import AuthServer, WebDAVServer, iface
 from DAV.errors import *
 from DAV.constants import COLLECTION, OBJECT
@@ -35,7 +36,7 @@ class TrytonDAVInterface(iface.dav_interface):
         pool = pooler.get_pool(dbname)
         cursor = pooler.get_db(dbname).cursor()
         directory_obj = pool.get('webdav.directory')
-        if uri[:-1] != '/':
+        if uri[-1:] != '/':
             uri += '/'
         for child in directory_obj.get_childs(cursor, USER_ID, dburi):
             res.append(urlparse.urljoin(self.baseuri, uri + child))
@@ -102,6 +103,24 @@ class TrytonDAVInterface(iface.dav_interface):
         directory_obj = pool.get('webdav.directory')
         return directory_obj.get_contenttype(cursor, USER_ID, dburi)
 
+    def get_creationdate(self, uri):
+        dbname, dburi = self._get_dburi(uri)
+        if not dbname or not dburi:
+            return time.time()
+        pool = pooler.get_pool(dbname)
+        cursor = pooler.get_db(dbname).cursor()
+        directory_obj = pool.get('webdav.directory')
+        return directory_obj.get_creationdate(cursor, USER_ID, dburi)
+
+    def get_lastmodified(self, uri):
+        dbname, dburi = self._get_dburi(uri)
+        if not dbname or not dburi:
+            return time.time()
+        pool = pooler.get_pool(dbname)
+        cursor = pooler.get_db(dbname).cursor()
+        directory_obj = pool.get('webdav.directory')
+        return directory_obj.get_lastmodified(cursor, USER_ID, dburi)
+
     def exists(self, uri):
         dbname, dburi = self._get_dburi(uri)
         if not dbname or not dburi: