diff --git a/ahserver/filestorage.py b/ahserver/filestorage.py
index d7f05e3..b2854df 100755
--- a/ahserver/filestorage.py
+++ b/ahserver/filestorage.py
@@ -88,6 +88,10 @@ class FileStorage:
 		p = os.path.abspath(os.path.join(self.root,path))
 		return p
 
+	def webpath(self, path):
+		if path.startswith(self.root):
+			return path[len(self.root):]
+
 	def _name2path(self,name, userid=None):
 		name = os.path.basename(name)
 		paths=[191,193,197,97]