Allow missing owner

radicale/acl/htpasswd.py

@@ -56,6 +56,9 @@ def _sha1(hash_value, password):
 
 def has_right(owner, user, password):
     """Check if ``user``/``password`` couple is valid."""
+    if owner is None: # no owner - everybody is allowed
+        return True
+
     for line in open(FILENAME).readlines():
         if line.strip():
             login, hash_value = line.strip().split(":")