Handle b64decode exception. Proposed by Seth Arnold.

Author: Roland Hedberg

example/idp2/idp.py

@@ -831,7 +831,7 @@ def info_from_cookie(kaka):
             try:
                 key, ref = base64.b64decode(morsel.value).split(":")
                 return IDP.cache.uid2user[key], ref
-            except KeyError:
+            except (KeyError, TypeError):
                 return None, None
         else:
             logger.debug("No idpauthn cookie")

example/idp2/idp_uwsgi.py

@@ -777,7 +777,7 @@ def info_from_cookie(kaka):
             try:
                 key, ref = base64.b64decode(morsel.value).split(":")
                 return IDP.cache.uid2user[key], ref
-            except KeyError:
+            except (TypeError, KeyError):
                 return None, None
         else:
             logger.debug("No idpauthn cookie")

example/idp2_repoze/idp.py

@@ -758,7 +758,7 @@ def info_from_cookie(kaka):
             try:
                 key, ref = base64.b64decode(morsel.value).split(":")
                 return IDP.cache.uid2user[key], ref
-            except KeyError:
+            except (KeyError, TypeError):
                 return None, None
         else:
             logger.debug("No idpauthn cookie")