Fix transaction check

[cascardo/ipsilon.git] / ipsilon / providers / openid / auth.py

diff --git a/ipsilon/providers/openid/auth.py b/ipsilon/providers/openid/auth.py
index e85890e..1ecbe43 100644 (file)
--- a/ipsilon/providers/openid/auth.py
+++ b/ipsilon/providers/openid/auth.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2014  Ipsilon project Contributors, for licensee see COPYING
+# Copyright (C) 2014 Ipsilon project Contributors, for license see COPYING
 
 from ipsilon.providers.common import ProviderPageBase
 from ipsilon.providers.common import AuthenticationError, InvalidRequest
@@ -26,7 +26,8 @@ class AuthenticateRequest(ProviderPageBase):
         try:
             # generate a new id or get current one
             self.trans = Transaction('openid', **kwargs)
-            if self.trans.cookie.value != self.trans.provider:
+            if (self.trans.cookie and
+                    self.trans.cookie.value != self.trans.provider):
                 self.debug('Invalid transaction, %s != %s' % (
                            self.trans.cookie.value, self.trans.provider))
         except Exception, e:  # pylint: disable=broad-except