policies/expression: fix pb_is_sso_flow

passbook/core/views/authentication.py

@@ -72,7 +72,6 @@ class LoginView(UserPassesTestMixin, FormView):
         if not pre_user:
             # No user found
             return self.invalid_login(self.request)
-        # self.request.session.flush()
         self.request.session[AuthenticationView.SESSION_PENDING_USER] = pre_user.pk
         return _redirect_with_qs("passbook_core:auth-process", self.request.GET)
 

passbook/policies/expression/evaluator.py

@@ -47,7 +47,7 @@ class Evaluator:
         """Return dictionary with additional global variables passed to expression"""
         # update passbook/policies/expression/templates/policy/expression/form.html
         # update docs/policies/expression/index.md
-        kwargs["pb_is_sso_flow"] = request.user.session.get(
+        kwargs["pb_is_sso_flow"] = request.http_request.session.get(
             AuthenticationView.SESSION_IS_SSO_LOGIN, False
         )
         kwargs["pb_is_group_member"] = Evaluator.jinja2_func_is_group_member