Fixed bug where users are removed from admin managed groups if the group name...

Fixed bug where users are removed from admin managed groups if the group name is not in the shib session.

ligoauth/middleware/auth.py

@@ -133,6 +133,8 @@ class LigoAuthMiddleware:
                         pass
                 # If the user has lost a group membership, remove it.
                 for group_name in stored_user_group_names - user_group_names:
+                    if group_name in settings.ADMIN_MANAGED_GROUPS:
+                        continue
                     try:
                         g = Group.objects.get(name=group_name)
                         g.user_set.remove(user)

settings/default.py

@@ -60,6 +60,8 @@ VOEVENT_FAR_FLOOR = 3.17e-10
 # EM Advocate Group name
 EM_ADVOCATE_GROUP = 'em_advocates'
 
+ADMIN_MANAGED_GROUPS = [EM_ADVOCATE_GROUP, 'executives',]
+
 # 11/18/14. No longer checking XMPP_ALERT_CHANNELS. This is not necessary.
 # If someone sends out an event, an alert should go out. Listerers have the 
 # option to unsubscribe from nodes if so desired.