Given the very specific requirements I think you would be looking at some plugin development. If you really need to differentiate between admin and non-admin users you would need to involve some API to get that information from the application. Then you would also require to somehow terminate their sessions, I imagine there should be something in the API for that as well, although probably quite difficult to find any examples of.
Second is the "pop-up", if a user is active, why would they get a pop-up that their session is about to end? They are using the tool, on principle, every action they do in the tool their session gets "extended", they will lose it only after they are already inactive for some time. So if you really do need to log them out even despite them using the tool, then I imagine you would have to track their sessions based on their last login date.
I've never heard of any existing plugin that would prematurely terminate a user session, but I suppose it's not a who thinks what but rather how you'd get there, just my opinion this might be a tad more difficult than whoever came up with this requirement may think. I hope that someone may provide you a better suggestion than me, but from my perspective this smells of blood and sweat in plugin development.
You must be a registered user to add a comment. If you've already registered, sign in. Otherwise, register and sign in.