How to I dynamically set the expiry time for a cookie-based session in Rails

Question

I\'m currently using the ActiveRecord-based session store for my Rails app and I have a background process which clears out inactive sessions every 30 minutes.

I\'d like

Answer 1

Use this, it's working for me in rails 2.1.x:

SlidingSessions

I currently have cookies set to expire exactly 2 weeks after a user logs in, and setting it to 30 minutes is simple.