Use omniauth-facebook when app id and app secret are different for each request?

Question

The omniauth-facebook README mentions how to set it up in an initializer and how to set options like scope per request only. I wonder if it is possible to set a

Answer 1

If you are using devise you can do this

config.omniauth  :facebook, :setup => lambda{
      current_app_secret = // Get current domain
      current_app_key = // Get config
      env['omniauth.strategy'].options[:client_id] = current_app_secret
      env['omniauth.strategy'].options[:client_secret] = current_app_key
    }