SETUP_PROC = lambda do |env| request = Rack::Request.new(env) user = User.find_by_subdomain(request.subdomain) env['omniauth.strategy'].options[:client_id] = user.consumer_key # if using omniauth-oauth2 env['omniauth.strategy'].options[:client_secret] = user.consumer_secret # if using omniauth-oauth2 env['omniauth.strategy'].options[:consumer_key] = user.consumer_key # if using omniauth-oauth env[