# File lib/cgikit/handler.rb, line 242
    def session_id( request )
      sid_url = session_id_from_url(request)
      sid_cookie = session_id_from_cookie(request)
      if @application.store_in_cookie and sid_cookie then
        sid_cookie
      elsif sid_url then
        sid_url
      else
        nil
      end
    end