def existing?
      exists = false

      if session_cookie and validation_cookie
        session_tmp = session_cookie.to_s
        validation_tmp = validation_cookie.to_s

        if validation_tmp == validation_cookie_value(session_tmp)
          exists = true
        end
      end

      exists
    end
def existing?
      exists = false

      if session_cookie and validation_cookie
        session_tmp = session_cookie.to_s
        validation_tmp = validation_cookie.to_s

        if validation_tmp == validation_cookie_value(session_tmp)
          exists = true
        end
      end

      exists
    end
Do the cookies exist, and are they valid?