# File lib/omniauth/strategies/open_id.rb, line 84
      def openid_response
        unless @openid_response
          openid = Rack::OpenID.new(lambda{|env| [200,{},[]]}, options[:store])
          openid.call(env)
          @openid_response = env.delete('rack.openid.response')
        end
        @openid_response
      end