# File lib/omniauth/strategies/open_id.rb, line 51
      def start
        openid = Rack::OpenID.new(dummy_app, options[:store])
        response = openid.call(env)
        case env['rack.openid.response']
        when Rack::OpenID::MissingResponse, Rack::OpenID::TimeoutResponse
          fail!(:connection_failed)
        else
          response
        end
      end