# File lib/omniauth/strategies/oauth.rb, line 30
      def request_phase
        request_token = consumer.get_request_token(:oauth_callback => callback_url)
        session['oauth'] ||= {}
        session['oauth'][name.to_s] = {'callback_confirmed' => request_token.callback_confirmed?, 'request_token' => request_token.token, 'request_secret' => request_token.secret}

        if request_token.callback_confirmed?
          redirect request_token.authorize_url(options[:authorize_params])
        else
          redirect request_token.authorize_url(options[:authorize_params].merge(:oauth_callback => callback_url))
        end

      rescue ::Timeout::Error => e
        fail!(:timeout, e)
      rescue ::Net::HTTPFatalError, ::OpenSSL::SSL::SSLError => e
        fail!(:service_unavailable, e)
      end