I am using node.js request module to fetch an id_token from an API. After fetching that id_token I want to send a redirect uri response with a set-cookie header to the redirected url. But I can't quite figure out how to do it.

Here is my code:

app.use(/nodejs-server/retrieveCode, function(req, res) {



        var clientID = 'some random string'

        var client_Secret = 'another random string'

        var code_token = clientID + : + client_Secret

        var buffer = new Buffer(code_token)

        var token = buffer.toString('base64')

        var rtoken = Basic  + token;

        var headers = {

            'Content-Type': 'application/json',

            'Authorization': rtoken

        }

        var postData = {grant_type: 'authorization_code', code: req.query.code, redirect_uri: 'http://localhost:3000/nodejs-server/retrieveCode'} //Query string data

        var options  = {

            method: 'POST', //Specify the method

            body: postData,

            url: 'http://localhost:4000/server/token',

            json: true,

            headers: headers

        }

        request(options

        , function(error, response, body){

            if(error) {

                console.log(error);

            } else {

                //send a redirect uri and set-cookie header response



            }

        });

I tried using

res.redirect(302, http://localhost:9000);

and it is able to redirect but I am not able to send the cookie with it as well

Any help is appreciated.