Node.js: How to send headers with form data using request module?

Question

I have code like the following:

var req = require('request');

req.post('someUrl',
   { form: { username: 'user', password: '', opaque: 'someValue', logintype: '1'}, },
   function (e, r, body) {
      console.log(body);
});

How can I set headers for this? I need user-agent, content-type and probably something else to be in the headers:

headers = { 
   'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.110 Safari/537.36',
   'Content-Type' : 'application/x-www-form-urlencoded' 
};

I've tried in multiple ways but I can either send header or form-data, failed to send both.

c24w · Accepted Answer · 2016-03-09 11:12:15Z

212

I've finally managed to do it. Answer in code snippet below:

var querystring = require('querystring');
var request = require('request');

var form = {
    username: 'usr',
    password: 'pwd',
    opaque: 'opaque',
    logintype: '1'
};

var formData = querystring.stringify(form);
var contentLength = formData.length;

request({
    headers: {
      'Content-Length': contentLength,
      'Content-Type': 'application/x-www-form-urlencoded'
    },
    uri: 'http://myUrl',
    body: formData,
    method: 'POST'
  }, function (err, res, body) {
    //it works!
  });

edited Mar 9, 2016 at 11:12

c24w

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answered Jul 9, 2014 at 10:14

Mike G.

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3 Comments

Tamilselvan K Over a year ago

throw new Error('undefined is not a valid uri or options object.') ^ Error: undefined is not a valid uri or options object. at request (C:\Users\pjt\node_modules\request\index.js:44:11) at Request._callback (C:\Users\pjt\routes\payment.js:170:11) at Request.self.callback (C:\Users\pjt\node_modules\request\request.js:186:22) at emitTwo (events.js:106:13) at Request.emit (events.js:194:7) at Request.<anonymous> (C:\Users\pjt\node_modules\request\request.js:1163:10) at emitOne (events.js:96:13) at Request.emit (events.js:191:7)

ozzieisaacs Over a year ago

This didn't work for me where the answer below which just sets an object to form did.

Andriy Antonov Over a year ago

its deprecated npmjs.com/package/request

user606521 · Accepted Answer · 2013-06-15 19:15:47Z

55

This should work.

var url = 'http://<your_url_here>';
var headers = { 
    'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Firefox/24.0',
    'Content-Type' : 'application/x-www-form-urlencoded' 
};
var form = { username: 'user', password: '', opaque: 'someValue', logintype: '1'};

request.post({ url: url, form: form, headers: headers }, function (e, r, body) {
    // your callback body
});

answered Jun 15, 2013 at 19:15

user606521

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2 Comments

Mike G. Over a year ago

Thanks, but seems in this case form data is not sent in a proper way. I have almost the same code in .Net and in case form data is sent I should not have login form in body and should have token. I'll post it here soon, probably it will help

Andriy Antonov Over a year ago

request is deprecated... npmjs.com/package/request

nodejh · Accepted Answer · 2016-10-06 21:47:16Z

21

I think it's just because you have forgot HTTP METHOD. The default HTTP method of request is GET.

You should add method: 'POST' and your code will work if your backend receive the post method.

var req = require('request');

req.post({
   url: 'someUrl',
   form: { username: 'user', password: '', opaque: 'someValue', logintype: '1'},
   headers: { 
      'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.110 Safari/537.36',
      'Content-Type' : 'application/x-www-form-urlencoded' 
   },
   method: 'POST'
  },

  function (e, r, body) {
      console.log(body);
  });

answered Oct 6, 2016 at 21:47

nodejh

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1 Comment

Keith John Hutchison Over a year ago

This is a better answer as it does not rely on stringify which makes it easier to read.

dan1st · Accepted Answer · 2021-03-27 08:05:57Z

10

I found the solution to this problem and It should work. I'm sure about this because I also faced the same problem

here is my solution----->

var request = require('request');

//set url
var url = 'http://localhost:8088/example';

//set header
var headers = {
    'Authorization': 'Your authorization'
};

//set form data
var form = {first_name: first_name, last_name: last_name};

//set request parameter
request.post({headers: headers, url: url, form: form, method: 'POST'}, function (e, r, body) {

    var bodyValues = JSON.parse(body);
    res.send(bodyValues);
});

edited Mar 27, 2021 at 8:05

dan1st

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answered Sep 11, 2018 at 5:39

Chetna Joshi

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2 Comments

Chetna Joshi Over a year ago

i edited my answer please see and then say if any issue in that. thank you

Amy Over a year ago

your answer is right and helped me too, but try to implement short code which explain the solution only

VnDevil · Accepted Answer · 2019-11-21 18:07:33Z

Just remember set method to POST in options. Here is my code

var options = {
    url: 'http://www.example.com',
    method: 'POST', // Don't forget this line
    headers: {
        'Content-Type': 'application/x-www-form-urlencoded',
        'X-MicrosoftAjax': 'Delta=true', // blah, blah, blah...
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36',
    },
    form: {
        'key-1':'value-1',
        'key-2':'value-2',
        ...
    }
};

//console.log('options:', options);

// Create request to get data
request(options, (err, response, body) => {
    if (err) {
        //console.log(err);
    } else {
        console.log('body:', body);
    }
});

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