Using node.js to make payment using a stored card in Peach Payments

gistfile1.txt

var request = require('request'),
  Config = require('./config'),
  config = new Config();

//Simple config to hold environment specific values

exports.makePayment = function(data, callback) {

  var params = {
    'SECURITY.SENDER': config.securitySender,
    'USER.LOGIN': config.userLogin,
    'USER.PWD': config.userPwd,
    'TRANSACTION.CHANNEL': config.transactionChannel,
    'TRANSACTION.MODE': config.transactionMode,
    'REQUEST.VERSION': "1.0",
    'IDENTIFICATION.TRANSACTIONID': data.transactionId, //Your own transactionId here
    'FRONTEND.ENABLED': "false",
    'ACCOUNT.REGISTRATION': data.uniqueId,  //This is the IDENTIFICATION.UNIQUEID supplied by Peach after card registration
    'PAYMENT.CODE': data.transactionType, //CC.RG for card registration  ... CC.DB for payment
    'NAME.GIVEN': data.user.name,
    'NAME.FAMILY': data.user.surname,
    'CONTACT.EMAIL': data.user.email,
    'PRESENTATION.AMOUNT': data.price,
    'PRESENTATION.CURRENCY': "ZAR"
  }

  var url = config.peachUrl;
  request.post(url, {form: params}, function (err, res, body) {
    if (err) callback(err);

    var payload = {};
    body.split("&").forEach(function (responseParts) {
      console.log(responseParts);
      var keyValues = responseParts.split('=');
      payload[keyValues[0]] = decodeURIComponent(keyValues[1]);
    });

    callback(null);
  })
}

var data = {
  transactionId: 'IanTransaction2',
  price: '250.00',
  transactionType: 'CC.DB',
  uniqueId: 'xxx', //This is the IDENTIFICATION.UNIQUEID supplied by Peach after card registration
  user: {
    name: 'Ian',
    surname: 'Petzer',
    email: 'ian@mailinator.com'
  }
}
exports.makePayment(data)