Initial index.js file for payment processor

index.js

var express = require("express")
var app = express()
var cors = require("cors")
var path = require('path')
var bodyParser = require('body-parser')
var parseURLencoded = bodyParser.urlencoded({ extended: true })

app.use(cors())

app.get('/', function (req, res) {
  res.sendFile(path.join(__dirname + '/public/index.html'))
})

app.post('/api/purchase', parseURLencoded, function(req, res) {
  var auth = req.headers['authorization']
  if (auth !== "false") {
    var token = req.body.token
    res.status(201).send(token)
  } else {
    res.status(401).send("Unauthorized.")
  }
})

app.listen(3030, function () {
  console.log('Example app listening on port 3030!')
})