server.js

'use strict';
const config = require('./config');
const express = require('express');
const https = require('https');
const fs = require('fs');
const options = {
  key: fs.readFileSync("keys/privkey.pem"),
  cert: fs.readFileSync("keys/cert.pem")
};
const mysql = require('mysql');
//const model = require('./api/models/aasModel');
const bodyParser = require('body-parser');
const session = require('express-session');
const helmet = require('helmet');
var app = express();

// init helmet (header security)
// (but not HSTS when used on localhost as that will break all other non-HTTPS services on your machine)
app.use(helmet({
    hsts: {
        maxAge: 864000,
        setIf: function(req, res) { return !(req.headers.host && req.headers.host.includes('localhost')); }
    }
}));

// init bodyParser
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());

// Add headers
app.use(function (req, res, next) {
    // Website you wish to allow to connect
    res.setHeader('Access-Control-Allow-Origin', '*');

    // Request methods you wish to allow
    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');

    // Request headers you wish to allow
    res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');

    // Set to true if you need the website to include cookies in the requests sent
    // to the API (e.g. in case you use sessions)
    res.setHeader('Access-Control-Allow-Credentials', true);

    // Pass to next layer of middleware
    next();
});

// serve static content
app.use(express.static('public'));

// prepare session
app.use(session({secret: "FLW@tpw", resave: true, saveUninitialized: true}));

// set view engine and views folder
app.set('view engine', 'pug');
app.set('views', './views');

// init routes
var routes = require('./api/routes/aasRoutes');
routes(app);

//app.listen(config.httpPort);

var secureServer = https.createServer(options, app);
secureServer.listen(config.httpsPort);

console.log('AAS RESTful API server started on: ' + config.httpPort + ' (HTTPS on ' + config.httpsPort + ')');