server.js

'use strict'
process.env.NODE_ENV = 'production';
var fs = require('fs');
var path = require('path');
var confFile = path.resolve(__dirname, 'config.json');
var express = require('express')
var bodyParser = require('body-parser')
var app = express()
var http = require('http');
var https = require('https');
var usehttps = false;
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());

var bcrypt = require('bcryptjs');
var mcache = require('memory-cache');

var config = require(confFile);
var externalkey = path.resolve(__dirname, config.externalkey);
var externalcert = path.resolve(__dirname, config.externalcert);
var privateKey;
var certificate;
var credentials;

try {
  fs.statSync(externalkey).isFile();
  fs.statSync(externalcert).isFile();
  privateKey = fs.readFileSync(externalkey, 'utf8');
  usehttps = true;
  certificate = fs.readFileSync(externalcert, 'utf8');
  credentials = { key: privateKey, cert: certificate };
} catch (error) {
  console.log('No certificat, use http');
}


app.use(function (req, res, next) {
  res.setHeader("Access-Control-Allow-Origin", "*");
  res.setHeader("Access-Control-Allow-Headers", "Content-Type, authorization");
  res.setHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
  if (req.method == 'OPTIONS') {
    res.status(200).end();
  } else {
    next();
  }
});

/* TOKEN */

var authDB = require("./api/Middleware/authdbMiddleware")
app.use('/token', function (req, res, next) { authDB(req, res, next, config) })
var authform = require("./api/Middleware/authformMiddleware")
app.use('/token', function (req, res, next) { authform(req, res, next) })
var authSspi = require('./api/Middleware/authSspiMiddleware')
app.use('/token', function (req, res, next) { authSspi(req, res, next) })
var cache = require('./api/Middleware/cacheMiddleware')
app.use('/token', function (req, res, next) { cache(req, res, next, mcache, true, config) })
/* TOKEN */
/* ACCESS */
var jwt = require('./api/Middleware/authJWTMiddleware')
app.use('/access', function (req, res, next) { jwt(req, res, next, config) })
app.use('/access', function (req, res, next) { cache(req, res, next, mcache, false) })
/* ACCESS */
/* RENEW */
app.use('/renew', function (req, res, next) { jwt(req, res, next, config) })
app.use('/renew', function (req, res, next) { cache(req, res, next, mcache, false) })
/* RENEW */

var tokenRoutes = require('./api/routes/tokenRoutes');
tokenRoutes(app);
var accessRoutes = require('./api/routes/accessRoutes');
accessRoutes(app);
var renewRoutes = require('./api/routes/renewRoutes');
renewRoutes(app);
if (usehttps) {
  var server = https.createServer(credentials, app);
} else {
  var server = http.createServer(app);
}
var port = config.port || 5000
server.listen(port, function () {
  console.log('ezb_sta server listening on port %d in %s mode', port, app.get('env'))
})