app.js

/*
* Copyright 2016 CareerBuilder, LLC
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and limitations under the License.
*/
var express = require('express');
var app = express();
var fs = require('fs');
var ejs = require('ejs');
var path = require('path');
var crypto = require('crypto');
var bodyParser = require('body-parser');
var cookieParser = require('cookie-parser');
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());

global.config = require('./config.json');
var port = global.config.Port || 3000;

if(!global.config.CookieSecret){
  var sec = crypto.randomBytes(16).toString('hex');
  global.config.CookieSecret = sec;
  fs.writeFileSync('./config.json', JSON.stringify(global.config, null, '\t'));
}
app.use(cookieParser(global.config.CookieSecret));

/*
*----------------Handle Client-----------
*/
app.set('view engine','html');
app.engine('html', ejs.renderFile);
app.use(express.static(path.join(__dirname, 'client')));

/*
*---------------------API----------------
*/
app.use(function(req, res, next){
  var url;
  if(req.protocol == 'http'){
    url =req.protocol+'://'+req.hostname;
    //if(port !== 80){
    //  url += ":"+port;
    //}
  }
  else if(req.protocol == 'https'){
    url =req.protocol+'://'+req.hostname;
    //if(port!==443){
    //  url+=":"+port;
    //}
  }
  else{
    url =req.protocol+'://'+req.hostname+':'+port;
  }
  res.locals.url = url;
  res.locals.port = port;
  return next();
});

app.use('/api/', require('./routes/api.js'));

app.use(function(req, res, next){
  res.status(404);
  if (req.accepts('json')) {
    return res.send({Success: false, Error: 'Not a valid endpoint'});
  }
  return res.type('txt').send('Not found');
});

if('SSL' in global.config){
  var https = require('https');
  var key_file = global.config.SSL.keyfile;
  var cert_file = global.config.SSL.certfile;

  var config = {
    key: fs.readFileSync(key_file),
   cert: fs.readFileSync(cert_file)
  };
  https.createServer(config, app).listen(port);
}
else{
  app.listen(port);
}

console.log('App Started on port ' + port);

module.exports = app;