server.js

var fs = require("fs");
var path = require('path');
var express = require('express');
var bodyParser = require('body-parser');
var app = express();

var https = require('https');
var mkdirp = require('mkdirp');

/*
Setup for ssl.  Will need to find a way to generate a self-signed cert for
the server instance (Heroku) this gets deployed to
var options = {
   key  : fs.readFileSync('server.key'),
   cert : fs.readFileSync('server.crt')
};
 */

/*
Serve static content from the 'public' directory.
Need to figure out how to put the content there correctly...
 */
var contentDir = path.join(__dirname, 'public');
app.use('/', express.static(contentDir));
/*
Set up json processing
 */
app.use(bodyParser.json());

/*
And form parsing
 */
app.use(bodyParser.urlencoded({extended: true}));

/*
log all request bodies.
 */
app.use(function (req, res, next) {
  console.log(req.body); // populated!
  next()
});

/*
Get configurations
 */
app.get('/configuration/*', function (req, res) {
   console.log(req.path);
   console.log(__dirname);
   fs.readFile( __dirname + req.path, 'utf8', function (err, data) {
       console.log( data );
       // Firefox will display error if this is missing
       res.setHeader("Content-Type", 'application/json');
       res.end( data );
   });
});

/*
 Save configurations
 */
app.post('/configuration/*', function(request, response){
  console.log(request.body);      // your JSON
  mkdirp(__dirname + '/configuration', function(err) { 
    console.log(err);
  });

  var formattedToWrite = JSON.stringify(request.body, null, 4);
  fs.writeFile(__dirname + request.path, formattedToWrite, function(err) {
    if(err) {
        return console.log(err);
    }
    console.log("The file was saved to " + __dirname + request.path);
  }); 
  response.send(request.body);    // echo the result back
});

/*
https.createServer(options, app).listen(443, function () {
   console.log('Started!');
});
*/

app.set('port', (process.env.PORT || 3000));

app.listen(app.get('port'), function() {
    console.log('Server started: http://localhost:' + app.get('port') + '/');
});