app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');

var index = require('./routes/index');
var dirtydata = require('./routes/dirtydata');
var cleaneddata = require('./routes/cleaneddata');
var mappabledata = require('./routes/mappabledata');
var users = require('./routes/users');

var cors = require('cors');



var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


var whitelist = ['*'];

var corsOptions = function (req, callback) {
  var corsOptions;
  if (whitelist.indexOf(req.header('Origin')) !== -1 || whitelist.indexOf('*') !== -1) {
    corsOptions = { origin: true } // reflect (enable) the requested origin in the CORS response
  }else{
    corsOptions = { origin: false } // disable CORS for this request
  }
  callback(null, corsOptions) // callback expects two parameters: error and options
}




app.use(cors(corsOptions));
app.options('*', cors(corsOptions));

app.use('/', index);
app.use('/dirtydata', dirtydata, cors(corsOptions));
app.use('/cleaneddata', cleaneddata, cors(corsOptions));
app.use('/mappabledata', mappabledata, cors(corsOptions));
app.use('/users', users);

//console.log(db);

// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;