app.js

var express = require('express');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var dotenv = require('dotenv');

dotenv.config();

var indexRouter = require('./routes/index');

var app = express();

app.use(logger('dev'));
app.use(express.json());
app.use(function(req, res, next) {
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Credentials', true);
  res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,OPTIONS');
  res.header(
    'Access-Control-Allow-Headers',
    'Origin,X-Requested-With,Content-Type,Accept,content-type'
  );
  res.header('Access-Control-Expose-Headers', 'Content-Disposition');
  next();
});
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());

app.use('/', indexRouter);
app.use('/dl', require('./routes/dl'));

module.exports = app;