const URL = require('url'); fs = require('fs'); const { getFile } = require('../s3'); module.exports = function (req, res) { res.setHeader('Access-Control-Allow-Origin', '*'); const url = URL.parse(req.url, true); if (!url.query.filename) return res.status(400).send("Must specify filename"); if (url.query.filename){ getFile(req, res, url, url.query.filename); } };