DCSOlympus/frontend/server/routes/resources.js

const express = require('express');
const fs = require('fs');
const router = express.Router();

module.exports = function (configLocation) {
    router.get('/theme/*', function (req, res, next) {
        var reqTheme = "olympus";
        
        /* Yes, this in an easter egg! :D Feel free to ignore it, or activate the parrot theme to check what it does. Why parrots? The story is a bit long, come to the Discord and ask :D */
        if (reqTheme === "parrot" && !req.url.includes(".css"))
            res.redirect('/themes/parrot/images/parrot.svg');
        else
            res.redirect(req.url.replace("theme", "themes/" + reqTheme));
    });

    router.put('/theme/:newTheme', function (req, res, next) {
        res.end("Ok");
    });

    router.get('/config', function (req, res, next) {
        if (fs.existsSync(configLocation)) {
            let rawdata = fs.readFileSync(configLocation);
            config = JSON.parse(rawdata);
            res.send(JSON.stringify(config.frontend));
            res.end()
        } else {
            res.sendStatus(404);
        }
    });
    
    return router;
}