server.js

// FOR DEVELOPMENT PURPOSES ONLY!

const http = require('http');
const fs = require('fs');
const path = require('path');

const server = http.createServer((req, res) => {
    const { url } = req;
    let filePath;

    if (url === '/') {
        filePath = path.join(__dirname, 'htdocs', 'splash.html');
    }
    else if (url.startsWith('/$authaction?')) {
        filePath = path.join(__dirname, 'htdocs', 'status.html');
    }
    else {
        filePath = path.join(__dirname, 'htdocs', url);
    }

    fs.readFile(filePath, (err, data) => {
        if (err) {
            res.writeHead(404);
            res.end('Not Found');
        } else {
            let contentType = 'text/html';

            if (filePath.endsWith('.css')) {
                contentType = 'text/css';
            } else if (filePath.endsWith('.js')) {
                contentType = 'text/javascript';
            } else if (filePath.endsWith('.jpg') || filePath.endsWith('.jpeg')) {
                contentType = 'image/jpeg';
            }

            res.writeHead(200, { 'Content-Type': contentType });
            res.end(data);
        }
    });
});

const PORT = process.env.PORT || 3000;
server.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}`);
});