server.js

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

const PORT = 5000;
const HOST = '0.0.0.0';
const WEB_DIR = path.join(__dirname, 'web');

const MIME_TYPES = {
  '.html': 'text/html',
  '.css': 'text/css',
  '.js': 'application/javascript',
  '.json': 'application/json',
  '.png': 'image/png',
  '.jpg': 'image/jpeg',
  '.jpeg': 'image/jpeg',
  '.gif': 'image/gif',
  '.svg': 'image/svg+xml',
  '.ico': 'image/x-icon',
  '.woff': 'font/woff',
  '.woff2': 'font/woff2',
  '.txt': 'text/plain',
  '.xml': 'application/xml',
  '.zip': 'application/zip',
};

const server = http.createServer((req, res) => {
  let urlPath = req.url.split('?')[0];
  if (urlPath === '/') urlPath = '/index.html';

  const filePath = path.join(WEB_DIR, urlPath);

  if (!filePath.startsWith(WEB_DIR)) {
    res.writeHead(403);
    res.end('Forbidden');
    return;
  }

  fs.stat(filePath, (err, stat) => {
    if (err || !stat.isFile()) {
      res.writeHead(404, { 'Content-Type': 'text/plain' });
      res.end('Not Found');
      return;
    }

    const ext = path.extname(filePath).toLowerCase();
    const contentType = MIME_TYPES[ext] || 'application/octet-stream';

    res.writeHead(200, { 'Content-Type': contentType });
    fs.createReadStream(filePath).pipe(res);
  });
});

server.listen(PORT, HOST, () => {
  console.log(`Server running at http://${HOST}:${PORT}`);
});