This commit is contained in:
Clemens Hering
2025-11-03 07:11:48 +01:00
parent 0c0c4d7185
commit 45606723ea
32 changed files with 879 additions and 0 deletions

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server.mjs Normal file
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import http from 'http';
import fs from 'fs';
import path from 'path';
import url from 'url';
const __dirname = path.dirname(url.fileURLToPath(import.meta.url));
const ROOT = process.env.WEB_ROOT || path.resolve(__dirname, 'dist');
const PORT = Number(process.env.PORT || 3000);
const MIME = {
'.html': 'text/html; charset=utf-8',
'.css': 'text/css; charset=utf-8',
'.js': 'application/javascript; charset=utf-8',
'.mjs': 'application/javascript; charset=utf-8',
'.json': 'application/json; charset=utf-8',
'.svg': 'image/svg+xml',
'.png': 'image/png',
'.jpg': 'image/jpeg',
'.jpeg': 'image/jpeg',
'.webp': 'image/webp',
'.gif': 'image/gif',
'.ico': 'image/x-icon',
'.txt': 'text/plain; charset=utf-8',
'.map': 'application/json; charset=utf-8',
'.woff': 'font/woff',
'.woff2': 'font/woff2',
'.ttf': 'font/ttf',
'.otf': 'font/otf',
'.eot': 'application/vnd.ms-fontobject',
'.mp4': 'video/mp4',
'.webm': 'video/webm',
'.wasm': 'application/wasm'
};
function send(res, status, headers, stream) {
res.writeHead(status, headers);
if (stream) stream.pipe(res); else res.end();
}
function isUnder(p, root) {
const rel = path.relative(root, p);
return !!rel && !rel.startsWith('..') && !path.isAbsolute(rel);
}
const server = http.createServer((req, res) => {
try {
const parsed = url.parse(req.url || '/');
let pathname = decodeURIComponent(parsed.pathname || '/');
// Hard normalize, prevent traversal
pathname = path.normalize(pathname).replace(/^([/\\])*|\/+$/g, '/');
let fp = path.join(ROOT, pathname);
// If path is a directory, serve index.html
if (fs.existsSync(fp) && fs.statSync(fp).isDirectory()) {
fp = path.join(fp, 'index.html');
}
// If it doesn't exist and path didn't include .html, try appending index.html
if (!fs.existsSync(fp) && !path.extname(fp)) {
fp = path.join(fp, 'index.html');
}
// Verify containment in ROOT
if (!isUnder(fp, ROOT) && path.resolve(fp) !== path.resolve(ROOT, 'index.html')) {
return send(res, 403, { 'content-type': 'text/plain; charset=utf-8' }, null);
}
if (!fs.existsSync(fp) || fs.statSync(fp).isDirectory()) {
return send(res, 404, { 'content-type': 'text/plain; charset=utf-8' }, null);
}
const ext = path.extname(fp).toLowerCase();
const type = MIME[ext] || 'application/octet-stream';
const headers = { 'content-type': type };
// Caching: long cache for assets, no-cache for html
if (ext === '.html') {
headers['cache-control'] = 'no-cache';
} else if (fp.includes('/_astro/') || fp.startsWith(path.join(ROOT, 'assets'))) {
headers['cache-control'] = 'public, max-age=31536000, immutable';
} else {
headers['cache-control'] = 'public, max-age=3600';
}
const stream = fs.createReadStream(fp);
stream.on('open', () => send(res, 200, headers, stream));
stream.on('error', () => send(res, 500, { 'content-type': 'text/plain; charset=utf-8' }, null));
} catch (err) {
send(res, 500, { 'content-type': 'text/plain; charset=utf-8' }, null);
}
});
server.listen(PORT, '0.0.0.0', () => {
// eslint-disable-next-line no-console
console.log(`Static server listening on :${PORT}, root: ${ROOT}`);
});