${escapeHtml(r.hostname)} - localhost:${escapeHtml(String(r.port))}

` : "

No apps running.

" }

Start an app with: portless ${safeHost.replace(".localhost", "")} your-command

`); return; } const forwardedHeaders = buildForwardedHeaders(req, isTls); const proxyReqHeaders: http.OutgoingHttpHeaders = { ...req.headers }; for (const [key, value] of Object.entries(forwardedHeaders)) { proxyReqHeaders[key] = value; } // Remove HTTP/2 pseudo-headers before forwarding to HTTP/1.1 backend for (const key of Object.keys(proxyReqHeaders)) { if (key.startsWith(":")) { delete proxyReqHeaders[key]; } } const proxyReq = http.request( { hostname: "127.0.0.1", port: route.port, path: req.url, method: req.method, headers: proxyReqHeaders, }, (proxyRes) => { const responseHeaders: http.OutgoingHttpHeaders = { ...proxyRes.headers }; if (isTls) { for (const h of HOP_BY_HOP_HEADERS) { delete responseHeaders[h]; } } res.writeHead(proxyRes.statusCode || 502, responseHeaders); proxyRes.pipe(res); } ); proxyReq.on("error", (err) => { onError(`Proxy error for ${getRequestHost(req)}: ${err.message}`); if (!res.headersSent) { const errWithCode = err as NodeJS.ErrnoException; const message = errWithCode.code === "ECONNREFUSED" ? "Bad Gateway: the target app is not responding. It may have crashed." : "Bad Gateway: the target app may not be running."; res.writeHead(502, { "Content-Type": "text/plain" }); res.end(message); } }); // Abort the outgoing request if the client disconnects res.on("close", () => { if (!proxyReq.destroyed) { proxyReq.destroy(); } }); req.on("error", () => { if (!proxyReq.destroyed) { proxyReq.destroy(); } }); req.pipe(proxyReq); }; const handleUpgrade = (req: http.IncomingMessage, socket: net.Socket, head: Buffer) => { const routes = getRoutes(); const host = getRequestHost(req).split(":")[0]; const route = routes.find((r) => r.hostname === host); if (!route) { socket.destroy(); return; } const forwardedHeaders = buildForwardedHeaders(req, isTls); const proxyReqHeaders: http.OutgoingHttpHeaders = { ...req.headers }; for (const [key, value] of Object.entries(forwardedHeaders)) { proxyReqHeaders[key] = value; } // Remove HTTP/2 pseudo-headers before forwarding to HTTP/1.1 backend for (const key of Object.keys(proxyReqHeaders)) { if (key.startsWith(":")) { delete proxyReqHeaders[key]; } } const proxyReq = http.request({ hostname: "127.0.0.1", port: route.port, path: req.url,