chore: init

index.ts

@@ -0,0 +1,48 @@
+import { createServer } from "node:http";
+import { networkInterfaces } from "node:os";
+
+const IONOS_TOKEN = process.env.IONOS_TOKEN;
+const IPV4 = process.env.IPV4;
+if (!IONOS_TOKEN || !IPV4) {
+	console.error("Missing IONOS_TOKEN or IPV4 environment variable.");
+	process.exit(1);
+}
+const IONOS_ENDPOINT = "https://ipv4.api.hosting.ionos.com/dns/v1/dyndns?q=" + IONOS_TOKEN + "&ipv4=" + IPV4;
+
+function getMyIPv6() {
+	const ifs = networkInterfaces();
+	for (const name in ifs) {
+		for (const iface of ifs[name]!) {
+			if (iface.family === "IPv6" && !iface.internal) {
+				return iface.address;
+			}
+		}
+	}
+	return null;
+}
+
+const server = createServer(async (req, res) => {
+	const ipv6 = getMyIPv6();
+	if (ipv6) {
+		console.log(`My IPv6 address: ${ipv6}`);
+	} else {
+		console.error("No IPv6 address found.");
+		res.writeHead(503);
+		res.end("");
+		return;
+	}
+	const ionos = await fetch(IONOS_ENDPOINT + "&ipv6=" + ipv6);
+	if (!ionos.ok) {
+		console.error("Failed to update IONOS DNS record:", ionos.statusText);
+		res.writeHead(502);
+		res.end("");
+		return;
+	}
+	res.writeHead(200);
+	res.end("");
+});
+
+const PORT = 10205;
+server.listen(PORT, () => {
+	console.log(`Server is running on http://localhost:${PORT}`);
+});