Unlink scripts submodule and commit contents as normal directory

scripts/services/ipFetcher.js

@@ -0,0 +1,84 @@
+const { networkInterfaces } = require('node:os');
+const https = require('node:https');
+const { CronJob } = require('cron');
+const { axiosSefinek } = require('./axios.js');
+const isSpecialPurposeIP = require('../isSpecialPurposeIP.js');
+const logger = require('../logger.js');
+const { IP_ASSIGNMENT, IP_REFRESH_SCHEDULE, IPv6_SUPPORT } = require('../../config.js').MAIN;
+
+const ipAddresses = new Set();
+let ipv6ErrorCount = 0, ipv6ErrorLogged = false;
+let isRefreshing = false;
+
+const fetchLocalIPs = () => {
+	for (const ifaceList of Object.values(networkInterfaces())) {
+		for (const iface of ifaceList) {
+			const addr = iface?.address;
+			if (addr && !iface.internal && !isSpecialPurposeIP(addr).is) ipAddresses.add(addr);
+		}
+	}
+};
+
+const fetchIPAddress = async (family, attempt = 1) => {
+	if (family === 0) return fetchLocalIPs();
+	if (family === 6 && (!IPv6_SUPPORT || ipv6ErrorLogged)) return;
+
+	try {
+		const { data } = await axiosSefinek.get('https://api.sefinek.net/api/v2/ip', {
+			httpsAgent: new https.Agent({ family }),
+		});
+
+		if (data?.success && data?.message) {
+			ipAddresses.add(data.message);
+
+			if (family === 6 && ipv6ErrorCount > 0) {
+				logger.success(`IPv6 is now working. It succeeded after ${ipv6ErrorCount} failed attempts.`);
+				ipv6ErrorCount = 0;
+				ipv6ErrorLogged = false;
+			}
+		} else {
+			logger.warn(`Unexpected API response: success=${data?.success}, message=${data?.message}`);
+		}
+	} catch (err) {
+		logger.error(`Failed to fetch IPv${family} address (attempt ${attempt}): ${err.message}`);
+
+		if (family === 6) {
+			ipv6ErrorCount++;
+
+			if (ipv6ErrorCount >= 6 && !ipv6ErrorLogged) {
+				ipv6ErrorLogged = true;
+				logger.warn('IPv6 address could not be retrieved after multiple attempts. Disabling further checks.');
+			} else if (attempt < 6) {
+				await new Promise(resolve => setTimeout(resolve, 4000));
+				await fetchIPAddress(6, attempt + 1);
+			}
+		}
+	}
+};
+
+const refreshServerIPs = async () => {
+	if (isRefreshing) {
+		logger.info('IP refresh already in progress, skipping...');
+		return;
+	}
+
+	isRefreshing = true;
+	logger.info('Trying to fetch your IPv4 and IPv6 address from api.sefinek.net...');
+
+	try {
+		await Promise.all([fetchIPAddress(0), fetchIPAddress(4), fetchIPAddress(6)]);
+	} catch (err) {
+		logger.error(`Failed to refresh IP addresses: ${err.message}`);
+	} finally {
+		isRefreshing = false;
+	}
+};
+
+(async () => {
+	if (IP_ASSIGNMENT === 'dynamic') new CronJob(IP_REFRESH_SCHEDULE || '0 */6 * * *', refreshServerIPs, null, true);
+})();
+
+module.exports = Object.freeze({
+	refreshServerIPs,
+	getServerIPs: () => [...ipAddresses],
+});