211 lines
6.7 KiB
JavaScript
211 lines
6.7 KiB
JavaScript
const http = require('http');
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const https = require('https');
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const PORT = 3456;
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const UPSTREAM_URL = 'https://iplcsub.com/subscribe/36769/gVZJsFgUA7/surge/';
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// 额外节点的 URI（VLESS 不被 Surge 支持，跳过）
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const EXTRA_NODES_RAW = [
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// VLESS-Reality — Surge 不支持，以注释形式保留
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// 'vless://d42937a5-cf84-46c9-a304-36e0b6753c4c@coding.njcqtechaicoding.com:8443?...',
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'ss://MjAyMi1ibGFrZTMtYWVzLTEyOC1nY206L3lzcGo3RFFGSm9za0MvbkFvSDRNUT09Oi95c3BqN0RRRkpvc2tDL25Bb0g0TVE9PQ@coding.njcqtechaicoding.com:8446?type=tcp#Shadowsocks-2022-ss-2022%40x3ui',
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'vmess://ewogICJ2IjogIjIiLAogICJwcyI6ICJWTWVzcy1XUy1UTFMtdm1lc3Mtd3NAeDN1aSIsCiAgImFkZCI6ICJjb2RpbmcubmpjcXRlY2hhaWNvZGluZy5jb20iLAogICJwb3J0IjogMjA4MywKICAiaWQiOiAiNTI4ODkyMDUtNmY2ZC00ZWY2LTg4ZjItMmM2YTRmYThmOTJkIiwKICAic2N5IjogIiIsCiAgIm5ldCI6ICJ3cyIsCiAgInRscyI6ICJ0bHMiLAogICJwYXRoIjogIi92bWVzc3dzIiwKICAiaG9zdCI6ICJjb2RpbmcubmpjcXRlY2hhaWNvZGluZy5jb20iLAogICJzbmkiOiAiY29kaW5nLm5qY3F0ZWNoYWljb2RpbmcuY29tIiwKICAiZnAiOiAiY2hyb21lIiwKICAiYWxwbiI6ICJoMixodHRwLzEuMSIKfQ==',
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'trojan://1d834ec2-a09b-4f59-978e-bbd557f1ee3a@coding.njcqtechaicoding.com:2087?type=tcp&security=tls&fp=chrome&alpn=h2%2Chttp%2F1.1&sni=coding.njcqtechaicoding.com#Trojan-TLS-trojan-tls%40x3ui',
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];
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/**
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* 解析 ss:// URI 为 Surge 代理行
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*/
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function parseSS(uri) {
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const url = new URL(uri);
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const name = decodeURIComponent(url.hash.slice(1));
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const server = url.hostname;
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const port = url.port;
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// userinfo 是 base64(method:password)
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const decoded = Buffer.from(url.username, 'base64').toString();
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// SS 2022 格式: method:serverKey:userKey 或 method:password
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const firstColon = decoded.indexOf(':');
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const method = decoded.slice(0, firstColon);
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const password = decoded.slice(firstColon + 1);
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return `${name} = ss, ${server}, ${port}, encrypt-method=${method}, password=${password}`;
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}
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/**
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* 解析 vmess:// URI 为 Surge 代理行
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*/
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function parseVMess(uri) {
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const b64 = uri.replace('vmess://', '');
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const json = JSON.parse(Buffer.from(b64, 'base64').toString());
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const name = json.ps || 'VMess';
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const server = json.add;
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const port = json.port;
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const uuid = json.id;
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let line = `${name} = vmess, ${server}, ${port}, username=${uuid}, vmess-aead=true`;
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if (json.tls === 'tls') {
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line += ', tls=true';
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if (json.sni) line += `, sni=${json.sni}`;
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line += ', skip-cert-verify=true';
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}
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if (json.net === 'ws') {
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line += ', ws=true';
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if (json.path) line += `, ws-path=${json.path}`;
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if (json.host) line += `, ws-headers=Host:${json.host}`;
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}
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return line;
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}
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/**
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* 解析 trojan:// URI 为 Surge 代理行
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*/
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function parseTrojan(uri) {
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const url = new URL(uri);
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const name = decodeURIComponent(url.hash.slice(1));
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const server = url.hostname;
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const port = url.port;
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const password = url.username;
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const params = url.searchParams;
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const sni = params.get('sni') || server;
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let line = `${name} = trojan, ${server}, ${port}, password=${password}, sni=${sni}, skip-cert-verify=true`;
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return line;
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}
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/**
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* 将各协议的 URI 转为 Surge 代理行
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*/
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function convertToSurgeLine(uri) {
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if (uri.startsWith('ss://')) return parseSS(uri);
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if (uri.startsWith('vmess://')) return parseVMess(uri);
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if (uri.startsWith('trojan://')) return parseTrojan(uri);
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return null;
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}
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/**
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* 通过 HTTPS 获取上游订阅内容
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*/
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function fetchUpstream() {
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return new Promise((resolve, reject) => {
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https.get(UPSTREAM_URL, (res) => {
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let data = '';
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res.on('data', (chunk) => (data += chunk));
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res.on('end', () => resolve(data));
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res.on('error', reject);
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}).on('error', reject);
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});
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}
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/**
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* 将额外节点注入到 Surge 配置中
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*/
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function mergeNodes(config, extraLines) {
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if (extraLines.length === 0) return config;
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const extraNames = extraLines.map((l) => l.split(' = ')[0].trim());
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const lines = config.split('\n');
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const result = [];
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let inProxySection = false;
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let inProxyGroupSection = false;
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let proxyGroupHandled = false;
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for (let i = 0; i < lines.length; i++) {
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const line = lines[i];
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const trimmed = line.trim();
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// 检测 section 边界
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if (trimmed.startsWith('[') && trimmed.endsWith(']')) {
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// 如果正在 [Proxy] section，插入额外节点
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if (inProxySection) {
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result.push('# --- 自定义节点 ---');
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extraLines.forEach((l) => result.push(l));
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result.push('');
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inProxySection = false;
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}
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if (trimmed === '[Proxy]') {
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inProxySection = true;
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} else if (trimmed === '[Proxy Group]') {
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inProxyGroupSection = true;
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} else {
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inProxyGroupSection = false;
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}
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}
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// 处理 Proxy Group，在第一个 select 组中追加自定义节点名
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if (inProxyGroupSection && !proxyGroupHandled && trimmed.includes('= select,')) {
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const appended = line + ',' + extraNames.join(',');
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result.push(appended);
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proxyGroupHandled = true;
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continue;
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}
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result.push(line);
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}
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// 如果 [Proxy] 是最后一个 section
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if (inProxySection) {
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result.push('# --- 自定义节点 ---');
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extraLines.forEach((l) => result.push(l));
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}
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return result.join('\n');
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}
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/**
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* 替换 MANAGED-CONFIG URL 指向本地服务
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*/
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function rewriteManagedConfig(config, localUrl) {
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return config.replace(
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/^#!MANAGED-CONFIG\s+\S+/m,
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`#!MANAGED-CONFIG ${localUrl}`
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);
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}
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// 创建 HTTP 服务
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const server = http.createServer(async (req, res) => {
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if (req.url === '/' || req.url === '/surge') {
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try {
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console.log(`[${new Date().toISOString()}] Fetching upstream subscription...`);
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const upstream = await fetchUpstream();
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// 解析额外节点
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const extraLines = EXTRA_NODES_RAW.map(convertToSurgeLine).filter(Boolean);
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// 合并配置
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let merged = mergeNodes(upstream, extraLines);
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// 替换 MANAGED-CONFIG URL
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const localUrl = `http://${req.headers.host || `127.0.0.1:${PORT}`}/surge`;
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merged = rewriteManagedConfig(merged, localUrl);
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console.log(`[${new Date().toISOString()}] Serving merged config (${extraLines.length} extra nodes)`);
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res.writeHead(200, {
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'Content-Type': 'text/plain; charset=utf-8',
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'Content-Disposition': 'attachment; filename=merged.conf',
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});
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res.end(merged);
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} catch (err) {
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console.error('Error:', err.message);
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res.writeHead(502, { 'Content-Type': 'text/plain' });
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res.end('Failed to fetch upstream subscription');
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}
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} else {
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res.writeHead(404);
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res.end('Not Found');
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}
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});
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server.listen(PORT, () => {
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console.log(`Sub-Router running at http://127.0.0.1:${PORT}/surge`);
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console.log('Use this URL in Surge as your subscription link.');
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console.log('');
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console.log('Note: VLESS-Reality node is skipped (not supported by Surge).');
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});
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