init: init proj

server/src/services/generators/surge.ts

@@ -0,0 +1,124 @@
+import { clientSupports, normalizeSsCipher, type ExcludedNode, type NodeDto } from '@proxy-station/shared';
+import type { ProfileIR } from '../ir.js';
+
+/** 成员名含空格/逗号时按 Surge 习惯加引号 */
+function quoteName(name: string): string {
+  return /[\s,]/.test(name) ? `"${name}"` : name;
+}
+
+export function surgeNodeLine(n: NodeDto): string {
+  const parts: string[] = [];
+  switch (n.protocol) {
+    case 'vmess': {
+      parts.push('vmess', n.server, String(n.port), `username=${n.uuid}`);
+      if (n.network === 'ws') {
+        parts.push('ws=true', `ws-path=${n.wsPath}`);
+        if (n.wsHost) parts.push(`ws-headers=Host:"${n.wsHost}"`);
+      }
+      if (n.tls) {
+        parts.push('tls=true');
+        if (n.sni) parts.push(`sni=${n.sni}`);
+      }
+      // alterId=0 的 AEAD 头必须显式打开，否则 Surge 连不上且症状隐晦
+      parts.push('vmess-aead=true');
+      break;
+    }
+    case 'trojan': {
+      parts.push('trojan', n.server, String(n.port), `password=${n.password}`);
+      if (n.network === 'ws') {
+        parts.push('ws=true', `ws-path=${n.wsPath}`);
+        if (n.wsHost) parts.push(`ws-headers=Host:"${n.wsHost}"`);
+      }
+      if (n.sni) parts.push(`sni=${n.sni}`);
+      if (n.skipCertVerify) parts.push('skip-cert-verify=true');
+      break;
+    }
+    case 'shadowsocks': {
+      parts.push('ss', n.server, String(n.port), `encrypt-method=${normalizeSsCipher(n.method || '')}`, `password=${n.password}`);
+      break;
+    }
+    case 'hysteria2': {
+      parts.push('hysteria2', n.server, String(n.port), `password=${n.password}`);
+      if (n.sni) parts.push(`sni=${n.sni}`);
+      // Surge 的 salamander 混淆参数名（sub-router 生产验证过）
+      if (n.obfsType === 'salamander' && n.obfsPassword) parts.push(`salamander-password=${n.obfsPassword}`);
+      if (n.downMbps) parts.push(`download-bandwidth=${n.downMbps}`);
+      if (n.skipCertVerify) parts.push('skip-cert-verify=true');
+      break;
+    }
+  }
+  return `${n.name} = ${parts.join(', ')}`;
+}
+
+export interface SurgeOutput {
+  content: string;
+  excluded: ExcludedNode[];
+}
+
+export function generateSurge(ir: ProfileIR, opts: { selfUrl: string }): SurgeOutput {
+  const excluded: ExcludedNode[] = [];
+  const usable = ir.nodes.filter((n) => {
+    const verdict = clientSupports('surge', n);
+    if (!verdict.ok) excluded.push({ name: n.name, reason: verdict.reason! });
+    return verdict.ok;
+  });
+  const usableNames = new Set(usable.map((n) => n.name));
+
+  const lines: string[] = [];
+  lines.push(`#!MANAGED-CONFIG ${opts.selfUrl} interval=86400 strict=true`);
+  lines.push('# 由 Proxy Station 生成，请勿手动编辑（改动会在下次更新时被覆盖）');
+  lines.push('');
+  lines.push('[General]');
+  lines.push(ir.sections['General'] ?? '');
+
+  lines.push('', '[Proxy]');
+  for (const n of usable) lines.push(surgeNodeLine(n));
+
+  lines.push('', '[Proxy Group]');
+  for (const g of ir.groups) {
+    const parts: string[] = [g.type];
+    const memberNames = g.members
+      .filter((m) => m.kind !== 'node' || usableNames.has(m.name))
+      .map((m) => quoteName(m.name));
+    if (g.filterRegex) {
+      // 按名称正则动态筛选：节点来源可以是全部节点，也可以是另一个组
+      if (g.includeAllNodes) {
+        parts.push('include-all-proxies=true');
+      } else {
+        const source = g.members.find((m) => m.kind === 'group');
+        if (source) parts.push(`include-other-group=${quoteName(source.name)}`);
+      }
+      parts.push(`policy-regex-filter=${g.filterRegex}`);
+    } else if (g.includeAllNodes) {
+      // 「全部节点」组：显式展开当前启用且 Surge 支持的节点
+      parts.push(...usable.map((n) => quoteName(n.name)), ...memberNames.filter((m) => !usableNames.has(m)));
+      if (usable.length === 0) parts.push('DIRECT');
+    } else {
+      parts.push(...(memberNames.length ? memberNames : ['DIRECT']));
+    }
+    if (g.type !== 'select') {
+      parts.push(`url=${g.testUrl || 'http://cp.cloudflare.com/generate_204'}`);
+      if (g.interval) parts.push(`interval=${g.interval}`);
+      if (g.tolerance) parts.push(`tolerance=${g.tolerance}`);
+    }
+    lines.push(`${g.name} = ${parts.join(', ')}`);
+  }
+
+  lines.push('', '[Rule]');
+  for (const r of ir.rules) {
+    if (r.type === 'FINAL') {
+      lines.push(['FINAL', quoteName(r.policy), ...r.params].join(','));
+      continue;
+    }
+    const value = r.ruleset ? r.ruleset.surgeUrl : r.value;
+    lines.push([r.type, value, quoteName(r.policy), ...r.params].join(','));
+  }
+
+  for (const section of ['Host', 'URL Rewrite', 'Header Rewrite', 'MITM', 'Script']) {
+    if (ir.sections[section]) {
+      lines.push('', `[${section}]`, ir.sections[section]);
+    }
+  }
+
+  return { content: lines.join('\n') + '\n', excluded };
+}