Update Harbor client and gateway integration workflows

src/server/services/singboxSelectorService.ts

@@ -0,0 +1,66 @@
+import http from 'node:http';
+import {
+  FAILOVER_PRIMARY_TAG,
+  FAILOVER_RESERVE_TAG,
+  FAILOVER_SELECTOR_TAG,
+} from '../singbox.js';
+
+type Role = 'primary' | 'reserve';
+
+function request(port: number, method: string, body?: unknown): Promise<unknown> {
+  return new Promise((resolve, reject) => {
+    const encoded = body === undefined ? null : JSON.stringify(body);
+    const req = http.request({
+      host: '127.0.0.1',
+      port,
+      path: `/proxies/${encodeURIComponent(FAILOVER_SELECTOR_TAG)}`,
+      method,
+      headers: encoded ? {
+        'content-type': 'application/json',
+        'content-length': Buffer.byteLength(encoded),
+      } : {},
+    }, (res) => {
+      const chunks: Buffer[] = [];
+      res.on('data', (chunk: Buffer) => chunks.push(chunk));
+      res.on('end', () => {
+        if ((res.statusCode || 500) >= 400) return reject(new Error(`Sing-box selector HTTP ${res.statusCode}`));
+        if (!chunks.length) return resolve({});
+        try {
+          resolve(JSON.parse(Buffer.concat(chunks).toString('utf8')));
+        } catch (cause) {
+          reject(new Error('Sing-box selector вернул невалидный JSON', { cause }));
+        }
+      });
+    });
+    req.setTimeout(2_000, () => req.destroy(new Error('Sing-box selector timeout')));
+    req.on('error', reject);
+    req.end(encoded);
+  });
+}
+
+const tagFor = (role: Role) => role === 'primary' ? FAILOVER_PRIMARY_TAG : FAILOVER_RESERVE_TAG;
+const roleFor = (tag: unknown): Role | null => (
+  tag === FAILOVER_PRIMARY_TAG ? 'primary' : tag === FAILOVER_RESERVE_TAG ? 'reserve' : null
+);
+
+export function createSingboxSelectorService({
+  port,
+  send = (method: string, body?: unknown) => request(port, method, body),
+}: {
+  port: number;
+  send?: (method: string, body?: unknown) => Promise<unknown>;
+}) {
+  async function read() {
+    const value = await send('GET') as Record<string, unknown>;
+    const role = roleFor(value.now);
+    if (!role) throw new Error('Sing-box selector вернул неизвестный outbound');
+    return { role };
+  }
+  async function select(role: Role) {
+    await send('PUT', { name: tagFor(role) });
+    const selected = await read();
+    if (selected.role !== role) throw new Error('Sing-box selector не подтвердил переключение');
+    return selected;
+  }
+  return { read, select };
+}