chore: initialize deployable website and CMS

cms/server/src/middleware/auth.js

@@ -0,0 +1,36 @@
+import jwt from 'jsonwebtoken';
+import crypto from 'crypto';
+import 'dotenv/config';
+
+const SECRET = process.env.JWT_SECRET || (process.env.NODE_ENV === 'production'
+  ? (() => { throw new Error('JWT_SECRET must be configured in production'); })()
+  : crypto.randomBytes(32).toString('hex'));
+
+export function signToken(payload) {
+  return jwt.sign(payload, SECRET, { expiresIn: '12h' });
+}
+export function verifyToken(token) {
+  return jwt.verify(token, SECRET);
+}
+export function authMiddleware(req, res, next) {
+  // 静态资源与诊断公开
+  if (req.path.startsWith('/admin') || req.path.startsWith('/uploads') || req.path === '/health' || req.path === '/') return next();
+  // 诊断相关全部公开（问卷、会话、报告、留资、分享、PDF）- 但CMS诊断后台需鉴权
+  if (req.path.startsWith('/api/diagnosis/')) return next();
+  // 所有 CMS 管理接口（包括 GET）都必须鉴权；只有下方聚合公开接口例外。
+  if (req.path === '/api/auth/login' || req.path === '/api/cms/public' || req.path === '/api/contact/leads') return next();
+  // 上传也需鉴权
+  const auth = req.headers.authorization;
+  if (!auth || !auth.startsWith('Bearer ')) {
+    if (req.path === '/api/cms/public' || req.path === '/api/contact/leads') return next();
+    return res.status(401).json({ code: 401, msg: '未登录' });
+  }
+  try {
+    const token = auth.slice(7);
+    const decoded = jwt.verify(token, SECRET);
+    req.user = decoded;
+    next();
+  } catch (e) {
+    return res.status(401).json({ code: 401, msg: '登录失效' });
+  }
+}