完善了安全功能
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83
middleware/auth.js
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83
middleware/auth.js
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import { DBModel } from '../models/index.js';
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import ResponseUtil from '../utils/api_response.js';
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/**
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* 从请求中提取 token(优先 Authorization header)
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*/
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function extractToken(ctx) {
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// 优先从 Authorization: Bearer xxx 获取
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const authHeader = ctx.header?.authorization;
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if (authHeader && authHeader.startsWith('Bearer ')) {
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return authHeader.slice(7);
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}
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// 兼容旧方式:body/query/header 中的 token 字段
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return ctx.request.body?.token
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|| ctx.request.query?.token
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|| ctx.header?.token;
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}
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/**
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* 认证中间件 - 验证 token 并挂载用户信息到 ctx
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* 可选参数:
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* - required: 是否必须登录(默认 true)
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* - roles: 允许的角色列表(可选)
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*/
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function auth(options = {}) {
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const { required = true, roles } = options;
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return async (ctx, next) => {
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const token = extractToken(ctx);
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if (!token) {
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if (!required) {
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ctx.state.user = null;
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return await next();
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}
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return ResponseUtil.unauthorized(ctx, '缺少认证 token');
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}
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const user = await DBModel.User.findOne({ 'security.token': token });
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if (!user) {
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return ResponseUtil.unauthorized(ctx, '用户未登录或 token 无效');
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}
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if (user.security.tokenExpiry && new Date() > user.security.tokenExpiry) {
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return ResponseUtil.unauthorized(ctx, '登录已过期,请重新登录');
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}
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if (user.status.account === 'lock') {
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return ResponseUtil.forbidden(ctx, '账户已被锁定');
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}
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// 角色检查
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if (roles && roles.length > 0) {
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const hasRole = roles.some(role => {
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// 检查 app 字段中的角色
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return Object.values(user.app || {}).some(appData =>
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appData && Array.isArray(appData.role) && appData.role.includes(role)
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);
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});
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if (!hasRole) {
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return ResponseUtil.forbidden(ctx, '权限不足');
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}
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}
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ctx.state.user = user;
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await next();
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};
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}
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/**
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* 返回用户安全对象(去除密码等敏感字段)
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*/
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function sanitizeUser(user) {
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const obj = user.toObject ? user.toObject() : { ...user };
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delete obj.security?.passwd;
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delete obj.security?.passwdSalt;
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delete obj.security?.passwordResetToken;
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delete obj.security?.passwordResetExpiry;
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return obj;
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}
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export { auth, extractToken, sanitizeUser };
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