all-in-one-sys/middleware/auth.js

/**
 * JWT认证中间件
 */

const jwt = require('jsonwebtoken');

const JWT_SECRET = process.env.JWT_SECRET || 'duoduo-career-jwt-secret-key-2024';

/**
 * 验证JWT Token
 */
const verifyToken = (req, res, next) => {
    try {
        // 从请求头获取token
        const token = req.headers.authorization?.replace('Bearer ', '');

        if (!token) {
            return res.status(401).json({
                success: false,
                message: '未提供认证令牌'
            });
        }

        // 验证token
        const decoded = jwt.verify(token, JWT_SECRET);
        req.user = decoded;
        next();
    } catch (error) {
        if (error.name === 'TokenExpiredError') {
            return res.status(401).json({
                success: false,
                message: '令牌已过期，请重新登录'
            });
        }

        return res.status(401).json({
            success: false,
            message: '无效的认证令牌'
        });
    }
};

/**
 * 验证管理员权限
 */
const verifyAdmin = (req, res, next) => {
    if (req.user.role !== 'admin') {
        return res.status(403).json({
            success: false,
            message: '需要管理员权限'
        });
    }
    next();
};

/**
 * 可选的Token验证（用于获取登录状态但不强制要求）
 */
const optionalAuth = (req, res, next) => {
    try {
        const token = req.headers.authorization?.replace('Bearer ', '');
        if (token) {
            const decoded = jwt.verify(token, JWT_SECRET);
            req.user = decoded;
        }
    } catch (error) {
        // 忽略错误，继续执行
    }
    next();
};

module.exports = {
    verifyToken,
    verifyAdmin,
    optionalAuth
};