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110
middleware/auth.js
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110
middleware/auth.js
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const jwt = require('jsonwebtoken');
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const { getDB } = require('../database');
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const JWT_SECRET = process.env.JWT_SECRET || 'your-secret-key'; // 在生产环境中应该使用环境变量
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/**
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* 用户认证中间件
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* 验证JWT令牌并检查用户状态(包括是否被拉黑)
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*/
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const auth = async (req, res, next) => {
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try {
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const token = req.header('Authorization')?.replace('Bearer ', '');
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if (!token) {
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return res.status(401).json({ success: false, message: '未提供认证令牌' });
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}
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const decoded = jwt.verify(token, JWT_SECRET);
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const db = getDB();
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const [users] = await db.execute('SELECT * FROM users WHERE id = ?', [decoded.userId]);
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if (users.length === 0) {
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return res.status(401).json({ success: false, message: '用户不存在' });
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}
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const user = users[0];
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// 检查用户是否被拉黑
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if (user.is_blacklisted) {
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return res.status(403).json({
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success: false,
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message: '账户已被拉黑,请联系管理员',
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code: 'USER_BLACKLISTED'
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});
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}
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// 检查支付状态(管理员除外)
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if (user.role !== 'admin' && user.payment_status === 'unpaid') {
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return res.status(403).json({
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success: false,
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message: '您的账户尚未激活,请完成支付后再使用',
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code: 'PAYMENT_REQUIRED',
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needPayment: true,
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userId: user.id
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});
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}
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req.user = user;
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next();
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} catch (error) {
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res.status(401).json({ success: false, message: '无效的认证令牌' });
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}
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};
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// 管理员认证中间件
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const adminAuth = (req, res, next) => {
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if (req.user.role !== 'admin') {
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return res.status(403).json({ success: false, message: '需要管理员权限' });
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}
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next();
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};
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/**
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* 支付认证中间件
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* 只验证JWT令牌和用户状态,不检查支付状态
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* 用于支付相关接口,允许未支付用户创建支付订单
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*/
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const paymentAuth = async (req, res, next) => {
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try {
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const token = req.header('Authorization')?.replace('Bearer ', '');
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if (!token) {
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return res.status(401).json({ success: false, message: '未提供认证令牌' });
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}
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const decoded = jwt.verify(token, JWT_SECRET);
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const db = getDB();
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const [users] = await db.execute('SELECT * FROM users WHERE id = ?', [decoded.userId]);
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if (users.length === 0) {
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return res.status(401).json({ success: false, message: '用户不存在' });
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}
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const user = users[0];
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// 检查用户是否被拉黑
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if (user.is_blacklisted) {
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return res.status(403).json({
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success: false,
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message: '账户已被拉黑,请联系管理员',
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code: 'USER_BLACKLISTED'
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});
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}
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// 注意:这里不检查支付状态,允许未支付用户创建支付订单
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req.user = user;
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next();
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} catch (error) {
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console.error('支付认证失败:', error);
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if (error.name === 'JsonWebTokenError') {
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return res.status(401).json({ success: false, message: '无效的认证令牌' });
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}
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if (error.name === 'TokenExpiredError') {
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return res.status(401).json({ success: false, message: '认证令牌已过期' });
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}
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return res.status(500).json({ success: false, message: '认证失败' });
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}
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};
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module.exports = { auth, adminAuth, paymentAuth, JWT_SECRET };
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