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nxxmdata/government-backend/middleware/auth.js

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const jwt = require('jsonwebtoken');
const User = require('../models/User');
// JWT配置
const JWT_SECRET = process.env.JWT_SECRET || 'your-secret-key-change-in-production';
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module.exports = async (req, res, next) => {
// 获取token
const token = req.header('Authorization')?.replace('Bearer ', '');
if (!token) {
return res.status(401).json({
code: 401,
message: '未提供认证令牌'
});
}
try {
// 支持开发环境的模拟token
if (token.startsWith('mock-jwt-token-')) {
// 模拟用户数据,避免数据库查询
req.user = {
id: 1,
username: 'admin',
role: 'admin'
};
next();
return;
}
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// 验证token
const decoded = jwt.verify(token, JWT_SECRET);
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// 使用Sequelize模型检查用户是否存在
const user = await User.findOne({
where: {
id: decoded.id,
status: 'active'
},
attributes: ['id', 'username', 'role']
});
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if (!user) {
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return res.status(401).json({
code: 401,
message: '用户不存在或已被删除'
});
}
// 将用户信息添加到请求对象
req.user = user;
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next();
} catch (err) {
console.error(err);
return res.status(401).json({
code: 401,
message: '无效的认证令牌'
});
}
};