90 lines
2.2 KiB
JavaScript
90 lines
2.2 KiB
JavaScript
const jwt = require('jsonwebtoken');
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const { User, Role } = require('../models');
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/**
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* 验证JWT Token的中间件
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* @param {Object} req - 请求对象
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* @param {Object} res - 响应对象
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* @param {Function} next - 下一步函数
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*/
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const verifyToken = async (req, res, next) => {
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try {
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// 从请求头获取token
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const authHeader = req.headers['authorization'];
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const token = authHeader && authHeader.split(' ')[1]; // Bearer TOKEN
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if (!token) {
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return res.status(401).json({
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success: false,
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message: '未授权'
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});
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}
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// 验证token
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const decoded = jwt.verify(token, process.env.JWT_SECRET || 'your_jwt_secret_key');
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// 将用户信息添加到请求对象中
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req.user = decoded;
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next();
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} catch (error) {
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return res.status(401).json({
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success: false,
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message: '未授权'
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});
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}
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};
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/**
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* 检查用户是否具有指定角色的中间件
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* @param {string[]} roles - 允许访问的角色数组
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* @returns {Function} 中间件函数
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*/
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const checkRole = (roles) => {
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return async (req, res, next) => {
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try {
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const userId = req.user.id;
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// 查询用户及其角色
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const user = await User.findByPk(userId, {
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include: [{
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model: Role,
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as: 'roles', // 添加as属性，指定关联别名
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attributes: ['name']
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}]
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});
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if (!user) {
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return res.status(404).json({
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success: false,
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message: '用户不存在'
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});
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}
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// 获取用户角色名称数组
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const userRoles = user.roles.map(role => role.name);
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// 检查用户是否具有所需角色
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const hasRequiredRole = roles.some(role => userRoles.includes(role));
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if (!hasRequiredRole) {
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return res.status(403).json({
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success: false,
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message: '权限不足'
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});
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}
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next();
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} catch (error) {
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console.error('角色检查错误:', error);
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return res.status(500).json({
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success: false,
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message: '服务器内部错误'
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});
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}
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};
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};
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module.exports = {
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verifyToken,
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checkRole
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}; |