mirror of
https://github.com/MCSManager/MCSManager.git
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46 lines
1.9 KiB
JavaScript
46 lines
1.9 KiB
JavaScript
//基础的路由定义
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const router = require('express')();
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const response = require('../helper/Response');
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const permssion = require('../helper/Permission');
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const VarCenter = require('../model/VarCenter');
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const counter = require('../core/counter');
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const UUID = require('uuid');
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//Token
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router.get('/', function (req, res) {
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let username = req.session['username'] || undefined;
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//ajax 会受到浏览器跨域限制，姑不能对其进行csrf攻击获取token，尽管它可伪造。
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if (req.xhr) {
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if (!req.session['token']) {
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MCSERVER.log('[ Token ]', '用户 ', username, ' 请求更新令牌');
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//强化 token
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req.session['token'] = permssion.randomString(6) + UUID.v4().replace(/-/igm, "");
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}
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if (username == undefined || username.trim() == '' || !req.session['login']) {
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//用户未登录，返回一个随机的 token 给它，并且这个 token 与正常的 token 几乎一模一样
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response.returnMsg(res, 'token', {
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token: permssion.randomString(6) + UUID.v4().replace(/-/igm, ""),
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username: username,
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});
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return;
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}
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VarCenter.get('user_token')[req.session['token']] = username;
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req.session.save();
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response.returnMsg(res, 'token', {
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token: req.session['token'],
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username: username,
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});
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} else {
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counter.plus('csrfCounter');
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res.send('<h1>CSRF 防御策略</h1><hr><p>您不能直接访问本页面,这是为了防御 CSRF 攻击,务必直接访问首页!</p>' +
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'<p>具体信息我们将统计到非法 API 请求,这可能需要值得您注意.</p>');
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}
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res.end();
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});
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//模块导出
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module.exports = router;
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// res.header('X-Powered-By','Mcserver Manager HTT_P_SERVER');
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//res.cookie('token_to',permssion.randomString(32));
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