user.js 3.03 KB
'use strict';

const Fn = require('lodash/fp');
const cookie = global.yoho.cookie;
const authcode = require(`${global.utils}/authcode`);
const Promise = require('bluebird');
const co = Promise.coroutine;
const config = require('../../config/common');
const cache = global.yoho.cache;
const logger = global.yoho.logger;


// const loginService = require('../../apps/passport/models/login-service');
// const _ = require('lodash');
// const cache = global.yoho.cache;

function decrypt(word) {
    return authcode(word, '_SESSION_KEY', 0, 'decode');
}

module.exports = () => {
    return (req, res, next) => {

        // 获得原始请求 url
        req.fullUrl = () => req.protocol + '://' + req.get('host') + req.originalUrl;

        co(function *() {

            // memcached中session的key
            let cKey = `${config.sessionMemcachedPrefix}${req.sessionID}`,
                uid = 0;

            yield cache.get(cKey).catch(err => {
                logger.error(`product query save cache data fail:${err.toString()}`);
                uid = cookie.getUid(req);
            }).then((session) => {
                if (session) {
                    uid = JSON.parse(session).LOGIN_UID_;
                }
            });

            // 从 cookie 读取 UID
            if (uid && req.cookies._UID && req.cookies._SESSION_KEY) {

                let uidCookie = req.cookies._UID.split('::');

                let getName = Fn.nth(0);
                let getVip = Fn.nth(2);
                let getToken = Fn.nth(3);

                req.user.name = getName(uidCookie);    // 0
                req.user.vip = getVip(uidCookie);      // 2
                req.user.token = getToken(uidCookie);  // 3
                req.user.isStudent = req.cookies.isStudent || 0;

                req.user.uid = {
                    toString() {
                        return this.uid;
                    },
                    uid: uid,
                    sessionKey: decodeURIComponent(decrypt(req.cookies._SESSION_KEY)),
                    isValid() {
                        return this.uid && this.sessionKey;
                    }
                };

            }
            next();
        })();


        // 记住我
        // if (_.isEmpty(req.user) && req.cookies.isRemember === 'true' && req.cookies.remem) {
        //     return cache.get(req.cookies.remem).then((result) => {
        //         let data = JSON.parse(result || '{}');

        //         let area = data.area;
        //         let account = data.account;
        //         let password = data.password;

        //         return loginService.signin('password', area, account, password);
        //     }).then((result) => {
        //         if (result.code !== 200) {
        //             return Promise.reject();
        //         }

        //         return loginService.syncUserSession(result.data.uid, req, res);
        //     }).then(() => {
        //         return res.redirect(req.fullUrl());
        //     }).catch(next);
        // } else {
        //     return next();
        // }
    };
};