set-yoho-data.js
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/**
* 设置 YOHO 数据
* @author: 赵彪<bill.zhao@yoho.cn>
* @date: 2016/6/16
*/
'use strict';
const _ = require('lodash');
const net = require('net');
/**
* 获取 IP
* @param {*} req
*/
const _getClientIp = req => {
let remoteIp = req.get('X-Forwarded-For') || req.get('X-Real-IP') || req.ip;
if (remoteIp.indexOf(',') > 0) {
let arr = remoteIp.split(',');
remoteIp = _.trim(arr[arr.length - 1]);
}
if (_.startsWith(remoteIp, '10.66.')) {
remoteIp = req.get('X-Real-IP');
}
remoteIp = _.trim(remoteIp);
if (!net.isIPv4(remoteIp)) {
let ipv6String = remoteIp.split(':');
remoteIp = ipv6String[ipv6String.length - 1];
}
return remoteIp;
};
module.exports = () => {
return (req, res, next) => {
let yoho = {
pageChannel: {}
};
let ua = (req.get('User-Agent') || '').toLowerCase();
const channel = req.query.channel || req.cookies._Channel || 'boys';
// IP 地址
yoho.clientIp = _getClientIp(req);
// 用于头部颜色控制
yoho.pageChannel[channel] = true;
// 当前频道设置
yoho.channel = channel;
// 判断请求是否来自app
yoho.isApp = (req.query.app_version && req.query.app_version !== 'false') ||
(req.query.appVersion && req.query.appVersion !== 'false') ||
req.cookies.app_version || /YohoBuy/i.test(req.get('User-Agent') || '');
yoho.isMobile = /(nokia|iphone|android|ipad|motorola|^mot\-|softbank|foma|docomo|kddi|up\.browser|up\.link|htc|dopod|blazer|netfront|helio|hosin|huawei|novarra|CoolPad|webos|techfaith|palmsource|blackberry|alcatel|amoi|ktouch|nexian|samsung|^sam\-|s[cg]h|^lge|ericsson|philips|sagem|wellcom|bunjalloo|maui|symbian|smartphone|midp|wap|phone|windows ce|iemobile|^spice|^bird|^zte\-|longcos|pantech|gionee|^sie\-|portalmmm|jig\s browser|hiptop|^ucweb|^benq|haier|^lct|opera\s*mobi|opera\*mini|320x320|240x320|176x220)/i.test(req.get('User-Agent') || ''); // eslint-disable-line
yoho.isWechat = /micromessenger/i.test(req.get('User-Agent') || '');
yoho.isWeibo = ua.indexOf('weibo') !== -1;
yoho.isqq = /MQQBrowser/i.test(req.get('User-Agent') || '');
Object.assign(res.locals, yoho);
Object.assign(req.yoho, yoho);
// App 内请求支持跨域
if (yoho.isApp) {
res.set('Access-Control-Allow-Origin', '*');
}
next();
};
};