'use strict'; const url = require('url'); /** * refer限制 * @param referer string * @param blacklist [array|function] refer黑名单 TODO: 未实现 * 1. array: ['/login', '/signin'] 如果referer 在array中,将返回 /home * 2. function: 如果返回true, 返回/home * @return referer */ exports.refererLimit = (referer, blacklist) => { // eslint-disable-line let result; try { result = decodeURIComponent(referer || '/home'); } catch (e) { result = referer || '/home'; } let urlObj = url.parse(result, false, true); if (urlObj.hostname && !/(?:yohobuy\.com$)|(?:yoho\.cn$)/.test(urlObj.hostname)) { result = '/home'; } // TODO: blacklist; return result; };