/** * @description node程序，企业微信授权/应用授权 */let express = require(‘express‘);let app = express();var axios = require(‘axios‘);let base = { corpid: ‘xxx‘, // 必填，企业微信的corpid，必须与当前登录的企业一致 agentid: ‘1000247‘, // 必填，企业微信的应用id （e.g. 1000247） secret: ‘xxxxx‘, // 测试应用1000247的密码 timestamp: ‘xxxxxx‘, // 必填，生成签名的时间戳 nonceStr: ‘xxxxxx‘ // 必填，生成签名的随机串}/** * @description 通过企业id和应用密码获取企业应用最新的token和ticket * 函数内部有token和ticket的缓存，自动根据情况获取缓存还是重新请求 * @param {String} corpid 企业id * @param {String} corpsecret 应用密码 * @param {Boolean} isApp 是否是应用， 默认false *@return {Object} tokenAndTicket 返回最新有效token和ticket * tokenAndTicket.access_token token * tokenAndTicket.ticket wxTicket:企业ticket appTicket:应用ticket */const getAccessTokenAndTicket = function(corpid, corpsecret, isApp) { getAccessTokenAndTicket[corpid] = getAccessTokenAndTicket[corpid] || {}; return new Promise((resolve, reject) => { // 引用的token已经过期 则需要重新获取 // 每一个应用的corpsecret不同，此处把corpsecret作为一个应用的唯一标志 // 初始化时默认应用的token是过期的，以便获取新token if (!getAccessTokenAndTicket[corpid][corpsecret]) { getAccessTokenAndTicket[corpid][corpsecret] = { tokenExpired: true, wxTicketExpired: true, // 企业ticket appTicketExpired: true // 应用ticket }; } let appInfo = getAccessTokenAndTicket[corpid][corpsecret]; // 获取企业ticket的函数 const getWxTicket = function(ACCESS_TOKEN) { return new Promise((resl, reje) => { if (!appInfo.wxTicketExpired) { // ticket未过期直接用 resl(appInfo.wxTicket); } else { // 已过期重新获取 axios.get(`https://qyapi.weixin.qq.com/cgi-bin/get_jsapi_ticket?access_token=${ACCESS_TOKEN}`) .then(res => { let data = res.data; appInfo.wxTicket = data.ticket; appInfo.wxTicketExpired = false; // 有效期倒计时，刷新ticket过期状态 setTimeout(() => { appInfo.wxTicketExpired = true; }, data.expires_in * 1000); resl(appInfo.wxTicket); }) .catch(err => { reje(err); }) } }) }; // 获取应用的ticket的函数 const getAppTicket = function(ACCESS_TOKEN) { return new Promise((resl, reje) => { if (!appInfo.appTicketExpired) { // ticket未过期直接用 resl(appInfo.appTicket); } else { // 已过期重新获取 axios.get(`https://qyapi.weixin.qq.com/cgi-bin/ticket/get?access_token=${ACCESS_TOKEN}&type=agent_config`) .then(res => { let data = res.data; appInfo.appTicket = data.ticket; appInfo.appTicketExpired = false; // 有效期倒计时，刷新ticket过期状态 setTimeout(() => { appInfo.appTicketExpired = true; }, data.expires_in * 1000); resl(appInfo.appTicket); }) .catch(err => { reje(err); }) } }) }; // 获取token的函数，内部试用是统一的 const getToken = function(CORPID, CORPSECRET) { return new Promise((resl, reje) => { if (!appInfo.tokenExpired) { // token未过期直接用 resl(appInfo.access_token); } else { // 已过期重新获取 axios.get(`https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=${CORPID}&corpsecret=${CORPSECRET}`) .then(res => { let data = res.data; appInfo.access_token = data.access_token; appInfo.tokenExpired = false; // 有效期倒计时，刷新token过期状态 setTimeout(() => { appInfo.tokenExpired = true; }, data.expires_in * 1000); resl(appInfo.access_token); }) .catch(err => { reje(err); }) } }) } getToken(corpid, corpsecret).then(_token => { let getTicket = isApp ? getAppTicket : getWxTicket; getTicket(_token).then(_ticket => { resolve({ access_token: _token, ticket: _ticket }) }).catch(err => { reject(err); }) }).catch(err => { reject(err); }) });};function encodeUTF8(s) { var i; var r = []; var c; var x; for (i = 0; i < s.length; i++) { if ((c = s.charCodeAt(i)) < 0x80) r.push(c); else if (c < 0x800) r.push(0xC0 + (c >> 6 & 0x1F), 0x80 + (c & 0x3F)); else { if ((x = c ^ 0xD800) >> 10 == 0) // 对四字节UTF-16转换为Unicode { c = (x << 10) + (s.charCodeAt(++i) ^ 0xDC00) + 0x10000, r.push(0xF0 + (c >> 18 & 0x7), 0x80 + (c >> 12 & 0x3F)); } else r.push(0xE0 + (c >> 12 & 0xF)); r.push(0x80 + (c >> 6 & 0x3F), 0x80 + (c & 0x3F)); } }; return r;}// 字符串加密成 hex 字符串function sha1(s) { var data = new Uint8Array(encodeUTF8(s)) var i, j, t; var l = ((data.length + 8) >>> 6 << 4) + 16; var s = new Uint8Array(l << 2); s.set(new Uint8Array(data.buffer)), s = new Uint32Array(s.buffer); for (t = new DataView(s.buffer), i = 0; i < l; i++)s[i] = t.getUint32(i << 2); s[data.length >> 2] |= 0x80 << (24 - (data.length & 3) * 8); s[l - 1] = data.length << 3; var w = []; var f = [ function() { return m[1] & m[2] | ~m[1] & m[3]; }, function() { return m[1] ^ m[2] ^ m[3]; }, function() { return m[1] & m[2] | m[1] & m[3] | m[2] & m[3]; }, function() { return m[1] ^ m[2] ^ m[3]; } ]; var rol = function(n, c) { return n << c | n >>> (32 - c); }; var k = [1518500249, 1859775393, -1894007588, -899497514]; var m = [1732584193, -271733879, null, null, -1009589776]; m[2] = ~m[0], m[3] = ~m[1]; for (i = 0; i < s.length; i += 16) { var o = m.slice(0); for (j = 0; j < 80; j++) { w[j] = j < 16 ? s[i + j] : rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1), t = rol(m[0], 5) + f[j / 20 | 0]() + m[4] + w[j] + k[j / 20 | 0] | 0, m[1] = rol(m[1], 30), m.pop(), m.unshift(t); } for (j = 0; j < 5; j++)m[j] = m[j] + o[j] | 0; }; t = new DataView(new Uint32Array(m).buffer); for (var i = 0; i < 5; i++)m[i] = t.getUint32(i << 2); var hex = Array.prototype.map.call(new Uint8Array(new Uint32Array(m).buffer), function(e) { return (e < 16 ? ‘0‘ : ‘‘) + e.toString(16); }).join(‘‘); return hex;}/** 企业微信授权签名 *@param {String} url 签名用的url *@return {Object} res 返回最新有效签名t* res.data.signature 签名 */app.get(‘/wxapi/wxQyAuth‘, function(req, res) { getAccessTokenAndTicket(base.corpid, base.secret) .then(data => { let str = `jsapi_ticket=${data.ticket}&noncestr=${base.nonceStr}&timestamp=${base.timestamp}&url=${req.query.url}`; res.json({ code: ‘0‘, data: { signature: sha1(str) }, message: ‘success‘ }); });})/** 企业应用微信授权签名 *@param {String} url 签名用的url *@return {Object} res 返回最新有效签名t * res.data.signature 签名 */app.get(‘/wxapi/wxAppAuth‘, function(req, res) { getAccessTokenAndTicket(base.corpid, base.secret, true) .then(data => { let str = `jsapi_ticket=${data.ticket}&noncestr=${base.nonceStr}&timestamp=${base.timestamp}&url=${req.query.url}`; res.json({ code: ‘0‘, data: { signature: sha1(str) }, message: ‘success‘ }); });})var server = app.listen(8880, function() { var host = server.address().address var port = server.address().port console.log(‘应用实例，访问地址为 http://%s:%s‘, host, port)})