日期：2021/06/03 天气：多云

项目背景

云票儿目前没有node-sdk，需要自己封装

  2. /*
  3.  * @Descripttion: 云票儿SDK
  4.  * @version: v1.0.0
  5.  * @Author: nianqing
  6.  * @Date: 2021-06-02 14:58:46
  7.  */
  8. const axios = require("axios");
  9. const crypto = require('crypto');
  10. // 参考文档: https://docs.cloud.goldentec.com/%E4%BA%91%E5%BC%80%E7%A5%A8/API%E6%96%87%E6%A1%A3/%E5%BC%80%E7%A5%A8%E6%9C%8D%E5%8A%A1%E7%9B%B8%E5%85%B3%E6%8E%A5%E5%8F%A3/%E5%8F%91%E7%A5%A8%E5%BC%80%E5%85%B7%E3%80%81%E6%89%93%E5%8D%B0/%E5%8F%91%E7%A5%A8%E5%BC%80%E5%85%B7.html
  11. class BanuSdk {
  12.     /**
  13.     * @param {*} appKey 应用Key
  14.     * @param {*} algorithm 加密方式
  15.     * @param {*} appSecret 应用秘钥
  16.     * @param {*} env 环境，测试:test 线上：prod
  17.     */
  18.     constructor({ appKey = '550c2af56e4b174c9505', algorithm = "HMAC-SHA256", appSecret = '3792950fd36c9c54ee96deacc3ef433a', env = "test" }) {
  19.         this.appKey = appKey;
  20.         this.appSecret = appSecret;
  21.         this.algorithm = algorithm;
  22.         this.env = env;
  23.         this.host = env === 'test' ? 'https://apigw-test.goldentec.com' : 'https://apigw.goldentec.com';
  24.     }
  26.     formatParams(args, join) {
  27.         let keys = Object.keys(args)
  28.         if (join === '|') { keys = keys.sort() }
  29.         let newArgs = {}
  30.         keys.forEach(function (key) {
  31.             if (args[key] != "" && args[key] != 'undefined') {  //如果参数的值为空不参与签名；
  32.                 newArgs[key] = args[key]  //参数名区分大小写；
  33.             }
  34.         })
  35.         let string = ''
  36.         for (let k in newArgs) {
  37.             string += join + k + '=' + newArgs[k]
  38.         }
  39.         string = string.substr(1)
  40.         return string
  41.     }
  43.     sign(path, params) {
  44.         const timeStamp = Math.round(new Date().getTime() / 1000).toString(); //毫秒级时间戳
  45.         const nonce = Math.random().toFixed(6).slice(-6); // 6位随机数字
  46.         const publicParams = {
  47.             algorithm: this.algorithm,
  48.             appkey: this.appKey,
  49.             nonce: nonce,
  50.             timestamp: timeStamp
  51.         }
  52.         const formatString = this.formatParams(publicParams, '|');
  53.         params = JSON.stringify(params)
  54.         const oldString = `${formatString}|${path}|${params}`;
  55.         const sign = crypto.createHmac('sha256', this.appSecret).update(oldString).digest('base64');
  56.         let authParams = Object.assign({}, publicParams);
  57.         authParams.signature = sign;
  58.         const auth = this.formatParams(authParams, ',')
  59.         return auth;
  60.     }
  63.     request(path, options) {
  64.         const auth = this.sign(path, options.post)
  65.         const url = `${this.host}${path}`
  66.         return axios.post(url, options.post, { headers: { "Authorization": auth, "Content-Type": "application/json" } }).then(res => {
  67.             if (res.data && res.data.code === 0) {
  68.                 return res.data
  69.             } else {
  70.                 console.log(res.data)
  71.                 const msg = '请求云票儿服务失败'
  72.                 return msg
  73.             }
  74.         })
  75.     }
  76. }
  77. module.exports = BanuSdk;