项目实战之---AES 加密

ajax/index.js

1import axiosApi from '../js/fetch';
2import { baseUrl, headerParams } from '../js/baseUrl';
3// import引用AES源码js
4import CryptoJS from 'crypto-js/crypto-js';
5console.log(process.env);
6// 密钥  4492d531a3a04939
7// 生成验签的密钥不做任何处理
8let signKey = '4492d531a3a04939';
9// 参与加解密的验签
10var keyCode = '4492d531a3a04939';
11switch (process.env.NODE_ENV) {
12case 'development': keyCode = '4492d531a3a04939'; break;
13case 'test': keyCode = '4492d531a3a04939'; break;
14case 'production': keyCode = '/static/dev/'; break;
15default: keyCode = '4492d531a3a04939'; break;
16}
17
18// 随机数
19function getRandom (length) {
20  let randomStr = '';
21  if (!length) {
22    var length = 5;
23  }
24  for (var i = 0; i <= length; i++) {
25    randomStr += Math.floor(Math.random() * 10);
26  }
27  return randomStr;
28}
29 
30// 得到验签
31function getRequestObj () {
32  var newRequestObj = {}; // 参数对象
33  let initArray = []; // 延签数组
34  let nonce = getRandom(); // 随机数
35  let timestamp = new Date().getTime();
36  initArray.push(nonce, timestamp, signKey);
37  let initStr = initArray.sort().join(''); // 延签
38  console.log(initStr);
39  // eslint-disable-next-line new-cap
40  initStr = CryptoJS.SHA1(initStr).toString().toUpperCase();
41  // console.log('加密后的验签', initStr);
42  let queryStr = '';
43  // 拼接参数
44  newRequestObj.timestamp = timestamp;
45  newRequestObj.nonce = nonce;
46  newRequestObj.signature = initStr;
47  for (var key in newRequestObj) {
48    queryStr += key + '=' + newRequestObj[key] + '&';
49  }
50  queryStr = queryStr.substring(0, queryStr.length - 1);
51  return queryStr;
52}
53// 处理key
54function getKey (lightKey) {
55  // eslint-disable-next-line new-cap
56  var realKey = CryptoJS.SHA1(lightKey);
57  // eslint-disable-next-line new-cap
58  realKey = CryptoJS.SHA1(realKey).toString().substring(0, 32); // 真正的key
59  // console.log('realKey', realKey);
60  return realKey;
61}
62// 加密
63export function encrypt (data, lightKey) {
64  lightKey = lightKey || keyCode;      // 这一步异常关键！！！！！！
65  var realKey = getKey(lightKey);
66  var encrypt = CryptoJS.AES.encrypt(data, CryptoJS.enc.Hex.parse(realKey), {
67    mode: CryptoJS.mode.ECB,
68    padding: CryptoJS.pad.Pkcs7
69  });
70  return encrypt.ciphertext.toString(CryptoJS.enc.Base64);
71}
72// 解密
73export function decrypt (data, lightKey) {
74  lightKey = lightKey || keyCode;      // 这一步异常关键！！！！！！
75  var realKey = getKey(lightKey);
76  var decrypt = CryptoJS.AES.decrypt({
77    ciphertext: CryptoJS.enc.Base64.parse(data)
78  }, CryptoJS.enc.Hex.parse(realKey), {
79    mode: CryptoJS.mode.ECB,
80    padding: CryptoJS.pad.Pkcs7
81  });
82  return decrypt.toString(CryptoJS.enc.Utf8);
83}
84  // 解析响应
85function ajax (opts) {
86  return new Promise((resolve, reject) => {
87    axiosApi
88      .request(opts)
89      .then(data => {
90         //   对入参解密
91        data = JSON.parse(decrypt(data));
92        const { code } = data;
93        if (Number(code) === 0) return resolve(data);
94        reject(data);
95      })
96      .catch(err => {
97        reject(err);
98      });
99  });
100}
101
102// 加解密封装ajax;
103export function doAjax (name, params, method) {
104  var test = getRequestObj();
105  console.log(test, '===>');
106  const opts = {
107    url: baseUrl + name + '?' + test,
108    method: method, // 请求方式
109    data: encrypt(JSON.stringify(headerParams(name, params))),
110    headers: { 'Content-Type': 'application/json' }
111  };
112  var data = encrypt(JSON.stringify(headerParams(name, params)));
113  console.log(data, '====>加密');
114  console.log(JSON.parse(decrypt(data)), '===>解密');
115  return ajax(opts);
116}
117
118export default {
119  encrypt,
120  decrypt
121};
122

headerParams封装在baseUrl.js文件中

1export const baseUrl = 'http://10.29.32.19:8088/bmp/payment/';
2
3export const headerParams = (name, data) => {
4  if (!data) {
5    data = {};
6  };
7  let headerParams = {
8    charset: 'utf-8',
9    method: 'com.taiping.cashier.' + name,
10    signature: '',
11    timestamp: new Date().getTime(),
12    transId: '',
13    version: '2.0',
14    requestData: data
15  };
16  return headerParams;
17};