前端使用 crypto-js 库 aes加解密 - ToB企服应用市场:ToB评测及商务社交产业平台

<script src="https://cdn.bootcdn.net/ajax/libs/crypto-js/4.1.1/aes.min.js"></script>

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npm install crypto-js
yarn add crypto-js

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const CryptoJS = require('crypto-js');

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import CryptoJS from 'crypto-js';

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// 创建key.js文件
import JSEncrypt from 'jsencrypt'
const encrypt = new JSEncrypt();
let publicKey = 'MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCeCDcnFrS7DIRbvZLHreVUzaMbAFy2DYmioxBK606urY4rVR8IgLgUhnyw2/GQ99pyr8lGtqPeOoapantw1XwEVyi74MDxs4UDL8j4OZR1Es7HVGOB0GwKWobdU9cm/1iDwGyouSmijxKyAePg6KsLNgbjDPYZRS11bYEuZ8/RLQIDAQAB';
// 设置公钥
encrypt.setPublicKey('-----BEGIN PUBLIC KEY-----' + publicKey + '-----END PUBLIC KEY-----')
const random = (length) => {
var str = Math.random().toString(36).substr(2);
if (str.length >= length) {
return str.substr(0, length);
}
str += random(length - str.length);
return str;
}
export const rsaEncode = (src) => {
// 加密数据
let data = encrypt.encrypt(src);
return data
};
export const getKey = () => {
// 生成私钥和偏移量
let key = { key: random(16), iv: random(16) };
// 对私钥和偏移量加密
let code = rsaEncode(key.key + ',' + key.iv);
window.codeArr = window.codeArr || {};
// 存入客户端
codeArr[code] = key;
return {
key, code
}
};
export const getAesKey = (aes) => {
console.log('aes: ', aes);
let key = JSON.parse(JSON.stringify(codeArr[aes]));
// 从客户端获取到 key
delete codeArr[aes];
return key
};
window.getKey = getKey
window.rsaEncode = rsaEncode

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// 创建 encrypt.js 文件import CryptoJS from 'crypto-js';
// ------------AES 加密-------------function getAesString(data, key, iv) {//加密 let keys = CryptoJS.enc.Utf8.parse(key) let vis = CryptoJS.enc.Utf8.parse(iv) let encrypt = CryptoJS.AES.encrypt(data, keys, { iv: vis, //iv偏移量 CBC需加偏移量 mode: CryptoJS.mode.CBC, //CBC模式 // mode: CryptoJS.mode.ECB, //ECB模式 padding: CryptoJS.pad.Pkcs7 //padding处理 }); // debugger return encrypt.toString(); //加密完成后，转换成字符串}// ------------AES 解密-------------function getDAesString(encrypted, key, iv) { // 解密 var key = CryptoJS.enc.Utf8.parse(key); var iv = CryptoJS.enc.Utf8.parse(iv); var decrypted =CryptoJS.AES.decrypt(encrypted,key,{ iv:iv, mode:CryptoJS.mode.CBC, padding:CryptoJS.pad.Pkcs7 }); return decrypted.toString(CryptoJS.enc.Utf8);}// AES 对称秘钥加密const aes = { en: (data, key) => getAesString(data, key.key, key.iv), de: (data, key) => getDAesString(data, key.key, key.iv)};export { aes };

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/**
*
* http配置
*
*/
// 引入axios以及element ui中的loading和message组件
import { aes } from "@/util/encrypt.js";
import { getKey, getAesKey } from "@/config/key.js";
import axios from "axios";
import store from "../store";
import router from "../router/router";
import { Loading, Message } from "element-ui";
import { getSessStore, setSessStore } from "@/util/store";
// 超时时间
if (store.online) axios.defaults.timeout = 20000;
else axios.defaults.timeout = 0;
//跨域请求，允许保存cookie
axios.defaults.withCredentials = true;
// 统一加解密
const Unify = {
// 统一加密方法
en(data, key) {
// 1.aes加密
let aesStr = aes.en(JSON.stringify(data), key);
return aesStr;
},
// 统一解密
de(aesStr, key) {
// 1.aes解密
let dataStr = aes.de(aesStr, key);
// 3.转json对象
let data = JSON.parse(dataStr);
return data;
},
};
let loadinginstace;
let cfg, msg;
msg = "服务器君开小差了，请稍后再试";
function ens(data) {
// debugger
let src = [...data];
src = JSON.stringify(src);
let dataJm = aes.en(src);
return dataJm;
}
function des(data) {
// debugger
let src = [...data];
let dataJm = aes.de(src);
dataJm = JSON.parse(dataJm);
return dataJm;
}
const cancelToken = axios.CancelToken
const source = cancelToken.source()
//HTTPrequest拦截
axios.interceptors.request.use(
function (config) {
console.log(config.data, "加密前入参---");
config.cancelToken = source.token; // 全局添加cancelToken
loadinginstace = Loading.service({
fullscreen: true,
});
if (store.getters.token) {
let info = getSessStore("token");
// console.log("info", info);
config.headers["Authorization"] = "Bearer " + info; // 让每个请求携带token-- ['X-Token']为自定义key 请根据实际情况自行修改
}
const contenttype = config.headers.common["Accept"];
let types = contenttype.includes("application/json");
let key = getKey(); // 获取密钥
config.headers["aes"] = key.code; // 将 aes 的 code 设置到请求头,传给后端解密
config.headers["name"] = "send";
if (types) {
if (config.method == "post" || config.method == "put") {
if (config.data) {
config.headers["crypto"] = true;
config.headers["content-type"] = "application/json";
let data = {
body: config.data,
};
let dataJm = Unify.en(data, key.key); // 加密 post 请求参数
config.data = dataJm;
}
}
}
return config;
},
(error) => {
return Promise.reject(error);
}
);
//HTTPresponse拦截
axios.interceptors.response.use(
(response) => {
loadinginstace.close();
let res = response.data || {};
if (response.headers["date"]) {
store.commit("setServiceTime", response.headers.date);
}
if (res.crypto) {
try {
let key = getAesKey(response.headers.aes); // 拿到加密后的key
if (!key) {
message("获取密钥异常", "error");
return Promise.reject(res);
}
// debugger
res = Unify.de(res.body, key); // 解密数据
response.data = res;
} catch (err) {
message("系统异常：" + err.message, "error");
return Promise.reject(err);
}
}
// debugger
if (res.code === 1) {
message(res.msg, "error");
return Promise.reject(res);
}
console.log(response, "解密后response");
return response;
},
(error) => {
console.log("错误信息", error);
loadinginstace.close();
const res = error.response || {};
if (res.status === 478 || res.status === 403 || res.status === 401) {
let resMsg = res.data.msg ? res.data.msg : res.data.data
if (res.status === 403) {
message('服务授权失败，请联系管理添加权限！', "error");
} else {
message(resMsg, "error");
}
let flg = res.data.msg.includes('当前登录状态已失效')
if (res.status === 478 && flg) {
//token失效
source.cancel('登录信息已过期'); // 取消其他正在进行的请求
store.dispatch("FedLogOut").then(() => {
router.push("/login"); ///test
});
}
} else if (res.status === 400) {
message(res.data.error_description, "error");
} else if (res.status === 202) {
//三方未绑定
this.$router.push({
path: "/",
});
} else if (res.status === 503 || res.status === 504) {
//服务异常
message(res.data, "error");
} else if (
(res.status === 401 && res.statusText == "Unauthorized") ||
res.data.error == "invalid_token" ||
res.data.error == "unauthorized"
) {
//token失效
store.dispatch("FedLogOut").then(() => {
router.push("/login"); ///test
});
} else {
message(res.data.message, "error");
}
return Promise.reject(error);
}
);
export function message(text, type) {
let t = text ? text : "服务或网络异常！"
Message({
message: t,
type: type,
duration: 30 * 1000,
center: true,
showClose: true
});
}
export default axios;

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