add 新增响应解密私钥 ;

add 新增 crypto#decryptBase64 Base64解码方法 ;
update 更新响应拦截器增加响应解密逻辑 ;

src/utils/crypto.ts

@@ -30,6 +30,13 @@ export const encryptBase64 = (str: CryptoJS.lib.WordArray) => {
   return CryptoJS.enc.Base64.stringify(str);
 };
 
+/**
+ * 解密base64
+ */
+export const decryptBase64 = (str: string) => {
+  return CryptoJS.enc.Base64.parse(str);
+};
+
 /**
  * 使用密钥对数据进行加密
  * @param message
@@ -43,3 +50,17 @@ export const encryptWithAes = (message: string, aesKey: CryptoJS.lib.WordArray)
   });
   return encrypted.toString();
 };
+
+/**
+ * 使用密钥对数据进行解密
+ * @param message
+ * @param aesKey
+ * @returns {string}
+ */
+export const decryptWithAes = (message: string, aesKey: CryptoJS.lib.WordArray) => {
+  const decrypted = CryptoJS.AES.decrypt(message, aesKey, {
+    mode: CryptoJS.mode.ECB,
+    padding: CryptoJS.pad.Pkcs7
+  });
+  return decrypted.toString(CryptoJS.enc.Utf8);
+};

src/utils/jsencrypt.ts

@@ -4,7 +4,7 @@ import JSEncrypt from 'jsencrypt';
 const publicKey = import.meta.env.VITE_APP_RSA_PUBLIC_KEY;
 
 // 前端不建议存放私钥 不建议解密数据 因为都是透明的意义不大
-const privateKey = '**********';
+const privateKey = import.meta.env.VITE_APP_RSA_PRIVATE_KEY;
 
 // 加密
 export const encrypt = (txt: string) => {

src/utils/request.ts

@@ -8,9 +8,10 @@ import { errorCode } from '@/utils/errorCode';
 import { LoadingInstance } from 'element-plus/es/components/loading/src/loading';
 import FileSaver from 'file-saver';
 import { getLanguage } from '@/lang';
-import { encryptBase64, encryptWithAes, generateAesKey } from '@/utils/crypto';
-import { encrypt } from '@/utils/jsencrypt';
+import { encryptBase64, encryptWithAes, generateAesKey, decryptWithAes, decryptBase64 } from '@/utils/crypto';
+import { encrypt, decrypt } from '@/utils/jsencrypt';
 
+const encryptHeader = 'encrypt-key';
 let downloadLoadingInstance: LoadingInstance;
 // 是否显示重新登录
 export const isRelogin = { show: false };
@@ -78,7 +79,7 @@ service.interceptors.request.use(
     if (isEncrypt && (config.method === 'post' || config.method === 'put')) {
       // 生成一个 AES 密钥
       const aesKey = generateAesKey();
-      config.headers['encrypt-key'] = encrypt(encryptBase64(aesKey));
+      config.headers[encryptHeader] = encrypt(encryptBase64(aesKey));
       config.data = typeof config.data === 'object' ? encryptWithAes(JSON.stringify(config.data), aesKey) : encryptWithAes(config.data, aesKey);
     }
     // FormData数据去请求头Content-Type
@@ -96,6 +97,20 @@ service.interceptors.request.use(
 // 响应拦截器
 service.interceptors.response.use(
   (res: AxiosResponse) => {
+    // 加密后的 AES 秘钥
+    const keyStr = res.headers[encryptHeader];
+    // 加密
+    if (keyStr != null && keyStr != '') {
+      const data = res.data;
+      // 请求体 AES 解密
+      const base64Str = decrypt(keyStr);
+      // base64 解码 得到请求头的 AES 秘钥
+      const aesKey = decryptBase64(base64Str.toString());
+      // aesKey 解码 data
+      const decryptData = decryptWithAes(data, aesKey);
+      // 将结果 (得到的是 JSON 字符串) 转为 JSON
+      res.data = JSON.parse(decryptData);
+    }
     // 未设置状态码则默认成功状态
     const code = res.data.code || HttpStatus.SUCCESS;
     // 获取错误信息