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加密：接口加密解密

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This commit is contained in:
luying
2022-06-16 19:14:05 +08:00
parent 144f3ed0b0
commit 469e393f5e
18 changed files with 833 additions and 162 deletions
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59
web-server/app/middleware/parmsDecode.ts
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@@ -1,34 +1,6 @@
import { ENCRYPT_KEY, ENCRYPT_IV } from '@consts';
import { genCode } from 'app/pubUtils/util';
import { MsgEncrypt } from "app/pubUtils/sysUtil";
import { Context } from 'egg';
const crypto = require('crypto');
const isJSON = require('koa-is-json');
import fs = require('fs');
import path = require('path');
const privateKey = fs.readFileSync(path.resolve(__dirname, `../resource/privateKey`));
function aesEncrypt(data, key, iv) {
const cipher = crypto.createCipheriv('aes-192-cbc', key, iv);
let crypted = cipher.update(data, 'utf8', 'hex');
crypted += cipher.final('hex');
return crypted;
}
function aesDecrypt(data, key, iv) {
const decipher = crypto.createDecipheriv('aes-192-cbc', key, iv);
let decrypted = decipher.update(data, 'hex', 'utf8');
decrypted += decipher.final('utf8');
return decrypted;
}
function privateDecrypt(encryptMsg) {
const decryptMsg = crypto.privateDecrypt(
{ key: privateKey, padding: crypto.constants.RSA_PKCS1_PADDING },
encryptMsg
);
return decryptMsg;
}
module.exports = options => {
return async function parmsDecode(ctx: Context, next) {
@@ -42,16 +14,7 @@ module.exports = options => {
}
if (options.threshold && ctx.length < options.threshold) return;
const reqBody = ctx.request.body;
const reqHeader = ctx.request.header;
const aesKey = reqHeader['k'] ? privateDecrypt(new Buffer(reqHeader['k'], 'base64')) : ENCRYPT_KEY;
const aesIV = reqHeader['v'] ? privateDecrypt(new Buffer(reqHeader['v'], 'base64')) : ENCRYPT_IV;
if (isJSON(reqBody)) {
const encodeStr = aesEncrypt(JSON.stringify(reqBody), aesKey, aesIV);
console.log(`encoded str: ${encodeStr}`);
}
console.log(ctx.app.config.decodeParm)
if(ctx.app.config.decodeParm == false) {
@@ -59,13 +22,18 @@ module.exports = options => {
return;
}
if (!reqBody.data) return;
const decodeStr = aesDecrypt(reqBody.data, aesKey, aesIV);
ctx.logger.debug('decoded str:', decodeStr);
let msgEncrypt = new MsgEncrypt({ encodeK: reqHeader['k'], encodeV: reqHeader['v'] });
const { aesKey, aesIV } = msgEncrypt.getKv();
console.log(`encode str ${msgEncrypt.encryptMsg(reqBody)}`);
try {
ctx.request.body = JSON.parse(decodeStr);
let decryptResult = msgEncrypt.decryptMsg(reqBody.data);
if(!decryptResult) throw new Error('params parse err');
ctx.request.body = decryptResult;
console.log('req body', ctx.request.body);
ctx.service.utils.log('INFO', `[${ctx.request.url}] [${ctx.logcode}] request: ${JSON.stringify(ctx.request.body)}`)
} catch (e) {
@@ -82,11 +50,12 @@ module.exports = options => {
}
const resBody = ctx.body;
console.log('return value:', JSON.stringify(resBody));
if (isJSON(resBody)) {
ctx.body = { result: aesEncrypt(JSON.stringify(resBody), aesKey, aesIV) };
let resBodyWithEncrypt = msgEncrypt.encryptMsg(resBody);
if (resBodyWithEncrypt) {
ctx.body = { result: resBodyWithEncrypt, aesKey, aesIV };
ctx.service.utils.log('INFO', `[${ctx.request.url}] [${ctx.logcode}] res: ${JSON.stringify(resBody)}`)
} else {
ctx.body = { result: aesEncrypt(JSON.stringify({ status: 3, data: 'internal err' }), aesKey, aesIV) };
ctx.body = { result: msgEncrypt.encryptMsg({ status: 3, data: 'internal err' }), aesKey, aesIV };
ctx.service.utils.log('ERROR', `[${ctx.request.url}] [${ctx.logcode}] res: ${resBody}`)
}
};