06/10 node.js express를 사용한 rest api 연습

npm init -y

npm i express uuid nodemon

 

visual studio code

코드 정리 툴

prettier

파일 > 기본설정 > 설정

save검색

Formate On Save 체크설정

 

라우터

const userRouter = require("./routes/users");

app.use('/users', userRouter);

 

서버 할일

id를 생성

객체로 만들어서 배열에 추가

password 암호화 할수 있음 하기

npm crypto검색

jwttoken

 

응답시

status 200

오류시 500

 

app.js

const express = require("express");
const userRouter = require("./routes/users");
const app = express();
const port = 3000;

app.use(express.json());
app.use('/users', userRouter);

app.listen(port, () => {});

users.js

const express = require("express");
const router = express.Router();
const { v4: uuidv4 } = require("uuid");
const CryptoJS = require("crypto-js");

let users = [];

router.get("/all", (req, res, next) => {
  res.send({status : 200, result : users});
});

router.get("/:id", (req, res, next) => {
  const id = req.params.id;
  let user = users.find(x => x.id === id);
  let result = {
    status: 200,
    user,
  };
  if (user === undefined) {
    result.status = 500;
  }
  res.send(result);
});

router.post("/", (req, res, next) => {
  let user = req.body;
  let ciphertext = CryptoJS.AES.encrypt(req.body.password, 'secret key 123').toString();
  user.password = ciphertext;
  const uuid = uuidv4();
  user.id = uuid;
  users.push(user);
  console.log(users);

  let result = {
    status: 200,
  };

  res.send(result);
});

router.post("/auth", (req, res, next) => {
    let user = req.body;
    let result = {
        status: 500,
      };
    let userFind = users.find(x => x.id === user.id);
    if(user != undefined)
    {
        var bytes  = CryptoJS.AES.decrypt(userFind.password, 'secret key 123');
        var originalText = bytes.toString(CryptoJS.enc.Utf8);
        console.log(originalText);
        console.log(user.password);
        if(originalText == req.body.password){
            result.status = 200;
        }
    }
    
  res.send(result);
});

router.delete("/", (req, res) => {
    let user = req.body;
    let result = {
        status: 500,
      };
    let userFind = users.find(x => x.id === user.id);
    if(user != undefined)
    {
        var bytes  = CryptoJS.AES.decrypt(userFind.password, 'secret key 123');
        var originalText = bytes.toString(CryptoJS.enc.Utf8);
        if(originalText == req.body.password){
            let target = users.indexOf(userFind);
            users.splice(target);
            result.status = 200;
        }
    }
    
  res.send(result);
});

router.patch("/", (req, res) => {
    let user = req.body;
    let result = {
        status: 500,
      };
    let userFind = users.find(x => x.id === user.id);
    if(userFind != undefined)
    {
        var bytes  = CryptoJS.AES.decrypt(userFind.password, 'secret key 123');
        var originalText = bytes.toString(CryptoJS.enc.Utf8);
        if(originalText == req.body.password){
            userFind.nickname = user.nickname;
            result.status = 200;
        }
    }
  res.send(result);
});

module.exports = router;