cookie-string-parser
v1.2.1
Published
This NPM package provides a simple cookie parser middleware and function to parse cookie strings for Express.js applications.It can also used in tokenized value using JWT and extract the value from that token.
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cookie-string-parser
This NPM package provides a simple cookie parser middleware and function to parse cookie strings for Express.js applications.It can also used in tokenized value using JWT and extract the value from that token.
Installation
Install package with npm
npm install cookie-string-parser
Usage/Examples
javascript
cookieParser-middleware
const express=require("express");
const {cookieParser}=require("cookie-string-parser");
const PORT=process.env.PORT;
const app=express();
app.use(cookieParser);
app.get("/",(req,res)=>{
console.log(req.cookies); // it will give key-value pair of cookies
return res.status(200).send(req.cookies);
})
app.listen(PORT,()=>{
console.log("staring...");
})
OR
parseCookieString-parse cookie string
const express=require("express");
const {parseCookieString}=require("cookie-string-parser");
const PORT=process.env.PORT;
const app=express();
app.get("/",(req,res)=>{
let cookieObj=parseCookieString(req.headers.cookies);
console.log(cookieObj); // it will give key-value pair of cookies
return res.status(200).send(cookieObj);
})
app.listen(PORT,()=>{
console.log("staring...");
})
setToken_getValue JWT
const express=require("express");
const {create_JWTtoken,verify_JWTtoken}=require("cookie-string-parser");
const PORT=process.env.PORT;
const app=express();
app.use(express.json());
app.post('/setCookie',(req,res)=>{
const {username,email}=req.body;
const token= create_JWTtoken([username,email],process.env.secret,{algorithm:'HS256'}); // note algorithm is optional. Default it is HS256.
res.cookie('jwt',token);
return res.status(200).send('cookie set');
})
app.get('/getCookie_value',(req,res)=>{
const token=req.cookies.jwt;
const value=verify_JWTtoken(token,process.env.secret,{algorithm:'HS256'}); // note algorithm is optional. Default it is HS256.);
const username=value[0];
const username_email=value[1];
return res.status(200).send({username,username_email});
})
app.listen(PORT,()=>{
console.log("staring...");
})
typescript
cookieParser-middleware
import express, { Application, Request, Response, NextFunction } from 'express';
import { cookieParser } from 'cookie-string-parser';
const app: Application = express();
app.use(cookieParser);
app.get('/', (req: Request, res: Response)=> {
console.log(req.cookies); // it will give key-value pair of cookies
return res.status(200).send(req.cookies);
});
app.listen(PORT,()=>{
console.log("staring...");
});
OR
parseCookieString-parse cookie string
import express, { Application, Request, Response, NextFunction } from 'express';
import { parseCookieString } from 'cookie-string-parser';
const app: Application = express();
app.get("/", (req: Request, res: Response) =>{
let cookieObj=parseCookieString(req.headers.cookie);
console.log(cookieObj); // it will give key-value pair of cookies
return res.status(200).send(cookieObj);
});
app.listen(PORT,()=>{
console.log("staring...");
});
setToken_getValue JWT
import express, { Request, Response } from "express";
import { create_JWTtoken, verify_JWTtoken } from "cookie-string-parser";
PORT=process.env.PORT;
const app = express();
app.use(express.json());
app.post('/setCookie', (req: Request, res: Response) => {
const { username, email } = req.body;
const token = create_JWTtoken([username, email], process.env.secret as string, { algorithm: 'HS256' });
res.cookie('jwt', token);
return res.status(200).send('cookie set');
});
app.get('/getCookie_value', (req: Request, res: Response) => {
const token = req.cookies.jwt;
const value = verify_JWTtoken(token, process.env.secret as string, { algorithm: 'HS256' });
const username = value[0];
const email = value[1];
return res.status(200).send({ username, email });
});
app.listen(PORT, () => {
console.log("starting...");
});
Build
npm run build