mongodb cookie

First,install cookie-parser middleware

npm install cookie-parser

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and then

var cookieParser = require("cookie-parser");

app.use(cookieParser());

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next

app.get("/setcookie",function(req,res){
    res.cookie('name1','setcookie')
})

app.get("/getcookie",function(req,res){
    console.log(req.cookies);
})

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you can set siged(签名)

var cookieParams ={
    maxAge:3600000,
    signed:true
};
app.use(cookieParser("djhskajhdskjahdjsa"));
app.get("/setcookie",function(req,res){
    res.cookie('name1','setcookie',cookieParams);
})

use encrypted

npm install cookie-encrypter

var cookieEncrypter = require("cookie-encrypter");
const secretKey ="adsadsjadssdaadsdasajdksjadsadsa" //must be 32bit (with aes256)

app.use(cookieParser(secretKey));
app.use(cookieEncrypter(secretKey));

app.get("/setcookie",function(req,res){
	res.cookie('name1','setcookie',cookieParams);
	res.cookie('age1',{mydata:'is encrypted'},cookieParams)
	res.cookie('plaincookie','mytest',cookieParams);
	res.cookie('plaincookie2',{mydata:'is encrypted'},cookieParams)
	res.json({code:0});
})

app.get("/getcookie",function(req,res){
	// var name=req.cookie.name;
	// var age = req.cookie.age;
	// res.json({"name":name,"age":age});
	console.log(req.cookies);
	console.log(req.signedCookies)
	res.json({code:0})
})

---

you can get value

console.log(req.cookies);
console.log(signedCookies);

---

clear cookie

app.get("/clearcookie",function(req,res){
	res.clearCookie("age1");
	res.json({code:0});
})

Reference:
https://github.com/ebourmalo/cookie-encrypter