What is the best way to encrypt the JWT decode token payload using Angular 8 on the client-side?

Currently, I am utilizing angular2-jwt to handle the code following an http.get request. In order to properly send an http post request, I must encode the body.

let body = {
 "sub": "1234567890",
 "name": "John Doe",
 "iat": 1516239022
};

this.http.post(url, body, { headers: headers }).subscribe(res => {
       resolve(res);
     }, (err) => {
       resolve(err);
});

Answer №1

Why are you utilizing the resolve function in this scenario? The variable res will hold the data that has been received.

this.http.post(url, body, { headers: headers }).subscribe(res => {
       console.log(res)//the data is stored in 'res'
     }, (err) => {
       resolve(err);
});

Answer №2

The encryption of JWT should never be done on the client side, as it requires a secret key that must remain confidential. It is essential to avoid exposing this key to unauthorized parties.

When decoding a JWT, it is necessary to have the original encoded token available and send it back to the server for verification instead of transmitting the decoded information directly.

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