How can I implement token authentication in my app?

How can I implement token authentication in my app?

To implement token authentication, you can use JWT (JSON Web Tokens). First, set up your server to issue tokens upon user login.

What libraries or frameworks should I use for this?

You can use libraries like 'jsonwebtoken' for Node.js or 'Django REST framework' for Python. They simplify token handling.

How do I secure the tokens?

Store tokens securely on the client side, use HTTPS for transmission, and set expiration times to enhance security.

Can you give me an example of a token generation function?

Sure! Here's a simple example in Node.js:

const jwt = require('jsonwebtoken');

function generateToken(user) {
    return jwt.sign({ id: user.id }, 'your_secret_key', { expiresIn: '1h' });
}