DeveloperBreeze

JWT Token Creation and Verification in Node.js using 'jsonwebtoken'

// Import 'jsonwebtoken' module
const jwt = require('jsonwebtoken');

// Secret key for signing and verifying JWT tokens
const secret = 'mysecretkey';

// Create a JWT token with a payload and set expiration to 1 hour
const payload = { user_id: 123, username: 'john_doe' };
const token = jwt.sign(payload, secret, { expiresIn: '1h' });

// Verify a JWT token
try {
    const decoded = jwt.verify(token, secret);
    console.log(decoded);
} catch (error) {
    console.error('Token verification failed.');
}

Related Posts

More content you might like

Tutorial

Build a Custom Rate Limiter in Node.js with Redis

{
  "error": "Too many requests. Try later."
}

Instead of IP address, use API keys for user-specific limits:

Apr 04, 2025
Read More
Tutorial
javascript css +1

Building a Real-Time Chat Application with WebSockets in Node.js

const socket = io();

const messageForm = document.getElementById('chat-form');
const messageInput = document.getElementById('message');
const messagesList = document.getElementById('messages');

messageForm.addEventListener('submit', (e) => {
    e.preventDefault();
    const message = messageInput.value;
    socket.emit('chatMessage', message);
    messageInput.value = '';
});

socket.on('chatMessage', (message) => {
    const li = document.createElement('li');
    li.textContent = message;
    messagesList.appendChild(li);
});
node server.js

Aug 03, 2024
Read More
Code
javascript

Simple HTTP Server in Node.js

// Import 'http' module
const http = require('http');

// Create a simple HTTP server
const server = http.createServer((req, res) => {
  res.end('Hello, Node.js!');
});

// Start the server and listen on port 3000
server.listen(3000, () => {
  console.log('Server is listening on port 3000');
});

Jan 26, 2024
Read More
Code
javascript

Read and Write Files in Node.js using 'fs' module

No preview available for this content.

Jan 26, 2024
Read More

Discussion 0

Please sign in to join the discussion.

No comments yet. Be the first to share your thoughts!