MPA Authentication — Session-Based Auth, CSRF, and Security Best Practices

In this tutorial, you will learn about MPA Authentication. We cover key concepts, practical examples, and best practices to help you master this topic.

MPA authentication typically uses server-side sessions with cookie-based tokens. CSRF protection is essential.

app.post('/login', (req, res) => {
  // Validate credentials
  req.session.user = { id: 1, name: 'Alice' };
  res.redirect('/dashboard');
});

// CSRF protection
app.use(csurf());
// In form: <input type="hidden" name="_csrf" value="{csrfToken}">