db.get('SELECT * FROM users WHERE username = ?', [username], (err, row) => {
if (err) {
console.error(err);
return res.status(500).send('Error logging in');
}
if (!row) {
return res.status(401).send('Invalid username or password');
}
if (row.password !== password) {
return res.status(401).send('Invalid username or password');
}
// Generate a session token or JWT and send it back to the client
const token = generateToken(row.id);
res.json({ token });
});
});
function generateToken(userId) {
// Implement your token generation logic here
// For example, using a library like jsonwebtoken
return your-generated-token-${userId};
}
const sqlite3 = require('sqlite3').verbose(); const db = new sqlite3.Database('users.db');
app.post('/login', (req, res) => { const { username, password } = req.body;
db.get('SELECT * FROM users WHERE username = ?', [username], (err, row) => { if (err) { console.error(err); return res.status(500).send('Error logging in'); }
}); });
function generateToken(userId) { // Implement your token generation logic here // For example, using a library like jsonwebtoken return
your-generated-token-${userId}; }