Files
airclientauth/index.js
T
2026-06-07 21:17:07 +02:00

126 lines
4.1 KiB
JavaScript

const express = require('express');
const bcrypt = require('bcryptjs');
const jwt = require('jsonwebtoken');
const sqlite3 = require('sqlite3');
const { open } = require('sqlite');
const JWT_SECRET = 'super-secret-key-change-me';
const DB_FILE = './users.db';
async function initDb() {
const db = await open({
filename: DB_FILE,
driver: sqlite3.Database
});
await db.exec(`
CREATE TABLE IF NOT EXISTS users (
username TEXT PRIMARY KEY,
passwordHash TEXT
)
`);
return db;
}
(async () => {
const db = await initDb();
if (process.argv.length > 2) {
const command = process.argv[2];
if (command === 'create') {
const username = process.argv[3];
if (!username) {
console.error('Please provide a username: npm run airclientauth -- create <user>');
process.exit(1);
}
const user = await db.get('SELECT * FROM users WHERE username = ?', [username]);
if (user) {
console.error('User already exists.');
process.exit(1);
}
await db.run('INSERT INTO users (username, passwordHash) VALUES (?, ?)', [username, null]);
console.log(`User '${username}' created successfully.`);
console.log(`Waiting for first login to set the password.`);
process.exit(0);
} else {
console.error('Unknown command. Available commands: create <user>');
process.exit(1);
}
}
const app = express();
app.use(express.json());
app.post('/login', async (req, res) => {
const { username, password } = req.body;
if (!username) {
return res.status(400).json({ error: 'Username is required' });
}
const user = await db.get('SELECT * FROM users WHERE username = ?', [username]);
if (!user) {
return res.status(404).json({ error: 'User not found' });
}
if (!user.passwordHash) {
if (password) {
const salt = await bcrypt.genSalt(10);
const hash = await bcrypt.hash(password, salt);
await db.run('UPDATE users SET passwordHash = ? WHERE username = ?', [hash, username]);
const token = jwt.sign({ username }, JWT_SECRET, { expiresIn: '1h' });
return res.json({
status: 'success',
message: 'Password set successfully. Logged in.',
token
});
} else {
return res.status(403).json({
status: 'require_password',
message: 'First login requires setting a password.'
});
}
} else {
if (!password) {
return res.status(400).json({ error: 'Password is required' });
}
const isMatch = await bcrypt.compare(password, user.passwordHash);
if (!isMatch) {
return res.status(401).json({ error: 'Invalid password' });
}
const token = jwt.sign({ username }, JWT_SECRET, { expiresIn: '1h' });
return res.json({
status: 'success',
message: 'Logged in successfully',
token
});
}
});
app.get('/verify', (req, res) => {
const authHeader = req.headers.authorization;
if (!authHeader || !authHeader.startsWith('Bearer ')) {
return res.status(401).json({ valid: false, error: 'No token provided' });
}
const token = authHeader.split(' ')[1];
try {
const decoded = jwt.verify(token, JWT_SECRET);
return res.json({ valid: true, user: decoded.username });
} catch (err) {
return res.status(401).json({ valid: false, error: 'Invalid or expired token' });
}
});
const PORT = process.env.PORT || 3001;
app.listen(PORT, () => {
console.log(`Server running on port ${PORT}`);
});
})();