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import { Request, Response } from 'express';
import jwt from 'jsonwebtoken';
import { validationResult } from 'express-validator';
import { findUserByUsername, verifyPassword, createUser, updateUserPassword } from '../models/User.js';
// Default secret key - in production, use an environment variable
const JWT_SECRET = process.env.JWT_SECRET || 'your-secret-key-change-this';
const TOKEN_EXPIRY = '24h';
// Login user
export const login = async (req: Request, res: Response): Promise<void> => {
// Validate request
const errors = validationResult(req);
if (!errors.isEmpty()) {
res.status(400).json({ success: false, errors: errors.array() });
return;
}
const { username, password } = req.body;
try {
// Find user by username
const user = findUserByUsername(username);
if (!user) {
res.status(401).json({ success: false, message: 'Invalid credentials' });
return;
}
// Verify password
const isPasswordValid = await verifyPassword(password, user.password);
if (!isPasswordValid) {
res.status(401).json({ success: false, message: 'Invalid credentials' });
return;
}
// Generate JWT token
const payload = {
user: {
username: user.username,
isAdmin: user.isAdmin || false
}
};
jwt.sign(
payload,
JWT_SECRET,
{ expiresIn: TOKEN_EXPIRY },
(err, token) => {
if (err) throw err;
res.json({
success: true,
token,
user: {
username: user.username,
isAdmin: user.isAdmin
}
});
}
);
} catch (error) {
console.error('Login error:', error);
res.status(500).json({ success: false, message: 'Server error' });
}
};
// Register new user
export const register = async (req: Request, res: Response): Promise<void> => {
// Validate request
const errors = validationResult(req);
if (!errors.isEmpty()) {
res.status(400).json({ success: false, errors: errors.array() });
return;
}
const { username, password, isAdmin } = req.body;
try {
// Create new user
const newUser = await createUser({ username, password, isAdmin });
if (!newUser) {
res.status(400).json({ success: false, message: 'User already exists' });
return;
}
// Generate JWT token
const payload = {
user: {
username: newUser.username,
isAdmin: newUser.isAdmin || false
}
};
jwt.sign(
payload,
JWT_SECRET,
{ expiresIn: TOKEN_EXPIRY },
(err, token) => {
if (err) throw err;
res.json({
success: true,
token,
user: {
username: newUser.username,
isAdmin: newUser.isAdmin
}
});
}
);
} catch (error) {
console.error('Registration error:', error);
res.status(500).json({ success: false, message: 'Server error' });
}
};
// Get current user
export const getCurrentUser = (req: Request, res: Response): void => {
try {
// User is already attached to request by auth middleware
const user = (req as any).user;
res.json({
success: true,
user: {
username: user.username,
isAdmin: user.isAdmin
}
});
} catch (error) {
console.error('Get current user error:', error);
res.status(500).json({ success: false, message: 'Server error' });
}
};
// Change password
export const changePassword = async (req: Request, res: Response): Promise<void> => {
// Validate request
const errors = validationResult(req);
if (!errors.isEmpty()) {
res.status(400).json({ success: false, errors: errors.array() });
return;
}
const { currentPassword, newPassword } = req.body;
const username = (req as any).user.username;
try {
// Find user by username
const user = findUserByUsername(username);
if (!user) {
res.status(404).json({ success: false, message: 'User not found' });
return;
}
// Verify current password
const isPasswordValid = await verifyPassword(currentPassword, user.password);
if (!isPasswordValid) {
res.status(401).json({ success: false, message: 'Current password is incorrect' });
return;
}
// Update the password
const updated = await updateUserPassword(username, newPassword);
if (!updated) {
res.status(500).json({ success: false, message: 'Failed to update password' });
return;
}
res.json({ success: true, message: 'Password updated successfully' });
} catch (error) {
console.error('Change password error:', error);
res.status(500).json({ success: false, message: 'Server error' });
}
}; |