Files

50 lines
1.7 KiB
PHP
Executable File

<?php
session_start();
require_once 'db.php';
require_once 'activity_logger.php';
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
// CSRF token validation
if (!isset($_POST['csrf_token']) || !isset($_SESSION['csrf_token']) || $_POST['csrf_token'] !== $_SESSION['csrf_token']) {
header('Location: ../login.php?error=csrf_error');
exit();
}
// Unset the token so it can't be used again
// unset($_SESSION['csrf_token']); // Keep token for re-attempts on failed login
if (!isset($_POST['username']) || !isset($_POST['password'])) {
header('Location: ../login.php?error=missing_fields');
exit();
}
$username = $_POST['username'];
$password = $_POST['password'];
try {
$stmt = $pdo->prepare("SELECT * FROM users WHERE username = ?");
$stmt->execute([$username]);
$user = $stmt->fetch();
if ($user && password_verify($password, $user['password'])) {
$_SESSION['user_id'] = $user['id'];
$_SESSION['username'] = $user['username'];
$_SESSION['role'] = $user['role'];
session_regenerate_id(true);
log_activity($user['id'], 'User Login', 'User ' . $user['username'] . ' logged in.');
session_write_close();
header('Location: ../index.php');
exit();
} else {
header('Location: ../login.php?error=invalid_credentials');
exit();
}
} catch (PDOException $e) {
// Log the error instead of showing it to the user
error_log('Authentication error: ' . $e->getMessage());
header('Location: ../login.php?error=db_error');
exit();
}
}
?>