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<?php
declare(strict_types=1);
// Profile management: lets the logged-in user change username, email, password,
// and notification preferences.
namespace App\Controllers;
use App\Csrf;
use App\Flash;
use App\Mail;
use App\Models\User;
class ProfileController
{
private User $user;
public function __construct()
{
$this->user = new User();
}
public function show(): void
{
if (!isset($_SESSION['user_id'])) {
header('Location: /login');
return;
}
$user = $this->user->findById($_SESSION['user_id']);
$content = __DIR__ . '/../Views/profile/edit.php';
include __DIR__ . '/../Views/layouts/main.php';
}
public function updateUsername(): void
{
if (!isset($_SESSION['user_id'])) {
header('Location: /login');
return;
}
if (!Csrf::validate($_POST['csrf_token'] ?? '')) {
Flash::set('error', 'Invalid CSRF token.');
header('Location: /profile');
return;
}
$username = trim($_POST['username'] ?? '');
if (!preg_match('/^[a-zA-Z0-9_]{3,20}$/', $username)) {
Flash::set('error', 'Username must be 3-20 characters (letters, numbers, underscores).');
header('Location: /profile');
return;
}
$existing = $this->user->findByUsername($username);
if ($existing && $existing['id'] !== $_SESSION['user_id']) {
Flash::set('error', 'Username is already taken.');
header('Location: /profile');
return;
}
$this->user->updateUsername($_SESSION['user_id'], $username);
// Keep the session in sync so the nav bar shows the new name
$_SESSION['username'] = $username;
Flash::set('success', 'Username updated.');
header('Location: /profile');
}
public function updateEmail(): void
{
if (!isset($_SESSION['user_id'])) {
header('Location: /login');
return;
}
if (!Csrf::validate($_POST['csrf_token'] ?? '')) {
Flash::set('error', 'Invalid CSRF token.');
header('Location: /profile');
return;
}
$email = trim($_POST['email'] ?? '');
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
Flash::set('error', 'Invalid email address.');
header('Location: /profile');
return;
}
$existing = $this->user->findByEmail($email);
if ($existing && $existing['id'] !== $_SESSION['user_id']) {
Flash::set('error', 'Email is already registered.');
header('Location: /profile');
return;
}
// Changing email requires re-verification: the user must confirm
// they own the new address before they can log in again
$token = $this->user->updateEmail($_SESSION['user_id'], $email);
Mail::sendVerification($email, $token);
// Log the user out so they must re-verify
session_destroy();
// Start a fresh session for the flash message
session_start();
Flash::set('success', 'Email updated. Check your new email to re-verify your account.');
header('Location: /login');
}
public function updatePassword(): void
{
if (!isset($_SESSION['user_id'])) {
header('Location: /login');
return;
}
if (!Csrf::validate($_POST['csrf_token'] ?? '')) {
Flash::set('error', 'Invalid CSRF token.');
header('Location: /profile');
return;
}
$currentPassword = $_POST['current_password'] ?? '';
$newPassword = $_POST['new_password'] ?? '';
$confirmPassword = $_POST['new_password_confirm'] ?? '';
$user = $this->user->findById($_SESSION['user_id']);
// Verify the current password so an attacker who steals a session
// can't silently change the password
if (!password_verify($currentPassword, $user['password_hash'])) {
Flash::set('error', 'Current password is incorrect.');
header('Location: /profile');
return;
}
if (\strlen($newPassword) < 8) {
Flash::set('error', 'New password must be at least 8 characters.');
header('Location: /profile');
return;
}
if ($newPassword !== $confirmPassword) {
Flash::set('error', 'New passwords do not match.');
header('Location: /profile');
return;
}
$this->user->updatePassword($user['id'], $newPassword);
Flash::set('success', 'Password updated.');
header('Location: /profile');
}
public function updateNotifications(): void
{
if (!isset($_SESSION['user_id'])) {
header('Location: /login');
return;
}
if (!Csrf::validate($_POST['csrf_token'] ?? '')) {
Flash::set('error', 'Invalid CSRF token.');
header('Location: /profile');
return;
}
// Checkbox value: present in POST when checked, absent when unchecked
$notify = isset($_POST['notify_comments']);
$this->user->updateNotifyComments($_SESSION['user_id'], $notify);
Flash::set('success', 'Notification preferences updated.');
header('Location: /profile');
}
}
|
