Improve account validation and feedback

This commit is contained in:
2026-08-09 02:38:16 +02:00
parent 3d48595ee9
commit f09fdfa25e
3 changed files with 185 additions and 26 deletions
+99 -20
View File
@@ -4,58 +4,107 @@ class AuthController
{
public function showLogin(): void
{
View::render('auth/login');
View::render('auth/login', [
'values' => ['email' => ''],
'errors' => [],
]);
}
public function login(): void
{
verify_csrf_token();
$email = trim($_POST['email'] ?? '');
$password = $_POST['password'] ?? '';
$email = $this->postString('email');
$password = $this->postPassword();
$errors = [];
if (!filter_var($email, FILTER_VALIDATE_EMAIL) || $password === '') {
flash('error', 'Bitte gib eine gueltige E-Mail und dein Passwort ein.');
redirect('login');
if (!filter_var($email, FILTER_VALIDATE_EMAIL) || mb_strlen($email) > 190) {
$errors['email'] = 'Bitte gib eine gueltige E-Mail-Adresse ein.';
}
$user = User::findByEmail($email);
if ($password === '') {
$errors['password'] = 'Bitte gib dein Passwort ein.';
}
if (!empty($errors)) {
$this->renderLogin($email, $errors);
return;
}
try {
$user = User::findByEmail($email);
} catch (PDOException $exception) {
$this->renderLogin($email, ['form' => 'Die Anmeldung ist gerade nicht verfuegbar. Bitte versuche es spaeter erneut.']);
return;
}
if (!$user || !password_verify($password, $user['password_hash'])) {
flash('error', 'E-Mail oder Passwort ist nicht korrekt.');
redirect('login');
$this->renderLogin($email, ['form' => 'E-Mail oder Passwort ist nicht korrekt.']);
return;
}
session_regenerate_id(true);
$_SESSION['user_id'] = (int) $user['id'];
$_SESSION['user_name'] = $user['name'];
unset($_SESSION['csrf_token']);
redirect('dashboard');
}
public function showRegister(): void
{
View::render('auth/register');
View::render('auth/register', [
'values' => ['name' => '', 'email' => ''],
'errors' => [],
]);
}
public function register(): void
{
verify_csrf_token();
$name = trim($_POST['name'] ?? '');
$email = trim($_POST['email'] ?? '');
$password = $_POST['password'] ?? '';
$name = $this->postString('name');
$email = $this->postString('email');
$password = $this->postPassword();
$errors = [];
if ($name === '' || !filter_var($email, FILTER_VALIDATE_EMAIL) || strlen($password) < 8) {
flash('error', 'Bitte Name, gueltige E-Mail und ein Passwort mit mindestens 8 Zeichen eingeben.');
redirect('register');
if ($name === '') {
$errors['name'] = 'Bitte gib deinen Namen ein.';
} elseif (mb_strlen($name) > 100) {
$errors['name'] = 'Der Name darf maximal 100 Zeichen lang sein.';
}
if (User::findByEmail($email)) {
flash('error', 'Diese E-Mail ist bereits registriert.');
redirect('register');
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
$errors['email'] = 'Bitte gib eine gueltige E-Mail-Adresse ein.';
} elseif (mb_strlen($email) > 190) {
$errors['email'] = 'Die E-Mail-Adresse darf maximal 190 Zeichen lang sein.';
}
if (strlen($password) < 8) {
$errors['password'] = 'Das Passwort muss mindestens 8 Zeichen lang sein.';
}
if (!empty($errors)) {
$this->renderRegister($name, $email, $errors);
return;
}
try {
if (User::findByEmail($email)) {
$this->renderRegister($name, $email, ['email' => 'Diese E-Mail ist bereits registriert.']);
return;
}
$created = User::create($name, $email, $password);
} catch (PDOException $exception) {
$this->renderRegister($name, $email, ['form' => 'Das Konto konnte nicht erstellt werden. Bitte versuche es spaeter erneut.']);
return;
}
if (!$created) {
$this->renderRegister($name, $email, ['form' => 'Das Konto konnte nicht erstellt werden. Bitte versuche es spaeter erneut.']);
return;
}
User::create($name, $email, $password);
flash('success', 'Registrierung erfolgreich. Du kannst dich jetzt anmelden.');
redirect('login');
}
@@ -72,4 +121,34 @@ class AuthController
session_destroy();
redirect('login');
}
private function renderLogin(string $email, array $errors): void
{
View::render('auth/login', [
'values' => ['email' => $email],
'errors' => $errors,
]);
}
private function renderRegister(string $name, string $email, array $errors): void
{
View::render('auth/register', [
'values' => ['name' => $name, 'email' => $email],
'errors' => $errors,
]);
}
private function postString(string $key): string
{
$value = $_POST[$key] ?? '';
return is_string($value) ? trim($value) : '';
}
private function postPassword(): string
{
$value = $_POST['password'] ?? '';
return is_string($value) ? $value : '';
}
}