Files
domili/login.php

80 lines
3.2 KiB
PHP
Executable File

<?php
session_start();
include('inc/db.php');
$error = '';
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$username = $_POST['username'];
$password = $_POST['password'];
$stmt = mysqli_prepare($conn, "SELECT id, username, password, email, role FROM users WHERE username = ?");
if ($stmt) {
mysqli_stmt_bind_param($stmt, "s", $username);
mysqli_stmt_execute($stmt);
$result = mysqli_stmt_get_result($stmt);
$user = mysqli_fetch_assoc($result);
mysqli_stmt_close($stmt);
if ($user && isset($user['role']) && password_verify($password, $user['password'])) {
// Authentifizierung erfolgreich, Session-Variablen setzen
$_SESSION['user_id'] = $user['id'];
$_SESSION['username'] = $username;
$_SESSION['email'] = $user['email'];
$_SESSION['role'] = $user['role'];
// Neuen Login-Token für die geräteübergreifende Anmeldung erstellen
$token = bin2hex(random_bytes(32));
$expires_at = date('Y-m-d H:i:s', strtotime('+30 days'));
// Token in der neuen `login_tokens` Tabelle speichern
$sql_token = "INSERT INTO login_tokens (user_id, token, expires_at) VALUES (?, ?, ?)";
$stmt_token = mysqli_prepare($conn, $sql_token);
mysqli_stmt_bind_param($stmt_token, "iss", $user['id'], $token, $expires_at);
mysqli_stmt_execute($stmt_token);
mysqli_stmt_close($stmt_token);
// Cookie mit dem Token setzen
setcookie('remember_token', $token, time() + (86400 * 30), "/");
header("Location: index.php");
exit();
} else {
$error = "Login fehlgeschlagen.";
}
} else {
$error = "Datenbankfehler.";
}
}
require_once 'inc/public_header.php';
?>
<div class="container d-flex justify-content-center align-items-start py-4 pt-5">
<div class="card bg-light shadow w-100" style="max-width: 400px;">
<div class="card-body">
<h4 class="card-title text-center mb-4 fs-3">DoMiLi Login</h4>
<?php if ($error) { ?>
<div class="alert alert-danger" role="alert">
<?php echo $error; ?>
</div>
<?php } ?>
<form method="post" action="">
<div class="mb-3">
<label for="username" class="form-label">Benutzername</label>
<input type="text" class="form-control form-control-lg" id="username" name="username" required autofocus>
</div>
<div class="mb-3">
<label for="password" class="form-label">Passwort</label>
<input type="password" class="form-control form-control-lg" id="password" name="password" required>
</div>
<div class="d-grid">
<button type="submit" class="btn btn-primary btn-lg">Einloggen</button>
</div>
<div class="text-center mt-3">
<a href="forgot_password.php" class="text-decoration-none">Passwort vergessen?</a>
</div>
</form>
</div>
</div>
</div>
<?php include('inc/footer.php'); ?>