ba121d60e6
- Recovery-/Backup-Codes (8x, einmalig nutzbar) bei Aktivierung + Regenerieren; Login akzeptiert TOTP ODER Recovery-Code - Setting enforce_2fa_admins: Admins ohne 2FA werden zur Einrichtung geleitet - Admin kann 2FA eines Nutzers zurücksetzen (admin/users.php) - Schema 0003 (users.totp_backup_codes); security.php zeigt Codes & Restanzahl
173 lines
8.7 KiB
PHP
173 lines
8.7 KiB
PHP
<?php
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error_reporting(E_ALL);
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ini_set('display_errors', 0);
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ini_set('log_errors', 1);
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require_once __DIR__ . '/../config.php';
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require_once __DIR__ . '/../includes/Database.php';
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require_once __DIR__ . '/../includes/Auth.php';
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$auth = new Auth();
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$auth->requireLogin();
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$db = Database::getInstance();
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$user = $auth->getCurrentUser();
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$appTitle = $db->getSetting('app_title', 'UniFi Voucher System');
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$error = '';
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$success = '';
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$backupCodes = []; // nur direkt nach Erzeugung gefüllt
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$hasPassword = !empty($user['password_hash']);
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$totpEnabled = !empty($user['totp_enabled']);
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$setupRequired = isset($_GET['setup_required']);
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// 2FA aktivieren (Code bestaetigen)
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['enable_totp'])) {
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if (!$auth->validateCsrfToken($_POST['csrf_token'] ?? '')) {
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$error = 'Ungültiges Sicherheits-Token';
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} else {
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$secret = $_SESSION['totp_setup_secret'] ?? '';
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$code = trim($_POST['code'] ?? '');
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if ($secret === '') {
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$error = 'Setup abgelaufen, bitte erneut starten.';
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} elseif (!Totp::verify($secret, $code)) {
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$error = 'Code ungültig. Bitte erneut versuchen.';
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} else {
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$backupCodes = $auth->enableTotp($user['id'], $secret);
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unset($_SESSION['totp_setup_secret']);
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$totpEnabled = true;
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$user = $auth->getCurrentUser();
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$success = 'Zwei-Faktor-Authentifizierung wurde aktiviert. Bitte Recovery-Codes sicher speichern!';
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}
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}
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}
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// Recovery-Codes neu erzeugen
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['regen_codes'])) {
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if (!$auth->validateCsrfToken($_POST['csrf_token'] ?? '')) {
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$error = 'Ungültiges Sicherheits-Token';
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} elseif (!empty($user['totp_enabled'])) {
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$backupCodes = $auth->regenerateBackupCodes($user['id']);
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$user = $auth->getCurrentUser();
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$success = 'Neue Recovery-Codes erzeugt. Die alten sind jetzt ungültig.';
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}
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}
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// 2FA deaktivieren
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['disable_totp'])) {
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if (!$auth->validateCsrfToken($_POST['csrf_token'] ?? '')) {
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$error = 'Ungültiges Sicherheits-Token';
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} else {
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$auth->disableTotp($user['id']);
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$totpEnabled = false;
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$success = 'Zwei-Faktor-Authentifizierung wurde deaktiviert.';
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}
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}
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// Für die Setup-Ansicht ein Secret erzeugen (in Session halten bis bestätigt)
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$setupSecret = '';
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$otpUri = '';
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if (!$totpEnabled && $hasPassword) {
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$setupSecret = $_SESSION['totp_setup_secret'] ?? Totp::generateSecret();
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$_SESSION['totp_setup_secret'] = $setupSecret;
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$otpUri = Totp::provisioningUri($setupSecret, $user['email'], $appTitle);
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}
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$csrf = $auth->getCsrfToken();
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?>
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Zwei-Faktor-Authentifizierung – <?= htmlspecialchars($appTitle) ?></title>
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<?php if (!$totpEnabled && $hasPassword): ?>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js" integrity="sha512-CNgIRecGo7nphbeZ04Sc13ka07paqdeTu0WR1IM4kNcpmBAUSHSe2keRB6Q5pBUtIxCY7bQMsVB0ANBpd6JDg==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
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<?php endif; ?>
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<style>
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* { margin:0; padding:0; box-sizing:border-box; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif; }
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body { background:linear-gradient(135deg,#667eea 0%,#764ba2 100%); min-height:100vh; display:flex; align-items:center; justify-content:center; padding:20px; }
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.card { background:#fff; border-radius:18px; box-shadow:0 20px 60px rgba(0,0,0,.3); max-width:480px; width:100%; padding:36px; }
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h1 { font-size:22px; color:#333; margin-bottom:6px; }
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.sub { color:#777; font-size:14px; margin-bottom:24px; }
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.alert { padding:12px 14px; border-radius:9px; font-size:14px; margin-bottom:18px; }
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.alert-error { background:#fee; border:1px solid #fcc; color:#c33; }
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.alert-ok { background:#efe; border:1px solid #cfc; color:#2a7; }
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.status { display:inline-flex; align-items:center; gap:8px; padding:6px 12px; border-radius:8px; font-size:13px; font-weight:600; margin-bottom:20px; }
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.on { background:#e3f6ea; color:#2a7; } .off { background:#fdeaea; color:#c33; }
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.qr { display:flex; justify-content:center; margin:18px 0; }
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.secret { font-family:monospace; background:#f5f6fa; padding:10px; border-radius:8px; text-align:center; letter-spacing:2px; word-break:break-all; font-size:14px; margin-bottom:18px; }
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ol { margin:0 0 18px 18px; color:#555; font-size:14px; line-height:1.7; }
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label { display:block; font-size:14px; color:#555; margin-bottom:8px; font-weight:500; }
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input[type=text] { width:100%; padding:13px; border:2px solid #e0e0e0; border-radius:10px; font-size:18px; letter-spacing:6px; text-align:center; }
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.btn { width:100%; padding:14px; border:none; border-radius:10px; font-size:15px; font-weight:600; cursor:pointer; margin-top:14px; }
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.btn-primary { background:#667eea; color:#fff; } .btn-danger { background:#e25555; color:#fff; }
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.back { display:block; text-align:center; margin-top:20px; color:#667eea; text-decoration:none; font-size:14px; }
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.codes-box { background:#fff8e6; border:1px solid #ffe3a3; border-radius:10px; padding:16px; margin-bottom:18px; }
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.codes-box strong { font-size:15px; } .codes-box p { color:#8a6d2f; font-size:13px; margin:6px 0 12px; }
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.codes { display:grid; grid-template-columns:1fr 1fr; gap:8px; }
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.codes span { font-family:monospace; background:#fff; border:1px solid #ffe3a3; border-radius:6px; padding:8px; text-align:center; letter-spacing:2px; font-size:14px; }
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</style>
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</head>
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<body>
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<div class="card">
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<h1>🔐 Zwei-Faktor-Authentifizierung</h1>
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<p class="sub">Konto: <?= htmlspecialchars($user['email']) ?></p>
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<?php if ($setupRequired && !$totpEnabled): ?>
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<div class="alert alert-error">Aus Sicherheitsgründen ist 2FA für Administratoren verpflichtend. Bitte jetzt einrichten.</div>
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<?php endif; ?>
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<?php if ($error): ?><div class="alert alert-error"><?= htmlspecialchars($error) ?></div><?php endif; ?>
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<?php if ($success): ?><div class="alert alert-ok"><?= htmlspecialchars($success) ?></div><?php endif; ?>
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<?php if (!empty($backupCodes)): ?>
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<div class="codes-box">
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<strong>🔑 Recovery-Codes</strong>
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<p>Bewahren Sie diese sicher auf. Jeder Code funktioniert <em>einmal</em>, falls Sie keinen Zugriff auf Ihre App haben.</p>
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<div class="codes">
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<?php foreach ($backupCodes as $c): ?><span><?= htmlspecialchars($c) ?></span><?php endforeach; ?>
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</div>
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</div>
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<?php endif; ?>
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<?php if (!$hasPassword): ?>
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<div class="status off">● Nicht verfügbar</div>
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<p class="sub">Ihr Konto meldet sich über Microsoft 365 an. 2FA wird dort in Ihrem Microsoft-Konto verwaltet.</p>
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<?php elseif ($totpEnabled): ?>
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<div class="status on">● Aktiv</div>
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<p class="sub">Bei jeder Anmeldung wird zusätzlich ein Code aus Ihrer Authenticator-App abgefragt.<br>
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Verbleibende Recovery-Codes: <strong><?= (int)$auth->backupCodesRemaining($user) ?></strong></p>
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<form method="post" style="margin-bottom:10px;">
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<input type="hidden" name="csrf_token" value="<?= htmlspecialchars($csrf) ?>">
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<button type="submit" name="regen_codes" class="btn btn-secondary" style="background:#eef0ff;color:#5a63d6;width:100%;">Recovery-Codes neu erzeugen</button>
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</form>
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<form method="post" onsubmit="return confirm('2FA wirklich deaktivieren?');">
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<input type="hidden" name="csrf_token" value="<?= htmlspecialchars($csrf) ?>">
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<button type="submit" name="disable_totp" class="btn btn-danger">2FA deaktivieren</button>
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</form>
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<?php else: ?>
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<div class="status off">● Inaktiv</div>
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<ol>
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<li>Authenticator-App öffnen (Google Authenticator, Authy, Microsoft Authenticator …)</li>
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<li>QR-Code scannen <em>oder</em> Secret manuell eingeben</li>
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<li>Den angezeigten 6-stelligen Code unten eingeben</li>
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</ol>
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<div class="qr"><div id="qrcode"></div></div>
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<div class="secret"><?= htmlspecialchars($setupSecret) ?></div>
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<form method="post">
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<input type="hidden" name="csrf_token" value="<?= htmlspecialchars($csrf) ?>">
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<label for="code">6-stelliger Code</label>
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<input type="text" id="code" name="code" inputmode="numeric" pattern="[0-9]*" maxlength="6" autocomplete="one-time-code" required>
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<button type="submit" name="enable_totp" class="btn btn-primary">2FA aktivieren</button>
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</form>
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<script>
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new QRCode(document.getElementById('qrcode'), {
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text: <?= json_encode($otpUri) ?>, width: 180, height: 180,
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correctLevel: QRCode.CorrectLevel.M
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});
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</script>
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<?php endif; ?>
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<a class="back" href="../index.php">← Zurück</a>
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</div>
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</body>
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</html>
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