Friederich Loheide
9a4b2e1cd4
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Neuer Einstellungs-Tab "Login-Seite" (Administration → Einstellungen): - Firmenname und eigenes Logo für die Anmeldeseite - Überschrift, Beschreibungstext, Stichpunkte (eine Zeile je Punkt) und Fußzeile frei setzbar - Hintergrundbild für die linke Bildspalte, alternativ Farbverlauf mit Farbwähler (Start-/Endfarbe) sowie einstellbarer Abdunklung für die Lesbarkeit auf hellen Bildern - Bildspalte abschaltbar: dann zentrierte Anmeldekarte auf dem App-Hintergrund - "Vorschau öffnen" zeigt die Login-Seite als angemeldeter Admin (login.php?preview=1), ohne die Sitzung zu beenden Alle Felder sind optional; leere Werte fallen auf die bisherigen Standardtexte und -farben zurück. Bestehende Installationen sehen unverändert aus, es ist keine Migration nötig. README um den Abschnitt "Login-Seite individualisieren" mit Beispiel- Screenshots ergänzt. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
300 lines
13 KiB
PHP
300 lines
13 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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require_once __DIR__ . '/includes/I18n.php';
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try {
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$auth = new Auth();
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// Angemeldete Admins koennen die Login-Seite mit ?preview=1 ansehen
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// (Vorschau aus den Einstellungen), ohne abgemeldet zu werden.
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$isPreview = isset($_GET['preview']) && $auth->isLoggedIn() && $auth->isAdmin();
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if ($auth->isLoggedIn() && !$isPreview) { header('Location: index.php'); exit; }
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} catch (Exception $e) {
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die('Fehler beim Initialisieren: ' . $e->getMessage());
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}
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I18n::init();
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$error = '';
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$success = '';
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$show2fa = false;
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['totp_code'])) {
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// Zweiter Login-Schritt: 2FA-Code
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try {
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if ($auth->verifyTotpLogin(trim($_POST['totp_code']))) {
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header('Location: index.php');
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exit;
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}
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$error = 'Code ungültig oder abgelaufen. Bitte erneut versuchen.';
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$show2fa = $auth->isTotpPending();
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} catch (Exception $e) {
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$error = 'Login-Fehler: ' . $e->getMessage();
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}
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} elseif ($_SERVER['REQUEST_METHOD'] === 'POST') {
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try {
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$email = trim($_POST['email'] ?? '');
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$password = $_POST['password'] ?? '';
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if (empty($email) || empty($password)) {
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$error = __('login_error_empty');
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} else {
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$result = $auth->login($email, $password);
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if ($result === true) {
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header('Location: index.php');
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exit;
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} elseif ($result === 'totp_required') {
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$show2fa = true;
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} elseif ($result === 'rate_limited') {
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$error = __('login_error_rate');
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} else {
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$error = __('login_error_creds');
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}
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}
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} catch (Exception $e) {
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$error = 'Login-Fehler: ' . $e->getMessage();
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}
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}
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// Direkter Aufruf mit ?2fa=1 (z.B. nach Redirect) und noch ausstehendem Login
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if (!$show2fa && isset($_GET['2fa']) && $auth->isTotpPending()) {
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$show2fa = true;
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}
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try {
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$db = Database::getInstance();
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$appTitle = $db->getSetting('app_title', 'UniFi Voucher System');
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$logoUrl = $db->getSetting('logo_url', '');
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$m365ClientId = $db->getSetting('m365_client_id', '');
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$m365ClientSecret = $db->getSetting('m365_client_secret', '');
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$m365TenantId = $db->getSetting('m365_tenant_id', '');
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$m365Enabled = !empty($m365ClientId) && !empty($m365ClientSecret) && !empty($m365TenantId);
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$publicAccess = $db->getSetting('public_access', 0);
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$smtpEnabled = $db->getSetting('smtp_enabled', '0') === '1';
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$m365LoginUrl = '';
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if ($m365Enabled) {
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$protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 'https' : 'http';
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$host = $_SERVER['HTTP_HOST'];
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$scriptPath = dirname($_SERVER['SCRIPT_NAME']);
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$scriptPath = $scriptPath === '/' ? '' : $scriptPath;
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$redirectUri = $protocol . '://' . $host . $scriptPath . '/m365_callback.php';
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$params = [
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'client_id' => $m365ClientId,
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'response_type' => 'code',
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'redirect_uri' => $redirectUri,
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'response_mode' => 'query',
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'scope' => 'openid profile email User.Read',
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'state' => bin2hex(random_bytes(16))
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];
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$_SESSION['m365_state'] = $params['state'];
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$m365LoginUrl = "https://login.microsoftonline.com/$m365TenantId/oauth2/v2.0/authorize?" . http_build_query($params);
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}
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// Generisches OIDC (optional)
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$oidcEnabled = $db->getSetting('oidc_enabled', '0') === '1'
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&& $db->getSetting('oidc_client_id', '') !== ''
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&& $db->getSetting('oidc_auth_url', '') !== '';
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$oidcName = $db->getSetting('oidc_name', 'SSO');
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$oidcLoginUrl = '';
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if ($oidcEnabled) {
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$protocol = isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? 'https' : 'http';
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$scriptPath = dirname($_SERVER['SCRIPT_NAME']);
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$scriptPath = $scriptPath === '/' ? '' : $scriptPath;
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$oidcState = bin2hex(random_bytes(16));
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$_SESSION['oidc_state'] = $oidcState;
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$oidcLoginUrl = rtrim($db->getSetting('oidc_auth_url', ''), '?') . '?' . http_build_query([
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'client_id' => $db->getSetting('oidc_client_id', ''),
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'response_type' => 'code',
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'redirect_uri' => $protocol . '://' . $_SERVER['HTTP_HOST'] . $scriptPath . '/oidc_callback.php',
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'scope' => $db->getSetting('oidc_scopes', 'openid profile email'),
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'state' => $oidcState,
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]);
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}
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$showLocalLogin = isset($_GET['local']) && $_GET['local'] === '1';
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// --- Individualisierung der Login-Seite -------------------------------
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// Alle Werte sind optional; leer bedeutet "Standard verwenden".
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$loginBrand = $db->getSetting('login_brand_name', '') ?: $appTitle;
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$loginLogo = $db->getSetting('login_logo_url', '') ?: $logoUrl;
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$showPanel = $db->getSetting('login_panel_enabled', '1') === '1';
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$claimTitle = $db->getSetting('login_claim_title', '') ?: __('auth_claim_title');
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$claimText = $db->getSetting('login_claim_text', '') ?: __('auth_claim_text');
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$featureRaw = trim((string)$db->getSetting('login_features', ''));
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if ($featureRaw !== '') {
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$loginFeatures = array_values(array_filter(array_map('trim', preg_split('/\r\n|\r|\n/', $featureRaw))));
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} else {
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$loginFeatures = [__('auth_feature_1'), __('auth_feature_2'), __('auth_feature_3')];
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}
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$loginFooter = $db->getSetting('login_footer', '') ?: ('© ' . date('Y') . ' ' . $loginBrand);
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$loginBgImage = trim((string)$db->getSetting('login_bg_image', ''));
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$loginBgFrom = $db->getSetting('login_bg_from', '') ?: '#3b2f8f';
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$loginBgTo = $db->getSetting('login_bg_to', '') ?: '#6d5ce7';
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$loginOverlay = max(0, min(90, (int)$db->getSetting('login_bg_overlay', '40')));
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$visualStyle = '--login-from:' . htmlspecialchars($loginBgFrom, ENT_QUOTES)
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. ';--login-to:' . htmlspecialchars($loginBgTo, ENT_QUOTES)
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. ';--login-overlay:' . ($loginOverlay / 100);
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if ($loginBgImage !== '') {
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$visualStyle .= ";--login-image:url('" . htmlspecialchars($loginBgImage, ENT_QUOTES) . "')";
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}
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} catch (Exception $e) {
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die('Datenbankfehler: ' . $e->getMessage());
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}
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?>
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<!DOCTYPE html>
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<html lang="<?= I18n::getLanguage() ?>">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title><?= __('login_title') ?> – <?= htmlspecialchars($appTitle) ?></title>
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<link rel="preconnect" href="https://fonts.googleapis.com">
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<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
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<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
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<link rel="stylesheet" href="assets/global.css">
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<script>(function(){ const t=localStorage.getItem('theme')||'light'; document.documentElement.setAttribute('data-theme',t); })();</script>
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</head>
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<body class="auth-body<?= $showPanel ? '' : ' auth-body-single' ?>">
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<?php if ($showPanel): ?>
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<section class="auth-visual<?= $loginBgImage !== '' ? ' has-image' : '' ?>" style="<?= $visualStyle ?>">
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<div class="auth-brand">
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<?php if ($loginLogo): ?>
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<img src="<?= htmlspecialchars($loginLogo) ?>" alt="<?= htmlspecialchars($loginBrand) ?>" class="auth-brand-logo">
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<?php else: ?>
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<span class="brand-mark"><i class="fas fa-wifi"></i></span>
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<span><?= htmlspecialchars($loginBrand) ?></span>
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<?php endif; ?>
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</div>
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<div class="auth-claim">
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<?php if ($claimTitle !== ''): ?><h2><?= htmlspecialchars($claimTitle) ?></h2><?php endif; ?>
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<?php if ($claimText !== ''): ?><p><?= htmlspecialchars($claimText) ?></p><?php endif; ?>
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<?php if (!empty($loginFeatures)): ?>
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<ul class="auth-features">
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<?php foreach ($loginFeatures as $feature): ?>
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<li><span class="tick"><i class="fas fa-check"></i></span> <?= htmlspecialchars($feature) ?></li>
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<?php endforeach; ?>
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</ul>
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<?php endif; ?>
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</div>
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<div class="auth-foot"><?= htmlspecialchars($loginFooter) ?></div>
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</section>
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<?php endif; ?>
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<section class="auth-panel">
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<div class="auth-tools">
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<div class="lang-switcher">
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<?php foreach (I18n::getAvailable() as $code => $label): ?>
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<button class="lang-btn <?= I18n::getLanguage() === $code ? 'active' : '' ?>"
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onclick="switchLanguage('<?= $code ?>')"><?= strtoupper($code) ?></button>
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<?php endforeach; ?>
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</div>
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<button id="darkModeBtn" class="dark-mode-toggle" onclick="toggleDarkMode()" title="Dark Mode">
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<i class="fas fa-moon"></i>
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</button>
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</div>
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<div class="login-container">
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<?php if (!$showPanel): ?>
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<?php if ($loginLogo): ?>
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<img src="<?= htmlspecialchars($loginLogo) ?>" alt="<?= htmlspecialchars($loginBrand) ?>" class="logo">
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<?php else: ?>
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<div class="auth-mark">
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<span class="brand-mark"><i class="fas fa-wifi"></i></span>
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<span><?= htmlspecialchars($loginBrand) ?></span>
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</div>
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<?php endif; ?>
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<?php endif; ?>
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<h1><?= __('login_title') ?></h1>
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<p class="subtitle"><?= __('login_subtitle') ?></p>
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<?php if ($error): ?>
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<div class="alert alert-error"><?= htmlspecialchars($error) ?></div>
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<?php endif; ?>
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<?php if ($success): ?>
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<div class="alert alert-success"><?= htmlspecialchars($success) ?></div>
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<?php endif; ?>
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<?php if ($show2fa): ?>
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<form method="post">
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<p class="subtitle">
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Bitte geben Sie den 6-stelligen Code aus Ihrer Authenticator-App ein
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– oder einen Ihrer Recovery-Codes.
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</p>
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<div class="form-group">
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<label for="totp_code">Code</label>
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<input type="text" id="totp_code" name="totp_code" maxlength="9" class="code-input"
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autocomplete="one-time-code" required autofocus
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placeholder="123456">
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</div>
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<button type="submit" class="btn btn-primary btn-lg">Bestätigen</button>
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</form>
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<div class="auth-links"><a href="login.php" class="local-login-link">Abbrechen</a></div>
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<?php elseif ($m365Enabled && !$showLocalLogin): ?>
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<a href="<?= htmlspecialchars($m365LoginUrl) ?>" class="btn-microsoft">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 23 23">
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<path fill="#f35325" d="M1 1h10v10H1z"/>
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<path fill="#81bc06" d="M12 1h10v10H12z"/>
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<path fill="#05a6f0" d="M1 12h10v10H1z"/>
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<path fill="#ffba08" d="M12 12h10v10H12z"/>
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</svg>
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<?= __('login_ms') ?>
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</a>
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<div class="auth-links"><a href="?local=1" class="local-login-link"><?= __('login_local') ?></a></div>
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<?php else: ?>
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<form method="post">
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<div class="form-group">
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<label for="email"><?= __('login_email') ?></label>
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<input type="email" id="email" name="email" required autofocus>
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</div>
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<div class="form-group">
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<label for="password"><?= __('login_password') ?></label>
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<input type="password" id="password" name="password" required>
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</div>
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<?php if ($smtpEnabled): ?>
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<a href="forgot_password.php" class="forgot-link"><?= __('login_forgot') ?></a>
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<?php endif; ?>
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<button type="submit" class="btn btn-primary btn-lg"><?= __('login_btn') ?></button>
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</form>
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<?php if ($m365Enabled): ?>
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<div class="divider"><span><?= __('or') ?></span></div>
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<a href="<?= htmlspecialchars($m365LoginUrl) ?>" class="btn-microsoft">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 23 23">
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<path fill="#f35325" d="M1 1h10v10H1z"/>
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<path fill="#81bc06" d="M12 1h10v10H12z"/>
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<path fill="#05a6f0" d="M1 12h10v10H1z"/>
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<path fill="#ffba08" d="M12 12h10v10H12z"/>
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</svg>
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<?= __('login_ms') ?>
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</a>
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<?php endif; ?>
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<?php endif; ?>
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<?php if (!$show2fa && $oidcEnabled): ?>
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<div class="divider"><span><?= __('or') ?></span></div>
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<a href="<?= htmlspecialchars($oidcLoginUrl) ?>" class="btn btn-secondary btn-lg">
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<i class="fas fa-key"></i> <?= htmlspecialchars($oidcName) ?>
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</a>
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<?php endif; ?>
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<?php if ($publicAccess): ?>
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<div class="auth-links"><a href="index.php" class="back-link"><i class="fas fa-arrow-left"></i> <?= __('login_back') ?></a></div>
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<?php endif; ?>
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</div>
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</section>
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<script src="assets/global.js"></script>
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</body>
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</html>
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