Login-Seite individualisierbar (Branding, Texte, Hintergrund)
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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>
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10 changed files with 308 additions and 16 deletions
72
login.php
72
login.php
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@ -10,7 +10,10 @@ require_once __DIR__ . '/includes/I18n.php';
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try {
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$auth = new Auth();
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if ($auth->isLoggedIn()) { header('Location: index.php'); exit; }
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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: ' . $e->getMessage());
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}
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@ -117,6 +120,34 @@ try {
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$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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@ -134,24 +165,32 @@ try {
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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">
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<body class="auth-body<?= $showPanel ? '' : ' auth-body-single' ?>">
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<section class="auth-visual">
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<?php if ($showPanel): ?>
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<section class="auth-visual<?= $loginBgImage !== '' ? ' has-image' : '' ?>" style="<?= $visualStyle ?>">
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<div class="auth-brand">
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<span class="brand-mark"><i class="fas fa-wifi"></i></span>
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<span><?= htmlspecialchars($appTitle) ?></span>
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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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<h2><?= __('auth_claim_title') ?></h2>
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<p><?= __('auth_claim_text') ?></p>
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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($loginFeatures)): ?>
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<ul class="auth-features">
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<li><span class="tick"><i class="fas fa-check"></i></span> <?= __('auth_feature_1') ?></li>
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<li><span class="tick"><i class="fas fa-check"></i></span> <?= __('auth_feature_2') ?></li>
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<li><span class="tick"><i class="fas fa-check"></i></span> <?= __('auth_feature_3') ?></li>
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<?php foreach ($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">© <?= date('Y') ?> <?= htmlspecialchars($appTitle) ?></div>
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<div class="auth-foot"><?= htmlspecialchars($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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@ -167,8 +206,15 @@ try {
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</div>
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<div class="login-container">
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<?php if ($logoUrl): ?>
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<img src="<?= htmlspecialchars($logoUrl) ?>" alt="Logo" class="logo">
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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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