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DB-gestützte Sessions (opt-in) + 'überall abmelden'

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- includes/DbSessionHandler.php (SessionHandlerInterface, fehlertolerant)
- Auth: opt-in-Registrierung (Setting session_driver=db), activeSessionCount(),
  logoutOtherSessions()
- Migration 0004 (sessions.user_id NULL) + database.sql
- Settings-Toggle in integrations.php; 'überall abmelden' in security.php
This commit is contained in:
Claude 2026-06-06 05:49:53 +00:00
parent ebfa27d5c3
commit 1a51721477
No known key found for this signature in database
6 changed files with 144 additions and 2 deletions
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7
admin/integrations.php
View file

@ -24,6 +24,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['save'])) {
$error = __('error_csrf');
} else {
$db->setSetting('enforce_2fa_admins', isset($_POST['enforce_2fa_admins']) ? '1' : '0');
$db->setSetting('session_driver', ($_POST['session_driver'] ?? 'php') === 'db' ? 'db' : 'php');
$cm = in_array($_POST['captcha_mode'] ?? 'off', ['off','math','hcaptcha'], true) ? $_POST['captcha_mode'] : 'off';
$db->setSetting('captcha_mode', $cm);
$db->setSetting('captcha_site_key', trim($_POST['captcha_site_key'] ?? ''));
@ -58,6 +59,7 @@ if (isset($_GET['test_webhook']) && isset($_GET['token']) && $auth->validateCsrf
}
$enforce2fa = $db->getSetting('enforce_2fa_admins', '0') === '1';
$sessionDriver = $db->getSetting('session_driver', 'php');
$captchaMode = $db->getSetting('captcha_mode', 'off');
$captchaSiteKey = $db->getSetting('captcha_site_key', '');
$captchaSecretSet = $db->getSetting('captcha_secret', '') !== '';
@ -121,6 +123,11 @@ label { display:block; font-size:14px; color:var(--text-secondary); margin:14px
<label class="chk"><input type="checkbox" name="enforce_2fa_admins" <?= $enforce2fa ? 'checked' : '' ?>> 2FA für Administratoren verpflichtend</label>
<label>Tageslimit Voucher pro Nicht-Admin-Benutzer (0 = unbegrenzt)</label>
<input class="input" type="number" min="0" name="user_daily_voucher_limit" value="<?= $dailyLimit ?>" style="max-width:200px;">
<label>Session-Speicher</label>
<select class="input" name="session_driver" style="max-width:240px;">
<option value="php" <?= $sessionDriver==='php'?'selected':'' ?>>PHP-Standard (Dateien)</option>
<option value="db" <?= $sessionDriver==='db'?'selected':'' ?>>Datenbank (ermöglicht „überall abmelden")</option>
</select>
<label>Captcha im öffentlichen Modus</label>
<select class="input" name="captcha_mode" style="max-width:240px;">
<option value="off" <?= $captchaMode==='off'?'selected':'' ?>>Aus</option>

21
admin/security.php
View file

@ -42,6 +42,16 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['enable_totp'])) {
}
}
// Überall abmelden (andere Sessions beenden)
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['logout_others'])) {
if (!$auth->validateCsrfToken($_POST['csrf_token'] ?? '')) {
$error = 'Ungültiges Sicherheits-Token';
} else {
$auth->logoutOtherSessions();
$success = 'Alle anderen Sitzungen wurden beendet.';
}
}
// Recovery-Codes neu erzeugen
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['regen_codes'])) {
if (!$auth->validateCsrfToken($_POST['csrf_token'] ?? '')) {
@ -73,6 +83,8 @@ if (!$totpEnabled && $hasPassword) {
$otpUri = Totp::provisioningUri($setupSecret, $user['email'], $appTitle);
}
$csrf = $auth->getCsrfToken();
$dbSessions = $db->getSetting('session_driver', 'php') === 'db';
$activeSessions = $dbSessions ? $auth->activeSessionCount() : 0;
?>
<!DOCTYPE html>
<html lang="de">
@ -167,6 +179,15 @@ input[type=text] { width:100%; padding:13px; border:2px solid #e0e0e0; border-ra
</script>
<?php endif; ?>
<?php if ($dbSessions): ?>
<hr style="margin:20px 0;border:none;border-top:1px solid #eee;">
<p class="sub">Aktive Sitzungen: <strong><?= (int)$activeSessions ?></strong></p>
<form method="post" onsubmit="return confirm('Alle anderen Sitzungen abmelden?');">
<input type="hidden" name="csrf_token" value="<?= htmlspecialchars($csrf) ?>">
<button type="submit" name="logout_others" class="btn" style="background:#eef0ff;color:#5a63d6;width:100%;">Auf allen anderen Geräten abmelden</button>
</form>
<?php endif; ?>
<a class="back" href="../index.php">← Zurück</a>
</div>
</body>