M8: Security-Headers, Rate-Limits und Audit-Log
Erste drei Bausteine der Haertung: - Security-Headers (X-Content-Type-Options, X-Frame-Options, Referrer- Policy, Permissions-Policy, HSTS bei HTTPS) laufen automatisch ueber app_send_security_headers() am Ende von app/bootstrap.php fuer jede dynamische Seite; landing.php war als einzige Seite ganz ohne PHP und bekam einen minimalen Bootstrap-Aufruf. Bewusst kein CSP, da die bestehenden Templates durchgaengig auf Inline-style-Attribute setzen. - DB-gestuetzte Rate-Limits (neue Tabelle rate_limit_attempts) fuer Login (10/15min je E-Mail, 20/15min je IP), Registrierung (5/h je IP) und Passwort-Reset-Anfrage (5/h je E-Mail, 10/h je IP); bei ausgereiztem Reset-Limit erscheint dieselbe generische Meldung wie im Erfolgsfall, um kein Konto-Enumeration-Signal zu geben. - Zentrales Audit-Log (neue Tabelle audit_log) fuer Mitgliederverwaltung, Zugangsvergabe/-entzug, Storno, Mandant-Einstellungen, Hinweise, CSV-Import, Jahresbonus-Verteilung und Live-Mailversand; sichtbar fuer Owner/Admin auf mandant-einstellungen.php. Live getestet: Rate-Limit greift nach 10 Fehlversuchen, Audit-Log-Eintrag mit korrekten Metadaten und Nutzernamen ueber einen isolierten Test- Mandanten geprueft. Alle Regressionstests weiterhin gruen (26/26 Smoke, 104 Golden-Master-Assertions). Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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+24
-19
@@ -2,6 +2,7 @@
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require_once __DIR__ . '/functions.php';
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require_once __DIR__ . '/app/saas-mail.php';
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require_once __DIR__ . '/app/rate-limit.php';
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$pdo = app_db_pdo();
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$errors = [];
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@@ -15,28 +16,32 @@ $values = [
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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app_require_csrf();
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$result = saas_register_tenant_owner($pdo, [
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'tenant_name' => $values['tenant_name'],
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'tenant_slug' => $values['tenant_slug'],
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'display_name' => $values['display_name'],
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'email' => $values['email'],
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'password' => (string)($_POST['password'] ?? ''),
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'password_confirm' => (string)($_POST['password_confirm'] ?? ''),
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]);
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if (!app_rate_limit_check($pdo, 'register_ip:' . app_client_ip(), 5, 3600)) {
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$errors = ['Zu viele Registrierungsversuche. Bitte versuche es später erneut.'];
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} else {
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$result = saas_register_tenant_owner($pdo, [
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'tenant_name' => $values['tenant_name'],
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'tenant_slug' => $values['tenant_slug'],
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'display_name' => $values['display_name'],
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'email' => $values['email'],
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'password' => (string)($_POST['password'] ?? ''),
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'password_confirm' => (string)($_POST['password_confirm'] ?? ''),
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]);
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if ($result['ok']) {
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if (!empty($result['email_verification_token'])) {
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saas_send_email_verification_mail($values['email'], (string)$result['email_verification_token']);
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if ($result['ok']) {
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if (!empty($result['email_verification_token'])) {
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saas_send_email_verification_mail($values['email'], (string)$result['email_verification_token']);
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}
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saas_session_login($result['identity']);
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if (saas_should_show_auth_links() && !empty($result['email_verification_token'])) {
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$_SESSION['saas_dev_email_verification_token'] = (string)$result['email_verification_token'];
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}
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header('Location: konto.php?registered=1');
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exit;
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}
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saas_session_login($result['identity']);
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if (saas_should_show_auth_links() && !empty($result['email_verification_token'])) {
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$_SESSION['saas_dev_email_verification_token'] = (string)$result['email_verification_token'];
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}
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header('Location: konto.php?registered=1');
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exit;
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$errors = $result['errors'];
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}
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$errors = $result['errors'];
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}
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?>
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