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-rw-r--r--apps/settings/lib/SetupChecks/ForwardedForHeaders.php31
1 files changed, 12 insertions, 19 deletions
diff --git a/apps/settings/lib/SetupChecks/ForwardedForHeaders.php b/apps/settings/lib/SetupChecks/ForwardedForHeaders.php
index daf84e265af..8238ce07554 100644
--- a/apps/settings/lib/SetupChecks/ForwardedForHeaders.php
+++ b/apps/settings/lib/SetupChecks/ForwardedForHeaders.php
@@ -3,25 +3,8 @@
declare(strict_types=1);
/**
- * @copyright Copyright (c) 2023 Côme Chilliet <come.chilliet@nextcloud.com>
- *
- * @author Côme Chilliet <come.chilliet@nextcloud.com>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OCA\Settings\SetupChecks;
@@ -59,6 +42,16 @@ class ForwardedForHeaders implements ISetupCheck {
return SetupResult::error($this->l10n->t('Your "trusted_proxies" setting is not correctly set, it should be an array.'));
}
+ foreach ($trustedProxies as $proxy) {
+ $addressParts = explode('/', $proxy, 2);
+ if (filter_var($addressParts[0], FILTER_VALIDATE_IP) === false || !ctype_digit($addressParts[1] ?? '24')) {
+ return SetupResult::error(
+ $this->l10n->t('Your "trusted_proxies" setting is not correctly set, it should be an array of IP addresses - optionally with range in CIDR notation.'),
+ $this->urlGenerator->linkToDocs('admin-reverse-proxy'),
+ );
+ }
+ }
+
if (($remoteAddress === '') && ($detectedRemoteAddress === '')) {
if (\OC::$CLI) {
/* We were called from CLI */