1 files changed, 46 insertions, 0 deletions
diff --git a/apps/settings/lib/SetupChecks/RandomnessSecure.php b/apps/settings/lib/SetupChecks/RandomnessSecure.php
new file mode 100644
index 00000000000..045ddde0b9d
--- /dev/null
+++ b/apps/settings/lib/SetupChecks/RandomnessSecure.php
@@ -0,0 +1,46 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\Settings\SetupChecks;
+
+use OCP\IConfig;
+use OCP\IL10N;
+use OCP\IURLGenerator;
+use OCP\Security\ISecureRandom;
+use OCP\SetupCheck\ISetupCheck;
+use OCP\SetupCheck\SetupResult;
+
+class RandomnessSecure implements ISetupCheck {
+	public function __construct(
+		private IL10N $l10n,
+		private IConfig $config,
+		private IURLGenerator $urlGenerator,
+		private ISecureRandom $secureRandom,
+	) {
+	}
+
+	public function getName(): string {
+		return $this->l10n->t('Random generator');
+	}
+
+	public function getCategory(): string {
+		return 'security';
+	}
+
+	public function run(): SetupResult {
+		try {
+			$this->secureRandom->generate(1);
+		} catch (\Exception $ex) {
+			return SetupResult::error(
+				$this->l10n->t('No suitable source for randomness found by PHP which is highly discouraged for security reasons.'),
+				$this->urlGenerator->linkToDocs('admin-security')
+			);
+		}
+		return SetupResult::success($this->l10n->t('Secure'));
+	}
+}