feat: add command to export certificate bundle

Signed-off-by: Robin Appelman <robin@icewind.nl>

core/Command/Security/ExportCertificates.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+declare(strict_types=1);
+
+namespace OC\Core\Command\Security;
+
+use OC\Core\Command\Base;
+use OCP\ICertificateManager;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ExportCertificates extends Base {
+	public function __construct(
+		protected ICertificateManager $certificateManager,
+	) {
+		parent::__construct();
+	}
+
+	protected function configure() {
+		$this
+			->setName('security:certificates:export')
+			->setDescription('export the certificate bundle');
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$bundlePath = $this->certificateManager->getAbsoluteBundlePath();
+		$bundle = file_get_contents($bundlePath);
+		$output->writeln($bundle);
+		return 0;
+	}
+}

core/register_command.php

@@ -134,6 +134,7 @@
 	$application->add(Server::get(Command\SystemTag\Edit::class));
 
 	$application->add(Server::get(Command\Security\ListCertificates::class));
+	$application->add(Server::get(Command\Security\ExportCertificates::class));
 	$application->add(Server::get(Command\Security\ImportCertificate::class));
 	$application->add(Server::get(Command\Security\RemoveCertificate::class));
 	$application->add(Server::get(Command\Security\BruteforceAttempts::class));