1 files changed, 81 insertions, 0 deletions
diff --git a/core/Command/Integrity/SignCore.php b/core/Command/Integrity/SignCore.php
new file mode 100644
index 00000000000..ed80091ec38
--- /dev/null
+++ b/core/Command/Integrity/SignCore.php
@@ -0,0 +1,81 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OC\Core\Command\Integrity;
+
+use OC\IntegrityCheck\Checker;
+use OC\IntegrityCheck\Helpers\FileAccessHelper;
+use phpseclib\Crypt\RSA;
+use phpseclib\File\X509;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Class SignCore
+ *
+ * @package OC\Core\Command\Integrity
+ */
+class SignCore extends Command {
+	public function __construct(
+		private Checker $checker,
+		private FileAccessHelper $fileAccessHelper,
+	) {
+		parent::__construct(null);
+	}
+
+	protected function configure() {
+		$this
+			->setName('integrity:sign-core')
+			->setDescription('Sign core using a private key.')
+			->addOption('privateKey', null, InputOption::VALUE_REQUIRED, 'Path to private key to use for signing')
+			->addOption('certificate', null, InputOption::VALUE_REQUIRED, 'Path to certificate to use for signing')
+			->addOption('path', null, InputOption::VALUE_REQUIRED, 'Path of core to sign');
+	}
+
+	/**
+	 * {@inheritdoc }
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$privateKeyPath = $input->getOption('privateKey');
+		$keyBundlePath = $input->getOption('certificate');
+		$path = $input->getOption('path');
+		if (is_null($privateKeyPath) || is_null($keyBundlePath) || is_null($path)) {
+			$output->writeln('--privateKey, --certificate and --path are required.');
+			return 1;
+		}
+
+		$privateKey = $this->fileAccessHelper->file_get_contents($privateKeyPath);
+		$keyBundle = $this->fileAccessHelper->file_get_contents($keyBundlePath);
+
+		if ($privateKey === false) {
+			$output->writeln(sprintf('Private key "%s" does not exists.', $privateKeyPath));
+			return 1;
+		}
+
+		if ($keyBundle === false) {
+			$output->writeln(sprintf('Certificate "%s" does not exists.', $keyBundlePath));
+			return 1;
+		}
+
+		$rsa = new RSA();
+		$rsa->loadKey($privateKey);
+		$x509 = new X509();
+		$x509->loadX509($keyBundle);
+		$x509->setPrivateKey($rsa);
+
+		try {
+			$this->checker->writeCoreSignature($x509, $rsa, $path);
+			$output->writeln('Successfully signed "core"');
+		} catch (\Exception $e) {
+			$output->writeln('Error: ' . $e->getMessage());
+			return 1;
+		}
+		return 0;
+	}
+}