1 files changed, 85 insertions, 0 deletions
diff --git a/core/Command/Integrity/SignApp.php b/core/Command/Integrity/SignApp.php
new file mode 100644
index 00000000000..d307bc58985
--- /dev/null
+++ b/core/Command/Integrity/SignApp.php
@@ -0,0 +1,85 @@
+<?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 OCP\IURLGenerator;
+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 SignApp
+ *
+ * @package OC\Core\Command\Integrity
+ */
+class SignApp extends Command {
+	public function __construct(
+		private Checker $checker,
+		private FileAccessHelper $fileAccessHelper,
+		private IURLGenerator $urlGenerator,
+	) {
+		parent::__construct(null);
+	}
+
+	protected function configure() {
+		$this
+			->setName('integrity:sign-app')
+			->setDescription('Signs an app using a private key.')
+			->addOption('path', null, InputOption::VALUE_REQUIRED, 'Application to sign')
+			->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');
+	}
+
+	/**
+	 * {@inheritdoc }
+	 */
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$path = $input->getOption('path');
+		$privateKeyPath = $input->getOption('privateKey');
+		$keyBundlePath = $input->getOption('certificate');
+		if (is_null($path) || is_null($privateKeyPath) || is_null($keyBundlePath)) {
+			$documentationUrl = $this->urlGenerator->linkToDocs('developer-code-integrity');
+			$output->writeln('This command requires the --path, --privateKey and --certificate.');
+			$output->writeln('Example: ./occ integrity:sign-app --path="/Users/lukasreschke/Programming/myapp/" --privateKey="/Users/lukasreschke/private/myapp.key" --certificate="/Users/lukasreschke/public/mycert.crt"');
+			$output->writeln('For more information please consult the documentation: ' . $documentationUrl);
+			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 {
+			$this->checker->writeAppSignature($path, $x509, $rsa);
+			$output->writeln('Successfully signed "' . $path . '"');
+		} catch (\Exception $e) {
+			$output->writeln('Error: ' . $e->getMessage());
+			return 1;
+		}
+		return 0;
+	}
+}