1 files changed, 71 insertions, 0 deletions
diff --git a/core/Command/Encryption/ListModules.php b/core/Command/Encryption/ListModules.php
new file mode 100644
index 00000000000..bf02c29f432
--- /dev/null
+++ b/core/Command/Encryption/ListModules.php
@@ -0,0 +1,71 @@
+<?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\Encryption;
+
+use OC\Core\Command\Base;
+use OCP\Encryption\IManager;
+use OCP\IConfig;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ListModules extends Base {
+	public function __construct(
+		protected IManager $encryptionManager,
+		protected IConfig $config,
+	) {
+		parent::__construct();
+	}
+
+	protected function configure() {
+		parent::configure();
+
+		$this
+			->setName('encryption:list-modules')
+			->setDescription('List all available encryption modules')
+		;
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$isMaintenanceModeEnabled = $this->config->getSystemValue('maintenance', false);
+		if ($isMaintenanceModeEnabled) {
+			$output->writeln('Maintenance mode must be disabled when listing modules');
+			$output->writeln('in order to list the relevant encryption modules correctly.');
+			return 1;
+		}
+
+		$encryptionModules = $this->encryptionManager->getEncryptionModules();
+		$defaultEncryptionModuleId = $this->encryptionManager->getDefaultEncryptionModuleId();
+
+		$encModules = [];
+		foreach ($encryptionModules as $module) {
+			$encModules[$module['id']]['displayName'] = $module['displayName'];
+			$encModules[$module['id']]['default'] = $module['id'] === $defaultEncryptionModuleId;
+		}
+		$this->writeModuleList($input, $output, $encModules);
+		return 0;
+	}
+
+	/**
+	 * @param InputInterface $input
+	 * @param OutputInterface $output
+	 * @param array $items
+	 */
+	protected function writeModuleList(InputInterface $input, OutputInterface $output, $items) {
+		if ($input->getOption('output') === self::OUTPUT_FORMAT_PLAIN) {
+			array_walk($items, function (&$item): void {
+				if (!$item['default']) {
+					$item = $item['displayName'];
+				} else {
+					$item = $item['displayName'] . ' [default*]';
+				}
+			});
+		}
+
+		$this->writeArrayInOutputFormat($input, $output, $items);
+	}
+}