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+<?php
+/**
+ * @author Robin Appelman <icewind@owncloud.com>
+ *
+ * @copyright Copyright (c) 2015, ownCloud, Inc.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+namespace OCA\Files_External\Command;
+
+use OC\Core\Command\Base;
+use OCA\Files_External\Lib\Backend\Backend;
+use OCA\Files_External\Lib\DefinitionParameter;
+use OCA\Files_External\Service\BackendService;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\Table;
+use Symfony\Component\Console\Helper\TableHelper;
+use Symfony\Component\Console\Input\ArrayInput;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Input\Input;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Backends extends Base {
+ /** @var BackendService */
+ private $backendService;
+
+ function __construct(BackendService $backendService
+ ) {
+ parent::__construct();
+
+ $this->backendService = $backendService;
+ }
+
+ protected function configure() {
+ $this
+ ->setName('files_external:backends')
+ ->setDescription('Show available authentication and storage backends')
+ ->addArgument(
+ 'type',
+ InputArgument::OPTIONAL,
+ 'only show backends of a certain type. Possible values are "authentication" or "storage"'
+ )->addArgument(
+ 'backend',
+ InputArgument::OPTIONAL,
+ 'only show information of a specific backend'
+ );
+ parent::configure();
+ }
+
+ protected function execute(InputInterface $input, OutputInterface $output) {
+ $authBackends = $this->backendService->getAuthMechanisms();
+ $storageBackends = $this->backendService->getBackends();
+
+ $data = [
+ 'authentication' => array_map([$this, 'serializeAuthBackend'], $authBackends),
+ 'storage' => array_map([$this, 'serializeAuthBackend'], $storageBackends)
+ ];
+
+ $type = $input->getArgument('type');
+ $backend = $input->getArgument('backend');
+ if ($type) {
+ if (!isset($data[$type])) {
+ $output->writeln('<error>Invalid type "' . $type . '". Possible values are "authentication" or "storage"</error>');
+ return 1;
+ }
+ $data = $data[$type];
+
+ if ($backend) {
+ if (!isset($data[$backend])) {
+ $output->writeln('<error>Unknown backend "' . $backend . '" of type "' . $type . '"</error>');
+ return 1;
+ }
+ $data = $data[$backend];
+ }
+ }
+
+ $this->writeArrayInOutputFormat($input, $output, $data);
+ }
+
+ private function serializeAuthBackend(\JsonSerializable $backend) {
+ $data = $backend->jsonSerialize();
+ $result = [
+ 'name' => $data['name'],
+ 'identifier' => $data['identifier'],
+ 'configuration' => array_map(function (DefinitionParameter $parameter) {
+ return $parameter->getTypeName();
+ }, $data['configuration'])
+ ];
+ if ($backend instanceof Backend) {
+ $result['storage_class'] = $backend->getStorageClass();
+ }
+ return $result;
+ }
+}