add utility command for object store objects

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

1 files changed, 80 insertions, 0 deletions

diff --git a/apps/files/lib/Command/Object/Get.php b/apps/files/lib/Command/Object/Get.php
new file mode 100644
index 00000000000..c07a64b20e2
--- /dev/null
+++ b/apps/files/lib/Command/Object/Get.php
@@ -0,0 +1,80 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * @copyright Copyright (c) 2023 Robin Appelman <robin@icewind.nl>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace OCA\Files\Command\Object;
+
+use OCP\Files\File;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class Get extends Command {
+	private ObjectUtil $objectUtils;
+
+	public function __construct(ObjectUtil $objectUtils) {
+		$this->objectUtils = $objectUtils;
+		parent::__construct();
+	}
+
+	protected function configure(): void {
+		$this
+			->setName('files:object:get')
+			->setDescription('Get the contents of an object')
+			->addArgument('object', InputArgument::REQUIRED, "Object to get")
+			->addArgument('output', InputArgument::REQUIRED, "Target local file to output to, use - for STDOUT")
+			->addOption('bucket', 'b', InputOption::VALUE_REQUIRED, "Bucket to get the object from, only required in cases where it can't be determined from the config");
+	}
+
+	public function execute(InputInterface $input, OutputInterface $output): int {
+		$object = $input->getArgument('object');
+		$outputName = $input->getArgument('output');
+		$objectStore = $this->objectUtils->getObjectStore($input->getOption("bucket"), $output);
+		if (!$objectStore) {
+			return 1;
+		}
+
+		if (!$objectStore->objectExists($object)) {
+			$output->writeln("<error>Object $object does not exist</error>");
+			return 1;
+		} else {
+			try {
+				$source = $objectStore->readObject($object);
+			} catch (\Exception $e) {
+				$msg = $e->getMessage();
+				$output->writeln("<error>Failed to read $object from object store: $msg</error>");
+				return 1;
+			}
+			$target = $outputName === '-' ? STDOUT : fopen($outputName, 'w');
+			if (!$target) {
+				$output->writeln("<error>Failed to open $outputName for writing</error>");
+				return 1;
+			}
+
+			stream_copy_to_stream($source, $target);
+			return 0;
+		}
+	}
+
+}