1 files changed, 71 insertions, 0 deletions
diff --git a/apps/files/lib/Command/Get.php b/apps/files/lib/Command/Get.php
new file mode 100644
index 00000000000..60e028f615e
--- /dev/null
+++ b/apps/files/lib/Command/Get.php
@@ -0,0 +1,71 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCA\Files\Command;
+
+use OC\Core\Command\Info\FileUtils;
+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\Output\OutputInterface;
+
+class Get extends Command {
+	public function __construct(
+		private FileUtils $fileUtils,
+	) {
+		parent::__construct();
+	}
+
+	protected function configure(): void {
+		$this
+			->setName('files:get')
+			->setDescription('Get the contents of a file')
+			->addArgument('file', InputArgument::REQUIRED, 'Source file id or Nextcloud path')
+			->addArgument('output', InputArgument::OPTIONAL, 'Target local file to output to, defaults to STDOUT');
+	}
+
+	public function execute(InputInterface $input, OutputInterface $output): int {
+		$fileInput = $input->getArgument('file');
+		$outputName = $input->getArgument('output');
+		$node = $this->fileUtils->getNode($fileInput);
+
+		if (!$node) {
+			$output->writeln("<error>file $fileInput not found</error>");
+			return self::FAILURE;
+		}
+
+		if (!($node instanceof File)) {
+			$output->writeln("<error>$fileInput is a directory</error>");
+			return self::FAILURE;
+		}
+
+		$isTTY = stream_isatty(STDOUT);
+		if ($outputName === null && $isTTY && $node->getMimePart() !== 'text') {
+			$output->writeln([
+				'<error>Warning: Binary output can mess up your terminal</error>',
+				"         Use <info>occ files:get $fileInput -</info> to output it to the terminal anyway",
+				"         Or <info>occ files:get $fileInput <FILE></info> to save to a file instead"
+			]);
+			return self::FAILURE;
+		}
+		$source = $node->fopen('r');
+		if (!$source) {
+			$output->writeln("<error>Failed to open $fileInput for reading</error>");
+			return self::FAILURE;
+		}
+		$target = ($outputName === null || $outputName === '-') ? STDOUT : fopen($outputName, 'w');
+		if (!$target) {
+			$output->writeln("<error>Failed to open $outputName for reading</error>");
+			return self::FAILURE;
+		}
+
+		stream_copy_to_stream($source, $target);
+		return self::SUCCESS;
+	}
+}