Merge pull request #37971 from nextcloud/info-file-get

Add commands for basic file actions

6 files changed, 300 insertions, 0 deletions

diff --git a/apps/files/appinfo/info.xml b/apps/files/appinfo/info.xml
index 985a26f6611..5d9e630704d 100644
--- a/apps/files/appinfo/info.xml
+++ b/apps/files/appinfo/info.xml
@@ -35,6 +35,9 @@
 		<command>OCA\Files\Command\TransferOwnership</command>
 		<command>OCA\Files\Command\ScanAppData</command>
 		<command>OCA\Files\Command\RepairTree</command>
+		<command>OCA\Files\Command\Get</command>
+		<command>OCA\Files\Command\Put</command>
+		<command>OCA\Files\Command\Delete</command>
 	</commands>
 
 	<activity>
diff --git a/apps/files/composer/composer/autoload_classmap.php b/apps/files/composer/composer/autoload_classmap.php
index 868014ecfe7..2f99d4a88de 100644
--- a/apps/files/composer/composer/autoload_classmap.php
+++ b/apps/files/composer/composer/autoload_classmap.php
@@ -27,7 +27,10 @@ return array(
     'OCA\\Files\\Capabilities' => $baseDir . '/../lib/Capabilities.php',
     'OCA\\Files\\Collaboration\\Resources\\Listener' => $baseDir . '/../lib/Collaboration/Resources/Listener.php',
     'OCA\\Files\\Collaboration\\Resources\\ResourceProvider' => $baseDir . '/../lib/Collaboration/Resources/ResourceProvider.php',
+    'OCA\\Files\\Command\\Delete' => $baseDir . '/../lib/Command/Delete.php',
     'OCA\\Files\\Command\\DeleteOrphanedFiles' => $baseDir . '/../lib/Command/DeleteOrphanedFiles.php',
+    'OCA\\Files\\Command\\Get' => $baseDir . '/../lib/Command/Get.php',
+    'OCA\\Files\\Command\\Put' => $baseDir . '/../lib/Command/Put.php',
     'OCA\\Files\\Command\\RepairTree' => $baseDir . '/../lib/Command/RepairTree.php',
     'OCA\\Files\\Command\\Scan' => $baseDir . '/../lib/Command/Scan.php',
     'OCA\\Files\\Command\\ScanAppData' => $baseDir . '/../lib/Command/ScanAppData.php',
diff --git a/apps/files/composer/composer/autoload_static.php b/apps/files/composer/composer/autoload_static.php
index 0946a5c39c2..e7b822e386d 100644
--- a/apps/files/composer/composer/autoload_static.php
+++ b/apps/files/composer/composer/autoload_static.php
@@ -42,7 +42,10 @@ class ComposerStaticInitFiles
         'OCA\\Files\\Capabilities' => __DIR__ . '/..' . '/../lib/Capabilities.php',
         'OCA\\Files\\Collaboration\\Resources\\Listener' => __DIR__ . '/..' . '/../lib/Collaboration/Resources/Listener.php',
         'OCA\\Files\\Collaboration\\Resources\\ResourceProvider' => __DIR__ . '/..' . '/../lib/Collaboration/Resources/ResourceProvider.php',
+        'OCA\\Files\\Command\\Delete' => __DIR__ . '/..' . '/../lib/Command/Delete.php',
         'OCA\\Files\\Command\\DeleteOrphanedFiles' => __DIR__ . '/..' . '/../lib/Command/DeleteOrphanedFiles.php',
+        'OCA\\Files\\Command\\Get' => __DIR__ . '/..' . '/../lib/Command/Get.php',
+        'OCA\\Files\\Command\\Put' => __DIR__ . '/..' . '/../lib/Command/Put.php',
         'OCA\\Files\\Command\\RepairTree' => __DIR__ . '/..' . '/../lib/Command/RepairTree.php',
         'OCA\\Files\\Command\\Scan' => __DIR__ . '/..' . '/../lib/Command/Scan.php',
         'OCA\\Files\\Command\\ScanAppData' => __DIR__ . '/..' . '/../lib/Command/ScanAppData.php',
diff --git a/apps/files/lib/Command/Delete.php b/apps/files/lib/Command/Delete.php
new file mode 100644
index 00000000000..da535568702
--- /dev/null
+++ b/apps/files/lib/Command/Delete.php
@@ -0,0 +1,116 @@
+<?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;
+
+use OC\Core\Command\Info\FileUtils;
+use OCA\Files_Sharing\SharedStorage;
+use OCP\Files\Folder;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\ConfirmationQuestion;
+
+class Delete extends Command {
+	private FileUtils $fileUtils;
+
+	public function __construct(FileUtils $fileUtils) {
+		$this->fileUtils = $fileUtils;
+		parent::__construct();
+	}
+
+	protected function configure(): void {
+		$this
+			->setName('files:delete')
+			->setDescription('Delete a file or folder')
+			->addArgument('file', InputArgument::REQUIRED, "File id or path")
+			->addOption('force', 'f', InputOption::VALUE_NONE, "Don't ask for configuration and don't output any warnings");
+	}
+
+	public function execute(InputInterface $input, OutputInterface $output): int {
+		$fileInput = $input->getArgument('file');
+		$inputIsId = is_numeric($fileInput);
+		$force = $input->getOption('force');
+		$node = $this->fileUtils->getNode($fileInput);
+
+		if (!$node) {
+			$output->writeln("<error>file $fileInput not found</error>");
+			return 1;
+		}
+
+		$deleteConfirmed = $force;
+		if (!$deleteConfirmed) {
+			/** @var QuestionHelper $helper */
+			$helper = $this->getHelper('question');
+			$storage = $node->getStorage();
+			if (!$inputIsId && $storage->instanceOfStorage(SharedStorage::class) && $node->getInternalPath() === '') {
+				/** @var SharedStorage $storage */
+				[,$user] = explode('/', $fileInput, 3);
+				$question = new ConfirmationQuestion("<info>$fileInput</info> in a shared file, do you want to unshare the file from <info>$user</info> instead of deleting the source file? [Y/n] ", true);
+				if ($helper->ask($input, $output, $question)) {
+					$storage->unshareStorage();
+					return 0;
+				} else {
+					$node = $storage->getShare()->getNode();
+					$output->writeln("");
+				}
+			}
+
+			$filesByUsers = $this->fileUtils->getFilesByUser($node);
+			if (count($filesByUsers) > 1) {
+				$output->writeln("Warning: the provided file is accessible by more than one user");
+				$output->writeln("  all of the following users will lose access to the file when deleted:");
+				$output->writeln("");
+				foreach ($filesByUsers as $user => $filesByUser) {
+					$output->writeln($user . ":");
+					foreach($filesByUser as $file) {
+						$output->writeln("  - " . $file->getPath());
+					}
+				}
+				$output->writeln("");
+			}
+
+			if ($node instanceof Folder) {
+				$maybeContents = " and all it's contents";
+			} else {
+				$maybeContents = "";
+			}
+			$question = new ConfirmationQuestion("Delete " . $node->getPath() . $maybeContents . "? [y/N] ", false);
+			$deleteConfirmed = $helper->ask($input, $output, $question);
+		}
+
+		if ($deleteConfirmed) {
+			if ($node->isDeletable()) {
+				$node->delete();
+			} else {
+				$output->writeln("<error>File cannot be deleted, insufficient permissions.</error>");
+			}
+		}
+
+		return 0;
+	}
+
+}
diff --git a/apps/files/lib/Command/Get.php b/apps/files/lib/Command/Get.php
new file mode 100644
index 00000000000..7bdb4cb59ee
--- /dev/null
+++ b/apps/files/lib/Command/Get.php
@@ -0,0 +1,89 @@
+<?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;
+
+
+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 {
+	private FileUtils $fileUtils;
+
+	public function __construct(FileUtils $fileUtils) {
+		$this->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 $fileInput not found</error>");
+			return 1;
+		}
+
+		if ($node instanceof File) {
+			$isTTY = stream_isatty(STDOUT);
+			if ($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 1;
+			}
+			$source = $node->fopen('r');
+			if (!$source) {
+				$output->writeln("<error>Failed to open $fileInput for reading</error>");
+				return 1;
+			}
+			$target = ($outputName === null || $outputName === '-') ? STDOUT : fopen($outputName, 'w');
+			if (!$target) {
+				$output->writeln("<error>Failed to open $outputName for reading</error>");
+				return 1;
+			}
+
+			stream_copy_to_stream($source, $target);
+			return 0;
+		} else {
+			$output->writeln("<error>$fileInput is a directory</error>");
+			return 1;
+		}
+	}
+
+}
diff --git a/apps/files/lib/Command/Put.php b/apps/files/lib/Command/Put.php
new file mode 100644
index 00000000000..f89ab8fb436
--- /dev/null
+++ b/apps/files/lib/Command/Put.php
@@ -0,0 +1,86 @@
+<?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;
+
+
+use OC\Core\Command\Info\FileUtils;
+use OCP\Files\File;
+use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
+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 Put extends Command {
+	private FileUtils $fileUtils;
+	private IRootFolder $rootFolder;
+
+	public function __construct(FileUtils $fileUtils, IRootFolder $rootFolder) {
+		$this->fileUtils = $fileUtils;
+		$this->rootFolder = $rootFolder;
+		parent::__construct();
+	}
+
+	protected function configure(): void {
+		$this
+			->setName('files:put')
+			->setDescription('Write contents of a file')
+			->addArgument('input', InputArgument::REQUIRED, "Source local path, use - to read from STDIN")
+			->addArgument('file', InputArgument::REQUIRED, "Target Nextcloud file path to write to or fileid of existing file");
+	}
+
+	public function execute(InputInterface $input, OutputInterface $output): int {
+		$fileOutput = $input->getArgument('file');
+		$inputName = $input->getArgument('input');
+		$node = $this->fileUtils->getNode($fileOutput);
+
+		if ($node instanceof Folder) {
+			$output->writeln("<error>$fileOutput is a folder</error>");
+			return 1;
+		}
+		if (!$node and is_numeric($fileOutput)) {
+			$output->writeln("<error>$fileOutput not found</error>");
+			return 1;
+		}
+
+		$source = ($inputName === null || $inputName === '-') ? STDIN : fopen($inputName, 'r');
+		if (!$source) {
+			$output->writeln("<error>Failed to open $inputName</error>");
+			return 1;
+		}
+		if ($node instanceof File) {
+			$target = $node->fopen('w');
+			if (!$target) {
+				$output->writeln("<error>Failed to open $fileOutput</error>");
+				return 1;
+			}
+			stream_copy_to_stream($source, $target);
+		} else {
+			$this->rootFolder->newFile($fileOutput, $source);
+		}
+		return 0;
+	}
+
+}