1 files changed, 66 insertions, 0 deletions
diff --git a/lib/private/Files/Node/LazyUserFolder.php b/lib/private/Files/Node/LazyUserFolder.php
new file mode 100644
index 00000000000..77479c2fa5e
--- /dev/null
+++ b/lib/private/Files/Node/LazyUserFolder.php
@@ -0,0 +1,66 @@
+<?php
+
+declare(strict_types=1);
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OC\Files\Node;
+
+use OCP\Constants;
+use OCP\Files\File;
+use OCP\Files\FileInfo;
+use OCP\Files\Folder;
+use OCP\Files\IRootFolder;
+use OCP\Files\Mount\IMountManager;
+use OCP\Files\NotFoundException;
+use OCP\IUser;
+use Psr\Log\LoggerInterface;
+
+class LazyUserFolder extends LazyFolder {
+	private IUser $user;
+	private string $path;
+	private IMountManager $mountManager;
+
+	public function __construct(IRootFolder $rootFolder, IUser $user, IMountManager $mountManager) {
+		$this->user = $user;
+		$this->mountManager = $mountManager;
+		$this->path = '/' . $user->getUID() . '/files';
+		parent::__construct($rootFolder, function () use ($user): Folder {
+			try {
+				$node = $this->getRootFolder()->get($this->path);
+				if ($node instanceof File) {
+					$e = new \RuntimeException();
+					\OCP\Server::get(LoggerInterface::class)->error('User root storage is not a folder: ' . $this->path, [
+						'exception' => $e,
+					]);
+					throw $e;
+				}
+				return $node;
+			} catch (NotFoundException $e) {
+				if (!$this->getRootFolder()->nodeExists('/' . $user->getUID())) {
+					$this->getRootFolder()->newFolder('/' . $user->getUID());
+				}
+				return $this->getRootFolder()->newFolder($this->path);
+			}
+		}, [
+			'path' => $this->path,
+			// Sharing user root folder is not allowed
+			'permissions' => Constants::PERMISSION_ALL ^ Constants::PERMISSION_SHARE,
+			'type' => FileInfo::TYPE_FOLDER,
+			'mimetype' => FileInfo::MIMETYPE_FOLDER,
+		]);
+	}
+
+	public function getMountPoint() {
+		if ($this->folder !== null) {
+			return $this->folder->getMountPoint();
+		}
+		$mountPoint = $this->mountManager->find('/' . $this->user->getUID());
+		if (is_null($mountPoint)) {
+			throw new \Exception('No mountpoint for user folder');
+		}
+		return $mountPoint;
+	}
+}