1 files changed, 100 insertions, 0 deletions
diff --git a/apps/dav/lib/Direct/DirectFile.php b/apps/dav/lib/Direct/DirectFile.php
new file mode 100644
index 00000000000..7f41dd65f41
--- /dev/null
+++ b/apps/dav/lib/Direct/DirectFile.php
@@ -0,0 +1,100 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\DAV\Direct;
+
+use OCA\DAV\Db\Direct;
+use OCA\DAV\Events\BeforeFileDirectDownloadedEvent;
+use OCP\EventDispatcher\IEventDispatcher;
+use OCP\Files\File;
+use OCP\Files\IRootFolder;
+use Sabre\DAV\Exception\Forbidden;
+use Sabre\DAV\Exception\NotFound;
+use Sabre\DAV\IFile;
+
+class DirectFile implements IFile {
+	/** @var File */
+	private $file;
+
+	public function __construct(
+		private Direct $direct,
+		private IRootFolder $rootFolder,
+		private IEventDispatcher $eventDispatcher,
+	) {
+	}
+
+	public function put($data) {
+		throw new Forbidden();
+	}
+
+	public function get() {
+		$this->getFile();
+
+		$this->eventDispatcher->dispatchTyped(new BeforeFileDirectDownloadedEvent($this->file));
+
+		return $this->file->fopen('rb');
+	}
+
+	public function getContentType() {
+		$this->getFile();
+
+		return $this->file->getMimeType();
+	}
+
+	public function getETag() {
+		$this->getFile();
+
+		return $this->file->getEtag();
+	}
+
+	/**
+	 * @psalm-suppress ImplementedReturnTypeMismatch \Sabre\DAV\IFile::getSize signature does not support 32bit
+	 * @return int|float
+	 */
+	public function getSize() {
+		$this->getFile();
+
+		return $this->file->getSize();
+	}
+
+	public function delete() {
+		throw new Forbidden();
+	}
+
+	public function getName() {
+		return $this->direct->getToken();
+	}
+
+	public function setName($name) {
+		throw new Forbidden();
+	}
+
+	public function getLastModified() {
+		$this->getFile();
+
+		return $this->file->getMTime();
+	}
+
+	private function getFile() {
+		if ($this->file === null) {
+			$userFolder = $this->rootFolder->getUserFolder($this->direct->getUserId());
+			$file = $userFolder->getFirstNodeById($this->direct->getFileId());
+
+			if (!$file) {
+				throw new NotFound();
+			}
+			if (!$file instanceof File) {
+				throw new Forbidden('direct download not allowed on directories');
+			}
+
+			$this->file = $file;
+		}
+
+		return $this->file;
+	}
+}