1 files changed, 108 insertions, 0 deletions
diff --git a/apps/files_versions/lib/Sabre/VersionFile.php b/apps/files_versions/lib/Sabre/VersionFile.php
new file mode 100644
index 00000000000..faa03473648
--- /dev/null
+++ b/apps/files_versions/lib/Sabre/VersionFile.php
@@ -0,0 +1,108 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCA\Files_Versions\Sabre;
+
+use OCA\Files_Versions\Versions\IDeletableVersionBackend;
+use OCA\Files_Versions\Versions\IMetadataVersion;
+use OCA\Files_Versions\Versions\IMetadataVersionBackend;
+use OCA\Files_Versions\Versions\INameableVersion;
+use OCA\Files_Versions\Versions\INameableVersionBackend;
+use OCA\Files_Versions\Versions\IVersion;
+use OCA\Files_Versions\Versions\IVersionManager;
+use OCP\Files\NotFoundException;
+use Sabre\DAV\Exception\Forbidden;
+use Sabre\DAV\Exception\NotFound;
+use Sabre\DAV\IFile;
+
+class VersionFile implements IFile {
+	public function __construct(
+		private IVersion $version,
+		private IVersionManager $versionManager,
+	) {
+	}
+
+	public function put($data) {
+		throw new Forbidden();
+	}
+
+	public function get() {
+		try {
+			return $this->versionManager->read($this->version);
+		} catch (NotFoundException $e) {
+			throw new NotFound();
+		}
+	}
+
+	public function getContentType(): string {
+		return $this->version->getMimeType();
+	}
+
+	public function getETag(): string {
+		return (string)$this->version->getRevisionId();
+	}
+
+	/**
+	 * @psalm-suppress ImplementedReturnTypeMismatch \Sabre\DAV\IFile::getSize signature does not support 32bit
+	 * @return int|float
+	 */
+	public function getSize(): int|float {
+		return $this->version->getSize();
+	}
+
+	public function delete() {
+		if ($this->versionManager instanceof IDeletableVersionBackend) {
+			$this->versionManager->deleteVersion($this->version);
+		} else {
+			throw new Forbidden();
+		}
+	}
+
+	public function getName(): string {
+		return (string)$this->version->getRevisionId();
+	}
+
+	public function setName($name) {
+		throw new Forbidden();
+	}
+
+	public function setMetadataValue(string $key, string $value): bool {
+		$backend = $this->version->getBackend();
+
+		if ($backend instanceof IMetadataVersionBackend) {
+			$backend->setMetadataValue($this->version->getSourceFile(), $this->version->getTimestamp(), $key, $value);
+			return true;
+		} elseif ($key === 'label' && $backend instanceof INameableVersionBackend) {
+			$backend->setVersionLabel($this->version, $value);
+			return true;
+		} else {
+			return false;
+		}
+	}
+
+	public function getMetadataValue(string $key): ?string {
+		if ($this->version instanceof IMetadataVersion) {
+			return $this->version->getMetadataValue($key);
+		} elseif ($key === 'label' && $this->version instanceof INameableVersion) {
+			return $this->version->getLabel();
+		}
+		return null;
+	}
+
+	public function getLastModified(): int {
+		return $this->version->getTimestamp();
+	}
+
+	public function rollBack() {
+		$this->versionManager->rollback($this->version);
+	}
+
+	public function getVersion(): IVersion {
+		return $this->version;
+	}
+}