server/apps/files_versions/lib/Versions/LegacyVersionsBackend.php
Roeland Jago Douma 6415532508
Allow shared versions again in legacy backend
To make sure that the versions in the legacy backend are shared again we
have to check the storage of a file. Since all shared files are still on
the owners storage.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
2019-01-25 21:10:46 +01:00

118 lines
3.9 KiB
PHP

<?php declare(strict_types=1);
/**
* @copyright Copyright (c) 2018 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_Versions\Versions;
use OC\Files\View;
use OCA\Files_Sharing\SharedStorage;
use OCA\Files_Versions\Storage;
use OCP\Files\File;
use OCP\Files\FileInfo;
use OCP\Files\Folder;
use OCP\Files\IRootFolder;
use OCP\Files\NotFoundException;
use OCP\IUser;
use OCP\IUserManager;
class LegacyVersionsBackend implements IVersionBackend {
/** @var IRootFolder */
private $rootFolder;
/** @var IUserManager */
private $userManager;
public function __construct(IRootFolder $rootFolder, IUserManager $userManager) {
$this->rootFolder = $rootFolder;
$this->userManager = $userManager;
}
public function getVersionsForFile(IUser $user, FileInfo $file): array {
$storage = $file->getStorage();
if ($storage->instanceOfStorage(SharedStorage::class)) {
$owner = $storage->getOwner('');
$user = $this->userManager->get($owner);
}
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
$nodes = $userFolder->getById($file->getId());
$file2 = array_pop($nodes);
$versions = Storage::getVersions($user->getUID(), $userFolder->getRelativePath($file2->getPath()));
return array_map(function (array $data) use ($file, $user) {
return new Version(
(int)$data['version'],
(int)$data['version'],
$data['name'],
(int)$data['size'],
$data['mimetype'],
$data['path'],
$file,
$this,
$user
);
}, $versions);
}
public function createVersion(IUser $user, FileInfo $file) {
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
$relativePath = $userFolder->getRelativePath($file->getPath());
$userView = new View('/' . $user->getUID());
// create all parent folders
Storage::createMissingDirectories($relativePath, $userView);
Storage::scheduleExpire($user->getUID(), $relativePath);
// store a new version of a file
$userView->copy('files/' . $relativePath, 'files_versions/' . $relativePath . '.v' . $file->getMtime());
// ensure the file is scanned
$userView->getFileInfo('files_versions/' . $relativePath . '.v' . $file->getMtime());
}
public function rollback(IVersion $version) {
return Storage::rollback($version->getVersionPath(), $version->getRevisionId());
}
private function getVersionFolder(IUser $user): Folder {
$userRoot = $this->rootFolder->getUserFolder($user->getUID())
->getParent();
try {
/** @var Folder $folder */
$folder = $userRoot->get('files_versions');
return $folder;
} catch (NotFoundException $e) {
return $userRoot->newFolder('files_versions');
}
}
public function read(IVersion $version) {
$versions = $this->getVersionFolder($version->getUser());
/** @var File $file */
$file = $versions->get($version->getVersionPath() . '.v' . $version->getRevisionId());
return $file->fopen('r');
}
public function getVersionFile(IUser $user, FileInfo $sourceFile, int $revision): File {
$userFolder = $this->rootFolder->getUserFolder($user->getUID());
$versionFolder = $this->getVersionFolder($user);
/** @var File $file */
$file = $versionFolder->get($userFolder->getRelativePath($sourceFile->getPath()) . '.v' . $revision);
return $file;
}
}