mirror of https://github.com/nextcloud/photos
175 lines
5.0 KiB
PHP
175 lines
5.0 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
/**
|
|
* @copyright Copyright (c) 2022, Louis Chmn <louis@chmn.me>
|
|
*
|
|
* @author Louis Chmn <louis@chmn.me>
|
|
*
|
|
* @license AGPL-3.0-or-later
|
|
*
|
|
* 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\Photos\Controller;
|
|
|
|
use OCA\Photos\Album\AlbumMapper;
|
|
use OCA\Photos\AppInfo\Application;
|
|
use OCP\AppFramework\Controller;
|
|
use OCP\AppFramework\Http;
|
|
use OCP\AppFramework\Http\DataResponse;
|
|
use OCP\AppFramework\Http\FileDisplayResponse;
|
|
use OCP\Files\File;
|
|
use OCP\Files\Folder;
|
|
use OCP\Files\IRootFolder;
|
|
use OCP\Files\Node;
|
|
use OCP\Files\NotFoundException;
|
|
use OCP\IGroupManager;
|
|
use OCP\IPreview;
|
|
use OCP\IRequest;
|
|
use OCP\IUserSession;
|
|
|
|
class PreviewController extends Controller {
|
|
private IUserSession $userSession;
|
|
private ?Folder $userFolder;
|
|
private IRootFolder $rootFolder;
|
|
protected AlbumMapper $albumMapper;
|
|
private IPreview $preview;
|
|
private IGroupManager $groupManager;
|
|
|
|
public function __construct(
|
|
IRequest $request,
|
|
IUserSession $userSession,
|
|
?Folder $userFolder,
|
|
IRootFolder $rootFolder,
|
|
AlbumMapper $albumMapper,
|
|
IPreview $preview,
|
|
IGroupManager $groupManager
|
|
) {
|
|
parent::__construct(Application::APP_ID, $request);
|
|
|
|
$this->userSession = $userSession;
|
|
$this->userFolder = $userFolder;
|
|
$this->rootFolder = $rootFolder;
|
|
$this->albumMapper = $albumMapper;
|
|
$this->preview = $preview;
|
|
$this->groupManager = $groupManager;
|
|
}
|
|
/**
|
|
* @NoAdminRequired
|
|
* @NoCSRFRequired
|
|
* Render default index template
|
|
*
|
|
* @return DataResponse|FileDisplayResponse
|
|
*/
|
|
public function index(
|
|
int $fileId = -1,
|
|
int $x = 32,
|
|
int $y = 32
|
|
) {
|
|
if ($fileId === -1 || $x === 0 || $y === 0) {
|
|
return new DataResponse([], Http::STATUS_BAD_REQUEST);
|
|
}
|
|
|
|
$user = $this->userSession->getUser();
|
|
|
|
if ($user === null || $this->userFolder === null) {
|
|
return new DataResponse([], Http::STATUS_FORBIDDEN);
|
|
}
|
|
|
|
$nodes = $this->userFolder->getById($fileId);
|
|
|
|
/** @var \OCA\Photos\Album\AlbumInfo[] */
|
|
$checkedAlbums = [];
|
|
if (\count($nodes) === 0) {
|
|
$albumsOfCurrentUser = $this->albumMapper->getForUserAndFile($user->getUID(), $fileId);
|
|
$nodes = $this->getFileIdForAlbums($fileId, $albumsOfCurrentUser);
|
|
$checkedAlbums = $albumsOfCurrentUser;
|
|
}
|
|
|
|
if (\count($nodes) === 0) {
|
|
$receivedAlbums = $this->albumMapper->getAlbumsForCollaboratorIdAndFileId($user->getUID(), AlbumMapper::TYPE_USER, $fileId);
|
|
$receivedAlbums = array_udiff($receivedAlbums, $checkedAlbums, fn ($a, $b) => ($a->getId() - $b->getId()));
|
|
$nodes = $this->getFileIdForAlbums($fileId, $receivedAlbums);
|
|
$checkedAlbums = array_merge($checkedAlbums, $receivedAlbums);
|
|
}
|
|
|
|
if (\count($nodes) === 0) {
|
|
$userGroups = $this->groupManager->getUserGroupIds($user);
|
|
foreach ($userGroups as $groupId) {
|
|
$albumsForGroup = $this->albumMapper->getAlbumsForCollaboratorIdAndFileId($groupId, AlbumMapper::TYPE_GROUP, $fileId);
|
|
$albumsForGroup = array_udiff($albumsForGroup, $checkedAlbums, fn ($a, $b) => ($a->getId() - $b->getId()));
|
|
$nodes = $this->getFileIdForAlbums($fileId, $albumsForGroup);
|
|
$checkedAlbums = array_merge($checkedAlbums, $receivedAlbums);
|
|
if (\count($nodes) !== 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (\count($nodes) === 0) {
|
|
return new DataResponse([], Http::STATUS_NOT_FOUND);
|
|
}
|
|
|
|
$node = array_pop($nodes);
|
|
|
|
return $this->fetchPreview($node, $x, $y);
|
|
}
|
|
|
|
|
|
protected function getFileIdForAlbums($fileId, $albums) {
|
|
foreach ($albums as $album) {
|
|
$albumFile = $this->albumMapper->getForAlbumIdAndFileId($album->getId(), $fileId);
|
|
$nodes = $this->rootFolder
|
|
->getUserFolder($albumFile->getOwner())
|
|
->getById($fileId);
|
|
if (\count($nodes) !== 0) {
|
|
return $nodes;
|
|
}
|
|
}
|
|
|
|
return [];
|
|
}
|
|
|
|
/**
|
|
* @return DataResponse|FileDisplayResponse
|
|
*/
|
|
protected function fetchPreview(
|
|
Node $node,
|
|
int $x,
|
|
int $y
|
|
) : Http\Response {
|
|
if (!($node instanceof File) || !$this->preview->isAvailable($node)) {
|
|
return new DataResponse([], Http::STATUS_NOT_FOUND);
|
|
}
|
|
if (!$node->isReadable()) {
|
|
return new DataResponse([], Http::STATUS_FORBIDDEN);
|
|
}
|
|
|
|
try {
|
|
$f = $this->preview->getPreview($node, $x, $y);
|
|
$response = new FileDisplayResponse($f, Http::STATUS_OK, [
|
|
'Content-Type' => $f->getMimeType(),
|
|
]);
|
|
$response->cacheFor(3600 * 24, false, true);
|
|
return $response;
|
|
} catch (NotFoundException $e) {
|
|
return new DataResponse([], Http::STATUS_NOT_FOUND);
|
|
} catch (\InvalidArgumentException $e) {
|
|
return new DataResponse([], Http::STATUS_BAD_REQUEST);
|
|
}
|
|
}
|
|
}
|