112 lines
3.1 KiB
PHP
112 lines
3.1 KiB
PHP
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<?php
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/**
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* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Files_Versions\Controller;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\DataResponse;
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use OCP\AppFramework\Http\FileDisplayResponse;
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use OCP\Files\File;
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use OCP\Files\Folder;
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use OCP\Files\IMimeTypeDetector;
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use OCP\Files\IRootFolder;
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use OCP\Files\NotFoundException;
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use OCP\IPreview;
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use OCP\IRequest;
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class PreviewController extends Controller {
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/** @var IRootFolder */
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private $rootFolder;
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/** @var string */
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private $userId;
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/** @var IMimeTypeDetector */
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private $mimeTypeDetector;
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/** @var IPreview */
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private $previewManager;
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public function __construct($appName,
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IRequest $request,
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IRootFolder $rootFolder,
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$userId,
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IMimeTypeDetector $mimeTypeDetector,
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IPreview $previewManager) {
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parent::__construct($appName, $request);
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$this->rootFolder = $rootFolder;
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$this->userId = $userId;
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$this->mimeTypeDetector = $mimeTypeDetector;
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$this->previewManager = $previewManager;
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}
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/**
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* @NoAdminRequired
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* @NoCSRFRequired
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*
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* @param string $file
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* @param int $x
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* @param int $y
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* @param string $version
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* @return DataResponse|FileDisplayResponse
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*/
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public function getPreview(
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$file = '',
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$x = 44,
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$y = 44,
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$version = ''
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) {
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if($file === '' && $version === '') {
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return new DataResponse([], Http::STATUS_BAD_REQUEST);
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}
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if($x === 0 || $y === 0) {
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return new DataResponse([], Http::STATUS_BAD_REQUEST);
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}
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try {
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$userFolder = $this->rootFolder->getUserFolder($this->userId);
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/** @var Folder $versionFolder */
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$versionFolder = $userFolder->getParent()->get('files_versions');
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$mimeType = $this->mimeTypeDetector->detectPath($file);
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$file = $versionFolder->get($file.'.v'.$version);
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if ($file instanceof Folder) {
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return new DataResponse([], Http::STATUS_BAD_REQUEST);
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}
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/** @var File $file */
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$f = $this->previewManager->getPreview($file, $x, $y, true, IPreview::MODE_FILL, $mimeType);
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return new FileDisplayResponse($f, Http::STATUS_OK, ['Content-Type' => $f->getMimeType()]);
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} catch (NotFoundException $e) {
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return new DataResponse([], Http::STATUS_NOT_FOUND);
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} catch (\Exception $e) {
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return new DataResponse([], Http::STATUS_INTERNAL_SERVER_ERROR);
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}
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}
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}
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