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181 lines
4.5 KiB
181 lines
4.5 KiB
<?php |
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declare(strict_types=1); |
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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 Morris Jobke <hey@morrisjobke.de> |
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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 OC\Core\Controller; |
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use OCP\AppFramework\Controller; |
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use OCP\AppFramework\Utility\ITimeFactory; |
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use OCP\Files\File; |
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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\IRootFolder; |
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use OCP\Files\Node; |
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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 string */ |
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private $userId; |
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/** @var IRootFolder */ |
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private $root; |
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/** @var IPreview */ |
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private $preview; |
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/** |
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* PreviewController constructor. |
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* |
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* @param string $appName |
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* @param IRequest $request |
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* @param IPreview $preview |
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* @param IRootFolder $root |
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* @param string $userId |
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* @param ITimeFactory $timeFactory |
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*/ |
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public function __construct(string $appName, |
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IRequest $request, |
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IPreview $preview, |
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IRootFolder $root, |
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?string $userId |
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) { |
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parent::__construct($appName, $request); |
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$this->preview = $preview; |
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$this->root = $root; |
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$this->userId = $userId; |
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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 bool $a |
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* @param bool $forceIcon |
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* @param string $mode |
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* @return DataResponse|FileDisplayResponse |
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*/ |
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public function getPreview ( |
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string $file = '', |
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int $x = 32, |
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int $y = 32, |
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bool $a = false, |
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bool $forceIcon = true, |
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string $mode = 'fill'): Http\Response { |
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if ($file === '' || $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 = $this->root->getUserFolder($this->userId); |
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$node = $userFolder->get($file); |
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} catch (NotFoundException $e) { |
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return new DataResponse([], Http::STATUS_NOT_FOUND); |
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} |
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return $this->fetchPreview($node, $x, $y, $a, $forceIcon, $mode); |
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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 int $fileId |
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* @param int $x |
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* @param int $y |
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* @param bool $a |
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* @param bool $forceIcon |
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* @param string $mode |
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* |
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* @return DataResponse|FileDisplayResponse |
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*/ |
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public function getPreviewByFileId( |
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int $fileId = -1, |
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int $x = 32, |
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int $y = 32, |
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bool $a = false, |
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bool $forceIcon = true, |
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string $mode = 'fill') { |
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if ($fileId === -1 || $x === 0 || $y === 0) { |
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return new DataResponse([], Http::STATUS_BAD_REQUEST); |
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} |
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$userFolder = $this->root->getUserFolder($this->userId); |
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$nodes = $userFolder->getById($fileId); |
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if (\count($nodes) === 0) { |
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return new DataResponse([], Http::STATUS_NOT_FOUND); |
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} |
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$node = array_pop($nodes); |
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return $this->fetchPreview($node, $x, $y, $a, $forceIcon, $mode); |
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} |
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/** |
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* @param Node $node |
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* @param int $x |
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* @param int $y |
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* @param bool $a |
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* @param bool $forceIcon |
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* @param string $mode |
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* @return DataResponse|FileDisplayResponse |
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*/ |
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private function fetchPreview( |
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Node $node, |
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int $x, |
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int $y, |
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bool $a = false, |
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bool $forceIcon = true, |
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string $mode) : Http\Response { |
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if (!($node instanceof File) || (!$forceIcon && !$this->preview->isAvailable($node))) { |
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return new DataResponse([], Http::STATUS_NOT_FOUND); |
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} |
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if (!$node->isReadable()) { |
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return new DataResponse([], Http::STATUS_FORBIDDEN); |
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} |
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try { |
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$f = $this->preview->getPreview($node, $x, $y, !$a, $mode); |
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$response = new FileDisplayResponse($f, Http::STATUS_OK, ['Content-Type' => $f->getMimeType()]); |
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$response->cacheFor(3600 * 24); |
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return $response; |
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} catch (NotFoundException $e) { |
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return new DataResponse([], Http::STATUS_NOT_FOUND); |
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} catch (\InvalidArgumentException $e) { |
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return new DataResponse([], Http::STATUS_BAD_REQUEST); |
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} |
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} |
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}
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