132 lines
3.4 KiB
PHP
132 lines
3.4 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
|
|
*
|
|
* @author Roeland Jago Douma <roeland@famdouma.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 OC\Core\Controller;
|
|
|
|
use OCP\AppFramework\Controller;
|
|
use OCP\AppFramework\Utility\ITimeFactory;
|
|
use OCP\Files\File;
|
|
use OCP\AppFramework\Http;
|
|
use OCP\AppFramework\Http\DataResponse;
|
|
use OCP\AppFramework\Http\FileDisplayResponse;
|
|
use OCP\Files\IRootFolder;
|
|
use OCP\Files\NotFoundException;
|
|
use OCP\IPreview;
|
|
use OCP\IRequest;
|
|
|
|
class PreviewController extends Controller {
|
|
|
|
/** @var string */
|
|
private $userId;
|
|
|
|
/** @var IRootFolder */
|
|
private $root;
|
|
|
|
/** @var IPreview */
|
|
private $preview;
|
|
|
|
/** @var ITimeFactory */
|
|
private $timeFactory;
|
|
|
|
/**
|
|
* PreviewController constructor.
|
|
*
|
|
* @param string $appName
|
|
* @param IRequest $request
|
|
* @param IPreview $preview
|
|
* @param IRootFolder $root
|
|
* @param string $userId
|
|
*/
|
|
public function __construct($appName,
|
|
IRequest $request,
|
|
IPreview $preview,
|
|
IRootFolder $root,
|
|
$userId,
|
|
ITimeFactory $timeFactory
|
|
) {
|
|
parent::__construct($appName, $request);
|
|
|
|
$this->preview = $preview;
|
|
$this->root = $root;
|
|
$this->userId = $userId;
|
|
$this->timeFactory = $timeFactory;
|
|
}
|
|
|
|
/**
|
|
* @NoAdminRequired
|
|
* @NoCSRFRequired
|
|
*
|
|
* @param string $file
|
|
* @param int $x
|
|
* @param int $y
|
|
* @param bool $a
|
|
* @param bool $forceIcon
|
|
* @param string $mode
|
|
* @return DataResponse|Http\FileDisplayResponse
|
|
*/
|
|
public function getPreview(
|
|
$file = '',
|
|
$x = 32,
|
|
$y = 32,
|
|
$a = false,
|
|
$forceIcon = true,
|
|
$mode = 'fill') {
|
|
|
|
if ($file === '' || $x === 0 || $y === 0) {
|
|
return new DataResponse([], Http::STATUS_BAD_REQUEST);
|
|
}
|
|
|
|
try {
|
|
$userFolder = $this->root->getUserFolder($this->userId);
|
|
$file = $userFolder->get($file);
|
|
} catch (NotFoundException $e) {
|
|
return new DataResponse([], Http::STATUS_NOT_FOUND);
|
|
}
|
|
|
|
if (!($file instanceof File) || (!$forceIcon && !$this->preview->isAvailable($file))) {
|
|
return new DataResponse([], Http::STATUS_NOT_FOUND);
|
|
} else if (!$file->isReadable()) {
|
|
return new DataResponse([], Http::STATUS_FORBIDDEN);
|
|
}
|
|
|
|
try {
|
|
$f = $this->preview->getPreview($file, $x, $y, !$a, $mode);
|
|
$response = new FileDisplayResponse($f, Http::STATUS_OK, ['Content-Type' => $f->getMimeType()]);
|
|
|
|
// Let cache this!
|
|
$response->addHeader('Pragma', 'public');
|
|
|
|
// Cache previews for 24H
|
|
$response->cacheFor(3600 * 24);
|
|
$expires = new \DateTime();
|
|
$expires->setTimestamp($this->timeFactory->getTime());
|
|
$expires->add(new \DateInterval('P1D'));
|
|
$response->addHeader('Expires', $expires->format(\DateTime::RFC2822));
|
|
|
|
return $response;
|
|
} catch (NotFoundException $e) {
|
|
return new DataResponse([], Http::STATUS_NOT_FOUND);
|
|
}
|
|
|
|
}
|
|
}
|