nextcloud/core/ajax/preview.php

68 lines
2.4 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Georg Ehrke <georg@owncloud.com>
* @author Joas Schilling <coding@schilljs.com>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
\OC_Util::checkLoggedIn();
\OC::$server->getSession()->close();
$file = array_key_exists('file', $_GET) ? (string)$_GET['file'] : '';
$maxX = array_key_exists('x', $_GET) ? (int)$_GET['x'] : '32';
$maxY = array_key_exists('y', $_GET) ? (int)$_GET['y'] : '32';
$scalingUp = array_key_exists('scalingup', $_GET) ? (bool)$_GET['scalingup'] : true;
$keepAspect = array_key_exists('a', $_GET) ? true : false;
$always = array_key_exists('forceIcon', $_GET) ? (bool)$_GET['forceIcon'] : true;
$mode = array_key_exists('mode', $_GET) ? $_GET['mode'] : 'fill';
if ($file === '') {
//400 Bad Request
\OC_Response::setStatus(400);
\OCP\Util::writeLog('core-preview', 'No file parameter was passed', \OCP\Util::DEBUG);
exit;
}
if ($maxX === 0 || $maxY === 0) {
//400 Bad Request
\OC_Response::setStatus(400);
\OCP\Util::writeLog('core-preview', 'x and/or y set to 0', \OCP\Util::DEBUG);
exit;
}
$info = \OC\Files\Filesystem::getFileInfo($file);
if (!$info instanceof OCP\Files\FileInfo || !$always && !\OC::$server->getPreviewManager()->isAvailable($info)) {
\OC_Response::setStatus(404);
} else if (!$info->isReadable()) {
\OC_Response::setStatus(403);
} else {
$preview = new \OC\Preview(\OC_User::getUser(), 'files');
$preview->setFile($file, $info);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->setMode($mode);
$preview->setKeepAspect($keepAspect);
$preview->showPreview();
}