nextcloud/apps/files_versions/ajax/preview.php

65 lines
2.3 KiB
PHP

<?php
/**
* @author Björn Schießle <schiessle@owncloud.com>
* @author Roeland Jago Douma <rullzer@owncloud.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @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();
if(!\OC_App::isEnabled('files_versions')){
exit;
}
$file = array_key_exists('file', $_GET) ? (string) urldecode($_GET['file']) : '';
$maxX = array_key_exists('x', $_GET) ? (int) $_GET['x'] : 44;
$maxY = array_key_exists('y', $_GET) ? (int) $_GET['y'] : 44;
$version = array_key_exists('version', $_GET) ? $_GET['version'] : '';
$scalingUp = array_key_exists('scalingup', $_GET) ? (bool) $_GET['scalingup'] : true;
if($file === '' && $version === '') {
\OC_Response::setStatus(400); //400 Bad Request
\OCP\Util::writeLog('versions-preview', 'No file parameter was passed', \OCP\Util::DEBUG);
exit;
}
if($maxX === 0 || $maxY === 0) {
\OC_Response::setStatus(400); //400 Bad Request
\OCP\Util::writeLog('versions-preview', 'x and/or y set to 0', \OCP\Util::DEBUG);
exit;
}
try {
list($user, $file) = \OCA\Files_Versions\Storage::getUidAndFilename($file);
$preview = new \OC\Preview($user, 'files_versions', $file.'.v'.$version);
$mimetype = \OC::$server->getMimeTypeDetector()->detectPath($file);
$preview->setMimetype($mimetype);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->showPreview();
} catch (\OCP\Files\NotFoundException $e) {
\OC_Response::setStatus(404);
\OCP\Util::writeLog('core', $e->getmessage(), \OCP\Util::DEBUG);
} catch (\Exception $e) {
\OC_Response::setStatus(500);
\OCP\Util::writeLog('core', $e->getmessage(), \OCP\Util::DEBUG);
}