owncloud/core

<?php
/**
 * @author Jörn Friedrich Dreyer <jfd@butonic.de>
 * @author Lukas Reschke <lukas@statuscode.ch>
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 * @author Vincent Petry <pvince81@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @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/>
 *
 */
OCP\JSON::checkLoggedIn();
\OC::$server->getSession()->close();
$l = \OC::$server->getL10N('files');

// Load the files
$dir = isset($_GET['dir']) ? (string)$_GET['dir'] : '';
$dir = \OC\Files\Filesystem::normalizePath($dir);

try {
    $dirInfo = \OC\Files\Filesystem::getFileInfo($dir);
    if (!$dirInfo || !$dirInfo->getType() === 'dir') {
        \http_response_code(404);
        exit();
    }

    $data = [];
    $baseUrl = OCP\Util::linkTo('files', 'index.php') . '?dir=';

    $permissions = $dirInfo->getPermissions();

    $sortAttribute = isset($_GET['sort']) ? (string)$_GET['sort'] : 'name';
    $sortDirection = isset($_GET['sortdirection']) ? ($_GET['sortdirection'] === 'desc') : false;
    $mimetypeFilters = isset($_GET['mimetypes']) ? \json_decode($_GET['mimetypes']) : '';

    $files = [];
    // Clean up duplicates from array
    if (\is_array($mimetypeFilters) && \count($mimetypeFilters)) {
        $mimetypeFilters = \array_unique($mimetypeFilters);

        if (!\in_array('httpd/unix-directory', $mimetypeFilters)) {
            // append folder filter to be able to browse folders
            $mimetypeFilters[] = 'httpd/unix-directory';
        }

        // create filelist with mimetype filter - as getFiles only supports on
        // mimetype filter at once we will filter this folder for each
        // mimetypeFilter
        foreach ($mimetypeFilters as $mimetypeFilter) {
            $files = \array_merge($files, \OCA\Files\Helper::getFiles($dir, $sortAttribute, $sortDirection, $mimetypeFilter));
        }

        // sort the files accordingly
        $files = \OCA\Files\Helper::sortFiles($files, $sortAttribute, $sortDirection);
    } else {
        // create file list without mimetype filter
        $files = \OCA\Files\Helper::getFiles($dir, $sortAttribute, $sortDirection);
    }

    $data['directory'] = $dir;
    $data['files'] = \OCA\Files\Helper::formatFileInfos($files);
    $data['permissions'] = $permissions;

    OCP\JSON::success(['data' => $data]);
} catch (\OCP\Files\StorageNotAvailableException $e) {
    \OCP\Util::logException('files', $e);
    OCP\JSON::error([
        'data' => [
            'exception' => '\OCP\Files\StorageNotAvailableException',
            'message' => $l->t('Storage is temporarily not available')
        ]
    ]);
} catch (\OCP\Files\StorageInvalidException $e) {
    \OCP\Util::logException('files', $e);
    OCP\JSON::error([
        'data' => [
            'exception' => '\OCP\Files\StorageInvalidException',
            'message' => $l->t('Storage invalid')
        ]
    ]);
} catch (\Exception $e) {
    \OCP\Util::logException('files', $e);
    OCP\JSON::error([
        'data' => [
            'exception' => '\Exception',
            'message' => $l->t('Unknown error')
        ]
    ]);
}