nextcloud/apps/files_sharing/lib/share/file.php

128 lines
4.0 KiB
PHP

<?php
/**
* ownCloud
*
* @author Michael Gapczynski
* @copyright 2012 Michael Gapczynski mtgap@owncloud.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*/
class OC_Share_Backend_File implements OCP\Share_Backend_File_Dependent {
const FORMAT_SHARED_STORAGE = 0;
const FORMAT_FILE_APP = 1;
const FORMAT_FILE_APP_ROOT = 2;
const FORMAT_OPENDIR = 3;
private $path;
public function isValidSource($itemSource, $uidOwner) {
$path = OC_FileCache::getPath($itemSource, $uidOwner);
if ($path) {
$this->path = $path;
return true;
}
return false;
}
public function getFilePath($itemSource, $uidOwner) {
if (isset($this->path)) {
$path = $this->path;
$this->path = null;
return $path;
}
return false;
}
public function generateTarget($filePath, $shareWith, $exclude = null) {
$target = '/'.basename($filePath);
if (isset($exclude)) {
if ($pos = strrpos($target, '.')) {
$name = substr($target, 0, $pos);
$ext = substr($target, $pos);
} else {
$name = $target;
$ext = '';
}
$i = 2;
$append = '';
while (in_array($name.$append.$ext, $exclude)) {
$append = ' ('.$i.')';
$i++;
}
$target = $name.$append.$ext;
}
return $target;
}
public function formatItems($items, $format, $parameters = null) {
if ($format == self::FORMAT_SHARED_STORAGE) {
// Only 1 item should come through for this format call
return array('path' => $items[key($items)]['path'], 'permissions' => $items[key($items)]['permissions']);
} else if ($format == self::FORMAT_FILE_APP) {
if (isset($parameters['mimetype_filter']) && $parameters['mimetype_filter']) {
$mimetype_filter = $parameters['mimetype_filter'];
}
$files = array();
foreach ($items as $item) {
if (isset($mimetype_filter)
&& strpos($item['mimetype'], $mimetype_filter) !== 0
&& $item['mimetype'] != 'httpd/unix-directory') {
continue;
}
$file = array();
$file['id'] = $item['file_source'];
$file['path'] = $item['file_target'];
$file['name'] = basename($item['file_target']);
$file['ctime'] = $item['ctime'];
$file['mtime'] = $item['mtime'];
$file['mimetype'] = $item['mimetype'];
$file['size'] = $item['size'];
$file['encrypted'] = $item['encrypted'];
$file['versioned'] = $item['versioned'];
$file['directory'] = $parameters['folder'];
$file['type'] = ($item['mimetype'] == 'httpd/unix-directory') ? 'dir' : 'file';
$file['permissions'] = $item['permissions'];
if ($file['type'] == 'file') {
// Remove Create permission if type is file
$file['permissions'] &= ~OCP\PERMISSION_CREATE;
}
// NOTE: Temporary fix to allow unsharing of files in root of Shared directory
$file['permissions'] |= OCP\PERMISSION_DELETE;
$files[] = $file;
}
return $files;
} else if ($format == self::FORMAT_FILE_APP_ROOT) {
$mtime = 0;
$size = 0;
foreach ($items as $item) {
if ($item['mtime'] > $mtime) {
$mtime = $item['mtime'];
}
$size += $item['size'];
}
return array(0 => array('id' => -1, 'name' => 'Shared', 'mtime' => $mtime, 'mimetype' => 'httpd/unix-directory', 'size' => $size, 'writable' => false, 'type' => 'dir', 'directory' => '', 'permissions' => OCP\PERMISSION_READ));
} else if ($format == self::FORMAT_OPENDIR) {
$files = array();
foreach ($items as $item) {
$files[] = basename($item['file_target']);
}
return $files;
}
return array();
}
}