nextcloud/apps/dav/lib/Avatars/AvatarHome.php

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<?php
/**
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @copyright Copyright (c) 2016, 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/>
*
*/
namespace OCA\DAV\Avatars;
use Sabre\DAV\Exception\Forbidden;
use Sabre\DAV\Exception\MethodNotAllowed;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\ICollection;
use Sabre\HTTP\URLUtil;
class AvatarHome implements ICollection {
private $principalInfo;
/**
* AvatarHome constructor.
*
* @param array $principalInfo
*/
public function __construct($principalInfo) {
$this->principalInfo = $principalInfo;
}
function createFile($name, $data = null) {
throw new Forbidden('Permission denied to create a file');
}
function createDirectory($name) {
throw new Forbidden('Permission denied to create a folder');
}
function getChild($name) {
$elements = pathinfo($name);
$ext = isset($elements['extension']) ? $elements['extension'] : '';
$size = intval(isset($elements['filename']) ? $elements['filename'] : '64');
if (!in_array($ext, ['jpeg', 'png'])) {
throw new MethodNotAllowed('File format not allowed');
}
if ($size <= 0 || $size > 1024) {
throw new MethodNotAllowed('Invalid image size');
}
$avatar = \OC::$server->getAvatarManager()->getAvatar($this->getName());
if (!$avatar->exists()) {
throw new NotFound();
}
return new AvatarNode($size, $ext, $avatar);
}
function getChildren() {
try {
return [
$this->getChild('96.jpeg')
];
} catch(NotFound $exception) {
return [];
}
}
function childExists($name) {
$ret = $this->getChild($name);
return !is_null($ret);
}
function delete() {
throw new Forbidden('Permission denied to delete this folder');
}
function getName() {
list(,$name) = URLUtil::splitPath($this->principalInfo['uri']);
return $name;
}
function setName($name) {
throw new Forbidden('Permission denied to rename this folder');
}
/**
* Returns the last modification time, as a unix timestamp
*
* @return int
*/
function getLastModified() {
return null;
}
}