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<?php
/**
* @copyright Copyright (c) 2016, ownCloud GmbH
*
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Roeland Jago Douma <roeland@famdouma.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/>
*
*/
namespace OCA\DAV\Avatars;
use OCP\IAvatarManager;
use Sabre\DAV\Exception\Forbidden;
use Sabre\DAV\Exception\MethodNotAllowed;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\ICollection;
use Sabre\Uri;
class AvatarHome implements ICollection {
/** @var array */
private $principalInfo;
/** @var IAvatarManager */
private $avatarManager;
/**
* AvatarHome constructor.
*
* @param array $principalInfo
* @param IAvatarManager $avatarManager
*/
public function __construct($principalInfo, IAvatarManager $avatarManager) {
$this->principalInfo = $principalInfo;
$this->avatarManager = $avatarManager;
}
public function createFile($name, $data = null) {
throw new Forbidden('Permission denied to create a file');
}
public function createDirectory($name) {
throw new Forbidden('Permission denied to create a folder');
}
public function getChild($name) {
$elements = pathinfo($name);
$ext = isset($elements['extension']) ? $elements['extension'] : '';
$size = (int)(isset($elements['filename']) ? $elements['filename'] : '64');
if (!in_array($ext, ['jpeg', 'png'], true)) {
throw new MethodNotAllowed('File format not allowed');
}
if ($size <= 0 || $size > 1024) {
throw new MethodNotAllowed('Invalid image size');
}
$avatar = $this->avatarManager->getAvatar($this->getName());
if ($avatar === null || !$avatar->exists()) {
throw new NotFound();
}
return new AvatarNode($size, $ext, $avatar);
}
public function getChildren() {
try {
return [
$this->getChild('96.jpeg')
];
} catch(NotFound $exception) {
return [];
}
}
public function childExists($name) {
try {
$ret = $this->getChild($name);
return $ret !== null;
} catch (NotFound $ex) {
return false;
} catch (MethodNotAllowed $ex) {
return false;
}
}
public function delete() {
throw new Forbidden('Permission denied to delete this folder');
}
public function getName() {
list(,$name) = Uri\split($this->principalInfo['uri']);
return $name;
}
public function setName($name) {
throw new Forbidden('Permission denied to rename this folder');
}
/**
* Returns the last modification time, as a unix timestamp
*
* @return int|null
*/
public function getLastModified() {
return null;
}
}
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