179 lines
4.2 KiB
PHP
179 lines
4.2 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
* @author Vincent Petry <pvince81@owncloud.com>
|
|
*
|
|
* @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\SystemTag;
|
|
|
|
use Sabre\DAV\Exception\Forbidden;
|
|
use Sabre\DAV\Exception\NotFound;
|
|
use Sabre\DAV\Exception\BadRequest;
|
|
use Sabre\DAV\ICollection;
|
|
use OCP\SystemTag\ISystemTagManager;
|
|
use OCP\SystemTag\ISystemTag;
|
|
use OCP\SystemTag\TagNotFoundException;
|
|
use OCP\IGroupManager;
|
|
use OCP\IUserSession;
|
|
|
|
class SystemTagsByIdCollection implements ICollection {
|
|
|
|
/**
|
|
* @var ISystemTagManager
|
|
*/
|
|
private $tagManager;
|
|
|
|
/**
|
|
* @var IGroupManager
|
|
*/
|
|
private $groupManager;
|
|
|
|
/**
|
|
* @var IUserSession
|
|
*/
|
|
private $userSession;
|
|
|
|
/**
|
|
* SystemTagsByIdCollection constructor.
|
|
*
|
|
* @param ISystemTagManager $tagManager
|
|
* @param IUserSession $userSession
|
|
* @param IGroupManager $groupManager
|
|
*/
|
|
public function __construct(
|
|
ISystemTagManager $tagManager,
|
|
IUserSession $userSession,
|
|
IGroupManager $groupManager
|
|
) {
|
|
$this->tagManager = $tagManager;
|
|
$this->userSession = $userSession;
|
|
$this->groupManager = $groupManager;
|
|
}
|
|
|
|
/**
|
|
* Returns whether the currently logged in user is an administrator
|
|
*
|
|
* @return bool true if the user is an admin
|
|
*/
|
|
private function isAdmin() {
|
|
$user = $this->userSession->getUser();
|
|
if ($user !== null) {
|
|
return $this->groupManager->isAdmin($user->getUID());
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param string $name
|
|
* @param resource|string $data Initial payload
|
|
* @throws Forbidden
|
|
*/
|
|
function createFile($name, $data = null) {
|
|
throw new Forbidden('Cannot create tags by id');
|
|
}
|
|
|
|
/**
|
|
* @param string $name
|
|
*/
|
|
function createDirectory($name) {
|
|
throw new Forbidden('Permission denied to create collections');
|
|
}
|
|
|
|
/**
|
|
* @param string $name
|
|
*/
|
|
function getChild($name) {
|
|
try {
|
|
$tag = $this->tagManager->getTagsByIds([$name]);
|
|
$tag = current($tag);
|
|
if (!$this->tagManager->canUserSeeTag($tag, $this->userSession->getUser())) {
|
|
throw new NotFound('Tag with id ' . $name . ' not found');
|
|
}
|
|
return $this->makeNode($tag);
|
|
} catch (\InvalidArgumentException $e) {
|
|
throw new BadRequest('Invalid tag id', 0, $e);
|
|
} catch (TagNotFoundException $e) {
|
|
throw new NotFound('Tag with id ' . $name . ' not found', 0, $e);
|
|
}
|
|
}
|
|
|
|
function getChildren() {
|
|
$visibilityFilter = true;
|
|
if ($this->isAdmin()) {
|
|
$visibilityFilter = null;
|
|
}
|
|
|
|
$tags = $this->tagManager->getAllTags($visibilityFilter);
|
|
return array_map(function($tag) {
|
|
return $this->makeNode($tag);
|
|
}, $tags);
|
|
}
|
|
|
|
/**
|
|
* @param string $name
|
|
*/
|
|
function childExists($name) {
|
|
try {
|
|
$tag = $this->tagManager->getTagsByIds([$name]);
|
|
$tag = current($tag);
|
|
if (!$this->tagManager->canUserSeeTag($tag, $this->userSession->getUser())) {
|
|
return false;
|
|
}
|
|
return true;
|
|
} catch (\InvalidArgumentException $e) {
|
|
throw new BadRequest('Invalid tag id', 0, $e);
|
|
} catch (TagNotFoundException $e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function delete() {
|
|
throw new Forbidden('Permission denied to delete this collection');
|
|
}
|
|
|
|
function getName() {
|
|
return 'systemtags';
|
|
}
|
|
|
|
function setName($name) {
|
|
throw new Forbidden('Permission denied to rename this collection');
|
|
}
|
|
|
|
/**
|
|
* Returns the last modification time, as a unix timestamp
|
|
*
|
|
* @return int
|
|
*/
|
|
function getLastModified() {
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* Create a sabre node for the given system tag
|
|
*
|
|
* @param ISystemTag $tag
|
|
*
|
|
* @return SystemTagNode
|
|
*/
|
|
private function makeNode(ISystemTag $tag) {
|
|
return new SystemTagNode($tag, $this->userSession->getUser(), $this->isAdmin(), $this->tagManager);
|
|
}
|
|
}
|