|
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176 |
- <?php
- /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Joas Schilling <coding@schilljs.com>
- * @author Lukas Reschke <lukas@statuscode.ch>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- * @author Vincent Petry <vincent@nextcloud.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 OCP\IUser;
- use OCP\SystemTag\ISystemTag;
- use OCP\SystemTag\ISystemTagManager;
- use OCP\SystemTag\TagAlreadyExistsException;
-
- use OCP\SystemTag\TagNotFoundException;
- use Sabre\DAV\Exception\Conflict;
- use Sabre\DAV\Exception\Forbidden;
- use Sabre\DAV\Exception\MethodNotAllowed;
- use Sabre\DAV\Exception\NotFound;
-
- /**
- * DAV node representing a system tag, with the name being the tag id.
- */
- class SystemTagNode implements \Sabre\DAV\INode {
-
- /**
- * @var ISystemTag
- */
- protected $tag;
-
- /**
- * @var ISystemTagManager
- */
- protected $tagManager;
-
- /**
- * User
- *
- * @var IUser
- */
- protected $user;
-
- /**
- * Whether to allow permissions for admins
- *
- * @var bool
- */
- protected $isAdmin;
-
- /**
- * Sets up the node, expects a full path name
- *
- * @param ISystemTag $tag system tag
- * @param IUser $user user
- * @param bool $isAdmin whether to allow operations for admins
- * @param ISystemTagManager $tagManager tag manager
- */
- public function __construct(ISystemTag $tag, IUser $user, $isAdmin, ISystemTagManager $tagManager) {
- $this->tag = $tag;
- $this->user = $user;
- $this->isAdmin = $isAdmin;
- $this->tagManager = $tagManager;
- }
-
- /**
- * Returns the id of the tag
- *
- * @return string
- */
- public function getName() {
- return $this->tag->getId();
- }
-
- /**
- * Returns the system tag represented by this node
- *
- * @return ISystemTag system tag
- */
- public function getSystemTag() {
- return $this->tag;
- }
-
- /**
- * Renames the node
- *
- * @param string $name The new name
- *
- * @throws MethodNotAllowed not allowed to rename node
- */
- public function setName($name) {
- throw new MethodNotAllowed();
- }
-
- /**
- * Update tag
- *
- * @param string $name new tag name
- * @param bool $userVisible user visible
- * @param bool $userAssignable user assignable
- * @throws NotFound whenever the given tag id does not exist
- * @throws Forbidden whenever there is no permission to update said tag
- * @throws Conflict whenever a tag already exists with the given attributes
- */
- public function update($name, $userVisible, $userAssignable) {
- try {
- if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
- throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
- }
- if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) {
- throw new Forbidden('No permission to update tag ' . $this->tag->getId());
- }
-
- // only admin is able to change permissions, regular users can only rename
- if (!$this->isAdmin) {
- // only renaming is allowed for regular users
- if ($userVisible !== $this->tag->isUserVisible()
- || $userAssignable !== $this->tag->isUserAssignable()
- ) {
- throw new Forbidden('No permission to update permissions for tag ' . $this->tag->getId());
- }
- }
-
- $this->tagManager->updateTag($this->tag->getId(), $name, $userVisible, $userAssignable);
- } catch (TagNotFoundException $e) {
- throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist');
- } catch (TagAlreadyExistsException $e) {
- throw new Conflict(
- 'Tag with the properties "' . $name . '", ' .
- $userVisible . ', ' . $userAssignable . ' already exists'
- );
- }
- }
-
- /**
- * Returns null, not supported
- *
- */
- public function getLastModified() {
- return null;
- }
-
- public function delete() {
- try {
- if (!$this->isAdmin) {
- throw new Forbidden('No permission to delete tag ' . $this->tag->getId());
- }
-
- if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) {
- throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found');
- }
-
- $this->tagManager->deleteTags($this->tag->getId());
- } catch (TagNotFoundException $e) {
- // can happen if concurrent deletion occurred
- throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e);
- }
- }
- }
|