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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Joas Schilling <[email protected]> |
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* @author Lukas Reschke <[email protected]> |
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* @author Roeland Jago Douma <[email protected]> |
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* @author Vincent Petry <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OCA\DAV\SystemTag; |
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use OCP\IUser; |
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use OCP\SystemTag\ISystemTag; |
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use OCP\SystemTag\ISystemTagManager; |
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use OCP\SystemTag\TagAlreadyExistsException; |
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use OCP\SystemTag\TagNotFoundException; |
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use Sabre\DAV\Exception\Conflict; |
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use Sabre\DAV\Exception\Forbidden; |
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use Sabre\DAV\Exception\MethodNotAllowed; |
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use Sabre\DAV\Exception\NotFound; |
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/** |
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* DAV node representing a system tag, with the name being the tag id. |
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*/ |
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class SystemTagNode implements \Sabre\DAV\INode { |
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/** |
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* @var ISystemTag |
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*/ |
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protected $tag; |
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/** |
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* @var ISystemTagManager |
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*/ |
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protected $tagManager; |
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/** |
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* User |
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* |
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* @var IUser |
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*/ |
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protected $user; |
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/** |
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* Whether to allow permissions for admins |
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* |
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* @var bool |
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*/ |
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protected $isAdmin; |
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protected int $numberOfFiles = -1; |
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protected int $referenceFileId = -1; |
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/** |
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* Sets up the node, expects a full path name |
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* |
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* @param ISystemTag $tag system tag |
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* @param IUser $user user |
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* @param bool $isAdmin whether to allow operations for admins |
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* @param ISystemTagManager $tagManager tag manager |
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*/ |
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public function __construct(ISystemTag $tag, IUser $user, $isAdmin, ISystemTagManager $tagManager) { |
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$this->tag = $tag; |
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$this->user = $user; |
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$this->isAdmin = $isAdmin; |
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$this->tagManager = $tagManager; |
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} |
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/** |
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* Returns the id of the tag |
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* |
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* @return string |
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*/ |
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public function getName() { |
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return $this->tag->getId(); |
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} |
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/** |
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* Returns the system tag represented by this node |
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* |
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* @return ISystemTag system tag |
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*/ |
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public function getSystemTag() { |
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return $this->tag; |
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} |
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/** |
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* Renames the node |
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* |
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* @param string $name The new name |
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* |
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* @throws MethodNotAllowed not allowed to rename node |
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* |
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* @return never |
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*/ |
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public function setName($name) { |
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throw new MethodNotAllowed(); |
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} |
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/** |
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* Update tag |
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* |
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* @param string $name new tag name |
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* @param bool $userVisible user visible |
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* @param bool $userAssignable user assignable |
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* |
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* @throws NotFound whenever the given tag id does not exist |
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* @throws Forbidden whenever there is no permission to update said tag |
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* @throws Conflict whenever a tag already exists with the given attributes |
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*/ |
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public function update($name, $userVisible, $userAssignable): void { |
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try { |
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if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) { |
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throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist'); |
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} |
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if (!$this->tagManager->canUserAssignTag($this->tag, $this->user)) { |
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throw new Forbidden('No permission to update tag ' . $this->tag->getId()); |
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} |
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// only admin is able to change permissions, regular users can only rename |
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if (!$this->isAdmin) { |
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// only renaming is allowed for regular users |
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if ($userVisible !== $this->tag->isUserVisible() |
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|| $userAssignable !== $this->tag->isUserAssignable() |
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) { |
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throw new Forbidden('No permission to update permissions for tag ' . $this->tag->getId()); |
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} |
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} |
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$this->tagManager->updateTag($this->tag->getId(), $name, $userVisible, $userAssignable); |
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} catch (TagNotFoundException $e) { |
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throw new NotFound('Tag with id ' . $this->tag->getId() . ' does not exist'); |
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} catch (TagAlreadyExistsException $e) { |
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throw new Conflict( |
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'Tag with the properties "' . $name . '", ' . |
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$userVisible . ', ' . $userAssignable . ' already exists' |
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); |
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} |
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} |
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/** |
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* Returns null, not supported |
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* |
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* @return null |
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*/ |
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public function getLastModified() { |
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return null; |
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} |
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/** |
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* @return void |
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*/ |
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public function delete() { |
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try { |
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if (!$this->isAdmin) { |
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throw new Forbidden('No permission to delete tag ' . $this->tag->getId()); |
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} |
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if (!$this->tagManager->canUserSeeTag($this->tag, $this->user)) { |
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throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found'); |
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} |
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$this->tagManager->deleteTags($this->tag->getId()); |
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} catch (TagNotFoundException $e) { |
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// can happen if concurrent deletion occurred |
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throw new NotFound('Tag with id ' . $this->tag->getId() . ' not found', 0, $e); |
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} |
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} |
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public function getNumberOfFiles(): int { |
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return $this->numberOfFiles; |
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} |
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public function setNumberOfFiles(int $numberOfFiles): void { |
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$this->numberOfFiles = $numberOfFiles; |
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} |
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public function getReferenceFileId(): int { |
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return $this->referenceFileId; |
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} |
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public function setReferenceFileId(int $referenceFileId): void { |
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$this->referenceFileId = $referenceFileId; |
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} |
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} |
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nextcloud /
server
