Files
deck/lib/Collaboration/Resources/ResourceProvider.php
2024-01-09 19:38:06 +01:00

132 lines
3.8 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
*
* @author Julius Härtl <jus@bitgrid.net>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Deck\Collaboration\Resources;
use OCA\Deck\Db\Acl;
use OCA\Deck\Db\BoardMapper;
use OCA\Deck\Service\PermissionService;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\MultipleObjectsReturnedException;
use OCP\AppFramework\QueryException;
use OCP\Collaboration\Resources\IManager;
use OCP\Collaboration\Resources\IProvider;
use OCP\Collaboration\Resources\IResource;
use OCP\IUser;
class ResourceProvider implements IProvider {
public const RESOURCE_TYPE = 'deck';
private $boardMapper;
private $permissionService;
/** @var array */
protected $nodes = [];
public function __construct(BoardMapper $boardMapper, PermissionService $permissionService) {
$this->boardMapper = $boardMapper;
$this->permissionService = $permissionService;
}
/**
* Get the type of a resource
*
* @param IResource $resource
* @return string
* @since 15.0.0
*/
public function getType(): string {
return self::RESOURCE_TYPE;
}
/**
* Get the rich object data of a resource
*
* @param IResource $resource
* @return array
* @throws \OCP\AppFramework\Db\DoesNotExistException
* @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException
* @since 16.0.0
*/
public function getResourceRichObject(IResource $resource): array {
$board = $this->getBoard($resource);
$link = \OC::$server->getURLGenerator()->linkToRoute('deck.page.index') . '#/board/' . $resource->getId();
return [
'type' => self::RESOURCE_TYPE,
'id' => $resource->getId(),
'name' => $board->getTitle(),
'link' => $link,
'iconUrl' => \OC::$server->getURLGenerator()->imagePath('deck', 'deck-dark.svg')
];
}
/**
* Can a user/guest access the collection
*
* @param IResource $resource
* @param IUser|null $user
* @return bool
* @since 16.0.0
*/
public function canAccessResource(IResource $resource, ?IUser $user): bool {
if ($resource->getType() !== self::RESOURCE_TYPE || !$user instanceof IUser) {
return false;
}
$board = $this->getBoard($resource);
if ($board === null) {
return false;
}
if ($board->getOwner() === $user->getUID()) {
return true;
}
if ($board->getAcl() === null) {
return false;
}
return $this->permissionService->userCan($board->getAcl(), Acl::PERMISSION_READ, $user->getUID());
}
private function getBoard(IResource $resource) {
try {
return $this->boardMapper->find((int)$resource->getId(), false, true);
} catch (DoesNotExistException $e) {
} catch (MultipleObjectsReturnedException $e) {
return null;
}
}
public function invalidateAccessCache($boardId = null) {
try {
/** @var IManager $resourceManager */
$resourceManager = \OC::$server->query(IManager::class);
} catch (QueryException $e) {
}
if ($boardId !== null) {
$resource = $resourceManager->getResourceForUser(self::RESOURCE_TYPE, (string)$boardId, null);
$resourceManager->invalidateAccessCacheForResource($resource);
} else {
$resourceManager->invalidateAccessCacheForProvider($this);
}
}
}