132 lines
3.8 KiB
PHP
132 lines
3.8 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2019 Julius Härtl <jus@bitgrid.net>
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*
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* @author Julius Härtl <jus@bitgrid.net>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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 as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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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
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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\Deck\Collaboration\Resources;
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use OCA\Deck\Db\Acl;
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use OCA\Deck\Db\BoardMapper;
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use OCA\Deck\Service\PermissionService;
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use OCP\AppFramework\Db\DoesNotExistException;
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use OCP\AppFramework\Db\MultipleObjectsReturnedException;
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use OCP\AppFramework\QueryException;
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use OCP\Collaboration\Resources\IManager;
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use OCP\Collaboration\Resources\IProvider;
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use OCP\Collaboration\Resources\IResource;
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use OCP\IUser;
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class ResourceProvider implements IProvider {
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public const RESOURCE_TYPE = 'deck';
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private $boardMapper;
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private $permissionService;
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/** @var array */
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protected $nodes = [];
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public function __construct(BoardMapper $boardMapper, PermissionService $permissionService) {
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$this->boardMapper = $boardMapper;
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$this->permissionService = $permissionService;
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}
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/**
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* Get the type of a resource
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*
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* @param IResource $resource
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* @return string
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* @since 15.0.0
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*/
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public function getType(): string {
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return self::RESOURCE_TYPE;
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}
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/**
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* Get the rich object data of a resource
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*
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* @param IResource $resource
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* @return array
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* @throws \OCP\AppFramework\Db\DoesNotExistException
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* @throws \OCP\AppFramework\Db\MultipleObjectsReturnedException
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* @since 16.0.0
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*/
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public function getResourceRichObject(IResource $resource): array {
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$board = $this->getBoard($resource);
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$link = \OC::$server->getURLGenerator()->linkToRoute('deck.page.index') . '#/board/' . $resource->getId();
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return [
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'type' => self::RESOURCE_TYPE,
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'id' => $resource->getId(),
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'name' => $board->getTitle(),
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'link' => $link,
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'iconUrl' => \OC::$server->getURLGenerator()->imagePath('deck', 'deck-dark.svg')
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];
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}
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/**
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* Can a user/guest access the collection
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*
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* @param IResource $resource
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* @param IUser|null $user
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* @return bool
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* @since 16.0.0
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*/
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public function canAccessResource(IResource $resource, ?IUser $user): bool {
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if ($resource->getType() !== self::RESOURCE_TYPE || !$user instanceof IUser) {
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return false;
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}
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$board = $this->getBoard($resource);
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if ($board === null) {
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return false;
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}
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if ($board->getOwner() === $user->getUID()) {
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return true;
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}
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if ($board->getAcl() === null) {
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return false;
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}
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return $this->permissionService->userCan($board->getAcl(), Acl::PERMISSION_READ, $user->getUID());
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}
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private function getBoard(IResource $resource) {
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try {
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return $this->boardMapper->find((int)$resource->getId(), false, true);
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} catch (DoesNotExistException $e) {
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} catch (MultipleObjectsReturnedException $e) {
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return null;
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}
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}
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public function invalidateAccessCache($boardId = null) {
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try {
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/** @var IManager $resourceManager */
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$resourceManager = \OC::$server->query(IManager::class);
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} catch (QueryException $e) {
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}
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if ($boardId !== null) {
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$resource = $resourceManager->getResourceForUser(self::RESOURCE_TYPE, (string)$boardId, null);
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$resourceManager->invalidateAccessCacheForResource($resource);
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} else {
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$resourceManager->invalidateAccessCacheForProvider($this);
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}
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}
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}
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