nextcloud/lib/private/Collaboration/Resources/Resource.php

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2018 Joas Schilling <coding@schilljs.com>
*
* @author Joas Schilling <coding@schilljs.com>
* @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 OC\Collaboration\Resources;
use OCP\Collaboration\Resources\ICollection;
use OCP\Collaboration\Resources\IManager;
use OCP\Collaboration\Resources\IResource;
use OCP\IDBConnection;
use OCP\IUser;
class Resource implements IResource {
/** @var IManager */
protected $manager;
/** @var IDBConnection */
protected $connection;
/** @var string */
protected $type;
/** @var string */
protected $id;
/** @var IUser|null */
protected $userForAccess;
/** @var bool|null */
protected $access;
/** @var array|null */
protected $data;
public function __construct(
IManager $manager,
IDBConnection $connection,
string $type,
string $id,
?IUser $userForAccess = null,
?bool $access = null
) {
$this->manager = $manager;
$this->connection = $connection;
$this->type = $type;
$this->id = $id;
$this->userForAccess = $userForAccess;
$this->access = $access;
}
/**
* @return string
* @since 16.0.0
*/
public function getType(): string {
return $this->type;
}
/**
* @return string
* @since 16.0.0
*/
public function getId(): string {
return $this->id;
}
/**
* @return array
* @since 16.0.0
*/
public function getRichObject(): array {
if ($this->data === null) {
$this->data = $this->manager->getResourceRichObject($this);
}
return $this->data;
}
/**
* Can a user/guest access the resource
*
* @param IUser|null $user
* @return bool
* @since 16.0.0
*/
public function canAccess(?IUser $user): bool {
if ($user instanceof IUser) {
return $this->canUserAccess($user);
}
return $this->canGuestAccess();
}
protected function canUserAccess(IUser $user): bool {
if (\is_bool($this->access) && $this->userForAccess instanceof IUser && $user->getUID() === $this->userForAccess->getUID()) {
return $this->access;
}
$access = $this->manager->canAccessResource($this, $user);
if ($this->userForAccess instanceof IUser && $user->getUID() === $this->userForAccess->getUID()) {
$this->access = $access;
}
return $access;
}
protected function canGuestAccess(): bool {
if (\is_bool($this->access) && !$this->userForAccess instanceof IUser) {
return $this->access;
}
$access = $this->manager->canAccessResource($this, null);
if (!$this->userForAccess instanceof IUser) {
$this->access = $access;
}
return $access;
}
/**
* @return ICollection[]
* @since 16.0.0
*/
public function getCollections(): array {
$collections = [];
$query = $this->connection->getQueryBuilder();
$query->select('collection_id')
->from('collres_resources')
->where($query->expr()->eq('resource_type', $query->createNamedParameter($this->getType())))
->andWhere($query->expr()->eq('resource_id', $query->createNamedParameter($this->getId())));
$result = $query->execute();
while ($row = $result->fetch()) {
$collections[] = $this->manager->getCollection((int) $row['collection_id']);
}
$result->closeCursor();
return $collections;
}
}