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<?php
/**
* @author Roeland Jago Douma <rullzer@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @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 OC\Share20;
use OC\Share20\Exception\ShareNotFound;
use OC\Share20\Exception\BackendError;
use OCP\IUser;
class DefaultShareProvider implements IShareProvider {
/** @var \OCP\IDBConnection */
private $dbConn;
/** @var \OCP\IUserManager */
private $userManager;
/** @var \OCP\IGroupManager */
private $groupManager;
/** @var \OCP\Files\Folder */
private $userFolder;
public function __construct(\OCP\IDBConnection $connection,
\OCP\IUserManager $userManager,
\OCP\IGroupManager $groupManager,
\OCP\Files\Folder $userFolder) {
$this->dbConn = $connection;
$this->userManager = $userManager;
$this->groupManager = $groupManager;
$this->userFolder = $userFolder;
}
/**
* Share a path
*
* @param Share $share
* @return Share The share object
*/
public function create(Share $share) {
throw new \Exception();
}
/**
* Update a share
*
* @param Share $share
* @return Share The share object
*/
public function update(Share $share) {
throw new \Exception();
}
/**
* Get all children of this share
*
* @param IShare $parent
* @return IShare[]
*/
public function getChildren(IShare $parent) {
$children = [];
$qb = $this->dbConn->getQueryBuilder();
$qb->select('*')
->from('share')
->where($qb->expr()->eq('parent', $qb->createParameter('parent')))
->setParameter(':parent', $parent->getId())
->orderBy('id');
$cursor = $qb->execute();
while($data = $cursor->fetch()) {
$children[] = $this->createShare($data);
}
$cursor->closeCursor();
return $children;
}
/**
* Delete a share
*
* @param IShare $share
* @throws BackendError
*/
public function delete(IShare $share) {
// Fetch share to make sure it exists
$share = $this->getShareById($share->getId());
$qb = $this->dbConn->getQueryBuilder();
$qb->delete('share')
->where($qb->expr()->eq('id', $qb->createParameter('id')))
->setParameter(':id', $share->getId());
try {
$qb->execute();
} catch (\Exception $e) {
throw new BackendError();
}
}
/**
* Get all shares by the given user
*
* @param IUser $user
* @param int $shareType
* @param int $offset
* @param int $limit
* @return Share[]
*/
public function getShares(IUser $user, $shareType, $offset, $limit) {
throw new \Exception();
}
/**
* Get share by id
*
* @param int $id
* @return IShare
* @throws ShareNotFound
*/
public function getShareById($id) {
$qb = $this->dbConn->getQueryBuilder();
$qb->select('*')
->from('share')
->where($qb->expr()->eq('id', $qb->createParameter('id')))
->setParameter(':id', $id);
$cursor = $qb->execute();
$data = $cursor->fetch();
$cursor->closeCursor();
if ($data === false) {
throw new ShareNotFound();
}
$share = $this->createShare($data);
return $share;
}
/**
* Get shares for a given path
*
* @param \OCP\IUser $user
* @param \OCP\Files\Node $path
* @return IShare[]
*/
public function getSharesByPath(\OCP\IUser $user, \OCP\Files\Node $path) {
throw new \Exception();
}
/**
* Get shared with the given user
*
* @param IUser $user
* @param int $shareType
* @param Share
*/
public function getSharedWithMe(IUser $user, $shareType = null) {
throw new \Exception();
}
/**
* Get a share by token and if present verify the password
*
* @param string $token
* @param string $password
* @param Share
*/
public function getShareByToken($token, $password = null) {
throw new \Exception();
}
/**
* Create a share object from an database row
*
* @param mixed[] $data
* @return Share
*/
private function createShare($data) {
$share = new Share();
$share->setId((int)$data['id'])
->setShareType((int)$data['share_type'])
->setPermissions((int)$data['permissions'])
->setTarget($data['file_target'])
->setShareTime((int)$data['stime'])
->setMailSend((bool)$data['mail_send']);
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
$share->setSharedWith($this->userManager->get($data['share_with']));
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
$share->setSharedWith($this->groupManager->get($data['share_with']));
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
$share->setPassword($data['share_with']);
$share->setToken($data['token']);
} else {
$share->setSharedWith($data['share_with']);
}
$share->setSharedBy($this->userManager->get($data['uid_owner']));
// TODO: getById can return an array. How to handle this properly??
$path = $this->userFolder->getById((int)$data['file_source']);
$path = $path[0];
$share->setPath($path);
$owner = $path->getStorage()->getOwner('.');
if ($owner !== false) {
$share->setShareOwner($this->userManager->get($owner));
}
if ($data['expiration'] !== null) {
$expiration = \DateTime::createFromFormat('Y-m-d H:i:s', $data['expiration']);
$share->setExpirationDate($expiration);
}
return $share;
}
}
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