nextcloud/apps/files_sharing/api/share20ocs.php

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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 OCA\Files_Sharing\API;
use OC\Share20\IShare;
use OCP\IGroupManager;
use OCP\IUserManager;
use OCP\IRequest;
use OCP\Files\Folder;
use OCP\IURLGenerator;
use OCP\IUser;
class Share20OCS {
/** @var \OC\Share20\Manager */
private $shareManager;
/** @var IGroupManager */
private $groupManager;
/** @var IUserManager */
private $userManager;
/** @var IRequest */
private $request;
/** @var Folder */
private $userFolder;
/** @var IUrlGenerator */
private $urlGenerator;
/** @var IUser */
private $currentUser;
public function __construct(
\OC\Share20\Manager $shareManager,
\OCP\IGroupManager $groupManager,
\OCP\IUserManager $userManager,
\OCP\IRequest $request,
\OCP\Files\Folder $userFolder,
\OCP\IURLGenerator $urlGenerator,
\OCP\IUser $currentUser
) {
$this->shareManager = $shareManager;
$this->userManager = $userManager;
$this->groupManager = $groupManager;
$this->request = $request;
$this->userFolder = $userFolder;
$this->urlGenerator = $urlGenerator;
$this->currentUser = $currentUser;
}
/**
* Convert an IShare to an array for OCS output
*
* @param IShare $share
* @return array
*/
protected function formatShare($share) {
$result = [
'id' => $share->getId(),
'share_type' => $share->getShareType(),
'uid_owner' => $share->getSharedBy()->getUID(),
'displayname_owner' => $share->getSharedBy()->getDisplayName(),
'permissions' => $share->getPermissions(),
'stime' => $share->getShareTime(),
'parent' => $share->getParent(),
'expiration' => null,
'token' => null,
];
$path = $share->getPath();
$result['path'] = $this->userFolder->getRelativePath($path->getPath());
if ($path instanceOf \OCP\Files\Folder) {
$result['item_type'] = 'folder';
} else {
$result['item_type'] = 'file';
}
$result['storage_id'] = $path->getStorage()->getId();
$result['storage'] = \OC\Files\Cache\Storage::getNumericStorageId($path->getStorage()->getId());
$result['item_source'] = $path->getId();
$result['file_source'] = $path->getId();
$result['file_parent'] = $path->getParent()->getId();
$result['file_target'] = $share->getTarget();
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
$sharedWith = $share->getSharedWith();
$result['share_with'] = $sharedWith->getUID();
$result['share_with_displayname'] = $sharedWith->getDisplayName();
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
$sharedWith = $share->getSharedWith();
$result['share_with'] = $sharedWith->getGID();
$result['share_with_displayname'] = $sharedWith->getGID();
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
$result['share_with'] = $share->getPassword();
$result['share_with_displayname'] = $share->getPassword();
$result['token'] = $share->getToken();
$result['url'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.showShare', ['token' => $share->getToken()]);
$expiration = $share->getExpirationDate();
if ($expiration !== null) {
$result['expiration'] = $expiration->format('Y-m-d 00:00:00');
}
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_REMOTE) {
$result['share_with'] = $share->getSharedWith();
$result['share_with_displayname'] = $share->getSharedWith();
$result['token'] = $share->getToken();
}
$result['mail_send'] = $share->getMailSend() ? 1 : 0;
return $result;
}
/**
* Get a specific share by id
*
* @param string $id
* @return \OC_OCS_Result
*/
public function getShare($id) {
try {
$share = $this->shareManager->getShareById($id);
} catch (\OC\Share20\Exception\ShareNotFound $e) {
return new \OC_OCS_Result(null, 404, 'wrong share ID, share doesn\'t exist.');
}
if ($this->canAccessShare($share)) {
$share = $this->formatShare($share);
return new \OC_OCS_Result($share);
} else {
return new \OC_OCS_Result(null, 404, 'wrong share ID, share doesn\'t exist.');
}
}
/**
* Delete a share
*
* @param string $id
* @return \OC_OCS_Result
*/
public function deleteShare($id) {
try {
$share = $this->shareManager->getShareById($id);
} catch (\OC\Share20\Exception\ShareNotFound $e) {
return new \OC_OCS_Result(null, 404, 'wrong share ID, share doesn\'t exist.');
}
/*
* FIXME
* User the old code path for remote shares until we have our remoteshareprovider
*/
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_REMOTE) {
\OCA\Files_Sharing\API\Local::deleteShare(['id' => $id]);
}
if (!$this->canAccessShare($share)) {
return new \OC_OCS_Result(null, 404, 'could not delete share');
}
try {
$this->shareManager->deleteShare($share);
} catch (\OC\Share20\Exception\BackendError $e) {
return new \OC_OCS_Result(null, 404, 'could not delete share');
}
return new \OC_OCS_Result();
}
/**
* @param IShare $share
* @return bool
*/
protected function canAccessShare(IShare $share) {
// Owner of the file and the sharer of the file can always get share
if ($share->getShareOwner() === $this->currentUser ||
$share->getSharedBy() === $this->currentUser
) {
return true;
}
// If the share is shared with you (or a group you are a member of)
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER &&
$share->getSharedWith() === $this->currentUser) {
return true;
}
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP &&
$share->getSharedWith()->inGroup($this->currentUser)) {
return true;
}
return false;
}
}