1230 lines
39 KiB
PHP
1230 lines
39 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Bjoern Schiessle <bjoern@schiessle.org>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Maxence Lange <maxence@nextcloud.com>
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* @author Michael Jobst <mjobst+github@tecratech.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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* @author Vincent Petry <pvince81@owncloud.com>
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*
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* @license AGPL-3.0
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*
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* This code 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, version 3,
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* as published by the Free Software Foundation.
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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, version 3,
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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\Files_Sharing\Controller;
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use OCA\Files\Helper;
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use OCP\App\IAppManager;
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use OCP\AppFramework\Http\DataResponse;
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use OCP\AppFramework\OCS\OCSBadRequestException;
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use OCP\AppFramework\OCS\OCSException;
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use OCP\AppFramework\OCS\OCSForbiddenException;
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use OCP\AppFramework\OCS\OCSNotFoundException;
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use OCP\AppFramework\OCSController;
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use OCP\AppFramework\QueryException;
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use OCP\Constants;
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use OCP\Files\Node;
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use OCP\Files\NotFoundException;
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use OCP\IConfig;
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use OCP\IGroupManager;
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use OCP\IL10N;
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use OCP\IUserManager;
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use OCP\IRequest;
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use OCP\IServerContainer;
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use OCP\IURLGenerator;
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use OCP\Files\IRootFolder;
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use OCP\Lock\LockedException;
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use OCP\Share;
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use OCP\Share\IManager;
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use OCP\Share\Exceptions\ShareNotFound;
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use OCP\Share\Exceptions\GenericShareException;
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use OCP\Lock\ILockingProvider;
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use OCP\Share\IShare;
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use OCA\Files_Sharing\External\Storage;
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/**
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* Class Share20OCS
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*
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* @package OCA\Files_Sharing\API
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*/
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class ShareAPIController extends OCSController {
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/** @var IManager */
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private $shareManager;
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/** @var IGroupManager */
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private $groupManager;
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/** @var IUserManager */
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private $userManager;
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/** @var IRootFolder */
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private $rootFolder;
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/** @var IURLGenerator */
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private $urlGenerator;
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/** @var string */
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private $currentUser;
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/** @var IL10N */
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private $l;
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/** @var \OCP\Files\Node */
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private $lockedNode;
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/** @var IConfig */
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private $config;
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/** @var IAppManager */
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private $appManager;
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/** @var IServerContainer */
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private $serverContainer;
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/**
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* Share20OCS constructor.
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*
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* @param string $appName
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* @param IRequest $request
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* @param IManager $shareManager
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* @param IGroupManager $groupManager
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* @param IUserManager $userManager
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* @param IRootFolder $rootFolder
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* @param IURLGenerator $urlGenerator
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* @param string $userId
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* @param IL10N $l10n
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* @param IConfig $config
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* @param IAppManager $appManager
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* @param IServerContainer $serverContainer
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*/
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public function __construct(
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string $appName,
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IRequest $request,
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IManager $shareManager,
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IGroupManager $groupManager,
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IUserManager $userManager,
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IRootFolder $rootFolder,
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IURLGenerator $urlGenerator,
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string $userId = null,
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IL10N $l10n,
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IConfig $config,
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IAppManager $appManager,
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IServerContainer $serverContainer
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) {
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parent::__construct($appName, $request);
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$this->shareManager = $shareManager;
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$this->userManager = $userManager;
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$this->groupManager = $groupManager;
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$this->request = $request;
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$this->rootFolder = $rootFolder;
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$this->urlGenerator = $urlGenerator;
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$this->currentUser = $userId;
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$this->l = $l10n;
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$this->config = $config;
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$this->appManager = $appManager;
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$this->serverContainer = $serverContainer;
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}
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/**
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* Convert an IShare to an array for OCS output
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*
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* @param \OCP\Share\IShare $share
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* @param Node|null $recipientNode
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* @return array
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* @throws NotFoundException In case the node can't be resolved.
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*
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* @suppress PhanUndeclaredClassMethod
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*/
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protected function formatShare(\OCP\Share\IShare $share, Node $recipientNode = null): array {
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$sharedBy = $this->userManager->get($share->getSharedBy());
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$shareOwner = $this->userManager->get($share->getShareOwner());
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$result = [
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'id' => $share->getId(),
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'share_type' => $share->getShareType(),
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'uid_owner' => $share->getSharedBy(),
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'displayname_owner' => $sharedBy !== null ? $sharedBy->getDisplayName() : $share->getSharedBy(),
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'permissions' => $share->getPermissions(),
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'stime' => $share->getShareTime()->getTimestamp(),
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'parent' => null,
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'expiration' => null,
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'token' => null,
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'uid_file_owner' => $share->getShareOwner(),
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'note' => $share->getNote(),
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'label' => $share->getLabel(),
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'displayname_file_owner' => $shareOwner !== null ? $shareOwner->getDisplayName() : $share->getShareOwner(),
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];
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$userFolder = $this->rootFolder->getUserFolder($this->currentUser);
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if ($recipientNode) {
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$node = $recipientNode;
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} else {
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$nodes = $userFolder->getById($share->getNodeId());
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if (empty($nodes)) {
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// fallback to guessing the path
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$node = $userFolder->get($share->getTarget());
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if ($node === null || $share->getTarget() === '') {
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throw new NotFoundException();
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}
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} else {
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$node = $nodes[0];
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}
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}
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$result['path'] = $userFolder->getRelativePath($node->getPath());
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if ($node instanceOf \OCP\Files\Folder) {
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$result['item_type'] = 'folder';
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} else {
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$result['item_type'] = 'file';
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}
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$result['mimetype'] = $node->getMimetype();
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$result['storage_id'] = $node->getStorage()->getId();
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$result['storage'] = $node->getStorage()->getCache()->getNumericStorageId();
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$result['item_source'] = $node->getId();
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$result['file_source'] = $node->getId();
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$result['file_parent'] = $node->getParent()->getId();
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$result['file_target'] = $share->getTarget();
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$expiration = $share->getExpirationDate();
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if ($expiration !== null) {
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$result['expiration'] = $expiration->format('Y-m-d 00:00:00');
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}
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if ($share->getShareType() === Share::SHARE_TYPE_USER) {
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$sharedWith = $this->userManager->get($share->getSharedWith());
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$result['share_with'] = $share->getSharedWith();
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$result['share_with_displayname'] = $sharedWith !== null ? $sharedWith->getDisplayName() : $share->getSharedWith();
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} else if ($share->getShareType() === Share::SHARE_TYPE_GROUP) {
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$group = $this->groupManager->get($share->getSharedWith());
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$result['share_with'] = $share->getSharedWith();
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$result['share_with_displayname'] = $group !== null ? $group->getDisplayName() : $share->getSharedWith();
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} else if ($share->getShareType() === Share::SHARE_TYPE_LINK) {
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// "share_with" and "share_with_displayname" for passwords of link
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// shares was deprecated in Nextcloud 15, use "password" instead.
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$result['share_with'] = $share->getPassword();
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$result['share_with_displayname'] = $share->getPassword();
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$result['password'] = $share->getPassword();
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$result['send_password_by_talk'] = $share->getSendPasswordByTalk();
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$result['token'] = $share->getToken();
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$result['url'] = $this->urlGenerator->linkToRouteAbsolute('files_sharing.sharecontroller.showShare', ['token' => $share->getToken()]);
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} else if ($share->getShareType() === Share::SHARE_TYPE_REMOTE || $share->getShareType() === Share::SHARE_TYPE_REMOTE_GROUP) {
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$result['share_with'] = $share->getSharedWith();
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$result['share_with_displayname'] = $this->getDisplayNameFromAddressBook($share->getSharedWith(), 'CLOUD');
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$result['token'] = $share->getToken();
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} else if ($share->getShareType() === Share::SHARE_TYPE_EMAIL) {
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$result['share_with'] = $share->getSharedWith();
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$result['password'] = $share->getPassword();
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$result['send_password_by_talk'] = $share->getSendPasswordByTalk();
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$result['share_with_displayname'] = $this->getDisplayNameFromAddressBook($share->getSharedWith(), 'EMAIL');
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$result['token'] = $share->getToken();
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} else if ($share->getShareType() === Share::SHARE_TYPE_CIRCLE) {
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// getSharedWith() returns either "name (type, owner)" or
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// "name (type, owner) [id]", depending on the Circles app version.
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$hasCircleId = (substr($share->getSharedWith(), -1) === ']');
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$result['share_with_displayname'] = $share->getSharedWithDisplayName();
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if (empty($result['share_with_displayname'])) {
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$displayNameLength = ($hasCircleId? strrpos($share->getSharedWith(), ' '): strlen($share->getSharedWith()));
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$result['share_with_displayname'] = substr($share->getSharedWith(), 0, $displayNameLength);
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}
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$result['share_with_avatar'] = $share->getSharedWithAvatar();
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$shareWithStart = ($hasCircleId? strrpos($share->getSharedWith(), '[') + 1: 0);
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$shareWithLength = ($hasCircleId? -1: strpos($share->getSharedWith(), ' '));
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if (is_bool($shareWithLength)) {
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$shareWithLength = -1;
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}
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$result['share_with'] = substr($share->getSharedWith(), $shareWithStart, $shareWithLength);
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} else if ($share->getShareType() === Share::SHARE_TYPE_ROOM) {
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$result['share_with'] = $share->getSharedWith();
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$result['share_with_displayname'] = '';
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try {
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$result = array_merge($result, $this->getRoomShareHelper()->formatShare($share));
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} catch (QueryException $e) {
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}
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}
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$result['mail_send'] = $share->getMailSend() ? 1 : 0;
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$result['hide_download'] = $share->getHideDownload() ? 1 : 0;
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return $result;
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}
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/**
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* Check if one of the users address books knows the exact property, if
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* yes we return the full name.
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*
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* @param string $query
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* @param string $property
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* @return string
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*/
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private function getDisplayNameFromAddressBook(string $query, string $property): string {
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// FIXME: If we inject the contacts manager it gets initialized bofore any address books are registered
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$result = \OC::$server->getContactsManager()->search($query, [$property]);
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foreach ($result as $r) {
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foreach($r[$property] as $value) {
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if ($value === $query) {
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return $r['FN'];
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}
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}
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}
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return $query;
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}
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/**
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* Get a specific share by id
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*
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* @NoAdminRequired
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*
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* @param string $id
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* @return DataResponse
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* @throws OCSNotFoundException
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*/
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public function getShare(string $id): DataResponse {
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try {
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$share = $this->getShareById($id);
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} catch (ShareNotFound $e) {
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throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
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}
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if ($this->canAccessShare($share)) {
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try {
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$share = $this->formatShare($share);
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return new DataResponse([$share]);
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} catch (NotFoundException $e) {
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//Fall trough
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}
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}
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throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
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}
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/**
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* Delete a share
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*
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* @NoAdminRequired
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*
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* @param string $id
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* @return DataResponse
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* @throws OCSNotFoundException
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*/
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public function deleteShare(string $id): DataResponse {
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try {
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$share = $this->getShareById($id);
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} catch (ShareNotFound $e) {
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throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
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}
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try {
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$this->lock($share->getNode());
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} catch (LockedException $e) {
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throw new OCSNotFoundException($this->l->t('could not delete share'));
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}
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if (!$this->canAccessShare($share)) {
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throw new OCSNotFoundException($this->l->t('Could not delete share'));
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}
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if (($share->getShareType() === Share::SHARE_TYPE_GROUP ||
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$share->getShareType() === Share::SHARE_TYPE_ROOM) &&
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$share->getShareOwner() !== $this->currentUser &&
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$share->getSharedBy() !== $this->currentUser) {
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$this->shareManager->deleteFromSelf($share, $this->currentUser);
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} else {
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$this->shareManager->deleteShare($share);
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}
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return new DataResponse();
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}
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/**
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* @NoAdminRequired
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*
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* @param string $path
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* @param int $permissions
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* @param int $shareType
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* @param string $shareWith
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* @param string $publicUpload
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* @param string $password
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* @param string $sendPasswordByTalk
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* @param string $expireDate
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* @param string $label
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*
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* @return DataResponse
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* @throws NotFoundException
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* @throws OCSBadRequestException
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* @throws OCSException
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* @throws OCSForbiddenException
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* @throws OCSNotFoundException
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* @throws \OCP\Files\InvalidPathException
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* @suppress PhanUndeclaredClassMethod
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*/
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public function createShare(
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string $path = null,
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int $permissions = null,
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int $shareType = -1,
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string $shareWith = null,
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string $publicUpload = 'false',
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string $password = '',
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string $sendPasswordByTalk = null,
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string $expireDate = '',
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string $label = ''
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): DataResponse {
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$share = $this->shareManager->newShare();
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if ($permissions === null) {
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$permissions = $this->config->getAppValue('core', 'shareapi_default_permissions', Constants::PERMISSION_ALL);
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}
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// Verify path
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if ($path === null) {
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throw new OCSNotFoundException($this->l->t('Please specify a file or folder path'));
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}
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$userFolder = $this->rootFolder->getUserFolder($this->currentUser);
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try {
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$path = $userFolder->get($path);
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} catch (NotFoundException $e) {
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throw new OCSNotFoundException($this->l->t('Wrong path, file/folder doesn\'t exist'));
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}
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$share->setNode($path);
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try {
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$this->lock($share->getNode());
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} catch (LockedException $e) {
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throw new OCSNotFoundException($this->l->t('Could not create share'));
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}
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if ($permissions < 0 || $permissions > Constants::PERMISSION_ALL) {
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throw new OCSNotFoundException($this->l->t('invalid permissions'));
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}
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// Shares always require read permissions
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$permissions |= Constants::PERMISSION_READ;
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if ($path instanceof \OCP\Files\File) {
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// Single file shares should never have delete or create permissions
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$permissions &= ~Constants::PERMISSION_DELETE;
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$permissions &= ~Constants::PERMISSION_CREATE;
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}
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|
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/*
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* Hack for https://github.com/owncloud/core/issues/22587
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* We check the permissions via webdav. But the permissions of the mount point
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* do not equal the share permissions. Here we fix that for federated mounts.
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*/
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if ($path->getStorage()->instanceOfStorage(Storage::class)) {
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$permissions &= ~($permissions & ~$path->getPermissions());
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}
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if ($shareType === Share::SHARE_TYPE_USER) {
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// Valid user is required to share
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if ($shareWith === null || !$this->userManager->userExists($shareWith)) {
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throw new OCSNotFoundException($this->l->t('Please specify a valid user'));
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}
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$share->setSharedWith($shareWith);
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$share->setPermissions($permissions);
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} else if ($shareType === Share::SHARE_TYPE_GROUP) {
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if (!$this->shareManager->allowGroupSharing()) {
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throw new OCSNotFoundException($this->l->t('Group sharing is disabled by the administrator'));
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}
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// Valid group is required to share
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if ($shareWith === null || !$this->groupManager->groupExists($shareWith)) {
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throw new OCSNotFoundException($this->l->t('Please specify a valid group'));
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}
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$share->setSharedWith($shareWith);
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$share->setPermissions($permissions);
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} else if ($shareType === Share::SHARE_TYPE_LINK) {
|
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//Can we even share links?
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if (!$this->shareManager->shareApiAllowLinks()) {
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throw new OCSNotFoundException($this->l->t('Public link sharing is disabled by the administrator'));
|
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}
|
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if ($publicUpload === 'true') {
|
|
// Check if public upload is allowed
|
|
if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
|
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throw new OCSForbiddenException($this->l->t('Public upload disabled by the administrator'));
|
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}
|
|
|
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// Public upload can only be set for folders
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if ($path instanceof \OCP\Files\File) {
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throw new OCSNotFoundException($this->l->t('Public upload is only possible for publicly shared folders'));
|
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}
|
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|
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$share->setPermissions(
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Constants::PERMISSION_READ |
|
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Constants::PERMISSION_CREATE |
|
|
Constants::PERMISSION_UPDATE |
|
|
Constants::PERMISSION_DELETE
|
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);
|
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} else {
|
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$share->setPermissions(Constants::PERMISSION_READ);
|
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}
|
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|
|
// Set password
|
|
if ($password !== '') {
|
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$share->setPassword($password);
|
|
}
|
|
|
|
|
|
if (!empty($label)) {
|
|
$share->setLabel($label);
|
|
}
|
|
|
|
if ($sendPasswordByTalk === 'true') {
|
|
if (!$this->appManager->isEnabledForUser('spreed')) {
|
|
throw new OCSForbiddenException($this->l->t('Sharing %s sending the password by Nextcloud Talk failed because Nextcloud Talk is not enabled', [$path->getPath()]));
|
|
}
|
|
|
|
$share->setSendPasswordByTalk(true);
|
|
}
|
|
|
|
//Expire date
|
|
if ($expireDate !== '') {
|
|
try {
|
|
$expireDate = $this->parseDate($expireDate);
|
|
$share->setExpirationDate($expireDate);
|
|
} catch (\Exception $e) {
|
|
throw new OCSNotFoundException($this->l->t('Invalid date, date format must be YYYY-MM-DD'));
|
|
}
|
|
}
|
|
|
|
} else if ($shareType === Share::SHARE_TYPE_REMOTE) {
|
|
if (!$this->shareManager->outgoingServer2ServerSharesAllowed()) {
|
|
throw new OCSForbiddenException($this->l->t('Sharing %1$s failed because the back end does not allow shares from type %2$s', [$path->getPath(), $shareType]));
|
|
}
|
|
|
|
$share->setSharedWith($shareWith);
|
|
$share->setPermissions($permissions);
|
|
} else if ($shareType === Share::SHARE_TYPE_REMOTE_GROUP) {
|
|
if (!$this->shareManager->outgoingServer2ServerGroupSharesAllowed()) {
|
|
throw new OCSForbiddenException($this->l->t('Sharing %1$s failed because the back end does not allow shares from type %2$s', [$path->getPath(), $shareType]));
|
|
}
|
|
|
|
$share->setSharedWith($shareWith);
|
|
$share->setPermissions($permissions);
|
|
} else if ($shareType === Share::SHARE_TYPE_EMAIL) {
|
|
if ($share->getNodeType() === 'file') {
|
|
$share->setPermissions(Constants::PERMISSION_READ);
|
|
} else {
|
|
$share->setPermissions($permissions);
|
|
}
|
|
$share->setSharedWith($shareWith);
|
|
|
|
if ($sendPasswordByTalk === 'true') {
|
|
if (!$this->appManager->isEnabledForUser('spreed')) {
|
|
throw new OCSForbiddenException($this->l->t('Sharing %s sending the password by Nextcloud Talk failed because Nextcloud Talk is not enabled', [$path->getPath()]));
|
|
}
|
|
|
|
$share->setSendPasswordByTalk(true);
|
|
}
|
|
} else if ($shareType === Share::SHARE_TYPE_CIRCLE) {
|
|
if (!\OC::$server->getAppManager()->isEnabledForUser('circles') || !class_exists('\OCA\Circles\ShareByCircleProvider')) {
|
|
throw new OCSNotFoundException($this->l->t('You cannot share to a Circle if the app is not enabled'));
|
|
}
|
|
|
|
$circle = \OCA\Circles\Api\v1\Circles::detailsCircle($shareWith);
|
|
|
|
// Valid circle is required to share
|
|
if ($circle === null) {
|
|
throw new OCSNotFoundException($this->l->t('Please specify a valid circle'));
|
|
}
|
|
$share->setSharedWith($shareWith);
|
|
$share->setPermissions($permissions);
|
|
} else if ($shareType === Share::SHARE_TYPE_ROOM) {
|
|
try {
|
|
$this->getRoomShareHelper()->createShare($share, $shareWith, $permissions, $expireDate);
|
|
} catch (QueryException $e) {
|
|
throw new OCSForbiddenException($this->l->t('Sharing %s failed because the back end does not support room shares', [$path->getPath()]));
|
|
}
|
|
} else {
|
|
throw new OCSBadRequestException($this->l->t('Unknown share type'));
|
|
}
|
|
|
|
$share->setShareType($shareType);
|
|
$share->setSharedBy($this->currentUser);
|
|
|
|
try {
|
|
$share = $this->shareManager->createShare($share);
|
|
} catch (GenericShareException $e) {
|
|
$code = $e->getCode() === 0 ? 403 : $e->getCode();
|
|
throw new OCSException($e->getHint(), $code);
|
|
} catch (\Exception $e) {
|
|
throw new OCSForbiddenException($e->getMessage(), $e);
|
|
}
|
|
|
|
$output = $this->formatShare($share);
|
|
|
|
return new DataResponse($output);
|
|
}
|
|
|
|
/**
|
|
* @param \OCP\Files\File|\OCP\Files\Folder $node
|
|
* @param boolean $includeTags
|
|
* @return DataResponse
|
|
*/
|
|
private function getSharedWithMe($node = null, bool $includeTags): DataResponse {
|
|
|
|
$userShares = $this->shareManager->getSharedWith($this->currentUser, Share::SHARE_TYPE_USER, $node, -1, 0);
|
|
$groupShares = $this->shareManager->getSharedWith($this->currentUser, Share::SHARE_TYPE_GROUP, $node, -1, 0);
|
|
$circleShares = $this->shareManager->getSharedWith($this->currentUser, Share::SHARE_TYPE_CIRCLE, $node, -1, 0);
|
|
$roomShares = $this->shareManager->getSharedWith($this->currentUser, Share::SHARE_TYPE_ROOM, $node, -1, 0);
|
|
|
|
$shares = array_merge($userShares, $groupShares, $circleShares, $roomShares);
|
|
|
|
$shares = array_filter($shares, function (IShare $share) {
|
|
return $share->getShareOwner() !== $this->currentUser;
|
|
});
|
|
|
|
$formatted = [];
|
|
foreach ($shares as $share) {
|
|
if ($this->canAccessShare($share)) {
|
|
try {
|
|
$formatted[] = $this->formatShare($share);
|
|
} catch (NotFoundException $e) {
|
|
// Ignore this share
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($includeTags) {
|
|
$formatted = Helper::populateTags($formatted, 'file_source', \OC::$server->getTagManager());
|
|
}
|
|
|
|
return new DataResponse($formatted);
|
|
}
|
|
|
|
/**
|
|
* @param \OCP\Files\Folder $folder
|
|
* @return DataResponse
|
|
* @throws OCSBadRequestException
|
|
*/
|
|
private function getSharesInDir(Node $folder): DataResponse {
|
|
if (!($folder instanceof \OCP\Files\Folder)) {
|
|
throw new OCSBadRequestException($this->l->t('Not a directory'));
|
|
}
|
|
|
|
$nodes = $folder->getDirectoryListing();
|
|
/** @var \OCP\Share\IShare[] $shares */
|
|
$shares = [];
|
|
foreach ($nodes as $node) {
|
|
|
|
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_USER, $node, true, -1, 0));
|
|
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_GROUP, $node, true, -1, 0));
|
|
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_LINK, $node, true, -1, 0));
|
|
if ($this->shareManager->shareProviderExists(Share::SHARE_TYPE_EMAIL)) {
|
|
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_EMAIL, $node, true, -1, 0));
|
|
}
|
|
if ($this->shareManager->outgoingServer2ServerSharesAllowed()) {
|
|
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_REMOTE, $node, true, -1, 0));
|
|
}
|
|
$shares = array_merge($shares, $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_ROOM, $node, true, -1, 0));
|
|
}
|
|
|
|
$formatted = $miniFormatted = [];
|
|
$resharingRight = false;
|
|
$known = [];
|
|
foreach ($shares as $share) {
|
|
if (in_array($share->getId(), $known)) {
|
|
continue;
|
|
}
|
|
|
|
try {
|
|
$format = $this->formatShare($share);
|
|
|
|
$known[] = $share->getId();
|
|
$formatted[] = $format;
|
|
if ($share->getSharedBy() === $this->currentUser) {
|
|
$miniFormatted[] = $format;
|
|
}
|
|
if (!$resharingRight && $this->shareProviderResharingRights($this->currentUser, $share, $folder)) {
|
|
$resharingRight = true;
|
|
}
|
|
} catch (\Exception $e) {
|
|
//Ignore this share
|
|
}
|
|
}
|
|
|
|
if (!$resharingRight) {
|
|
$formatted = $miniFormatted;
|
|
}
|
|
|
|
return new DataResponse($formatted);
|
|
}
|
|
|
|
/**
|
|
* The getShares function.
|
|
*
|
|
* @NoAdminRequired
|
|
*
|
|
* @param string $shared_with_me
|
|
* @param string $reshares
|
|
* @param string $subfiles
|
|
* @param string $path
|
|
*
|
|
* - Get shares by the current user
|
|
* - Get shares by the current user and reshares (?reshares=true)
|
|
* - Get shares with the current user (?shared_with_me=true)
|
|
* - Get shares for a specific path (?path=...)
|
|
* - Get all shares in a folder (?subfiles=true&path=..)
|
|
*
|
|
* @return DataResponse
|
|
* @throws OCSNotFoundException
|
|
*/
|
|
public function getShares(
|
|
string $shared_with_me = 'false',
|
|
string $reshares = 'false',
|
|
string $subfiles = 'false',
|
|
string $path = null,
|
|
string $include_tags = 'false'
|
|
): DataResponse {
|
|
|
|
if ($path !== null) {
|
|
$userFolder = $this->rootFolder->getUserFolder($this->currentUser);
|
|
try {
|
|
$path = $userFolder->get($path);
|
|
$this->lock($path);
|
|
} catch (\OCP\Files\NotFoundException $e) {
|
|
throw new OCSNotFoundException($this->l->t('Wrong path, file/folder doesn\'t exist'));
|
|
} catch (LockedException $e) {
|
|
throw new OCSNotFoundException($this->l->t('Could not lock path'));
|
|
}
|
|
}
|
|
|
|
$include_tags = $include_tags === 'true';
|
|
|
|
if ($shared_with_me === 'true') {
|
|
$result = $this->getSharedWithMe($path, $include_tags);
|
|
return $result;
|
|
}
|
|
|
|
if ($subfiles === 'true') {
|
|
$result = $this->getSharesInDir($path);
|
|
return $result;
|
|
}
|
|
|
|
if ($reshares === 'true') {
|
|
$reshares = true;
|
|
} else {
|
|
$reshares = false;
|
|
}
|
|
|
|
// Get all shares
|
|
$userShares = $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_USER, $path, $reshares, -1, 0);
|
|
$groupShares = $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_GROUP, $path, $reshares, -1, 0);
|
|
$linkShares = $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_LINK, $path, $reshares, -1, 0);
|
|
if ($this->shareManager->shareProviderExists(Share::SHARE_TYPE_EMAIL)) {
|
|
$mailShares = $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_EMAIL, $path, $reshares, -1, 0);
|
|
} else {
|
|
$mailShares = [];
|
|
}
|
|
if ($this->shareManager->shareProviderExists(Share::SHARE_TYPE_CIRCLE)) {
|
|
$circleShares = $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_CIRCLE, $path, $reshares, -1, 0);
|
|
} else {
|
|
$circleShares = [];
|
|
}
|
|
$roomShares = $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_ROOM, $path, $reshares, -1, 0);
|
|
|
|
$shares = array_merge($userShares, $groupShares, $linkShares, $mailShares, $circleShares, $roomShares);
|
|
|
|
if ($this->shareManager->outgoingServer2ServerSharesAllowed()) {
|
|
$federatedShares = $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_REMOTE, $path, $reshares, -1, 0);
|
|
$shares = array_merge($shares, $federatedShares);
|
|
}
|
|
|
|
if ($this->shareManager->outgoingServer2ServerGroupSharesAllowed()) {
|
|
$federatedShares = $this->shareManager->getSharesBy($this->currentUser, Share::SHARE_TYPE_REMOTE_GROUP, $path, $reshares, -1, 0);
|
|
$shares = array_merge($shares, $federatedShares);
|
|
}
|
|
|
|
$formatted = $miniFormatted = [];
|
|
$resharingRight = false;
|
|
foreach ($shares as $share) {
|
|
/** @var IShare $share */
|
|
try {
|
|
$format = $this->formatShare($share, $path);
|
|
$formatted[] = $format;
|
|
if ($share->getSharedBy() === $this->currentUser) {
|
|
$miniFormatted[] = $format;
|
|
}
|
|
|
|
if (!$resharingRight && $this->shareProviderResharingRights($this->currentUser, $share, $path)) {
|
|
$resharingRight = true;
|
|
}
|
|
} catch (\Exception $e) {
|
|
//Ignore share
|
|
}
|
|
}
|
|
|
|
if (!$resharingRight) {
|
|
$formatted = $miniFormatted;
|
|
}
|
|
|
|
if ($include_tags) {
|
|
$formatted = Helper::populateTags($formatted, 'file_source', \OC::$server->getTagManager());
|
|
}
|
|
|
|
return new DataResponse($formatted);
|
|
}
|
|
|
|
/**
|
|
* @NoAdminRequired
|
|
*
|
|
* @param string $id
|
|
* @param int $permissions
|
|
* @param string $password
|
|
* @param string $sendPasswordByTalk
|
|
* @param string $publicUpload
|
|
* @param string $expireDate
|
|
* @param string $note
|
|
* @param string $label
|
|
* @param string $hideDownload
|
|
* @return DataResponse
|
|
* @throws LockedException
|
|
* @throws NotFoundException
|
|
* @throws OCSBadRequestException
|
|
* @throws OCSForbiddenException
|
|
* @throws OCSNotFoundException
|
|
*/
|
|
public function updateShare(
|
|
string $id,
|
|
int $permissions = null,
|
|
string $password = null,
|
|
string $sendPasswordByTalk = null,
|
|
string $publicUpload = null,
|
|
string $expireDate = null,
|
|
string $note = null,
|
|
string $label = null,
|
|
string $hideDownload = null
|
|
): DataResponse {
|
|
try {
|
|
$share = $this->getShareById($id);
|
|
} catch (ShareNotFound $e) {
|
|
throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
|
|
}
|
|
|
|
$this->lock($share->getNode());
|
|
|
|
if (!$this->canAccessShare($share, false)) {
|
|
throw new OCSNotFoundException($this->l->t('Wrong share ID, share doesn\'t exist'));
|
|
}
|
|
|
|
if ($share->getShareOwner() !== $this->currentUser && $share->getSharedBy() !== $this->currentUser) {
|
|
throw new OCSForbiddenException('You are not allowed to edit incoming shares');
|
|
}
|
|
|
|
if ($permissions === null &&
|
|
$password === null &&
|
|
$sendPasswordByTalk === null &&
|
|
$publicUpload === null &&
|
|
$expireDate === null &&
|
|
$note === null &&
|
|
$label === null &&
|
|
$hideDownload === null
|
|
) {
|
|
throw new OCSBadRequestException($this->l->t('Wrong or no update parameter given'));
|
|
}
|
|
|
|
if($note !== null) {
|
|
$share->setNote($note);
|
|
}
|
|
|
|
/*
|
|
* expirationdate, password and publicUpload only make sense for link shares
|
|
*/
|
|
if ($share->getShareType() === Share::SHARE_TYPE_LINK) {
|
|
|
|
// Update hide download state
|
|
if ($hideDownload === 'true') {
|
|
$share->setHideDownload(true);
|
|
} else if ($hideDownload === 'false') {
|
|
$share->setHideDownload(false);
|
|
}
|
|
|
|
$newPermissions = null;
|
|
if ($publicUpload === 'true') {
|
|
$newPermissions = Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE;
|
|
} else if ($publicUpload === 'false') {
|
|
$newPermissions = Constants::PERMISSION_READ;
|
|
}
|
|
|
|
if ($permissions !== null) {
|
|
$newPermissions = (int)$permissions;
|
|
$newPermissions = $newPermissions & ~Constants::PERMISSION_SHARE;
|
|
}
|
|
|
|
if ($newPermissions !== null &&
|
|
!in_array($newPermissions, [
|
|
Constants::PERMISSION_READ,
|
|
Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE, // legacy
|
|
Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE, // correct
|
|
Constants::PERMISSION_CREATE, // hidden file list
|
|
Constants::PERMISSION_READ | Constants::PERMISSION_UPDATE, // allow to edit single files
|
|
], true)
|
|
) {
|
|
throw new OCSBadRequestException($this->l->t('Can\'t change permissions for public share links'));
|
|
}
|
|
|
|
if (
|
|
// legacy
|
|
$newPermissions === (Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE) ||
|
|
// correct
|
|
$newPermissions === (Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE)
|
|
) {
|
|
if (!$this->shareManager->shareApiLinkAllowPublicUpload()) {
|
|
throw new OCSForbiddenException($this->l->t('Public upload disabled by the administrator'));
|
|
}
|
|
|
|
if (!($share->getNode() instanceof \OCP\Files\Folder)) {
|
|
throw new OCSBadRequestException($this->l->t('Public upload is only possible for publicly shared folders'));
|
|
}
|
|
|
|
// normalize to correct public upload permissions
|
|
$newPermissions = Constants::PERMISSION_READ | Constants::PERMISSION_CREATE | Constants::PERMISSION_UPDATE | Constants::PERMISSION_DELETE;
|
|
}
|
|
|
|
if ($newPermissions !== null) {
|
|
$share->setPermissions($newPermissions);
|
|
$permissions = $newPermissions;
|
|
}
|
|
|
|
if ($expireDate === '') {
|
|
$share->setExpirationDate(null);
|
|
} else if ($expireDate !== null) {
|
|
try {
|
|
$expireDate = $this->parseDate($expireDate);
|
|
} catch (\Exception $e) {
|
|
throw new OCSBadRequestException($e->getMessage(), $e);
|
|
}
|
|
$share->setExpirationDate($expireDate);
|
|
}
|
|
|
|
if ($password === '') {
|
|
$share->setPassword(null);
|
|
} else if ($password !== null) {
|
|
$share->setPassword($password);
|
|
}
|
|
|
|
if ($label !== null) {
|
|
$share->setLabel($label);
|
|
}
|
|
|
|
if ($sendPasswordByTalk === 'true') {
|
|
if (!$this->appManager->isEnabledForUser('spreed')) {
|
|
throw new OCSForbiddenException($this->l->t('Sharing sending the password by Nextcloud Talk failed because Nextcloud Talk is not enabled'));
|
|
}
|
|
|
|
$share->setSendPasswordByTalk(true);
|
|
} else if ($sendPasswordByTalk !== null) {
|
|
$share->setSendPasswordByTalk(false);
|
|
}
|
|
} else {
|
|
if ($permissions !== null) {
|
|
$permissions = (int)$permissions;
|
|
$share->setPermissions($permissions);
|
|
}
|
|
|
|
if ($share->getShareType() === Share::SHARE_TYPE_EMAIL) {
|
|
if ($password === '') {
|
|
$share->setPassword(null);
|
|
} else if ($password !== null) {
|
|
$share->setPassword($password);
|
|
}
|
|
|
|
if ($sendPasswordByTalk === 'true') {
|
|
if (!$this->appManager->isEnabledForUser('spreed')) {
|
|
throw new OCSForbiddenException($this->l->t('Sharing sending the password by Nextcloud Talk failed because Nextcloud Talk is not enabled'));
|
|
}
|
|
|
|
$share->setSendPasswordByTalk(true);
|
|
} else {
|
|
$share->setSendPasswordByTalk(false);
|
|
}
|
|
}
|
|
|
|
if ($expireDate === '') {
|
|
$share->setExpirationDate(null);
|
|
} else if ($expireDate !== null) {
|
|
try {
|
|
$expireDate = $this->parseDate($expireDate);
|
|
} catch (\Exception $e) {
|
|
throw new OCSBadRequestException($e->getMessage(), $e);
|
|
}
|
|
$share->setExpirationDate($expireDate);
|
|
}
|
|
|
|
}
|
|
|
|
if ($permissions !== null && $share->getShareOwner() !== $this->currentUser) {
|
|
/* Check if this is an incoming share */
|
|
$incomingShares = $this->shareManager->getSharedWith($this->currentUser, Share::SHARE_TYPE_USER, $share->getNode(), -1, 0);
|
|
$incomingShares = array_merge($incomingShares, $this->shareManager->getSharedWith($this->currentUser, Share::SHARE_TYPE_GROUP, $share->getNode(), -1, 0));
|
|
$incomingShares = array_merge($incomingShares, $this->shareManager->getSharedWith($this->currentUser, Share::SHARE_TYPE_ROOM, $share->getNode(), -1, 0));
|
|
|
|
/** @var \OCP\Share\IShare[] $incomingShares */
|
|
if (!empty($incomingShares)) {
|
|
$maxPermissions = 0;
|
|
foreach ($incomingShares as $incomingShare) {
|
|
$maxPermissions |= $incomingShare->getPermissions();
|
|
}
|
|
|
|
if ($share->getPermissions() & ~$maxPermissions) {
|
|
throw new OCSNotFoundException($this->l->t('Cannot increase permissions'));
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
try {
|
|
$share = $this->shareManager->updateShare($share);
|
|
} catch (\Exception $e) {
|
|
throw new OCSBadRequestException($e->getMessage(), $e);
|
|
}
|
|
|
|
return new DataResponse($this->formatShare($share));
|
|
}
|
|
|
|
/**
|
|
* @suppress PhanUndeclaredClassMethod
|
|
*/
|
|
protected function canAccessShare(\OCP\Share\IShare $share, bool $checkGroups = true): bool {
|
|
// A file with permissions 0 can't be accessed by us. So Don't show it
|
|
if ($share->getPermissions() === 0) {
|
|
return false;
|
|
}
|
|
|
|
// 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() === Share::SHARE_TYPE_USER &&
|
|
$share->getSharedWith() === $this->currentUser
|
|
) {
|
|
return true;
|
|
}
|
|
|
|
if ($checkGroups && $share->getShareType() === Share::SHARE_TYPE_GROUP) {
|
|
$sharedWith = $this->groupManager->get($share->getSharedWith());
|
|
$user = $this->userManager->get($this->currentUser);
|
|
if ($user !== null && $sharedWith !== null && $sharedWith->inGroup($user)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if ($share->getShareType() === Share::SHARE_TYPE_CIRCLE) {
|
|
// TODO: have a sanity check like above?
|
|
return true;
|
|
}
|
|
|
|
if ($share->getShareType() === Share::SHARE_TYPE_ROOM) {
|
|
try {
|
|
return $this->getRoomShareHelper()->canAccessShare($share, $this->currentUser);
|
|
} catch (QueryException $e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Make sure that the passed date is valid ISO 8601
|
|
* So YYYY-MM-DD
|
|
* If not throw an exception
|
|
*
|
|
* @param string $expireDate
|
|
*
|
|
* @throws \Exception
|
|
* @return \DateTime
|
|
*/
|
|
private function parseDate(string $expireDate): \DateTime {
|
|
try {
|
|
$date = new \DateTime($expireDate);
|
|
} catch (\Exception $e) {
|
|
throw new \Exception('Invalid date. Format must be YYYY-MM-DD');
|
|
}
|
|
|
|
if ($date === false) {
|
|
throw new \Exception('Invalid date. Format must be YYYY-MM-DD');
|
|
}
|
|
|
|
$date->setTime(0, 0, 0);
|
|
|
|
return $date;
|
|
}
|
|
|
|
/**
|
|
* Since we have multiple providers but the OCS Share API v1 does
|
|
* not support this we need to check all backends.
|
|
*
|
|
* @param string $id
|
|
* @return \OCP\Share\IShare
|
|
* @throws ShareNotFound
|
|
*/
|
|
private function getShareById(string $id): IShare {
|
|
$share = null;
|
|
|
|
// First check if it is an internal share.
|
|
try {
|
|
$share = $this->shareManager->getShareById('ocinternal:' . $id, $this->currentUser);
|
|
return $share;
|
|
} catch (ShareNotFound $e) {
|
|
// Do nothing, just try the other share type
|
|
}
|
|
|
|
|
|
try {
|
|
if ($this->shareManager->shareProviderExists(Share::SHARE_TYPE_CIRCLE)) {
|
|
$share = $this->shareManager->getShareById('ocCircleShare:' . $id, $this->currentUser);
|
|
return $share;
|
|
}
|
|
} catch (ShareNotFound $e) {
|
|
// Do nothing, just try the other share type
|
|
}
|
|
|
|
try {
|
|
if ($this->shareManager->shareProviderExists(Share::SHARE_TYPE_EMAIL)) {
|
|
$share = $this->shareManager->getShareById('ocMailShare:' . $id, $this->currentUser);
|
|
return $share;
|
|
}
|
|
} catch (ShareNotFound $e) {
|
|
// Do nothing, just try the other share type
|
|
}
|
|
|
|
try {
|
|
$share = $this->shareManager->getShareById('ocRoomShare:' . $id, $this->currentUser);
|
|
return $share;
|
|
} catch (ShareNotFound $e) {
|
|
// Do nothing, just try the other share type
|
|
}
|
|
|
|
if (!$this->shareManager->outgoingServer2ServerSharesAllowed()) {
|
|
throw new ShareNotFound();
|
|
}
|
|
$share = $this->shareManager->getShareById('ocFederatedSharing:' . $id, $this->currentUser);
|
|
|
|
return $share;
|
|
}
|
|
|
|
/**
|
|
* Lock a Node
|
|
*
|
|
* @param \OCP\Files\Node $node
|
|
* @throws LockedException
|
|
*/
|
|
private function lock(\OCP\Files\Node $node) {
|
|
$node->lock(ILockingProvider::LOCK_SHARED);
|
|
$this->lockedNode = $node;
|
|
}
|
|
|
|
/**
|
|
* Cleanup the remaining locks
|
|
* @throws @LockedException
|
|
*/
|
|
public function cleanup() {
|
|
if ($this->lockedNode !== null) {
|
|
$this->lockedNode->unlock(ILockingProvider::LOCK_SHARED);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns the helper of ShareAPIController for room shares.
|
|
*
|
|
* If the Talk application is not enabled or the helper is not available
|
|
* a QueryException is thrown instead.
|
|
*
|
|
* @return \OCA\Spreed\Share\Helper\ShareAPIController
|
|
* @throws QueryException
|
|
*/
|
|
private function getRoomShareHelper() {
|
|
if (!$this->appManager->isEnabledForUser('spreed')) {
|
|
throw new QueryException();
|
|
}
|
|
|
|
return $this->serverContainer->query('\OCA\Spreed\Share\Helper\ShareAPIController');
|
|
}
|
|
|
|
|
|
/**
|
|
* Returns if we can find resharing rights in an IShare object for a specific user.
|
|
*
|
|
* @suppress PhanUndeclaredClassMethod
|
|
*
|
|
* @param string $userId
|
|
* @param IShare $share
|
|
* @param Node $node
|
|
* @return bool
|
|
* @throws NotFoundException
|
|
* @throws \OCP\Files\InvalidPathException
|
|
*/
|
|
private function shareProviderResharingRights(string $userId, IShare $share, $node): bool {
|
|
|
|
if ($share->getShareOwner() === $userId) {
|
|
return true;
|
|
}
|
|
|
|
// we check that current user have parent resharing rights on the current file
|
|
if ($node !== null && ($node->getPermissions() & \OCP\Constants::PERMISSION_SHARE) !== 0) {
|
|
return true;
|
|
}
|
|
|
|
if ((\OCP\Constants::PERMISSION_SHARE & $share->getPermissions()) === 0) {
|
|
return false;
|
|
}
|
|
|
|
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER && $share->getSharedWith() === $userId) {
|
|
return true;
|
|
}
|
|
|
|
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP && $this->groupManager->isInGroup($userId, $share->getSharedWith())) {
|
|
return true;
|
|
}
|
|
|
|
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_CIRCLE && \OC::$server->getAppManager()->isEnabledForUser('circles') &&
|
|
class_exists('\OCA\Circles\Api\v1\Circles')) {
|
|
$hasCircleId = (substr($share->getSharedWith(), -1) === ']');
|
|
$shareWithStart = ($hasCircleId ? strrpos($share->getSharedWith(), '[') + 1 : 0);
|
|
$shareWithLength = ($hasCircleId ? -1 : strpos($share->getSharedWith(), ' '));
|
|
if (is_bool($shareWithLength)) {
|
|
$shareWithLength = -1;
|
|
}
|
|
$sharedWith = substr($share->getSharedWith(), $shareWithStart, $shareWithLength);
|
|
try {
|
|
$member = \OCA\Circles\Api\v1\Circles::getMember($sharedWith, $userId, 1);
|
|
if ($member->getLevel() >= 4) {
|
|
return true;
|
|
}
|
|
return false;
|
|
} catch (QueryException $e) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
}
|