1071 lines
33 KiB
PHP
1071 lines
33 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Björn Schießle <bjoern@schiessle.org>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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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 OC\Share20;
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use OC\Files\Cache\Cache;
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use OC\Files\Cache\CacheEntry;
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use OCP\Files\File;
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use OCP\Files\Folder;
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use OCP\Share\IShareProvider;
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use OC\Share20\Exception\InvalidShare;
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use OC\Share20\Exception\ProviderException;
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use OCP\Share\Exceptions\ShareNotFound;
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use OC\Share20\Exception\BackendError;
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use OCP\DB\QueryBuilder\IQueryBuilder;
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use OCP\IGroup;
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use OCP\IGroupManager;
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use OCP\IUserManager;
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use OCP\Files\IRootFolder;
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use OCP\IDBConnection;
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use OCP\Files\Node;
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/**
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* Class DefaultShareProvider
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*
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* @package OC\Share20
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*/
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class DefaultShareProvider implements IShareProvider {
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// Special share type for user modified group shares
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const SHARE_TYPE_USERGROUP = 2;
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/** @var IDBConnection */
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private $dbConn;
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/** @var IUserManager */
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private $userManager;
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/** @var IGroupManager */
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private $groupManager;
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/** @var IRootFolder */
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private $rootFolder;
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/**
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* DefaultShareProvider constructor.
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*
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* @param IDBConnection $connection
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* @param IUserManager $userManager
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* @param IGroupManager $groupManager
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* @param IRootFolder $rootFolder
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*/
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public function __construct(
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IDBConnection $connection,
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IUserManager $userManager,
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IGroupManager $groupManager,
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IRootFolder $rootFolder) {
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$this->dbConn = $connection;
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$this->userManager = $userManager;
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$this->groupManager = $groupManager;
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$this->rootFolder = $rootFolder;
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}
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/**
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* Return the identifier of this provider.
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*
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* @return string Containing only [a-zA-Z0-9]
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*/
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public function identifier() {
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return 'ocinternal';
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}
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/**
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* Share a path
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*
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* @param \OCP\Share\IShare $share
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* @return \OCP\Share\IShare The share object
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* @throws ShareNotFound
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* @throws \Exception
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*/
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public function create(\OCP\Share\IShare $share) {
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$qb = $this->dbConn->getQueryBuilder();
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$qb->insert('share');
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$qb->setValue('share_type', $qb->createNamedParameter($share->getShareType()));
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
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//Set the UID of the user we share with
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$qb->setValue('share_with', $qb->createNamedParameter($share->getSharedWith()));
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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//Set the GID of the group we share with
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$qb->setValue('share_with', $qb->createNamedParameter($share->getSharedWith()));
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
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//Set the token of the share
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$qb->setValue('token', $qb->createNamedParameter($share->getToken()));
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//If a password is set store it
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if ($share->getPassword() !== null) {
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$qb->setValue('share_with', $qb->createNamedParameter($share->getPassword()));
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}
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//If an expiration date is set store it
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if ($share->getExpirationDate() !== null) {
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$qb->setValue('expiration', $qb->createNamedParameter($share->getExpirationDate(), 'datetime'));
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}
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if (method_exists($share, 'getParent')) {
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$qb->setValue('parent', $qb->createNamedParameter($share->getParent()));
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}
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} else {
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throw new \Exception('invalid share type!');
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}
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// Set what is shares
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$qb->setValue('item_type', $qb->createParameter('itemType'));
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if ($share->getNode() instanceof \OCP\Files\File) {
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$qb->setParameter('itemType', 'file');
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} else {
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$qb->setParameter('itemType', 'folder');
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}
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// Set the file id
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$qb->setValue('item_source', $qb->createNamedParameter($share->getNode()->getId()));
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$qb->setValue('file_source', $qb->createNamedParameter($share->getNode()->getId()));
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// set the permissions
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$qb->setValue('permissions', $qb->createNamedParameter($share->getPermissions()));
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// Set who created this share
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$qb->setValue('uid_initiator', $qb->createNamedParameter($share->getSharedBy()));
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// Set who is the owner of this file/folder (and this the owner of the share)
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$qb->setValue('uid_owner', $qb->createNamedParameter($share->getShareOwner()));
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// Set the file target
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$qb->setValue('file_target', $qb->createNamedParameter($share->getTarget()));
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// Set the time this share was created
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$qb->setValue('stime', $qb->createNamedParameter(time()));
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// insert the data and fetch the id of the share
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$this->dbConn->beginTransaction();
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$qb->execute();
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$id = $this->dbConn->lastInsertId('*PREFIX*share');
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// Now fetch the inserted share and create a complete share object
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$qb = $this->dbConn->getQueryBuilder();
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$qb->select('*')
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->from('share')
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->where($qb->expr()->eq('id', $qb->createNamedParameter($id)));
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$cursor = $qb->execute();
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$data = $cursor->fetch();
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$this->dbConn->commit();
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$cursor->closeCursor();
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if ($data === false) {
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throw new ShareNotFound();
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}
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$share = $this->createShare($data);
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return $share;
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}
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/**
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* Update a share
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*
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* @param \OCP\Share\IShare $share
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* @return \OCP\Share\IShare The share object
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*/
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public function update(\OCP\Share\IShare $share) {
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
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/*
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* We allow updating the recipient on user shares.
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*/
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$qb = $this->dbConn->getQueryBuilder();
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$qb->update('share')
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->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())))
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->set('share_with', $qb->createNamedParameter($share->getSharedWith()))
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->set('uid_owner', $qb->createNamedParameter($share->getShareOwner()))
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->set('uid_initiator', $qb->createNamedParameter($share->getSharedBy()))
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->set('permissions', $qb->createNamedParameter($share->getPermissions()))
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->set('item_source', $qb->createNamedParameter($share->getNode()->getId()))
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->set('file_source', $qb->createNamedParameter($share->getNode()->getId()))
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->execute();
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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$qb = $this->dbConn->getQueryBuilder();
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$qb->update('share')
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->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())))
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->set('uid_owner', $qb->createNamedParameter($share->getShareOwner()))
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->set('uid_initiator', $qb->createNamedParameter($share->getSharedBy()))
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->set('permissions', $qb->createNamedParameter($share->getPermissions()))
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->set('item_source', $qb->createNamedParameter($share->getNode()->getId()))
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->set('file_source', $qb->createNamedParameter($share->getNode()->getId()))
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->execute();
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/*
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* Update all user defined group shares
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*/
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$qb = $this->dbConn->getQueryBuilder();
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$qb->update('share')
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->where($qb->expr()->eq('parent', $qb->createNamedParameter($share->getId())))
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->set('uid_owner', $qb->createNamedParameter($share->getShareOwner()))
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->set('uid_initiator', $qb->createNamedParameter($share->getSharedBy()))
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->set('item_source', $qb->createNamedParameter($share->getNode()->getId()))
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->set('file_source', $qb->createNamedParameter($share->getNode()->getId()))
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->execute();
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/*
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* Now update the permissions for all children that have not set it to 0
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*/
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$qb = $this->dbConn->getQueryBuilder();
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$qb->update('share')
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->where($qb->expr()->eq('parent', $qb->createNamedParameter($share->getId())))
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->andWhere($qb->expr()->neq('permissions', $qb->createNamedParameter(0)))
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->set('permissions', $qb->createNamedParameter($share->getPermissions()))
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->execute();
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
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$qb = $this->dbConn->getQueryBuilder();
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$qb->update('share')
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->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())))
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->set('share_with', $qb->createNamedParameter($share->getPassword()))
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->set('uid_owner', $qb->createNamedParameter($share->getShareOwner()))
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->set('uid_initiator', $qb->createNamedParameter($share->getSharedBy()))
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->set('permissions', $qb->createNamedParameter($share->getPermissions()))
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->set('item_source', $qb->createNamedParameter($share->getNode()->getId()))
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->set('file_source', $qb->createNamedParameter($share->getNode()->getId()))
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->set('token', $qb->createNamedParameter($share->getToken()))
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->set('expiration', $qb->createNamedParameter($share->getExpirationDate(), IQueryBuilder::PARAM_DATE))
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->execute();
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}
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return $share;
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}
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/**
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* Get all children of this share
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* FIXME: remove once https://github.com/owncloud/core/pull/21660 is in
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*
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* @param \OCP\Share\IShare $parent
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* @return \OCP\Share\IShare[]
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*/
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public function getChildren(\OCP\Share\IShare $parent) {
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$children = [];
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$qb = $this->dbConn->getQueryBuilder();
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$qb->select('*')
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->from('share')
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->where($qb->expr()->eq('parent', $qb->createNamedParameter($parent->getId())))
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->andWhere(
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$qb->expr()->in(
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'share_type',
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$qb->createNamedParameter([
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\OCP\Share::SHARE_TYPE_USER,
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\OCP\Share::SHARE_TYPE_GROUP,
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\OCP\Share::SHARE_TYPE_LINK,
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], IQueryBuilder::PARAM_INT_ARRAY)
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)
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)
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->andWhere($qb->expr()->orX(
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$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
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$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
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))
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->orderBy('id');
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$cursor = $qb->execute();
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while($data = $cursor->fetch()) {
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$children[] = $this->createShare($data);
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}
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$cursor->closeCursor();
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return $children;
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}
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/**
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* Delete a share
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*
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* @param \OCP\Share\IShare $share
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*/
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public function delete(\OCP\Share\IShare $share) {
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$qb = $this->dbConn->getQueryBuilder();
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$qb->delete('share')
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->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())));
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/*
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* If the share is a group share delete all possible
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* user defined groups shares.
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*/
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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$qb->orWhere($qb->expr()->eq('parent', $qb->createNamedParameter($share->getId())));
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}
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$qb->execute();
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}
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/**
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* Unshare a share from the recipient. If this is a group share
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* this means we need a special entry in the share db.
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*
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* @param \OCP\Share\IShare $share
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* @param string $recipient UserId of recipient
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* @throws BackendError
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* @throws ProviderException
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*/
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public function deleteFromSelf(\OCP\Share\IShare $share, $recipient) {
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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$group = $this->groupManager->get($share->getSharedWith());
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$user = $this->userManager->get($recipient);
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if (is_null($group)) {
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throw new ProviderException('Group "' . $share->getSharedWith() . '" does not exist');
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}
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if (!$group->inGroup($user)) {
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throw new ProviderException('Recipient not in receiving group');
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}
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// Try to fetch user specific share
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$qb = $this->dbConn->getQueryBuilder();
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$stmt = $qb->select('*')
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->from('share')
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->where($qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP)))
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->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($recipient)))
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->andWhere($qb->expr()->eq('parent', $qb->createNamedParameter($share->getId())))
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->andWhere($qb->expr()->orX(
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$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
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$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
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))
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->execute();
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$data = $stmt->fetch();
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/*
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* Check if there already is a user specific group share.
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* If there is update it (if required).
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*/
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if ($data === false) {
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$qb = $this->dbConn->getQueryBuilder();
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$type = $share->getNode() instanceof \OCP\Files\File ? 'file' : 'folder';
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//Insert new share
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$qb->insert('share')
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->values([
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'share_type' => $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP),
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'share_with' => $qb->createNamedParameter($recipient),
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'uid_owner' => $qb->createNamedParameter($share->getShareOwner()),
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'uid_initiator' => $qb->createNamedParameter($share->getSharedBy()),
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'parent' => $qb->createNamedParameter($share->getId()),
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'item_type' => $qb->createNamedParameter($type),
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'item_source' => $qb->createNamedParameter($share->getNode()->getId()),
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'file_source' => $qb->createNamedParameter($share->getNode()->getId()),
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'file_target' => $qb->createNamedParameter($share->getTarget()),
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'permissions' => $qb->createNamedParameter(0),
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'stime' => $qb->createNamedParameter($share->getShareTime()->getTimestamp()),
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])->execute();
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} else if ($data['permissions'] !== 0) {
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// Update existing usergroup share
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$qb = $this->dbConn->getQueryBuilder();
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$qb->update('share')
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->set('permissions', $qb->createNamedParameter(0))
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->where($qb->expr()->eq('id', $qb->createNamedParameter($data['id'])))
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->execute();
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}
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
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if ($share->getSharedWith() !== $recipient) {
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throw new ProviderException('Recipient does not match');
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}
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// We can just delete user and link shares
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$this->delete($share);
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} else {
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throw new ProviderException('Invalid shareType');
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}
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}
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/**
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* @inheritdoc
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*/
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public function move(\OCP\Share\IShare $share, $recipient) {
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if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
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// Just update the target
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$qb = $this->dbConn->getQueryBuilder();
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$qb->update('share')
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->set('file_target', $qb->createNamedParameter($share->getTarget()))
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->where($qb->expr()->eq('id', $qb->createNamedParameter($share->getId())))
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->execute();
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} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
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// Check if there is a usergroup share
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$qb = $this->dbConn->getQueryBuilder();
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$stmt = $qb->select('id')
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->from('share')
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->where($qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP)))
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->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($recipient)))
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->andWhere($qb->expr()->eq('parent', $qb->createNamedParameter($share->getId())))
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->andWhere($qb->expr()->orX(
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$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
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$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
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))
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->setMaxResults(1)
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->execute();
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$data = $stmt->fetch();
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$stmt->closeCursor();
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if ($data === false) {
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// No usergroup share yet. Create one.
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$qb = $this->dbConn->getQueryBuilder();
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$qb->insert('share')
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->values([
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'share_type' => $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP),
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'share_with' => $qb->createNamedParameter($recipient),
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'uid_owner' => $qb->createNamedParameter($share->getShareOwner()),
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'uid_initiator' => $qb->createNamedParameter($share->getSharedBy()),
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'parent' => $qb->createNamedParameter($share->getId()),
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'item_type' => $qb->createNamedParameter($share->getNode() instanceof File ? 'file' : 'folder'),
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'item_source' => $qb->createNamedParameter($share->getNode()->getId()),
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'file_source' => $qb->createNamedParameter($share->getNode()->getId()),
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'file_target' => $qb->createNamedParameter($share->getTarget()),
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'permissions' => $qb->createNamedParameter($share->getPermissions()),
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'stime' => $qb->createNamedParameter($share->getShareTime()->getTimestamp()),
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])->execute();
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} else {
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// Already a usergroup share. Update it.
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$qb = $this->dbConn->getQueryBuilder();
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$qb->update('share')
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->set('file_target', $qb->createNamedParameter($share->getTarget()))
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->where($qb->expr()->eq('id', $qb->createNamedParameter($data['id'])))
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->execute();
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}
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}
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return $share;
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}
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|
public function getSharesInFolder($userId, Folder $node, $reshares) {
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->select('*')
|
|
->from('share', 's')
|
|
->andWhere($qb->expr()->orX(
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
|
|
));
|
|
|
|
$qb->andWhere($qb->expr()->orX(
|
|
$qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_USER)),
|
|
$qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP)),
|
|
$qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_LINK))
|
|
));
|
|
|
|
/**
|
|
* Reshares for this user are shares where they are the owner.
|
|
*/
|
|
if ($reshares === false) {
|
|
$qb->andWhere($qb->expr()->eq('uid_initiator', $qb->createNamedParameter($userId)));
|
|
} else {
|
|
$qb->andWhere(
|
|
$qb->expr()->orX(
|
|
$qb->expr()->eq('uid_owner', $qb->createNamedParameter($userId)),
|
|
$qb->expr()->eq('uid_initiator', $qb->createNamedParameter($userId))
|
|
)
|
|
);
|
|
}
|
|
|
|
$qb->innerJoin('s', 'filecache' ,'f', 's.file_source = f.fileid');
|
|
$qb->andWhere($qb->expr()->eq('f.parent', $qb->createNamedParameter($node->getId())));
|
|
|
|
$qb->orderBy('id');
|
|
|
|
$cursor = $qb->execute();
|
|
$shares = [];
|
|
while ($data = $cursor->fetch()) {
|
|
$shares[$data['fileid']][] = $this->createShare($data);
|
|
}
|
|
$cursor->closeCursor();
|
|
|
|
return $shares;
|
|
}
|
|
|
|
/**
|
|
* @inheritdoc
|
|
*/
|
|
public function getSharesBy($userId, $shareType, $node, $reshares, $limit, $offset) {
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->select('*')
|
|
->from('share')
|
|
->andWhere($qb->expr()->orX(
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
|
|
));
|
|
|
|
$qb->andWhere($qb->expr()->eq('share_type', $qb->createNamedParameter($shareType)));
|
|
|
|
/**
|
|
* Reshares for this user are shares where they are the owner.
|
|
*/
|
|
if ($reshares === false) {
|
|
$qb->andWhere($qb->expr()->eq('uid_initiator', $qb->createNamedParameter($userId)));
|
|
} else {
|
|
$qb->andWhere(
|
|
$qb->expr()->orX(
|
|
$qb->expr()->eq('uid_owner', $qb->createNamedParameter($userId)),
|
|
$qb->expr()->eq('uid_initiator', $qb->createNamedParameter($userId))
|
|
)
|
|
);
|
|
}
|
|
|
|
if ($node !== null) {
|
|
$qb->andWhere($qb->expr()->eq('file_source', $qb->createNamedParameter($node->getId())));
|
|
}
|
|
|
|
if ($limit !== -1) {
|
|
$qb->setMaxResults($limit);
|
|
}
|
|
|
|
$qb->setFirstResult($offset);
|
|
$qb->orderBy('id');
|
|
|
|
$cursor = $qb->execute();
|
|
$shares = [];
|
|
while($data = $cursor->fetch()) {
|
|
$shares[] = $this->createShare($data);
|
|
}
|
|
$cursor->closeCursor();
|
|
|
|
return $shares;
|
|
}
|
|
|
|
/**
|
|
* @inheritdoc
|
|
*/
|
|
public function getShareById($id, $recipientId = null) {
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
|
|
$qb->select('*')
|
|
->from('share')
|
|
->where($qb->expr()->eq('id', $qb->createNamedParameter($id)))
|
|
->andWhere(
|
|
$qb->expr()->in(
|
|
'share_type',
|
|
$qb->createNamedParameter([
|
|
\OCP\Share::SHARE_TYPE_USER,
|
|
\OCP\Share::SHARE_TYPE_GROUP,
|
|
\OCP\Share::SHARE_TYPE_LINK,
|
|
], IQueryBuilder::PARAM_INT_ARRAY)
|
|
)
|
|
)
|
|
->andWhere($qb->expr()->orX(
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
|
|
));
|
|
|
|
$cursor = $qb->execute();
|
|
$data = $cursor->fetch();
|
|
$cursor->closeCursor();
|
|
|
|
if ($data === false) {
|
|
throw new ShareNotFound();
|
|
}
|
|
|
|
try {
|
|
$share = $this->createShare($data);
|
|
} catch (InvalidShare $e) {
|
|
throw new ShareNotFound();
|
|
}
|
|
|
|
// If the recipient is set for a group share resolve to that user
|
|
if ($recipientId !== null && $share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
|
|
$share = $this->resolveGroupShares([$share], $recipientId)[0];
|
|
}
|
|
|
|
return $share;
|
|
}
|
|
|
|
/**
|
|
* Get shares for a given path
|
|
*
|
|
* @param \OCP\Files\Node $path
|
|
* @return \OCP\Share\IShare[]
|
|
*/
|
|
public function getSharesByPath(Node $path) {
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
|
|
$cursor = $qb->select('*')
|
|
->from('share')
|
|
->andWhere($qb->expr()->eq('file_source', $qb->createNamedParameter($path->getId())))
|
|
->andWhere(
|
|
$qb->expr()->orX(
|
|
$qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_USER)),
|
|
$qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP))
|
|
)
|
|
)
|
|
->andWhere($qb->expr()->orX(
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
|
|
))
|
|
->execute();
|
|
|
|
$shares = [];
|
|
while($data = $cursor->fetch()) {
|
|
$shares[] = $this->createShare($data);
|
|
}
|
|
$cursor->closeCursor();
|
|
|
|
return $shares;
|
|
}
|
|
|
|
/**
|
|
* Returns whether the given database result can be interpreted as
|
|
* a share with accessible file (not trashed, not deleted)
|
|
*/
|
|
private function isAccessibleResult($data) {
|
|
// exclude shares leading to deleted file entries
|
|
if ($data['fileid'] === null) {
|
|
return false;
|
|
}
|
|
|
|
// exclude shares leading to trashbin on home storages
|
|
$pathSections = explode('/', $data['path'], 2);
|
|
// FIXME: would not detect rare md5'd home storage case properly
|
|
if ($pathSections[0] !== 'files'
|
|
&& in_array(explode(':', $data['storage_string_id'], 2)[0], array('home', 'object'))) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @inheritdoc
|
|
*/
|
|
public function getSharedWith($userId, $shareType, $node, $limit, $offset) {
|
|
/** @var Share[] $shares */
|
|
$shares = [];
|
|
|
|
if ($shareType === \OCP\Share::SHARE_TYPE_USER) {
|
|
//Get shares directly with this user
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->select('s.*',
|
|
'f.fileid', 'f.path', 'f.permissions AS f_permissions', 'f.storage', 'f.path_hash',
|
|
'f.parent AS f_parent', 'f.name', 'f.mimetype', 'f.mimepart', 'f.size', 'f.mtime', 'f.storage_mtime',
|
|
'f.encrypted', 'f.unencrypted_size', 'f.etag', 'f.checksum'
|
|
)
|
|
->selectAlias('st.id', 'storage_string_id')
|
|
->from('share', 's')
|
|
->leftJoin('s', 'filecache', 'f', $qb->expr()->eq('s.file_source', 'f.fileid'))
|
|
->leftJoin('f', 'storages', 'st', $qb->expr()->eq('f.storage', 'st.numeric_id'));
|
|
|
|
// Order by id
|
|
$qb->orderBy('s.id');
|
|
|
|
// Set limit and offset
|
|
if ($limit !== -1) {
|
|
$qb->setMaxResults($limit);
|
|
}
|
|
$qb->setFirstResult($offset);
|
|
|
|
$qb->where($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_USER)))
|
|
->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($userId)))
|
|
->andWhere($qb->expr()->orX(
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
|
|
));
|
|
|
|
// Filter by node if provided
|
|
if ($node !== null) {
|
|
$qb->andWhere($qb->expr()->eq('file_source', $qb->createNamedParameter($node->getId())));
|
|
}
|
|
|
|
$cursor = $qb->execute();
|
|
|
|
while($data = $cursor->fetch()) {
|
|
if ($this->isAccessibleResult($data)) {
|
|
$shares[] = $this->createShare($data);
|
|
}
|
|
}
|
|
$cursor->closeCursor();
|
|
|
|
} else if ($shareType === \OCP\Share::SHARE_TYPE_GROUP) {
|
|
$user = $this->userManager->get($userId);
|
|
$allGroups = $this->groupManager->getUserGroups($user);
|
|
|
|
/** @var Share[] $shares2 */
|
|
$shares2 = [];
|
|
|
|
$start = 0;
|
|
while(true) {
|
|
$groups = array_slice($allGroups, $start, 100);
|
|
$start += 100;
|
|
|
|
if ($groups === []) {
|
|
break;
|
|
}
|
|
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->select('s.*',
|
|
'f.fileid', 'f.path', 'f.permissions AS f_permissions', 'f.storage', 'f.path_hash',
|
|
'f.parent AS f_parent', 'f.name', 'f.mimetype', 'f.mimepart', 'f.size', 'f.mtime', 'f.storage_mtime',
|
|
'f.encrypted', 'f.unencrypted_size', 'f.etag', 'f.checksum'
|
|
)
|
|
->selectAlias('st.id', 'storage_string_id')
|
|
->from('share', 's')
|
|
->leftJoin('s', 'filecache', 'f', $qb->expr()->eq('s.file_source', 'f.fileid'))
|
|
->leftJoin('f', 'storages', 'st', $qb->expr()->eq('f.storage', 'st.numeric_id'))
|
|
->orderBy('s.id')
|
|
->setFirstResult(0);
|
|
|
|
if ($limit !== -1) {
|
|
$qb->setMaxResults($limit - count($shares));
|
|
}
|
|
|
|
// Filter by node if provided
|
|
if ($node !== null) {
|
|
$qb->andWhere($qb->expr()->eq('file_source', $qb->createNamedParameter($node->getId())));
|
|
}
|
|
|
|
$groups = array_map(function(IGroup $group) { return $group->getGID(); }, $groups);
|
|
|
|
$qb->andWhere($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP)))
|
|
->andWhere($qb->expr()->in('share_with', $qb->createNamedParameter(
|
|
$groups,
|
|
IQueryBuilder::PARAM_STR_ARRAY
|
|
)))
|
|
->andWhere($qb->expr()->orX(
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
|
|
));
|
|
|
|
$cursor = $qb->execute();
|
|
while($data = $cursor->fetch()) {
|
|
if ($offset > 0) {
|
|
$offset--;
|
|
continue;
|
|
}
|
|
|
|
if ($this->isAccessibleResult($data)) {
|
|
$shares2[] = $this->createShare($data);
|
|
}
|
|
}
|
|
$cursor->closeCursor();
|
|
}
|
|
|
|
/*
|
|
* Resolve all group shares to user specific shares
|
|
*/
|
|
$shares = $this->resolveGroupShares($shares2, $userId);
|
|
} else {
|
|
throw new BackendError('Invalid backend');
|
|
}
|
|
|
|
|
|
return $shares;
|
|
}
|
|
|
|
/**
|
|
* Get a share by token
|
|
*
|
|
* @param string $token
|
|
* @return \OCP\Share\IShare
|
|
* @throws ShareNotFound
|
|
*/
|
|
public function getShareByToken($token) {
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
|
|
$cursor = $qb->select('*')
|
|
->from('share')
|
|
->where($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_LINK)))
|
|
->andWhere($qb->expr()->eq('token', $qb->createNamedParameter($token)))
|
|
->andWhere($qb->expr()->orX(
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
|
|
))
|
|
->execute();
|
|
|
|
$data = $cursor->fetch();
|
|
|
|
if ($data === false) {
|
|
throw new ShareNotFound();
|
|
}
|
|
|
|
try {
|
|
$share = $this->createShare($data);
|
|
} catch (InvalidShare $e) {
|
|
throw new ShareNotFound();
|
|
}
|
|
|
|
return $share;
|
|
}
|
|
|
|
/**
|
|
* Create a share object from an database row
|
|
*
|
|
* @param mixed[] $data
|
|
* @return \OCP\Share\IShare
|
|
* @throws InvalidShare
|
|
*/
|
|
private function createShare($data) {
|
|
$share = new Share($this->rootFolder, $this->userManager);
|
|
$share->setId((int)$data['id'])
|
|
->setShareType((int)$data['share_type'])
|
|
->setPermissions((int)$data['permissions'])
|
|
->setTarget($data['file_target'])
|
|
->setMailSend((bool)$data['mail_send']);
|
|
|
|
$shareTime = new \DateTime();
|
|
$shareTime->setTimestamp((int)$data['stime']);
|
|
$share->setShareTime($shareTime);
|
|
|
|
if ($share->getShareType() === \OCP\Share::SHARE_TYPE_USER) {
|
|
$share->setSharedWith($data['share_with']);
|
|
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_GROUP) {
|
|
$share->setSharedWith($data['share_with']);
|
|
} else if ($share->getShareType() === \OCP\Share::SHARE_TYPE_LINK) {
|
|
$share->setPassword($data['share_with']);
|
|
$share->setToken($data['token']);
|
|
}
|
|
|
|
$share->setSharedBy($data['uid_initiator']);
|
|
$share->setShareOwner($data['uid_owner']);
|
|
|
|
$share->setNodeId((int)$data['file_source']);
|
|
$share->setNodeType($data['item_type']);
|
|
|
|
if ($data['expiration'] !== null) {
|
|
$expiration = \DateTime::createFromFormat('Y-m-d H:i:s', $data['expiration']);
|
|
$share->setExpirationDate($expiration);
|
|
}
|
|
|
|
if (isset($data['f_permissions'])) {
|
|
$entryData = $data;
|
|
$entryData['permissions'] = $entryData['f_permissions'];
|
|
$entryData['parent'] = $entryData['f_parent'];;
|
|
$share->setNodeCacheEntry(Cache::cacheEntryFromData($entryData,
|
|
\OC::$server->getMimeTypeLoader()));
|
|
}
|
|
|
|
$share->setProviderId($this->identifier());
|
|
|
|
return $share;
|
|
}
|
|
|
|
/**
|
|
* @param Share[] $shares
|
|
* @param $userId
|
|
* @return Share[] The updates shares if no update is found for a share return the original
|
|
*/
|
|
private function resolveGroupShares($shares, $userId) {
|
|
$result = [];
|
|
|
|
$start = 0;
|
|
while(true) {
|
|
/** @var Share[] $shareSlice */
|
|
$shareSlice = array_slice($shares, $start, 100);
|
|
$start += 100;
|
|
|
|
if ($shareSlice === []) {
|
|
break;
|
|
}
|
|
|
|
/** @var int[] $ids */
|
|
$ids = [];
|
|
/** @var Share[] $shareMap */
|
|
$shareMap = [];
|
|
|
|
foreach ($shareSlice as $share) {
|
|
$ids[] = (int)$share->getId();
|
|
$shareMap[$share->getId()] = $share;
|
|
}
|
|
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
|
|
$query = $qb->select('*')
|
|
->from('share')
|
|
->where($qb->expr()->in('parent', $qb->createNamedParameter($ids, IQueryBuilder::PARAM_INT_ARRAY)))
|
|
->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($userId)))
|
|
->andWhere($qb->expr()->orX(
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('file')),
|
|
$qb->expr()->eq('item_type', $qb->createNamedParameter('folder'))
|
|
));
|
|
|
|
$stmt = $query->execute();
|
|
|
|
while($data = $stmt->fetch()) {
|
|
$shareMap[$data['parent']]->setPermissions((int)$data['permissions']);
|
|
$shareMap[$data['parent']]->setTarget($data['file_target']);
|
|
}
|
|
|
|
$stmt->closeCursor();
|
|
|
|
foreach ($shareMap as $share) {
|
|
$result[] = $share;
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* A user is deleted from the system
|
|
* So clean up the relevant shares.
|
|
*
|
|
* @param string $uid
|
|
* @param int $shareType
|
|
*/
|
|
public function userDeleted($uid, $shareType) {
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
|
|
$qb->delete('share');
|
|
|
|
if ($shareType === \OCP\Share::SHARE_TYPE_USER) {
|
|
/*
|
|
* Delete all user shares that are owned by this user
|
|
* or that are received by this user
|
|
*/
|
|
|
|
$qb->where($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_USER)));
|
|
|
|
$qb->andWhere(
|
|
$qb->expr()->orX(
|
|
$qb->expr()->eq('uid_owner', $qb->createNamedParameter($uid)),
|
|
$qb->expr()->eq('share_with', $qb->createNamedParameter($uid))
|
|
)
|
|
);
|
|
} else if ($shareType === \OCP\Share::SHARE_TYPE_GROUP) {
|
|
/*
|
|
* Delete all group shares that are owned by this user
|
|
* Or special user group shares that are received by this user
|
|
*/
|
|
$qb->where(
|
|
$qb->expr()->andX(
|
|
$qb->expr()->orX(
|
|
$qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP)),
|
|
$qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP))
|
|
),
|
|
$qb->expr()->eq('uid_owner', $qb->createNamedParameter($uid))
|
|
)
|
|
);
|
|
|
|
$qb->orWhere(
|
|
$qb->expr()->andX(
|
|
$qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP)),
|
|
$qb->expr()->eq('share_with', $qb->createNamedParameter($uid))
|
|
)
|
|
);
|
|
} else if ($shareType === \OCP\Share::SHARE_TYPE_LINK) {
|
|
/*
|
|
* Delete all link shares owned by this user.
|
|
* And all link shares initiated by this user (until #22327 is in)
|
|
*/
|
|
$qb->where($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_LINK)));
|
|
|
|
$qb->andWhere(
|
|
$qb->expr()->orX(
|
|
$qb->expr()->eq('uid_owner', $qb->createNamedParameter($uid)),
|
|
$qb->expr()->eq('uid_initiator', $qb->createNamedParameter($uid))
|
|
)
|
|
);
|
|
}
|
|
|
|
$qb->execute();
|
|
}
|
|
|
|
/**
|
|
* Delete all shares received by this group. As well as any custom group
|
|
* shares for group members.
|
|
*
|
|
* @param string $gid
|
|
*/
|
|
public function groupDeleted($gid) {
|
|
/*
|
|
* First delete all custom group shares for group members
|
|
*/
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->select('id')
|
|
->from('share')
|
|
->where($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP)))
|
|
->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($gid)));
|
|
|
|
$cursor = $qb->execute();
|
|
$ids = [];
|
|
while($row = $cursor->fetch()) {
|
|
$ids[] = (int)$row['id'];
|
|
}
|
|
$cursor->closeCursor();
|
|
|
|
if (!empty($ids)) {
|
|
$chunks = array_chunk($ids, 100);
|
|
foreach ($chunks as $chunk) {
|
|
$qb->delete('share')
|
|
->where($qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP)))
|
|
->andWhere($qb->expr()->in('parent', $qb->createNamedParameter($chunk, IQueryBuilder::PARAM_INT_ARRAY)));
|
|
$qb->execute();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Now delete all the group shares
|
|
*/
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->delete('share')
|
|
->where($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP)))
|
|
->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($gid)));
|
|
$qb->execute();
|
|
}
|
|
|
|
/**
|
|
* Delete custom group shares to this group for this user
|
|
*
|
|
* @param string $uid
|
|
* @param string $gid
|
|
*/
|
|
public function userDeletedFromGroup($uid, $gid) {
|
|
/*
|
|
* Get all group shares
|
|
*/
|
|
$qb = $this->dbConn->getQueryBuilder();
|
|
$qb->select('id')
|
|
->from('share')
|
|
->where($qb->expr()->eq('share_type', $qb->createNamedParameter(\OCP\Share::SHARE_TYPE_GROUP)))
|
|
->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($gid)));
|
|
|
|
$cursor = $qb->execute();
|
|
$ids = [];
|
|
while($row = $cursor->fetch()) {
|
|
$ids[] = (int)$row['id'];
|
|
}
|
|
$cursor->closeCursor();
|
|
|
|
if (!empty($ids)) {
|
|
$chunks = array_chunk($ids, 100);
|
|
foreach ($chunks as $chunk) {
|
|
/*
|
|
* Delete all special shares wit this users for the found group shares
|
|
*/
|
|
$qb->delete('share')
|
|
->where($qb->expr()->eq('share_type', $qb->createNamedParameter(self::SHARE_TYPE_USERGROUP)))
|
|
->andWhere($qb->expr()->eq('share_with', $qb->createNamedParameter($uid)))
|
|
->andWhere($qb->expr()->in('parent', $qb->createNamedParameter($chunk, IQueryBuilder::PARAM_INT_ARRAY)));
|
|
$qb->execute();
|
|
}
|
|
}
|
|
}
|
|
}
|