2016-06-13 14:14:38 +03:00
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<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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2016-07-21 18:07:57 +03:00
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*
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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2016-06-13 14:14:38 +03:00
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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\Repair;
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use OCP\Files\IRootFolder;
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use OCP\IDBConnection;
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use OCP\IUser;
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use OCP\IUserManager;
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use OCP\Migration\IOutput;
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use OCP\Migration\IRepairStep;
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/**
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* Class RemoveRootShares
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*
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* @package OC\Repair
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*/
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class RemoveRootShares implements IRepairStep {
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/** @var IDBConnection */
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protected $connection;
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/** @var IUserManager */
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protected $userManager;
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/** @var IRootFolder */
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protected $rootFolder;
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/**
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* RemoveRootShares constructor.
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*
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* @param IDBConnection $connection
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* @param IUserManager $userManager
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* @param IRootFolder $rootFolder
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*/
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public function __construct(IDBConnection $connection,
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IUserManager $userManager,
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IRootFolder $rootFolder) {
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$this->connection = $connection;
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$this->userManager = $userManager;
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$this->rootFolder = $rootFolder;
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}
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/**
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* @return string
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*/
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public function getName() {
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return 'Remove shares of a users root folder';
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}
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/**
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* @param IOutput $output
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*/
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public function run(IOutput $output) {
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if ($this->rootSharesExist()) {
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$this->removeRootShares($output);
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}
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}
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/**
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* @param IOutput $output
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*/
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private function removeRootShares(IOutput $output) {
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$function = function(IUser $user) use ($output) {
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$userFolder = $this->rootFolder->getUserFolder($user->getUID());
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$fileId = $userFolder->getId();
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$qb = $this->connection->getQueryBuilder();
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$qb->delete('share')
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->where($qb->expr()->eq('file_source', $qb->createNamedParameter($fileId)))
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->andWhere($qb->expr()->orX(
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$qb->expr()->eq('item_type', $qb->expr()->literal('file')),
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$qb->expr()->eq('item_type', $qb->expr()->literal('folder'))
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));
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$qb->execute();
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$output->advance();
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};
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2016-10-19 11:03:29 +03:00
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$output->startProgress($this->userManager->countSeenUsers());
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2016-06-13 14:14:38 +03:00
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2016-10-19 11:03:29 +03:00
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$this->userManager->callForSeenUsers($function);
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2016-06-13 14:14:38 +03:00
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$output->finishProgress();
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}
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/**
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* Verify if this repair steps is required
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* It *should* not be necessary in most cases and it can be very
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* costly.
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*
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* @return bool
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*/
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private function rootSharesExist() {
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$qb = $this->connection->getQueryBuilder();
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$qb2 = $this->connection->getQueryBuilder();
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$qb->select('fileid')
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->from('filecache')
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->where($qb->expr()->eq('path', $qb->expr()->literal('files')));
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$qb2->select('id')
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->from('share')
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->where($qb2->expr()->in('file_source', $qb2->createFunction($qb->getSQL())))
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->andWhere($qb2->expr()->orX(
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$qb2->expr()->eq('item_type', $qb->expr()->literal('file')),
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$qb2->expr()->eq('item_type', $qb->expr()->literal('folder'))
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))
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->setMaxResults(1);
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$cursor = $qb2->execute();
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$data = $cursor->fetch();
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$cursor->closeCursor();
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if ($data === false) {
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return false;
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}
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return true;
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}
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}
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