100 lines
2.6 KiB
PHP
100 lines
2.6 KiB
PHP
<?php
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/**
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @copyright Copyright (c) 2018, ownCloud GmbH
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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\DAV\Repair;
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use OCA\DAV\Connector\Sabre\Principal;
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use OCP\IDBConnection;
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use OCP\ILogger;
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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 RemoveInvalidShares - removes shared calendars and addressbook which
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* have no matching principal. Happened because of a bug in the calendar app.
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*
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* @package OCA\DAV\Repair
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*/
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class RemoveInvalidShares implements IRepairStep {
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/** @var IDBConnection */
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private $connection;
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/** @var Principal */
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private $principalBackend;
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/**
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* RemoveInvalidShares constructor.
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*
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* @param IDBConnection $connection
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* @param Principal $principalBackend
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*/
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public function __construct(IDBConnection $connection,
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Principal $principalBackend) {
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$this->connection = $connection;
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$this->principalBackend = $principalBackend;
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}
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/**
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* Returns the step's name
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*
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* @return string
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* @since 9.1.0
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*/
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public function getName() {
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return 'Remove invalid calendar and addressbook shares';
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}
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/**
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* Run repair step.
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* Must throw exception on error.
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*
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* @param IOutput $output
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* @throws \Exception in case of failure
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* @since 9.1.0
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*/
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public function run(IOutput $output) {
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$query = $this->connection->getQueryBuilder();
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$result = $query->selectDistinct('principaluri')
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->from('dav_shares')
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->execute();
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while($row = $result->fetch()) {
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$principaluri = $row['principaluri'];
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$p = $this->principalBackend->getPrincipalByPath($principaluri);
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if ($p === null) {
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$output->info(" ... for principal '$principaluri'");
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$this->deleteSharesForPrincipal($principaluri);
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}
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}
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$result->closeCursor();
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}
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/**
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* @param string $principaluri
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*/
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private function deleteSharesForPrincipal($principaluri) {
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$delete = $this->connection->getQueryBuilder();
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$delete->delete('dav_shares')
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->where($delete->expr()->eq('principaluri', $delete->createNamedParameter($principaluri)));
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$delete->execute();
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}
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}
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