132 lines
4.7 KiB
PHP
132 lines
4.7 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2019 Joas Schilling <coding@schilljs.com>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program 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 as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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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
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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\Migration;
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use OCA\DAV\CalDAV\CalDavBackend;
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use OCP\IDBConnection;
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use OCP\Migration\IOutput;
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use OCP\Migration\IRepairStep;
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class RemoveClassifiedEventActivity implements IRepairStep {
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/** @var IDBConnection */
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private $connection;
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public function __construct(IDBConnection $connection) {
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$this->connection = $connection;
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}
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/**
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* @inheritdoc
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*/
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public function getName() {
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return 'Remove activity entries of private events';
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}
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/**
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* @inheritdoc
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*/
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public function run(IOutput $output) {
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if (!$this->connection->tableExists('activity')) {
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return;
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}
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$deletedEvents = $this->removePrivateEventActivity();
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$deletedEvents += $this->removeConfidentialUncensoredEventActivity();
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$output->info("Removed $deletedEvents activity entries");
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}
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protected function removePrivateEventActivity(): int {
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$deletedEvents = 0;
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$delete = $this->connection->getQueryBuilder();
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$delete->delete('activity')
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->where($delete->expr()->neq('affecteduser', $delete->createParameter('owner')))
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->andWhere($delete->expr()->eq('object_type', $delete->createParameter('type')))
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->andWhere($delete->expr()->eq('object_id', $delete->createParameter('calendar_id')))
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->andWhere($delete->expr()->like('subjectparams', $delete->createParameter('event_uid')));
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$query = $this->connection->getQueryBuilder();
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$query->select('c.principaluri', 'o.calendarid', 'o.uid')
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->from('calendarobjects', 'o')
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->leftJoin('o', 'calendars', 'c', $query->expr()->eq('c.id', 'o.calendarid'))
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->where($query->expr()->eq('o.classification', $query->createNamedParameter(CalDavBackend::CLASSIFICATION_PRIVATE)));
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$result = $query->execute();
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while ($row = $result->fetch()) {
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if ($row['principaluri'] === null) {
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continue;
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}
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$delete->setParameter('owner', $this->getPrincipal($row['principaluri']))
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->setParameter('type', 'calendar')
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->setParameter('calendar_id', $row['calendarid'])
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->setParameter('event_uid', '%' . $this->connection->escapeLikeParameter('{"id":"' . $row['uid'] . '"') . '%');
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$deletedEvents += $delete->execute();
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}
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$result->closeCursor();
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return $deletedEvents;
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}
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protected function removeConfidentialUncensoredEventActivity(): int {
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$deletedEvents = 0;
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$delete = $this->connection->getQueryBuilder();
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$delete->delete('activity')
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->where($delete->expr()->neq('affecteduser', $delete->createParameter('owner')))
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->andWhere($delete->expr()->eq('object_type', $delete->createParameter('type')))
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->andWhere($delete->expr()->eq('object_id', $delete->createParameter('calendar_id')))
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->andWhere($delete->expr()->like('subjectparams', $delete->createParameter('event_uid')))
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->andWhere($delete->expr()->notLike('subjectparams', $delete->createParameter('filtered_name')));
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$query = $this->connection->getQueryBuilder();
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$query->select('c.principaluri', 'o.calendarid', 'o.uid')
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->from('calendarobjects', 'o')
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->leftJoin('o', 'calendars', 'c', $query->expr()->eq('c.id', 'o.calendarid'))
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->where($query->expr()->eq('o.classification', $query->createNamedParameter(CalDavBackend::CLASSIFICATION_CONFIDENTIAL)));
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$result = $query->execute();
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while ($row = $result->fetch()) {
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if ($row['principaluri'] === null) {
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continue;
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}
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$delete->setParameter('owner', $this->getPrincipal($row['principaluri']))
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->setParameter('type', 'calendar')
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->setParameter('calendar_id', $row['calendarid'])
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->setParameter('event_uid', '%' . $this->connection->escapeLikeParameter('{"id":"' . $row['uid'] . '"') . '%')
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->setParameter('filtered_name', '%' . $this->connection->escapeLikeParameter('{"id":"' . $row['uid'] . '","name":"Busy"') . '%');
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$deletedEvents += $delete->execute();
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}
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$result->closeCursor();
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return $deletedEvents;
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}
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protected function getPrincipal(string $principalUri): string {
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$uri = explode('/', $principalUri);
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return array_pop($uri);
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}
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}
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