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<?php |
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/** |
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* @copyright Copyright (c) 2019 Joas Schilling <[email protected]> |
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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 $deletedEvents activity entries"); |
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} |
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protected function removePrivateEventActivity() { |
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$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 = $result->fetch()) { |
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$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 $deletedEvents; |
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} |
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protected function removeConfidentialUncensoredEventActivity() { |
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$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 = $result->fetch()) { |
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$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 $deletedEvents; |
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} |
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protected function getPrincipal($principalUri) { |
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$uri = explode('/', $principalUri); |
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return $uri[2]; |
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} |
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} |
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nextcloud /
server
