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<?php |
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/** |
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* @author Thomas Müller <[email protected]> |
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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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owncloud /
core
