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<?php |
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/** |
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* @copyright Copyright (c) 2018 John Molakvoæ <[email protected]> |
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* |
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* @author John Molakvoæ <[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 OC\Repair\NC15; |
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use OCP\IConfig; |
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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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use Sabre\VObject\Reader; |
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class SetVcardDatabaseUID implements IRepairStep { |
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const MAX_ROWS = 1000; |
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/** @var IDBConnection */ |
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private $connection; |
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/** @var IConfig */ |
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private $config; |
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private $updateQuery; |
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public function __construct(IDBConnection $connection, IConfig $config) { |
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$this->connection = $connection; |
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$this->config = $config; |
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} |
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public function getName() { |
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return 'Extract the vcard uid and store it in the db'; |
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} |
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/** |
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* @return \Generator |
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* @suppress SqlInjectionChecker |
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*/ |
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private function getInvalidEntries() { |
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$builder = $this->connection->getQueryBuilder(); |
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$builder->select('id', 'carddata') |
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->from('cards') |
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->where($builder->expr()->isNull('uid')) |
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->setMaxResults(self::MAX_ROWS); |
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do { |
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$result = $builder->execute(); |
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$rows = $result->fetchAll(); |
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foreach ($rows as $row) { |
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yield $row; |
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} |
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$result->closeCursor(); |
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} while (count($rows) > 0); |
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} |
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/** |
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* Extract UID from vcard |
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* |
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* @param string $cardData the vcard raw data |
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* @return string the uid or empty if none |
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*/ |
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private function getUID(string $cardData): string { |
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$vCard = Reader::read($cardData); |
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if ($vCard->UID) { |
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$uid = $vCard->UID->getValue(); |
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return $uid; |
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} |
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return ''; |
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} |
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/** |
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* @param int $id |
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* @param string $uid |
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*/ |
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private function update(int $id, string $uid) { |
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if (!$this->updateQuery) { |
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$builder = $this->connection->getQueryBuilder(); |
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$this->updateQuery = $builder->update('cards') |
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->set('uid', $builder->createParameter('uid')) |
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->where($builder->expr()->eq('id', $builder->createParameter('id'))); |
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} |
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$this->updateQuery->setParameter('id', $id); |
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$this->updateQuery->setParameter('uid', $uid); |
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$this->updateQuery->execute(); |
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} |
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private function repair(): int { |
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$this->connection->beginTransaction(); |
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$entries = $this->getInvalidEntries(); |
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$count = 0; |
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foreach ($entries as $entry) { |
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$count++; |
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$uid = $this->getUID($entry['carddata']); |
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$this->update($entry['id'], $uid); |
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} |
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$this->connection->commit(); |
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return $count; |
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} |
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private function shouldRun() { |
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$versionFromBeforeUpdate = $this->config->getSystemValue('version', '0.0.0.0'); |
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// was added to 15.0.0.2 |
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return version_compare($versionFromBeforeUpdate, '15.0.0.2', '<='); |
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} |
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public function run(IOutput $output) { |
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if ($this->shouldRun()) { |
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$count = $this->repair(); |
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$output->info('Fixed ' . $count . ' vcards'); |
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} |
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} |
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} |
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nextcloud /
server
