154 lines
3.9 KiB
PHP
154 lines
3.9 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2018 John Molakvoæ <skjnldsv@protonmail.com>
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*
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* @author John Molakvoæ <skjnldsv@protonmail.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 OC\Repair\NC15;
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use OCP\IConfig;
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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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use Sabre\VObject\Reader;
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use Sabre\VObject\ParseException;
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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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/** @var ILogger */
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private $logger;
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private $updateQuery;
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public function __construct(IDBConnection $connection, IConfig $config, ILogger $logger) {
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$this->connection = $connection;
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$this->config = $config;
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$this->logger = $logger;
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}
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public function getName() {
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return 'Extract the vcard uid and store it in the db';
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}
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/**
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* @return \Generator
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* @suppress SqlInjectionChecker
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*/
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private function getInvalidEntries() {
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$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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* @param IOutput $output the output logger
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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, IOutput $output): string {
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try {
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$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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} catch (ParseException $e) {
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$output->warning('One vCard is broken. We logged the exception and will continue the repair.');
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$this->logger->logException($e);
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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(IOutput $output): int {
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$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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$cardData = $entry['carddata'];
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if (is_resource($cardData)) {
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$cardData = stream_get_contents($cardData);
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}
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$uid = $this->getUID($cardData, $output);
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$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 = $this->repair($output);
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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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