ProcessedFileRepository.php

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<?php
namespace ‪TYPO3\CMS\Core\Resource;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
use ‪TYPO3\CMS\Core\Database\Connection;
use ‪TYPO3\CMS\Core\Database\ConnectionPool;
use ‪TYPO3\CMS\Core\Imaging\ImageManipulation\Area;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪ProcessedFileRepository extends ‪AbstractRepository implements LoggerAwareInterface
{
    use LoggerAwareTrait;
 
    protected ‪$objectType = ProcessedFile::class;
 
    protected ‪$table = 'sys_file_processedfile';
 
    protected ‪$tableColumns = [];
 
    public function ‪__construct()
    {
        parent::__construct();
    }
 
    public function ‪createNewProcessedFileObject(‪FileInterface $originalFile, $taskType, array $configuration)
    {
        return GeneralUtility::makeInstance(
            $this->objectType,
            $originalFile,
            $taskType,
            $configuration
        );
    }
 
    protected function ‪createDomainObject(array $databaseRow)
    {
        $originalFile = $this->factory->getFileObject((int)$databaseRow['original']);
        $originalFile->setStorage($this->factory->getStorageObject($originalFile->‪getProperty('storage')));
        $taskType = $databaseRow['task_type'];
        // Allow deserialization of Area class, since Area objects get serialized in configuration
        // TODO: This should be changed to json encode and decode at some point
        $configuration = unserialize(
            $databaseRow['configuration'],
            [
                'allowed_classes' => [
                    Area::class,
                ],
            ]
        );
 
        return GeneralUtility::makeInstance(
            $this->objectType,
            $originalFile,
            $taskType,
            $configuration,
            $databaseRow
        );
    }
 
    public function ‪findByStorageAndIdentifier(‪ResourceStorage $storage, $identifier)
    {
        $processedFileObject = null;
        if ($storage->‪hasFile($identifier)) {
            $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable($this->table);
            $databaseRow = $queryBuilder
                ->select('*')
                ->from($this->table)
                ->where(
                    $queryBuilder->expr()->eq(
                        'storage',
                        $queryBuilder->createNamedParameter($storage->‪getUid(), \PDO::PARAM_INT)
                    ),
                    $queryBuilder->expr()->eq(
                        'identifier',
                        $queryBuilder->createNamedParameter($identifier, \PDO::PARAM_STR)
                    )
                )
                ->execute()
                ->fetch();
 
            if ($databaseRow) {
                $processedFileObject = $this->‪createDomainObject($databaseRow);
            }
        }
        return $processedFileObject;
    }
 
    public function ‪countByStorage(‪ResourceStorage $storage): int
    {
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable($this->table);
        return (int)$queryBuilder
            ->count('uid')
            ->from($this->table)
            ->where(
                $queryBuilder->expr()->eq(
                    'storage',
                    $queryBuilder->createNamedParameter($storage->‪getUid(), \PDO::PARAM_INT)
                )
            )
            ->execute()
            ->fetchColumn(0);
    }
 
    public function ‪add($processedFile)
    {
        if ($processedFile->isPersisted()) {
            $this->‪update($processedFile);
        } else {
            $insertFields = $processedFile->toArray();
            $insertFields['crdate'] = $insertFields['tstamp'] = time();
            $insertFields = $this->‪cleanUnavailableColumns($insertFields);
 
            $connection = GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable($this->table);
 
            $connection->insert(
                $this->table,
                $insertFields,
                ['configuration' => ‪Connection::PARAM_LOB]
            );
 
            $uid = $connection->lastInsertId($this->table);
            $processedFile->updateProperties(['uid' => $uid]);
        }
    }
 
    public function ‪update($processedFile)
    {
        if ($processedFile->isPersisted()) {
            $uid = (int)$processedFile->getUid();
            $updateFields = $this->‪cleanUnavailableColumns($processedFile->toArray());
            $updateFields['tstamp'] = time();
 
            $connection = GeneralUtility::makeInstance(ConnectionPool::class)->getConnectionForTable($this->table);
            $connection->update(
                $this->table,
                $updateFields,
                [
                    'uid' => (int)$uid
                ],
                ['configuration' => ‪Connection::PARAM_LOB]
            );
        }
    }
 
    public function ‪findOneByOriginalFileAndTaskTypeAndConfiguration(‪FileInterface $file, $taskType, array $configuration)
    {
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable($this->table);
 
        $databaseRow = $queryBuilder
            ->select('*')
            ->from($this->table)
            ->where(
                $queryBuilder->expr()->eq(
                    'original',
                    $queryBuilder->createNamedParameter($file->getUid(), \PDO::PARAM_INT)
                ),
                $queryBuilder->expr()->eq('task_type', $queryBuilder->createNamedParameter($taskType, \PDO::PARAM_STR)),
                $queryBuilder->expr()->eq(
                    'configurationsha1',
                    $queryBuilder->createNamedParameter(sha1(serialize($configuration)), \PDO::PARAM_STR)
                )
            )
            ->execute()
            ->fetch();
 
        if (is_array($databaseRow)) {
            $processedFile = $this->‪createDomainObject($databaseRow);
        } else {
            $processedFile = $this->‪createNewProcessedFileObject($file, $taskType, $configuration);
        }
        return $processedFile;
    }
 
    public function ‪findAllByOriginalFile(‪FileInterface $file)
    {
        if (!$file instanceof ‪File) {
            throw new \InvalidArgumentException('Parameter is no File object but got type "'
                . (is_object($file) ? get_class($file) : gettype($file)) . '"', 1382006142);
        }
 
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable($this->table);
        $result = $queryBuilder
            ->select('*')
            ->from($this->table)
            ->where(
                $queryBuilder->expr()->eq(
                    'original',
                    $queryBuilder->createNamedParameter($file->getUid(), \PDO::PARAM_INT)
                )
            )
            ->execute();
 
        $itemList = [];
        while ($row = $result->fetch()) {
            $itemList[] = $this->‪createDomainObject($row);
        }
        return $itemList;
    }
 
    public function ‪removeAll($storageUid = null)
    {
        $queryBuilder = GeneralUtility::makeInstance(ConnectionPool::class)
            ->getQueryBuilderForTable($this->table);
        $where = [
            $queryBuilder->expr()->neq('identifier', $queryBuilder->createNamedParameter('', \PDO::PARAM_STR))
        ];
        if ($storageUid !== null) {
            $where[] = $queryBuilder->expr()->eq(
                'storage',
                $queryBuilder->createNamedParameter($storageUid, \PDO::PARAM_INT)
            );
        }
        $result = $queryBuilder
            ->select('*')
            ->from($this->table)
            ->where(...$where)
            ->execute();
 
        $errorCount = 0;
 
        while ($row = $result->fetch()) {
            if ($storageUid && (int)$storageUid !== (int)$row['storage']) {
                continue;
            }
            try {
                $file = $this->‪createDomainObject($row);
                $file->‪getStorage()->‪setEvaluatePermissions(false);
                $file->‪delete(true);
            } catch (\‪Exception $e) {
                $this->logger->error(
                    'Failed to delete file "' . $row['identifier'] . '" in storage uid ' . $row['storage'] . '.',
                    [
                        'exception' => $e
                    ]
                );
                ++$errorCount;
            }
        }
 
        if ($storageUid === null) {
            // Truncate entire table if not restricted to specific storage
            GeneralUtility::makeInstance(ConnectionPool::class)
                ->getConnectionForTable($this->table)
                ->truncate($this->table);
        } else {
            // else remove db rows of this storage only
            GeneralUtility::makeInstance(ConnectionPool::class)
                ->getConnectionForTable($this->table)
                ->delete($this->table, ['storage' => $storageUid], [\PDO::PARAM_INT]);
        }
 
        return $errorCount;
    }
 
    protected function ‪cleanUnavailableColumns(array $data)
    {
        // As determining the table columns is a costly operation this is done only once during runtime and cached then
        if (empty($this->tableColumns[$this->table])) {
            $this->tableColumns[‪$this->table] = GeneralUtility::makeInstance(ConnectionPool::class)
                ->getConnectionForTable($this->table)
                ->getSchemaManager()
                ->listTableColumns($this->table);
        }
 
        return array_intersect_key($data, $this->tableColumns[$this->table]);
    }
}