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gutachten_t3/typo3/sysext/install/Classes/Updates/FrontendUserImageUpdateWizard.php
T
2026-10-19 08:18:39 +02:00

334 lines
11 KiB
PHP

<?php
namespace TYPO3\CMS\Install\Updates;
/**
* 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 Doctrine\DBAL\DBALException;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
use TYPO3\CMS\Core\Core\Environment;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Database\Query\Expression\ExpressionBuilder;
use TYPO3\CMS\Core\Database\Query\Restriction\DeletedRestriction;
use TYPO3\CMS\Core\Registry;
use TYPO3\CMS\Core\Resource\File;
use TYPO3\CMS\Core\Resource\ResourceStorage;
use TYPO3\CMS\Core\Resource\StorageRepository;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\PathUtility;
/**
* Upgrade wizard which goes through all files referenced in fe_users::image
* and creates sys_file records as well as sys_file_reference records for each hit.
* @internal This class is only meant to be used within EXT:install and is not part of the TYPO3 Core API.
*/
class FrontendUserImageUpdateWizard implements UpgradeWizardInterface, LoggerAwareInterface
{
use LoggerAwareTrait;
/**
* Number of records fetched per database query
* Used to prevent memory overflows for huge databases
*/
const RECORDS_PER_QUERY = 1000;
/**
* @var ResourceStorage
*/
protected $storage;
/**
* Table to migrate records from
*
* @var string
*/
protected $table = 'fe_users';
/**
* Table field holding the migration to be
*
* @var string
*/
protected $fieldToMigrate = 'image';
/**
* the source file resides here
*
* @var string
*/
protected $sourcePath = 'uploads/pics/';
/**
* target folder after migration
* Relative to fileadmin
*
* @var string
*/
protected $targetPath = '_migrated/frontend_users/';
/**
* @var Registry
*/
protected $registry;
/**
* @var string
*/
protected $registryNamespace = 'FrontendUserImageUpdateWizard';
/**
* @var array
*/
protected $recordOffset = [];
/**
* @return string Unique identifier of this updater
*/
public function getIdentifier(): string
{
return 'frontendUserImageUpdateWizard';
}
/**
* @return string Title of this updater
*/
public function getTitle(): string
{
return 'Migrate all file relations from fe_users.image to sys_file_references';
}
/**
* @return string Longer description of this updater
*/
public function getDescription(): string
{
return 'This update wizard goes through all files that are referenced in the fe_users.image'
. ' field and adds the files to the FAL File Index. It also moves the files from'
. ' uploads/ to the fileadmin/_migrated/ path.';
}
/**
* Checks if an update is needed
*
* @return bool TRUE if an update is needed, FALSE otherwise
*/
public function updateNecessary(): bool
{
$this->registry = GeneralUtility::makeInstance(Registry::class);
return $this->registry->get($this->registryNamespace, 'recordOffset') === null;
}
/**
* @return string[] All new fields and tables must exist
*/
public function getPrerequisites(): array
{
return [
DatabaseUpdatedPrerequisite::class
];
}
/**
* Performs the database update.
*
* @return bool TRUE on success, FALSE on error
*/
public function executeUpdate(): bool
{
try {
$this->init();
if (!isset($this->recordOffset[$this->table])) {
$this->recordOffset[$this->table] = 0;
}
do {
$limit = $this->recordOffset[$this->table] . ',' . self::RECORDS_PER_QUERY;
$records = $this->getRecordsFromTable($limit);
foreach ($records as $record) {
$this->migrateField($record);
}
$this->registry->set($this->registryNamespace, 'recordOffset', $this->recordOffset);
} while (count($records) === self::RECORDS_PER_QUERY);
$this->registry->remove($this->registryNamespace, 'recordOffset');
} catch (\Exception $e) {
// Silently catch db errors
}
return true;
}
/**
* Initialize the storage repository.
*/
protected function init()
{
$storages = GeneralUtility::makeInstance(StorageRepository::class)->findAll();
$this->storage = $storages[0];
$this->registry = GeneralUtility::makeInstance(Registry::class);
$this->recordOffset = $this->registry->get($this->registryNamespace, 'recordOffset', []);
}
/**
* Get records from table where the field to migrate is not empty (NOT NULL and != '')
* and also not numeric (which means that it is migrated)
*
* @param int $limit Maximum number records to select
* @return array
* @throws \RuntimeException
*/
protected function getRecordsFromTable($limit)
{
$connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);
$queryBuilder = $connectionPool->getQueryBuilderForTable($this->table);
$queryBuilder->getRestrictions()
->removeAll()
->add(GeneralUtility::makeInstance(DeletedRestriction::class));
try {
return $queryBuilder
->select('uid', 'pid', $this->fieldToMigrate)
->from($this->table)
->where(
$queryBuilder->expr()->isNotNull($this->fieldToMigrate),
$queryBuilder->expr()->neq(
$this->fieldToMigrate,
$queryBuilder->createNamedParameter('', \PDO::PARAM_STR)
),
$queryBuilder->expr()->comparison(
'CAST(CAST(' . $queryBuilder->quoteIdentifier($this->fieldToMigrate) . ' AS DECIMAL) AS CHAR)',
ExpressionBuilder::NEQ,
'CAST(' . $queryBuilder->quoteIdentifier($this->fieldToMigrate) . ' AS CHAR)'
)
)
->orderBy('uid')
->setFirstResult($limit)
->execute()
->fetchAll();
} catch (DBALException $e) {
throw new \RuntimeException(
'Database query failed. Error was: ' . $e->getPrevious()->getMessage(),
1476050084
);
}
}
/**
* Migrates a single field.
*
* @param array $row
*/
protected function migrateField($row)
{
$fieldItems = GeneralUtility::trimExplode(',', $row[$this->fieldToMigrate], true);
if (empty($fieldItems) || is_numeric($row[$this->fieldToMigrate])) {
return;
}
$fileadminDirectory = rtrim($GLOBALS['TYPO3_CONF_VARS']['BE']['fileadminDir'], '/') . '/';
$i = 0;
$storageUid = (int)$this->storage->getUid();
$connectionPool = GeneralUtility::makeInstance(ConnectionPool::class);
foreach ($fieldItems as $item) {
$fileUid = null;
$sourcePath = Environment::getPublicPath() . '/' . $this->sourcePath . $item;
$targetDirectory = Environment::getPublicPath() . '/' . $fileadminDirectory . $this->targetPath;
$targetPath = $targetDirectory . PathUtility::basename($item);
// maybe the file was already moved, so check if the original file still exists
if (file_exists($sourcePath)) {
if (!is_dir($targetDirectory)) {
GeneralUtility::mkdir_deep($targetDirectory);
}
// see if the file already exists in the storage
$fileSha1 = sha1_file($sourcePath);
$queryBuilder = $connectionPool->getQueryBuilderForTable('sys_file');
$queryBuilder->getRestrictions()->removeAll();
$existingFileRecord = $queryBuilder->select('uid')->from('sys_file')->where(
$queryBuilder->expr()->eq(
'sha1',
$queryBuilder->createNamedParameter($fileSha1, \PDO::PARAM_STR)
),
$queryBuilder->expr()->eq(
'storage',
$queryBuilder->createNamedParameter($storageUid, \PDO::PARAM_INT)
)
)->execute()->fetch();
// the file exists, the file does not have to be moved again
if (is_array($existingFileRecord)) {
$fileUid = $existingFileRecord['uid'];
} else {
// just move the file (no duplicate)
rename($sourcePath, $targetPath);
}
}
if ($fileUid === null) {
// get the File object if it hasn't been fetched before
try {
// if the source file does not exist, we should just continue, but leave a message in the docs;
// ideally, the user would be informed after the update as well.
/** @var File $file */
$file = $this->storage->getFile($this->targetPath . $item);
$fileUid = $file->getUid();
} catch (\InvalidArgumentException $e) {
// no file found, no reference can be set
$this->logger->notice(
'File ' . $this->sourcePath . $item . ' does not exist. Reference was not migrated.',
[
'table' => $this->table,
'record' => $row,
'field' => $this->fieldToMigrate,
]
);
continue;
}
}
if ($fileUid > 0) {
$fields = [
'fieldname' => $this->fieldToMigrate,
'table_local' => 'sys_file',
'pid' => $this->table === 'pages' ? $row['uid'] : $row['pid'],
'uid_foreign' => $row['uid'],
'uid_local' => $fileUid,
'tablenames' => $this->table,
'crdate' => time(),
'tstamp' => time(),
'sorting_foreign' => $i,
];
$queryBuilder = $connectionPool->getQueryBuilderForTable('sys_file_reference');
$queryBuilder->insert('sys_file_reference')->values($fields)->execute();
++$i;
}
}
// Update referencing table's original field to now contain the count of references,
// but only if all new references could be set
if ($i === count($fieldItems)) {
$queryBuilder = $connectionPool->getQueryBuilderForTable($this->table);
$queryBuilder->update($this->table)->where(
$queryBuilder->expr()->eq(
'uid',
$queryBuilder->createNamedParameter($row['uid'], \PDO::PARAM_INT)
)
)->set($this->fieldToMigrate, $i)->execute();
} else {
$this->recordOffset[$this->table]++;
}
}
}