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TYPO3 v15 dev-main snapshot ()

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wappler
2026-08-10 22:31:00 +02:00
commit f9941541b7
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Classes/Hooks/DataHandlerContentElementRestrictionHook.php
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<?php
declare(strict_types=1);
/*
* 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!
*/
namespace TYPO3\CMS\Backend\Hooks;
use Symfony\Component\DependencyInjection\Attribute\Autoconfigure;
use TYPO3\CMS\Backend\Utility\BackendUtility;
use TYPO3\CMS\Backend\View\BackendLayoutView;
use TYPO3\CMS\Core\DataHandling\DataHandler;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Core\Utility\MathUtility;
/**
* Handle content element CType restrictions based on backend layout (via "allowedContentTypes" and
* "disallowedContentTypes" backend layout column configuration). The hook removes the item from the
* job list if not allowed.
*/
#[Autoconfigure(public: true)]
readonly class DataHandlerContentElementRestrictionHook
{
public function __construct(
private BackendLayoutView $backendLayoutView,
) {}
public function processCmdmap_beforeStart(DataHandler $dataHandler): void
{
$cmdmap = $dataHandler->cmdmap;
if (empty($cmdmap['tt_content']) || $dataHandler->bypassAccessCheckForRecords) {
return;
}
foreach ($cmdmap['tt_content'] as $id => $incomingFieldArray) {
foreach ($incomingFieldArray as $command => $value) {
if (!in_array($command, ['copy', 'move'], true)) {
continue;
}
$currentRecord = BackendUtility::getRecord('tt_content', $id);
if (empty($currentRecord['CType'] ?? '')) {
continue;
}
if (is_array($value) && !empty($value['action']) && $value['action'] === 'paste' && isset($value['update']['colPos'])) {
// Moving / pasting to a new colPos on a potentially different page
$pageId = (int)$value['target'];
$colPos = (int)$value['update']['colPos'];
} else {
$pageId = (int)$value;
$colPos = (int)$currentRecord['colPos'];
}
if ($pageId < 0) {
$targetRecord = BackendUtility::getRecord('tt_content', abs($pageId));
$pageId = (int)$targetRecord['pid'];
$colPos = (int)$targetRecord['colPos'];
}
$backendLayout = $this->backendLayoutView->getBackendLayoutForPage($pageId);
$columnConfiguration = $this->backendLayoutView->getColPosConfigurationForPage($backendLayout, $colPos, $pageId);
$allowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['allowedContentTypes'] ?? '', true);
$disallowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['disallowedContentTypes'] ?? '', true);
if ((!empty($allowedContentElementsInTargetColPos) && !in_array($currentRecord['CType'], $allowedContentElementsInTargetColPos, true))
|| (!empty($disallowedContentElementsInTargetColPos) && in_array($currentRecord['CType'], $disallowedContentElementsInTargetColPos, true))
) {
// Not allowed to move or copy to target. Unset this command and create a log entry which may be turned into a notification when called by BE.
unset($dataHandler->cmdmap['tt_content'][$id]);
$dataHandler->log('tt_content', $id, 1, null, 1, 'The command "%s" for record "tt_content:%s" with CType "%s" to colPos "%s" couldn\'t be executed due to disallowed value(s).', null, [$command, $id, $currentRecord['CType'], $colPos]);
}
}
}
}
public function processDatamap_beforeStart(DataHandler $dataHandler): void
{
$datamap = $dataHandler->datamap;
if (empty($datamap['tt_content']) || $dataHandler->bypassAccessCheckForRecords) {
return;
}
foreach ($datamap['tt_content'] as $id => $incomingFieldArray) {
if (MathUtility::canBeInterpretedAsInteger($id)) {
$record = BackendUtility::getRecord('tt_content', $id);
if (!is_array($record)) {
// Skip this if the record could not be determined for whatever reason
continue;
}
$recordData = array_merge($record, $incomingFieldArray);
} else {
$recordData = array_merge($dataHandler->defaultValues['tt_content'] ?? [], $incomingFieldArray);
}
if (empty($recordData['CType']) || !array_key_exists('colPos', $recordData)) {
// No idea what happened here, but we stop with this record if there is no CType or colPos
continue;
}
$pageId = (int)$recordData['pid'];
if ($pageId < 0) {
$previousRecord = BackendUtility::getRecord('tt_content', abs($pageId), 'pid');
if ($previousRecord === null) {
// Broken target data. Stop here and let DH handle this mess.
continue;
}
$pageId = (int)$previousRecord['pid'];
}
$colPos = (int)$recordData['colPos'];
$backendLayout = $this->backendLayoutView->getBackendLayoutForPage($pageId);
$columnConfiguration = $this->backendLayoutView->getColPosConfigurationForPage($backendLayout, $colPos, $pageId);
$allowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['allowedContentTypes'] ?? '', true);
$disallowedContentElementsInTargetColPos = GeneralUtility::trimExplode(',', $columnConfiguration['disallowedContentTypes'] ?? '', true);
if ((!empty($allowedContentElementsInTargetColPos) && !in_array($recordData['CType'], $allowedContentElementsInTargetColPos, true))
|| (!empty($disallowedContentElementsInTargetColPos) && in_array($recordData['CType'], $disallowedContentElementsInTargetColPos, true))
) {
// Not allowed to create in this colPos on this page. Unset this command and create a log entry which may be turned into a notification when called by BE.
unset($dataHandler->datamap['tt_content'][$id]);
$dataHandler->log('tt_content', $id, 1, null, 1, 'The record "tt_content:%s" with CType "%s" in colPos "%s" couldn\'t be saved due to disallowed value(s).', null, [$id, $recordData['CType'], $colPos]);
}
}
}
}