CollectionBasedValidator.php

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<?php
declare(strict_types = 1);
namespace TYPO3\CMS\Form\Domain\Configuration\FormDefinition\Validators;

/*
 * 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 TYPO3\CMS\Core\Utility\ArrayUtility;
use TYPO3\CMS\Form\Domain\Configuration\Exception\PropertyException;

abstract class CollectionBasedValidator extends AbstractValidator
{

    public function validatePropertyCollectionElementPropertyValueByHmacData(
        array $currentElement,
        $value,
        string $sessionToken,
        ValidationDto $dto
    ) {
        $hmacDataPath = $this->buildHmacDataPath($dto->getPropertyPath());
        if (ArrayUtility::isValidPath($currentElement, $hmacDataPath, '.')) {
            $hmacData = ArrayUtility::getValueByPath($currentElement, $hmacDataPath, '.');

            $hmacContent = [
                $dto->getFormElementIdentifier(),
                $dto->getPropertyCollectionName(),
                $dto->getPropertyCollectionElementIdentifier(),
                $dto->getPropertyPath()
            ];

            if (!$this->getFormDefinitionValidationService()->isPropertyValueEqualToHistoricalValue($hmacContent, $value, $hmacData, $sessionToken)) {
                $message = 'The value "%s" of property "%s" (form element "%s" / "%s.%s") is not equal to the historical value "%s" #1528591586';
                throw new PropertyException(
                    sprintf(
                        $message,
                        $value,
                        $dto->getPropertyPath(),
                        $dto->getFormElementIdentifier(),
                        $dto->getPropertyCollectionName(),
                        $dto->getPropertyCollectionElementIdentifier(),
                        $hmacData['value'] ?? ''
                    ),
                    1528591586
                );
            }
        } else {
            $message = 'No hmac found for property "%s" (form element "%s" / "%s.%s") #1528591585';
            throw new PropertyException(
                sprintf(
                    $message,
                    $dto->getPropertyPath(),
                    $dto->getFormElementIdentifier(),
                    $dto->getPropertyCollectionName(),
                    $dto->getPropertyCollectionElementIdentifier()
                ),
                1528591585
            );
        }
    }
}