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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\Form\Mvc\Validation;
use TYPO3\CMS\Core\Resource\File;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Domain\Model\FileReference;
use TYPO3\CMS\Extbase\Validation\Validator\AbstractValidator;
use TYPO3\CMS\Form\Mvc\Property\TypeConverter\PseudoFile;
use TYPO3\CMS\Form\Mvc\Validation\Exception\InvalidValidationOptionsException;
/**
* Validator for countable types
*
* Scope: frontend
* @internal
*/
final class FileSizeValidator extends AbstractValidator
{
/**
* @var array
*/
protected $supportedOptions = [
'minimum' => ['0B', 'The minimum file size to accept', 'string'],
'maximum' => [PHP_INT_MAX . 'B', 'The maximum file size to accept', 'string'],
];
/**
* The given value is valid
*
* @param FileReference|File|PseudoFile $resource
*/
public function isValid(mixed $resource): void
{
$this->validateOptions();
if ($resource instanceof FileReference) {
$fileSize = $resource->getOriginalResource()->getSize();
} elseif ($resource instanceof File) {
$fileSize = $resource->getSize();
} elseif ($resource instanceof PseudoFile) {
$fileSize = $resource->getSize();
} else {
$this->addError(
$this->translateErrorMessage(
'validation.error.1505303626',
'form'
),
1505303626
);
return;
}
$minFileSize = GeneralUtility::getBytesFromSizeMeasurement($this->options['minimum']);
$maxFileSize = GeneralUtility::getBytesFromSizeMeasurement($this->options['maximum']);
$labels = ' Bytes| Kilobyte| Megabyte| Gigabyte';
if ($fileSize < $minFileSize) {
$this->addError(
$this->translateErrorMessage(
'validation.error.1505305752',
'form',
[GeneralUtility::formatSize($minFileSize, $labels)]
),
1505305752,
[GeneralUtility::formatSize($minFileSize, $labels)]
);
}
if ($fileSize > $maxFileSize) {
$this->addError(
$this->translateErrorMessage(
'validation.error.1505305753',
'form',
[GeneralUtility::formatSize($maxFileSize, $labels)]
),
1505305753,
[GeneralUtility::formatSize($maxFileSize, $labels)]
);
}
}
/**
* Checks if this validator is correctly configured
*
* @throws InvalidValidationOptionsException if the configured validation options are incorrect
*/
protected function validateOptions(): void
{
if (!preg_match('/^(\d*\.?\d+)(B|K|M|G)$/i', $this->options['minimum'])) {
throw new InvalidValidationOptionsException('The option "minimum" has an invalid format. Valid formats are something like this: "10B|K|M|G".', 1505304205);
}
if (!preg_match('/^(\d*\.?\d+)(B|K|M|G)$/i', $this->options['maximum'])) {
throw new InvalidValidationOptionsException('The option "maximum" has an invalid format. Valid formats are something like this: "10B|K|M|G".', 1505304206);
}
}
}