9.5/_file_size_validator_8php_source.html

<?php

declare(strict_types = 1);

namespace ‪TYPO3\CMS\Form\Mvc\Validation;


/*

 * 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\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;


class ‪FileSizeValidator extends ‪AbstractValidator

{

    protected ‪$supportedOptions = [

        'minimum' => ['0B', 'The minimum file size to accept', 'string'],

        'maximum' => [PHP_INT_MAX . 'B', 'The maximum file size to accept', 'string']

    ];


    public function ‪isValid($resource)

    {

        $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)]

            );

        }

    }


    protected function ‪validateOptions()

    {

        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);

        }

    }

}