ContentValidator.php

Go to the documentation of this file.

<?php
namespace Magento\Downloadable\Model\File;

use Magento\Downloadable\Api\Data\File\ContentInterface;
use Magento\Framework\Exception\InputException;

class ContentValidator
{
    public function isValid(ContentInterface $fileContent)
    {
        $decodedContent = @base64_decode($fileContent->getFileData(), true);
        if (empty($decodedContent)) {
            throw new InputException(__('Provided content must be valid base64 encoded data.'));
        }

        if (!$this->isFileNameValid($fileContent->getName())) {
            throw new InputException(__('Provided file name contains forbidden characters.'));
        }
        return true;
    }

    protected function isFileNameValid($fileName)
    {
        // Cannot contain \ / : * ? " < > |
        if (!preg_match('/^[^\\/?*:";<>()|{}\\\\]+$/', $fileName)) {
            return false;
        }
        return true;
    }
}