9.5/_you_tube_helper_8php_source.html

<?php

namespace ‪TYPO3\CMS\Core\Resource\OnlineMedia\Helpers;


/*

 * 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\Resource\Folder;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪YouTubeHelper extends ‪AbstractOEmbedHelper

{

    public function ‪getPublicUrl(‪File $file, $relativeToCurrentScript = false)

    {

        $videoId = $this->‪getOnlineMediaId($file);

        return sprintf('https://www.youtube.com/watch?v=%s', rawurlencode($videoId));

    }


    public function ‪getPreviewImage(‪File $file)

    {

        $videoId = $this->‪getOnlineMediaId($file);

        $temporaryFileName = $this->‪getTempFolderPath() . 'youtube_' . md5($videoId) . '.jpg';


        if (!file_exists($temporaryFileName)) {

            $tryNames = ['maxresdefault.jpg', 'mqdefault.jpg', '0.jpg'];

            foreach ($tryNames as $tryName) {

                $previewImage = GeneralUtility::getUrl(

                    sprintf('https://img.youtube.com/vi/%s/%s', $videoId, $tryName)

                );

                if ($previewImage !== false) {

                    file_put_contents($temporaryFileName, $previewImage);

                    GeneralUtility::fixPermissions($temporaryFileName);

                    break;

                }

            }

        }


        return $temporaryFileName;

    }


    public function ‪transformUrlToFile($url, ‪Folder $targetFolder)

    {

        $videoId = null;

        // Try to get the YouTube code from given url.

        // These formats are supported with and without http(s)://

        // - youtu.be/<code> # Share URL

        // - www.youtube.com/watch?v=<code> # Normal web link

        // - www.youtube.com/v/<code>

        // - www.youtube-nocookie.com/v/<code> # youtube-nocookie.com web link

        // - www.youtube.com/embed/<code> # URL form iframe embed code, can also get code from full iframe snippet

        if (preg_match('%(?:youtube(?:-nocookie)?\.com/(?:[^/]+/.+/|(?:v|e(?:mbed)?)/|.*[?&]v=)|youtu\.be/)([^"&?/ ]{11})%i', $url, $match)) {

            $videoId = $match[1];

        }

        if (empty($videoId)) {

            return null;

        }

        return $this->‪transformMediaIdToFile($videoId, $targetFolder, $this->extension);

    }


    protected function ‪getOEmbedUrl($mediaId, $format = 'json')

    {

        return sprintf(

            'https://www.youtube.com/oembed?url=%s&format=%s',

            rawurlencode(sprintf('https://www.youtube.com/watch?v=%s', rawurlencode($mediaId))),

            rawurlencode($format)

        );

    }

}