9.5/_you_tube_renderer_8php_source.html

<?php

namespace ‪TYPO3\CMS\Core\Resource\Rendering;


/*

 * 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\FileInterface;

use ‪TYPO3\CMS\Core\Resource\FileReference;

use ‪TYPO3\CMS\Core\Resource\OnlineMedia\Helpers\OnlineMediaHelperInterface;

use ‪TYPO3\CMS\Core\Resource\OnlineMedia\Helpers\OnlineMediaHelperRegistry;

use ‪TYPO3\CMS\Core\Utility\GeneralUtility;


class ‪YouTubeRenderer implements ‪FileRendererInterface

{

    protected ‪$onlineMediaHelper;


    public function ‪getPriority()

    {

        return 1;

    }


    public function ‪canRender(‪FileInterface $file)

    {

        return ($file->‪getMimeType() === 'video/youtube' || $file->‪getExtension() === 'youtube') && $this->‪getOnlineMediaHelper($file) !== false;

    }


    protected function ‪getOnlineMediaHelper(‪FileInterface $file)

    {

        if ($this->onlineMediaHelper === null) {

            $orgFile = $file;

            if ($orgFile instanceof ‪FileReference) {

                $orgFile = $orgFile->getOriginalFile();

            }

            if ($orgFile instanceof ‪File) {

                $this->onlineMediaHelper = ‪OnlineMediaHelperRegistry::getInstance()->‪getOnlineMediaHelper($orgFile);

            } else {

                $this->onlineMediaHelper = false;

            }

        }

        return ‪$this->onlineMediaHelper;

    }


    public function ‪render(‪FileInterface $file, $width, $height, array $options = [], $usedPathsRelativeToCurrentScript = false)

    {

        $options = $this->‪collectOptions($options, $file);

        $src = $this->‪createYouTubeUrl($options, $file);

        $attributes = $this->‪collectIframeAttributes($width, $height, $options);


        return sprintf(

            '<iframe src="%s"%s></iframe>',

            htmlspecialchars($src, ENT_QUOTES | ENT_HTML5),

            empty($attributes) ? '' : ' ' . $this->‪implodeAttributes($attributes)

        );

    }


    protected function ‪collectOptions(array $options, ‪FileInterface $file)

    {

        // Check for an autoplay option at the file reference itself, if not overridden yet.

        if (!isset($options['autoplay']) && $file instanceof ‪FileReference) {

            $autoplay = $file->‪getProperty('autoplay');

            if ($autoplay !== null) {

                $options['autoplay'] = $autoplay;

            }

        }


        $showPlayerControls = 1;

        $options['controls'] = (int)!empty($options['controls'] ?? $showPlayerControls);


        if (!isset($options['allow'])) {

            $options['allow'] = 'fullscreen';

            if (!empty($options['autoplay'])) {

                $options['allow'] = 'autoplay; fullscreen';

            }

        }

        return $options;

    }


    protected function ‪createYouTubeUrl(array $options, ‪FileInterface $file)

    {

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


        $urlParams = ['autohide=1'];

        $urlParams[] = 'controls=' . $options['controls'];

        if (!empty($options['autoplay'])) {

            $urlParams[] = 'autoplay=1';

        }

        if (!empty($options['modestbranding'])) {

            $urlParams[] = 'modestbranding=1';

        }

        if (!empty($options['loop'])) {

            $urlParams[] = 'loop=1&playlist=' . rawurlencode($videoId);

        }

        if (isset($options['relatedVideos'])) {

            $urlParams[] = 'rel=' . (int)(bool)$options['relatedVideos'];

        }

        if (!isset($options['enablejsapi']) || !empty($options['enablejsapi'])) {

            $urlParams[] = 'enablejsapi=1&origin=' . rawurlencode(GeneralUtility::getIndpEnv('TYPO3_REQUEST_HOST'));

        }


        $youTubeUrl = sprintf(

            'https://www.youtube%s.com/embed/%s?%s',

            !isset($options['no-cookie']) || !empty($options['no-cookie']) ? '-nocookie' : '',

            rawurlencode($videoId),

            implode('&', $urlParams)

        );


        return $youTubeUrl;

    }


    protected function ‪getVideoIdFromFile(‪FileInterface $file)

    {

        if ($file instanceof ‪FileReference) {

            $orgFile = $file->getOriginalFile();

        } else {

            $orgFile = $file;

        }


        return $this->‪getOnlineMediaHelper($file)->‪getOnlineMediaId($orgFile);

    }


    protected function ‪collectIframeAttributes($width, $height, array $options)

    {

        $attributes = [];

        $attributes['allowfullscreen'] = true;


        if (isset($options['additionalAttributes']) && is_array($options['additionalAttributes'])) {

            $attributes = array_merge($attributes, $options['additionalAttributes']);

        }

        if (isset($options['data']) && is_array($options['data'])) {

            array_walk($options['data'], function (&$value, $key) use (&$attributes) {

                $attributes['data-' . $key] = $value;

            });

        }

        if ((int)$width > 0) {

            $attributes['width'] = (int)$width;

        }

        if ((int)$height > 0) {

            $attributes['height'] = (int)$height;

        }

        if (isset(‪$GLOBALS['TSFE']) && is_object(‪$GLOBALS['TSFE']) && (isset(‪$GLOBALS['TSFE']->config['config']['doctype']) && ‪$GLOBALS['TSFE']->config['config']['doctype'] !== 'html5')) {

            $attributes['frameborder'] = 0;

        }

        foreach (['class', 'dir', 'id', 'lang', 'style', 'title', 'accesskey', 'tabindex', 'onclick', 'poster', 'preload', 'allow'] as $key) {

            if (!empty($options[$key])) {

                $attributes[$key] = $options[$key];

            }

        }


        return $attributes;

    }


    protected function ‪implodeAttributes(array $attributes): string

    {

        $attributeList = [];

        foreach ($attributes as $name => $value) {

            $name = preg_replace('/[^\p{L}0-9_.-]/u', '', $name);

            if ($value === true) {

                $attributeList[] = $name;

            } else {

                $attributeList[] = $name . '="' . htmlspecialchars($value, ENT_QUOTES | ENT_HTML5) . '"';

            }

        }

        return implode(' ', $attributeList);

    }

}