54 lines
2.4 KiB
PHP
54 lines
2.4 KiB
PHP
<?php
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namespace Misuzu\Parsers\BBCode\Tags;
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use Misuzu\Parsers\BBCode\BBCodeTag;
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final class VideoTag extends BBCodeTag {
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private const YOUTUBE_REGEX = '#^(?:www\.)?youtube(?:-nocookie)?\.(?:[a-z]{2,63})$#u';
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private const YOUTUBE_EMBED = '<iframe width="560" height="315" src="https://www.youtube-nocookie.com/embed/%s?rel=0" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>';
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private const NICODOUGA_EMBED = '<script async type="application/javascript" src="https://embed.nicovideo.jp/watch/%1$s/script?w=560&h=315" width="560" height="315"></script><noscript><a href="https://www.nicovideo.jp/watch/%1$s">Embedded Video</a></noscript>';
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public function parseText(string $text): string {
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return preg_replace_callback(
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'#\[video\]((?:https?:\/\/).+?)\[/video\]#',
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function ($matches) {
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$url = parse_url($matches[1]);
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if(empty($url['scheme']) || !in_array(mb_strtolower($url['scheme']), ['http', 'https'], true)) {
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return $matches[0];
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}
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$url['host'] = mb_strtolower($url['host']);
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// support youtube playlists?
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if($url['host'] === 'youtu.be' || $url['host'] === 'www.youtu.be') {
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return sprintf(self::YOUTUBE_EMBED, $url['path']);
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}
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if(!empty($url['query']) && ($url['path'] ?? '') === '/watch' && preg_match(self::YOUTUBE_REGEX, $url['host'])) {
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parse_str(html_entity_decode($url['query']), $ytQuery);
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if(!empty($ytQuery['v']) && preg_match('#^([a-zA-Z0-9_-]+)$#u', $ytQuery['v'])) {
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return sprintf(self::YOUTUBE_EMBED, $ytQuery['v']);
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}
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}
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if($url['host'] === 'nicovideo.jp' || $url['host'] === 'www.nicovideo.jp') {
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$splitPath = explode('/', trim($url['path'], '/'));
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if(count($splitPath) > 1 && $splitPath[0] === 'watch') {
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return sprintf(self::NICODOUGA_EMBED, $splitPath[1]);
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}
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}
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//$mediaUrl = url_proxy_media($matches[1]);
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$mediaUrl = $matches[1];
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return sprintf('<video controls src="%s" style="max-width:100%%;max-height:100%%;"></video>', $mediaUrl);
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},
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$text
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);
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}
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}
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