sforkowany z mirror/friendica
40 wiersze
1.3 KiB
PHP
40 wiersze
1.3 KiB
PHP
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<?php
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class HTMLPurifier_Filter_YouTube extends HTMLPurifier_Filter
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{
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public $name = 'YouTube';
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public function preFilter($html, $config, $context) {
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$pre_regex = '#<object[^>]+>.+?'.
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'http://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+).+?</object>#s';
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$pre_replace = '<span class="youtube-embed">\1</span>';
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return preg_replace($pre_regex, $pre_replace, $html);
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}
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public function postFilter($html, $config, $context) {
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$post_regex = '#<span class="youtube-embed">((?:v|cp)/[A-Za-z0-9\-_=]+)</span>#';
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return preg_replace_callback($post_regex, array($this, 'postFilterCallback'), $html);
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}
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protected function armorUrl($url) {
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return str_replace('--', '--', $url);
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}
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protected function postFilterCallback($matches) {
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$url = $this->armorUrl($matches[1]);
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return '<object width="425" height="350" type="application/x-shockwave-flash" '.
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'data="http://www.youtube.com/'.$url.'">'.
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'<param name="movie" value="http://www.youtube.com/'.$url.'"></param>'.
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'<!--[if IE]>'.
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'<embed src="http://www.youtube.com/'.$url.'"'.
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'type="application/x-shockwave-flash"'.
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'wmode="transparent" width="425" height="350" />'.
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'<![endif]-->'.
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'</object>';
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}
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}
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// vim: et sw=4 sts=4
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