#i', '', $html);
return $html;
}
/**
*
* @param string $html
* @param HTMLPurifier_Config $config
* @param HTMLPurifier_Context $context
* @return string
*/
public function postFilter($html, $config, $context)
{
$post_regex = '#![]()
]+?)>#';
return preg_replace_callback($post_regex, array($this, 'postFilterCallback'), $html);
}
/**
*
* @param array $matches
* @return string
*/
protected function postFilterCallback($matches)
{
// Domain Whitelist
$youTubeMatch = preg_match('#src="(https:)?//www.youtube(-nocookie)?.com/#i', $matches[1]);
$vimeoMatch = preg_match('#://player.vimeo.com/#i', $matches[1]);
$googleMapsMatch = preg_match('#src="https://maps.google.com/#i', $matches[1]);
if ($youTubeMatch || $vimeoMatch || $googleMapsMatch) {
$extra = ' frameborder="0"';
if ($youTubeMatch) {
$extra .= ' allowfullscreen';
} elseif ($vimeoMatch) {
$extra .= ' webkitAllowFullScreen mozallowfullscreen allowFullScreen';
}
return '';
} else {
return '';
}
}
}