/**
* include/enable HTMLPurifier
*
* @access private
* @param $config - optional config array passed to HTMLPurifier
* @return object
**/
private static function getPurifier($config = NULL)
{
if (is_object(self::$purifier)) {
return self::$purifier;
}
if (!class_exists('HTMLPurifier', false)) {
$path = CAT_Helper_Directory::getInstance()->sanitizePath(CAT_PATH . '/modules/lib_htmlpurifier/htmlpurifier/library/HTMLPurifier.auto.php');
if (!file_exists($path)) {
CAT_Object::getInstance()->printFatalError('Missing library HTMLPurifier!');
}
include $path;
}
$pconfig = HTMLPurifier_Config::createDefault();
if ($config && is_array($config)) {
foreach ($config as $key => $val) {
$pconfig->set($key, $val);
}
}
$pconfig->set('AutoFormat.Linkify', TRUE);
$pconfig->set('URI.Disable', false);
// allow most HTML but not all (no forms, for example)
$pconfig->set('HTML.Allowed', 'a[href|title],abbr[title],acronym[title],b,blockquote[cite],br,caption,cite,code,dd,del,dfn,div,dl,dt,em,h1,h2,h3,h4,h5,h6,i,img[src|alt|title|class],ins,kbd,li,ol,p,pre,s,strike,strong,sub,sup,table,tbody,td,tfoot,th,thead,tr,tt,u,ul,var');
self::$purifier = new HTMLPurifier($pconfig);
return self::$purifier;
}
