<?php

namespace WPDT;

// It's not clear to me whether or not Punycode means that hostnames
// do not have canonical forms anymore. As far as I can tell, it's
// not a problem (punycoding should be identity when no Unicode
// points are involved), but I'm not 100% sure
class HTMLPurifier_URIFilter_HostBlacklist extends \WPDT\HTMLPurifier_URIFilter
{
    /**
     * @type string
     */
    public $name = 'HostBlacklist';
    /**
     * @type array
     */
    protected $blacklist = array();
    /**
     * @param HTMLPurifier_Config $config
     * @return bool
     */
    public function prepare($config)
    {
        $this->blacklist = $config->get('URI.HostBlacklist');
        return \true;
    }
    /**
     * @param HTMLPurifier_URI $uri
     * @param HTMLPurifier_Config $config
     * @param HTMLPurifier_Context $context
     * @return bool
     */
    public function filter(&$uri, $config, $context)
    {
        foreach ($this->blacklist as $blacklisted_host_fragment) {
            if ($uri->host !== null && \strpos($uri->host, $blacklisted_host_fragment) !== \false) {
                return \false;
            }
        }
        return \true;
    }
}
// vim: et sw=4 sts=4
