public static function isBlacklisted($url)
{
@($url_parsed = parse_url($url));
if (isset($url_parsed['host'])) {
$url = $url_parsed['host'] . '/';
//follow google canonicalization rules
$url = urldecode($url);
//remove hex encodings
$url = preg_replace('/^\\.*/', '', $url);
//remove leading dots
$url = preg_replace('/\\.*$/', '', $url);
//remove trailing dots
$url = preg_replace('/\\.+/', '.', $url);
//replace consecutive dots
$url = preg_replace('/\\/+/', '/', $url);
//replace consecutive slashes
$hash = md5($url);
$sql = "SELECT * FROM `malware_hashes` WHERE `hash` = '{$hash}'";
$result = DatabaseFactory::ea_safe_browsing_db()->query($sql);
return $result->num_rows ? true : false;
}
}
