/**
* Returns the last IP address in a comma separated list, subject to an optional exclusion list.
*
* @param string $csv Comma separated list of elements.
* @param array $excludedIps Optional list of excluded IP addresses (or IP address ranges).
* @return string Last (non-excluded) IP address in the list or an empty string if all given IPs are excluded.
*/
public static function getLastIpFromList($csv, $excludedIps = null)
{
$p = strrpos($csv, ',');
if ($p !== false) {
$elements = explode(',', $csv);
for ($i = count($elements); $i--;) {
$element = trim(Common::sanitizeInputValue($elements[$i]));
$ip = \Piwik\Network\IP::fromStringIP(IPUtils::sanitizeIp($element));
if (empty($excludedIps) || !in_array($element, $excludedIps) && !$ip->isInRanges($excludedIps)) {
return $element;
}
}
return '';
}
return trim(Common::sanitizeInputValue($csv));
}
/**
* Returns hostname, without port numbers
*
* @param $host
* @return array
*/
public static function getHostSanitized($host)
{
if (!class_exists("Piwik\\Network\\IPUtils")) {
throw new Exception("Piwik\\Network\\IPUtils could not be found, maybe you are using Piwik from git and need to update Composer. \$ php composer.phar update");
}
return IPUtils::sanitizeIp($host);
}
