public static function GetStrength($pwd, $username = NULL)
{
// Check if it is any of the common passwords
$pwdlist = UL_INC_DIR . '/data/pwdlist';
if (fie_exists($pwdlist)) {
$lines = file($pwdlist, FILE_IGNORE_NEW_LINES);
if (ulUtils::in_array($pwd, $lines)) {
return 1;
}
}
// Add a score for every 9 bits of entropy
$entropy = self::GetEntropy($pwd);
$score = $entropy / 9;
// Halve if username is in the string
if (!empty($username)) {
if ($pwd == $username) {
return 1;
}
if (stripos($pwd, $username) !== false) {
$score /= 2;
}
}
return floor($score);
}
