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<?php
declare(strict_types=1);
namespace CustomerGauge\Password;
use CustomerGauge\Password\Exception\InvalidPassword;
use function random_int;
use function strlen;
final class Generator
{
/** @var Rule */
private $rule;
/** @var int */
private $length;
public function __construct(Rule $rule, int $length = 12)
$this->rule = $rule;
$this->length = $length;
}
public function __invoke() : string
try {
$password = $this->generate();
$this->rule->__invoke($password);
return $password;
} catch (InvalidPassword $e) {
return $this->__invoke();
public function generate() : string
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789`-=~!@#$%^&*()_+,./<>?;:[]{}\|';
$password = '';
$max = strlen($chars) - 1;
for ($i = 0; $i < $this->length; $i++) {
$password .= $chars[random_int(0, $max)];
cgauge /
password-strength-lib
