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<?php
declare(strict_types=1);
namespace Porthou\Password\Validators;
use Generator;
use Porthou\Password\PasswordException;
use Porthou\Password\Validator;
class PasswordBlacklistValidator implements Validator
{
/** @var string $file */
private $file;
public function __construct(string $file = null)
if ($file !== null) {
$this->file = $file;
} else {
$this->file = __DIR__ . '/../../res/top_10000.txt';
}
/** {@inheritdoc} */
public function validate(string $password): bool
foreach ($this->getBlacklistPasswords() as $badPassword) {
if ($password === $badPassword) {
throw new PasswordException('Password is blacklisted.');
return true;
/**
* Iterates over and yields each blacklisted password
*
* @return Generator
*/
private function getBlacklistPasswords(): Generator
$fh = fopen($this->file, 'rb');
while (($password = fgets($fh)) !== false) {
yield trim($password);
fclose($fh);
AnthonyPorthouse /
password
