mirror of
https://github.com/elyby/oauth2-server.git
synced 2025-05-31 14:12:07 +05:30
36 lines
1.1 KiB
PHP
36 lines
1.1 KiB
PHP
<?php
|
|
/**
|
|
* OAuth 2.0 Secure key interface
|
|
*
|
|
* @package league/oauth2-server
|
|
* @author Alex Bilbie <hello@alexbilbie.com>
|
|
* @copyright Copyright (c) Alex Bilbie
|
|
* @license http://mit-license.org/
|
|
* @link https://github.com/thephpleague/oauth2-server
|
|
*/
|
|
|
|
namespace League\OAuth2\Server\Util\KeyAlgorithm;
|
|
|
|
class DefaultAlgorithm implements KeyAlgorithmInterface
|
|
{
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function generate($len = 40)
|
|
{
|
|
// We generate twice as many bytes here because we want to ensure we have
|
|
// enough after we base64 encode it to get the length we need because we
|
|
// take out the "/", "+", and "=" characters.
|
|
$bytes = openssl_random_pseudo_bytes($len * 2, $strong);
|
|
|
|
// We want to stop execution if the key fails because, well, that is bad.
|
|
if ($bytes === false || $strong === false) {
|
|
// @codeCoverageIgnoreStart
|
|
throw new \Exception('Error Generating Key');
|
|
// @codeCoverageIgnoreEnd
|
|
}
|
|
|
|
return substr(str_replace(['/', '+', '='], '', base64_encode($bytes)), 0, $len);
|
|
}
|
|
}
|