63 lines
1.8 KiB
PHP
63 lines
1.8 KiB
PHP
<?php
|
|
/**
|
|
* This file is part of the ramsey/uuid library
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*
|
|
* @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
|
|
* @license http://opensource.org/licenses/MIT MIT
|
|
* @link https://benramsey.com/projects/ramsey-uuid/ Documentation
|
|
* @link https://packagist.org/packages/ramsey/uuid Packagist
|
|
* @link https://github.com/ramsey/uuid GitHub
|
|
*/
|
|
|
|
namespace Ramsey\Uuid\Generator;
|
|
|
|
use RandomLib\Generator;
|
|
use RandomLib\Factory;
|
|
|
|
/**
|
|
* RandomLibAdapter provides functionality to generate strings of random
|
|
* binary data using the paragonie/random-lib library
|
|
*
|
|
* @link https://packagist.org/packages/paragonie/random-lib
|
|
*/
|
|
class RandomLibAdapter implements RandomGeneratorInterface
|
|
{
|
|
/**
|
|
* @var Generator
|
|
*/
|
|
private $generator;
|
|
|
|
/**
|
|
* Constructs a `RandomLibAdapter` using a `RandomLib\Generator`
|
|
*
|
|
* By default, if no `Generator` is passed in, this creates a high-strength
|
|
* generator to use when generating random binary data.
|
|
*
|
|
* @param Generator $generator An paragonie/random-lib `Generator`
|
|
*/
|
|
public function __construct(Generator $generator = null)
|
|
{
|
|
$this->generator = $generator;
|
|
|
|
if ($this->generator === null) {
|
|
$factory = new Factory();
|
|
|
|
$this->generator = $factory->getHighStrengthGenerator();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generates a string of random binary data of the specified length
|
|
*
|
|
* @param integer $length The number of bytes of random binary data to generate
|
|
* @return string A binary string
|
|
*/
|
|
public function generate($length)
|
|
{
|
|
return $this->generator->generate($length);
|
|
}
|
|
}
|