Yokai\SecurityTokenBundle\Generator\OpenSslTokenGenerator

Complexity

Total Complexity

3

Size/Duplication

Total Lines	29
Duplicated Lines	0 %

Coupling/Cohesion

Dependencies

0

Test Coverage

Coverage

85.71%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	8	2
A	generate()	0	4	1

<?php

namespace Yokai\SecurityTokenBundle\Generator;

use LogicException;

/**
 * This token generator is using `openssl` extension to generate random token values.
 *
 * @author Yann Eugoné <eugone.yann@gmail.com>
 */
class OpenSslTokenGenerator implements TokenGeneratorInterface
{
    const DEFAULT_LENGTH = 32;

    /**
     * @var int
     */
    private $length;

    /**
     * @param int $length Token length
     */
    public function __construct($length = self::DEFAULT_LENGTH)
    {
        if (!function_exists('openssl_random_pseudo_bytes')) {
            throw new LogicException('The extension "openssl" is required to use "open ssl" token generator.');
        }

        $this->length = $length;
    }

    /**
     * @inheritdoc
     */
    public function generate()
    {
        return rtrim(strtr(base64_encode(openssl_random_pseudo_bytes($this->length)), '+/', '-_'), '=');
    }
}