Maztech\PseudoRandomString\RandomBytesPseudoRandomStringGenerator

Complexity

Total Complexity

3

Size/Duplication

Total Lines	30
Duplicated Lines	0 %

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	getPseudoRandomString()	0	5	1
A	__construct()	0	6	2

<?php

namespace Maztech\PseudoRandomString;

use Maztech\Exceptions\InstagramSDKException;

class RandomBytesPseudoRandomStringGenerator implements PseudoRandomStringGeneratorInterface
{
    use PseudoRandomStringGeneratorTrait;

    /**
     * @const string The error message when generating the string fails.
     */
    const ERROR_MESSAGE = 'Unable to generate a cryptographically secure pseudo-random string from random_bytes(). ';

    /**
     * @throws InstagramSDKException
     */
    public function __construct()
    {
        if (!function_exists('random_bytes')) {
            throw new InstagramSDKException(
                static::ERROR_MESSAGE .
                'The function random_bytes() does not exist.'
            );
        }
    }

    /**
     * @inheritdoc
     */
    public function getPseudoRandomString($length)
    {
        $this->validateLength($length);

        return $this->binToHex(random_bytes($length), $length);
    }
}