Sunnysideup\UUDI\Api\HashCreator

Complexity

Total Complexity

4

Size/Duplication

Total Lines	35
Duplicated Lines	0 %

Importance

Changes	2
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	create_hash_id()	0	4	1
A	generate_hash()	0	9	2
A	generate_hash_simple()	0	3	1

<?php

namespace Sunnysideup\UUDI\Api;

use SilverStripe\Core\Config\Configurable;
use SilverStripe\Core\Injector\Injectable;

class HashCreator
{
    use Configurable;
    use Injectable;

    private static $always_require_uuid = false;

    private const CHARS = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';

    /**
     * Generate a random string, using a cryptographically secure
     * pseudorandom number generator (random_int).
     *
     * @param int $length How many characters do we want?
     */
    public static function generate_hash(int $length = 64): string
    {
        $pieces = [];
        $max = mb_strlen(self::CHARS, '8bit') - 1;
        for ($i = 0; $i < $length; ++$i) {
            $pieces[] = self::CHARS[random_int(0, $max)];
        }

        return implode('', $pieces);
    }

    public static function generate_hash_simple(int $length = 64): string
    {
        return bin2hex(random_bytes($length));
    }

    public static function create_hash_id(string $class, int $id): string
    {
        //todo - is this guessable? and does this matter? Is this a security feature?
        return md5(sprintf('%s:%s', $class, $id));
    }
}