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<?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));
sunnysideup /
silverstripe-uuid
