MiladRahimi\Jwt\Cryptography\Algorithms\Eddsa\EdDsaSigner

Complexity

Total Complexity

7

Size/Duplication

Total Lines	40
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	name()	0	3	1
A	getPrivateKey()	0	3	1
A	sign()	0	11	3
A	__construct()	0	3	1
A	kid()	0	3	1

<?php

declare(strict_types=1);

namespace MiladRahimi\Jwt\Cryptography\Algorithms\Eddsa;

use MiladRahimi\Jwt\Cryptography\Keys\EdDsaPrivateKey;
use MiladRahimi\Jwt\Cryptography\Signer;
use MiladRahimi\Jwt\Exceptions\SigningException;
use RuntimeException;
use SodiumException;

use function function_exists;

class EdDsaSigner implements Signer
{
    protected static string $name = 'EdDSA';

    protected EdDsaPrivateKey $privateKey;

    public function __construct(EdDsaPrivateKey $privateKey)
    {
        $this->privateKey = $privateKey;
    }

    /**
     * @inheritdoc
     */
    public function sign(string $message): string
    {
        if (function_exists('sodium_crypto_sign_detached')) {
            try {
                return sodium_crypto_sign_detached($message, $this->privateKey->getContent());
            } catch (SodiumException $e) {
                throw new SigningException("Cannot sign using Sodium extension.", 0, $e);
            }
        }

        throw new RuntimeException('The sodium_crypto_sign_detached function is not available.');
    }

    public function name(): string
    {
        return static::$name;
    }

    public function kid(): ?string
    {
        return $this->privateKey->getId();
    }

    public function getPrivateKey(): EdDsaPrivateKey
    {
        return $this->privateKey;
    }
}