nyx\auth\id\protocols\oauth1\signers\HmacSha1

Complexity

Total Complexity

3

Size/Duplication

Total Lines	29
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	getSignatureMethod()	0	4	1
A	sign()	0	4	1
A	hash()	0	4	1

<?php namespace nyx\auth\id\protocols\oauth1\signers;

// External dependencies
use Psr\Http\Message\RequestInterface as Request;

// Internal dependencies
use nyx\auth\id\protocols\oauth1;
use nyx\auth;

/**
 * OAuth 1.0a HMAC-SHA1 Request Signer
 *
 * @package     Nyx\Auth
 * @version     0.1.0
 * @author      Michal Chojnacki <m.chojnacki@muyo.io>
 * @copyright   2012-2017 Nyx Dev Team
 * @link        https://github.com/unyx/nyx
 * ----
 * @see         https://oauth.net/core/1.0a/#anchor15 (Spec #9.2 HMAC-SHA1)
 */
class HmacSha1 extends oauth1\Signer
{
    /**
     * {@inheritDoc}
     */
    public function getSignatureMethod() : string
    {
        return oauth1\interfaces\Signer::METHOD_HMAC_SHA1;
    }

    /**
     * {@inheritDoc}
     */
    public function sign(Request $request, array $params, auth\id\credentials\Client $client, auth\interfaces\Credentials $token = null) : string
    {
        return base64_encode($this->hash($this->buildBaseString($request, $params), $this->createKey($client, $token)));
    }

    /**
     * Hashes a string with the signature's key.
     *
     * @param   string  $string
     * @return  string
     */
    protected function hash(string $string, string $key) : string
    {
        return hash_hmac('sha1', $string, $key, true);
    }
}