RateLimit\Middleware\Identity\IpAddressIdentityResolver

Complexity

Total Complexity

4

Size/Duplication

Total Lines	24
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	2

Test Coverage

Coverage

100%

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
A	getIdentity()	0	18	4

<?php
/**
 * This file is part of the Rate Limit package.
 *
 * Copyright (c) Nikola Posa
 *
 * For full copyright and license information, please refer to the LICENSE file,
 * located at the package root folder.
 */

declare(strict_types=1);

namespace RateLimit\Middleware\Identity;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ServerRequestInterface;

/**
 * @author Nikola Posa <posa.nikola@gmail.com>
 */
final class IpAddressIdentityResolver extends AbstractIdentityResolver
{
    /**
     * {@inheritdoc}
     */
    public function getIdentity(RequestInterface $request) : string
    {
        if (!$request instanceof ServerRequestInterface) {
            return self::getDefaultIdentity($request);
        }

        $serverParams = $request->getServerParams();

        if (array_key_exists('HTTP_CLIENT_IP', $serverParams)) {
            return $serverParams['HTTP_CLIENT_IP'];
        }

        if (array_key_exists('HTTP_X_FORWARDED_FOR', $serverParams)) {
            return $serverParams['HTTP_X_FORWARDED_FOR'];
        }

        return $serverParams['REMOTE_ADDR'] ?? self::getDefaultIdentity($request);
    }
}