Softonic\OAuth2\Guzzle\Middleware\AccessTokenCacheHandler

Complexity

Total Complexity

6

Size/Duplication

Total Lines	56
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Test Coverage

Coverage

100%

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	getTokenByProvider()	0	9	2
A	saveTokenByProvider()	0	14	1
A	deleteItemByProvider()	0	4	1
A	getCacheKey()	0	6	1

<?php

namespace Softonic\OAuth2\Guzzle\Middleware;

use League\OAuth2\Client\Provider\AbstractProvider as OAuth2Provider;
use League\OAuth2\Client\Token\AccessToken;
use Psr\Cache\CacheItemPoolInterface;
use Psr\Cache\InvalidArgumentException;

class AccessTokenCacheHandler
{
    const CACHE_KEY_PREFIX = 'oauth2-token-';

    private $cache;

    public function __construct(CacheItemPoolInterface $cache)
    {
        $this->cache = $cache;
    }

    /**
     * @param OAuth2Provider $provider
     * @param array          $options
     *
     * @throws InvalidArgumentException
     *
     * @return string|bool False if no token can be found in cache, the token's value otherwise.
     */
    public function getTokenByProvider(OAuth2Provider $provider, array $options)
    {
        $cacheKey = $this->getCacheKey($provider, $options);
        $cacheItem = $this->cache->getItem($cacheKey);
        if ($cacheItem->isHit()) {
            return $cacheItem->get();
        }
        return false;
    }

    public function saveTokenByProvider(AccessToken $accessToken, OAuth2Provider $provider, array $options): bool
    {
        $cacheKey = $this->getCacheKey($provider, $options);
        $cacheItem = $this->cache->getItem($cacheKey);
        $cacheItem->set(
            $accessToken->getToken()
        );
        $expiration = new \DateTime();
        $expiration->setTimestamp($accessToken->getExpires());
        $cacheItem->expiresAt(
            $expiration
        );
        return $this->cache->save($cacheItem);
    }

    public function deleteItemByProvider(OAuth2Provider $provider, array $options): bool
    {
        return $this->cache->deleteItem($this->getCacheKey($provider, $options));
    }

    public function getCacheKey(OAuth2Provider $provider, array $options): string
    {
        parse_str(parse_url($provider->getAuthorizationUrl(), PHP_URL_QUERY), $query);
        return static::CACHE_KEY_PREFIX
            . md5($provider->getBaseAuthorizationUrl() . ($query['client_id'] ?? '') . serialize($options));
    }
}