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<?php |
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declare(strict_types=1); |
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namespace Facile\OAuth2\HttpClient\Authorization; |
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use Facile\OAuth2\HttpClient\Exception\RuntimeException; |
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use Facile\OAuth2\HttpClient\Request\OAuth2RequestInterface; |
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use Facile\OpenIDClient\Client\ClientInterface; |
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use Psr\SimpleCache\CacheInterface; |
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class CachedProvider implements AuthorizationProvider |
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{ |
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/** @var CacheInterface */ |
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private $cache; |
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/** @var int */ |
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private $defaultTtl; |
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/** @var string */ |
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private $hashAlg = 'sha1'; |
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public function __construct(CacheInterface $cache, int $defaultTtl = 1800) |
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{ |
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$this->cache = $cache; |
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$this->defaultTtl = $defaultTtl; |
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} |
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public function setHashAlg(string $hashAlg): void |
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{ |
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$this->hashAlg = $hashAlg; |
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} |
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private function getCacheKey(ClientInterface $client, OAuth2RequestInterface $request): string |
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{ |
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$encoded = json_encode([ |
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'issuer' => $client->getIssuer()->getMetadata()->getIssuer(), |
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'client_id' => $client->getMetadata()->getClientId(), |
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'grantParams' => $request->getGrantParams(), |
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]); |
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if (! is_string($encoded)) { |
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throw new RuntimeException('Unable to create cache key'); |
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} |
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return hash($this->hashAlg, $encoded); |
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} |
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public function getAuthorization(ClientInterface $client, OAuth2RequestInterface $request): ?string |
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{ |
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return $this->cache->get($this->getCacheKey($client, $request)); |
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} |
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public function saveAuthorization( |
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ClientInterface $client, |
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OAuth2RequestInterface $request, |
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string $authorization, |
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?int $ttl = null |
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): void { |
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$this->cache->set($this->getCacheKey($client, $request), $authorization, $ttl ?? $this->defaultTtl); |
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} |
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} |
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facile-it /
php-oauth2-http-client
