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<?php |
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declare(strict_types=1); |
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namespace Facile\OpenIDClient\Issuer\Metadata\Provider; |
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use function is_array; |
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use function json_decode; |
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use function json_encode; |
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use Psr\SimpleCache\CacheInterface; |
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use function sha1; |
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use function substr; |
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final class CachedProviderDecorator implements RemoteProviderInterface |
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{ |
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/** @var RemoteProviderInterface */ |
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private $provider; |
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/** @var CacheInterface */ |
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private $cache; |
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/** @var null|int */ |
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private $cacheTtl; |
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/** |
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* @var callable |
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* @psalm-var callable(string): string |
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*/ |
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private $cacheIdGenerator; |
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/** |
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* @psalm-param null|callable(string): string $cacheIdGenerator |
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*/ |
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public function __construct( |
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RemoteProviderInterface $provider, |
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CacheInterface $cache, |
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?int $cacheTtl = null, |
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?callable $cacheIdGenerator = null |
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) { |
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$this->provider = $provider; |
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$this->cache = $cache; |
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$this->cacheTtl = $cacheTtl; |
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$this->cacheIdGenerator = $cacheIdGenerator ?? static function (string $uri): string { |
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return substr(sha1($uri), 0, 65); |
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}; |
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} |
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public function fetch(string $uri): array |
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{ |
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$cacheId = ($this->cacheIdGenerator)($uri); |
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/** @var string $cached */ |
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$cached = $this->cache->get($cacheId) ?? ''; |
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/** @var null|string|array<mixed> $data */ |
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$data = json_decode($cached, true); |
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if (is_array($data)) { |
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return $data; |
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} |
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1 |
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$data = $this->provider->fetch($uri); |
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$this->cache->set($cacheId, json_encode($data), $this->cacheTtl); |
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return $data; |
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} |
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public function isAllowedUri(string $uri): bool |
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{ |
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return $this->provider->isAllowedUri($uri); |
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} |
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} |
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facile-it /
php-openid-client
