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<?php |
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declare(strict_types=1); |
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/* |
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* (c) Christian Gripp <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Core23\ShariffBundle\Backend; |
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use Core23\ShariffBundle\Manager\ServiceManager; |
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use Core23\ShariffBundle\Service\Exception\FetchException; |
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use Psr\Cache\CacheItemPoolInterface; |
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use Psr\Http\Client\ClientExceptionInterface; |
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use Psr\Http\Client\ClientInterface; |
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use Psr\Http\Message\RequestFactoryInterface; |
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use Psr\Log\LoggerAwareInterface; |
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use Psr\Log\LoggerAwareTrait; |
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use Psr\Log\NullLogger; |
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final class PsrBackend implements Backend, LoggerAwareInterface |
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{ |
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use LoggerAwareTrait; |
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/** |
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* @var ServiceManager |
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*/ |
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private $serviceManager; |
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/** |
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* @var RequestFactoryInterface |
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*/ |
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private $requestFactory; |
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/** |
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* @var ClientInterface |
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*/ |
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private $client; |
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/** |
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* @var CacheItemPoolInterface |
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*/ |
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private $cache; |
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/** |
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* @var string[] |
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*/ |
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private $domains; |
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/** |
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* @param string[] $domains |
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*/ |
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public function __construct( |
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ServiceManager $serviceManager, |
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RequestFactoryInterface $requestFactory, |
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ClientInterface $client, |
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CacheItemPoolInterface $cache, |
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array $domains = [] |
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) { |
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$this->serviceManager = $serviceManager; |
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$this->requestFactory = $requestFactory; |
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$this->client = $client; |
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$this->cache = $cache; |
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$this->domains = $domains; |
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$this->logger = new NullLogger(); |
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} |
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public function get(string $url): array |
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{ |
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if (!$this->isValidDomain($url)) { |
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return []; |
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} |
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$cacheKey = $this->cacheKey($url); |
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if ($this->cache->hasItem($cacheKey)) { |
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return json_decode($this->cache->getItem($cacheKey)->get(), true); |
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} |
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if (!filter_var($url, FILTER_VALIDATE_URL)) { |
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return []; |
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} |
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$counts = $this->fetchServiceCounters($url); |
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$this->saveCacheEntry($cacheKey, $counts); |
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return $counts; |
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} |
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private function isValidDomain(string $url): bool |
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{ |
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if (!empty($this->domains)) { |
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$parsed = parse_url($url); |
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return \in_array($parsed['host'], $this->domains, true); |
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} |
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return true; |
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} |
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private function cacheKey(string $url): string |
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{ |
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return md5($url); |
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} |
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private function fetchServiceCounters(string $url): array |
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{ |
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$counts = []; |
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foreach ($this->serviceManager->getActive() as $service) { |
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$request = $service->createRequest($this->requestFactory, $url); |
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try { |
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$response = $this->client->sendRequest($request); |
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$counts[$service->getCode()] = $service->count($response); |
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} catch (FetchException $e) { |
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$this->logger->warning($e->getMessage(), [ |
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'exception' => $e, |
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'responseBody' => $e->getResponseBody(), |
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]); |
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} catch (ClientExceptionInterface $e) { |
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$this->logger->warning($e->getMessage(), [ |
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'exception' => $e, |
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]); |
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} |
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} |
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return $counts; |
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} |
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private function saveCacheEntry(string $cacheKey, array $counts): void |
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{ |
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$item = $this->cache->getItem($cacheKey); |
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$item->set(json_encode($counts)); |
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$this->cache->save($item); |
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} |
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} |
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core23 /
ShariffBundle
