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<?php |
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/** |
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* ParamConverter class for entry point to ProxyApi Bundle |
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*/ |
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namespace Graviton\ProxyApiBundle\Manager; |
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use Graviton\ExceptionBundle\Exception\NotFoundException; |
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use Graviton\ProxyApiBundle\Helper\HttpHelper; |
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use Graviton\ProxyApiBundle\Listener\ProxyExceptionListener; |
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use Graviton\ProxyApiBundle\Model\ProxyModel; |
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use Graviton\ProxyApiBundle\Processor\PostProcessorInterface; |
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use Graviton\ProxyApiBundle\Processor\PreProcessor; |
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use Graviton\ProxyApiBundle\Processor\PreProcessorInterface; |
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use Graviton\ProxyApiBundle\Processor\ProxyProcessorInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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use Doctrine\Common\Cache\CacheProvider; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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use Symfony\Component\HttpFoundation\Response; |
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/** |
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* Service Request Converter and startup for ProxyApi |
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* |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link http://swisscom.ch |
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*/ |
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class ServiceManager |
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{ |
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/** TODO Cache name for services */ |
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const CACHE_KEY_SERVICES = 'proxy_services'; |
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const CACHE_KEY_SERVICES_TIME = 10; |
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const CACHE_KEY_SERVICES_URLS = 'proxy_services_urls'; |
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const CACHE_KEY_SERVICES_URLS_TIME = 10; |
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const CACHE_KEY_SERVICES_PREFIX = 'proxy_'; |
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/** @var Request */ |
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protected $request; |
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/** @var ProxyManager */ |
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protected $proxyManager; |
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/** @var CacheProvider */ |
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protected $cacheProvider; |
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/** @var HttpHelper */ |
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protected $httpHelper; |
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/** |
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* Client request "source" |
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* |
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* @var string |
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*/ |
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protected $reqClient; |
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/** |
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* Client request service |
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* |
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* @var string |
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*/ |
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protected $reqService; |
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/** @var PreProcessor */ |
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protected $preProcessor; |
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protected $proxyProcessor; |
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protected $postProcessor; |
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/** |
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* ServiceConverter constructor. |
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* @param RequestStack $requestStack Sf Request information service |
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* @param HttpHelper $httpHelper Request http builder |
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* @param ProxyManager $proxyManager Db Manager and query control |
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* @param CacheProvider $cacheProvider Cache service |
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*/ |
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public function __construct( |
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RequestStack $requestStack, |
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HttpHelper $httpHelper, |
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ProxyManager $proxyManager, |
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CacheProvider $cacheProvider |
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) { |
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$this->request = $requestStack->getCurrentRequest(); |
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$this->httpHelper = $httpHelper; |
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$this->proxyManager = $proxyManager; |
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$this->cacheProvider = $cacheProvider; |
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} |
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/** |
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* Get Request Proxy model |
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* |
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* @return ProxyModel |
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*/ |
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private function getProxyModel() |
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{ |
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$this->reqClient = $this->request->get('client'); |
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$this->reqService = $this->request->get('service'); |
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if (!$this->reqClient) { |
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throw new ProxyExceptionListener(404, 'Proxy service not found'); |
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} |
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/** @var ProxyModel $proxyModel */ |
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$proxyModel = $this->proxyManager->getService($this->reqClient); |
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return $proxyModel; |
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} |
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/** |
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* List all services |
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* TODO correct link |
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* |
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* @return array |
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*/ |
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public function getServices() |
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{ |
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$services = []; |
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foreach ($this->proxyManager->getServices()['services'] as $key => $service) { |
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$services[$key] = '/'.$key; |
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} |
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return $services; |
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} |
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/** |
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* Execute proxy request |
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* |
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* @return Response |
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*/ |
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public function processRequest() |
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{ |
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// Check if there is a service with that name |
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$proxyModel = $this->getProxyModel(); |
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$this->httpHelper->setBaseUri($proxyModel->getUri()); |
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// Do processing steps |
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$preProcessing = $proxyModel->getPreProcessorService(); |
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if (!$preProcessing instanceof PreProcessorInterface) { |
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throw new ProxyExceptionListener(412, 'Configured PreProcessing configuration is incorrect'); |
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} |
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$this->httpHelper = $preProcessing->process($this->request, $this->httpHelper, $proxyModel); |
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$proxyProcesor = $proxyModel->getProxyProcessorService(); |
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if (!$proxyProcesor instanceof ProxyProcessorInterface) { |
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throw new ProxyExceptionListener(412, 'Configured ProxyProcessor configuration is incorrect'); |
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} |
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/** @var Response $response */ |
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$response = $proxyProcesor->process($this->request, $this->httpHelper, $proxyModel); |
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$postProcesor = $proxyModel->getPostProcessorService(); |
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if (!$postProcesor instanceof PostProcessorInterface) { |
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throw new ProxyExceptionListener(412, 'Configured ProxyProcessor configuration is incorrect'); |
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} |
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$response = $postProcesor->process($response, $proxyModel); |
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return $response; |
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} |
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} |
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libgraviton /
graviton
