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<?php |
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declare(strict_types=1); |
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namespace Spiral\Domain; |
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use Doctrine\Common\Annotations\AnnotationReader; |
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use Psr\Container\ContainerInterface; |
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use Spiral\Core\CoreInterceptorInterface; |
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use Spiral\Core\CoreInterface; |
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use Spiral\Core\InterceptableCore; |
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use Spiral\Core\InterceptorPipeline; |
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use Spiral\Domain\Annotation\Pipeline; |
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class PipelineInterceptor implements CoreInterceptorInterface |
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{ |
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/** @var array */ |
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private $cache = []; |
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/** @var AnnotationReader */ |
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private $reader; |
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/** @var ContainerInterface */ |
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private $container; |
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/** |
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* @param AnnotationReader $reader |
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* @param ContainerInterface $container |
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*/ |
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public function __construct(AnnotationReader $reader, ContainerInterface $container) |
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{ |
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$this->reader = $reader; |
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$this->container = $container; |
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} |
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/** |
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* @param string $controller |
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* @param string $action |
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* @param array $parameters |
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* @param CoreInterface $core |
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* @return mixed |
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* @throws \Throwable |
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*/ |
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public function process(string $controller, string $action, array $parameters, CoreInterface $core) |
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{ |
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$annotation = $this->readAnnotation($controller, $action); |
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if ($core instanceof InterceptorPipeline && $annotation->skipNext) { |
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$this->removeNextInterceptorsFromOriginalPipeline($core); |
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} |
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$pipeline = $this->getCachedPipeline($controller, $action, $annotation); |
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if (!empty($pipeline)) { |
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if ($core instanceof InterceptorPipeline) { |
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$this->injectInterceptorsIntoOriginalPipeline($core, $pipeline); |
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} else { |
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$core = new InterceptableCore($core); |
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foreach ($pipeline as $interceptor) { |
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$core->addInterceptor($interceptor); |
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} |
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} |
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} |
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return $core->callAction($controller, $action, $parameters); |
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} |
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/** |
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* @param string $controller |
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* @param string $action |
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* @return Pipeline |
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*/ |
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private function readAnnotation(string $controller, string $action): Pipeline |
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{ |
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try { |
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$method = new \ReflectionMethod($controller, $action); |
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} catch (\ReflectionException $e) { |
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return new Pipeline(); |
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} |
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/** @var Pipeline $annotation */ |
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$annotation = $this->reader->getMethodAnnotation($method, Pipeline::class); |
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return $annotation ?? new Pipeline(); |
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} |
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/** |
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* @param InterceptorPipeline $pipeline |
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*/ |
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private function removeNextInterceptorsFromOriginalPipeline(InterceptorPipeline $pipeline): void |
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{ |
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$pipelineReflection = new \ReflectionProperty(InterceptorPipeline::class, 'interceptors'); |
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$pipelineReflection->setAccessible(true); |
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$oldInterceptors = $pipelineReflection->getValue($pipeline); |
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$newInterceptors = []; |
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foreach ($oldInterceptors as $interceptor) { |
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$newInterceptors[] = $interceptor; |
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if ($interceptor instanceof self) { |
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break; |
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} |
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} |
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if (count($newInterceptors) !== count($oldInterceptors)) { |
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$pipelineReflection->setValue($pipeline, $newInterceptors); |
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} |
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$pipelineReflection->setAccessible(false); |
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} |
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private function injectInterceptorsIntoOriginalPipeline(InterceptorPipeline $pipeline, array $interceptors): void |
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{ |
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$pipelineReflection = new \ReflectionProperty(InterceptorPipeline::class, 'interceptors'); |
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$pipelineReflection->setAccessible(true); |
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$oldInterceptors = $pipelineReflection->getValue($pipeline); |
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$newInterceptors = []; |
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foreach ($oldInterceptors as $interceptor) { |
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$newInterceptors[] = $interceptor; |
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if ($interceptor instanceof self) { |
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foreach ($interceptors as $newInterceptor) { |
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$newInterceptors[] = $newInterceptor; |
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} |
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} |
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} |
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if (count($newInterceptors) !== count($oldInterceptors)) { |
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$pipelineReflection->setValue($pipeline, $newInterceptors); |
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} |
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$pipelineReflection->setAccessible(false); |
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} |
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/** |
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* @param string $controller |
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* @param string $action |
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* @param Pipeline $annotation |
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* @return array |
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*/ |
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private function getCachedPipeline(string $controller, string $action, Pipeline $annotation): array |
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{ |
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$key = "{$controller}:{$action}"; |
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if (!array_key_exists($key, $this->cache)) { |
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$this->cache[$key] = $this->extractAnnotationPipeline($annotation); |
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} |
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return $this->cache[$key]; |
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} |
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/** |
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* @param Pipeline $annotation |
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* @return array |
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*/ |
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private function extractAnnotationPipeline(Pipeline $annotation): array |
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{ |
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$interceptors = []; |
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foreach ($annotation->pipeline as $interceptor) { |
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try { |
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$interceptors[] = $this->container->get($interceptor); |
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} catch (\Throwable $e) { |
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} |
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} |
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return $interceptors; |
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} |
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} |
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spiral /
framework
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