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<?php |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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declare(strict_types=1); |
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namespace Spiral\Router\Traits; |
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use Psr\Container\ContainerExceptionInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Spiral\Http\Pipeline; |
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use Spiral\Router\Exception\RouteException; |
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use Spiral\Router\RouteInterface; |
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trait PipelineTrait |
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{ |
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use ContainerTrait; |
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/** @var Pipeline */ |
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protected $pipeline; |
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/** @var MiddlewareInterface|string[] */ |
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protected $middleware = []; |
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/** |
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* Associated middleware with route. New instance of route will be returned. |
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* |
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* Example: |
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* $route->withMiddleware(new CacheMiddleware(100)); |
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* $route->withMiddleware(ProxyMiddleware::class); |
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* $route->withMiddleware(ProxyMiddleware::class, OtherMiddleware::class); |
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* $route->withMiddleware([ProxyMiddleware::class, OtherMiddleware::class]); |
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* |
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* @param MiddlewareInterface|string|array ...$middleware |
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* @return RouteInterface|$this |
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* |
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* @throws RouteException |
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*/ |
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public function withMiddleware(...$middleware): RouteInterface |
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{ |
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$route = clone $this; |
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// array fallback |
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if (count($middleware) === 1 && is_array($middleware[0])) { |
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$middleware = $middleware[0]; |
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} |
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foreach ($middleware as $item) { |
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if (!is_string($item) && !$item instanceof MiddlewareInterface) { |
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if (is_object($item)) { |
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$name = get_class($item); |
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} else { |
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$name = gettype($item); |
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} |
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throw new RouteException("Invalid middleware `{$name}`"); |
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} |
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$route->middleware[] = $item; |
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} |
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if ($route->pipeline !== null) { |
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$route->pipeline = $route->makePipeline(); |
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} |
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return $route; |
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} |
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/** |
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* Get associated route pipeline. |
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* |
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* @return Pipeline |
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* |
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* @throws RouteException |
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*/ |
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protected function makePipeline(): Pipeline |
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{ |
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// pre-aggregated |
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if (count($this->middleware) === 1 && $this->middleware[0] instanceof Pipeline) { |
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return $this->middleware[0]; |
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} |
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try { |
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$pipeline = $this->container->get(Pipeline::class); |
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foreach ($this->middleware as $middleware) { |
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if ($middleware instanceof MiddlewareInterface) { |
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$pipeline->pushMiddleware($middleware); |
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} else { |
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// dynamically resolved |
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$pipeline->pushMiddleware($this->container->get($middleware)); |
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} |
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} |
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} catch (ContainerExceptionInterface $e) { |
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throw new RouteException($e->getMessage(), $e->getCode(), $e); |
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} |
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return $pipeline; |
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} |
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} |
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spiral /
framework
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