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<?php declare(strict_types=1); |
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/** |
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* This file is part of the daikon-cqrs/boot project. |
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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 Daikon\Boot\Middleware; |
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use Aura\Router\Route; |
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use Aura\Router\RouterContainer; |
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use Aura\Router\Rule\Accepts; |
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use Aura\Router\Rule\Allows; |
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use Aura\Router\Rule\Host; |
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use Aura\Router\Rule\Path; |
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use Daikon\Boot\Middleware\Action\ActionInterface; |
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use Fig\Http\Message\StatusCodeInterface; |
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use Middlewares\Utils\Factory; |
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use Psr\Container\ContainerInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Psr\Http\Server\MiddlewareInterface; |
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use Psr\Http\Server\RequestHandlerInterface; |
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final class RoutingHandler implements MiddlewareInterface, StatusCodeInterface |
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{ |
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public const ATTR_REQUEST_HANDLER = '_request_handler'; |
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private RouterContainer $router; |
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private ContainerInterface $container; |
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public function __construct(RouterContainer $router, ContainerInterface $container) |
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{ |
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$this->router = $router; |
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$this->container = $container; |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$matcher = $this->router->getMatcher(); |
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if (!$route = $matcher->match($request)) { |
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return $this->errorResponse($matcher->getFailedRoute()); |
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} |
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foreach ($route->attributes as $name => $value) { |
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$request = $request->withAttribute($name, $value); |
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} |
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return $handler->handle( |
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$request->withAttribute(self::ATTR_REQUEST_HANDLER, $this->initializeHandler($route->handler)) |
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); |
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} |
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private function errorResponse(Route $failedRoute = null): ResponseInterface |
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{ |
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if (!$failedRoute) { |
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return Factory::createResponse(self::STATUS_INTERNAL_SERVER_ERROR); |
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} |
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switch ($failedRoute->failedRule) { |
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case Accepts::class: |
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return Factory::createResponse(self::STATUS_NOT_ACCEPTABLE); |
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case Allows::class: |
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$allowed = implode(', ', $failedRoute->allows); |
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return Factory::createResponse(self::STATUS_METHOD_NOT_ALLOWED)->withHeader('Allow', $allowed); |
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case Host::class: |
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case Path::class: |
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return Factory::createResponse(self::STATUS_NOT_FOUND); |
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default: |
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return Factory::createResponse(self::STATUS_INTERNAL_SERVER_ERROR); |
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} |
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} |
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/** @param callable|ActionInterface $requestHandler */ |
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private function initializeHandler($requestHandler): callable |
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{ |
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if (is_string($requestHandler)) { |
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$requestHandler = $this->container->get($requestHandler); |
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} |
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return $requestHandler; |
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} |
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} |
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daikon-cqrs /
boot
