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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Router\Middleware; |
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use Psr\Http\Message\ResponseFactoryInterface; |
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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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use Yiisoft\Http\Header; |
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use Yiisoft\Http\Method; |
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use Yiisoft\Http\Status; |
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use Yiisoft\Middleware\Dispatcher\MiddlewareDispatcher; |
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use Yiisoft\Router\CurrentRoute; |
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use Yiisoft\Router\CurrentRouteInterface; |
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use Yiisoft\Router\UrlMatcherInterface; |
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final class Router implements MiddlewareInterface |
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{ |
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private UrlMatcherInterface $matcher; |
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private ResponseFactoryInterface $responseFactory; |
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private MiddlewareDispatcher $dispatcher; |
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private CurrentRoute $currentRoute; |
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public function __construct( |
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UrlMatcherInterface $matcher, |
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ResponseFactoryInterface $responseFactory, |
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MiddlewareDispatcher $dispatcher, |
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CurrentRouteInterface $currentRoute |
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) { |
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$this->matcher = $matcher; |
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$this->responseFactory = $responseFactory; |
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$this->dispatcher = $dispatcher; |
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$this->currentRoute = $currentRoute; |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$result = $this->matcher->match($request); |
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$this->currentRoute->setUri($request->getUri()); |
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if ($result->isMethodFailure()) { |
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if ($request->getMethod() === Method::OPTIONS && $this->isSameOrigin($request)) { |
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return $this->responseFactory->createResponse(Status::NO_CONTENT) |
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->withHeader('Allow', implode(', ', $result->methods())); |
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} |
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return $this->responseFactory->createResponse(Status::METHOD_NOT_ALLOWED) |
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->withHeader('Allow', implode(', ', $result->methods())); |
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} |
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if (!$result->isSuccess()) { |
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return $handler->handle($request); |
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} |
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$this->currentRoute->setRoute($result->route()); |
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$this->currentRoute->setArguments($result->arguments()); |
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return $result->withDispatcher($this->dispatcher)->process($request, $handler); |
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} |
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private function isSameOrigin(ServerRequestInterface $request): bool |
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{ |
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$origin = $request->getHeaderLine(Header::ORIGIN); |
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if ($origin === '') { |
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return true; |
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} |
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$host = $request->getUri()->getHost(); |
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$port = $request->getUri()->getPort(); |
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if ($port === null) { |
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$port = $request->getUri()->getScheme() === 'https' ? 443 : 80; |
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} |
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return $origin === "{$request->getUri()->getScheme()}://$host:$port"; |
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} |
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} |
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yiisoft /
router
