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<?php |
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namespace Xoops\Frame\Panel; |
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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 Closure; |
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class ClosureToMiddleware implements MiddlewareInterface |
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{ |
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/** @var Closure $closure */ |
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protected $closure; |
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/** |
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* ClosureToMiddleware constructor. |
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* |
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* @param Closure $closure |
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*/ |
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public function __construct(Closure $closure) |
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{ |
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$this->closure = $closure; |
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} |
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/** |
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* Process an incoming server request and return a response, optionally delegating |
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* response creation to a handler. |
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* |
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* Here, we will use the Closure set at instantiation, passing it ($request, $handler) |
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* |
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* @param ServerRequestInterface $request an Http Request |
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* @param RequestHandlerInterface $handler |
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* |
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* @return ResponseInterface |
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*/ |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$closure = $this->closure; |
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$response = $closure($request, $handler); |
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// we cannot guarantee the closure follows the rules and returns a response |
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// if it doesn't, delegate to the passed handler |
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if (!($response instanceof ResponseInterface)) { |
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$response = $handler->handle($request); |
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} |
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return $response; |
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} |
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} |
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