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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Flight Routing. |
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* |
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* PHP version 7.1 and above required |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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* @copyright 2019 Biurad Group (https://biurad.com/) |
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* @license https://opensource.org/licenses/BSD-3-Clause License |
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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 Flight\Routing\Handlers; |
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use Flight\Routing\{Exceptions\RouteNotFoundException, Route}; |
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use Psr\Http\Message\{ResponseFactoryInterface, ResponseInterface, ServerRequestInterface}; |
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use Psr\Http\Server\RequestHandlerInterface; |
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/** |
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* Default routing request handler. |
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* |
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* if route is found in request attribute, dispatch the route handler's |
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* response to the browser and provides ability to detect right response content-type. |
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* |
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* @author Divine Niiquaye Ibok <[email protected]> |
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*/ |
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final class RouteHandler implements RequestHandlerInterface |
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{ |
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public const CONTENT_TYPE = 'Content-Type'; |
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/** @var ResponseFactoryInterface */ |
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private $responseFactory; |
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/** @var null|callable(mixed,array) */ |
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private $handlerResolver = null; |
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public function __construct(ResponseFactoryInterface $responseFactory, callable $handlerResolver = null) |
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{ |
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$this->handlerResolver = $handlerResolver; |
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$this->responseFactory = $responseFactory; |
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} |
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/** |
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* {@inheritdoc} |
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* |
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* @throws RouteNotFoundException |
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*/ |
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public function handle(ServerRequestInterface $request): ResponseInterface |
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{ |
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$route = $request->getAttribute(Route::class); |
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if (!$route instanceof Route) { |
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throw new RouteNotFoundException(\sprintf('Unable to find the controller for path "%s". The route is wrongly configured.', $request->getUri()->getPath())); |
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} |
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// Resolve route handler arguments ... |
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if (null !== $handlerResolver = $this->handlerResolver) { |
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$route->arguments([\get_class($request) => $request, \get_class($this->responseFactory) => $this->responseFactory]); |
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} else { |
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foreach ([$request, $this->responseFactory] as $psr7) { |
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foreach (@\class_implements($psr7) ?: [] as $psr7Interface) { |
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$route->argument($psr7Interface, $psr7); |
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} |
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$route->argument(\get_class($psr7), $psr7); |
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} |
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} |
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$response = $route($request, $handlerResolver); |
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if (!$response instanceof ResponseInterface) { |
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($result = $this->responseFactory->createResponse())->getBody()->write($response); |
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$response = $result; |
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} |
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if ($response->hasHeader(self::CONTENT_TYPE)) { |
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return $response; |
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} |
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$contents = (string) $response->getBody(); |
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$matched = \preg_match('#(?|\"\w\"\:.*?\,?\}|^\<\?(xml).*|[^>]+\>.*?\<\/(\w+)\>)$#ms', $contents, $matches); |
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if (!$matchedType = $matches[2] ?? $matches[1] ?? 0 !== $matched) { |
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return $response->withHeader(self::CONTENT_TYPE, '{' === @$contents[0] ? 'application/json' : 'text/plain; charset=utf-8'); |
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} |
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if ('svg' === $matchedType) { |
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$xmlResponse = $response->withHeader(self::CONTENT_TYPE, 'image/svg+xml'); |
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} elseif ('xml' === $matchedType) { |
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$xmlResponse = $response->withHeader(self::CONTENT_TYPE, 'application/xml; charset=utf-8'); |
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} |
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return $xmlResponse ?? $response->withHeader(self::CONTENT_TYPE, 'text/html; charset=utf-8'); |
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} |
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} |
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divineniiquaye /
flight-routing
