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<?php declare(strict_types = 1); |
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/* |
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* This file is part of the KleijnWeb\PhpApi\Descriptions package. |
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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 KleijnWeb\PhpApi\Middleware; |
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use Interop\Http\ServerMiddleware\DelegateInterface; |
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use KleijnWeb\PhpApi\Descriptions\Description\Description; |
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use KleijnWeb\PhpApi\Descriptions\Description\Parameter; |
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use KleijnWeb\PhpApi\Descriptions\Description\Repository; |
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use KleijnWeb\PhpApi\Descriptions\Description\Schema\ScalarSchema; |
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use KleijnWeb\PhpApi\Middleware\Util\Meta; |
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use KleijnWeb\PhpApi\Middleware\Util\ParameterTypePatternResolver; |
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use KleijnWeb\PhpApi\Middleware\Util\PhpApiMiddleware; |
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use Middlewares\Utils\Factory; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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class OperationMatcher extends PhpApiMiddleware |
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{ |
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/** |
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* @var Repository |
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*/ |
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private $repository; |
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/** |
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* @var ParameterTypePatternResolver |
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*/ |
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private $typePatternResolver; |
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/** |
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* @param Repository $repository |
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* @param ParameterTypePatternResolver $typePatternResolver |
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*/ |
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public function __construct(Repository $repository, ParameterTypePatternResolver $typePatternResolver = null) |
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{ |
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$this->repository = $repository; |
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$this->typePatternResolver = $typePatternResolver ?: new ParameterTypePatternResolver(); |
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} |
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/** |
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* Process a server request and return a response. |
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* |
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* @param ServerRequestInterface $request |
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* @param DelegateInterface $delegate |
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* |
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* @return ResponseInterface |
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*/ |
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public function process(ServerRequestInterface $request, DelegateInterface $delegate) |
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{ |
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$uriPath = $request->getUri()->getPath(); |
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/** @var Description $description */ |
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foreach ($this->repository as $description) { |
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$basePath = $description->getBasePath() ? "{$description->getBasePath()}/" : ""; |
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foreach ($description->getPaths() as $path) { |
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$pathPattern = "$basePath{$path->getPath()}"; |
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$parameterNames = []; |
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foreach ($path->getOperations() as $operation) { |
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foreach ($operation->getParameters() as $parameter) { |
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if ($parameter->getIn() === Parameter::IN_PATH |
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&& ($schema = $parameter->getSchema()) instanceof ScalarSchema |
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) { |
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$parameterName = $parameter->getName(); |
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$parameterNames[] = $parameterName; |
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$typePattern = $this->typePatternResolver->resolve($schema); |
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$parameterPattern = "(?P<$parameterName>$typePattern)(?=(/|$))"; |
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$pathPattern = str_replace('{'.$parameterName.'}', $parameterPattern, $pathPattern); |
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} |
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} |
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if (preg_match("#^$pathPattern$#", $uriPath, $matches) > 0) { |
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if (strtolower($request->getMethod()) !== $operation->getMethod()) { |
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return Factory::createResponse(405); |
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} |
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$request = Meta::requestWith($request, $description, $operation, $path); |
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foreach ($parameterNames as $parameterName) { |
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$request = $request->withAttribute($parameterName, $matches[$parameterName]); |
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} |
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return $delegate->process($request); |
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} |
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} |
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} |
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} |
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return Factory::createResponse(404); |
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} |
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} |
kleijnweb /
php-api-middleware
