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<?php |
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namespace Jasny\Controller\Middleware; |
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use Jasny\Controller\Controller; |
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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 Slim\Exception\HttpBadRequestException; |
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use Slim\Exception\HttpException; |
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use Slim\Exception\HttpForbiddenException; |
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use Slim\Exception\HttpGoneException; |
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use Slim\Exception\HttpInternalServerErrorException; |
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use Slim\Exception\HttpMethodNotAllowedException; |
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use Slim\Exception\HttpNotFoundException; |
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use Slim\Exception\HttpNotImplementedException; |
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use Slim\Exception\HttpUnauthorizedException; |
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use Slim\Routing\Route; |
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/** |
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* Middleware to use controller in Slim framework |
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*/ |
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class Slim implements MiddlewareInterface |
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{ |
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/** |
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* @param bool $useSlimErrors Throw Slim exceptions for error responses. |
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*/ |
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public function __construct(public bool $useSlimErrors = false) |
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{ |
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} |
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public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface |
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{ |
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$route = $request->getAttribute('__route__'); |
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if ($route instanceof Route) { |
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$request = $this->changeCallable($request, $route); |
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$request = $this->setPathParameters($request, $route); |
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} |
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$response = $handler->handle($request); |
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if ($this->useSlimErrors) { |
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$this->throwOnError($request, $response); |
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} |
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return $response; |
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} |
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protected function changeCallable(ServerRequestInterface $request, Route $route): ServerRequestInterface |
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{ |
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$callable = $route->getCallable(); |
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if (is_array($callable) && |
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is_a($callable[0], Controller::class, true) && |
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isset($callable[1]) && |
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$callable[1] !== '__invoke' |
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) { |
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$request = $request |
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->withAttribute("route:action", $callable[1]) |
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->withAttribute('__route__', $route->setCallable([$callable[0], '__invoke'])); |
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} |
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return $request; |
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} |
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protected function setPathParameters(ServerRequestInterface $request, Route $route): ServerRequestInterface |
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{ |
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foreach ($route->getArguments() as $key => $value) { |
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$request = $request->withAttribute('route:{' . $key . '}', $value); |
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} |
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return $request; |
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} |
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protected function throwOnError(ServerRequestInterface $request, ResponseInterface $response): void |
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{ |
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$status = $response->getStatusCode(); |
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switch ($status) { |
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case 400: |
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throw new HttpBadRequestException($request, $this->getBody($response)); |
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case 401: |
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throw new HttpUnauthorizedException($request, $this->getBody($response)); |
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case 403: |
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throw new HttpForbiddenException($request, $this->getBody($response)); |
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case 404: |
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throw new HttpNotFoundException($request, $this->getBody($response)); |
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case 405: |
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throw new HttpMethodNotAllowedException($request, $this->getBody($response)); |
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case 410: |
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throw class_exists(HttpGoneException::class) |
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? new HttpGoneException($request, $this->getBody($response)) |
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: new HttpException($request, $this->getBody($response), $status); |
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case 500: |
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throw new HttpInternalServerErrorException($request, $this->getBody($response)); |
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case 501: |
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throw new HttpNotImplementedException($request, $this->getBody($response)); |
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} |
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if ($status >= 400) { |
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throw new HttpException($request, $this->getBody($response), $status); |
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} |
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} |
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protected function getBody(ResponseInterface $response): string|null |
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{ |
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$body = (string)$response->getBody(); |
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return $body !== '' ? $body : null; |
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} |
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} |
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jasny /
controller
