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<?php |
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namespace Phrest\API; |
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trait RESTActionTrait |
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{ |
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use \Psr\Log\LoggerAwareTrait; |
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/** |
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* @var array |
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*/ |
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static private $methods = [ |
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'get' => 'GET', |
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'post' => 'POST', |
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'put' => 'PUT', |
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'delete' => 'DELETE', |
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'patch' => 'PATCH', |
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'options' => 'OPTIONS', |
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]; |
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public function process(\Psr\Http\Message\ServerRequestInterface $request, \Interop\Http\ServerMiddleware\DelegateInterface $delegate) |
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{ |
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$method = strtolower($request->getMethod()); |
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$this->logger->debug(__METHOD__ . ' called', ['method' => $method]); |
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if (!array_key_exists($method, self::$methods)) { |
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$this->throwMethodNotAllowed($method); |
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} |
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if ($method === 'options') { |
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return $this->options(); |
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} |
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return $this->onRESTRequest($request, $method); |
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} |
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private function options(): \Psr\Http\Message\ResponseInterface |
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{ |
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return new \Zend\Diactoros\Response\EmptyResponse( |
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\Phrest\Http\StatusCodes::NO_CONTENT, |
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[ |
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'Allow' => implode(', ', $this->getAllowedMethods()) |
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] |
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); |
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} |
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protected function onRESTRequest(\Psr\Http\Message\ServerRequestInterface $request, string $method): \Psr\Http\Message\ResponseInterface |
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{ |
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return new \Zend\Diactoros\Response\EmptyResponse(); |
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} |
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private function getAllowedMethods(): array |
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{ |
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$allowedMethods = []; |
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/* @todo: Reflections? */ |
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$ref = new \ReflectionClass($this); |
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foreach ($ref->getMethods() as $methodRef) { |
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if ($methodRef->class != self::class && array_key_exists($methodRef->name, self::$methods)) { |
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$allowedMethods[] = self::$methods[$methodRef->name]; |
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} |
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} |
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return $allowedMethods; |
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} |
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private function throwMethodNotAllowed(string $method) |
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{ |
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throw \Phrest\Http\Exception::MethodNotAllowed( |
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new \Phrest\API\Error( |
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0, |
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'Method not allowed', |
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new \Phrest\API\ErrorEntry( |
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0, |
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'method', |
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'Method "' . $method . '" not allowed', |
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implode(', ', $this->getAllowedMethods()) |
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) |
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) |
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); |
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} |
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} |
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DonUrks /
phrest
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.