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<?php |
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namespace Fracture\Http; |
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class RequestBuilder |
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{ |
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private $defaults = [ |
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'get' => [], |
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'post' => [], |
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'server' => [], |
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'files' => [], |
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'cookies'=> [], |
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]; |
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private $parsers = []; |
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/** |
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* @param array[] $params |
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* @return Routable |
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*/ |
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public function create($params) |
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{ |
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$params += $this->defaults; |
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$instance = $this->buildInstance(); |
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$this->applyHeaders($instance, $params['server']); |
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$this->applyParams($instance, $params); |
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if ($instance->getMethod() !== 'get') { |
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$this->applyContentParsers($instance); |
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} |
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return $instance; |
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} |
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/** |
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* @param string $type |
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* @param callback $parser |
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*/ |
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public function addContentParser($type, $parser) |
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{ |
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$this->parsers[$type] = $parser; |
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} |
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protected function buildInstance() |
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{ |
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$fileBuilder = new UploadedFileBuilder; |
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$fileBagBuilder = new FileBagBuilder($fileBuilder); |
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return new Request($fileBagBuilder); |
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} |
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/** |
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* @param Request $instance |
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*/ |
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protected function applyContentParsers($instance) |
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{ |
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$parameters = []; |
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$header = $instance->getContentTypeHeader(); |
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if ($header === null) { |
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return; |
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} |
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foreach ($this->parsers as $type => $parser) { |
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if ($header->match($type)) { |
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$parameters += $this->alterParameters($parser, $type, $header, $instance); |
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} |
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} |
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$instance->setParameters($parameters, true); |
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} |
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/** |
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* @param callable $parser |
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* @param string $type |
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* @param Headers\ContentType $header |
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* @param Request $instance |
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*/ |
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private function alterParameters($parser, $type, $header, $instance) |
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{ |
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$result = call_user_func($parser, $header, $instance); |
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if (false === is_array($result)) { |
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$message = "Parser for '$type' did not return a 'name => value' array of parameters"; |
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trigger_error($message, \E_USER_WARNING); |
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} |
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return $result; |
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} |
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/** |
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* @param Request $instance |
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* @param array[] $params |
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*/ |
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protected function applyParams($instance, $params) |
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{ |
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$instance->setParameters($params['get']); |
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$instance->setParameters($params['post']); |
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$instance->setUploadedFiles($params['files']); |
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$this->applyWebContext($instance, $params['server']); |
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foreach ($params['cookies'] as $name => $value) { |
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$instance->addCookie($name, $value); |
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} |
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} |
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/** |
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* @param Request $instance |
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* @param array $params |
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*/ |
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protected function applyWebContext($instance, $params) |
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{ |
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if (isset($params['REQUEST_METHOD'])) { |
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$instance->setMethod($params['REQUEST_METHOD']); |
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} |
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if (isset($params['REMOTE_ADDR'])) { |
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$instance->setAddress($params['REMOTE_ADDR']); |
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} |
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} |
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/** |
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* @param Request $instance |
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* @param array $params |
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*/ |
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protected function applyHeaders($instance, $params) |
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{ |
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if (array_key_exists('HTTP_ACCEPT', $params)) { |
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$header = new Headers\Accept($params['HTTP_ACCEPT']); |
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$header->prepare(); |
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$instance->setAcceptHeader($header); |
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} |
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if (array_key_exists('CONTENT_TYPE', $params)) { |
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$header = new Headers\ContentType($params['CONTENT_TYPE']); |
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$header->prepare(); |
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$instance->setContentTypeHeader($header); |
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} |
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2 |
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} |
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} |
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fracture /
http
