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<?php |
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/** |
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* This file is a part of a nekland library |
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* |
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* (c) Nekland <[email protected]> |
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* |
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* For the full license, take a look to the LICENSE file |
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* on the root directory of this project |
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*/ |
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namespace Nekland\Woketo\Http; |
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use Nekland\Woketo\Exception\HttpException; |
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class Request extends AbstractHttpMessage |
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{ |
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/** |
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* @var string |
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*/ |
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private $method; |
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/** |
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* @var string |
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*/ |
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private $uri; |
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/** |
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* @var string |
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*/ |
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private $host; |
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private function __construct() {} |
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/** |
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* @return Request |
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*/ |
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private function setMethod($method) : Request |
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{ |
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$this->method = $method; |
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return $this; |
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} |
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/** |
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* @param string $uri |
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* @return Request |
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*/ |
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private function setUri(string $uri) : Request |
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{ |
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$this->uri = $uri; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getUri() : string |
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{ |
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return $this->uri; |
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} |
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/** |
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* @return string |
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*/ |
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public function getMethod() : string |
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{ |
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return $this->method; |
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} |
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/** |
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* @return int |
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*/ |
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1 |
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public function getVersion() : int |
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{ |
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return (int) $this->getHeaders()->get('Sec-WebSocket-Version'); |
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} |
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/** |
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* @param string $host |
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* @return self |
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*/ |
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private function setHost(string $host) : Request |
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{ |
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$this->host = $host; |
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return $this; |
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} |
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/** |
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* @return array |
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*/ |
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public function getExtensions() : array |
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{ |
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$originalHeaders = $this->getHeaders()->get('Sec-WebSocket-Extensions'); |
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if (!\is_array($originalHeaders)) { |
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$originalHeaders = [$originalHeaders]; |
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} |
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2 |
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$extensionHeaders = []; |
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$extensions = []; |
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foreach ($originalHeaders as $extensionHeader) { |
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$extensionHeaders = \array_merge($extensionHeaders, \array_map('trim', \explode(',', $extensionHeader))); |
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} |
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foreach ($extensionHeaders as $extension) { |
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$explodingHeader = \explode(';', $extension); |
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$extensionName = \trim($explodingHeader[0]); |
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$extensions[$extensionName] = []; |
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if (\count($explodingHeader)) { |
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unset($explodingHeader[0]); // removing the name of the extension |
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foreach($explodingHeader as $variable) { |
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$explodeVariable = \explode('=', $variable); |
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// The value can be with or without quote. We need to remove extra quotes. |
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$value = \preg_replace('/^"(.+)"$/', '$1', trim($explodeVariable[1])); |
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$value = \str_replace('\\"', '"', $value); |
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$extensions[$extensionName][\trim($explodeVariable[0])] = $value; |
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} |
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} |
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} |
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return $extensions; |
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} |
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/** |
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* @param string $requestString |
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* @return Request |
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* @throws HttpException |
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*/ |
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public static function create(string $requestString) |
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{ |
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$request = new Request; |
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$lines = \explode("\r\n", $requestString); |
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Request::initRequest($lines[0], $request); |
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unset($lines[0]); |
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Request::initHeaders($lines, $request); |
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if (empty($request->getHeaders()->get('Sec-WebSocket-Key')) || empty($request->getHeaders()->get('Upgrade')) || \strtolower($request->getHeaders()->get('Upgrade')) !== 'websocket') { |
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throw new HttpException(sprintf("The request is not a websocket upgrade request, received:\n%s", $requestString)); |
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} |
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return $request; |
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} |
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/** |
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* @param string $uri |
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* @param string $host |
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* @return Request |
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*/ |
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public static function createClientRequest(string $uri, string $host) |
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{ |
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$request = new Request(); |
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$request->setMethod('GET'); |
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$request->setUri($uri); |
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$request->setHttpVersion('1.1'); |
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$request->setHost($host); |
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return $request; |
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} |
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/** |
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* @param string $firstLine |
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* @param Request $request |
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* @throws HttpException |
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*/ |
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protected static function initRequest(string $firstLine, Request $request) |
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{ |
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$httpElements = \explode(' ', $firstLine); |
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if (\count($httpElements) < 3) { |
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throw Request::createNotHttpException($firstLine); |
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} |
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$httpElements[2] = \trim($httpElements[2]); |
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if (!\preg_match('/HTTP\/.+/', $httpElements[2])) { |
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throw Request::createNotHttpException($firstLine); |
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} |
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$request->setHttpVersion($httpElements[2]); |
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if (!\in_array($httpElements[0], ['POST', 'GET', 'PUT', 'DELETE'])) { |
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throw new HttpException( |
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\sprintf('Request not supported, only POST, GET, PUT, and DELETE are supported. "%s" received.', $httpElements[0]) |
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); |
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} |
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$request->setMethod($httpElements[0]); |
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$request->setUri($httpElements[1]); |
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} |
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private static function createNotHttpException($line) |
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{ |
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return new HttpException( |
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\sprintf('The request is not an http request. "%s" received.', $line) |
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); |
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} |
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protected static function initHeaders(array $headers, Request $request) |
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{ |
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foreach ($headers as $header) { |
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$cuttedHeader = \explode(':', $header); |
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$request->addHeader(\trim($cuttedHeader[0]), trim(str_replace($cuttedHeader[0] . ':', '', $header))); |
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} |
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} |
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} |
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Nekland /
Woketo
