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<?php |
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namespace Http\Adapter\Zend; |
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use Http\Client\Exception\NetworkException; |
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use Http\Client\HttpClient; |
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use Http\Discovery\MessageFactoryDiscovery; |
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use Http\Message\ResponseFactory; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Zend\Http\Client as ZendClient; |
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use Zend\Http\Exception\RuntimeException; |
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use Zend\Http\Header\GenericHeader; |
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use Zend\Http\Headers; |
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use Zend\Http\Request; |
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class Client implements HttpClient |
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{ |
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/** @var ZendClient */ |
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private $client; |
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/** @var ResponseFactory */ |
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private $responseFactory; |
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public function __construct(ZendClient $client = null, ResponseFactory $responseFactory = null) |
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{ |
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$this->client = $client ?: new ZendClient(); |
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$this->responseFactory = $responseFactory ?: MessageFactoryDiscovery::find(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function sendRequest(RequestInterface $request): ResponseInterface |
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{ |
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$request = $this->sanitizeRequest($request); |
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$headers = new Headers(); |
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foreach ($request->getHeaders() as $key => $value) { |
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$headers->addHeader(new GenericHeader($key, $request->getHeaderLine($key))); |
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} |
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$zendRequest = new Request(); |
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$zendRequest->setMethod($request->getMethod()); |
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$zendRequest->setUri((string) $request->getUri()); |
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$zendRequest->setHeaders($headers); |
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$zendRequest->setContent($request->getBody()->getContents()); |
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$options = [ |
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'httpversion' => $request->getProtocolVersion(), |
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]; |
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if (extension_loaded('curl')) { |
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$options['curloptions'] = [ |
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CURLOPT_HTTP_VERSION => $this->getProtocolVersion($request->getProtocolVersion()), |
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]; |
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} |
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$this->client->setOptions($options); |
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if ($this->client->getAdapter() instanceof ZendClient\Adapter\Curl && $request->getMethod()) { |
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$request = $request->withHeader('Content-Length', '0'); |
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} |
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try { |
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$zendResponse = $this->client->send($zendRequest); |
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} catch (RuntimeException $exception) { |
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throw new NetworkException($exception->getMessage(), $request, $exception); |
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} |
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return $this->responseFactory->createResponse( |
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$zendResponse->getStatusCode(), |
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$zendResponse->getReasonPhrase(), |
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$zendResponse->getHeaders()->toArray(), |
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$zendResponse->getContent(), |
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$zendResponse->getVersion() |
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); |
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} |
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private function sanitizeRequest(RequestInterface $request) |
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{ |
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$request = $this->sanitizeWithTrace($request); |
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$request = $this->sanitizeWithCurl($request); |
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return $request; |
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} |
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/** |
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* Zend request remove the body if it's a trace but does not rewrite the content length header, |
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* This can lead to error from the server has it can expect a specific content length, but don't have |
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* a body, so we set content-length to 0 to avoid bad reading from the server. |
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* |
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* @param RequestInterface $request |
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* |
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* @return RequestInterface |
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*/ |
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private function sanitizeWithTrace(RequestInterface $request) |
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{ |
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if ('TRACE' === $request->getMethod()) { |
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$request = $request->withHeader('Content-Length', '0'); |
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} |
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return $request; |
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} |
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/** |
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* On cUrl Adapter, zend does not include the body if it's not a POST, PUT or PATCH request but does not |
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* rewrite the content length header. |
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* This can lead to error from the server has it can expect a specific content length, but don't have |
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* a body, so we set content-length to 0 to avoid bad reading from the server. |
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* |
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* @param RequestInterface $request |
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* |
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* @return RequestInterface |
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*/ |
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private function sanitizeWithCurl(RequestInterface $request) |
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{ |
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if ($this->client->getAdapter() instanceof ZendClient\Adapter\Curl && !in_array($request->getMethod(), [ |
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'POST', |
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'PUT', |
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'PATCH', |
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], true)) { |
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$request = $request->withHeader('Content-Length', '0'); |
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} |
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return $request; |
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} |
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/** |
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* Return cURL constant for specified HTTP version. |
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* |
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* @param string $requestVersion |
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* |
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* @throws \UnexpectedValueException if unsupported version requested |
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* |
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* @return int |
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*/ |
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private function getProtocolVersion($requestVersion) |
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{ |
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switch ($requestVersion) { |
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case '1.0': |
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return CURL_HTTP_VERSION_1_0; |
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case '1.1': |
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return CURL_HTTP_VERSION_1_1; |
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case '2.0': |
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if (defined('CURL_HTTP_VERSION_2_0')) { |
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return CURL_HTTP_VERSION_2_0; |
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} |
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throw new \UnexpectedValueException('libcurl 7.33 needed for HTTP 2.0 support'); |
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} |
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return CURL_HTTP_VERSION_NONE; |
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} |
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} |
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php-http /
zend-adapter
