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<?php |
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/* |
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* This file is part of the Ivory Http Adapter package. |
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* |
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* (c) Eric GELOEN <[email protected]> |
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* |
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* For the full copyright and license information, please read the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Ivory\HttpAdapter; |
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use Ivory\HttpAdapter\Extractor\ProtocolVersionExtractor; |
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use Ivory\HttpAdapter\Extractor\StatusCodeExtractor; |
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use Ivory\HttpAdapter\Message\InternalRequestInterface; |
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use Ivory\HttpAdapter\Normalizer\BodyNormalizer; |
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use Ivory\HttpAdapter\Normalizer\HeadersNormalizer; |
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/** |
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* @author GeLo <[email protected]> |
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*/ |
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class SocketHttpAdapter extends AbstractHttpAdapter |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return 'socket'; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function sendInternalRequest(InternalRequestInterface $internalRequest) |
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{ |
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$uri = $internalRequest->getUri(); |
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$https = $uri->getScheme() === 'https'; |
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$socket = @stream_socket_client( |
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($https ? 'ssl' : 'tcp').'://'.$uri->getHost().':'.($uri->getPort() ?: ($https ? 443 : 80)), |
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$errno, |
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$errstr, |
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$this->getConfiguration()->getTimeout() |
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); |
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if ($socket === false) { |
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throw HttpAdapterException::cannotFetchUri($uri, $this->getName(), $errstr); |
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} |
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stream_set_timeout($socket, $this->getConfiguration()->getTimeout()); |
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fwrite($socket, $this->prepareRequest($internalRequest)); |
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list($responseHeaders, $body) = $this->parseResponse($socket); |
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$hasTimeout = $this->detectTimeout($socket); |
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fclose($socket); |
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if ($hasTimeout) { |
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throw HttpAdapterException::timeoutExceeded( |
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$uri, |
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$this->getConfiguration()->getTimeout(), |
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$this->getName() |
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); |
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} |
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return $this->getConfiguration()->getMessageFactory()->createResponse( |
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StatusCodeExtractor::extract($responseHeaders), |
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ProtocolVersionExtractor::extract($responseHeaders), |
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$responseHeaders = HeadersNormalizer::normalize($responseHeaders), |
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BodyNormalizer::normalize($this->decodeBody($responseHeaders, $body), $internalRequest->getMethod()) |
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); |
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} |
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/** |
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* @param InternalRequestInterface $internalRequest |
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* |
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* @return string |
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*/ |
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private function prepareRequest(InternalRequestInterface $internalRequest) |
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{ |
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$uri = $internalRequest->getUri(); |
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$path = $uri->getPath().($uri->getQuery() ? '?'.$uri->getQuery() : ''); |
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$request = $internalRequest->getMethod().' '.$path.' HTTP/'.$internalRequest->getProtocolVersion()."\r\n"; |
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$request .= 'Host: '.$uri->getHost().($uri->getPort() !== null ? ':'.$uri->getPort() : '')."\r\n"; |
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$request .= implode("\r\n", $this->prepareHeaders($internalRequest, false, true, true))."\r\n\r\n"; |
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$request .= $this->prepareBody($internalRequest)."\r\n"; |
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return $request; |
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} |
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/** |
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* @param resource $socket |
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* |
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* @return array |
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*/ |
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private function parseResponse($socket) |
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{ |
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$headers = ''; |
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$body = ''; |
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$processHeaders = true; |
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while (!feof($socket) && !$this->detectTimeout($socket)) { |
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$line = fgets($socket); |
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if ($line === "\r\n") { |
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$processHeaders = false; |
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} elseif ($processHeaders) { |
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$headers .= $line; |
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} else { |
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$body .= $line; |
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} |
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} |
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return [$headers, $body]; |
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} |
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/** |
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* @param array $headers |
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* @param string $body |
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* |
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* @return string |
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*/ |
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private function decodeBody(array $headers, $body) |
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{ |
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$headers = array_change_key_case($headers); |
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if (isset($headers['transfer-encoding']) && $headers['transfer-encoding'] === 'chunked') { |
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for ($decodedBody = ''; !empty($body); $body = trim($body)) { |
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$pos = strpos($body, "\r\n"); |
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$length = hexdec(substr($body, 0, $pos)); |
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$decodedBody .= substr($body, $pos + 2, $length); |
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$body = substr($body, $pos + $length + 2); |
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} |
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return $decodedBody; |
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} |
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return $body; |
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} |
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/** |
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* @param resource $socket |
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* |
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* @return bool |
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*/ |
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private function detectTimeout($socket) |
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{ |
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$info = stream_get_meta_data($socket); |
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return $info['timed_out']; |
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} |
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} |
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egeloen /
ivory-http-adapter
