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<?php |
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namespace Http\Client\Socket; |
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use Http\Client\Socket\Exception\BrokenPipeException; |
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use Http\Client\Socket\Exception\TimeoutException; |
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use Http\Message\ResponseFactory; |
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use Nyholm\Psr7\Response; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* Method for reading response. |
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* |
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* Mainly used by SocketHttpClient |
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* |
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* @author Joel Wurtz <[email protected]> |
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*/ |
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trait ResponseReader |
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{ |
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/** |
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* @var ResponseFactory For creating response |
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*/ |
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protected $responseFactory; |
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/** |
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* Read a response from a socket. |
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* |
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* @param resource $socket |
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* |
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* @throws TimeoutException When the socket timed out |
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* @throws BrokenPipeException When the response cannot be read |
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*/ |
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protected function readResponse(RequestInterface $request, $socket): ResponseInterface |
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{ |
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$headers = []; |
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$reason = null; |
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while (false !== ($line = fgets($socket))) { |
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if ('' === rtrim($line)) { |
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break; |
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} |
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$headers[] = trim($line); |
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} |
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$metadatas = stream_get_meta_data($socket); |
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if (array_key_exists('timed_out', $metadatas) && true === $metadatas['timed_out']) { |
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throw new TimeoutException('Error while reading response, stream timed out', $request, null); |
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} |
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$parts = explode(' ', array_shift($headers), 3); |
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if (count($parts) <= 1) { |
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throw new BrokenPipeException('Cannot read the response', $request); |
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} |
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$protocol = substr($parts[0], -3); |
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$status = $parts[1]; |
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if (isset($parts[2])) { |
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$reason = $parts[2]; |
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} |
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// Set the size on the stream if it was returned in the response |
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$responseHeaders = []; |
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foreach ($headers as $header) { |
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$headerParts = explode(':', $header, 2); |
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if (!array_key_exists(trim($headerParts[0]), $responseHeaders)) { |
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$responseHeaders[trim($headerParts[0])] = []; |
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} |
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$responseHeaders[trim($headerParts[0])][] = isset($headerParts[1]) |
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? trim($headerParts[1]) |
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: ''; |
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} |
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$response = new Response($status, $responseHeaders, null, $protocol, $reason); |
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$stream = $this->createStream($socket, $request, $response); |
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return $response->withBody($stream); |
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} |
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/** |
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* Create the stream. |
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* |
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* @param resource $socket |
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*/ |
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protected function createStream($socket, RequestInterface $request, ResponseInterface $response): Stream |
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{ |
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$size = null; |
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if ($response->hasHeader('Content-Length')) { |
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$size = (int) $response->getHeaderLine('Content-Length'); |
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} |
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return new Stream($request, $socket, $size); |
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} |
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} |
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php-http /
socket-client
