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<?php |
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/* |
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* (c) Markus Lanthaler <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace ML\FgcClient; |
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use Psr\Http\Message\ResponseInterface; |
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/** |
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* HTTP response headers parser |
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* |
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* More or less a shameless copy of {@link https://github.com/php-http/curl-client curl-client's} |
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* {@code HeadersParser}. |
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* |
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* @author Markus Lanthaler <[email protected]> |
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*/ |
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class HeaderParser |
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{ |
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/** |
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* Parse headers and write them to response object. |
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* |
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* @param string[] $headers Response headers as array of header lines. |
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* @param ResponseInterface $response Response to write headers to. |
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* |
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* @return ResponseInterface |
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* |
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* @throws \InvalidArgumentException For invalid status code arguments. |
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* @throws \RuntimeException |
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*/ |
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public function parseArray(array $headers, ResponseInterface $response) |
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{ |
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$statusLine = trim(array_shift($headers)); |
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$parts = explode(' ', $statusLine, 3); |
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if (count($parts) < 2 || substr(strtolower($parts[0]), 0, 5) !== 'http/') { |
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throw new \RuntimeException( |
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sprintf('"%s" is not a valid HTTP status line', $statusLine) |
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); |
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} |
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$reasonPhrase = count($parts) > 2 ? $parts[2] : ''; |
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$response = $response |
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->withStatus((int) $parts[1], $reasonPhrase) |
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->withProtocolVersion(substr($parts[0], 5)); |
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foreach ($headers as $headerLine) { |
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$headerLine = trim($headerLine); |
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if ('' === $headerLine) { |
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continue; |
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} |
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$parts = explode(':', $headerLine, 2); |
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if (count($parts) !== 2) { |
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throw new \RuntimeException( |
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sprintf('"%s" is not a valid HTTP header line', $headerLine) |
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); |
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} |
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$name = trim(urldecode($parts[0])); |
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$value = trim(urldecode($parts[1])); |
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if ($response->hasHeader($name)) { |
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$response = $response->withAddedHeader($name, $value); |
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} else { |
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$response = $response->withHeader($name, $value); |
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} |
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} |
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return $response; |
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} |
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} |
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lanthaler /
fgc-client
