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<?php |
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declare(strict_types=1); |
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namespace UMA\Psr7Hmac\Internal; |
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use Psr\Http\Message\RequestInterface; |
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final class RequestSerializer |
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{ |
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private const CRLF = "\r\n"; |
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/** |
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* Returns the string representation of an HTTP request. |
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* |
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* @param RequestInterface $request Request to convert to a string. |
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* |
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* @return string |
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*/ |
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140 |
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public static function serialize(RequestInterface $request): string |
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{ |
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return self::requestLine($request).self::headers($request).$request->getBody(); |
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} |
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140 |
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private static function requestLine(RequestInterface $request): string |
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{ |
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140 |
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$method = $request->getMethod(); |
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$target = self::fixTarget(\trim($request->getRequestTarget())); |
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$protocol = 'HTTP/'.$request->getProtocolVersion(); |
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return "$method $target $protocol".self::CRLF; |
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} |
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140 |
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private static function headers(RequestInterface $request): string |
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{ |
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$headers = $request->getHeaders(); |
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unset($headers['host'], $headers['Host'], $headers['HTTP_HOST']); |
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$headerLines = []; |
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foreach ($headers as $name => $value) { |
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$value = \is_array($value) ? $value : [$value]; |
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$normalizedName = HeaderNameNormalizer::normalize($name); |
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$headerLines[$normalizedName] = $normalizedName.': '.\implode(',', $value).self::CRLF; |
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} |
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\ksort($headerLines, SORT_STRING); |
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$host = $request->getUri()->getHost(); |
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return "host: $host".self::CRLF.\implode($headerLines).self::CRLF; |
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} |
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private static function fixTarget($target): string |
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{ |
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if (!\array_key_exists('query', $parsedTarget = \parse_url($target))) { |
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return $target; |
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} |
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\parse_str($parsedTarget['query'], $query); |
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\ksort($query, SORT_STRING); |
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return $parsedTarget['path'].'?'.\http_build_query($query); |
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} |
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} |
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1ma /
Psr7Hmac
