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<?php |
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namespace AlibabaCloud\Client\Support; |
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use GuzzleHttp\Psr7\Request; |
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use Psr\Http\Message\UriInterface; |
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/** |
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* Class Sign |
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* |
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* @package AlibabaCloud\Client\Support |
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*/ |
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class Sign |
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{ |
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/** |
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* @var string |
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*/ |
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private static $headerSeparator = "\n"; |
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/** |
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* Construct standard Header for Alibaba Cloud. |
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* |
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* @param array $headers |
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* |
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* @return string |
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*/ |
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private static function acsHeaderString(array $headers) |
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{ |
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$array = []; |
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foreach ($headers as $headerKey => $headerValue) { |
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$key = strtolower($headerKey); |
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if (strncmp($key, 'x-acs-', 6) === 0) { |
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$array[$key] = $headerValue; |
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} |
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} |
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ksort($array); |
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$string = ''; |
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foreach ($array as $sortMapKey => $sortMapValue) { |
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$string .= $sortMapKey . ':' . $sortMapValue[0] . self::$headerSeparator; |
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} |
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return $string; |
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} |
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/** |
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* @param UriInterface $uri |
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* |
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* @return string |
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*/ |
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private static function resourceString(UriInterface $uri) |
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{ |
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return $uri->getPath() . '?' . $uri->getQuery(); |
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} |
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/** |
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* @param string $method |
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* @param array $headers |
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* |
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* @return string |
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*/ |
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private static function headerString($method, array $headers) |
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{ |
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$string = $method . self::$headerSeparator; |
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if (isset($headers['Accept'][0])) { |
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$string .= $headers['Accept'][0]; |
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} |
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$string .= self::$headerSeparator; |
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if (isset($headers['Content-MD5'][0])) { |
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$string .= $headers['Content-MD5'][0]; |
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} |
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$string .= self::$headerSeparator; |
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if (isset($headers['Content-Type'][0])) { |
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$string .= $headers['Content-Type'][0]; |
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} |
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$string .= self::$headerSeparator; |
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if (isset($headers['Date'][0])) { |
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$string .= $headers['Date'][0]; |
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} |
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$string .= self::$headerSeparator; |
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$string .= self::acsHeaderString($headers); |
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return $string; |
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} |
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/** |
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* @param string $string |
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* |
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* @return null|string|string[] |
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*/ |
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private static function percentEncode($string) |
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{ |
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$result = urlencode($string); |
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$result = str_replace(['+', '*'], ['%20', '%2A'], $result); |
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$result = preg_replace('/%7E/', '~', $result); |
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return $result; |
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} |
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/** |
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* @param string $method |
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* @param array $parameters |
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* |
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* @return string |
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*/ |
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public static function rpcString($method, array $parameters) |
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{ |
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ksort($parameters); |
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$canonicalized = ''; |
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foreach ($parameters as $key => $value) { |
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$canonicalized .= '&' . self::percentEncode($key) . '=' . self::percentEncode($value); |
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} |
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return $method . '&%2F&' . self::percentEncode(substr($canonicalized, 1)); |
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} |
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/** |
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* @param Request $request |
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* |
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* @return string |
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*/ |
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public static function roaString(Request $request) |
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{ |
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return self::headerString($request->getMethod(), $request->getHeaders()) . |
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self::resourceString($request->getUri()); |
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} |
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} |
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aliyun /
openapi-sdk-php-client
