80, "https" => 443]; HttpUtils::$PERCENT_ENCODED_STRINGS = []; for ($i = 0; $i < 256; ++$i) { HttpUtils::$PERCENT_ENCODED_STRINGS[$i] = sprintf("%%%02X", $i); } foreach (range('a', 'z') as $ch) { HttpUtils::$PERCENT_ENCODED_STRINGS[ord($ch)] = $ch; } foreach (range('A', 'Z') as $ch) { HttpUtils::$PERCENT_ENCODED_STRINGS[ord($ch)] = $ch; } foreach (range('0', '9') as $ch) { HttpUtils::$PERCENT_ENCODED_STRINGS[ord($ch)] = $ch; } HttpUtils::$PERCENT_ENCODED_STRINGS[ord('-')] = '-'; HttpUtils::$PERCENT_ENCODED_STRINGS[ord('.')] = '.'; HttpUtils::$PERCENT_ENCODED_STRINGS[ord('_')] = '_'; HttpUtils::$PERCENT_ENCODED_STRINGS[ord('~')] = '~'; } public static function generateHostHeader(Uri $uri) { $host = $uri->getHost(); if (self::isUsingNonDefaultPort($uri)) { $host .= ':'.$uri->getPort(); } return $host; } public static function isUsingNonDefaultPort(Uri $uri) { $schema = strtolower($uri->getScheme()); $port = $uri->getPort(); if (empty($port) && $port < 0) { return false; } return $port != self::$defaultPorts[$schema]; } /** * Normalize a string for use in url path. The algorithm is: *

*

    *
  1. Normalize the string
    2. *
  2. replace all "%2F" with "/"
    3. *
  3. replace all "//" with "/%2F"
    4. *
*

* Bos object key can contain arbitrary characters, which may result double * slash in the url path. Apache Http client will replace "//" in the path * with a single '/', which makes the object key incorrect. Thus we replace * "//" with "/%2F" here. * @param $path string the path string to normalize. * @return string the normalized path string. * @see #normalize(string) */ public static function urlEncodeExceptSlash($path) { return str_replace("%2F", "/", self::urlEncode($path)); } /** * Normalize a string for use in BCE web service APIs. The normalization * algorithm is: *

*

    *
  1. Convert the string into a UTF-8 byte array.
    2. *
  2. Encode all octets into percent-encoding, except all URI unreserved * characters per the RFC 3986.
    3. *
*

* All letters used in the percent-encoding are in uppercase. * @param $value string the string to normalize. * @return string the normalized string. */ public static function urlEncode($value) { $result = ''; for ($i = 0; $i < strlen($value); ++$i) { $result .= self::$PERCENT_ENCODED_STRINGS[ord($value[$i])]; } return $result; } /** * @param $parameters array * @param $forSignature bool * @return string */ public static function getCanonicalQueryString(array $parameters, $forSignature) { if (count($parameters) == 0) { return ''; } $parameterStrings = []; foreach ($parameters as $name => $values) { if ($forSignature && strcasecmp(Headers::AUTHORIZATION, $name) == 0) { continue; } if (!isset($name)) { throw new \InvalidArgumentException( "parameter key should not be null" ); } if (empty($values)) { if ($forSignature) { $parameterStrings[] = self::urlEncode($name).'='; } else { $parameterStrings[] = self::urlEncode($name); } } else { foreach ($values as $value) { $parameterStrings[] = self::urlEncode($name) .'='.self::urlEncode($value); } } } if ($forSignature) { sort($parameterStrings); } return implode('&', $parameterStrings); } /** * @param array $parameters * @return array */ public static function encodedParameters(array $parameters) { if (empty($parameters)) { return []; } $encodedParameters = []; foreach ($parameters as $name => $values) { if (empty($values)) { $encodedParameters[$name] = ''; } elseif (count($values) == 1) { $encodedParameters[$name] = self::urlEncode($values[0]); } else { $targetValues = []; foreach ($values as $value) { $targetValues[] = self::urlEncode($value); } $encodedParameters[$name] = $targetValues; } } return $encodedParameters; } public static function usePayloadForQueryParameters(Request $request) { $requestIsPOST = HttpMethod::POST == $request->getHttpMethod(); $requestHasNoPayload = empty($request->getContent()); return $requestIsPOST && $requestHasNoPayload; } } HttpUtils::__init();