Function getCanonicalRequest

pkg/signer/request-signature-v4.go:187–198

getCanonicalRequest generate a canonical request of style. canonicalRequest = <HTTPMethod>\n <CanonicalURI>\n <CanonicalQueryString>\n <CanonicalHeaders>\n <SignedHeaders>\n <HashedPayload>

(req http.Request, ignoredHeaders map[string]bool, hashedPayload string)

//	<SignedHeaders>\n
//	<HashedPayload>
func getCanonicalRequest(req http.Request, ignoredHeaders map[string]bool, hashedPayload string) string {
	req.URL.RawQuery = strings.ReplaceAll(req.URL.Query().Encode(), "+", "%20")
	canonicalRequest := strings.Join([]string{
		req.Method,
		s3utils.EncodePath(req.URL.Path),
		req.URL.RawQuery,
		getCanonicalHeaders(req, ignoredHeaders),
		getSignedHeaders(req, ignoredHeaders),
		hashedPayload,
	}, "\n")
	return canonicalRequest
}

// getStringToSign a string based on selected query values.
func getStringToSignV4(t time.Time, location, canonicalRequest, serviceType string) string {