sign

func EncodePath ¶

func EncodePath(pathName string) string

EncodePath encode the strings from UTF-8 byte representations to HTML hex escape sequences

This is necessary since regular url.Parse() and url.Encode() functions do not support UTF-8 non english characters cannot be parsed due to the nature in which url.Encode() is written

This function on the other hand is a direct replacement for url.Encode() technique to support pretty much every UTF-8 character.

func GetCanonicalRequest ¶

func GetCanonicalRequest(extractedSignedHeaders http.Header, payload, queryStr, urlPath, method string) string

GetCanonicalRequest generate a canonical request of style

canonicalRequest =

<HTTPMethod>\n
<CanonicalURI>\n
<CanonicalQueryString>\n
<CanonicalHeaders>\n
<SignedHeaders>\n
<HashedPayload>

func GetContentSHA256Checksum ¶

func GetContentSHA256Checksum(r *http.Request) (string, error)

func GetSignature ¶

func GetSignature(signingKey []byte, stringToSign string) string

GetSignature final signature in hexadecimal form.

func GetSignedHeaders ¶

func GetSignedHeaders(signedHeaders http.Header) string

GetSignedHeaders generate a string i.e alphabetically sorted, semicolon-separated list of lowercase request header names

func GetSigningKey ¶

func GetSigningKey(secretKey string, t time.Time, region string) []byte

GetSigningKey hmac seed to calculate final signature.

func GetStringToSign ¶

func GetStringToSign(canonicalRequest string, t time.Time, scope string) string

GetStringToSign a string based on selected query values.

func IsRequestSignatureV4 ¶

func IsRequestSignatureV4(r *http.Request) bool

IsRequestSignatureV4 Verify if request has AWS Signature Version '4'.