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package awsauth
import (
"encoding/base64"
"net/http"
"net/url"
"strings"
)
func prepareRequestV2(request *http.Request, keys Credentials) *http.Request {
keyID := keys.AccessKeyID
values := url.Values{}
values.Set("AWSAccessKeyId", keyID)
values.Set("SignatureVersion", "2")
values.Set("SignatureMethod", "HmacSHA256")
values.Set("Timestamp", timestampV2())
augmentRequestQuery(request, values)
if request.URL.Path == "" {
request.URL.Path += "/"
}
return request
}
func stringToSignV2(request *http.Request) string {
str := request.Method + "\n"
str += strings.ToLower(request.URL.Host) + "\n"
str += request.URL.Path + "\n"
str += canonicalQueryStringV2(request)
return str
}
func signatureV2(strToSign string, keys Credentials) string {
hashed := hmacSHA256([]byte(keys.SecretAccessKey), strToSign)
return base64.StdEncoding.EncodeToString(hashed)
}
func canonicalQueryStringV2(request *http.Request) string {
return request.URL.RawQuery
}
func timestampV2() string {
return now().Format(timeFormatV2)
}
const timeFormatV2 = "2006-01-02T15:04:05"
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