package auth import ( "crypto/hmac" "crypto/sha256" "encoding/base64" b64 "encoding/base64" "encoding/hex" "fmt" "net/http" "strconv" "time" ) type Auther struct { AccessID string SecretKey string } var UseSignAuthored = true func (a *Auther) Auth(req *http.Request, useSignAuthored bool, auth Auther, reqBody string) { if useSignAuthored { now := time.Now() timeStamp := now.Unix() req.Header.Add("AccessId", auth.AccessID) req.Header.Add("TimeStamp", strconv.Itoa(int(timeStamp))) sign := GenSign(uint64(timeStamp), auth.AccessID, auth.SecretKey, reqBody) req.Header.Add("Sign", sign) } else { author := makeAuthHeader(a.AccessID, a.SecretKey) //log.Printf("author string:%v", author) req.Header.Add("Authorization", author) } //req.Header.Add("Content-Type", "application/json") } func makeAuthHeader(appID, secretKey string) string { base64Str := base64.StdEncoding.EncodeToString( []byte( fmt.Sprintf("%s:%s", appID, secretKey), ), ) return fmt.Sprintf("Basic %s", base64Str) } func GenSign(timeStamp uint64, accessId string, secretKey, requestBody string) string { signBody := strconv.Itoa(int(timeStamp)) + accessId + requestBody // Create a new HMAC by defining the hash type and the key (as byte array) h := hmac.New(sha256.New, []byte(secretKey)) // Write Data to it h.Write([]byte(signBody)) // Get result and encode as hexadecimal string sha := hex.EncodeToString(h.Sum(nil)) //fmt.Println() //fmt.Println("timeStamp: " + strconv.Itoa(int(timeStamp)) + " accessID:" + accessId + " body:" + requestBody) sEnc := b64.StdEncoding.EncodeToString([]byte(sha)) //fmt.Println("final Result " + sEnc) return sEnc }