fix error at route

utils/crypto.go

@@ -136,8 +136,8 @@ func DecryptAESMailLink(linkVerifyInfo *models.LinkVerify, w http.ResponseWriter
 
 //OTP+++++++++++++OTP//
 
-// Gen Otp and hash otp
-func GenOTP(registerInfo *models.PreusersMongo, counter uint64, otpDigits int, w http.ResponseWriter, otpChan chan models.OtpGenerate, wg *sync.WaitGroup) chan models.OtpGenerate {
+// Gen OTP and hash OTP
+func GenOTP(registerInfo *models.PreusersMongo, counter uint64, otpDigits int, w http.ResponseWriter, otpChan chan models.OtpGenerate, errorChan error, ctxCancel context.CancelFunc, wg *sync.WaitGroup) {
 
 	serectBase32 := base32.StdEncoding.EncodeToString([]byte(serect + registerInfo.UUID + registerInfo.Email))
 	passCode, err := hotp.GenerateCodeCustom(serectBase32, counter, hotp.ValidateOpts{
@@ -146,14 +146,18 @@ func GenOTP(registerInfo *models.PreusersMongo, counter uint64, otpDigits int, w
 	})
 
 	if err != nil {
+		errorChan = errors.New("fail to create OTP")
+		ctxCancel()
+		wg.Done()
 		fmt.Println("Internal log: Fail to create OTP")
-		_ = WriteJSONInternalError(w, "Fail to create OTP")
 	}
 
 	hashed, err := bcrypt.GenerateFromPassword([]byte(passCode), 5)
 	if err != nil {
+		errorChan = errors.New("fail to encrypt OTP")
+		ctxCancel()
+		wg.Done()
 		fmt.Println("Internal log: Fail to encrypt OTP")
-		_ = WriteJSONInternalError(w, "Fail to encrypt OTP")
 	}
 
 	data := models.OtpGenerate{
@@ -162,10 +166,6 @@ func GenOTP(registerInfo *models.PreusersMongo, counter uint64, otpDigits int, w
 	}
 
 	otpChan <- data
-	otpChan <- data
-	wg.Done()
-	return otpChan
-
 }
 
 //Decrypt OTP and verify otp

utils/restapiType.go

@@ -19,6 +19,7 @@ func WriteJSON(w http.ResponseWriter, status int, v any) error {
 
 func WriteJSONInternalError(w http.ResponseWriter, v any) error {
 	w.Header().Set("Content-Type", "application/json")
+	w.Header().Set("Access-Control-Allow-Origin", "*")
 	w.WriteHeader(http.StatusInternalServerError)
 	err := json.NewEncoder(w).Encode(v)
 	if err != nil {