// validateTatHeaders fetch user in db and check Password
func validateTatHeaders(tatHeaders tatHeaders) (models.User, error) {
user := models.User{}
if tatHeaders.trustUsername != "" && tatHeaders.trustUsername != "null" {
err := user.TrustUsername(tatHeaders.trustUsername)
if err != nil {
return user, fmt.Errorf("User %s does not exist. Please register before. Err:%s", tatHeaders.trustUsername, err.Error())
}
} else {
err := user.FindByUsernameAndPassword(tatHeaders.username, tatHeaders.password)
if err != nil {
return user, fmt.Errorf("Invalid Tat credentials for username %s, err:%s", tatHeaders.username, err.Error())
}
}
return user, nil
}