public MyOTPGenerator(string keyuri)
{
Uri uri = new Uri(keyuri);
if (uri.Scheme != "otpauth" || uri.Query == "")
{
throw new Exception("OTPAUTH用のURIじゃありません");
}
Dictionary <string, string> query = new Dictionary <string, string>();
uri.Query
.Substring(1)
.Split('&')
.ToList()
.ForEach((q) =>
{
string[] p = q.Split('=');
query.Add(p[0], p[1]);
});
if (!query.ContainsKey("secret"))
{
throw new Exception("OTPAUTH用のURIじゃありません");
}
secret = Base32.Base32Encoder.Decode(query["secret"]);
// 未実装なので固定
type = OTPType.TOTP;
algorithm = HashAlgorithm.SHA1;
digit = 6;
period = 30;
}
private JObject CreateOTPData(OTPType otpType, string securityToken)
{
var otp = CommonUtility.RandomNumber(4);
JObject otpData = new JObject();
otpData[CommonConst.CommonField.ID] = CommonUtility.GetNewID();
otpData[CommonConst.CommonField.OTP] = otp;
otpData[CommonConst.CommonField.SECURITY_TOKEN] = securityToken;
otpData[CommonConst.CommonField.OTP_TYPE] = otpType.ToString();
otpData[CommonConst.CommonField.DURATION] = 15;
otpData[CommonConst.CommonField.STATUS] = OTPStatus.New.ToString();
return(otpData);
}
public bool Send(string phoneNumber, string smsTemplate, OTPType otpType, string securityToken = null)
{
var otpData = CreateOTPData(otpType, securityToken);
otpData[CommonConst.CommonField.PHONE] = phoneNumber;
if (_dbService.Write(CommonConst.Collection.OTPs, otpData))
{
return(_smsService.Send(phoneNumber, smsTemplate, otpData, false));
}
else
{
return(false);
}
}
public bool SendEmail(string email, string emailTemplate, string subject, OTPType otpType, string securityToken)
{
var otpData = CreateOTPData(otpType, securityToken);
otpData[CommonConst.CommonField.EMAIL] = email;
if (_dbService.Write(CommonConst.Collection.OTPs, otpData))
{
List <string> to = new List <string>()
{
email
};
var fromEmail = _appSettingService.GetAppSettingData(CommonConst.CommonField.FROM_EMAIL_ID);
return(_emailService.Send(to, fromEmail, null, emailTemplate, subject, otpData));
}
else
{
return(false);
}
}
public bool Validate(string phoneNumber, string otp, OTPType otpType, string securityToken = null)
{
Dictionary <string, string> filter = new Dictionary <string, string>();
filter[CommonConst.CommonField.OTP] = otp;
filter[CommonConst.CommonField.PHONE] = phoneNumber;
filter[CommonConst.CommonField.STATUS] = OTPStatus.New.ToString();
filter[CommonConst.CommonField.OTP_TYPE] = otpType.ToString();
var otpData = _dbService.FirstOrDefault(CommonConst.Collection.OTPs, filter);
if (otpData != null)
{
otpData[CommonConst.CommonField.STATUS] = OTPStatus.Used.ToString();
if (_dbService.Write(CommonConst.Collection.OTPs, otpData, filter))
{
if (!string.IsNullOrEmpty(securityToken))
{
return(otpData[CommonConst.CommonField.SECURITY_TOKEN].ToString() == securityToken);
}
else
{
return(true);
}
}
else
{
_logger.Error("Error updating OTP status on DB");
return(false);
}
}
else
{
return(false);
}
}
public API(OTPType type, string secret_code)
{
_t = type;
_s = secret_code;
}
