public static List <SmartPaymentValidationError> ValidatePaymentString(string paymentString)
{
List <SmartPaymentValidationError> errors = new List <SmartPaymentValidationError>();
// TODO charset validation
/* if (!Charset.forName("ISO-8859-1").newEncoder().canEncode(paymentString))
* {
* // check encoding
* SmartPaymentValidationError error = new SmartPaymentValidationError();
* error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_CHARSET;
* error.ErrorDescription = "Invalid charset - only ISO-8859-1 characters must be used";
* errors.Add(error);
* return errors;
* }*/
if (!Regex.IsMatch(paymentString, "^SPD\\*[0-9]+\\.[0-9]+\\*.*"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_NOT_SPAYD;
error.ErrorDescription = "Invalid data prefix - SPD*{$VERSION}* expected.";
errors.Add(error);
return(errors);
}
if (!Regex.IsMatch(paymentString, "^SPD\\*[0-9]+\\.[0-9]+(\\*[0-9A-Z $%*+-.]+:[^\\*]+)+\\*?$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_STRUCTURE;
error.ErrorDescription = "Payment string code didn't pass the basic regexp validation.";
errors.Add(error);
return(errors);
}
IList <string> allowedKeyList = allowedKeys;
string[] components = paymentString.Split(new[] { "*" }, StringSplitOptions.None);
bool ibanFound = false;
// skip the header and version => start with 2
for (int i = 2; i < components.Length; i++)
{
int index = components[i].IndexOf(":");
if (index == -1)
{
// missing pair between two stars ("**")
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_STRUCTURE;
error.ErrorDescription = "Payment string code didn't pass the basic regexp validation.";
errors.Add(error);
continue;
}
string key = components[i].Substring(0, index);
string value = components[i].Substring(index + 1);
if (!allowedKeyList.Contains(key) && !key.StartsWith("X-"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_KEY_FOUND;
error.ErrorDescription = "Unknown key detected. Use 'X-' prefix to create your own key.";
errors.Add(error);
continue;
}
if (key.Equals("ACC"))
{
ibanFound = true;
if (!Regex.IsMatch(value, "^([A-Z]{2,2}[0-9]+)(\\+([A-Z0-9]+))?$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_IBAN;
error.ErrorDescription = "IBAN+BIC pair was not in the correct format.";
errors.Add(error);
}
}
else if (key.Equals("ALT-ACC"))
{
ibanFound = true;
if (!Regex.IsMatch(value, "^([A-Z]{2,2}[0-9]+)(\\+([A-Z0-9]+))?(,([A-Z]{2,2}[0-9]+)(\\+([A-Z0-9]+))?)*$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_ALTERNATE_IBAN;
error.ErrorDescription = "Alternate accounts are not properly formatted - should be IBAN+BIC list with items separated by ',' character.";
errors.Add(error);
}
}
else if (key.Equals("AM"))
{
if (!Regex.IsMatch(value, "^[0-9]{0,10}(\\.[0-9]{0,2})?$") || value.Equals("."))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_AMOUNT;
error.ErrorDescription = "Amount must be a number with at most 2 decimal digits.";
errors.Add(error);
}
}
else if (key.Equals("CC"))
{
decimal test;
if (!decimal.TryParse(value, out test))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_CURRENCY;
error.ErrorDescription = "Currency must be a valid currency from ISO 4271.";
errors.Add(error);
}
}
else if (key.Equals("RF"))
{
if (value.Length > 16 || value.Length < 1 || !Regex.IsMatch(value, "^[0-9]+$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_SENDERS_REFERENCE;
error.ErrorDescription = "Senders reference must be a decimal string with length between 1 and 16 characters.";
errors.Add(error);
}
}
else if (key.Equals("RN"))
{
if (value.Length > 40 || value.Length < 1)
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_RECIPIENT_NAME;
error.ErrorDescription = "Recipient name must be a string with length between 1 and 40 characters.";
errors.Add(error);
}
}
else if (key.Equals("NT"))
{
if (!value.Equals("E") && !value.Equals("P"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_NOTIFICATION_TYPE;
error.ErrorDescription = "Notification type must be 'E' (e-mail) or 'P' (phone).";
errors.Add(error);
}
}
else if (key.Equals("DT"))
{
if (!Regex.IsMatch(value, "^[0-9]{8,8}$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_DUE_DATE;
error.ErrorDescription = "Due date must be represented as a decimal string in YYYYmmdd format.";
errors.Add(error);
}
else
{
DateTime test;
if (!DateTime.TryParseExact(value, "yyyyMMdd", enUS, DateTimeStyles.AssumeLocal, out test))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_DUE_DATE;
error.ErrorDescription = "Due date must be represented as a decimal string in YYYYmmdd format.";
errors.Add(error);
}
}
}
else if (key.Equals("PT"))
{
if (value.Length > 3 || value.Length < 1)
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_PAYMENT_TYPE;
error.ErrorDescription = "Payment type must be at represented as a string with length between 1 and 3 characters.";
errors.Add(error);
}
}
else if (key.Equals("MSG"))
{
if (value.Length > 60 || value.Length < 1)
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_MESSAGE;
error.ErrorDescription = "Message must be at represented as a string with length between 1 and 60 characters.";
errors.Add(error);
}
}
}
if (!ibanFound)
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_IBAN_NOT_FOUND;
error.ErrorDescription = "You must specify an account number.";
errors.Add(error);
}
return(errors.Any() ? errors : null);
}
public static List<SmartPaymentValidationError> ValidatePaymentString(string paymentString)
{
List<SmartPaymentValidationError> errors = new List<SmartPaymentValidationError>();
// TODO charset validation
/* if (!Charset.forName("ISO-8859-1").newEncoder().canEncode(paymentString))
{
// check encoding
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_CHARSET;
error.ErrorDescription = "Invalid charset - only ISO-8859-1 characters must be used";
errors.Add(error);
return errors;
}*/
if (!Regex.IsMatch(paymentString, "^SPD\\*[0-9]+\\.[0-9]+\\*.*"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_NOT_SPAYD;
error.ErrorDescription = "Invalid data prefix - SPD*{$VERSION}* expected.";
errors.Add(error);
return errors;
}
if (!Regex.IsMatch(paymentString, "^SPD\\*[0-9]+\\.[0-9]+(\\*[0-9A-Z $%*+-.]+:[^\\*]+)+\\*?$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_STRUCTURE;
error.ErrorDescription = "Payment string code didn't pass the basic regexp validation.";
errors.Add(error);
return errors;
}
IList<string> allowedKeyList = allowedKeys;
string[] components = paymentString.Split(new[] {"*"}, StringSplitOptions.None);
bool ibanFound = false;
// skip the header and version => start with 2
for (int i = 2; i < components.Length; i++)
{
int index = components[i].IndexOf(":");
if (index == -1)
{
// missing pair between two stars ("**")
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_STRUCTURE;
error.ErrorDescription = "Payment string code didn't pass the basic regexp validation.";
errors.Add(error);
continue;
}
string key = components[i].Substring(0, index);
string value = components[i].Substring(index + 1);
if (!allowedKeyList.Contains(key) && !key.StartsWith("X-"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_KEY_FOUND;
error.ErrorDescription = "Unknown key detected. Use 'X-' prefix to create your own key.";
errors.Add(error);
continue;
}
if (key.Equals("ACC"))
{
ibanFound = true;
if (!Regex.IsMatch(value, "^([A-Z]{2,2}[0-9]+)(\\+([A-Z0-9]+))?$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_IBAN;
error.ErrorDescription = "IBAN+BIC pair was not in the correct format.";
errors.Add(error);
}
}
else if (key.Equals("ALT-ACC"))
{
ibanFound = true;
if (!Regex.IsMatch(value, "^([A-Z]{2,2}[0-9]+)(\\+([A-Z0-9]+))?(,([A-Z]{2,2}[0-9]+)(\\+([A-Z0-9]+))?)*$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_ALTERNATE_IBAN;
error.ErrorDescription = "Alternate accounts are not properly formatted - should be IBAN+BIC list with items separated by ',' character.";
errors.Add(error);
}
}
else if (key.Equals("AM"))
{
if (!Regex.IsMatch(value, "^[0-9]{0,10}(\\.[0-9]{0,2})?$") || value.Equals("."))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_AMOUNT;
error.ErrorDescription = "Amount must be a number with at most 2 decimal digits.";
errors.Add(error);
}
}
else if (key.Equals("CC"))
{
decimal test;
if (!decimal.TryParse(value, out test))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_CURRENCY;
error.ErrorDescription = "Currency must be a valid currency from ISO 4271.";
errors.Add(error);
}
}
else if (key.Equals("RF"))
{
if (value.Length > 16 || value.Length < 1 || !Regex.IsMatch(value, "^[0-9]+$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_SENDERS_REFERENCE;
error.ErrorDescription = "Senders reference must be a decimal string with length between 1 and 16 characters.";
errors.Add(error);
}
}
else if (key.Equals("RN"))
{
if (value.Length > 40 || value.Length < 1)
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_RECIPIENT_NAME;
error.ErrorDescription = "Recipient name must be a string with length between 1 and 40 characters.";
errors.Add(error);
}
}
else if (key.Equals("NT"))
{
if (!value.Equals("E") && !value.Equals("P"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_NOTIFICATION_TYPE;
error.ErrorDescription = "Notification type must be 'E' (e-mail) or 'P' (phone).";
errors.Add(error);
}
}
else if (key.Equals("DT"))
{
if (!Regex.IsMatch(value, "^[0-9]{8,8}$"))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_DUE_DATE;
error.ErrorDescription = "Due date must be represented as a decimal string in YYYYmmdd format.";
errors.Add(error);
}
else
{
DateTime test;
if (!DateTime.TryParseExact(value, "yyyyMMdd", enUS, DateTimeStyles.AssumeLocal, out test))
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_DUE_DATE;
error.ErrorDescription = "Due date must be represented as a decimal string in YYYYmmdd format.";
errors.Add(error);
}
}
}
else if (key.Equals("PT"))
{
if (value.Length > 3 || value.Length < 1)
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_PAYMENT_TYPE;
error.ErrorDescription = "Payment type must be at represented as a string with length between 1 and 3 characters.";
errors.Add(error);
}
}
else if (key.Equals("MSG"))
{
if (value.Length > 60 || value.Length < 1)
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_INVALID_MESSAGE;
error.ErrorDescription = "Message must be at represented as a string with length between 1 and 60 characters.";
errors.Add(error);
}
}
}
if (!ibanFound)
{
SmartPaymentValidationError error = new SmartPaymentValidationError();
error.ErrorCode = SmartPaymentValidationError.ERROR_IBAN_NOT_FOUND;
error.ErrorDescription = "You must specify an account number.";
errors.Add(error);
}
return errors.Any() ? errors : null;
}
