/// <summary>
/// Indicates whether input is in correct format for a credit card number and is valid.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool CreditCard(this ValidatableValue <string> inputV)
{
var input = inputV.Value.Replace(" ", "");
input = input.Replace("-", "");
if (!input.IsValid().Numeric())
{
inputV.AddError("Contains invalid characters");
}
else
{
var sumOfDigits = 0;
var pos = 0;
for (var i = input.Length - 1; i >= 0; i--)
{
var e = input[i];
if (e >= '0' && e <= '9')
{
var v = ((int)e - 48) * (pos % 2 == 0 ? 1 : 2);
sumOfDigits += v / 10 + v % 10;
pos++;
}
}
if (sumOfDigits % 10 != 0)
{
inputV.AddError("Check sum not valid");
}
}
return(inputV.IsValid);
}
/// <summary>
/// Indicates whether supplied input is either in ISBN-10 digit format or ISBN-13 digit format.
/// </summary>
/// <param name="input"></param>
/// <param name="version">Valid options are: IsbnVersion.Ten, IsbnVersion.Thirteen or IsbnVersion.Any</param>
/// <returns></returns>
/// IsbnVersion
public static bool Isbn(this ValidatableValue <string> inputVal, IsbnVersion version = IsbnVersion.Any)
{
var input = RemoveSpacesAndHyphens(inputVal.Value);
switch (version)
{
case IsbnVersion.Any:
if (!IsIsbn10(input) && !IsIsbn13(input))
{
inputVal.AddError("Not ISBN 10 or 13");
}
return(inputVal.IsValid);
case IsbnVersion.Thirteen:
if (!IsIsbn13(input))
{
inputVal.AddError("Not ISBN 13");
}
return(inputVal.IsValid);
case IsbnVersion.Ten:
if (!IsIsbn10(input))
{
inputVal.AddError("Not ISBN 10");
}
return(inputVal.IsValid);
}
throw new ArgumentOutOfRangeException(
"version",
string.Format("Isbn version {0} is not supported.", version));
}
/// <summary>
/// Determine whether input is a valid IP address of the address families
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool IPAddress(this ValidatableValue <string> input, params System.Net.Sockets.AddressFamily[] family)
{
if (family == null || !family.Any())
{
input.AddError("No AddressFamily specified");
return(false);
}
IPAddress address;
if (System.Net.IPAddress.TryParse(input.Value, out address))
{
if (family.Contains(address.AddressFamily))
{
return(true);
}
input.AddError("AddressFamily doesn't match");
}
else
{
input.AddError("Failed to parse IP address");
}
return(false);
}
/// <summary>
/// Banks the account.
/// </summary>
/// <param name="branchNumber">The combind branch/bank number. I.E. UK sort code</param>
/// <returns></returns>
public static bool BankAccount(this ValidatableValue <string> inputV, string branchNumber)
{
var errors = new List <ValidationResult>();
foreach (var l in inputV.Locale)
{
var validator = new ValidatableValue <string>(inputV.Value, l);
if (validatorsWithBranch.ContainsKey(l))
{
if (validatorsWithBranch[l](validator, branchNumber))
{
//is valid no errors
return(true);
}
}
else
{
validator.AddError($"Unable to validate banks for '{l}'");
}
errors.AddRange(validator.Errors);
}
//lets add all the validation errors (if invalid to the source validatable)
foreach (var r in errors)
{
inputV.AddError(r);
}
return(inputV.IsValid);
}
/// <summary>
/// Determines whether the given phone number is a mobile phone number or not. Based on the current locale of the executing thread
/// </summary>
/// <param name="phoneNumber">The phone number to check.</param>
/// <param name="exitCode">The exit code.</param>
/// <returns>
/// True if it is a mobile phone number, false otherwise.
/// </returns>
/// <remarks>
/// Relies on locales that use specific blocks of numbers for mobile phone numbers.
/// </remarks>
public static bool MobilePhone(this ValidatableValue <string> phoneNumber, string exitCode)
{
if (!phoneNumber.Locale.Any(loc => IsLocalPhone(phoneNumber, loc, exitCode)))
{
phoneNumber.AddError("Not a recognised mobile phone number");
}
return(phoneNumber.IsValid);
}
/// <summary>
/// Indicates whether supplied input is either in ISBN-10 digit format or ISBN-13 digit format.
/// </summary>
/// <param name="input"></param>
/// <param name="version">Valid options are: IsbnVersion.Ten, IsbnVersion.Thirteen or IsbnVersion.Any</param>
/// <returns></returns>
/// IsbnVersion
public static bool BusinessIdentifierCode(this ValidatableValue <string> inputVal)
{
var val = inputVal.Value;
if (!(val.Length == 8 || val.Length == 11))
{
inputVal.AddError("Invalid length");
}
if (val.Length >= 4)
{
var institutionCode = inputVal.Value.Substring(0, 4);
if (institutionCode.Any(x => !Char.IsLetter(x)))
{
//must be made up of letters
inputVal.AddError("Invalid Institution Code");
}
}
if (val.Length >= 6)
{
var countryCode = inputVal.Value.Substring(4, 2).ToUpperInvariant();
if (!Constants.CountryCodes.Codes.Contains(countryCode))
{
inputVal.AddError("Invalid Country Code");
}
}
if (val.Length >= 8)
{
var locationCode = inputVal.Value.Substring(6, 2).ToUpperInvariant();
if (locationCode.Any(x => !Char.IsLetterOrDigit(x)))
{
//must be made up of letters
inputVal.AddError("Invalid Location Code");
}
}
if (val.Length >= 11)
{
var branchCode = inputVal.Value.Substring(8, 3).ToUpperInvariant();
if (branchCode.Any(x => !Char.IsLetterOrDigit(x)))
{
//must be made up of letters
inputVal.AddError("Invalid Branch Code");
}
}
return(inputVal.IsValid);
}
/// <summary>
/// Determine whether input matches a valid email address.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool Email(this ValidatableValue <string> input)
{
try
{
if (new MailAddress(input.Value).Address != input.Value)
{
input.AddError("Input doesn't match address part");
}
return(true);
}
catch (Exception ex)
{
input.AddError(ex.Message);
}
return(false);
}
/// <summary>
/// Determine whether input matches a valid email address.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool Email(this ValidatableValue <string> input)
{
try
{
var validationResult = IsValid(input.Value);
if (validationResult != null)
{
input.AddError(validationResult);
return(false);
}
return(true);
}
catch (Exception ex)
{
input.AddError(ex.Message);
}
return(false);
}
/// <summary>
/// Indicates whether input is in correct format for a number and is valid.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool Numeric(this ValidatableValue <string> inputValue)
{
var input = inputValue.Value;
if (input == null)
{
inputValue.AddError("Null value");
return(false);
}
int length = input.Length;
if (length == 0)
{
inputValue.AddError("No characters");
return(false);
}
int i = 0;
if (input[0] == '-')
{
if (length == 1)
{
inputValue.AddError("Contains only '-'");
return(false);
}
i = 1;
}
for (; i < length; i++)
{
char c = input[i];
if (c <= '/' || c >= ':')
{
inputValue.AddError("Contains out of range character");
return(false);
}
}
return(true);
}
/// <summary>
/// Indicates whether supplied input is either in ISBN-10 digit format or ISBN-13 digit format.
/// </summary>
/// <param name="input"></param>
/// <param name="version">Valid options are: IsbnVersion.Ten, IsbnVersion.Thirteen or IsbnVersion.Any</param>
/// <returns></returns>
/// IsbnVersion
public static bool Iban(this ValidatableValue <string> inputVal)
{
var val = inputVal.Value.ToUpper();
var countryCode = val.Trim().Substring(0, 2);
var validator = _countryValidationLength.FirstOrDefault(x => x.CountryCode == countryCode);
if (validator == null)
{
inputVal.AddError("Unrecognised country code");
return(false);
}
return(validator.Validate(inputVal));
}
/// <summary>
/// Determine whether input is in lower case.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static bool Uppercase(this ValidatableValue <string> input)
{
if (!input.IsValueSet || input.Value == null)
{
return(true);
}
var val = input.Value;
if (val != val.ToUpper())
{
input.AddError("Contains lowercase characters");
}
return(input.IsValid);
}
public static bool Model(this ValidatableValue <object> input)
{
if (input.Value == null)
{
return(false);
}
var context = new ValidationContext(input.Value);
//context.MemberName = "Range";
var results = new List <ValidationResult>();
System.ComponentModel.DataAnnotations.Validator.TryValidateObject(input.Value, context, results, true);
input.AddError(results);
return(input.IsValid);
}
internal bool Validate(ValidatableValue <string> inputVal)
{
var val = inputVal.Value.ToUpper();
var charCount = val.Count(Char.IsLetterOrDigit);
if (charCount != Length)
{
inputVal.AddError("Invalid length");
return(false);
}
var sb = new StringBuilder();
for (var i = 0; i < val.Length; i++)
{
var c = val[i];
if (!Char.IsWhiteSpace(c))
{
if (Char.IsLetter(c))
{
//letter
var v = (Char.ToUpper(c) - 'A') + 10;
sb.Append(v);
}
else if (Char.IsDigit(c))
{
sb.Append(c);
}
else
{
inputVal.AddError("Contains invalid character(s)");
return(false);
}
}
}
val = sb.ToString();
val = val.Substring(6) + val.Substring(0, 6);
var intVal = BigIntegerHelpers.Parse(val);
var remainder = System.Numerics.BigInteger.Remainder(intVal, new System.Numerics.BigInteger(97));
if (!remainder.IsOne)
{
inputVal.AddError("Invalid check digit");
}
//lets try and validate the actual account details
if (!string.IsNullOrWhiteSpace(LocaleCode))
{
val = inputVal.Value.ToUpper().Replace(" ", "");
var m = Pattern.Match(val);
string bankCode = null;
if (m.Groups["CG_S"] != null)
{
bankCode = m.Groups["CG_S"].Value; //sort code
}
var accountNumber = m.Groups["CG_C"].Value; //account number
var validator = accountNumber.IsValid(LocaleCode);
if (!validator.BankAccount(bankCode))
{
foreach (var e in validator.Errors)
{
inputVal.AddError(e);
}
}
}
return(inputVal.IsValid);
}