SenseNet.ContentRepository.Fields.PasswordFieldSetting.ValidateData C# (CSharp) Метод

        public override FieldValidationResult ValidateData(object value, Field field)
        {
            if (value == null)
                return new FieldValidationResult(CannotBeNullError);

            var data = value as PasswordField.PasswordData;
            if (data == null)
            {
                var sdata = value as string;
                if (sdata != null)
                    data = new PasswordField.PasswordData { Text = sdata };
            }
            if (data == null)
                return new FieldValidationResult(DataMustBePasswordData);

            // check password
            var user = field.Content.ContentHandler as User;
            if (user == null)
            {
                var checkResult = this.CheckPassword(data.Text, null);
                if (!checkResult.Valid)
                {
                    var validationResult = new PasswordFieldValidationResult(checkResult.Message);
                    validationResult.CheckResult = checkResult;
                    return validationResult;
                }
            }
            else
            {
                var checkResult = this.CheckPassword(data.Text, user.GetOldPasswords());
                if (!checkResult.Valid)
                {
                    var validationResult = new PasswordFieldValidationResult(checkResult.Message);
                    validationResult.CheckResult = checkResult;
                    return validationResult;
                }
            }

            var origValue = field.OriginalValue as PasswordField.PasswordData;
            bool isValidOriginalValue = !String.IsNullOrEmpty(origValue.Hash) || this.Compulsory != true;

            if (data.Text == null && data.Hash == null && !isValidOriginalValue)
                return new FieldValidationResult(OriginalIsInvalidError);

            if (data.Text != null)
                return base.ValidateData(data.Text, field);

            return FieldValidationResult.Successful;
        }