public ValidationResult IsValid(object?value, ValidationContext validationContext, PasswordAttribute validationAttribute)
{
if (!(value is string stringValue))
{
return(ValidationResult.Success);
}
if (_passwordRequirements == null)
{
return
(validationAttribute.IgnoreIfServiceUnavailable ?
ValidationResult.Success :
throw new InvalidOperationException($"Password options {typeof(IOptions<PasswordOptions>)} has not been registered or configured."));
}
if (IsValidPassword(stringValue))
{
return(ValidationResult.Success);
}
var result = new ExtendedValidationResult(validationAttribute, validationContext, new[] { validationContext.MemberName });
if (_passwordRequirements != null)
{
result.Properties[PasswordRequirementsPropertyKey] = _passwordRequirements;
}
return(result);
}
ExtendedValidationResult ValidateBinding(BindingExpression be, DependencyObject targetObject, DependencyProperty targetProperty)
{
Binding b = be.ParentBinding;
List <ExtendedValidationResult> results = new List <ExtendedValidationResult>();
foreach (var validationRule in b.ValidationRules)
{
if (validationRule is ExtendedValidationRule)
{
results.Add(EvaluateExtendedValidationRule(be, (ExtendedValidationRule)validationRule, targetObject, targetProperty));
}
}
return(ExtendedValidationResult.MergeResults(results));
}
public override ExtendedValidationResult Validate(object dataItem, System.Windows.PropertyPath propertyPath, object newValue, System.Globalization.CultureInfo cultureInfo)
{
string strValue = newValue as string;
if (strValue != null && strValue == "XXX")
{
return(ExtendedValidationResult.Error("The value may not be XXX"));
}
if (strValue != null && strValue == "YYY")
{
return(ExtendedValidationResult.Warning("The value should not be YYY, but if you insist..."));
}
return(ExtendedValidationResult.Valid);
}
