/// <summary>
///
/// </summary>
/// <param name="controllerContext"></param>
/// <param name="bindingContext"></param>
/// <returns></returns>
public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
var modelName = bindingContext.ModelName;
IUnvalidatedValueProvider valueProvider = bindingContext.ValueProvider as IUnvalidatedValueProvider;
var valueProviderResult = valueProvider == null?bindingContext.ValueProvider.GetValue(modelName) : valueProvider.GetValue(modelName, true);
if (valueProviderResult == null)
{
return(null);
}
bindingContext.ModelState.SetModelValue(modelName, valueProviderResult);
string value = valueProviderResult.AttemptedValue;
if (string.IsNullOrEmpty(value))
{
return(null);
}
IXssSchemeName scheme = bindingContext.ModelMetadata?.ContainerType?.GetProperty(bindingContext.ModelMetadata.PropertyName).GetCustomAttributes(true)?.Cast <IXssSchemeName>()?.FirstOrDefault() ?? null;
if (scheme == null)
{
return((RichText)value);
}
RichText richText = new RichText(value, DependencyResolver.Current.GetService <IFilterPolicyFactory>().CreateHtmlFilter(scheme.GetSchemeName(controllerContext.HttpContext).Result).Result);
return(richText);
}
/// <summary>
///
/// </summary>
/// <param name="bindingContext"></param>
/// <returns></returns>
public async Task BindModelAsync(ModelBindingContext bindingContext)
{
if (bindingContext == null)
{
throw new ArgumentNullException(nameof(bindingContext));
}
var modelName = bindingContext.ModelName;
var valueProviderResult = bindingContext.ValueProvider.GetValue(modelName);
if (valueProviderResult == ValueProviderResult.None)
{
return;
}
bindingContext.ModelState.SetModelValue(modelName, valueProviderResult);
string value = (string)valueProviderResult;
if (string.IsNullOrEmpty(value))
{
return;
}
IXssSchemeName scheme = bindingContext.ModelMetadata is DefaultModelMetadata defaultModelMetadata?
(defaultModelMetadata.MetadataKind == ModelMetadataKind.Parameter ? defaultModelMetadata.Attributes.ParameterAttributes : defaultModelMetadata.Attributes.PropertyAttributes)?.Cast <IXssSchemeName>()?.FirstOrDefault():null;
RichText richText = scheme == null ?(RichText)value :
new RichText(value, await bindingContext.HttpContext.RequestServices.GetService <IFilterPolicyFactory>().CreateHtmlFilter(await scheme.GetSchemeName(bindingContext.HttpContext)));
bindingContext.Result = ModelBindingResult.Success(richText);
}
