public void WrapperResolvesAuthenticationFilterFromDependencyScope()
{
var builder = new ContainerBuilder();
builder.Register<ILogger>(c => new Logger()).InstancePerDependency();
var activationCount = 0;
builder.Register<IAutofacAuthenticationFilter>(c => new TestAuthenticationFilter(c.Resolve<ILogger>()))
.AsWebApiAuthenticationFilterFor<TestController>(c => c.Get())
.InstancePerRequest()
.OnActivated(e => activationCount++);
var container = builder.Build();
var resolver = new AutofacWebApiDependencyResolver(container);
var configuration = new HttpConfiguration { DependencyResolver = resolver };
var requestMessage = new HttpRequestMessage();
requestMessage.Properties.Add(HttpPropertyKeys.HttpConfigurationKey, configuration);
var contollerContext = new HttpControllerContext { Request = requestMessage };
var controllerDescriptor = new HttpControllerDescriptor { ControllerType = typeof(TestController) };
var methodInfo = typeof(TestController).GetMethod("Get");
var actionDescriptor = new ReflectedHttpActionDescriptor(controllerDescriptor, methodInfo);
var actionContext = new HttpActionContext(contollerContext, actionDescriptor);
var context = new HttpAuthenticationContext(actionContext, Thread.CurrentPrincipal);
var metadata = new FilterMetadata
{
ControllerType = typeof(TestController),
FilterScope = FilterScope.Action,
MethodInfo = methodInfo
};
var wrapper = new AuthenticationFilterWrapper(metadata);
wrapper.OnAuthenticate(context);
Assert.That(activationCount, Is.EqualTo(1));
}
AsFilterFor <TFilter, TController>(IRegistrationBuilder <object, IConcreteActivatorData, SingleRegistrationStyle> registration, string metadataKey, Expression <Action <TController> > actionSelector)
where TController : IHttpController
{
if (registration == null)
{
throw new ArgumentNullException(nameof(registration));
}
if (actionSelector == null)
{
throw new ArgumentNullException(nameof(actionSelector));
}
var limitType = registration.ActivatorData.Activator.LimitType;
if (!limitType.IsAssignableTo <TFilter>())
{
var message = string.Format(
CultureInfo.CurrentCulture,
RegistrationExtensionsResources.MustBeAssignableToFilterType,
limitType.FullName,
typeof(TFilter).FullName);
throw new ArgumentException(message, nameof(registration));
}
var metadata = new FilterMetadata
{
ControllerType = typeof(TController),
FilterScope = FilterScope.Action,
MethodInfo = GetMethodInfo(actionSelector)
};
return(registration.As <TFilter>().WithMetadata(metadataKey, metadata));
}
/// <summary>
/// Initializes a new instance of the <see cref="AuthorizationFilterWrapper"/> class.
/// </summary>
/// <param name="filterMetadata">The filter metadata.</param>
public AuthorizationFilterWrapper(FilterMetadata filterMetadata)
{
if (filterMetadata == null)
{
throw new ArgumentNullException(nameof(filterMetadata));
}
this._filterMetadata = filterMetadata;
}
public ActionFilterWrapper(FilterMetadata filterMetadata)
{
if (filterMetadata == null)
{
throw new ArgumentNullException("filterMetadata");
}
_filterMetadata = filterMetadata;
}
private static void AsOverrideFor <TFilter, TController>(ContainerBuilder builder, string metadataKey)
{
var metadata = new FilterMetadata
{
ControllerType = typeof(TController),
FilterScope = FilterScope.Controller,
MethodInfo = null
};
builder.RegisterInstance(new AutofacOverrideFilter(typeof(TFilter)))
.As <IOverrideFilter>()
.WithMetadata(metadataKey, metadata);
}
private static void AsOverrideFor <TFilter, TController>(ContainerBuilder builder, string metadataKey, Expression <Action <TController> > actionSelector)
{
if (actionSelector == null)
{
throw new ArgumentNullException(nameof(actionSelector));
}
var metadata = new FilterMetadata
{
ControllerType = typeof(TController),
FilterScope = FilterScope.Action,
MethodInfo = GetMethodInfo(actionSelector)
};
builder.RegisterInstance(new AutofacOverrideFilter(typeof(TFilter)))
.As <IOverrideFilter>()
.WithMetadata(metadataKey, metadata);
}
/// <summary>
/// Initializes a new instance of the <see cref="AuthenticationFilterOverrideWrapper"/> class.
/// </summary>
/// <param name="filterMetadata">The filter metadata.</param>
public AuthenticationFilterOverrideWrapper(FilterMetadata filterMetadata) : base(filterMetadata)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ActionFilterOverrideWrapper"/> class.
/// </summary>
/// <param name="filterMetadata">The filter metadata.</param>
public ActionFilterOverrideWrapper(FilterMetadata filterMetadata) : base(filterMetadata)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AuthenticationFilterOverrideWrapper"/> class.
/// </summary>
/// <param name="filterMetadata">The filter metadata.</param>
public AuthenticationFilterOverrideWrapper(FilterMetadata filterMetadata) : base(filterMetadata)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AuthorizationFilterWrapper"/> class.
/// </summary>
/// <param name="filterMetadata">The filter metadata.</param>
public AuthorizationFilterWrapper(FilterMetadata filterMetadata)
{
if (filterMetadata == null) throw new ArgumentNullException("filterMetadata");
_filterMetadata = filterMetadata;
}
static bool FilterMatchesAction(FilterContext filterContext, MethodInfo methodInfo, string metadataKey, FilterMetadata metadata)
{
return(metadata.ControllerType != null &&
metadata.ControllerType.IsAssignableFrom(filterContext.ControllerType) &&
metadata.FilterScope == FilterScope.Action &&
metadata.MethodInfo.GetBaseDefinition() == methodInfo.GetBaseDefinition() &&
!MatchingFilterAdded(filterContext.AddedFilters[metadataKey], metadata));
}
static bool FilterMatchesController(FilterContext filterContext, string metadataKey, FilterMetadata metadata)
{
return(metadata.ControllerType != null &&
metadata.ControllerType.IsAssignableFrom(filterContext.ControllerType) &&
metadata.FilterScope == FilterScope.Controller &&
metadata.MethodInfo == null &&
!MatchingFilterAdded(filterContext.AddedFilters[metadataKey], metadata));
}
static bool MatchingFilterAdded(IEnumerable <FilterMetadata> filters, FilterMetadata metadata)
{
return(filters.Any(filter => filter.ControllerType == metadata.ControllerType &&
filter.FilterScope == metadata.FilterScope &&
filter.MethodInfo == metadata.MethodInfo));
}
private static bool FilterMatchesAction(FilterContext filterContext, MethodInfo methodInfo, string metadataKey, FilterMetadata metadata)
{
// Issue #10: Comparing MethodInfo.MethodHandle rather than just MethodInfo equality
// because MethodInfo equality fails on a derived controller if the base class method
// isn't marked virtual... but MethodHandle correctly compares regardless.
return(metadata.ControllerType != null &&
metadata.ControllerType.IsAssignableFrom(filterContext.ControllerType) &&
metadata.FilterScope == FilterScope.Action &&
metadata.MethodInfo.GetBaseDefinition().MethodHandle == methodInfo.GetBaseDefinition().MethodHandle &&
!MatchingFilterAdded(filterContext.AddedFilters[metadataKey], metadata));
}
/// <summary>
/// Initializes a new instance of the <see cref="ExceptionFilterOverrideWrapper"/> class.
/// </summary>
/// <param name="filterMetadata">The filter metadata.</param>
public ExceptionFilterOverrideWrapper(FilterMetadata filterMetadata) : base(filterMetadata)
{
}
