public override void Because()
{
actionFilterRegistry = new ActionFilterRegistry(CreateStub<IFluentMvcObjectFactory>());
filterInstance = CreateStub<IActionFilter>();
FluentMvcConfiguration.Create(CreateStub<IFluentMvcResolver>(), actionFilterRegistry, CreateStub<IActionResultRegistry>(), CreateStub<IFilterConventionCollection>())
.WithFilter(filterInstance).BuildFilterProvider();
}
private static ActionExecutedContext InvokeActionFilter(IActionFilter filter,
ActionExecutionContext context, Func<ActionExecutedContext> continuation)
{
filter.OnExecuting(context);
if (context.Cancel)
return new ActionExecutedContext(context, null) {
Result = context.Result
};
bool wasError = false;
ActionExecutedContext postContext = null;
try
{
postContext = continuation();
}
catch (Exception ex)
{
wasError = true;
postContext = new ActionExecutedContext(context, ex);
filter.OnExecuted(postContext);
if (!postContext.ExceptionHandled)
throw;
}
if (!wasError)
filter.OnExecuted(postContext);
return postContext;
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryFilterProvider" /> class.
/// </summary>
/// <param name="queryFilter">The action filter that executes the query.</param>
public QueryFilterProvider(IActionFilter queryFilter)
{
if (queryFilter == null)
{
throw Error.ArgumentNull("queryFilter");
}
QueryFilter = queryFilter;
}
/// <summary>
/// Enables query support for actions with an <see cref="IQueryable" /> or <see cref="IQueryable{T}" /> return type.
/// </summary>
/// <param name="configuration">The server configuration.</param>
/// <param name="queryFilter">The action filter that executes the query.</param>
public static void EnableQuerySupport(this HttpConfiguration configuration, IActionFilter queryFilter)
{
if (configuration == null)
{
throw Error.ArgumentNull("configuration");
}
configuration.Services.Add(typeof(IFilterProvider), new QueryFilterProvider(queryFilter));
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryFilterProvider" /> class.
/// </summary>
/// <param name="queryFilter">The action filter that executes the query.</param>
public QueryFilterProvider(IActionFilter queryFilter)
{
if (queryFilter == null)
{
throw new ArgumentNullException("queryFilter");
}
QueryFilter = queryFilter;
}
public override void Given()
{
actionFilter = new TestActionFilter();
objectFactory = CreateStub<IFluentMvcObjectFactory>();
objectFactory.Stub(of => of.Resolve<IActionFilter>(Arg<Type>.Is.Anything))
.Return(actionFilter);
actionFilterRegistry = new ActionFilterRegistry(objectFactory);
actionFilterRegistryTester = new ActionFilterRegistryTester(actionFilterRegistry);
}
internal QueryFilterProvider(IActionFilter queryFilter, bool skipQueryableAttribute)
{
if (queryFilter == null)
{
throw Error.ArgumentNull("queryFilter");
}
QueryFilter = queryFilter;
_skipQueryableAttribute = skipQueryableAttribute;
}
/// <summary>
/// Initializes a new instance of the <see cref="TableFilterProvider"/> using the provided <see cref="QueryableAttribute"/>
/// implementation for executing the query.
/// </summary>
public TableFilterProvider(IActionFilter queryFilter)
{
if (queryFilter == null)
{
throw new ArgumentNullException("queryFilter");
}
this.queryFilter = new QueryableAttribute() { PageSize = TableUtils.PageSize };
this.queryFilterProvider = new QueryFilterProvider(queryFilter);
this.tableFilter = new FilterInfo(new TableQueryFilter(), FilterScope.Global);
}
public void InvokeActionWithActionFilters_ChainsFiltersInOrderFollowedByInnerActionContinuation()
{
// Arrange
HttpActionContext actionContextInstance = ContextUtil.CreateActionContext();
List<string> log = new List<string>();
Mock<IActionFilter> globalFilterMock = CreateActionFilterMock((ctx, ct, continuation) =>
{
log.Add("globalFilter");
return continuation();
});
Mock<IActionFilter> actionFilterMock = CreateActionFilterMock((ctx, ct, continuation) =>
{
log.Add("actionFilter");
return continuation();
});
Func<Task<HttpResponseMessage>> innerAction = () => Task<HttpResponseMessage>.Factory.StartNew(() =>
{
log.Add("innerAction");
return null;
});
var filters = new IActionFilter[] {
globalFilterMock.Object,
actionFilterMock.Object,
};
// Act
var result = ActionFilterResult.InvokeActionWithActionFilters(actionContextInstance,
CancellationToken.None, filters, innerAction);
// Assert
Assert.NotNull(result);
var resultTask = result();
Assert.NotNull(resultTask);
resultTask.WaitUntilCompleted();
Assert.Equal(new[] { "globalFilter", "actionFilter", "innerAction" }, log.ToArray());
globalFilterMock.Verify();
actionFilterMock.Verify();
}
public static void AddActionFilter(this IServiceContainer container, IActionFilter filter)
{
container.AddFilter(new FilterInfo {
Instance = filter, Order = int.MinValue
});
}
/// <summary>
/// 给过滤器排序
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
private int Compare( IActionFilter x, IActionFilter y )
{
if (x.Order > y.Order) return 1;
if (x.Order < y.Order) return -1;
return 0;
}
internal static Func<ActionExecutedContext> InvokeActionMethodFilterAsynchronously(IActionFilter filter, ActionExecutingContext preContext, Func<Func<ActionExecutedContext>> nextInChain)
{
filter.OnActionExecuting(preContext);
if (preContext.Result != null)
{
ActionExecutedContext shortCircuitedPostContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, true /* canceled */, null /* exception */)
{
Result = preContext.Result
};
return () => shortCircuitedPostContext;
}
// There is a nested try / catch block here that contains much the same logic as the outer block.
// Since an exception can occur on either side of the asynchronous invocation, we need guards on
// on both sides. In the code below, the second side is represented by the nested delegate. This
// is really just a parallel of the synchronous ControllerActionInvoker.InvokeActionMethodFilter()
// method.
try
{
Func<ActionExecutedContext> continuation = nextInChain();
// add our own continuation, then return the new function
return () =>
{
ActionExecutedContext postContext;
bool wasError = true;
try
{
postContext = continuation();
wasError = false;
}
catch (ThreadAbortException)
{
// This type of exception occurs as a result of Response.Redirect(), but we special-case so that
// the filters don't see this as an error.
postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, null /* exception */);
filter.OnActionExecuted(postContext);
throw;
}
catch (Exception ex)
{
postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, ex);
filter.OnActionExecuted(postContext);
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
filter.OnActionExecuted(postContext);
}
return postContext;
};
}
catch (ThreadAbortException)
{
// This type of exception occurs as a result of Response.Redirect(), but we special-case so that
// the filters don't see this as an error.
ActionExecutedContext postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, null /* exception */);
filter.OnActionExecuted(postContext);
throw;
}
catch (Exception ex)
{
ActionExecutedContext postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, ex);
filter.OnActionExecuted(postContext);
if (postContext.ExceptionHandled)
{
return () => postContext;
}
else
{
throw;
}
}
}
/// <summary>
/// Adds the specified filter to the ActionFilter list.
/// </summary>
/// <param name="filter"></param>
protected virtual void AddActionFilter(IActionFilter filter)
{
if (ActionFilters.Contains(filter)) return;
ActionFilters.Add(filter);
}
public void Add(IActionFilter filter, int?order = null)
{
Add(filter, order);
}
public void InvokeActionMethodWithFilters()
{
// Arrange
List<string> actionLog = new List<string>();
ControllerContext controllerContext = new ControllerContext();
Dictionary<string, object> parameters = new Dictionary<string, object>();
MockAsyncResult innerAsyncResult = new MockAsyncResult();
ActionResult actionResult = new ViewResult();
ActionFilterImpl filter1 = new ActionFilterImpl()
{
OnActionExecutingImpl = delegate(ActionExecutingContext filterContext) { actionLog.Add("OnActionExecuting1"); },
OnActionExecutedImpl = delegate(ActionExecutedContext filterContext) { actionLog.Add("OnActionExecuted1"); }
};
ActionFilterImpl filter2 = new ActionFilterImpl()
{
OnActionExecutingImpl = delegate(ActionExecutingContext filterContext) { actionLog.Add("OnActionExecuting2"); },
OnActionExecutedImpl = delegate(ActionExecutedContext filterContext) { actionLog.Add("OnActionExecuted2"); }
};
Mock<AsyncActionDescriptor> mockActionDescriptor = new Mock<AsyncActionDescriptor>();
mockActionDescriptor.Setup(d => d.BeginExecute(controllerContext, parameters, It.IsAny<AsyncCallback>(), It.IsAny<object>())).Returns(innerAsyncResult);
mockActionDescriptor.Setup(d => d.EndExecute(innerAsyncResult)).Returns(actionResult);
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
IActionFilter[] filters = new IActionFilter[] { filter1, filter2 };
// Act
IAsyncResult outerAsyncResult = invoker.BeginInvokeActionMethodWithFilters(controllerContext, filters, mockActionDescriptor.Object, parameters, null, null);
ActionExecutedContext postContext = invoker.EndInvokeActionMethodWithFilters(outerAsyncResult);
// Assert
Assert.Equal(new[] { "OnActionExecuting1", "OnActionExecuting2", "OnActionExecuted2", "OnActionExecuted1" }, actionLog.ToArray());
Assert.Equal(actionResult, postContext.Result);
}
public void SetFilter(IActionFilter actionFilter)
{
_actionFilter = actionFilter;
}
public ActionFilterOverride(IActionFilter wrappedFilter)
{
this._wrappedFilter = wrappedFilter;
}
/// <summary>
/// Initializes a new instance of the <see cref="AbstractActionFilter"/> class.
/// </summary>
protected AbstractActionFilter()
{
this.internalFilter = new InternalActionFilter(this);
}
public GlimpseActionFilter(IActionFilter actionFilter)
{
ActionFilter = actionFilter;
}
public static IEnumerable <IFilter> CreateFilterTracers(IFilter filter, ITraceWriter traceWriter)
{
List <IFilter> filters = new List <IFilter>();
bool addedActionAttributeTracer = false;
bool addedAuthorizationAttributeTracer = false;
bool addedExceptionAttributeTracer = false;
ActionFilterAttribute actionFilterAttribute = filter as ActionFilterAttribute;
if (actionFilterAttribute != null)
{
filters.Add(new ActionFilterAttributeTracer(actionFilterAttribute, traceWriter));
addedActionAttributeTracer = true;
}
AuthorizationFilterAttribute authorizationFilterAttribute = filter as AuthorizationFilterAttribute;
if (authorizationFilterAttribute != null)
{
filters.Add(new AuthorizationFilterAttributeTracer(authorizationFilterAttribute, traceWriter));
addedAuthorizationAttributeTracer = true;
}
ExceptionFilterAttribute exceptionFilterAttribute = filter as ExceptionFilterAttribute;
if (exceptionFilterAttribute != null)
{
filters.Add(new ExceptionFilterAttributeTracer(exceptionFilterAttribute, traceWriter));
addedExceptionAttributeTracer = true;
}
// Do not add an IActionFilter tracer if we already added an ActionFilterAttribute tracer
IActionFilter actionFilter = filter as IActionFilter;
if (actionFilter != null && !addedActionAttributeTracer)
{
filters.Add(new ActionFilterTracer(actionFilter, traceWriter));
}
// Do not add an IAuthorizationFilter tracer if we already added an AuthorizationFilterAttribute tracer
IAuthorizationFilter authorizationFilter = filter as IAuthorizationFilter;
if (authorizationFilter != null && !addedAuthorizationAttributeTracer)
{
filters.Add(new AuthorizationFilterTracer(authorizationFilter, traceWriter));
}
IAuthenticationFilter authenticationFilter = filter as IAuthenticationFilter;
if (authenticationFilter != null)
{
filters.Add(new AuthenticationFilterTracer(authenticationFilter, traceWriter));
}
// Do not add an IExceptionFilter tracer if we already added an ExceptoinFilterAttribute tracer
IExceptionFilter exceptionFilter = filter as IExceptionFilter;
if (exceptionFilter != null && !addedExceptionAttributeTracer)
{
filters.Add(new ExceptionFilterTracer(exceptionFilter, traceWriter));
}
IOverrideFilter overrideFilter = filter as IOverrideFilter;
if (overrideFilter != null)
{
filters.Add(new OverrideFilterTracer(overrideFilter, traceWriter));
}
if (filters.Count == 0)
{
filters.Add(new FilterTracer(filter, traceWriter));
}
return(filters);
}
/// <summary>
/// Initializes a new instance of the <see cref="AbstractActionFilter"/> class.
/// </summary>
protected AbstractActionFilter()
{
this.internalFilter = new InternalActionFilter(this);
}
internal static Func <ActionExecutedContext> InvokeActionMethodFilterAsynchronously(IActionFilter filter, ActionExecutingContext preContext, Func <Func <ActionExecutedContext> > nextInChain)
{
filter.OnActionExecuting(preContext);
if (preContext.Result != null)
{
ActionExecutedContext shortCircuitedPostContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, true /* canceled */, null /* exception */)
{
Result = preContext.Result
};
return(() => shortCircuitedPostContext);
}
// There is a nested try / catch block here that contains much the same logic as the outer block.
// Since an exception can occur on either side of the asynchronous invocation, we need guards on
// on both sides. In the code below, the second side is represented by the nested delegate. This
// is really just a parallel of the synchronous ControllerActionInvoker.InvokeActionMethodFilter()
// method.
try {
Func <ActionExecutedContext> continuation = nextInChain();
// add our own continuation, then return the new function
return(() => {
ActionExecutedContext postContext;
bool wasError = true;
try {
postContext = continuation();
wasError = false;
}
catch (ThreadAbortException) {
// This type of exception occurs as a result of Response.Redirect(), but we special-case so that
// the filters don't see this as an error.
postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, null /* exception */);
filter.OnActionExecuted(postContext);
throw;
}
catch (Exception ex) {
postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, ex);
filter.OnActionExecuted(postContext);
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
filter.OnActionExecuted(postContext);
}
return postContext;
});
}
catch (ThreadAbortException) {
// This type of exception occurs as a result of Response.Redirect(), but we special-case so that
// the filters don't see this as an error.
ActionExecutedContext postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, null /* exception */);
filter.OnActionExecuted(postContext);
throw;
}
catch (Exception ex) {
ActionExecutedContext postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, ex);
filter.OnActionExecuted(postContext);
if (postContext.ExceptionHandled)
{
return(() => postContext);
}
else
{
throw;
}
}
}
internal static ActionExecutedContext InvokeActionMethodFilter(
IActionFilter filter,
ActionExecutingContext preContext,
Func <ActionExecutedContext> continuation
)
{
filter.OnActionExecuting(preContext);
if (preContext.Result != null)
{
return(new ActionExecutedContext(
preContext,
preContext.ActionDescriptor,
true /* canceled */
,
null /* exception */
)
{
Result = preContext.Result
});
}
bool wasError = false;
ActionExecutedContext postContext = null;
try
{
postContext = continuation();
}
catch (ThreadAbortException)
{
// This type of exception occurs as a result of Response.Redirect(), but we special-case so that
// the filters don't see this as an error.
postContext = new ActionExecutedContext(
preContext,
preContext.ActionDescriptor,
false /* canceled */
,
null /* exception */
);
filter.OnActionExecuted(postContext);
throw;
}
catch (Exception ex)
{
wasError = true;
postContext = new ActionExecutedContext(
preContext,
preContext.ActionDescriptor,
false /* canceled */
,
ex
);
filter.OnActionExecuted(postContext);
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
filter.OnActionExecuted(postContext);
}
return(postContext);
}
/// <summary>
/// Enables query support for actions with an <see cref="IQueryable" /> or <see cref="IQueryable{T}" /> return
/// type. To avoid processing unexpected or malicious queries, use the validation settings on
/// <see cref="EnableQueryAttribute"/> to validate incoming queries. For more information, visit
/// http://go.microsoft.com/fwlink/?LinkId=279712.
/// </summary>
/// <param name="services">The services collection.</param>
/// <param name="queryFilter">The action filter that executes the query.</param>
public static IServiceCollection AddODataQueryFilter(this IServiceCollection services, IActionFilter queryFilter)
{
if (services == null)
{
throw Error.ArgumentNull("services");
}
services.TryAddEnumerable(ServiceDescriptor.Singleton <IFilterProvider>(new QueryFilterProvider(queryFilter)));
return(services);
}
static ActionExecutedContext InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func<ActionExecutedContext> continuation)
{
filter.OnActionExecuting(preContext);
if (preContext.Result != null)
{
return new ActionExecutedContext(preContext, true /* canceled */, null /* exception */)
{
Result = preContext.Result
};
}
bool wasError = false;
ActionExecutedContext postContext = null;
try
{
postContext = continuation();
}
catch (Exception ex)
{
wasError = true;
postContext = new ActionExecutedContext(preContext, false /* canceled */, ex);
filter.OnActionExecuted(postContext);
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
if (!(postContext.Result is AsyncResult))
{
filter.OnActionExecuted(postContext);
}
}
return postContext;
}
private static void BeforeOnActionExecutingImpl(DiagnosticListener diagnosticListener, ActionExecutingContext actionExecutingContext, IActionFilter filter)
{
if (diagnosticListener.IsEnabled(Diagnostics.BeforeActionFilterOnActionExecutingEventData.EventName))
{
diagnosticListener.Write(
Diagnostics.BeforeActionFilterOnActionExecutingEventData.EventName,
new BeforeActionFilterOnActionExecutingEventData(
actionExecutingContext.ActionDescriptor,
actionExecutingContext,
filter
));
}
}
public void AssertFilterIsNotReturned(IActionFilter actionFilter)
{
Assert.That(ReturnedFilters().Contains(actionFilter), Is.False, "Filter was not returned");
}
private static void AfterOnActionExecutedImpl(DiagnosticListener diagnosticListener, ActionExecutedContext actionExecutedContext, IActionFilter filter)
{
if (diagnosticListener.IsEnabled(Diagnostics.AfterActionFilterOnActionExecutedEventData.EventName))
{
diagnosticListener.Write(
Diagnostics.AfterActionFilterOnActionExecutedEventData.EventName,
new AfterActionFilterOnActionExecutedEventData(
actionExecutedContext.ActionDescriptor,
actionExecutedContext,
filter
));
}
}
public static void AfterOnActionExecuted(
this DiagnosticSource diagnosticSource,
ActionDescriptor actionDescriptor,
ActionExecutedContext actionExecutedContext,
IActionFilter filter)
{
if (diagnosticSource.IsEnabled("Microsoft.AspNetCore.Mvc.AfterOnActionExecuted"))
{
diagnosticSource.Write(
"Microsoft.AspNetCore.Mvc.AfterOnActionExecuted",
new
{
actionDescriptor = actionDescriptor,
actionExecutedContext = actionExecutedContext,
filter = filter
});
}
}
public LogFilter(IActionFilter preFilter, IActionFilter postFilter)
{
this.preFilter = preFilter;
this.postFilter = postFilter;
}
public GlimpseActionFilter(IActionFilter actionFilter)
{
ActionFilter = actionFilter;
}
internal static IAsyncResult BeginInvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, BeginInvokeCallback beginContinuation, AsyncCallback<ActionExecutedContext> endContinuation, AsyncCallback callback, object state) {
filter.OnActionExecuting(preContext);
if (preContext.Result != null) {
ActionExecutedContext shortCircuitContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, true /* canceled */, null /* exception */) {
Result = preContext.Result
};
return new ObjectAsyncResult<ActionExecutedContext>(shortCircuitContext).ToAsyncResultWrapper(callback, state);
}
try {
return AsyncResultWrapper.Wrap(callback, state, beginContinuation,
ar => BeginInvokeActionMethodFilterEndContinuation(filter, preContext, () => endContinuation(ar)));
}
catch (ThreadAbortException) {
// This type of exception occurs as a result of Response.Redirect(), but we special-case so that
// the filters don't see this as an error.
ActionExecutedContext postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, null /* exception */);
filter.OnActionExecuted(postContext);
throw;
}
catch (Exception ex) {
ActionExecutedContext postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, ex);
filter.OnActionExecuted(postContext);
if (!postContext.ExceptionHandled) {
throw;
}
return new ObjectAsyncResult<ActionExecutedContext>(postContext).ToAsyncResultWrapper(callback, state);
}
}
public void InvokeActionMethodWithFilters_ShortCircuited() {
// Arrange
List<string> actionLog = new List<string>();
ControllerContext controllerContext = new ControllerContext();
Dictionary<string, object> parameters = new Dictionary<string, object>();
ActionResult actionResult = new ViewResult();
ActionFilterImpl filter1 = new ActionFilterImpl() {
OnActionExecutingImpl = delegate(ActionExecutingContext filterContext) {
actionLog.Add("OnActionExecuting1");
},
OnActionExecutedImpl = delegate(ActionExecutedContext filterContext) {
actionLog.Add("OnActionExecuted1");
}
};
ActionFilterImpl filter2 = new ActionFilterImpl() {
OnActionExecutingImpl = delegate(ActionExecutingContext filterContext) {
actionLog.Add("OnActionExecuting2");
filterContext.Result = actionResult;
},
OnActionExecutedImpl = delegate(ActionExecutedContext filterContext) {
actionLog.Add("OnActionExecuted2");
}
};
Mock<AsyncActionDescriptor> mockActionDescriptor = new Mock<AsyncActionDescriptor>();
mockActionDescriptor.Expect(d => d.BeginExecute(controllerContext, parameters, It.IsAny<AsyncCallback>(), It.IsAny<object>())).Throws(new Exception("I shouldn't have been called."));
mockActionDescriptor.Expect(d => d.EndExecute(It.IsAny<IAsyncResult>())).Throws(new Exception("I shouldn't have been called."));
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
IActionFilter[] filters = new IActionFilter[] { filter1, filter2 };
// Act
IAsyncResult outerAsyncResult = invoker.BeginInvokeActionMethodWithFilters(controllerContext, filters, mockActionDescriptor.Object, parameters, null, null);
ActionExecutedContext postContext = invoker.EndInvokeActionMethodWithFilters(outerAsyncResult);
// Assert
CollectionAssert.AreEqual(
new string[] { "OnActionExecuting1", "OnActionExecuting2", "OnActionExecuted1" },
actionLog);
Assert.AreEqual(actionResult, postContext.Result);
}
private ActionResult BeingInvokeActionMethodWithFiltersTester(Func<IAsyncResult> beginFunction, Func<ActionResult> endFunction, bool checkBegin, bool checkEnd, IActionFilter[] filters)
{
AsyncControllerActionInvoker invoker = new AsyncControllerActionInvoker();
ControllerContext controllerContext = new ControllerContext();
Dictionary<string, object> parameters = new Dictionary<string, object>();
Mock<AsyncActionDescriptor> mockActionDescriptor = new Mock<AsyncActionDescriptor>();
bool endExecuteCalled = false;
bool beginExecuteCalled = false;
Func<ActionResult> endExecute = () =>
{
endExecuteCalled = true;
return endFunction();
};
Func<IAsyncResult> beingExecute = () =>
{
beginExecuteCalled = true;
return beginFunction();
};
mockActionDescriptor.Setup(d => d.BeginExecute(controllerContext, parameters, It.IsAny<AsyncCallback>(), It.IsAny<object>())).Returns(beingExecute);
mockActionDescriptor.Setup(d => d.EndExecute(It.IsAny<IAsyncResult>())).Returns(endExecute);
IAsyncResult outerAsyncResult = null;
try
{
outerAsyncResult = invoker.BeginInvokeActionMethodWithFilters(controllerContext, filters, mockActionDescriptor.Object, parameters, null, null);
}
catch (Exception ex)
{
if (checkEnd)
{
// Testing end, so not expecting exception thrown from begin
Assert.NotNull(ex);
}
else
{
throw ex;
}
}
Assert.NotNull(outerAsyncResult);
Assert.Equal(checkBegin, beginExecuteCalled);
Assert.False(endExecuteCalled);
ActionExecutedContext postContext = invoker.EndInvokeActionMethodWithFilters(outerAsyncResult);
Assert.NotNull(postContext);
if (checkEnd)
{
Assert.True(endExecuteCalled);
}
return postContext.Result;
}
/// <summary>
/// Initializes a new instance of the <see cref="QueryFilterProvider" /> class.
/// </summary>
/// <param name="queryFilter">The action filter that executes the query.</param>
public QueryFilterProvider(IActionFilter queryFilter) :
this(queryFilter, skipQueryableAttribute: false)
{
}
public ModelValidationFilterTests()
{
_filter = new ModelValidationFilter();
}
public HeaderFilter(IActionFilter preFilter, IActionFilter postFilter)
{
this.preFilter = preFilter;
this.postFilter = postFilter;
}
internal Func <ActionExecutedContext> InvokeActionMethodFilterAsynchronouslyRecursive(int filterIndex)
{
// Performance-sensitive
// For compatability, the following behavior must be maintained
// The OnActionExecuting events must fire in forward order
// The Begin and End events must fire
// The OnActionExecuted events must fire in reverse order
// Earlier filters can process the results and exceptions from the handling of later filters
// This is achieved by calling recursively and moving through the filter list forwards
// If there are no more filters to recurse over, create the main result
if (filterIndex > _filterCount - 1)
{
InnerAsyncResult = _invoker.BeginInvokeActionMethod(_controllerContext, _actionDescriptor, _parameters, _asyncCallback, _asyncState);
return(() =>
new ActionExecutedContext(_controllerContext, _actionDescriptor, canceled: false, exception: null)
{
Result = _invoker.EndInvokeActionMethod(InnerAsyncResult)
});
}
// Otherwise process the filters recursively
IActionFilter filter = _filters[filterIndex];
ActionExecutingContext preContext = _preContext;
filter.OnActionExecuting(preContext);
if (preContext.Result != null)
{
ActionExecutedContext shortCircuitedPostContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, canceled: true, exception: null)
{
Result = preContext.Result
};
return(() => shortCircuitedPostContext);
}
// There is a nested try / catch block here that contains much the same logic as the outer block.
// Since an exception can occur on either side of the asynchronous invocation, we need guards on
// on both sides. In the code below, the second side is represented by the nested delegate. This
// is really just a parallel of the synchronous ControllerActionInvoker.InvokeActionMethodFilter()
// method.
try
{
// Use the filters in forward direction
int nextFilterIndex = filterIndex + 1;
Func <ActionExecutedContext> continuation = InvokeActionMethodFilterAsynchronouslyRecursive(nextFilterIndex);
// add our own continuation, then return the new function
return(() =>
{
ActionExecutedContext postContext;
bool wasError = true;
try
{
postContext = continuation();
wasError = false;
}
catch (ThreadAbortException)
{
// This type of exception occurs as a result of Response.Redirect(), but we special-case so that
// the filters don't see this as an error.
postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, canceled: false, exception: null);
filter.OnActionExecuted(postContext);
throw;
}
catch (Exception ex)
{
postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, canceled: false, exception: ex);
filter.OnActionExecuted(postContext);
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
filter.OnActionExecuted(postContext);
}
return postContext;
});
}
catch (ThreadAbortException)
{
// This type of exception occurs as a result of Response.Redirect(), but we special-case so that
// the filters don't see this as an error.
ActionExecutedContext postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, canceled: false, exception: null);
filter.OnActionExecuted(postContext);
throw;
}
catch (Exception ex)
{
ActionExecutedContext postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, canceled: false, exception: ex);
filter.OnActionExecuted(postContext);
if (postContext.ExceptionHandled)
{
return(() => postContext);
}
else
{
throw;
}
}
}
internal static ActionExecutedContext InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func<ActionExecutedContext> continuation)
{
filter.OnActionExecuting(preContext);
if (preContext.Result != null)
{
return new ActionExecutedContext(preContext, preContext.ActionDescriptor, true /* canceled */, null /* exception */)
{
Result = preContext.Result
};
}
bool wasError = false;
ActionExecutedContext postContext = null;
try
{
postContext = continuation();
}
catch (ThreadAbortException)
{
// This type of exception occurs as a result of Response.Redirect(), but we special-case so that
// the filters don't see this as an error.
postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, null /* exception */);
filter.OnActionExecuted(postContext);
throw;
}
catch (Exception ex)
{
wasError = true;
postContext = new ActionExecutedContext(preContext, preContext.ActionDescriptor, false /* canceled */, ex);
filter.OnActionExecuted(postContext);
if (!postContext.ExceptionHandled)
{
throw;
}
}
if (!wasError)
{
filter.OnActionExecuted(postContext);
}
return postContext;
}
public static void BeforeOnActionExecuting(
this DiagnosticSource diagnosticSource,
ActionExecutingContext actionExecutingContext,
IActionFilter filter)
{
Debug.Assert(diagnosticSource != null);
Debug.Assert(actionExecutingContext != null);
Debug.Assert(filter != null);
if (diagnosticSource.IsEnabled("Microsoft.AspNetCore.Mvc.BeforeOnActionExecuting"))
{
diagnosticSource.Write(
"Microsoft.AspNetCore.Mvc.BeforeOnActionExecuting",
new
{
actionDescriptor = actionExecutingContext.ActionDescriptor,
actionExecutingContext = actionExecutingContext,
filter = filter
});
}
}
public static void EnableQuerySupport(this HttpConfiguration configuration, IActionFilter queryFilter)
{
Extensions.HttpConfigurationExtensions.AddODataQueryFilter(configuration, queryFilter);
}
public ActionFilterTracer(IActionFilter innerFilter, ITraceWriter traceWriter)
: base(innerFilter, traceWriter)
{
}
public ActionFilterOverride(IActionFilter wrappedFilter)
{
_wrappedFilter = wrappedFilter;
}
protected static Func<ActionExecutedContext> InvokeActionFilterAsynchronously(IActionFilter filter,
ActionExecutionContext preContext, Func<Func<ActionExecutedContext>> next)
{
filter.OnExecuting(preContext);
if (preContext.Result != null)
{
ActionExecutedContext shortCircuitedPostContext = new ActionExecutedContext(preContext, null) {
Result = preContext.Result
};
return () => shortCircuitedPostContext;
}
try
{
Func<ActionExecutedContext> continuation = next();
return () => {
ActionExecutedContext postContext;
bool wasError = true;
try
{
postContext = continuation();
wasError = false;
}
catch (ThreadAbortException)
{
postContext = new ActionExecutedContext(preContext, null);
filter.OnExecuted(postContext);
throw;
}
catch (Exception ex)
{
postContext = new ActionExecutedContext(preContext, ex);
filter.OnExecuted(postContext);
if (!postContext.ExceptionHandled)
throw;
}
if (!wasError)
filter.OnExecuted(postContext);
return postContext;
};
}
catch (ThreadAbortException)
{
ActionExecutedContext postContext =
new ActionExecutedContext(preContext, null);
filter.OnExecuted(postContext);
throw;
}
catch (Exception ex)
{
ActionExecutedContext postContext = new ActionExecutedContext(preContext, ex);
filter.OnExecuted(postContext);
if (postContext.ExceptionHandled)
return () => postContext;
throw;
}
}
