/// <summary>
/// Callback invoked to set per-controller overrides for this controllerDescriptor.
/// </summary>
/// <param name="controllerSettings">The controller settings to initialize.</param>
/// <param name="controllerDescriptor">The controller descriptor. Note that the <see
/// cref="T:System.Web.Http.Controllers.HttpControllerDescriptor" /> can be associated with the derived
/// controller type given that <see cref="T:System.Web.Http.Controllers.IControllerConfiguration" /> is
/// inherited.</param>
public void Initialize(HttpControllerSettings controllerSettings, HttpControllerDescriptor controllerDescriptor)
{
if (controllerSettings == null)
{
throw new ArgumentNullException("controllerSettings");
}
if (controllerDescriptor == null)
{
throw new ArgumentNullException("controllerDescriptor");
}
ServicesContainer services = controllerSettings.Services;
Contract.Assert(services != null);
IContainerMetadata containerMetadata = controllerDescriptor.GetContainerMetadata();
// Replace the action selector with one that is based on the OData routing conventions
IHttpActionSelector originalActionSelector = services.GetActionSelector();
IHttpActionSelector actionSelector;
if (containerMetadata != null)
{
// ContainerMetadata was stored with the HttpControllerDescriptor - so use our "special" ActionSelector
actionSelector = new EntityRepositoryActionSelector(containerMetadata, originalActionSelector);
}
else
{
// No ContainerMetadata stored with the HttpControllerDescriptor - so use the standard odata ActionSelector
actionSelector = new ODataActionSelector(originalActionSelector);
}
controllerSettings.Services.Replace(typeof(IHttpActionSelector), actionSelector);
}
private void ExploreRouteActions(IHttpRoute route, string localPath, HttpControllerDescriptor controllerDescriptor, Collection <ApiDescription> apiDescriptions)
{
ServicesContainer controllerServices = controllerDescriptor.Configuration.Services;
ILookup <string, HttpActionDescriptor> actionMappings = controllerServices.GetActionSelector().GetActionMapping(controllerDescriptor);
string actionVariableValue;
if (actionMappings != null)
{
if (_actionVariableRegex.IsMatch(localPath))
{
// unbound action variable, {action}
foreach (IGrouping <string, HttpActionDescriptor> actionMapping in actionMappings)
{
// expand {action} variable
actionVariableValue = actionMapping.Key;
string expandedLocalPath = _actionVariableRegex.Replace(localPath, actionVariableValue);
PopulateActionDescriptions(actionMapping, actionVariableValue, route, expandedLocalPath, apiDescriptions);
}
}
else if (route.Defaults.TryGetValue(ActionVariableName, out actionVariableValue))
{
// bound action variable, { action = "actionName" }
PopulateActionDescriptions(actionMappings[actionVariableValue], actionVariableValue, route, localPath, apiDescriptions);
}
else
{
// no {action} specified, e.g. {controller}/{id}
foreach (IGrouping <string, HttpActionDescriptor> actionMapping in actionMappings)
{
PopulateActionDescriptions(actionMapping, null, route, localPath, apiDescriptions);
}
}
}
}
public virtual Task <HttpResponseMessage> ExecuteAsync(HttpControllerContext controllerContext, CancellationToken cancellationToken)
{
if (_initialized)
{
// if user has registered a controller factory which produces the same controller instance, we should throw here
throw Error.InvalidOperation(SRResources.CannotSupportSingletonInstance, typeof(ApiController).Name, typeof(IHttpControllerActivator).Name);
}
Initialize(controllerContext);
// We can't be reused, and we know we're disposable, so make sure we go away when
// the request has been completed.
if (Request != null)
{
Request.RegisterForDispose(this);
}
HttpControllerDescriptor controllerDescriptor = controllerContext.ControllerDescriptor;
ServicesContainer controllerServices = controllerDescriptor.Configuration.Services;
HttpActionDescriptor actionDescriptor = controllerServices.GetActionSelector().SelectAction(controllerContext);
ActionContext.ActionDescriptor = actionDescriptor;
if (Request != null)
{
Request.SetActionDescriptor(actionDescriptor);
}
FilterGrouping filterGrouping = actionDescriptor.GetFilterGrouping();
IActionFilter[] actionFilters = filterGrouping.ActionFilters;
IAuthenticationFilter[] authenticationFilters = filterGrouping.AuthenticationFilters;
IAuthorizationFilter[] authorizationFilters = filterGrouping.AuthorizationFilters;
IExceptionFilter[] exceptionFilters = filterGrouping.ExceptionFilters;
IHttpActionResult result = new ActionFilterResult(actionDescriptor.ActionBinding, ActionContext,
controllerServices, actionFilters);
if (authorizationFilters.Length > 0)
{
result = new AuthorizationFilterResult(ActionContext, authorizationFilters, result);
}
if (authenticationFilters.Length > 0)
{
result = new AuthenticationFilterResult(ActionContext, this, authenticationFilters, result);
}
if (exceptionFilters.Length > 0)
{
IExceptionLogger exceptionLogger = ExceptionServices.GetLogger(controllerServices);
IExceptionHandler exceptionHandler = ExceptionServices.GetHandler(controllerServices);
result = new ExceptionFilterResult(ActionContext, exceptionFilters, exceptionLogger, exceptionHandler,
result);
}
return(result.ExecuteAsync(cancellationToken));
}
public virtual Task <HttpResponseMessage> ExecuteAsync(HttpControllerContext controllerContext, CancellationToken cancellationToken)
{
if (_request != null)
{
// if user has registered a controller factory which produces the same controller instance, we should throw here
throw Error.InvalidOperation(SRResources.CannotSupportSingletonInstance, typeof(ApiController).Name, typeof(IHttpControllerActivator).Name);
}
Initialize(controllerContext);
// We can't be reused, and we know we're disposable, so make sure we go away when
// the request has been completed.
if (_request != null)
{
_request.RegisterForDispose(this);
}
HttpControllerDescriptor controllerDescriptor = controllerContext.ControllerDescriptor;
ServicesContainer controllerServices = controllerDescriptor.Configuration.Services;
HttpActionDescriptor actionDescriptor = controllerServices.GetActionSelector().SelectAction(controllerContext);
HttpActionContext actionContext = new HttpActionContext(controllerContext, actionDescriptor);
IEnumerable <FilterInfo> filters = actionDescriptor.GetFilterPipeline();
FilterGrouping filterGrouping = new FilterGrouping(filters);
IEnumerable <IActionFilter> actionFilters = filterGrouping.ActionFilters;
IEnumerable <IAuthorizationFilter> authorizationFilters = filterGrouping.AuthorizationFilters;
IEnumerable <IExceptionFilter> exceptionFilters = filterGrouping.ExceptionFilters;
// Func<Task<HttpResponseMessage>>
Task <HttpResponseMessage> result = InvokeActionWithAuthorizationFilters(actionContext, cancellationToken, authorizationFilters, () =>
{
HttpActionBinding actionBinding = actionDescriptor.ActionBinding;
Task bindTask = actionBinding.ExecuteBindingAsync(actionContext, cancellationToken);
return(bindTask.Then <HttpResponseMessage>(() =>
{
_modelState = actionContext.ModelState;
Func <Task <HttpResponseMessage> > invokeFunc = InvokeActionWithActionFilters(actionContext, cancellationToken, actionFilters, () =>
{
return controllerServices.GetActionInvoker().InvokeActionAsync(actionContext, cancellationToken);
});
return invokeFunc();
}));
})();
result = InvokeActionWithExceptionFilters(result, actionContext, cancellationToken, exceptionFilters);
return(result);
}
/// <summary>
/// Callback invoked to set per-controller overrides for this controllerDescriptor.
/// </summary>
/// <param name="controllerSettings">The controller settings to initialize.</param>
/// <param name="controllerDescriptor">The controller descriptor. Note that the <see
/// cref="T:System.Web.Http.Controllers.HttpControllerDescriptor" /> can be associated with the derived
/// controller type given that <see cref="T:System.Web.Http.Controllers.IControllerConfiguration" /> is
/// inherited.</param>
public void Initialize(HttpControllerSettings controllerSettings, HttpControllerDescriptor controllerDescriptor)
{
if (controllerSettings == null)
{
throw Error.ArgumentNull("controllerSettings");
}
if (controllerDescriptor == null)
{
throw Error.ArgumentNull("controllerDescriptor");
}
ServicesContainer services = controllerSettings.Services;
Contract.Assert(services != null);
// Replace the action selector with one that is based on the OData routing conventions
IHttpActionSelector originalActionSelector = services.GetActionSelector();
IHttpActionSelector actionSelector = new ODataActionSelector(originalActionSelector);
controllerSettings.Services.Replace(typeof(IHttpActionSelector), actionSelector);
}
private void ExploreRouteActions(IHttpRoute route, string localPath, HttpControllerDescriptor controllerDescriptor, Collection <ApiDescription> apiDescriptions)
{
// exclude controllers that are marked with route attributes.
if (!controllerDescriptor.GetCustomAttributes <IHttpRouteInfoProvider>(inherit: false).Any())
{
ServicesContainer controllerServices = controllerDescriptor.Configuration.Services;
ILookup <string, HttpActionDescriptor> actionMappings = controllerServices.GetActionSelector().GetActionMapping(controllerDescriptor);
string actionVariableValue;
if (actionMappings != null)
{
if (_actionVariableRegex.IsMatch(localPath))
{
// unbound action variable, {action}
foreach (IGrouping <string, HttpActionDescriptor> actionMapping in actionMappings)
{
// expand {action} variable
actionVariableValue = actionMapping.Key;
string expandedLocalPath = _actionVariableRegex.Replace(localPath, actionVariableValue);
PopulateActionDescriptions(actionMapping, actionVariableValue, route, expandedLocalPath, apiDescriptions, controllerDescriptor);
}
}
else if (route.Defaults.TryGetValue(RouteKeys.ActionKey, out actionVariableValue))
{
// bound action variable, { action = "actionName" }
PopulateActionDescriptions(actionMappings[actionVariableValue], actionVariableValue, route, localPath, apiDescriptions, controllerDescriptor);
}
else
{
// no {action} specified, e.g. {controller}/{id}
foreach (IGrouping <string, HttpActionDescriptor> actionMapping in actionMappings)
{
PopulateActionDescriptions(actionMapping, null, route, localPath, apiDescriptions, controllerDescriptor);
}
}
}
}
}
