internal static Attempt <TreeNodeCollection> TryLoadFromControllerTree(this ApplicationTree appTree, string id, FormDataCollection formCollection, HttpControllerContext controllerContext) { var foundControllerTreeAttempt = appTree.TryGetControllerTree(); if (foundControllerTreeAttempt.Success == false) { return(Attempt <TreeNodeCollection> .Fail(foundControllerTreeAttempt.Exception)); } var foundControllerTree = foundControllerTreeAttempt.Result; //instantiate it, since we are proxying, we need to setup the instance with our current context var instance = (TreeController)DependencyResolver.Current.GetService(foundControllerTree); instance.ControllerContext = controllerContext; instance.Request = controllerContext.Request; //return it's data return(Attempt.Succeed(instance.GetNodes(id, formCollection))); }
/// <summary> /// This will go and get the root node from a controller tree by executing the tree's GetRootNode method /// </summary> /// <param name="appTree"></param> /// <param name="formCollection"></param> /// <param name="controllerContext"></param> /// <returns></returns> /// <remarks> /// This ensures that authorization filters are applied to the sub request /// </remarks> internal static async Task <Attempt <TreeNode> > TryGetRootNodeFromControllerTree(this ApplicationTree appTree, FormDataCollection formCollection, HttpControllerContext controllerContext) { var foundControllerTreeAttempt = appTree.TryGetControllerTree(); if (foundControllerTreeAttempt.Success == false) { return(Attempt <TreeNode> .Fail(foundControllerTreeAttempt.Exception)); } var foundControllerTree = foundControllerTreeAttempt.Result; //instantiate it, since we are proxying, we need to setup the instance with our current context var instance = (TreeController)DependencyResolver.Current.GetService(foundControllerTree); //NOTE: This is all required in order to execute the auth-filters for the sub request, we // need to "trick" web-api into thinking that it is actually executing the proxied controller. var urlHelper = controllerContext.Request.GetUrlHelper(); //create the proxied URL for the controller action var proxiedUrl = controllerContext.Request.RequestUri.GetLeftPart(UriPartial.Authority) + urlHelper.GetUmbracoApiService("GetRootNode", instance.GetType()); //add the query strings to it proxiedUrl += "?" + formCollection.ToQueryString(); //create proxy route data specifying the action / controller to execute var proxiedRouteData = new HttpRouteData( controllerContext.RouteData.Route, new HttpRouteValueDictionary(new { action = "GetRootNode", controller = ControllerExtensions.GetControllerName(instance.GetType()) })); //create a proxied controller context var proxiedControllerContext = new HttpControllerContext( controllerContext.Configuration, proxiedRouteData, new HttpRequestMessage(HttpMethod.Get, proxiedUrl)) { ControllerDescriptor = new HttpControllerDescriptor(controllerContext.ControllerDescriptor.Configuration, ControllerExtensions.GetControllerName(instance.GetType()), instance.GetType()) }; if (WebApiVersionCheck.WebApiVersion >= Version.Parse("5.0.0")) { //In WebApi2, this is required to be set: // proxiedControllerContext.RequestContext = controllerContext.RequestContext // but we need to do this with reflection because of codebase changes between version 4/5 //NOTE: Use TypeHelper here since the reflection is cached var controllerContextRequestContext = TypeHelper.GetProperty(controllerContext.GetType(), "RequestContext").GetValue(controllerContext); TypeHelper.GetProperty(proxiedControllerContext.GetType(), "RequestContext").SetValue(proxiedControllerContext, controllerContextRequestContext); } instance.ControllerContext = proxiedControllerContext; instance.Request = controllerContext.Request; if (WebApiVersionCheck.WebApiVersion >= Version.Parse("5.0.0")) { //now we can change the request context's route data to be the proxied route data - NOTE: we cannot do this directly above // because it will detect that the request context is different throw an exception. This is a change in webapi2 and we need to set // this with reflection due to codebase changes between version 4/5 // instance.RequestContext.RouteData = proxiedRouteData; //NOTE: Use TypeHelper here since the reflection is cached var instanceRequestContext = TypeHelper.GetProperty(typeof(ApiController), "RequestContext").GetValue(instance); TypeHelper.GetProperty(instanceRequestContext.GetType(), "RouteData").SetValue(instanceRequestContext, proxiedRouteData); } //invoke auth filters for this sub request var result = await instance.ControllerContext.InvokeAuthorizationFiltersForRequest(); //if a result is returned it means they are unauthorized, just throw the response. if (result != null) { throw new HttpResponseException(result); } //return the root var node = instance.GetRootNode(formCollection); return(node == null ? Attempt <TreeNode> .Fail(new InvalidOperationException("Could not return a root node for tree " + appTree.Type)) : Attempt <TreeNode> .Succeed(node)); }