[Mono-dev] ASP.MVC Accesing HttpContext.Current from AsyncController action..

[Marek Habersack]

On Sun, 3 Oct 2010 02:03:32 +0200
Pablo Ruiz <pablo.ruiz at gmail.com> wrote:

Hey,

	Please file a bug report with an attached self-contained, small and fully working sample
demonstrating the issue (http://mono-project.com/Bugs, the Sys.Web component), thanks.

marek
> I have an ASP MVC2 application (running under mono 2.8 p1) which has an
> async action (ValidateAsync) which handles user verification by consulting
> an external subsystem (hence the async nature of the operation), after a
> valid response it's received by the async completed method
> (ValidateCompleted), the user it's authenticated by using
> FormsAuthentication..
> 
> The code it's working ok on MS side, however, on mono looks like
> HttpContext.Current it's not (re-)set before calling async action response
> method..
> 
> Has anyone tried MVC2 Async action methods on mono?
> 
> Here it's a stacktrace of the failure:
> 
> System.Web.HttpException: Context is null!
> 
> 
> at System.Web.Security.FormsAuthentication.SetAuthCookie
> (string,bool,string) [0x00042] in
> /usr/src/redhat/BUILD/mono-2.8/mcs/class/System.Web/System.Web.Security/FormsAuthentication.cs:654
> at System.Web.Security.FormsAuthentication.SetAuthCookie (string,bool)
> [0x00005]
> in /usr/src/redhat/BUILD/mono-2.8/mcs/class/System.Web/System.Web.Security/FormsAuthentication.cs:640
> at Herma.WebSite.FormsAuthenticationService.SignIn (string,bool) [0x0001b]
> in /srv/hudson/workspace/Herma-v1.x/BUILD/Herma/WebSite/Services/FormsAuthenticationService.cs:25
> at Herma.WebSite.Controllers.AccountController.ValidateCompleted
> (Herma.WebSite.Models.AccountValidationModel,Herma.Messaging.AccountValidationRes) [0x0002d]
> in /srv/hudson/workspace/xxx-v1.x/BUILD/xxx/WebSite/Controllers/AccountController.cs:185 at
> (wrapper dynamic-method) System.Runtime.CompilerServices.ExecutionScope.lambda_method
> (System.Runtime.CompilerServices.ExecutionScope,System.Web.Mvc.ControllerBase,object[])
> <IL 0x00035, 0x00088>
> at System.Web.Mvc.ActionMethodDispatcher.Execute
> (System.Web.Mvc.ControllerBase,object[]) <IL 0x00008, 0x00018>
> at System.Web.Mvc.Async.ReflectedAsyncActionDescriptor/<BeginExecute>c__AnonStorey2E.<>m__34
> (System.IAsyncResult) <IL 0x00047, 0x000bf>
> at System.Web.Mvc.Async.AsyncResultWrapper/WrappedAsyncResult`1<object>.End
> () <0x0004e>
> at System.Web.Mvc.Async.AsyncResultWrapper.End<object>
> (System.IAsyncResult,object) <0x00035>
> at System.Web.Mvc.Async.ReflectedAsyncActionDescriptor.EndExecute
> (System.IAsyncResult) <IL 0x00000, 0x0001c>
> at
> System.Web.Mvc.Async.AsyncControllerActionInvoker/<BeginInvokeAsynchronousActionMethod>c__AnonStorey21.<>m__1C
> (System.IAsyncResult) <IL 0x00007, 0x00018> at
> System.Web.Mvc.Async.AsyncResultWrapper/WrappedAsyncResult`1<System.Web.Mvc.ActionResult>.End ()
> <0x0004e> at System.Web.Mvc.Async.AsyncResultWrapper.End<System.Web.Mvc.ActionResult>
> (System.IAsyncResult,object) <0x00035>
> at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod
> (System.IAsyncResult) <IL 0x00000, 0x0001a>
> at
> System.Web.Mvc.Async.AsyncControllerActionInvoker/<BeginInvokeActionMethodWithFilters>c__AnonStorey1E/<BeginInvokeActionMethodWithFilters>c__AnonStorey1F.<>m__27
> () <IL 0x00030, 0x00062> at
> System.Web.Mvc.Async.AsyncControllerActionInvoker/<InvokeActionMethodFilterAsynchronously>c__AnonStorey25.<>m__20
> () <IL 0x00008, 0x00028>
> 
> 
> And here it's a sample snippet of the code failing:
> 
> [HttpPost]
> public void ValidateAsync(AccountValidationModel model)
>  {
> AsyncManager.Parameters["model"] = model;
> 
> if (!ModelState.IsValid)
>  {
> AsyncManager.Parameters["result"] = false;
> return;
>  }
> 
> try
> {
>  AsyncManager.OutstandingOperations.Increment();
> AsyncManager.Timeout = 15000;
> 
> _bus.Send<AccountValidationReq>(x =>
> {
> x.Email = model.Email;
>  x.Random = model.Code;
> })
> .Register<AccountValidationRes>(x =>
>  {
> AsyncManager.Parameters["result"] = x;
> AsyncManager.OutstandingOperations.Decrement();
>  });
> }
> catch (TimeoutException ex)
>  {
> AsyncManager.Parameters["result"] = AccountValidationRes.Timeout;
>  AsyncManager.OutstandingOperations.Decrement();
> _Log.Error("Account validation request timedout", ex);
>  }
> }
> 
> public ActionResult ValidateCompleted(AccountValidationModel model,
> AccountValidationRes result)
>  {
> if (result == AccountValidationRes.Success)
> {
> 
>          ....
> 
> FormsService.SignIn(model.Email, false /* createPersistentCookie */);
> return this.RedirectToAction<HomeController>(x => x.Index());
>  }
> 
> ....
> 
> return View(model);
> }
> 
> 
> Greets.