通过选择性StructureMap注入的IPrincipal与SignalR [英] Selective IPrincipal Injection via StructureMap with SignalR

问题描述

StructureMap被配置成喷射 HttpContext.Current.User 当的IPrincipal 请求任何ASP.NET MVC Web请求，就像这样：

StructureMap is configured to inject HttpContext.Current.User when an IPrincipal is requested for any ASP.NET MVC web request, like so:

For<IPrincipal>().Use(x => HttpContext.Current.User);

但是，当我SignalR中心要求依赖于一个的IPrincipal ，注射服务失败，因为 HttpContext.Current 为空。相反，SignalR已具有通过公开电流的IPrincipal Context.User <α HubCallerContext 属性/ code>。

But when my SignalR hub asks for a service that depends on an IPrincipal, injection fails because HttpContext.Current is null. Instead, SignalR already has a HubCallerContext property that exposes the current IPrincipal via Context.User.

我如何配置StructureMap总是注入一个有效的的IPrincipal 进入我的SignalR枢纽依靠服务？

How do I configure StructureMap to always inject a valid IPrincipal into the services my SignalR hub relies on?

推荐答案

只要做到这一点：

For<IPrincipal>().Use(x => Thread.CurrentPrincipal);

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