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.NET跨平台之OWEN中 过滤器的使用
.NET中依赖IIS，通俗的说就是依赖IIS的程序集，导致我们的.NET项目就算是MONO到TOMCAT上，也无法使用，所以OWEN横空出世，OWEN定义了一套接口，接口定义了做.NET项目要实现的一些接口，OWEN本身通过这些接口获取到我们项目中的Request/Response，拿着这些去和Server(IIS\APCHE\TOMCAT...)通信.
回到正题，我们知道在MVC中，可以有
public override void OnActionExecuted(ActionExecutedContext filterContext)
public override void OnAuthorization(AuthorizationContext filterContext)
...
OWEN中就是
namespace Owin{ /// <summary> /// An ordered list of known Asp.Net integrated pipeline stages. More details on the ASP.NET integrated pipeline can be found at http://msdn.microsoft.com/en-us/library/system.web.httpapplication.aspx /// </summary> public enum PipelineStage { /// <summary> /// Corresponds to the AuthenticateRequest stage of the ASP.NET integrated pipeline. /// </summary> Authenticate, /// <summary> /// Corresponds to the PostAuthenticateRequest stage of the ASP.NET integrated pipeline. /// </summary> PostAuthenticate, /// <summary> /// Corresponds to the AuthorizeRequest stage of the ASP.NET integrated pipeline. /// </summary> Authorize, /// <summary> /// Corresponds to the PostAuthorizeRequest stage of the ASP.NET integrated pipeline. /// </summary> PostAuthorize, /// <summary> /// Corresponds to the ResolveRequestCache stage of the ASP.NET integrated pipeline. /// </summary> ResolveCache, /// <summary> /// Corresponds to the PostResolveRequestCache stage of the ASP.NET integrated pipeline. /// </summary> PostResolveCache, /// <summary> /// Corresponds to the MapRequestHandler stage of the ASP.NET integrated pipeline. /// </summary> MapHandler, /// <summary> /// Corresponds to the PostMapRequestHandler stage of the ASP.NET integrated pipeline. /// </summary> PostMapHandler, /// <summary> /// Corresponds to the AcquireRequestState stage of the ASP.NET integrated pipeline. /// </summary> AcquireState, /// <summary> /// Corresponds to the PostAcquireRequestState stage of the ASP.NET integrated pipeline. /// </summary> PostAcquireState, /// <summary> /// Corresponds to the PreRequestHandlerExecute stage of the ASP.NET integrated pipeline. /// </summary> PreHandlerExecute, }}
差不多够用了。
代码会这么写：
首先要确定拦截到这个过滤器之后，要干啥
app.Use(typeof(OAuthBearerAuthenticationMiddleware), app, options);
OAuthBearerAuthenticationMiddleware是时间了OWEN接口的自定义中间件，授权用
然后定义中间件在哪个过滤器注入
object obj;if (app.Properties.TryGetValue("integratedpipeline.StageMarker", out obj)){var addMarker = (Action<IAppBuilder, string>)obj;addMarker(app, PipelineStage.Authenticate.ToString());}
.NET跨平台之OWEN中 过滤器的使用
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