我试图使用Thinktecture.IdentityModel中的ResourceAuthorize
属性,但由于没有owin上下文,所有内容都会停止。缺少owin上下文
我有设置授权管理器
[assembly: OwinStartup(typeof(My.WebApi.Startup))]
namespace My.WebApi
{
public class Startup
{
public void Configuration(IAppBuilder app)
{
AuthConfig.Configure(app);
}
}
}
public class AuthConfig
{
public static void Configure(IAppBuilder app)
{
app.UseResourceAuthorization(new ResourceAuthorizationMiddlewareOptions
{
Manager = GlobalConfiguration.Configuration.DependencyResolver.GetService(typeof(IResourceAuthorizationManager)) as IResourceAuthorizationManager
});
}
}
一个owin启动类,我知道它是检测和调用。但后来,从IdentityModel
打下面的代码时,我得到一个空指针异常:
public static Task<bool> CheckAccessAsync(this HttpRequestMessage request, IEnumerable<Claim> actions, IEnumerable<Claim> resources)
{
var authorizationContext = new ResourceAuthorizationContext(
request.GetOwinContext().Authentication.User ?? Principal.Anonymous,
actions,
resources);
return request.CheckAccessAsync(authorizationContext);
}
我已经通过加强并看到它是由GetOwinContext(引起的)返回null,因为没有MS_OwinContext
或MS_OwinEnvironment
财产的请求。
我错过了什么?
UPDATE:
我发现我有一个owin.environment
属性可用,但它的`HttpContextWrapper,而不是请求的一部分。
通过围绕搜索,我发现System.Web.Http.WebHost.HttpControllerHandler
看起来像它应该转换的owin.environment
到MS_OwinEnvironment
,但显然,该代码永远不会在我的情况下,所谓的内部一些代码...
internal static readonly string OwinEnvironmentHttpContextKey = "owin.Environment";
internal static readonly string OwinEnvironmentKey = "MS_OwinEnvironment";
internal static HttpRequestMessage ConvertRequest(HttpContextBase httpContextBase, IHostBufferPolicySelector policySelector)
{
HttpRequestBase requestBase = httpContextBase.Request;
HttpRequestMessage httpRequestMessage = new HttpRequestMessage(HttpMethodHelper.GetHttpMethod(requestBase.HttpMethod), requestBase.Url);
bool bufferInput = policySelector == null || policySelector.UseBufferedInputStream((object) httpContextBase);
httpRequestMessage.Content = HttpControllerHandler.GetStreamContent(requestBase, bufferInput);
foreach (string str in (NameObjectCollectionBase) requestBase.Headers)
{
string[] values = requestBase.Headers.GetValues(str);
HttpControllerHandler.AddHeaderToHttpRequestMessage(httpRequestMessage, str, values);
}
HttpRequestMessageExtensions.SetHttpContext(httpRequestMessage, httpContextBase);
HttpRequestContext httpRequestContext = (HttpRequestContext) new WebHostHttpRequestContext(httpContextBase, requestBase, httpRequestMessage);
System.Net.Http.HttpRequestMessageExtensions.SetRequestContext(httpRequestMessage, httpRequestContext);
IDictionary items = httpContextBase.Items;
if (items != null && items.Contains((object) HttpControllerHandler.OwinEnvironmentHttpContextKey))
httpRequestMessage.Properties.Add(HttpControllerHandler.OwinEnvironmentKey, items[(object) HttpControllerHandler.OwinEnvironmentHttpContextKey]);
httpRequestMessage.Properties.Add(HttpPropertyKeys.RetrieveClientCertificateDelegateKey, (object) HttpControllerHandler._retrieveClientCertificate);
httpRequestMessage.Properties.Add(HttpPropertyKeys.IsLocalKey, (object) new Lazy<bool>((Func<bool>) (() => requestBase.IsLocal)));
httpRequestMessage.Properties.Add(HttpPropertyKeys.IncludeErrorDetailKey, (object) new Lazy<bool>((Func<bool>) (() => !httpContextBase.IsCustomErrorEnabled)));
return httpRequestMessage;
}
更新2:
在mvc控制器的内部,上下文是可用的。但不是在webapi控制器。
您可以安全地删除global.asax文件,以便在应用程序中只获取一个入口点。我不确定这是否会解决问题,但它肯定会让事情变得更清洁...... – 2014-10-20 12:51:31
VS附带的Web应用程序模板创建了global.asax和启动类。有人说可以'保持',因为它可以很容易地将事件挂钩......我不确定它会帮助我删除它,但会尝试。 – Vegar 2014-10-20 16:45:23