问题描述
在我实现我使用OpenID的连接服务器（Identity Server的V3 +）来验证Asp.net MVC应用5（带AngularJS前端）
In my implementation I am using OpenID-Connect Server (Identity Server v3+) to authenticate Asp.net MVC 5 app (with AngularJS front-end)
我打算使用OID code流量（带范围Open_ID），以验证客户端（RP）。对于OpenID的连接中间件，我用OWIN（卡塔纳项目）组件。
I am planning to use OID Code flow (with Scope Open_ID) to authenticate the client (RP). For the OpenID connect middle-ware, I am using OWIN (Katana Project) components.
实施前，我想明白了反向信道令牌请求，刷新令牌请求过程中，使用等.. OWIN但我无法找到这种类型的实现任何文件（大多数可用的示例使用隐式流）
Before the implementation, I want to understand back-channel token request, refresh token request process, etc using OWIN.. But I am unable to find any documentation for this type of implementation (most of the available examples use Implicit flow).
我能找到的通用code流实施ID服务器V3这里的
I could find samples for generic Code flow implementation for ID Server v3 here https://github.com/IdentityServer/IdentityServer3.Samples/tree/master/source
我要寻找使用OWIN中间件类似的一个？没有任何人有任何指针？
I am looking for a similar one using OWIN middleware ? Does anyone have any pointers ?
推荐答案
在OpenID的连接中间件不支持code流量：的（它已经固定在ASP.NET 5.0版本，虽然）
The OpenID Connect middleware doesn't support the code flow: http://katanaproject.codeplex.com/workitem/247 (it's already fixed in the ASP.NET 5 version, though).
事实上，只有隐性流量（ id_token ）的官方支持，你必须使用 response_mode = form_post 扩展。要使用该授权code流量只会导致异常的回调过程中被抛出，因为它不会能够从提取（失踪） id_token 认证响应。
Actually, only the implicit flow (id_token) is officially supported, and you have to use the response_mode=form_post extension. Trying to use the authorization code flow will simply result in an exception being thrown during the callback, because it won't be able to extract the (missing) id_token from the authentication response.
虽然不直接支持，您还可以使用混合流量（ code + id_token（+令牌）），但它是由你来实现令牌请求的一部分。你可以看到https://github.com/aspnet-contrib/AspNet.Security.OpenIdConnect.Server/blob/dev/samples/Nancy/Nancy.Client/Startup.cs#L61-L89一个例子。
Though not directly supported, you can also use the hybrid flow (code + id_token (+ token)), but it's up to you to implement the token request part. You can see https://github.com/aspnet-contrib/AspNet.Security.OpenIdConnect.Server/blob/dev/samples/Nancy/Nancy.Client/Startup.cs#L61-L89 for an example.
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