如何为身份服务器配置OpenIdConnect和OAuth？

Question

我正在尝试配置OpenIdConnectOptions和OAuthOptions以便解决an issue where custom claims are not mapped to the cookie。我正在运行ASP.NET Core 3.0 Preview 5 react SPA template。基本上，身份配置的要旨如下：

services.AddDefaultIdentity<ApplicationUser>()
    .AddEntityFrameworkStores<ApplicationDbContext>();

services.AddIdentityServer()
    .AddApiAuthorization<ApplicationUser, ApplicationDbContext>();

services.AddAuthentication()
   .AddIdentityServerJwt();

services.Configure<IdentityOptions>(options => {
   // These options are set
});

services.Configure<OpenIdConnectOptions>(options => { 
   // These are not set
   options.ClaimActions.MapUniqueJsonKey("MyCustomClaim", "MyCustomClaim");
   options.GetClaimsFromUserInfoEndpoint = true;
});

services.Configure<OAuthOptions>(options => {
   // Neither are these
   options.ClaimActions.MapUniqueJsonKey("MyCustomClaim", "MyCustomClaim");
});

现在，从日志中，我可以验证是否执行了services.Configure<IdentityOptions>，但是根本没有执行services.Configure<OpenIdConnectOptions>和services.Configure<OAuthOptions>。我的印象是，身份服务器基本上是OAuth服务器之上的OpenIdConnect实现。那么为什么不使用这些服务呢？如何为身份服务器设置这些选项？