在ASP.NET CORE中，可以通过使用Microsoft.AspNetCore.Authentication.OAuth的AddOAuth()方法来集成OAuth2。在刷新.well-known文件时，可以在ConfigureServices()方法中使用AddOpenIdConnect()方法添加OpenID Connect进行通信，然后在Configure()方法中调用UseOpenIdConnectAuthentication()方法进行授权。

示例代码如下：

// 在ConfigureServices()方法中添加以下代码 services.AddAuthentication(options => { options.DefaultScheme = CookieAuthenticationDefaults.AuthenticationScheme; options.DefaultChallengeScheme = OpenIdConnectDefaults.AuthenticationScheme; }) .AddCookie() .AddOpenIdConnect(options => { options.ClientId = "your_client_id"; options.ClientSecret = "your_client_secret"; options.Authority = "https://yourauthority.com"; options.CallbackPath = "/signin-oidc"; options.SignedOutCallbackPath = "/signout-callback-oidc"; options.ResponseType = "code id_token"; options.Scope.Add("openid"); options.Scope.Add("profile"); options.SaveTokens = true; options.GetClaimsFromUserInfoEndpoint = true; options.TokenValidationParameters = new TokenValidationParameters { NameClaimType = "name", RoleClaimType = "role" }; });

// 在Configure()方法中添加以下代码 app.UseAuthentication(); app.UseOpenIdConnectAuthentication(new OpenIdConnectOptions { Authority = "https://yourauthority.com", ClientId = "your_client_id", ClientSecret = "your_client_secret", ResponseType = "code id_token", Scope = { "openid", "profile" }, GetClaimsFromUserInfoEndpoint = true, SaveTokens = true, TokenValidationParameters = new TokenValidationParameters { NameClaimType = "name", RoleClaimType = "role" } });