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График и .Net Core 5

#.net-core #graph

Вопрос:

в моем api с .net core 5 и graph api с openidconnect я не могу вызвать graph api.

Это мой стартап.cs:

 public void ConfigureServices(IServiceCollection services)
    {
        var initialScopes = Configuration.GetValue<string>("DownstreamApi:Scopes")?.Split(' ');

        services.AddAuthentication(OpenIdConnectDefaults.AuthenticationScheme)
            .AddMicrosoftIdentityWebApp(Configuration.GetSection("AzureAd"))
                .EnableTokenAcquisitionToCallDownstreamApi(initialScopes)
                    .AddMicrosoftGraph(Configuration.GetSection("DownstreamApi"))
                    .AddInMemoryTokenCaches();

        ////add AD SECTION 
        services.AddAuthentication()
            .AddAzureAD(options => Configuration.Bind("AzureAd", options))
           
            .AddJwtBearer(o =>
        {
            o.Authority = "https://login.microsoftonline.com/tenant-id******"; //tenant id
            o.TokenValidationParameters.ValidateAudience = false;
            o.TokenValidationParameters.ValidateIssuer = false;
        });

                    //add httpcontext service
        services.TryAddSingleton<IHttpContextAccessor, HttpContextAccessor>();
 ........
 }

и в моих приложениях.json есть раздел azure Ad.

 "AzureAd":
{
    "Instance": "https://login.microsoftonline.com/",
    "Domain": "x",
    "TenantId": "x",
    "ClientId": "x",
    "CallbackPath": "/signin-oidc",
    "SignedOutCallbackPath ": "/signout-callback-oidc",
    "ClientSecret": "x"
  },

почему я получил это исключение:

 Microsoft.Extensions.Options.OptionsValidationException: The 'Instance' option must be provided.
   at Microsoft.Extensions.Options.OptionsFactory`1.Create(String name)
   at Microsoft.Extensions.Options.OptionsMonitor`1.<>c__DisplayClass11_0.<Get>b__0()
   at System.Lazy`1.ViaFactory(LazyThreadSafetyMode mode)
   at System.Lazy`1.ExecutionAndPublication(LazyHelper executionAndPublication, Boolean useDefaultConstructor)
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