Authentication

1Startup.cs

public void ConfigureServices(IServiceCollection services)
    {

        services.AddAuthentication(options =>
        {
            options.DefaultScheme = 
CookieAuthenticationDefaults.AuthenticationScheme;
            options.DefaultChallengeScheme = 
OpenIdConnectDefaults.AuthenticationScheme;
        })
        .AddCookie()
        .AddOpenIdConnect(options =>
        {
            options.SignInScheme = CookieAuthenticationDefaults.AuthenticationScheme;
            options.Authority = "https://localhost:5001/";
            options.ClientId = "client_id";
            options.ClientSecret = "secret";
            options.ResponseType = OpenIdConnectResponseType.Code;
            options.SaveTokens = true;
            options.Scope.Add("openid");
            options.Scope.Add("profile");
            options.Scope.Add("api1");
            options.CallbackPath = "/signin-oidc";
        });
    

2Startup.cs

public void ConfigureServices(IServiceCollection services)
{
    services.AddAuthentication(IdentityServerAuthenticationDefaults.AuthenticationScheme)
       .AddJwtBearer(IdentityServerAuthenticationDefaults.AuthenticationScheme, config =>
        {
            config.Authority = "https://localhost:44310";
            config.Audience = "api1";
            //config.TokenValidationParameters = new TokenValidationParameters
            //{
            //    ClockSkew = TimeSpan.FromSeconds(5),
            //};
            config.SaveToken = true;
            config.RequireHttpsMetadata = false;
        });

3Startup.cs

services.AddCors(options =>
            {
                options.AddPolicy("CorsPolicy",
                    builder =>
                        builder.AllowAnyOrigin()
                           .AllowAnyMethod()
                           .AllowAnyHeader()

                );
            });