Configuration.cs

// Configure OAuth authentication
builder.Services.AddAuthentication(JwtBearerDefaults.AuthenticationScheme)
    .AddJwtBearer(options =>
    {
        options.Events = new JwtBearerEvents()
        {
            OnAuthenticationFailed = ctx =>
            {
                Console.WriteLine("Authentication failed");
                Console.WriteLine(ctx.Exception.Message);
                return Task.CompletedTask;
            }
            ,
            OnMessageReceived = msg =>
            {
                var token = msg?.Request.Headers.Authorization.ToString();
                string path = msg?.Request.Path ?? "";
                if (!string.IsNullOrEmpty(token))

                {
                    Console.WriteLine("Access token");
                    Console.WriteLine($"URL: {path}");
                    Console.WriteLine($"Token: {token}\r\n");
                }
                else
                {
                    Console.WriteLine("Access token");
                    Console.WriteLine("URL: " + path);
                    Console.WriteLine("Token: No access token provided\r\n");
                }
                return Task.CompletedTask;
            }
        ,
            OnTokenValidated = ctx =>
            {
                Console.WriteLine();
                Console.WriteLine("Claims from the access token");
                if (ctx?.Principal != null)
                {
                    foreach (var claim in ctx.Principal.Claims)
                    {
                        Console.WriteLine($"{claim.Type} - {claim.Value}");
                    }
                }
                Console.WriteLine();
                return Task.CompletedTask;
            }
        };
    });