context.Exception.Message = "IDX10208: Unable to validate audience. validationParameters.ValidAudience is null or whitespace and validationParameters.ValidAudiences is null."

context.Exception.Message = "IDX10208: Unable to validate audience. validationParameters.ValidAudience is null or whitespace and validationParameters.ValidAudiences is null."

public static void ConfigureJWT(this IServiceCollection services, IConfiguration
configuration)
{
    var jwtConfiguration = new JwtConfiguration();
    configuration.Bind(jwtConfiguration.Section, jwtConfiguration);
    var secretKey = Environment.GetEnvironmentVariable("SECRET");
    services.AddAuthentication(opt =>
    {
        opt.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
        opt.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
    })
    .AddJwtBearer(options =>
    {
        options.TokenValidationParameters = new TokenValidationParameters
        {
            ValidateIssuer = true,
            ValidateAudience = true,
            ValidateLifetime = true,
            ValidateIssuerSigningKey = true,

            ValidIssuer = jwtConfiguration.ValidIssuer,
            ValidAudience = jwtConfiguration.ValidAudience,
            IssuerSigningKey = new
        SymmetricSecurityKey(Encoding.UTF8.GetBytes(secretKey))
        };
        options.Events = new JwtBearerEvents
        {
            OnAuthenticationFailed = context =>
            {
                Console.WriteLine("Authentication failed: " + context.Exception.Message);
                return Task.CompletedTask;
            },
            OnTokenValidated = context =>
            {
                Console.WriteLine("Token validated: " + context.SecurityToken);
                return Task.CompletedTask;
            }
        };
    });

public static void ConfigureJWT(this IServiceCollection services, IConfiguration
configuration)
{
    var jwtConfiguration = new JwtConfiguration();
    configuration.Bind(jwtConfiguration.Section, jwtConfiguration);
    var secretKey = Environment.GetEnvironmentVariable("SECRET");
    services.AddAuthentication(opt =>
    {
        opt.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
        opt.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
    })
    .AddJwtBearer(options =>
    {
        options.TokenValidationParameters = new TokenValidationParameters
        {
            ValidateIssuer = true,
            ValidateAudience = true,
            ValidateLifetime = true,
            ValidateIssuerSigningKey = true,

            ValidIssuer = jwtConfiguration.ValidIssuer,
            ValidAudience = jwtConfiguration.ValidAudience,
            IssuerSigningKey = new
        SymmetricSecurityKey(Encoding.UTF8.GetBytes(secretKey))
        };
        options.Events = new JwtBearerEvents
        {
            OnAuthenticationFailed = context =>
            {
                Console.WriteLine("Authentication failed: " + context.Exception.Message);
                return Task.CompletedTask;
            },
            OnTokenValidated = context =>
            {
                Console.WriteLine("Token validated: " + context.SecurityToken);
                return Task.CompletedTask;
            }
        };
    });

public async Task<LoginResponse> AuthenticateUser(LoginRequesting userDetails)
{
    HttpResponseMessage response = await _httpClient.PostAsJsonAsync("authentication/login", userDetails);
    response.EnsureSuccessStatusCode();
    
    var contents = await response.Content.ReadAsStringAsync();
    var APIResponse = JsonConvert.DeserializeObject<LoginResponse>(contents);
    _httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", APIResponse.AccessToken);
    return APIResponse;
    
}

public async Task<LoginResponse> AuthenticateUser(LoginRequesting userDetails)
{
    HttpResponseMessage response = await _httpClient.PostAsJsonAsync("authentication/login", userDetails);
    response.EnsureSuccessStatusCode();
    
    var contents = await response.Content.ReadAsStringAsync();
    var APIResponse = JsonConvert.DeserializeObject<LoginResponse>(contents);
    _httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", APIResponse.AccessToken);
    return APIResponse;
    
}

[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Login(LoginRequesting UserModel)
{
    //var loginResponse = await _apiClient.LoginAsync<LoginRequesting, LoginResponse>("https://localhost:5001/api/authentication/login", UserModel);
    var obj= await _apiClient.AuthenticateUser(UserModel);
    if (obj != null && obj.AccessToken.ToString() != "")
    {
        
        HttpContext.Session.SetString("AuthToken", obj.AccessToken);
        HttpContext.Session.SetString("RefreshToken", obj.RefreshToken);
        return RedirectToAction("Index", "Home");
        
    }
    else
    {
        HttpContext.Session.SetString("JWTToken", "");
        HttpContext.Session.SetString("RefreshToken", "");
    }
    return View(obj);

[HttpPost]
[ValidateAntiForgeryToken]
public async Task<IActionResult> Login(LoginRequesting UserModel)
{
    //var loginResponse = await _apiClient.LoginAsync<LoginRequesting, LoginResponse>("https://localhost:5001/api/authentication/login", UserModel);
    var obj= await _apiClient.AuthenticateUser(UserModel);
    if (obj != null && obj.AccessToken.ToString() != "")
    {
        
        HttpContext.Session.SetString("AuthToken", obj.AccessToken);
        HttpContext.Session.SetString("RefreshToken", obj.RefreshToken);
        return RedirectToAction("Index", "Home");
        
    }
    else
    {
        HttpContext.Session.SetString("JWTToken", "");
        HttpContext.Session.SetString("RefreshToken", "");
    }
    return View(obj);