private async Task SetToken(LoginResponse tokenResponse, LoginDuration keepLoggedIn = LoginDuration.Temporary)
{
LoginResponseExtended token = new LoginResponseExtended(tokenResponse);
switch (keepLoggedIn)
{
case LoginDuration.Temporary:
token.SessionExpirationDate = DateTime.Now.AddHours(3);
await _localStorage.SetItemAsync("Token", token);
break;
case LoginDuration.KeepLoggedIn:
token.SessionExpirationDate = DateTime.MaxValue;
await _localStorage.SetItemAsync("Token", token);
break;
case LoginDuration.None:
break;
}
await _sessionStorage.SetItemAsync("Token", token);
bool isLoggedIn = await IsLoggedInAsync();
if (isLoggedIn)
{
UserLoggedIn?.Invoke(null, null);
await PopulateUserObject();
}
}
public void TryAutoLogIn()
{
_mainViewModel.IsLoadingData = true;
Thread.Sleep(1200);
new Task(() =>
{
try
{
string username = _registryService.GetUsername();
string hash = _registryService.GetPasswordHash();
string message = string.Empty;
if (_authenticationService.LogIn(username, hash, ref message))
{
UserLoggedIn?.Invoke(this, username);
}
else
{
_logger.Warning($"Failed auto log in. Message: {message}.");
}
}
catch (AuthenticationException ex)
{
}
catch (Exception ex)
{
_logger.Error($"Auto log in error");
_logger.Error(ex);
}
_mainViewModel.IsLoadingData = false;
}).Start();
}
private void BtnLogin_Click(object sender, EventArgs e)
{
try
{
string email = tbxEmail.Text;
string password = tbxPassword.Text;
if (Customer == null)
{
if (controller.RetrieveCustomer(email, password) == null)
{
lblLoginStatus.Visible = true;
}
else
{
lblLoginStatus.Visible = false;
Customer = controller.RetrieveCustomer(email, password);
userLoggedIn?.Invoke(Customer, EventArgs.Empty);
}
}
else
{
lblLoginStatus.Text = "You are already logged in!";
lblLoginStatus.Visible = true;
}
}
catch (Exception ex)
{
lblLoginStatus.Text = ExceptionHandler.ConvertExceptionToMessage(ex);
lblLoginStatus.Visible = true;
}
}
private async Task InvokeUserLoggedInAsync(bool isAutoLogin)
{
await RequestNewKeysAndCertificateOnLoginAsync(isAutoLogin);
LoggedIn = true;
UserLoggedIn?.Invoke(this, new UserLoggedInEventArgs(isAutoLogin));
}
void OnLoggedIn(UserModelView userModelView)
{
IsLoggedIn = true;
UserLoggedIn?.Invoke();
CurrentUserModelView = userModelView;
_network?.Connect(CurrentUserModelView.UserName);
}
/// <summary>
/// Logs in or registers a user whose email has not already been registered.
/// If successful, calls the UserLoggedIn event handler and sets the user in ApiHelper
/// </summary>
/// <param name="info">Information needed by the api to log a user in</param>
/// <returns></returns>
public static async void LoginOrRegisterAsync()
{
AuthenticationResult result = null;
try
{
PublicClientApplication pca = App.AuthClient;
result = await pca.AcquireTokenAsync(Globals.DefaultScopes);
ApiHelper.setToken(result.AccessToken);
LoginInitiated?.Invoke(DateTime.Now, null);
Models.User user = await ApiHelper.GetAsync <Models.User>("User");
if (user == null || user.Email == null)
{
user = await ApiHelper.PostAsync <Models.User>("User");
}
if (user != null && !String.IsNullOrWhiteSpace(user.Email))
{
UserLoggedIn?.Invoke(DateTime.Now, user);
}
else
{
AuthError?.Invoke(DateTime.Now, "No connection to server.");
}
}
catch (MsalException ex)
{
if (ex.ErrorCode != "authentication_canceled")
{
string message = ex.Message;
if (ex.InnerException != null)
{
message += "\nInner Exception: " + ex.InnerException.Message;
}
AuthError?.Invoke(DateTime.Now, message);
}
}
catch (System.Net.Http.HttpRequestException ex)
{
// Launch warning popup
ContentDialog notLoggedInDialog = new ContentDialog()
{
Title = "Could not login",
Content = "Please check your wifi signal.",
PrimaryButtonText = "Ok"
};
await ContentDialogHelper.CreateContentDialogAsync(notLoggedInDialog, true);
}
}
public static User Login(string username, string password)
{
int id = Context.Users.SingleOrDefault(x => x.ValidateCredentials(username, password))?.ID ?? -1;
if (TryGetUser(id, out User user))
{
UserLoggedIn?.Invoke(user);
}
return(user);
}
/// <summary>
/// Attempts to log in or register the user using the given provider info.
/// If successful, saves their credentials for future use.
/// </summary>
private static async Task LoginOrRegisterAsync(ProviderInfo info)
{
var exists = await App.Api.GetAsync <User>("Users", info);
string action = null != exists ? "Login" : "Register";
var user = await App.Api.PostAsync <ProviderInfo, User>(action, info);
if (null != user && !String.IsNullOrWhiteSpace(user.Email))
{
UserLoggedIn?.Invoke(DateTime.Now, user);
StoreUserInfo(user.Auth);
}
}
public bool Login(string userName, string password)
{
var result = _dbManager.UserCollection.Find <User>(u => u.UserName == userName && u.Password == password);
var foundUser = result.SingleOrDefault();
if (foundUser != null)
{
CurrentUser = foundUser;
UserLoggedIn?.Invoke();
_dbManager.StartChatWatcher(CurrentUser.UserID);
_dbManager.StartContactListWatcher(CurrentUser.UserID);
return(true);
}
else
{
return(false); //! Error login error
}
}
public async Task ConnectAsync()
{
_connection = new HubConnection(url);
_hubProxy = _connection.CreateHubProxy("OrderBook");
_hubProxy.On <User>("UserLogin", (u) => UserLoggedIn?.Invoke(u));
_hubProxy.On <string>("UserLogout", (n) => UserLoggedOut?.Invoke(n));
_hubProxy.On <string>("UserDisconnection", (n) => UserDisconnected?.Invoke(n));
_hubProxy.On <string>("UserReconnection", (n) => UserReconnected?.Invoke(n));
_hubProxy.On <IEnumerable <Order> >("BroadcastOrders", (n) => ReceiveNewOrder?.Invoke(n));
_hubProxy.On <string, MessageType>("NotifyUser", (n, m) => ReceiveNotification?.Invoke(n, m));
_hubProxy.On <string>("SendBidDepth", (x) => ReceiveBidDepth?.Invoke(x));
_hubProxy.On <string>("SendAskDepth", (x => ReceiveAskDepth?.Invoke(x)));
_connection.Reconnecting += Reconnecting;
_connection.Reconnected += Reconnected;
_connection.Closed += Disconnected;
ServicePointManager.DefaultConnectionLimit = 10;
await _connection.Start();
}
public async Task <bool> IsLoggedInAsync()
{
LoginResponse token = await GetToken();
if (token != null)
{
if (token.AccessToken != null && token.TokenType != null)
{
if (CurrentlyLoggedInUser == null)
{
loggedIn = true;
UserLoggedIn?.Invoke(null, null);
await PopulateUserObject();
}
return(true);
}
}
return(false);
}
private async Task <bool> CheckToken()
{
UserResponse currentUser = await _sessionApi.GetCurrentUserData(await GetToken());
if (currentUser == null)
{
return(false);
}
if (String.IsNullOrEmpty(currentUser.Username))
{
return(false);
}
if (currentUser != CurrentlyLoggedInUser)
{
return(false);
}
loggedIn = true;
UserLoggedIn?.Invoke(null, null);
return(true);
}
private void InvokeUserLoggedIn(bool autoLogin)
{
LoggedIn = true;
UserLoggedIn?.Invoke(this, new UserLoggedInEventArgs(autoLogin));
}
public void RaiseUserLoggedIn()
{
UserLoggedIn?.Invoke(this, new EventArgs());
}
private void UserLoggedInEventHandler(object sender, string username)
{
User user = _usersDataModel.GetUser(username);
UserLoggedIn?.Invoke(this, user);
}
protected Task OnUserLoggedIn(IUser user)
{
return(UserLoggedIn?.Invoke(user));
}
//线程函数，封装一个建立连接的通信套接字
private void StartListen()
{
isListen = true;
//default()只是设置为一个初始值，这里应该为null 参考网址：https://stackoverflow.com/questions/28720717/why-default-in-c-sharp-tcpclient-clientsocket-defaulttcpclient
Socket clientSocket = default(Socket);
while (isListen)
{
try
{
//参考网址： http://bbs.csdn.net/topics/30100253
// int accept(int sockfd, void *addr, int *addrlen);
//注意这个serverSocket，它是用来监听的套接字，当有用户连接上端口后会返回一个新的套接字也就是这里的clientSocket，sercerSocket还是在那儿继续监听的
//详细参考网址：http://www.360doc.com/content/13/0908/17/13253385_313070996.shtml
//返回值是一个新的套接字描述符，它代表的是和客户端的新的连接，这个socket相当于一个客户端的socket，包含的是客户端的ip和port
//但是它也继承字本地的监听套接字，因此它也有服务器的ip和port信息
if (serverSocket == null) //如果服务停止，即serverSocket为空了，那就直接返回
{
return;
}
clientSocket = serverSocket.Accept(); //这个方法返回一个通信套接字，并用这个套接字进行通信，错误时返回-1并设置全局错误变量
}
catch (SocketException e)
{
Log?.Invoke(e.ToString() + "StartListen" + DateTime.Now.ToString() + "");
}
//TCP是面向字节流的
Byte[] bytesFrom = new Byte[4096];
String dataFromClient = null;
if (clientSocket != null && clientSocket.Connected)
{
try
{
//Socket.Receive() 参考网址：http://blog.csdn.net/cpcpc/article/details/7245420
//public int Receive( byte[] buffer, int offset, int size, SocketFlags socketFlags )
//buffer 是byte类型的数组，存储收到的数据的位置
//offset 是buffer中存储所接收数据的位置
//size 要接收的字节数
//socketFlags socketFlages值的按位组合
Int32 len = clientSocket.Receive(bytesFrom); //获取客户端发来的信息,返回的就是收到的字节数,并且把收到的信息都放在bytesForm里面
if (len > -1)
{
String tmp = Encoding.UTF8.GetString(bytesFrom, 0, len); //将字节流转换成字符串
/*try
* {
* dataFromClient = EncryptionAndDecryption.TripleDESDecrypting(tmp); //数据加密传输
* }
* catch (Exception e)
* {
*
* }
* catch (Exception e)
* {
*
* }*/
dataFromClient = tmp;
Int32 sublen = dataFromClient.LastIndexOf("$");
if (sublen > -1)
{
dataFromClient = dataFromClient.Substring(0, sublen); //获取用户名
if (!clientList.ContainsKey(dataFromClient))
{
clientList.Add(dataFromClient, clientSocket); //如果用户名不存在，则添加用户名进去
//BroadCast是下面自己定义的一个类，是用来将消息对所有用户进行推送的
//PushMessage(String msg, String uName, Boolean flag, Dictionary<String, Socket> clientList)
UserLoggedIn?.Invoke(dataFromClient);
//HandleClient也是一个自己定义的类，用来负责接收客户端发来的消息并转发给所有的客户端
//StartClient(Socket inClientSocket, String clientNo, Dictionary<String, Socket> cList)
HandleClient client = new HandleClient();
client.MessageRecieved += RecMsg;
client.UserLoggedOut += ULogout;
client.StartClient(clientSocket, dataFromClient, clientList);
Log?.Invoke(dataFromClient + "连接上了服务器");
}
else
{
//用户名已经存在
clientSocket.Send(Encoding.UTF8.GetBytes("#" + dataFromClient + "#"));
}
}
}
}
catch (Exception ep)
{
Log?.Invoke(ep.ToString() + "\t\t" + DateTime.Now.ToString() + "");
}
}
}
}
