//log in registered player
//player sends updatedetails message to register
public void LoginRequest(MClient c, MNetMessage m)
{
if (MassiveConnections.Count >= MAXCONNECTIONS)
{
DisconnectClient(c.connection, "Maximum Connections exceded");
return;
}
MLoginMessageRequest mlir = MLoginMessageRequest.Deserialize <MLoginMessageRequest>(m.Payload);
//check database
//if password matches, continue
//if not, send failed message
IPEndPoint ipe = (IPEndPoint)c.connection.ConnectionInfo.RemoteEndPoint;
string s = ipe.Address + ":" + ipe.Port;
c.Account.ClientIP = s;
if (c.Account.UserID == null)
{
c.Account.UserID = m.UserID;
}
_DataBase.UpdatePlayerIP(c.Account);
_DataBase.UpdatePlayerUsage(c.Account);
MUserAccount mu = _DataBase.GetPlayerByEmail(mlir.Email, mlir.Password);
if (mu == null)
{
MNetMessage mli = new MNetMessage();
mli.Command = MNetMessage.ERROR;
mli.Payload = "User not found. Building Disabled. Register User and Login again.";
Send(c, "Message", mli.Serialize());
}
else
{
MNetMessage mli = new MNetMessage();
mli.Command = MNetMessage.LOGIN;
mli.UserID = mu.UserID;
mli.Payload = mu.Serialize();
Send(c, "Message", mli.Serialize());
c.Account = mu;
}
ClientLoggedIn?.Invoke(this, new ServerEvent("Logged In:" + c.ToString()));
}
/// <summary>
/// Creates a new <see cref="Account"/> and binds it to the given <see cref="Client"/> with a <see cref="Session"/>.
/// <remarks>Removes any session that is already active on the given client(if the creation was successful).</remarks>
/// </summary>
/// <param name="client">The <see cref="Client"/> to which the new <see cref="Account"/> should be bound with a <see cref="Session"/>.</param>
/// <param name="userName">The username of the new <see cref="Account"/>.</param>
/// <param name="password">The password of the new <see cref="Account"/>.</param>
/// <returns>A <see cref="LoginResult"/> indicating the success of the operation and the newly created <see cref="Session"/>.</returns>
public Task <LoginResult> CreateAndLoginAccountAsync(Client.Client client, string userName, string password)
{
if (client == null)
{
throw new ArgumentNullException(nameof(client));
}
if (string.IsNullOrWhiteSpace(userName))
{
throw new ArgumentException(@"Value cannot be null or whitespace.", nameof(userName));
}
if (string.IsNullOrWhiteSpace(password))
{
throw new ArgumentException(@"Value cannot be null or whitespace.", nameof(password));
}
//Chain the tasks for checking the usernames existence and the creation of the new account. All of this is done in another thread.
return(CheckAccountExistsAsync(userName).ContinueWith(nameCheckTask =>
{
try
{
if (nameCheckTask.Result)
{
// The given username is already in use. Return unsuccessful.
return (LoginResult) new LoginFailedResult(LoginFailedReason.UserNameAlreadyInUse, "Username already in use.");
}
using (var context = _ContextFactory.CreateContext())
{
//Create the account in the database.
AccountEntity accountEntity = new AccountEntity
{
UserName = userName,
PasswordHash = _PasswordService.CreatePasswordHash(password),
CreationTime = DateTime.Now,
LastLogin = DateTime.Now,
LastIpAddress = client.SystemAddress
};
context.Accounts.Add(accountEntity);
context.SaveChanges();
//Login the new account
lock (_Lock)
{
//Logout the client just in case it is already logged in(this is a case that should not be allowed by the Frontend => Gothic client).
LogoutClient(client);
Account account = new Account(accountEntity.UserName, accountEntity.AccountId, accountEntity.PasswordHash, _ComponentSelector);
Session session = new Session(client, account);
_SessionByClient.Add(client, session);
_ClientIdLoggedIn[client.Id] = true;
//Invoke account creation event. Enqueue it on the dispatcher, so it will be executed after we leave the current lock.
_Dispatcher.EnqueueAction(() => AccountCreated?.Invoke(this, new AccountCreatedEventArgs(account)));
//Invoke the login event. Enqueue it on the dispatcher, so it will be executed after we leave the current lock.
_Dispatcher.EnqueueAction(() => ClientLoggedIn?.Invoke(this, new LoginEventArgs(session)));
return (LoginResult) new LoginSuccessfulResult(session);
}
}
}
catch (Exception e)
{
_Log.Error($"Something went wrong while creating a new account and login in. Exception: {e}");
return new LoginFailedResult(LoginFailedReason.None, "Internal server error.");
}
}));
}
/// <summary>
/// Logs in the given <see cref="Client"/> and binds its <see cref="Account"/> to the <see cref="Client"/> with a <see cref="Session"/>.
/// <remarks>Fails if the <see cref="Client"/> is already logged in.</remarks>
/// </summary>
/// <param name="client">The <see cref="Client"/> that should be logged in.</param>
/// <param name="userName">The username of the <see cref="Account"/> that should be used in the login.</param>
/// <param name="password">The password of the <see cref="Account"/> that should be used in the login.</param>
/// <returns>A <see cref="LoginResult"/> indicating the success of the operation and the newly created <see cref="Session"/>.</returns>
public Task <LoginResult> LoginClientAsync(Client.Client client, string userName, string password)
{
if (client == null)
{
throw new ArgumentNullException(nameof(client));
}
if (string.IsNullOrWhiteSpace(userName))
{
throw new ArgumentException(@"Value cannot be null or whitespace.", nameof(userName));
}
if (string.IsNullOrWhiteSpace(password))
{
throw new ArgumentException(@"Value cannot be null or whitespace.", nameof(password));
}
//Run the database access in another thread.
var task = new Task <LoginResult>(() =>
{
//Check that neither the client is already logged in nor the account with the given username is already in use by another client.
lock (_Lock)
{
if (_SessionByClient.ContainsKey(client))
{
throw new InvalidOperationException(@"The given client is already logged in.");
}
if (_SessionByClient.Values.Any(session =>
session.Account.UserName.Equals(userName, StringComparison.OrdinalIgnoreCase)))
{
return(new LoginFailedResult(LoginFailedReason.AccountAlreadyLoggedIn, string.Empty));
}
using (var context = _ContextFactory.CreateContext())
{
//Try to get an Account with the given username
AccountEntity accountEntity = context.Accounts.FirstOrDefault(ac =>
ac.UserName.Equals(userName, StringComparison.OrdinalIgnoreCase));
//An account with the given name does not exist or the password is wrong or is banned.
if (accountEntity == null || !_PasswordService.VerifyPassword(password, accountEntity.PasswordHash))
{
return(new LoginFailedResult(LoginFailedReason.InvalidLoginData, string.Empty));
}
if (accountEntity.IsBanned)
{
return(new LoginFailedResult(LoginFailedReason.Banned, accountEntity.BannedReasonText));
}
//Save last login info to the database.
accountEntity.LastLogin = DateTime.Now;
accountEntity.LastIpAddress = client.SystemAddress;
context.SaveChanges();
// Login successful, create an Account object and bind it to the client with a session.
Account account = new Account(accountEntity.UserName, accountEntity.AccountId, accountEntity.PasswordHash, _ComponentSelector);
Session session = new Session(client, account);
_SessionByClient.Add(client, session);
_ClientIdLoggedIn[client.Id] = true;
//Invoke the login event. Enqueue it on the dispatcher, so it will be executed after we leave the current lock.
_Dispatcher.EnqueueAction(() => ClientLoggedIn?.Invoke(this, new LoginEventArgs(session)));
return(new LoginSuccessfulResult(session));
}
}
});
//Run the task.
task.Start();
return(task);
}
public static void LogClientIn(ClientAccount clientAccount)
{
LoggedClients.Add(clientAccount);
CalculateMaxTasksPerClient();
ClientLoggedIn?.Invoke(LoggedClients);
}