/// <summary>
/// checks if a user account is valid using plugins and the minecraft.net services
/// </summary>
/// <param name="proxyConnection"> The proxy server which should be checked. </param>
/// <param name="hash"> The 'serverId' hash </param>
/// <returns> true if the user account is okay, otherwise false </returns>
public async Task<bool> CheckUserAccountAsync(ProxyConnection proxyConnection, string hash)
{
var args = new CheckAccountEventArgs(null, hash, proxyConnection);
await PluginManager.TriggerPlugin.OnUserAccountCheckAsync(args);
args.EnsureSuccess ();
if (args.Result == null)
{
try
{
bool? result = await UserAccountServices.CheckAccountAsync(proxyConnection.Username, hash);
if (result.HasValue) return result.Value;
_logger.Error("Could not access minecraft.net");
return false;
}
catch (Exception ex)
{
_logger.Error("minecraft.net not accessible", ex);
return false;
}
}
return (bool) args.Result;
}
internal void RemoveConnection(ProxyConnection proxyConnection)
{
_openConnection.Remove(proxyConnection);
if (_connectedUsers.Contains(proxyConnection))
{
PluginManager.TriggerPlugin.OnConnectionLost(new UserEventArgs(proxyConnection));
_connectedUsers.Remove(proxyConnection);
}
}
internal void PromoteConnection(ProxyConnection proxyConnection)
{
_connectedUsers.Add(proxyConnection);
}
private async void ReceiveClientsAsync()
{
_acceptingNewClients = true;
while (true)
{
try
{
Socket remote = await _listeningSocket.AcceptTaskAsync ();
IPAddress address = ((IPEndPoint) remote.RemoteEndPoint).Address;
var args = new CheckIPEventArgs(address, true);
PluginManager.TriggerPlugin.AllowJoining(args);
if (!args.AllowJoining)
{
remote.Close ();
_logger.Warn("Denied access from " + address);
continue;
}
//Connection accepted
var proxyConnection = new ProxyConnection(remote, this);
_openConnection.Add(proxyConnection);
proxyConnection.HandleClient ();
}
catch (TaskCanceledException)
{
_acceptingNewClients = false;
return;
}
catch (Exception)
{
}
}
}