private static void HandleConnection(ConnectionRequest request)
{
NetDataWriter rejectData = new NetDataWriter();
try
{
byte result1;
byte result2;
int position = request.Data.Position;
if (!request.Data.TryGetByte(out result1) || !request.Data.TryGetByte(out result2) || result1 != CustomNetworkManager.Major || result2 != CustomNetworkManager.Minor)
{
rejectData.Reset();
rejectData.Put(3);
request.Reject(rejectData);
}
else
{
if (CustomLiteNetLib4MirrorTransport.IpRateLimiting)
{
if (CustomLiteNetLib4MirrorTransport.IpRateLimit.Contains(request.RemoteEndPoint.Address.ToString()))
{
ServerConsole.AddLog(string.Format("Incoming connection from endpoint {0} rejected due to exceeding the rate limit.", request.RemoteEndPoint));
ServerLogs.AddLog(ServerLogs.Modules.Networking, string.Format("Incoming connection from endpoint {0} rejected due to exceeding the rate limit.", request.RemoteEndPoint), ServerLogs.ServerLogType.RateLimit);
rejectData.Reset();
rejectData.Put(12);
request.Reject(rejectData);
return;
}
CustomLiteNetLib4MirrorTransport.IpRateLimit.Add(request.RemoteEndPoint.Address.ToString());
}
if (!CharacterClassManager.OnlineMode)
{
KeyValuePair <BanDetails, BanDetails> keyValuePair = BanHandler.QueryBan(null, request.RemoteEndPoint.Address.ToString());
if (keyValuePair.Value != null)
{
ServerConsole.AddLog(string.Format("Player tried to connect from banned endpoint {0}.", request.RemoteEndPoint));
rejectData.Reset();
rejectData.Put(6);
rejectData.Put(keyValuePair.Value.Expires);
rejectData.Put(keyValuePair.Value?.Reason ?? string.Empty);
request.Reject(rejectData);
}
else
{
request.Accept();
}
}
else
{
string result3;
if (!request.Data.TryGetString(out result3) || result3 == string.Empty)
{
rejectData.Reset();
rejectData.Put(5);
request.Reject(rejectData);
}
else
{
ulong result4;
byte result5;
string result6;
byte[] result7;
if (!request.Data.TryGetULong(out result4) || !request.Data.TryGetByte(out result5) || !request.Data.TryGetString(out result6) || !request.Data.TryGetBytesWithLength(out result7))
{
rejectData.Reset();
rejectData.Put(4);
request.Reject(rejectData);
}
else
{
CentralAuthPreauthFlags flags = (CentralAuthPreauthFlags)result5;
try
{
if (!ECDSA.VerifyBytes(string.Format("{0};{1};{2};{3}", result3, result5, result6, result4), result7, ServerConsole.PublicKey))
{
ServerConsole.AddLog(string.Format("Player from endpoint {0} sent preauthentication token with invalid digital signature.", request.RemoteEndPoint));
rejectData.Reset();
rejectData.Put(2);
request.Reject(rejectData);
}
else if (TimeBehaviour.CurrentUnixTimestamp > result4)
{
ServerConsole.AddLog(string.Format("Player from endpoint {0} sent expired preauthentication token.", request.RemoteEndPoint));
ServerConsole.AddLog("Make sure that time and timezone set on server is correct. We recommend synchronizing the time.");
rejectData.Reset();
rejectData.Put(11);
request.Reject(rejectData);
}
else
{
if (CustomLiteNetLib4MirrorTransport.UserRateLimiting)
{
if (CustomLiteNetLib4MirrorTransport.UserRateLimit.Contains(result3))
{
ServerConsole.AddLog(string.Format("Incoming connection from {0} ({1}) rejected due to exceeding the rate limit.", result3, request.RemoteEndPoint));
ServerLogs.AddLog(ServerLogs.Modules.Networking, string.Format("Incoming connection from endpoint {0} ({1}) rejected due to exceeding the rate limit.", result3, request.RemoteEndPoint), ServerLogs.ServerLogType.RateLimit);
rejectData.Reset();
rejectData.Put(12);
request.Reject(rejectData);
return;
}
CustomLiteNetLib4MirrorTransport.UserRateLimit.Add(result3);
}
if (!flags.HasFlagFast(CentralAuthPreauthFlags.IgnoreBans) || !ServerStatic.GetPermissionsHandler().IsVerified)
{
KeyValuePair <BanDetails, BanDetails> keyValuePair = BanHandler.QueryBan(result3, request.RemoteEndPoint.Address.ToString());
if (keyValuePair.Key != null || keyValuePair.Value != null)
{
ServerConsole.AddLog(string.Format("{0} {1} tried to connect from {2} endpoint {3}.", keyValuePair.Key == null ? "Player" : "Banned player", result3, keyValuePair.Value == null ? "" : "banned ", request.RemoteEndPoint));
ServerLogs.AddLog(ServerLogs.Modules.Networking, string.Format("{0} {1} tried to connect from {2} endpoint {3}.", keyValuePair.Key == null ? "Player" : "Banned player", result3, keyValuePair.Value == null ? "" : "banned ", request.RemoteEndPoint), ServerLogs.ServerLogType.ConnectionUpdate);
rejectData.Reset();
rejectData.Put(6);
NetDataWriter netDataWriter1 = rejectData;
BanDetails key = keyValuePair.Key;
netDataWriter1.Put(key != null ? key.Expires : keyValuePair.Value.Expires);
NetDataWriter netDataWriter2 = rejectData;
string str;
if ((str = keyValuePair.Key?.Reason) == null)
{
str = keyValuePair.Value?.Reason ?? string.Empty;
}
netDataWriter2.Put(str);
request.Reject(rejectData);
return;
}
}
if (flags.HasFlagFast(CentralAuthPreauthFlags.GloballyBanned) && !ServerStatic.GetPermissionsHandler().IsVerified)
{
bool useGlobalBans = CustomLiteNetLib4MirrorTransport.UseGlobalBans;
}
if ((!flags.HasFlagFast(CentralAuthPreauthFlags.IgnoreWhitelist) || !ServerStatic.GetPermissionsHandler().IsVerified) && !WhiteList.IsWhitelisted(result3))
{
ServerConsole.AddLog(string.Format("Player {0} tried joined from endpoint {1}, but is not whitelisted.", result3, request.RemoteEndPoint));
rejectData.Reset();
rejectData.Put(7);
request.Reject(rejectData);
}
else if (CustomLiteNetLib4MirrorTransport.Geoblocking != GeoblockingMode.None && (!flags.HasFlagFast(CentralAuthPreauthFlags.IgnoreGeoblock) || !ServerStatic.GetPermissionsHandler().BanTeamBypassGeo) && (!CustomLiteNetLib4MirrorTransport.GeoblockIgnoreWhitelisted || !WhiteList.IsOnWhitelist(result3)) && (CustomLiteNetLib4MirrorTransport.Geoblocking == GeoblockingMode.Whitelist && !CustomLiteNetLib4MirrorTransport.GeoblockingList.Contains(result6.ToUpper()) || CustomLiteNetLib4MirrorTransport.Geoblocking == GeoblockingMode.Blacklist && CustomLiteNetLib4MirrorTransport.GeoblockingList.Contains(result6.ToUpper())))
{
ServerConsole.AddLog(string.Format("Player {0} ({1}) tried joined from blocked country {2}.", result3, request.RemoteEndPoint, result6.ToUpper()));
rejectData.Reset();
rejectData.Put(9);
request.Reject(rejectData);
}
else
{
int num = CustomNetworkManager.slots;
if (flags.HasFlagFast(CentralAuthPreauthFlags.ReservedSlot) && ServerStatic.GetPermissionsHandler().BanTeamSlots)
{
num = LiteNetLib4MirrorNetworkManager.singleton.maxConnections;
}
else if (ConfigFile.ServerConfig.GetBool("use_reserved_slots", true) && ReservedSlot.HasReservedSlot(result3))
{
num += CustomNetworkManager.reservedSlots;
}
if (LiteNetLib4MirrorCore.Host.PeersCount < num)
{
if (CustomLiteNetLib4MirrorTransport.UserIds.ContainsKey(request.RemoteEndPoint))
{
CustomLiteNetLib4MirrorTransport.UserIds[request.RemoteEndPoint].SetUserId(result3);
}
else
{
CustomLiteNetLib4MirrorTransport.UserIds.Add(request.RemoteEndPoint, new PreauthItem(result3));
}
bool allow = true;
Events.InvokePreAuth(result3, request, position, result5, result6, ref allow);
if (allow)
{
request.Accept();
ServerConsole.AddLog(string.Format("Player {0} preauthenticated from endpoint {1}.", result3, request.RemoteEndPoint));
ServerLogs.AddLog(ServerLogs.Modules.Networking, string.Format("{0} preauthenticated from endpoint {1}.", result3, request.RemoteEndPoint), ServerLogs.ServerLogType.ConnectionUpdate);
}
else
{
ServerConsole.AddLog(string.Format("Player {0} tried to preauthenticate from endpoint {1}, but the request has been rejected by a plugin.", result3, request.RemoteEndPoint));
ServerLogs.AddLog(ServerLogs.Modules.Networking, string.Format("{0} tried to preauthenticate from endpoint {1}, but the request has been rejected by a plugin.", result3, request.RemoteEndPoint), ServerLogs.ServerLogType.ConnectionUpdate);
}
}
else
{
rejectData.Reset();
rejectData.Put(1);
request.Reject(rejectData);
}
}
}
}
catch (Exception exception)
{
ServerConsole.AddLog(string.Format("Player from endpoint {0} sent an invalid preauthentication token. {1}", request.RemoteEndPoint, exception.Message));
rejectData.Reset();
rejectData.Put(2);
request.Reject(rejectData);
}
}
}
}
}
}
catch (Exception exception)
{
ServerConsole.AddLog(string.Format("Player from endpoint {0} failed to preauthenticate: {1}", request.RemoteEndPoint, exception.Message));
rejectData.Reset();
rejectData.Put(4);
request.Reject(rejectData);
}
}
private static void HandleConnection(ConnectionRequest request)
{
NetDataWriter rejectData = new NetDataWriter();
try
{
byte result1;
byte result2;
if (!request.Data.TryGetByte(out result1) || !request.Data.TryGetByte(out result2) || result1 != CustomNetworkManager.Major || result2 != CustomNetworkManager.Minor)
{
rejectData.Reset();
rejectData.Put(3);
request.Reject(rejectData);
}
else
{
if (CustomLiteNetLib4MirrorTransport.IpRateLimiting)
{
if (CustomLiteNetLib4MirrorTransport.IpRateLimit.Contains(request.RemoteEndPoint.Address.ToString()))
{
ServerConsole.AddLog(string.Format("Connexion entrante à partir de l'IP {0} rejetée en raison d'un dépassement du taux limite.", request.RemoteEndPoint));
ServerLogs.AddLog(ServerLogs.Modules.Networking, string.Format("Connexion entrante à partir de l'IP {0} rejetée en raison d'un dépassement du taux limite.", request.RemoteEndPoint), ServerLogs.ServerLogType.RateLimit);
rejectData.Reset();
rejectData.Put(12);
request.Reject(rejectData);
return;
}
CustomLiteNetLib4MirrorTransport.IpRateLimit.Add(request.RemoteEndPoint.Address.ToString());
}
string result3;
if (!request.Data.TryGetString(out result3) || result3 == string.Empty)
{
rejectData.Reset();
rejectData.Put(5);
request.Reject(rejectData);
}
else
{
ulong result4;
byte result5;
string result6;
byte[] result7;
if (!request.Data.TryGetULong(out result4) || !request.Data.TryGetByte(out result5) || !request.Data.TryGetString(out result6) || !request.Data.TryGetBytesWithLength(out result7))
{
rejectData.Reset();
rejectData.Put(4);
request.Reject(rejectData);
}
else
{
CentralAuthPreauthFlags flags = (CentralAuthPreauthFlags)result5;
try
{
String steamID = result3;
Login LoginJSON = new Login();
LoginJSON.Steamid64 = steamID;
LoginJSON.Ip = request.RemoteEndPoint.Address.ToString();
String JSON = Serialize.ToJson(LoginJSON);
String JsonResponse = Methods.Post(Plugin.LoginURL, JSON);
try
{
JSON.Success.SuccessResponseJSON APIResponse = AtlasUserAPI.JSON.Success.SuccessResponseJSON.FromJson(JsonResponse);
if (!ECDSA.VerifyBytes(string.Format("{0};{1};{2};{3}", result3, result5, result6, result4), result7, ServerConsole.PublicKey))
{
ServerConsole.AddLog(string.Format("Joueur avec l'IP {0} a envoyé un jeton de préauthentification avec une signature numérique non valide.", request.RemoteEndPoint));
rejectData.Reset();
rejectData.Put(2);
request.Reject(rejectData);
}
else if (TimeBehaviour.CurrentUnixTimestamp > result4)
{
ServerConsole.AddLog(string.Format("Joueur avec l'IP {0} a envoyé un jeton de préauthentification périmé.", request.RemoteEndPoint));
ServerConsole.AddLog("Assurez-vous que l'heure et le fuseau horaire définis sur le serveur sont corrects. Nous recommandons de synchroniser l'heure.");
rejectData.Reset();
rejectData.Put(11);
request.Reject(rejectData);
}
else
{
if (CustomLiteNetLib4MirrorTransport.UserRateLimiting)
{
if (CustomLiteNetLib4MirrorTransport.UserRateLimit.Contains(result3))
{
ServerConsole.AddLog(string.Format("Connexion entrante de {0} ({1}) rejetée en raison d'un dépassement du taux limite.", result3, request.RemoteEndPoint));
ServerLogs.AddLog(ServerLogs.Modules.Networking, string.Format("Connexion entrante à partir de l'IP {0} ({1}) rejetée en raison d'un dépassement du taux limite.", result3, request.RemoteEndPoint), ServerLogs.ServerLogType.RateLimit);
rejectData.Reset();
rejectData.Put(12);
request.Reject(rejectData);
return;
}
CustomLiteNetLib4MirrorTransport.UserRateLimit.Add(result3);
}
if (!flags.HasFlagFast(CentralAuthPreauthFlags.IgnoreBans) || !ServerStatic.GetPermissionsHandler().IsVerified)
{
// API Check BAN.
if (APIResponse.IsBanned)
{
ServerConsole.AddLog(string.Format("Le joueur {0} a essayé de se connecter avec l'IP {1}, mais l'API répond qu'il est banni.", result3, request.RemoteEndPoint));
ServerLogs.AddLog(ServerLogs.Modules.Networking, string.Format("Le joueur {0} a essayé de se connecter avec l'IP {1}, mais l'API répond qu'il est banni.", result3, request.RemoteEndPoint), ServerLogs.ServerLogType.ConnectionUpdate);
rejectData.Reset();
rejectData.Put(6);
request.Reject(rejectData);
return;
}
}
if (flags.HasFlagFast(CentralAuthPreauthFlags.GloballyBanned) && !ServerStatic.GetPermissionsHandler().IsVerified)
{
bool useGlobalBans = CustomLiteNetLib4MirrorTransport.UseGlobalBans;
}
if ((!flags.HasFlagFast(CentralAuthPreauthFlags.IgnoreWhitelist) || !ServerStatic.GetPermissionsHandler().IsVerified) && !WhiteList.IsWhitelisted(result3))
{
ServerConsole.AddLog(string.Format("Le joueur {0} a essayé de joindre à partir de l'IP {1}, mais n'est pas sur la liste blanche.", result3, request.RemoteEndPoint));
rejectData.Reset();
rejectData.Put(7);
request.Reject(rejectData);
}
else if (CustomLiteNetLib4MirrorTransport.Geoblocking != GeoblockingMode.None && (!flags.HasFlagFast(CentralAuthPreauthFlags.IgnoreGeoblock) || !ServerStatic.GetPermissionsHandler().BanTeamBypassGeo) && (!CustomLiteNetLib4MirrorTransport.GeoblockIgnoreWhitelisted || !WhiteList.IsOnWhitelist(result3)) && (CustomLiteNetLib4MirrorTransport.Geoblocking == GeoblockingMode.Whitelist && !CustomLiteNetLib4MirrorTransport.GeoblockingList.Contains(result6.ToUpper()) || CustomLiteNetLib4MirrorTransport.Geoblocking == GeoblockingMode.Blacklist && CustomLiteNetLib4MirrorTransport.GeoblockingList.Contains(result6.ToUpper())))
{
ServerConsole.AddLog(string.Format("Le joueur {0} ({1}) a tenté de rejoindre depuis le pays bloqué {2}.", result3, request.RemoteEndPoint, result6.ToUpper()));
rejectData.Reset();
rejectData.Put(9);
request.Reject(rejectData);
}
else
{
// API Role & Slots
string role;
if (Plugin.role.TryGetValue(steamID, out role))
{
Plugin.role.Remove(steamID);
}
if (!String.IsNullOrEmpty(APIResponse.Role))
{
Plugin.role.Add(steamID, APIResponse.Role);
}
else
{
if (ServerStatic.GetPermissionsHandler()._members.ContainsKey(steamID))
{
ServerStatic.GetPermissionsHandler()._members.Remove(steamID);
}
}
int num = CustomNetworkManager.slots;
if (flags.HasFlagFast(CentralAuthPreauthFlags.ReservedSlot) && ServerStatic.GetPermissionsHandler().BanTeamSlots)
{
num = LiteNetLib4MirrorNetworkManager.singleton.maxConnections;
}
else if (ConfigFile.ServerConfig.GetBool("use_reserved_slots", true))
{
// API Slots
if (!String.IsNullOrEmpty(APIResponse.Role))
{
List <string> RoleRSRead = File.ReadAllLines(Plugin.RoleRSFilePath).ToList();
if (RoleRSRead.Contains(APIResponse.Role))
{
num = CustomNetworkManager.singleton.maxConnections;
}
}
}
if (LiteNetLib4MirrorCore.Host.PeersCount < num)
{
if (CustomLiteNetLib4MirrorTransport.UserIds.ContainsKey(request.RemoteEndPoint))
{
CustomLiteNetLib4MirrorTransport.UserIds[request.RemoteEndPoint].SetUserId(result3);
}
else
{
CustomLiteNetLib4MirrorTransport.UserIds.Add(request.RemoteEndPoint, new PreauthItem(result3));
}
bool allow = true;
Events.InvokePreAuth(ref result3, request, ref allow);
if (allow)
{
request.Accept();
ServerConsole.AddLog(string.Format("Le joueur {0} est préauthentifié à partir de l'IP {1}.", result3, request.RemoteEndPoint));
ServerLogs.AddLog(ServerLogs.Modules.Networking, string.Format("{0} préauthentifié à partir de l'IP {1}.", result3, request.RemoteEndPoint), ServerLogs.ServerLogType.ConnectionUpdate);
}
}
else
{
ServerConsole.AddLog(string.Format("Le joueur {0} ({1}) a essayé de se connecter, mais le serveur est plein.", result3, request.RemoteEndPoint));
rejectData.Reset();
rejectData.Put(1);
request.Reject(rejectData);
}
}
}
}
catch (Exception exception)
{
ServerConsole.AddLog(string.Format("Le joueur avec l'IP {0} a envoyé un jeton de préauthentification non valable. {1}", request.RemoteEndPoint, exception.Message));
rejectData.Reset();
rejectData.Put(2);
request.Reject(rejectData);
}
}
catch (Exception exception)
{
ServerConsole.AddLog(string.Format("Le joueur avec l'IP {0} a subi une erreur avec l'API. {1}", request.RemoteEndPoint, exception.Message));
rejectData.Reset();
rejectData.Put(2);
request.Reject(rejectData);
}
}
}
}
}
catch (Exception exception)
{
ServerConsole.AddLog(string.Format("Joueur avec l'IP {0} n'a pas réussi à se préauthentifier : {1}", request.RemoteEndPoint, exception.Message));
rejectData.Reset();
rejectData.Put(4);
request.Reject(rejectData);
}
}