private LoginCheckerResponse BlockLogin(string reason, Account acc, string ip, long user_id, string installID)
{
LogIpFailure(ip);
var str = $"Login denied for {acc.Name} IP:{ip} UserID:{user_id} InstallID:{installID} reason: {reason}";
Talk(str);
Trace.TraceInformation(str);
var ret = new LoginCheckerResponse(LoginResponse.Code.Banned);
ret.LoginResponse.BanReason = reason;
return ret;
}
public async Task<LoginCheckerResponse> Login(Login login, string ip)
{
await semaphore.WaitAsync();
try
{
var userID = login.UserID;
var lobbyVersion = login.LobbyVersion;
using (var db = new ZkDataContext())
{
if (!VerifyIp(ip)) return new LoginCheckerResponse(LoginResponse.Code.Banned, "Too many conneciton attempts");
var acc = db.Accounts.Include(x => x.Clan).Include(x => x.Faction).FirstOrDefault(x => x.Name == login.Name);
if (acc == null)
{
LogIpFailure(ip);
return new LoginCheckerResponse(LoginResponse.Code.InvalidName, "Invalid user name");
}
if (!acc.VerifyPassword(login.PasswordHash))
{
LogIpFailure(ip);
return new LoginCheckerResponse(LoginResponse.Code.InvalidPassword, "Invalid password");
}
var ret = new LoginCheckerResponse(LoginResponse.Code.Ok, null);
var user = ret.User;
acc.Country = ResolveCountry(ip);
if ((acc.Country == null) || string.IsNullOrEmpty(acc.Country)) acc.Country = "unknown";
acc.LobbyVersion = lobbyVersion;
acc.LastLogin = DateTime.UtcNow;
user.LobbyVersion = login.LobbyVersion;
user.IpAddress = ip;
UpdateUserFromAccount(user, acc);
LogIP(db, acc, ip);
LogUserID(db, acc, userID);
db.SaveChanges();
ret.LoginResponse.SessionToken = Guid.NewGuid().ToString(); // create session token
var banPenalty = Punishment.GetActivePunishment(acc.AccountID, ip, userID, x => x.BanLobby);
if (banPenalty != null)
return
BlockLogin(
$"Banned until {banPenalty.BanExpires} (match to {banPenalty.AccountByAccountID.Name}), reason: {banPenalty.Reason}",
acc,
ip,
userID);
if (!acc.HasVpnException && GlobalConst.VpnCheckEnabled) if (HasVpn(ip, acc, db)) return BlockLogin("Connection using proxy or VPN is not allowed! (You can ask for exception)", acc, ip, userID);
return ret;
}
}
finally
{
semaphore.Release();
}
}
public async Task <LoginCheckerResponse> DoLogin(Login login, string ip)
{
await semaphore.WaitAsync();
try
{
var userID = login.UserID;
var lobbyVersion = login.LobbyVersion;
using (var db = new ZkDataContext())
{
if (!VerifyIp(ip))
{
return(new LoginCheckerResponse(LoginResponse.Code.BannedTooManyConnectionAttempts));
}
SteamWebApi.PlayerInfo info = null;
if (!string.IsNullOrEmpty(login.SteamAuthToken))
{
info = await server.SteamWebApi.VerifyAndGetAccountInformation(login.SteamAuthToken);
if (info == null)
{
LogIpFailure(ip);
return(new LoginCheckerResponse(LoginResponse.Code.InvalidSteamToken));
}
}
Account accBySteamID = null;
Account accByLogin = null;
if (info != null)
{
accBySteamID = db.Accounts.Include(x => x.Clan).Include(x => x.Faction).FirstOrDefault(x => x.SteamID == info.steamid);
}
if (!string.IsNullOrEmpty(login.Name))
{
var loginToUpper = login.Name.ToUpper();
accByLogin = db.Accounts.Include(x => x.Clan).Include(x => x.Faction).FirstOrDefault(x => x.Name == login.Name) ?? db.Accounts.Include(x => x.Clan).Include(x => x.Faction).FirstOrDefault(x => x.Name.ToUpper() == loginToUpper);
}
if (accBySteamID == null)
{
if (accByLogin == null)
{
LogIpFailure(ip);
if (!string.IsNullOrEmpty(login.Name))
{
return(new LoginCheckerResponse(LoginResponse.Code.InvalidName));
}
else
{
return(new LoginCheckerResponse(LoginResponse.Code.SteamNotLinkedAndLoginMissing));
}
}
if (string.IsNullOrEmpty(login.PasswordHash) || !accByLogin.VerifyPassword(login.PasswordHash))
{
LogIpFailure(ip);
return(new LoginCheckerResponse(LoginResponse.Code.InvalidPassword));
}
}
var acc = accBySteamID ?? accByLogin;
var ret = new LoginCheckerResponse(LoginResponse.Code.Ok);
ret.LoginResponse.Name = acc.Name;
var user = ret.User;
acc.Country = ResolveCountry(ip);
if ((acc.Country == null) || string.IsNullOrEmpty(acc.Country))
{
acc.Country = "??";
}
acc.LobbyVersion = lobbyVersion;
acc.LastLogin = DateTime.UtcNow;
if (info != null)
{
if (db.Accounts.Any(x => x.SteamID == info.steamid && x.Name != acc.Name))
{
LogIpFailure(ip);
return(new LoginCheckerResponse(LoginResponse.Code.SteamLinkedToDifferentAccount));
}
acc.SteamID = info.steamid;
acc.SteamName = info.personaname;
}
user.LobbyVersion = login.LobbyVersion;
user.IpAddress = ip;
UpdateUserFromAccount(user, acc);
LogIP(db, acc, ip);
LogUserID(db, acc, userID);
db.SaveChanges();
ret.LoginResponse.SessionToken = Guid.NewGuid().ToString(); // create session token
var banPenalty = Punishment.GetActivePunishment(acc.AccountID, ip, userID, x => x.BanLobby);
if (banPenalty != null)
{
return
(BlockLogin(
$"Banned until {banPenalty.BanExpires} (match to {banPenalty.AccountByAccountID.Name}), reason: {banPenalty.Reason}",
acc,
ip,
userID));
}
if (!acc.HasVpnException && GlobalConst.VpnCheckEnabled)
{
if (HasVpn(ip, acc, db))
{
return(BlockLogin("Connection using proxy or VPN is not allowed! (You can ask for exception)", acc, ip, userID));
}
}
return(ret);
}
}
finally
{
semaphore.Release();
}
}
public async Task <LoginCheckerResponse> DoLogin(Login login, string ip, List <ulong> dlc)
{
var limit = MiscVar.ZklsMaxUsers;
if (limit > 0 && server.ConnectedUsers.Count >= limit)
{
return(new LoginCheckerResponse(LoginResponse.Code.ServerFull));
}
await semaphore.WaitAsync();
try
{
var userID = login.UserID;
var installID = login.InstallID;
var lobbyVersion = login.LobbyVersion;
using (var db = new ZkDataContext())
{
if (!VerifyIp(ip))
{
return(new LoginCheckerResponse(LoginResponse.Code.BannedTooManyConnectionAttempts));
}
SteamWebApi.PlayerInfo info = null;
if (!string.IsNullOrEmpty(login.SteamAuthToken))
{
info = await server.SteamWebApi.VerifyAndGetAccountInformation(login.SteamAuthToken);
if (info == null)
{
LogIpFailure(ip);
return(new LoginCheckerResponse(LoginResponse.Code.InvalidSteamToken));
}
}
Account accBySteamID = null;
Account accByLogin = null;
if (info != null)
{
accBySteamID = db.Accounts.Include(x => x.Clan).Include(x => x.Faction).FirstOrDefault(x => x.SteamID == info.steamid);
}
if (!string.IsNullOrEmpty(login.Name))
{
accByLogin = db.Accounts.Include(x => x.Clan).Include(x => x.Faction).FirstOrDefault(x => x.Name == login.Name) ?? db.Accounts.Include(x => x.Clan).Include(x => x.Faction).FirstOrDefault(x => x.Name.Equals(login.Name, StringComparison.CurrentCultureIgnoreCase));
}
if (accBySteamID == null)
{
if (accByLogin == null)
{
LogIpFailure(ip);
if (!string.IsNullOrEmpty(login.Name))
{
return(new LoginCheckerResponse(LoginResponse.Code.InvalidName));
}
else
{
return(new LoginCheckerResponse(LoginResponse.Code.SteamNotLinkedAndLoginMissing));
}
}
if (string.IsNullOrEmpty(login.PasswordHash) || !accByLogin.VerifyPassword(login.PasswordHash))
{
LogIpFailure(ip);
return(new LoginCheckerResponse(LoginResponse.Code.InvalidPassword));
}
}
var acc = accBySteamID ?? accByLogin;
var ret = new LoginCheckerResponse(LoginResponse.Code.Ok);
ret.LoginResponse.Name = acc.Name;
var user = ret.User;
acc.Country = ResolveCountry(ip);
if ((acc.Country == null) || string.IsNullOrEmpty(acc.Country))
{
acc.Country = "??";
}
acc.LobbyVersion = lobbyVersion;
acc.LastLogin = DateTime.UtcNow;
if (info != null)
{
if (db.Accounts.Any(x => x.SteamID == info.steamid && x.Name != acc.Name))
{
LogIpFailure(ip);
return(new LoginCheckerResponse(LoginResponse.Code.SteamLinkedToDifferentAccount));
}
acc.SteamID = info.steamid;
acc.SteamName = info.personaname;
}
user.LobbyVersion = login.LobbyVersion;
user.IpAddress = ip;
acc.VerifyAndAddDlc(dlc);
UpdateUserFromAccount(user, acc);
LogIP(db, acc, ip);
LogUserID(db, acc, userID, installID);
if (String.IsNullOrEmpty(installID) && !acc.HasVpnException)
{
await server.GhostChanSay(GlobalConst.ModeratorChannel, string.Format("{0} just logged in with an unsupported lobby https://zero-k.info/Users/AdminUserDetail/{1}", acc.Name, acc.AccountID));
}
db.SaveChanges();
ret.LoginResponse.SessionToken = Guid.NewGuid().ToString(); // create session token
var banPenalty = Punishment.GetActivePunishment(acc.AccountID, ip, userID, installID, x => x.BanLobby);
if (banPenalty != null)
{
return
(BlockLogin(
$"Banned until {banPenalty.BanExpires} (match to {banPenalty.AccountByAccountID.Name}), reason: {banPenalty.Reason}",
acc,
ip,
userID,
installID));
}
if (!acc.HasVpnException && GlobalConst.VpnCheckEnabled)
{
if (HasVpn(ip, acc, db))
{
return(BlockLogin("Connection using proxy or VPN is not allowed! (You can ask for exception)", acc, ip, userID, installID));
}
}
return(ret);
}
}
finally
{
semaphore.Release();
}
}