public static void Switch(GPCMClient client, Dictionary <string, string> recv, GPCMConnectionUpdate OnSuccessfulLogin, GPCMStatusChanged OnStatusChanged)
{
string command = recv.Keys.First();
try
{
switch (command)
{
case "inviteto":
InviteToHandler.AddFriends(client, recv);
break;
case "login":
LoginHandler.ProcessLogin(client, recv, OnSuccessfulLogin, OnStatusChanged);
break;
case "getprofile":
GetProfileHandler.SendProfile(client, recv);
break;
case "addbuddy":
AddBuddyHandler.Addfriends(client, recv);
break;
case "delbuddy":
DelBuddyHandler.Handle(client, recv);
break;
case "updateui":
UpdateUiHandler.UpdateUi(client, recv);
break;
case "updatepro":
UpdateProHandler.UpdateUser(client, recv);
break;
case "registernick":
RegisterNickHandler.RegisterNick(client, recv);
break;
case "logout":
client.DisconnectByReason(DisconnectReason.NormalLogout);
break;
case "status":
StatusHandler.UpdateStatus(client, recv, OnStatusChanged);
break;
case "newuser":
NewUserHandler.NewUser(client, recv);
break;
case "ka":
KAHandler.SendKeepAlive(client);
break;
default:
LogWriter.Log.Write("[GPCM] received unknown data " + command, LogLevel.Debug);
GameSpyUtils.SendGPError(client, GPErrorCode.General, "An invalid request was sended.");
break;
}
}
catch (Exception e)
{
LogWriter.Log.WriteException(e);
}
}
/// <summary>
/// This method verifies the login information sent by
/// the client, and returns encrypted data for the client
/// to verify as well
/// </summary>
public static void ProcessLogin(GPCMClient client, Dictionary <string, string> recv, GPCMConnectionUpdate OnSuccessfulLogin, GPCMStatusChanged OnStatusChanged)
{
uint partnerID = 0;
// Make sure we have all the required data to process this login
//if (!recv.ContainsKey("challenge") || !recv.ContainsKey("response"))
//{
// GameSpyUtils.SendGPError(client, GPErrorCode.General, "Invalid response received from the client!");
// client.DisconnectByReason(DisconnectReason.InvalidLoginQuery);
// return;
//}
if (IsContainAllKeys(recv) != GPErrorCode.NoError)
{
GameSpyUtils.SendGPError(client, GPErrorCode.General, "Invalid response received from the client!");
client.DisconnectByReason(DisconnectReason.InvalidLoginQuery);
return;
}
// Parse the partnerid, required since it changes the challenge for Unique nick and User login
ParseRequestToPlayerInfo(client, recv, ref partnerID);
// Dispose connection after use
try
{
// Try and fetch the user from the database
Dictionary <string, object> queryResult;
try
{
if (client.PlayerInfo.PlayerUniqueNick.Length > 0)
{
queryResult = LoginQuery.GetUserFromUniqueNick(recv);
}
else if (client.PlayerInfo.PlayerAuthToken.Length > 0)
{
//TODO! Add the database entry
GameSpyUtils.SendGPError(client, GPErrorCode.General, "AuthToken is not supported yet");
return;
}
else
{
queryResult = LoginQuery.GetUserFromNickAndEmail(recv);
}
}
catch (Exception ex)
{
LogWriter.Log.WriteException(ex);
GameSpyUtils.SendGPError(client, GPErrorCode.DatabaseError, "This request cannot be processed because of a database error.");
return;
}
//if no match found we disconnect the game
if (queryResult == null)
{
if (client.PlayerInfo.PlayerUniqueNick.Length > 0)
{
GameSpyUtils.SendGPError(client, GPErrorCode.LoginBadUniquenick, "The uniquenick provided is incorrect!");
}
else
{
GameSpyUtils.SendGPError(client, GPErrorCode.LoginBadUniquenick, "The information provided is incorrect!");
}
client.DisconnectByReason(DisconnectReason.InvalidUsername);
return;
}
// Check if user is banned
string msg;
DisconnectReason reason;
GPErrorCode error = CheckUsersAccountAvailability(queryResult, out msg, out reason);
if (error != GPErrorCode.NoError)
{
GameSpyUtils.SendGPError(client, error, msg);
client.DisconnectByReason(reason);
return;
}
// we finally set the player variables and return challengeData
string challengeData = SetPlayerInfo(client, queryResult, recv);
string sendingBuffer;
// Use the GenerateProof method to compare with the "response" value. This validates the given password
if (recv["response"] == GenerateProof(recv["challenge"], client.ServerChallengeKey, challengeData, client.PlayerInfo.PlayerAuthToken.Length > 0 ? 0 : partnerID, client.PlayerInfo))
{
// Create session key
client.SessionKey = Crc.ComputeChecksum(client.PlayerInfo.PlayerUniqueNick);
//actually we should store sesskey in database at namespace table, when we want someone's profile we just
//access to the sesskey to find the uniquenick for particular game
LoginQuery.UpdateSessionKey(recv, client.SessionKey, client.PlayerInfo);
// Password is correct
sendingBuffer = string.Format(@"\lc\2\sesskey\{0}\proof\{1}\userid\{2}\profileid\{2}\uniquenick\{3}\lt\{4}__\id\1\final\",
client.SessionKey,
GenerateProof(client.ServerChallengeKey, recv["challenge"], challengeData, client.PlayerInfo.PlayerAuthToken.Length > 0 ? 0 : partnerID, client.PlayerInfo), // Do this again, Params are reversed!
client.PlayerInfo.PlayerId,
client.PlayerInfo.PlayerUniqueNick,
// Generate LT whatever that is (some sort of random string, 22 chars long)
GameSpyLib.Common.Random.GenerateRandomString(22, GameSpyLib.Common.Random.StringType.Hex)
);
//Send response to client
client.Send(sendingBuffer);
// Log Incoming Connections
//LogWriter.Log.Write(LogLevel.Info, "{0,-8} [Login] {1} - {2} - {3}", client.ServerName, client.PlayerInfo.PlayerNick, client.PlayerInfo.PlayerId, RemoteEndPoint);
//string statusString = string.Format(" [Login Success!] Nick:{0} - Profileid:{1} - IP:{2}", client.PlayerInfo.PlayerNick, client.PlayerInfo.PlayerId, client.RemoteEndPoint);
client.StatusToLog("Login Success", client.PlayerInfo.PlayerNick, client.PlayerInfo.PlayerId, client.RemoteEndPoint, null);
// Update status last, and call success login
client.PlayerInfo.LoginStatus = LoginStatus.Completed;
client.PlayerInfo.PlayerStatus = PlayerStatus.Online;
client.PlayerInfo.PlayerStatusString = "Online";
client.PlayerInfo.PlayerStatusLocation = "";
client.CompletedLoginProcess = true;
OnSuccessfulLogin?.Invoke(client);
OnStatusChanged?.Invoke(client);
SendBuddiesHandler.HandleSendBuddies(client, recv);
}
else
{
// Log Incoming Connection
string statusString = string.Format(@"[Login Failed!] Nick:{0} - Profileid:{1} - IP:{2}", client.PlayerInfo.PlayerNick, client.PlayerInfo.PlayerId, client.RemoteEndPoint);
client.ToLog(LogLevel.Info, statusString);
// Password is incorrect with database value.
client.Send(@"\error\\err\260\fatal\\errmsg\The password provided is incorrect.\id\1\final\");
client.DisconnectByReason(DisconnectReason.InvalidPassword);
}
}
catch (Exception ex)
{
LogWriter.Log.Write(ex.ToString(), LogLevel.Error);
client.DisconnectByReason(DisconnectReason.GeneralError);
return;
}
}
