/// <summary>
/// Main listner loop. Keeps an open stream between the client and server while
/// the client is logged in / playing
/// </summary>
private void OnDataReceived(TCPStream stream, string message)
{
if (stream != Stream)
{
return;
}
// Read client message, and parse it into key value pairs
string[] recieved = message.TrimStart('\\').Split('\\');
switch (recieved[0])
{
case "inviteto":
AddProducts(PresenceServer.ConvertToKeyValue(recieved));
break;
case "newuser":
CreateNewUser(PresenceServer.ConvertToKeyValue(recieved));
break;
case "login":
ProcessLogin(PresenceServer.ConvertToKeyValue(recieved));
break;
case "getprofile":
SendProfile(PresenceServer.ConvertToKeyValue(recieved));
break;
case "updatepro":
UpdateUser(PresenceServer.ConvertToKeyValue(recieved));
break;
case "logout":
Disconnect(DisconnectReason.NormalLogout);
break;
case "status":
UpdateStatus(PresenceServer.ConvertToKeyValue(recieved));
break;
case "ka":
SendKeepAlive();
break;
default:
LogWriter.Log.Write("Received unknown request " + recieved[0], LogLevel.Debug);
PresenceServer.SendError(stream, 0, "An invalid request was sended.");
stream.Close();
break;
}
}
/// <summary>
/// Whenever the "newuser" command is recieved, this method is called to
/// add the new users information into the database
/// </summary>
/// <param name="Recv">Array of parms sent by the server</param>
private void CreateNewUser(Dictionary <string, string> Recv)
{
// Make sure the user doesnt exist already
try
{
// Check to see if user exists
if (DatabaseUtility.UserExists(databaseDriver, Recv["nick"]))
{
Stream.SendAsync(@"\error\\err\516\fatal\\errmsg\This account name is already in use!\id\1\final\");
Disconnect(DisconnectReason.CreateFailedUsernameExists);
return;
}
// We need to decode the Gamespy specific encoding for the password
string Password = GamespyUtils.DecodePassword(Recv["passwordenc"]);
string Cc = (RemoteEndPoint.AddressFamily == AddressFamily.InterNetwork)
//? GeoIP.GetCountryCode(RemoteEndPoint.Address)
//: "US";
? "US" : "US";
// Attempt to create account. If Pid is 0, then we couldnt create the account. TODO: Handle Unique Nickname
if ((PlayerId = DatabaseUtility.CreateUser(databaseDriver, Recv["nick"], Password, Recv["email"], Cc, Recv["nick"])) == 0)
{
PresenceServer.SendError(Stream, 516, "An error oncurred while creating the account!");
Disconnect(DisconnectReason.CreateFailedDatabaseError);
return;
}
Stream.SendAsync(@"\nur\\userid\{0}\profileid\{0}\id\1\final\", PlayerId);
}
catch (Exception e)
{
// Check for invalid query params
if (e is KeyNotFoundException)
{
PresenceServer.SendError(Stream, 516, "Invalid response received from the client!");
}
else
{
PresenceServer.SendError(Stream, 516, "An error oncurred while creating the account!");
LogWriter.Log.Write("An error occured while trying to create a new User account :: " + e.Message, LogLevel.Error);
}
Disconnect(DisconnectReason.GeneralError);
return;
}
}
/// <summary>
/// This method is called when the client requests for the Account profile
/// </summary>
private void SendProfile(Dictionary <string, string> dict)
{
if (!dict.ContainsKey("profileid"))
{
PresenceServer.SendError(Stream, 1, "There was an error parsing an incoming request.");
return;
}
uint targetPID = 0, messID = 0;
if (!uint.TryParse(dict["profileid"], out targetPID))
{
PresenceServer.SendError(Stream, 1, "There was an error parsing an incoming request.");
return;
}
if (!uint.TryParse(dict["id"], out messID))
{
PresenceServer.SendError(Stream, 1, "There was an error parsing an incoming request.");
return;
}
string datatoSend = @"\pi\\profileid\" + targetPID + @"\mp\4";
// If the client want to access the public information
// of another client
if (targetPID != PlayerId)
{
uint publicMask = 0;
var Query = DatabaseUtility.GetProfileInfo(databaseDriver, targetPID);
if (Query == null)
{
PresenceServer.SendError(Stream, 4, "Unable to get profile information.");
return;
}
if (!uint.TryParse(Query["publicmask"].ToString(), out publicMask))
{
publicMask = (uint)PublicMasks.MASK_NONE;
}
datatoSend = string.Format(datatoSend + @"\nick\{0}\uniquenick\{1}\id\{2}", Query["nick"].ToString(), Query["uniquenick"].ToString(), messID);
if (Query["email"].ToString().Length > 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
if ((publicMask & (uint)PublicMasks.MASK_EMAIL) > 0)
{
datatoSend += @"\email\" + Query["email"].ToString();
}
}
if (Query["lastname"].ToString().Length > 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\lastname\" + Query["lastname"].ToString();
}
if (Query["firstname"].ToString().Length > 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\firstname\" + Query["firstname"].ToString();
}
if (int.Parse(Query["icq"].ToString()) != 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\icquin\" + int.Parse(Query["icq"].ToString());
}
if (PlayerHomepage.Length > 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
if ((publicMask & (uint)PublicMasks.MASK_HOMEPAGE) > 0)
{
datatoSend += @"\homepage\" + Query["homepage"].ToString();
}
}
if (uint.Parse(Query["picture"].ToString()) != 0)
{
datatoSend += @"\pic\" + uint.Parse(Query["Show"].ToString());
}
if (Query["aim"].ToString().Length > 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\aim\" + Query["aim"].ToString();
}
if (int.Parse(Query["occupationid"].ToString()) != 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\occ\" + int.Parse(Query["occupationid"].ToString());
}
if (Query["zipcode"].ToString().Length > 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
if ((publicMask & (uint)PublicMasks.MASK_ZIPCODE) > 0)
{
datatoSend += @"\zipcode\" + Query["zipcode"].ToString();
}
}
if (Query["countrycode"].ToString().Length > 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
if ((publicMask & (uint)PublicMasks.MASK_COUNTRYCODE) > 0)
{
datatoSend += @"\countrycode\" + Query["countrycode"].ToString();
}
}
if (ushort.Parse(Query["birthday"].ToString()) > 0 && ushort.Parse(Query["birthmonth"].ToString()) > 0 && ushort.Parse(Query["birthyear"].ToString()) > 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
if ((publicMask & (uint)PublicMasks.MASK_BIRTHDAY) > 0)
{
datatoSend += @"\birthday\" + (uint)((ushort.Parse(Query["birthday"].ToString()) << 24) | (ushort.Parse(Query["birthmonth"].ToString()) << 16) | ushort.Parse(Query["birthyear"].ToString()));
}
}
if (Query["location"].ToString().Length > 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\loc\" + Query["location"].ToString();
}
if (publicMask != (uint)PublicMasks.MASK_NONE && (publicMask & (uint)PublicMasks.MASK_SEX) > 0)
{
PlayerSexType sexType;
if (Enum.TryParse(Query["sex"].ToString(), out sexType))
{
if (PlayerSex == PlayerSexType.FEMALE)
{
datatoSend += @"\sex\1";
}
else if (PlayerSex == PlayerSexType.MALE)
{
datatoSend += @"\sex\0";
}
}
}
if (float.Parse(Query["latitude"].ToString()) != 0.0f && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\lat\" + float.Parse(Query["latitude"].ToString());
}
if (float.Parse(Query["longitude"].ToString()) != 0.0f && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\lon\" + float.Parse(Query["longitude"].ToString());
}
if (int.Parse(Query["incomeid"].ToString()) != 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\inc\" + int.Parse(Query["incomeid"].ToString());
}
if (int.Parse(Query["industryid"].ToString()) != 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\ind\" + int.Parse(Query["industryid"].ToString());
}
if (int.Parse(Query["marriedid"].ToString()) != 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\mar\" + int.Parse(Query["marriedid"].ToString());
}
if (int.Parse(Query["childcount"].ToString()) != 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\chc\" + int.Parse(Query["childcount"].ToString());
}
if (int.Parse(Query["interests1"].ToString()) != 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\i1\" + int.Parse(Query["interests1"].ToString());
}
if (int.Parse(Query["ownership1"].ToString()) != 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\o1\" + int.Parse(Query["ownership1"].ToString());
}
if (int.Parse(Query["connectiontype"].ToString()) != 0 && publicMask != (uint)PublicMasks.MASK_NONE)
{
datatoSend += @"\conn\" + int.Parse(Query["connectiontype"].ToString());
}
// SUPER NOTE: Please check the Signature of the PID, otherwise when it will be compared with other peers, it will break everything (See gpiPeer.c @ peerSig)
datatoSend += @"\sig\" + GameSpyLib.Random.GenerateRandomString(33, GameSpyLib.Random.StringType.Hex) + @"\final\";
}
else
{
// Since this is our profile, we have to see ALL informations that we can edit. This means that we don't need to check the public masks for sending
// the data
datatoSend = string.Format(datatoSend + @"\nick\{0}\uniquenick\{1}\email\{2}\id\{3}\pmask\{4}", PlayerNick, PlayerUniqueNick, PlayerEmail, /*(ProfileSent ? "5" : "2")*/ messID, PlayerPublicMask);
if (PlayerLastName.Length > 0)
{
datatoSend += @"\lastname\" + PlayerLastName;
}
if (PlayerFirstName.Length > 0)
{
datatoSend += @"\firstname\" + PlayerFirstName;
}
if (PlayerICQ != 0)
{
datatoSend += @"\icquin\" + PlayerICQ;
}
if (PlayerHomepage.Length > 0)
{
datatoSend += @"\homepage\" + PlayerHomepage;
}
if (PlayerPicture != 0)
{
datatoSend += @"\pic\" + PlayerPicture;
}
if (PlayerAim.Length > 0)
{
datatoSend += @"\aim\" + PlayerAim;
}
if (PlayerOccupation != 0)
{
datatoSend += @"\occ\" + PlayerOccupation;
}
if (PlayerZIPCode.Length > 0)
{
datatoSend += @"\zipcode\" + PlayerZIPCode;
}
if (PlayerCountryCode.Length > 0)
{
datatoSend += @"\countrycode\" + PlayerCountryCode;
}
if (PlayerBirthday > 0 && PlayerBirthmonth > 0 && PlayerBirthyear > 0)
{
datatoSend += @"\birthday\" + (uint)((PlayerBirthday << 24) | (PlayerBirthmonth << 16) | PlayerBirthyear);
}
if (PlayerLocation.Length > 0)
{
datatoSend += @"\loc\" + PlayerLocation;
}
if (PlayerSex == PlayerSexType.FEMALE)
{
datatoSend += @"\sex\1";
}
else if (PlayerSex == PlayerSexType.MALE)
{
datatoSend += @"\sex\0";
}
if (PlayerLatitude != 0.0f)
{
datatoSend += @"\lat\" + PlayerLatitude;
}
if (PlayerLongitude != 0.0f)
{
datatoSend += @"\lon\" + PlayerLongitude;
}
if (PlayerIncomeID != 0)
{
datatoSend += @"\inc\" + PlayerIncomeID;
}
if (PlayerIndustryID != 0)
{
datatoSend += @"\ind\" + PlayerIndustryID;
}
if (PlayerMarried != 0)
{
datatoSend += @"\mar\" + PlayerMarried;
}
if (PlayerChildCount != 0)
{
datatoSend += @"\chc\" + PlayerChildCount;
}
if (PlayerInterests != 0)
{
datatoSend += @"\i1\" + PlayerInterests;
}
if (PlayerOwnership != 0)
{
datatoSend += @"\o1\" + PlayerOwnership;
}
if (PlayerConnectionType != 0)
{
datatoSend += @"\conn\" + PlayerConnectionType;
}
// SUPER NOTE: Please check the Signature of the PID, otherwise when it will be compared with other peers, it will break everything (See gpiPeer.c @ peerSig)
datatoSend += @"\sig\" + GameSpyLib.Random.GenerateRandomString(33, GameSpyLib.Random.StringType.Hex) + @"\final\";
// Set that we send the profile initially
if (!ProfileSent)
{
ProfileSent = true;
}
}
Stream.SendAsync(datatoSend);
}
/// <summary>
/// This method verifies the login information sent by
/// the client, and returns encrypted data for the client
/// to verify as well
/// </summary>
public void ProcessLogin(Dictionary <string, string> Recv)
{
uint partnerID = 0;
// Make sure we have all the required data to process this login
if (!Recv.ContainsKey("challenge") || !Recv.ContainsKey("response"))
{
PresenceServer.SendError(Stream, 0, "Invalid response received from the client!");
Disconnect(DisconnectReason.InvalidLoginQuery);
return;
}
// Parse the partnerid, required since it changes the challenge for Unique nick and User login
if (Recv.ContainsKey("partnerid"))
{
if (!uint.TryParse(Recv["partnerid"], out partnerID))
{
partnerID = 0;
}
}
// Parse the 3 login types information
if (Recv.ContainsKey("uniquenick"))
{
PlayerUniqueNick = Recv["uniquenick"];
}
else if (Recv.ContainsKey("authtoken"))
{
PlayerAuthToken = Recv["authtoken"];
}
else if (Recv.ContainsKey("user"))
{
// "User" is <nickname>@<email>
string User = Recv["user"];
int Pos = User.IndexOf('@');
PlayerNick = User.Substring(0, Pos);
PlayerEmail = User.Substring(Pos + 1);
}
// Dispose connection after use
try
{
// Try and fetch the user from the database
Dictionary <string, object> QueryResult;
try
{
if (PlayerUniqueNick != null)
{
QueryResult = DatabaseUtility.GetUserFromUniqueNick(databaseDriver, Recv["uniquenick"]);
}
else if (PlayerAuthToken != null)
{
//TODO! Add the database entry
PresenceServer.SendError(Stream, 0, "AuthToken is not supported yet");
return;
}
else
{
QueryResult = DatabaseUtility.GetUserFromNickname(databaseDriver, PlayerEmail, PlayerNick);
}
}
catch (Exception)
{
PresenceServer.SendError(Stream, 4, "This request cannot be processed because of a database error.");
return;
}
if (QueryResult == null)
{
if (PlayerUniqueNick != null)
{
PresenceServer.SendError(Stream, 265, "The unique nickname provided is incorrect!");
}
else
{
PresenceServer.SendError(Stream, 265, "The nickname provided is incorrect!");
}
Disconnect(DisconnectReason.InvalidUsername);
return;
}
// Check if user is banned
PlayerStatus currentPlayerStatus;
UserStatus currentUserStatus;
if (!Enum.TryParse(QueryResult["status"].ToString(), out currentPlayerStatus))
{
PresenceServer.SendError(Stream, 265, "Invalid player data! Please contact an administrator.");
Disconnect(DisconnectReason.InvalidPlayer);
return;
}
if (!Enum.TryParse(QueryResult["userstatus"].ToString(), out currentUserStatus))
{
PresenceServer.SendError(Stream, 265, "Invalid player data! Please contact an administrator.");
Disconnect(DisconnectReason.InvalidPlayer);
return;
}
// Check the status of the account.
// If the single profile is banned, the account or the player status
if (currentPlayerStatus == PlayerStatus.Banned)
{
PresenceServer.SendError(Stream, 265, "Your profile has been permanently suspended.");
Disconnect(DisconnectReason.PlayerIsBanned);
return;
}
if (currentUserStatus == UserStatus.Created)
{
PresenceServer.SendError(Stream, 265, "Your account is not verified. Please check your email inbox and verify the account.");
Disconnect(DisconnectReason.PlayerIsBanned);
return;
}
if (currentUserStatus == UserStatus.Banned)
{
PresenceServer.SendError(Stream, 265, "Your account has been permanently suspended.");
Disconnect(DisconnectReason.PlayerIsBanned);
return;
}
// Set player variables
PlayerId = uint.Parse(QueryResult["profileid"].ToString());
PasswordHash = QueryResult["password"].ToString().ToLowerInvariant();
PlayerCountryCode = QueryResult["countrycode"].ToString();
PlayerFirstName = QueryResult["firstname"].ToString();
PlayerLastName = QueryResult["lastname"].ToString();
PlayerICQ = int.Parse(QueryResult["icq"].ToString());
PlayerHomepage = QueryResult["homepage"].ToString();
PlayerZIPCode = QueryResult["zipcode"].ToString();
PlayerLocation = QueryResult["location"].ToString();
PlayerAim = QueryResult["aim"].ToString();
PlayerOwnership = int.Parse(QueryResult["ownership1"].ToString());
PlayerOccupation = int.Parse(QueryResult["occupationid"].ToString());
PlayerIndustryID = int.Parse(QueryResult["industryid"].ToString());
PlayerIncomeID = int.Parse(QueryResult["incomeid"].ToString());
PlayerMarried = int.Parse(QueryResult["marriedid"].ToString());
PlayerChildCount = int.Parse(QueryResult["childcount"].ToString());
PlayerConnectionType = int.Parse(QueryResult["connectiontype"].ToString());
PlayerPicture = int.Parse(QueryResult["picture"].ToString());
PlayerInterests = int.Parse(QueryResult["interests1"].ToString());
PlayerBirthday = ushort.Parse(QueryResult["birthday"].ToString());
PlayerBirthmonth = ushort.Parse(QueryResult["birthmonth"].ToString());
PlayerBirthyear = ushort.Parse(QueryResult["birthyear"].ToString());
PlayerSexType playerSexType;
if (!Enum.TryParse(QueryResult["sex"].ToString().ToUpper(), out playerSexType))
{
PlayerSex = PlayerSexType.PAT;
}
else
{
PlayerSex = playerSexType;
}
PlayerLatitude = float.Parse(QueryResult["latitude"].ToString());
PlayerLongitude = float.Parse(QueryResult["longitude"].ToString());
PlayerPublicMask = uint.Parse(QueryResult["publicmask"].ToString());
string challengeData = "";
if (PlayerUniqueNick != null)
{
PlayerEmail = QueryResult["email"].ToString();
PlayerNick = QueryResult["nick"].ToString();
challengeData = PlayerUniqueNick;
}
else if (PlayerAuthToken != null)
{
PlayerEmail = QueryResult["email"].ToString();
PlayerNick = QueryResult["nick"].ToString();
PlayerUniqueNick = QueryResult["uniquenick"].ToString();
challengeData = PlayerAuthToken;
}
else
{
PlayerUniqueNick = QueryResult["uniquenick"].ToString();
challengeData = Recv["user"];
}
// Use the GenerateProof method to compare with the "response" value. This validates the given password
if (Recv["response"] == GenerateProof(Recv["challenge"], ServerChallengeKey, challengeData, PlayerAuthToken != null ? 0 : partnerID))
{
// Create session key
SessionKey = Crc.ComputeChecksum(PlayerUniqueNick);
// Password is correct
Stream.SendAsync(
@"\lc\2\sesskey\{0}\proof\{1}\userid\{2}\profileid\{2}\uniquenick\{3}\lt\{4}__\id\1\final\",
SessionKey,
GenerateProof(ServerChallengeKey, Recv["challenge"], challengeData, PlayerAuthToken != null ? 0 : partnerID), // Do this again, Params are reversed!
PlayerId,
PlayerNick,
GameSpyLib.Random.GenerateRandomString(22, GameSpyLib.Random.StringType.Hex) // Generate LT whatever that is (some sort of random string, 22 chars long)
);
// Log Incoming Connections
LogWriter.Log.Write("Client Login: {0} - {1} - {2}", LogLevel.Information, PlayerNick, PlayerId, RemoteEndPoint);
// Update status last, and call success login
LoginStatus = LoginStatus.Completed;
PlayerStatus = PlayerStatus.Online;
PlayerStatusString = "Online";
PlayerStatusLocation = "";
CompletedLoginProcess = true;
OnSuccessfulLogin?.Invoke(this);
OnStatusChanged?.Invoke(this);
SendBuddies();
}
else
{
// Log Incoming Connections
LogWriter.Log.Write("Failed Login Attempt: {0} - {1} - {2}", LogLevel.Information, PlayerNick, PlayerId, RemoteEndPoint);
// Password is incorrect with database value
Stream.SendAsync(@"\error\\err\260\fatal\\errmsg\The password provided is incorrect.\id\1\final\");
Disconnect(DisconnectReason.InvalidPassword);
}
}
catch (Exception ex)
{
LogWriter.Log.Write(ex.ToString(), LogLevel.Error);
Disconnect(DisconnectReason.GeneralError);
return;
}
}
