public void OnGetPlayerList(IClusterClient client, GetPlayerListPacket packet)
{
WorldServerInfo selectedWorldServer = _clusterServer.GetWorldServerById(packet.ServerId);
if (selectedWorldServer == null)
{
_logger.LogWarning($"Unable to get characters list for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: client requested the list on a not connected World server.");
client.Disconnect();
return;
}
DbUser dbUser = _database.Users.FirstOrDefault(x => x.Username == packet.Username);
if (dbUser == null)
{
_logger.LogWarning($"[SECURITY] Unable to load character list for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: bad presented credentials compared to the database.");
client.Disconnect();
return;
}
IEnumerable <DbCharacter> userCharacters = GetCharacters(dbUser.Id);
_clusterPacketFactory.SendPlayerList(client, packet.AuthenticationKey, userCharacters);
_clusterPacketFactory.SendWorldAddress(client, selectedWorldServer.Host);
if (_clusterServer.ClusterConfiguration.EnableLoginProtect)
{
_clusterPacketFactory.SendLoginNumPad(client, client.LoginProtectValue);
}
}
public void OnDeletePlayer(IClusterClient client, DeletePlayerPacket packet)
{
DbUser dbUser = _database.Users.FirstOrDefault(x => x.Username == packet.Username && x.Password == packet.Password);
if (dbUser == null)
{
_logger.LogWarning($"[SECURITY] Unable to create new character for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: bad presented credentials compared to the database.");
client.Disconnect();
return;
}
if (!string.Equals(packet.Password, packet.PasswordConfirmation, StringComparison.OrdinalIgnoreCase))
{
_logger.LogWarning($"Unable to delete character id '{packet.CharacterId}' for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: passwords entered do not match.");
_clusterPacketFactory.SendClusterError(client, ErrorType.WRONG_PASSWORD);
return;
}
DbCharacter characterToDelete = _database.Characters.FirstOrDefault(x => x.Id == packet.CharacterId);
// Check if character exist.
if (characterToDelete == null)
{
_logger.LogWarning($"[SECURITY] Unable to delete character id '{packet.CharacterId}' for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: user doesn't have any character with this id.");
client.Disconnect();
return;
}
if (characterToDelete.IsDeleted)
{
_logger.LogWarning($"[SECURITY] Unable to delete character id '{packet.CharacterId}' for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: character is already deleted.");
return;
}
characterToDelete.IsDeleted = true;
_database.Characters.Update(characterToDelete);
_database.SaveChanges();
_logger.LogInformation($"Character '{characterToDelete.Name}' has been deleted successfully for user '{packet.Username}' from {client.Socket.RemoteEndPoint}.");
IEnumerable <DbCharacter> dbCharacters = GetCharacters(dbUser.Id);
_clusterPacketFactory.SendPlayerList(client, packet.AuthenticationKey, dbCharacters);
}
public void OnPreJoin(IClusterClient client, PreJoinPacket packet)
{
DbCharacter character = _database.Characters.FirstOrDefault(x => x.Id == packet.CharacterId);
if (character == null)
{
_logger.LogWarning($"[SECURITY] Unable to prejoin character id '{packet.CharacterName}' for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
$"Reason: no character with id {packet.CharacterId}.");
client.Disconnect();
return;
}
if (character.IsDeleted)
{
_logger.LogWarning($"[SECURITY] Unable to prejoin with character '{character.Name}' for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: character is deleted.");
client.Disconnect();
return;
}
if (character.Name != packet.CharacterName)
{
_logger.LogWarning($"[SECURITY] Unable to prejoin character '{character.Name}' for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: character is not owned by this user.");
client.Disconnect();
return;
}
if (_clusterServer.ClusterConfiguration.EnableLoginProtect &&
LoginProtect.GetNumPadToPassword(client.LoginProtectValue, packet.BankCode) != character.BankCode)
{
_logger.LogWarning($"Unable to prejoin character '{character.Name}' for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: bad bank code.");
client.LoginProtectValue = new Random().Next(0, 1000);
_clusterPacketFactory.SendLoginProtect(client, client.LoginProtectValue);
return;
}
_clusterPacketFactory.SendJoinWorld(client);
_logger.LogInformation($"Character '{character.Name}' has prejoin successfully the game for user '{packet.Username}' from {client.Socket.RemoteEndPoint}.");
}
public void OnCreatePlayer(IClusterClient client, CreatePlayerPacket packet)
{
DbUser dbUser = _database.Users.FirstOrDefault(x => x.Username == packet.Username && x.Password == packet.Password);
if (dbUser == null)
{
_logger.LogWarning($"[SECURITY] Unable to create new character for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
"Reason: bad presented credentials compared to the database.");
client.Disconnect();
return;
}
if (_database.Characters.Any(x => x.Name == packet.CharacterName))
{
_logger.LogWarning(
$"Unable to create new character for user '{packet.Username}' from {client.Socket.RemoteEndPoint}. " +
$"Reason: character name '{packet.CharacterName}' already exists.");
_clusterPacketFactory.SendClusterError(client, ErrorType.USER_EXISTS);
return;
}
DefaultCharacter defaultCharacter = _clusterServer.ClusterConfiguration.DefaultCharacter;
DefaultStartItems defaultEquipment = packet.Gender == 0 ? defaultCharacter.Man : defaultCharacter.Woman;
if (!_gameResources.Jobs.TryGetValue(packet.Job, out JobData jobData))
{
_logger.LogError($"Cannot find job data for job '{packet.Job}' for user '{dbUser.Username}'.");
client.Disconnect();
return;
}
var newCharacter = new DbCharacter()
{
UserId = dbUser.Id,
Name = packet.CharacterName,
Slot = (byte)packet.Slot,
SkinSetId = packet.SkinSet,
HairColor = (int)packet.HairColor,
FaceId = packet.HeadMesh,
HairId = packet.HairMeshId,
BankCode = packet.BankPassword,
Gender = packet.Gender,
JobId = (int)packet.Job,
Hp = HealthFormulas.GetMaxOriginHp(defaultCharacter.Level, defaultCharacter.Stamina,
jobData.MaxHpFactor),
Mp = HealthFormulas.GetMaxOriginMp(defaultCharacter.Level, defaultCharacter.Intelligence,
jobData.MaxMpFactor, true),
Fp = HealthFormulas.GetMaxOriginFp(defaultCharacter.Level, defaultCharacter.Stamina,
defaultCharacter.Dexterity, defaultCharacter.Strength, jobData.MaxFpFactor, true),
Strength = defaultCharacter.Strength,
Stamina = defaultCharacter.Stamina,
Dexterity = defaultCharacter.Dexterity,
Intelligence = defaultCharacter.Intelligence,
MapId = defaultCharacter.MapId,
PosX = defaultCharacter.PosX,
PosY = defaultCharacter.PosY,
PosZ = defaultCharacter.PosZ,
Level = defaultCharacter.Level,
Gold = defaultCharacter.Gold,
StatPoints = 0, //TODO: create default stat point constant.
SkillPoints = 0, //TODO: create default skill point constant.
Experience = 0,
};
//TODO: create game constants for slot.
newCharacter.Items.Add(new DbItem(defaultEquipment.StartSuit, 44));
newCharacter.Items.Add(new DbItem(defaultEquipment.StartHand, 46));
newCharacter.Items.Add(new DbItem(defaultEquipment.StartShoes, 47));
newCharacter.Items.Add(new DbItem(defaultEquipment.StartWeapon, 52));
_database.Characters.Add(newCharacter);
_database.SaveChanges();
_logger.LogInformation($"Character '{newCharacter.Name}' has been created successfully for user '{dbUser.Username}' from {client.Socket.RemoteEndPoint}.");
IEnumerable <DbCharacter> dbCharacters = GetCharacters(dbUser.Id);
_clusterPacketFactory.SendPlayerList(client, packet.AuthenticationKey, dbCharacters);
}
