public static AuthKey Get(string authenticationKey)
{
if (!String.IsNullOrEmpty(authenticationKey))
{
string plainText = Cryptography.Decrypt(authenticationKey);
if (!String.IsNullOrEmpty(plainText))
{
string[] values = plainText.Split('|');
if (values != null && values.Length >= 4)
{
var token = new AuthKey(new Guid(values[0]), values[2], 0, null);
long ticks;
if (Int64.TryParse(values[1], out ticks))
{
token.Date = new DateTime(ticks);
}
int id;
if (Int32.TryParse(values[3], out id))
{
token.ID = id;
}
if (values.Length > 4)
{
for (int i = 4; i < values.Length; i++)
{
token.Args.Add(values[i]);
}
}
return(token);
}
}
}
return(AuthKey.Empty);
}
public string GetUserNameFromCommand(RdlCommand cmd)
{
if (cmd.Group != null)
{
AuthKey key = AuthKey.Get(cmd.Group.AuthKey);
return(key.UserName);
}
return(String.Empty);
}
/// <summary>
/// Processes commands in the context of the virtual world.
/// </summary>
/// <param name="requestHandler">The ICommunicationHandler processing the request from the client.</param>
/// <param name="commands">The commands to process.</param>
/// <returns>The IClient instance of the current requestor.</returns>
public IClient ProcessCommands(ICommunicationHandler requestHandler, RdlCommandGroup commands, Guid sessionId, string address)
{
bool addClient = false;
IClient client = null;
if (commands.Count > 0)
{
if (!String.IsNullOrEmpty(commands.AuthKey))
{
AuthKey key = AuthKey.Get(commands.AuthKey);
if (this.ValidateAuthKey(key))
{
// Clients are stored with the UserName of the current user as the key. This
// should prevent a user from playing multiple characters at the same time unless
// they have multiple user names, which violates the TOS.
if (!this.Clients.ContainsKey(key.SessionId))
{
client = requestHandler.CreateClient(key.SessionId);
client.Address = address;
client.UserName = key.UserName;
addClient = true;
}
else
{
client = this.Clients[key.SessionId];
}
if (client != null)
{
//client.LastHeartbeatDate = DateTime.Now;
client.AuthKey = key;
}
}
}
else
{
// New client will implement the LoginCommandHandler.
client = requestHandler.CreateClient(sessionId);
client.Address = address;
addClient = true;
}
if (addClient)
{
this.Clients.Add(client);
this.World.Provider.CreateSession(client, client.SessionId.ToString());
Logger.LogDebug("SERVER: New client connected from: {0}", client.SessionId.ToString());
}
if (client != null)
{
ProcessCommands(client, commands);
}
}
return(client);
}
/// <summary>
/// Creates a player instance in the virtual world.
/// </summary>
/// <param name="context">The current IMessageContext of the requestor.</param>
/// <param name="cmd">The RdlCommand containing the player parameters.</param>
/// <param name="player">The player instance to create.</param>
public bool CreatePlayer(IMessageContext context, RdlCommand cmd, IPlayer player)
{
// Command arguments are grouped into key:value pairs, each argument is a key:value pair.
// Find the user from rdlcommandgroup associated with this command.
bool success = false;
string message = SR.CreateCharacterInvalidUser;
if (cmd.Group != null)
{
AuthKey key = AuthKey.Get(cmd.Group.AuthKey);
//=================================================================================
// Ensure the user can create additional character.
//=================================================================================
UserDetail user = this.Provider.GetUserDetail(key.UserName);
if (user == null)
{
// Use the default error message.
goto finished;
}
int playerCount = this.Provider.GetPlayers(user.UserName).Count;
if (user.MaxCharacters == 0)
{
// Preset the max characters to the world default.
user.MaxCharacters = this.DefaultMaxCharacters;
this.Provider.SaveUserDetail(user);
}
if (playerCount >= user.MaxCharacters)
{
message = SR.CreateCharacterMaxExceeded(this.DefaultMaxCharacters);
goto finished;
}
player.Properties.SetValue("UserName", user.UserName);
//=================================================================================
// Parse the key:value pairs.
//=================================================================================
foreach (var item in cmd.Args)
{
if (item != null)
{
string[] pairs = item.ToString().Split(':');
if (pairs != null && pairs.Length == 2)
{
if (pairs[0].ToLower().Equals("name"))
{
player.Name = pairs[1];
}
else
{
player.Properties.SetValue(pairs[0], pairs[1]);
}
}
}
}
//=================================================================================
// Validate player name.
//=================================================================================
if (!this.IsValidName(player.Name, out message))
{
goto finished;
}
//=================================================================================
// Ensure a gender is specified.
//=================================================================================
if (player.Gender == Gender.None)
{
message = SR.CreateCharacterInvalidGender;
goto finished;
}
//=================================================================================
// Ensure a race is specified.
//=================================================================================
if (String.IsNullOrEmpty(player.Race) || !this.Races.ContainsKey(player.Race))
{
message = SR.CreateCharacterInvalidRace;
goto finished;
}
// Set the player's location from the race instance.
player.Location = this.Races[player.Race].StartingLocation;
//=================================================================================
// Ensure that attributes are within acceptable range.
//=================================================================================
int attrTotal = 0;
foreach (var item in player.Attributes)
{
if (item.Value < -1 || item.Value > 8)
{
message = SR.CreateCharacterAttributeOutOfRange(item.Key);
goto finished;
}
else
{
attrTotal += item.Value;
}
}
int raceDefaultAttrTotal = 0;
foreach (var item in this.Races[player.Race].Attributes)
{
if (item.Value > 0)
{
raceDefaultAttrTotal += item.Value;
}
}
// The max number of attribute points depends largely on the value of the attributes selected.
if (attrTotal > (AttributeList.MaxAttributePoints + raceDefaultAttrTotal)) // plus race bonus defaults
{
message = SR.CreateCharacterAttributePointsOverLimit;
goto finished;
}
//=================================================================================
// Set Body and Mind values.
//=================================================================================
int body = player.Attributes.Stamina * this.RealismMultiplier;
int mind = player.Attributes.Endurance * this.PowerMultiplier;
if (body == 0)
{
body = 4;
}
player.SetBody(body, body);
player.SetMind(mind, mind);
//=================================================================================
// Ensure that skills contain acceptable values and that they do not exceed 32 in value.
//=================================================================================
double skillTotal = 0;
foreach (var item in player.Skills)
{
if (item.Value < 0 || item.Value > SkillManager.MaxSkillPointsInCharacterCreation)
{
message = SR.CreateCharacterSkillOutOfRange(item.Key);
goto finished;
}
else
{
skillTotal += item.Value;
}
}
if ((int)skillTotal > SkillManager.MaxSkillPointsInCharacterCreation)
{
message = SR.CreateCharacterSkillPointsOverLimit;
goto finished;
}
//=================================================================================
// Add any missing skills to the players list of skills.
//=================================================================================
foreach (var skill in this.Skills)
{
if (!player.Skills.ContainsKey(skill.Key))
{
player.Skills.Add(skill.Key, 0);
}
}
//=================================================================================
// Check to ensure the name has not been taken and it passes the word filter.
//=================================================================================
if (!this.IsValidName(player.Name, out message))
{
goto finished;
}
//=================================================================================
// Save the player instance and send back a success message.
//=================================================================================
this.Provider.SavePlayer <IPlayer>(player);
if (player.ID > 0)
{
success = true;
message = SR.CreateCharacterSuccess;
}
}
finished:
context.Add(new RdlCommandResponse(cmd.TypeName, success, message));
return(success);
}
private bool ValidateAuthKey(AuthKey key)
{
return(this.World.Provider.ValidateAuthKey(key));
}
