public static void HandleNewAccount(Int32 id, DataBuffer buffer)
{
// Handles a user's request to register an account.
var username = buffer.ReadString().Trim();
var password = buffer.ReadString().Trim();
var legal = new Regex("^[a-zA-Z0-9]*$");
// Check if the user isn't sending too long/short data.
if (username.Trim().Length < Data.Settings.MinUsernameChar || username.Trim().Length > Data.Settings.MaxUsernameChar || password.Trim().Length < Data.Settings.MinPasswordChar || password.Trim().Length > Data.Settings.MaxPasswordChar)
{
Send.AlertMessage(id, String.Format("Your username must be between {0} and {1} characters long. Your password must be between {2} and {3} characters long.", Data.Settings.MinUsernameChar, Data.Settings.MaxUsernameChar, Data.Settings.MinPasswordChar, Data.Settings.MaxPasswordChar));
return;
}
// Check if the user isn't sending any unallowed characters.
if (!legal.IsMatch(username))
{
Send.AlertMessage(id, "Invalid username, only letters and numbers are allowed in names.");
return;
}
// Check if this account already exists.
if (File.Exists(String.Format("{0}data files\\accounts\\{1}.xml", Data.AppPath, username.ToLower())))
{
Send.AlertMessage(id, "Sorry, that account name is already taken!");
return;
}
// Now we can finaly start creating the account!
Data.Players[id].Username = username;
Data.Players[id].SetPassword(password); // Always use this over setting the password directly! This hashes and salts it.
// Save the player!
Data.SavePlayer(id);
Logger.Write(String.Format("ID: {0} has created a new account named '{1}'.", id, username));
// Send them our OK!
Send.LoginOK(id);
// Send our player the data required to create a new character!
Send.NewCharacterData(id);
}
public static void HandleAddCharacter(Int32 id, DataBuffer buffer)
{
var legal = new Regex("^[a-zA-Z0-9]*$");
var name = buffer.ReadString().Trim();
var classn = buffer.ReadInt32();
var gender = buffer.ReadByte();
// Make sure this player exists.
if (!Data.Players.ContainsKey(id))
{
return;
}
// Make sure the name is at least X characters long.
if (name.Length < Data.Settings.MinUsernameChar)
{
Send.AlertMessage(id, String.Format("Character name must be at least {0} characters in length.", Data.Settings.MinUsernameChar));
return;
}
// Make sure they only entered regular characters.
if (!legal.IsMatch(name))
{
Send.AlertMessage(id, "Invalid name, only letters and numbers are allowed in names.");
return;
}
// Check if the name is already in use or not.
if (Data.Characters.Contains(name))
{
Send.AlertMessage(id, "A character with this name already exists!");
return;
}
// Check if there's a slot left to use!
var slot = -1;
for (var i = 0; slot < Data.Players[id].Characters.Length; i++)
{
if (Data.Players[id].Characters[i].Name.Length < 1)
{
slot = i;
break;
}
}
if (slot < 0)
{
Send.AlertMessage(id, "Unable to create character.");
return;
}
// We've come this far, we can add this character!
Data.Characters.Add(name);
Data.Players[id].Characters[slot].Name = name;
Data.Players[id].Characters[slot].Gender = (Byte)gender;
Data.Players[id].Characters[slot].Class = classn;
Data.Players[id].Characters[slot].Sprite = gender == (Int32)Enumerations.Gender.Male ? Data.Classes[classn].MaleSprite : Data.Classes[classn].FemaleSprite;
Data.Players[id].Characters[slot].Level = 1;
Data.Players[id].Characters[slot].Map = Data.Settings.StartMap;
Data.Players[id].Characters[slot].X = Data.Settings.StartX;
Data.Players[id].Characters[slot].Y = Data.Settings.StartY;
Data.Players[id].Characters[slot].Direction = (Int32)Enumerations.Direction.Down;
for (var i = 0; i < (Int32)Enumerations.Stats.Stat_Count; i++)
{
Data.Players[id].Characters[slot].Statistic[i] = Data.Classes[classn].Statistic[i];
}
// Save our data!
Data.SaveCharacterList();
Data.SavePlayer(id);
// Notify our user!
Logger.Write(String.Format("ID: {0} has created a character named '{1}'.", id, name));
HandleData.HandleUseCharacter(id, slot);
}
public static void HandleLogin(Int32 id, DataBuffer buffer)
{
// Handles a user's request to login.
var username = buffer.ReadString().Trim();
var password = buffer.ReadString().Trim();
// Check if the user isn't sending too long/short data.
if (username.Trim().Length < Data.Settings.MinUsernameChar || username.Trim().Length > Data.Settings.MaxUsernameChar || password.Trim().Length < Data.Settings.MinPasswordChar || password.Trim().Length > Data.Settings.MaxPasswordChar)
{
Send.AlertMessage(id, String.Format("Your username must be between {0} and {1} characters long. Your password must be between {2} and {3} characters long.", Data.Settings.MinUsernameChar, Data.Settings.MaxUsernameChar, Data.Settings.MinPasswordChar, Data.Settings.MaxPasswordChar));
return;
}
// Check if this account exists.
if (!File.Exists(String.Format("{0}data files\\accounts\\{1}.xml", Data.AppPath, username.ToLower())))
{
Send.AlertMessage(id, "Invalid Username/Password!");
return;
}
// Load our player!
Data.LoadPlayer(id, username.ToLower());
// Compare their passwords!
if (!Data.Players[id].ComparePassword(password))
{
Send.AlertMessage(id, "Invalid Username/Password!");
Data.Players[id] = new Extensions.Database.Player();
return;
}
// Send our OK.
Logger.Write(String.Format("ID: {0} has logged in as {1}", id, Data.Players[id].Username));
Send.LoginOK(id);
// Disconnect anyone else logged into this account.
var oldclient = 0;
for (var i = 0; i < Data.Players.Count; i++)
{
var key = Data.Players.ElementAt(i).Key;
if (Data.Players[key].Username.ToLower().Equals(username.ToLower()) && key != id)
{
oldclient = key;
}
}
if (oldclient != 0)
{
Send.AlertMessage(oldclient, "Someone else has logged onto your account!");
Logger.Write(String.Format("ID: {0} conflicts with a login at ID: {1}, Disconnecting ID: {1}", id, oldclient));
Data.SavePlayer(oldclient);
// NOTE: the user is still logged on until they get this message, we're saving their data on purpose.
// Their data will now be saved twice, but we can safely load it.
Data.LoadPlayer(id, username.ToLower());
// Now remove the old player from the world by force.
Program.Server.DisconnectClient(oldclient);
}
// Check if they have at least one character.
var haschars = false;
foreach (var chr in Data.Players[id].Characters)
{
if (chr.Name.Length > 0)
{
haschars = true;
}
}
// If we have characters, show character select.
// Otherwise force the user to make a new character.
if (haschars)
{
Send.SelectCharacterData(id);
}
else
{
Send.NewCharacterData(id);
}
}