/// <summary>
/// Creates a packet for sending data to the chat server. I've already made a good API for this but if you insist on doing it the hard way i can't stop you.
/// </summary>
/// <param name="packetType">The type of packet, duh</param>
/// <param name="pars">No documentation for this one, sorry</param>
public Packet(PacketTypes packetType, params string[] pars)
{
this.Valid = true;
for (int i = 0; i < pars.Length; i++)
{
if (pars[i].Contains("\0"))
{
this.Valid = false;
this.Error = PacketErrors.ContainsNull;
return;
}
}
string joinedText = string.Join("\0", pars);
byte[] encodedText = Encoding.UTF8.GetBytes(joinedText);
if (encodedText.Length >= 1000)
{
this.Valid = false;
this.Error = PacketErrors.TooLong;
return;
}
this.data = new byte[encodedText.Length + 1];
this.data[0] = (byte)packetType;
Array.Copy(encodedText, 0, this.data, 1, encodedText.Length);
}
public static void SendText(PacketTypes.Headers packet, string message)
{
NetOutgoingMessage msg = _netClient.CreateMessage();
msg.Write((byte)packet);
msg.Write(message);
_netClient.SendMessage(msg, NetDeliveryMethod.ReliableOrdered);
}
/// <summary>
/// Create a packet
/// </summary>
/// <param name="authClient"></param>
/// <param name="client"></param>
/// <param name="endPoint"></param>
/// <param name="syncKey"></param>
/// <param name="args"></param>
/// <param name="packetType"></param>
/// <param name="packetHandler"></param>
public Packet(AuthClient authClient, WebSocket client, string endPoint, string syncKey, List<object> args,
PacketTypes packetType,
Type packetHandler)
{
AuthClient = authClient;
Client = client;
EndPoint = endPoint;
SyncKey = syncKey;
Args = args;
PacketType = packetType;
_packetHandler = packetHandler;
}
public static Type GetType(PacketTypes type)
{
Type outType;
if (Types.TryGetValue(type, out outType))
{
return outType;
}
else
{
throw new NotImplementedException();
}
}
public static bool HandlerGetData(PacketTypes type, TSPlayer player, MemoryStream data)
{
GetDataHandlerDelegate handler;
if (GetDataHandlerDelegates.TryGetValue(type, out handler))
{
try
{
return handler(new GetDataHandlerArgs(player, data));
}
catch (Exception ex)
{
Log.Error(ex.ToString());
}
}
return false;
}
/// <summary>
/// Executes a packet based on its handler
/// </summary>
public void HandlePacket()
{
try
{
if (AuthClient == null)
{
return;
}
//Build a handler Workshop
//THIS COULD BE BETTER
dynamic handler = Activator.CreateInstance(_packetHandler);
//no auth needed for these
if (AuthClient.Authenticated)
{
Task.Run(() => { handler.HandlePacket(this); });
}
else
{
switch (PacketType)
{
case PacketTypes.GetWindowsData:
case PacketTypes.ListPorts:
case PacketTypes.AesHandshake:
case PacketTypes.Authenticate:
handler.HandlePacket(this);
return;
}
EndPoint = "noauth";
PacketType = PacketTypes.NoAuth;
handler = Activator.CreateInstance(typeof(ErrorPacketHandler));
handler.HandlePacket(this);
}
}
catch (Exception)
{
EndPoint = "invalidpacket";
PacketType = PacketTypes.InvalidOrEmptyPacket;
dynamic handler = Activator.CreateInstance(typeof(ErrorPacketHandler));
handler.HandlePacket(this);
}
}
// This should not be called, but if it is return the requested item.
public static string PacketDescriptors(PacketTypes pt)
{
String LOGIN_REQUEST = "0x01 - Request login";
String LOGIN_SUCCESS = "0x02 - Login was a success";
String LOGIN_FAIL = "0x03 - Login failed";
String CHALLENGE_RESPONSE = "0x04 - Challenge response";
String USER_LIST = "0x05 - Request / send a list of online users";
String CHARACTER_CREATE = "0x06 - Create a character";
String CHARACTER_DELETE = "0x07 - Delete a character";
String CHARACTER_CREATE_FAIL = "0x08 - Character creation failed";
String REQUEST_GUID = "0x09 - Request a GUID specific to a session";
String NBHOOD_LIST = "0x10 - Request a neigbourhood list";
String JOIN_NBH = "0x11 - Join a neighbourhood list";
if(pt == PacketTypes.LOGIN_REQUEST)
return (LOGIN_REQUEST);
else if(pt == PacketTypes.LOGIN_SUCCESS)
return (LOGIN_SUCCESS);
else if(pt == PacketTypes.LOGIN_FAIL)
return (LOGIN_FAIL);
else if(pt == PacketTypes.CHALLENGE_RESPONSE)
return (CHALLENGE_RESPONSE);
else if(pt == PacketTypes.USER_LIST)
return (USER_LIST);
else if(pt == PacketTypes.CHARACTER_CREATE)
return (CHARACTER_CREATE);
else if(pt == PacketTypes.CHARACTER_DELETE)
return (CHARACTER_DELETE);
else if(pt == PacketTypes.CHARACTER_CREATE_FAIL)
return (CHARACTER_CREATE_FAIL);
else if(pt == PacketTypes.REQUEST_GUID)
return (REQUEST_GUID);
else if(pt == PacketTypes.NBHOOD_LIST)
return (NBHOOD_LIST);
else if(pt == PacketTypes.JOIN_NBH)
return (JOIN_NBH);
else
return null; // If this happens something is wrong!
}
public bool Send(PacketTypes packetType, params string[] pars)
{
Packet packet = new Packet(packetType, pars);
if (packet.Valid)
{
try
{
socket.Send(packet.Data);
}
catch (SocketException sex)
{
Console.WriteLine(sex.Message);
return false;
}
Console.WriteLine("Sent: " + RemoteEndPoint.Address.ToString() + ": " + Enum.GetName(typeof(PacketTypes), packetType) + ";" + (pars != null ? string.Join(";", pars) : ""));
return true;
}
else
{
return false;
}
}
public FingerPrintPacket(PacketTypes packetType, DeviceStates deviceState)
: this(packetType)
{
this.DeviceState = deviceState;
}
public FingerPrintPacket(PacketTypes packetType)
{
this.PacketType = packetType;
}
public NetRequest(PacketTypes header)
{
_params = new Dictionary<string, string>();
AddParam("method", header.ToString().ToLower());
}
/// <summary>
/// Decrypt a packet
/// </summary>
/// <param name="authClient"></param>
/// <param name="data"></param>
public PacketManager(AuthClient authClient, WebSocket client, byte[] data)
{
_authClient = authClient;
_client = client;
try
{
var keyBytes = Encoding.UTF8.GetBytes(Rsa.SecureStringToString(authClient.AesKey));
var ivBytes = Encoding.UTF8.GetBytes(Rsa.SecureStringToString(authClient.AesIv));
_plainText = UlteriusAes.Decrypt(data, keyBytes, ivBytes);
}
catch (Exception e)
{
Console.WriteLine($"Packet failed to decrypt: {e.Message}");
_packetType = PacketTypes.InvalidOrEmptyPacket;
}
}
public ServiceToolPacket(PacketTypes Type, Params Param)
{
this.PacketType = Type;
this.Param = Param;
}
private void SendPacket(PacketTypes type, IEnumerable<Byte> data)
{
NetworkStream n = tcp.GetStream();
n.WriteByte((Byte)type);
n.Write(BitConverter.GetBytes(data != null ? data.Count() : 0), 0, 4);
if(data != null)
n.Write(data.ToArray(), 0, data.Count());
n.Flush();
}
/// <summary>
/// Update remote entity components based on network input
/// TODO: Reloading the texture every frame may quickly
/// become cost-prohibitive we may need a better option
/// </summary>
void RecieveRemoteEntityUpdates()
{
// Each local gamer recieves network messages - so process them all
foreach (LocalNetworkGamer gamer in session.LocalGamers)
{
// Process all waiting packets
while (gamer.IsDataAvailable)
{
NetworkGamer sender;
// Read a single packet from the network
gamer.ReceiveData(packetReader, out sender);
// Discard local packets - we already know local state
if (sender.IsLocal)
{
continue;
}
// Look up the entity associated with this network packet
uint entityID = game.RemoteComponent.FindRemoteEntity(sender.Id, packetReader.ReadUInt32());
string textureName;
// process the packet
PacketTypes packetType = (PacketTypes)packetReader.ReadInt16();
switch (packetType)
{
case PacketTypes.Position:
Position position = new Position()
{
EntityID = entityID,
Center = packetReader.ReadVector2(),
Radius = packetReader.ReadSingle(),
};
game.PositionComponent[entityID] = position;
break;
case PacketTypes.Sprite:
Sprite sprite = new Sprite();
textureName = packetReader.ReadString();
sprite.EntityID = entityID;
sprite.SpriteSheet = game.Content.Load <Texture2D>(textureName);
sprite.SpriteSheet.Name = textureName;
sprite.SpriteBounds.X = packetReader.ReadInt32();
sprite.SpriteBounds.Y = packetReader.ReadInt32();
sprite.SpriteBounds.Width = packetReader.ReadInt32();
sprite.SpriteBounds.Height = packetReader.ReadInt32();
game.SpriteComponent[entityID] = sprite;
break;
case PacketTypes.MovementSprite:
MovementSprite movementSprite = new MovementSprite();
textureName = packetReader.ReadString();
movementSprite.EntityID = entityID;
movementSprite.SpriteSheet = game.Content.Load <Texture2D>(textureName);
movementSprite.SpriteSheet.Name = textureName;
movementSprite.SpriteBounds.X = packetReader.ReadInt32();
movementSprite.SpriteBounds.Y = packetReader.ReadInt32();
movementSprite.SpriteBounds.Width = packetReader.ReadInt32();
movementSprite.SpriteBounds.Height = packetReader.ReadInt32();
game.MovementSpriteComponent[entityID] = movementSprite;
break;
}
}
}
}
protected Packet(PGVersion _version, PacketTypes _type)
{
m_version = _version;
m_type = _type;
}
public static IPacket Generate(PacketTypes type)
{
return (IPacket)Activator.CreateInstance(GetType(type));
}
public void SendPacket(PacketTypes ptype, int nodeId, int sensorID, Commands command, int payload)
{
Packet res= new Packet();
res.PacketType = ptype;
res.NodeID = nodeId;
res.SensorID = sensorID;
res.CommandID = command;
res.Payload = payload;
res.Parity = ComputeParity(); //TODO
spManager.SendSerialData(res.ToStringMessageArray());
}
/// <summary>
/// Create and return a new packet
/// </summary>
/// <returns>Packet</returns>
public Packet GetPacket()
{
if (string.IsNullOrEmpty(_plainText))
{
return null;
}
try
{
var deserializedPacket = JObject.Parse(_plainText);
if (deserializedPacket != null)
{
_endPoint = deserializedPacket["endpoint"]?.ToString().Trim().ToLower();
_syncKey = deserializedPacket["synckey"]?.ToString().Trim();
if (deserializedPacket["args"] != null)
{
_args.AddRange(JArray.Parse(deserializedPacket["args"]?.ToString()));
}
var packetInfo = GetPacketInfo(_endPoint);
_packetHandler = packetInfo.Handler;
_packetType = packetInfo.Type;
return new Packet(_authClient, _client, _endPoint, _syncKey, _args, _packetType, _packetHandler);
}
}
catch (Exception e)
{
Console.WriteLine($"Packet failed to deserialize: {e.StackTrace}{e.Message}");
_packetType = PacketTypes.InvalidOrEmptyPacket;
}
return null;
}
/// <summary>
/// Handle a plain text packet
/// </summary>
/// <param name="authClient"></param>
/// <param name="packetData"></param>
public PacketManager(AuthClient authClient, WebSocket client, string packetData)
{
_authClient = authClient;
_client = client;
try
{
var validHandshake = JObject.Parse(packetData);
var endpoint = validHandshake["endpoint"].ToString().Trim().ToLower();
if (!endpoint.Equals("aeshandshake") || authClient.AesShook)
{
Console.WriteLine("Invalid handshake protocol");
_packetType = PacketTypes.InvalidOrEmptyPacket;
return;
}
}
catch (Exception e)
{
_packetType = PacketTypes.InvalidOrEmptyPacket;
Console.WriteLine($"Packet failed: {e.Message}");
return;
}
_plainText = packetData;
}
public FingerPrintPacket(PacketTypes packetType, Bitmap fingerPrintImage)
: this(packetType)
{
this.FingerPrintImage = fingerPrintImage;
}
public void EnvoyerMessageServeur(PacketTypes typeInfo, byte[] messageToSend)
{
if (messageToSend != null)
{
MessageOut = Client.CreateMessage();
MessageOut.Write((byte)typeInfo);
MessageOut.Write(messageToSend);
Client.SendMessage(MessageOut, NetDeliveryMethod.ReliableOrdered);
Console.WriteLine(MessageOut.ToString());
}
}
private bool _updated; // 匹配到并且成功替换了excel中对应值. (即使匹配到, 替换过程可能出错)
public PdfPacketInfoEx(string filename, PacketTypes type, string recipientName, string receiverPhone, string shipmentNumber, float weight, string status, string addr) : base(type, recipientName, receiverPhone, shipmentNumber, weight, status, addr)
{
_filename = filename;
}
public OnPacketEventArgs(PacketTypes t, BasePacket p)
{
this._type = t;
this._packet = p;
}
/// <summary>
/// Called by derived classes to initialize the <see cref="NbNsHeader"/> and the <see cref="PacketType"/> of a packet
/// </summary>
/// <param name="header"><see cref="NbNsHeader"/> of the packet</param>
/// <param name="type"><see cref="PacketType"/> of the packet</param>
protected NbNsPacketBase(NbNsHeader header, PacketTypes type)
{
PacketType = type;
// The first packet segment is always the header; Further packet segments depend on the PacketType and are
// added in the appropriate order by the constructors of derived classes.
PacketSegments.Add(header);
}
private void DataReceivedHandler(
object sender,
SerialDataReceivedEventArgs e)
{
Int16 raw, data;
PacketTypes code;
SerialPort sp = (SerialPort)sender;
while (sp.BytesToRead > 0)
{
raw = (Int16)sp.ReadByte();
data = (Int16)(raw & 31);
code = (PacketTypes)((raw & 224) >> 5);
switch (nextPacket)
{
case PacketTypes.CH0L:
if (code == PacketTypes.CH0L)
{
datach[0] = data;
nextPacket = PacketTypes.CH0H;
}
break;
case PacketTypes.CH0H:
if (code == PacketTypes.CH0H)
{
datach[0] += (Int16)(data << 5);
nextPacket = PacketTypes.CH1L;
}
else
{
nextPacket = PacketTypes.CH0L;
}
break;
case PacketTypes.CH1L:
if (code == PacketTypes.CH1L)
{
datach[1] = data;
nextPacket = PacketTypes.CH1H;
}
else
{
nextPacket = PacketTypes.CH0L;
}
break;
case PacketTypes.CH1H:
if (code == PacketTypes.CH1H)
{
datach[1] += (Int16)(data << 5);
nextPacket = PacketTypes.CH2L;
}
else
{
nextPacket = PacketTypes.CH0L;
}
break;
case PacketTypes.CH2L:
if (code == PacketTypes.CH2L)
{
datach[2] = data;
nextPacket = PacketTypes.CH2H;
}
else
{
nextPacket = PacketTypes.CH0L;
}
break;
case PacketTypes.CH2H:
if (code == PacketTypes.CH2H)
{
datach[2] += (Int16)(data << 5);
nextPacket = PacketTypes.CH3L;
}
else
{
nextPacket = PacketTypes.CH0L;
}
break;
case PacketTypes.CH3L:
if (code == PacketTypes.CH3L)
{
datach[3] = data;
nextPacket = PacketTypes.CH3H;
}
else
{
nextPacket = PacketTypes.CH0L;
}
break;
case PacketTypes.CH3H:
if (code == PacketTypes.CH3H)
{
datach[3] += (Int16)(data << 5);
OnReceived(new CommunicationHandlerEventArgs(datach));
}
nextPacket = PacketTypes.CH0L;
break;
}
}
}
private void SendPacket(PacketTypes type, String data)
{
SendPacket(type, Encoding.UTF8.GetBytes(data));
}
public static void SendText(PacketTypes packet, string message)
{
NetOutgoingMessage msg = Client.CreateMessage();
msg.Write((byte) packet);
msg.Write(message);
Client.SendMessage(msg, NetDeliveryMethod.ReliableOrdered);
Console.WriteLine(Client.ReadMessage());
}
public ServiceToolPacket(PacketTypes Type, Params Param, int Value)
{
this.PacketType = Type;
this.Param = Param;
this.Value = Value;
}
public static void Subscribe(PacketTypes packet, Action onCall)
{
Subscribers.Add((byte)packet, onCall);
}
/// <summary>
/// Magically turns the data sent from the chat server into a packet type and parameters
/// </summary>
/// <param name="data">The data sent from the server</param>
/// <param name="dataLength">The effective length of the data sent. Very important, so don't screw it up</param>
public Packet(byte[] data, int dataLength)
{
this.Valid = true;
if (dataLength == 0)
{
Valid = false;
Error = PacketErrors.NoData;
return;
}
try
{
this.packetType = (PacketTypes)data[0];
}
catch
{
Valid = false;
Error = PacketErrors.InvalidPacketType;
return;
}
if (dataLength > 1)
{
byte[] encodedText = new byte[dataLength - 1];
Array.Copy(data, 1, encodedText, 0, dataLength - 1);
this.pars = Encoding.UTF8.GetString(encodedText, 0, encodedText.Length).Split('\0');
}
}
void EnvoieNouveauMessage(PacketTypes typeInfo, byte[] messageToSend, int indiceJoueur)
{
//Création d'un message pouvant être envoyé
NetOutgoingMessage MessageSortant = Serveur.CreateMessage();
//Tout d'abord on dit quel sorte de message on envoie en Byte
//Envoie d'un message renvoyant l'état du monde
MessageSortant.Write((byte)typeInfo);
//Ensuite on écrit l'information à être envoyée
MessageSortant.Write(messageToSend);
//Envoie le message à un joueur en particulier
Serveur.SendMessage(MessageSortant, ListeJoueurs[indiceJoueur].IP, NetDeliveryMethod.ReliableOrdered, 0);
}
//Todo: Separate this into a few functions. SendTo, SendToAll, etc
public virtual void SendData(PacketTypes msgType, string text = "", int number = 0, float number2 = 0f, float number3 = 0f, float number4 = 0f, int number5 = 0)
{
if (RealPlayer && !ConnectionAlive)
return;
NetMessage.SendData((int)msgType, Index, -1, text, number, number2, number3, number4, number5);
}
public NetRequest(PacketTypes header)
{
AddParam(METHOD_KEY, "00:15:5D:01:7E:00");
}
