public static void HandleLoginRequest(SOEClient sender, SOEMessage message)
{
// Setup a reader
SOEReader reader = new SOEReader(message);
// Get the login details
string clientToken = reader.ReadASCIIString();
reader.ReadUInt64();
string clientVersion = reader.ReadASCIIString();
// Correct client version?
Log.DebugFormat("Received login request from client {0}, token: {1}, version: {2}", sender.GetClientID(), clientToken, clientVersion);
string expectedClientVersion = Server.ApplicationConfiguration["ClientVersion"];
if (clientVersion != expectedClientVersion)
{
// Error!
Log.ErrorFormat("Received login request from outdated client: {0}", clientVersion);
SendLoginResponse(sender, false);
sender.Disconnect((ushort)SOEDisconnectReasons.Application);
return;
}
// Create a login request and enqueue it
LoginRequest request = new LoginRequest(sender, clientToken, clientVersion);
LoginQueue.Enqueue(request);
}
public SOEReader(SOEMessage message)
{
Stream = new MemoryStream(message.GetRaw());
// Skip the message OpCode
ReadHostInt16();
}
public SOEWriter(SOEMessage message)
{
// Message information
Data = new List<byte>(message.GetRaw());
OpCode = message.GetOpCode();
// We're a message!
IsMessage = true;
}
public static void SendLoginResponse(SOEClient client, bool success)
{
// Login Reply
SOEWriter writer = new SOEWriter((ushort)LoginMessages.LoginResponse, true);
// Success?
writer.AddBoolean(success);
// Send the reply!
SOEMessage reply = writer.GetFinalSOEMessage(client);
client.SendMessage(reply);
}
public void HandleMultiData(SOEClient sender, SOEMessage message)
{
// Setup a reader and skip the OpCode
SOEReader reader = new SOEReader(message);
int offset = 2;
// Get the data length
int dataLength = message.GetLength();
// Get the packets
while (offset < dataLength)
{
// Message size
int MessageSize = reader.ReadByte();
byte extendedMessageAmount = 0;
// If the first byte is 0xFF then:
// Read how many bytes to add, and then add that many
if (MessageSize == 0xFF)
{
// How many bytes are there?
extendedMessageAmount = reader.ReadByte();
// Add that many bytes
for (int i = 0; i < extendedMessageAmount; i++)
{
MessageSize += reader.ReadByte();
}
extendedMessageAmount++;
}
// Read the Message data from the size
byte[] data = reader.ReadBytes(MessageSize);
// Handle the Message
sender.ReceiveMessage(data);
// Move along
offset += MessageSize + extendedMessageAmount + 1;
}
}
public void HandleMultiData(SOEClient sender, SOEMessage message)
{
// Setup a reader and skip the OpCode
SOEReader reader = new SOEReader(message);
int offset = 2;
// Get the data length
int dataLength = message.GetLength();
// Get the packets
while (offset < dataLength)
{
// Message size
int MessageSize = reader.ReadByte();
byte extendedMessageAmount = 0;
// If the first byte is 0xFF then:
// Read how many bytes to add, and then add that many
if (MessageSize == 0xFF)
{
// How many bytes are there?
extendedMessageAmount = reader.ReadByte();
// Add that many bytes
for (int i = 0; i < extendedMessageAmount; i++)
{
MessageSize += reader.ReadByte();
}
extendedMessageAmount++;
}
// Read the Message data from the size
byte[] data = reader.ReadBytes(MessageSize);
// Handle the Message
sender.ReceiveMessage(data);
// Move along
offset += MessageSize + extendedMessageAmount + 1;
}
}
public static void HandleEnqueueCommand(SOEClient sender, SOEMessage message)
{
// Is this client even authed?
if (AccountManager.GetAccount(sender) == null)
{
Log.ErrorFormat("Unauthorized client tried enqueing command!");
sender.Disconnect((ushort)SOEDisconnectReasons.Terminated);
return;
}
// Setup a reader
SOEReader reader = new SOEReader(message);
// Get the length
bool hasLength = reader.ReadBoolean(); // assuming this even is "has length" or just a random 01
byte[] command = hasLength ? reader.ReadBlob() : reader.ReadToEnd();
// Handle command!
HandleCommand(sender, command);
}
public SOEMessage GetFinalSOEMessage(SOEClient client)
{
// Are we a packet?
if (!IsMessage)
{
// Yes, and there really isn't a nice way to deal with this..
client.Server.Log("[ERROR] Tried Calling 'GetFinalSOEMessage' on written SOEPacket. Returning null.");
// Welp, goodbye world! :'(
return null;
}
// Make our message
SOEMessage message = new SOEMessage(OpCode, GetRaw());
// Does this message have to be fragmented?
if (Data.Count > client.GetBufferSize())
{
// Setup a reader and keep track of our size
SOEReader reader = new SOEReader(GetRaw());
int size = message.GetLength();
// While there are fragments to be added..
while (size > 0)
{
// Store the next fragment
byte[] raw;
// Is this fragment going to be smaller than the buffer size?
if (size < client.GetBufferSize())
{
raw = reader.ReadBytes(size);
size = 0;
}
else
{
raw = reader.ReadBytes((int)client.GetBufferSize());
size -= (int)client.GetBufferSize();
}
// Add the finalized fragment
message.AddFragment(raw);
}
}
// Return the message we made
return message;
}
public void AddMessage(SOEMessage message)
{
if (IsMessage)
{
// Handle multi messages
if (OpCode == (ushort)SOEOPCodes.MULTI_MESSAGE)
{
if (message.GetOpCode() == (ushort)SOEOPCodes.MULTI_MESSAGE)
{
// Setup a reader
SOEReader reader = new SOEReader(message);
// Get the messages and add them
byte[] messages = reader.ReadToEnd();
AddBytes(messages);
}
else
{
// Get the size of the message
int size = message.GetLength();
// Is the size bigger than 255?
if (size > 0xFF)
{
// Do the stupid >255 thing
AddByte(0xFF);
size -= 0xFF;
// Get how many bytes to add
byte toAdd = (byte)((size / 0xFF) + (size % 0xFF) & 0xFF);
AddByte(toAdd);
// Add sizes until we're at a value of 0
while (size > 0)
{
// Do we not want to add 0xFF?
if (size < 0xFF)
{
// Add the rest of the size
AddByte((byte)size);
size = 0;
}
else
{
// Add 0xFF
AddByte(0xFF);
size -= 0xFF;
}
}
}
else
{
// Just do the regular size adding
AddByte((byte)(size & 0xFF));
}
// Add the actual message
AddBytes(message.GetRaw());
}
}
}
else
{
// Just add the message
AddBytes(message.GetRaw());
}
}
public void SendMessage(SOEMessage message)
{
// Send the message through the data channel
DataChannel.Send(message);
// This client is still alive
Interact();
}
private void SendMessage(SOEMessage message)
{
// Setup a writer
SOEWriter writer = new SOEWriter((ushort)SOEOPCodes.RELIABLE_DATA);
// Sequence number
ushort sequenceNumber = GetNextSequenceNumber();
writer.AddUInt16(sequenceNumber);
// Add the message
writer.AddMessage(message);
// Get the final packet and send it!
SOEPacket packet = writer.GetFinalSOEPacket(Client, true, true);
Client.SendPacket(packet);
// TODO repeat-till-acknowledged
}
private void SendFragmentedMessage(SOEMessage message)
{
// Are we already busy?
if (BusySendingFragmentedPacket)
{
// The already-busy thread will pick up our message..
FragmentedQueue.Enqueue(message);
return;
}
// Set that we're busy IMMEDIATELY! (thread-safe)
BusySendingFragmentedPacket = true;
// Setup the for loop
SOEWriter writer;
SOEPacket packet;
ushort sequenceNumber;
bool sentInitial = false;
// The rest aren't any different
for (int i = 0; i < message.GetFragmentCount(); i++)
{
// Setup a new writer
writer = new SOEWriter((ushort)SOEOPCodes.FRAGMENTED_RELIABLE_DATA);
// Are we the first packet?
if (!sentInitial)
{
// Add the total message length
writer.AddUInt32((uint)message.GetLength());
sentInitial = true;
}
// Sequence number
sequenceNumber = GetNextSequenceNumber();
writer.AddUInt16(sequenceNumber);
// Add the message fragment
writer.AddBytes(message.GetFragment(i));
// Get the final packet and send it!
packet = writer.GetFinalSOEPacket(Client, true, true);
Client.SendPacket(packet);
}
// Did any other thread add a fragmented packet?
if (FragmentedQueue.Count > 0)
{
BusySendingFragmentedPacket = false;
SendFragmentedMessage(FragmentedQueue.Dequeue());
}
}
public void Send(SOEMessage message)
{
if (message.IsFragmented)
{
SendFragmentedMessage(message);
}
else
{
SendMessage(message);
}
}
public static void HandleLoginRequest(LoginRequest request)
{
// Get variables
string loginServer = Server.ApplicationConfiguration["LoginServer"];
string apiRequest = loginServer + "consumeToken/";
JObject response = null;
using (var client = new WebClient {
Proxy = null
})
{
var values = new NameValueCollection();
values["token"] = request.Token;
var responseRaw = client.UploadValues(apiRequest, values);
var responseString = Encoding.ASCII.GetString(responseRaw);
try
{
response = JObject.Parse(responseString);
}
catch (Exception)
{
Log.Fatal("Received bad response from login server!");
Environment.Exit(0);
}
}
if (response != null)
{
bool success = response["success"].ToObject <bool>();
if (success)
{
// Get the account!
Account userAccount = response["account"].ToObject <Account>();
// Is the user banned?
if (userAccount.Banned)
{
// Report the attempt and disconnect them
Log.ErrorFormat("Received successful login for client {0} but this user is banned!",
request.Client.GetClientID());
SendLoginResponse(request.Client, false);
request.Client.Disconnect((ushort)SOEDisconnectReasons.Application);
}
else
{
// Check if they're allowed to be on this server
if (userAccount.AccessLevel < (int)Server.ApplicationConfiguration["MinimumAccessLevel"])
{
// Log the attempt
Log.ErrorFormat("Received successful login for client {0} but this user doesn't meet the required minimum access level!",
request.Client.GetClientID());
SendLoginResponse(request.Client, false);
// Disconnect them
request.Client.Disconnect((ushort)SOEDisconnectReasons.Application);
return;
}
// Send the succesful login response!
Log.Info("Successful login!");
SendLoginResponse(request.Client, true);
// Manage the account on the gateway
AccountManager.AddAccount(request.Client, userAccount);
// Send the connection to the world server
// Server.InternalManager.GetConnection("World").RouteConnection(request.Client, response.ToString());
// Gateway.InternalWorldConnection.RouteConnection(request.Client, response.ToString());
// The world server will then do a: 'Which internal connection is managing this connection?',
// assign the client a world-clientID, map clients to internal servers, and then send packets
// to us with a tagged "reciever". "reciever" will be the clientId on our side..
// Gateway1 -> { Client, 0x01 } -> World { Client, Gateway1, 0x01, 0x04 }
// Client (0x01) <- Gateway1 <- { 0x01, data } <- World { 0x04 -> 0x01 (Gateway1) }
// TODO: ^
// The world server would then send the client the Environment, World, Character, etc..
// For now, send that stuff from the gateway:
// Environment
SOEWriter commandWriter = new SOEWriter(0xA6, true);
commandWriter.AddASCIIString("live");
byte[] environmentCommand = commandWriter.GetRaw();
SOEWriter writer = new SOEWriter((ushort)GatewayMessages.EnqueueCommand, true);
writer.AddBoolean(true);
writer.AddHostUInt32((uint)environmentCommand.Length);
writer.AddBytes(environmentCommand);
SOEMessage environmentMessage = writer.GetFinalSOEMessage(request.Client);
// ZoneInfo
commandWriter = new SOEWriter(0x2B, true);
commandWriter.AddASCIIString("FabledRealms");
commandWriter.AddHostUInt32(2);
commandWriter.AddHostUInt32(0);
commandWriter.AddHostUInt32(0);
commandWriter.AddUInt32(5);
commandWriter.AddHostUInt32(0);
commandWriter.AddBoolean(false);
byte[] worldCommand = commandWriter.GetRaw();
writer = new SOEWriter((ushort)GatewayMessages.EnqueueCommand, true);
writer.AddBoolean(true);
writer.AddHostUInt32((uint)worldCommand.Length);
writer.AddBytes(worldCommand);
SOEMessage worldMessage = writer.GetFinalSOEMessage(request.Client);
// Send!
request.Client.SendMessage(environmentMessage);
request.Client.SendMessage(worldMessage);
}
}
else
{
// Send an unsucessful login response
Log.ErrorFormat("Received invalid token from client {0}!", request.Client.GetClientID());
SendLoginResponse(request.Client, false);
// Disconnect the requesting Client
request.Client.Disconnect((ushort)SOEDisconnectReasons.Application);
}
}
}
public void HandleMessage(SOEClient sender, SOEMessage message)
{
// Handlers
if (MessageHandlers.HasHandler(ProtocolString, message.GetOpCode()))
{
// Log
string messageName = MessageHandlers.Protocol2MessageName[ProtocolString][message.GetOpCode()];
Log("Received 0x{0:X}, {1}_{2}!", message.GetOpCode(), Server.GAME_NAME, messageName);
// Handle it
MessageHandlers.GetHandler(ProtocolString, message.GetOpCode())(sender, message);
}
else
{
// Log
Log("Received Unknown SOEMessage {0}!", message.GetOpCode());
foreach (byte b in message.GetRaw())
{
Console.Write("0x{0:X2} ", b);
}
Console.WriteLine();
}
}
public void HandleMessage(SOEClient sender, byte[] rawMessage)
{
// Read the message...
SOEReader reader = new SOEReader(rawMessage);
ushort opCode = reader.ReadHostUInt16();
// Make the message
SOEMessage message = new SOEMessage(opCode, rawMessage);
// Handle it
HandleMessage(sender, message);
}
