/// <summary>
/// Handles packet
/// </summary>
public static void HandlePacket(Packet packet)
{
// Known packet => Parse it
if (JsonPackets.ContainsKey(packet.ID))
{
wrapper = JsonPackets[packet.ID];
pp = JsonParseHelper.ParsePacket(wrapper, packet);
}
// Unknown packet => Save payload
else
{
pp = new ParsedPacket();
pp.PacketID = packet.ID;
pp.PacketName = "Unknown";
pp.PayloadLength = packet.DecryptedPayload.Length;
pp.ParsedFields = Fields;
// Payload
pp.ParsedFields.Add(new ParsedField <object>
{
FieldLength = packet.DecryptedPayload.Length,
FieldName = "Payload",
FieldType = FieldType.String,
FieldValue = packet.DecryptedPayload.ToHexString()
});
}
// Check if the packet is known
if (Config.JSON_Logging && pp.PacketName != "Unknown")
{
foreach (var v in pp.ParsedFields)
{
Logger.Log(v.FieldName + " : " + v.FieldValue, LogType.JSON);
}
var path = @"JsonPackets\\" + Config.Game + "_" + pp.PacketID + "_" +
string.Format("{0:dd-MM_hh-mm-ss}", DateTime.Now) + ".json";
using (var file = File.CreateText(path))
{
var serializer = new JsonSerializer();
serializer.Formatting = Formatting.Indented;
serializer.Serialize(file, pp);
}
}
}
/// <summary>
/// Parses a packet
/// </summary>
public static ParsedPacket ParsePacket(JSONPacketWrapper wrapper, Packet p)
{
var pack = new ParsedPacket();
pack.PacketID = p.ID;
pack.PacketName = wrapper.PacketName;
pack.PayloadLength = p.DecryptedPayload.Length;
var parsedFields = new List <ParsedField <object> >();
using (var br = new BinaryReader(new MemoryStream(p.DecryptedPayload)))
{
foreach (var field in wrapper.Fields)
{
try
{
if (field.FieldType == FieldType.Bytes)
{
int toRead = 0;
string replaced = ReplaceWildcards(field.BytesToRead, parsedFields);
if (replaced != null)
{
if (IsNumber(replaced))
{
toRead = Convert.ToInt32(replaced);
}
}
else
{
if (IsNumber(field.BytesToRead))
{
toRead = Convert.ToInt32(field.BytesToRead);
}
}
if (toRead > 0)
{
var value = br.ReadBytes(toRead);
parsedFields.Add(new ParsedField <object>()
{
FieldLength = value.Length,
FieldName = field.FieldName,
FieldType = FieldType.Bytes,
FieldValue = BitConverter.ToString(value)
});
}
}
else
{
var value = br.ReadField(field.FieldType);
parsedFields.Add(new ParsedField <object>
{
FieldLength = GetObjectSize(value),
FieldName = field.FieldName,
FieldType = field.FieldType,
FieldValue = value
});
}
}
catch (Exception ex)
{
Logger.Log("Exception occured while Parsing Packet: " + ex);
}
}
}
pack.ParsedFields = parsedFields.Count > 0 ? parsedFields : null;
return(pack);
}
