public CryptoInitializer(SmartFox sfs)
{
if (!sfs.IsConnected)
{
throw new InvalidOperationException("Cryptography cannot be initialized before connecting to SmartFoxServer!");
}
if (sfs.GetSocketEngine().CryptoKey != null)
{
throw new InvalidOperationException("Cryptography is already initialized!");
}
this.sfs = sfs;
}
private void OnHttpResponse(string rawData)
{
byte[] data = Convert.FromBase64String(rawData);
ByteArray byteArray = new ByteArray();
ByteArray byteArray2 = new ByteArray();
byteArray.WriteBytes(data, 0, 16);
byteArray2.WriteBytes(data, 16, 16);
sfs.GetSocketEngine().CryptoKey = new CryptoKey(byteArray2, byteArray);
Hashtable hashtable = new Hashtable();
hashtable["success"] = true;
sfs.DispatchEvent(new SFSEvent(SFSEvent.CRYPTO_INIT, hashtable));
}
public UDPManager(SmartFox sfs)
{
this.sfs = sfs;
packetId = 0L;
if (sfs != null)
{
log = sfs.Log;
}
else
{
log = new Logger(null);
}
currentAttempt = 1;
packetEncrypter = new DefaultPacketEncrypter(sfs.GetSocketEngine() as BitSwarmClient);
}
private void OnUDPData(byte[] bt)
{
//Discarded unreachable code: IL_014c
ByteArray byteArray = new ByteArray(bt);
if (byteArray.BytesAvailable < 4)
{
log.Warn("Too small UDP packet. Len: " + byteArray.Length);
return;
}
if (sfs.Debug)
{
log.Info("UDP Data Read: " + DefaultObjectDumpFormatter.HexDump(byteArray));
}
byte b = byteArray.ReadByte();
bool flag = (b & 0x20) > 0;
bool flag2 = (b & 0x40) > 0;
short num = byteArray.ReadShort();
if (num != byteArray.BytesAvailable)
{
log.Warn("Insufficient UDP data. Expected: " + num + ", got: " + byteArray.BytesAvailable);
return;
}
byte[] buf = byteArray.ReadBytes(byteArray.BytesAvailable);
ByteArray byteArray2 = new ByteArray(buf);
if (flag2)
{
try
{
packetEncrypter.Decrypt(byteArray2);
}
catch (Exception ex)
{
log.Warn("UDP data decryption failed due to error: " + ex.Message + " " + ex.StackTrace);
return;
}
}
if (flag)
{
byteArray2.Uncompress();
}
ISFSObject iSFSObject = SFSObject.NewFromBinaryData(byteArray2);
if (iSFSObject.ContainsKey("h"))
{
if (!initSuccess)
{
StopTimer();
locked = false;
initSuccess = true;
Hashtable hashtable = new Hashtable();
hashtable["success"] = true;
sfs.DispatchEvent(new SFSEvent(SFSEvent.UDP_INIT, hashtable));
}
}
else
{
sfs.GetSocketEngine().IoHandler.Codec.OnPacketRead(iSFSObject);
}
}