public void HandleMessage(INetworkPlayer player, ArraySegment <byte> packet)
{
using (PooledNetworkReader networkReader = NetworkReaderPool.GetReader(packet))
{
// set ObjectLocator so that message can use NetworkIdentity
networkReader.ObjectLocator = objectLocator;
// protect against attackers trying to send invalid data packets
// exception could be throw if:
// - invalid headers
// - invalid message ids
// - invalid data causing exceptions
// - negative ReadBytesAndSize prefixes
// - invalid utf8 strings
// - etc.
//
// if exception is caught, disconnect the attacker to stop any further attacks
try
{
int msgType = MessagePacker.UnpackId(networkReader);
InvokeHandler(player, msgType, networkReader);
}
catch (Exception e)
{
string disconnectMessage = disconnectOnException ? $", Closed connection: {player}" : "";
logger.LogError($"{e.GetType()} in Message handler (see stack below){disconnectMessage}\n{e}");
if (disconnectOnException)
{
player.Disconnect();
}
}
}
}
private IEnumerator DelayedDisconnect(INetworkPlayer player, float waitTime)
{
yield return(new WaitForSeconds(waitTime));
player.Disconnect();
}
/// <summary>
/// Call this when player has been rejected on the client. This will disconnect the player.
/// </summary>
/// <param name="player"></param>
protected void ClientReject(INetworkPlayer player)
{
player.Disconnect();
}
/// <summary>
/// Call this when player has been rejected on the server. This will disconnect the player.
/// </summary>
/// <param name="player"></param>
protected void ServerReject(INetworkPlayer player)
{
player.Disconnect();
}
