private void ExecuteCommand(TunnelCommand command, byte[] data, int size)
{
if (TimeSpan.FromTicks(DateTime.UtcNow.Ticks - LastCommandTick).TotalSeconds < COMMAND_RATE_LIMIT ||
MaintenancePassword.Length == 0)
{
return;
}
LastCommandTick = DateTime.UtcNow.Ticks;
byte[] commandPasswordSha1 = new byte[20];
Array.Copy(data, 9, commandPasswordSha1, 0, 20);
if (!commandPasswordSha1.SequenceEqual(MaintenancePasswordSha1))
{
return;
}
switch (command)
{
case TunnelCommand.MaintenanceMode:
MaintenanceModeEnabled = !MaintenanceModeEnabled;
break;
}
}
/// <summary>
/// 创建HttpTunnel
/// </summary>
/// <param name="proxyClient"></param>
/// <param name="cmd"></param>
/// <returns></returns>
/// <exception cref="System.Net.TunnelStateMissingException"></exception>
private HttpClient CreateTunnel(TunnelCommand cmd, TcpClient proxyClient)
{
var tunnel = new HttpClient((Uri)xHttpServer.GetRandom(this.ServerBalance));
switch (cmd)
{
case TunnelCommand.KeepAlive:
tunnel.KeepAlive = false;
break;
default:
tunnel.KeepAlive = true;
break;
}
tunnel.SendReceiveTimeout = xHttpHandler.Timeout * 1000;
var cred = this.Credential;
tunnel.Headers[xHttpHandler.AgentAuth] = CryptoManaged.MD5Hex(string.Format("{0}:{1}", cred.UserName, cred.Password));
if (proxyClient != null)
{
var state = this.GetClientState(proxyClient);
tunnel.Headers[xHttpHandler.AgentSock] = state.UniqueID.ToString("N");
tunnel.Headers[xHttpHandler.AgentDirect] = state.ToString();
}
var rRemoteID = this.ReverseRemoteID;
if (rRemoteID != null)
{
tunnel.Headers[xHttpHandler.AgentReverse] = string.Format("{0}#{1}", _clientID.ToString("N"), rRemoteID.Value.ToString("N"));
}
tunnel.Form[xHttpHandler.AgentCommand] = ((int)cmd).ToString();
return(tunnel);
}
