Messenger/MSGer.tk/Networking.CreateParse.cs

142 lines
6.9 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace MSGer.tk
{
partial class Networking
{
public static string[] GetStrings(byte[] bytes, int startIndex)
{
List<string> strs = new List<string>();
int pos = startIndex;
while (pos < bytes.Length)
{
int len = BitConverter.ToInt32(bytes, pos);
pos += 4;
strs.Add(Encoding.Unicode.GetString(bytes, pos, len));
}
return strs.ToArray();
}
public static void ParsePacket(byte[] bytes, out byte response, out UpdateType updatetype, out int keyversion, out int port, out int userid, out byte[] data)
{ //2014.09.15.
/*if (CurrentUser.Keys[CurrentUser.KeyIndex] != null)
bytes = Storage.Decrypt(bytes, true, CurrentUser.Keys[CurrentUser.KeyIndex]);
else
bytes = Storage.Decrypt(bytes, true, "ihavenokeys");*/
response = bytes[0];
updatetype = (UpdateType)bytes[1];
int pos = 2;
//keyversion = BitConverter.ToInt32(bytes, 1 + 1);
keyversion = BitConverter.ToInt32(bytes, pos);
pos += sizeof(int);
port = BitConverter.ToInt32(bytes, pos); //2014.12.19.
pos += sizeof(int);
var encryptedBytes = new byte[bytes.Length - pos];
//Array.Copy(bytes, 6, encryptedBytes, 0, encryptedBytes.Length);
Array.Copy(bytes, pos, encryptedBytes, 0, encryptedBytes.Length);
if (CurrentUser.Keys[CurrentUser.KeyIndex] != null)
bytes = Storage.Decrypt(encryptedBytes, true, CurrentUser.Keys[CurrentUser.KeyIndex]);
else
bytes = Storage.Decrypt(encryptedBytes, true, "ihavenokeys");
/*userid = BitConverter.ToInt32(bytes, 1 + 1 + 4);
data = new byte[bytes.Length - 1 - 1 - 4 - 4];
Array.Copy(bytes, 2 + 4 + 4, data, 0, data.Length);*/
userid = BitConverter.ToInt32(bytes, 0); //2014.12.18.
data = new byte[bytes.Length - 4];
Array.Copy(bytes, 4, data, 0, data.Length);
}
public static void ParseUpdateInfo(byte[][] bytes)
{
if (bytes == null)
return;
for (int i = 0; i < bytes.Length; i++)
{
byte[] data = ParsePacket(bytes[i]).Data;
string[] strs = Encoding.Unicode.GetString(data).Split(new string[] { "\n", "\n\r" }, StringSplitOptions.RemoveEmptyEntries); //2014.09.19.
string str = "";
for (int j = 0; j < strs.Length; j++)
{
string[] spl = strs[j].Split('_'); //2014.08.30.
int uid = Int32.Parse(spl[0]); //2014.08.30.
string[] keyvalue = spl[1].Split('='); //2014.08.30.
UserInfo user = UserInfo.Select(uid); //2014.12.31.
if (keyvalue[0] == "ispartner")
{ //2014.08.30.
string resp = Networking.SendRequest("ispartner", uid + "", 0, true);
if (resp == "yes")
str += "userinfo_" + uid + "_ispartner=True";
else if (resp == "no")
str += "userinfo_" + uid + "_ispartner=False";
else
MessageBox.Show("ispartner:\n" + resp);
}
else if (keyvalue[0] == "picupdatetime")
{ //2014.12.31.
user.GetImage(Int32.Parse(keyvalue[1])); //Megvizsgálja, hogy kell-e frissítés és ha kell, letölti
}
else
str += "userinfo_" + strs[j];
if (j + 1 != strs.Length)
str += "\n";
user.Update(); //2014.12.31.
}
Storage.Parse(str);
}
}
public static PacketParts ParsePacket(byte[] bytes)
{ //2014.09.15.
/*if (CurrentUser.Keys[CurrentUser.KeyIndex] != null)
bytes = Storage.Encrypt(bytes, CurrentUser.Keys[CurrentUser.KeyIndex]);
else
bytes = Storage.Encrypt(bytes, "ihavenokeys");*/
var ret = new PacketParts();
ret.Response = (bytes[0] == 0x01) ? true : false;
ret.UpdateType = (UpdateType)bytes[1];
int pos = 2; //2014.12.19.
//ret.KeyVersion = BitConverter.ToInt32(bytes, 1 + 1);
ret.KeyVersion = BitConverter.ToInt32(bytes, pos);
pos += sizeof(int);
ret.Port = BitConverter.ToInt32(bytes, pos); //2014.12.19.
pos += sizeof(int);
byte[] encryptedBytes = new byte[bytes.Length - pos]; //2014.12.22. - A hátralévő rész titkosított
Array.Copy(bytes, pos, encryptedBytes, 0, encryptedBytes.Length); //2014.12.22.
if (CurrentUser.Keys[CurrentUser.KeyIndex] != null)
bytes = Storage.Decrypt(encryptedBytes, true, CurrentUser.Keys[CurrentUser.KeyIndex]);
else
bytes = Storage.Decrypt(encryptedBytes, true, "ihavenokeys");
//ret.UserID = BitConverter.ToInt32(bytes, 1 + 1 + 4);
pos = 0; //2014.12.22. - Új tömb lett a visszafejtés után
ret.UserID = BitConverter.ToInt32(bytes, pos);
pos += sizeof(int);
//ret.Data = new byte[bytes.Length - 1 - 1 - 4 - 4];
ret.Data = new byte[bytes.Length - pos];
//Array.Copy(bytes, 2 + 4 + 4, ret.Data, 0, ret.Data.Length);
Array.Copy(bytes, pos, ret.Data, 0, ret.Data.Length);
return ret;
}
public static byte[] CreatePacket(bool response, byte updatetype, byte[] data)
{ //2014.09.15.
List<byte> senddata = new List<byte>();
senddata.Add((response) ? (byte)0x01 : (byte)0x00); //0x00: Kérelem/Adatküldés, 0x01: Válasz
senddata.Add(updatetype);
senddata.AddRange(BitConverter.GetBytes(CurrentUser.KeyIndex));
senddata.AddRange(BitConverter.GetBytes(Int32.Parse(Storage.Settings["port"]))); //2014.12.19.
List<byte> sendd = new List<byte>();
sendd.AddRange(BitConverter.GetBytes(CurrentUser.UserID));
sendd.AddRange(data);
if (CurrentUser.Keys[CurrentUser.KeyIndex] != null)
senddata.AddRange(Storage.Encrypt(sendd.ToArray(), CurrentUser.Keys[CurrentUser.KeyIndex]));
else
senddata.AddRange(Storage.Encrypt(sendd.ToArray(), "ihavenokeys"));
return senddata.ToArray();
}
}
}