private void padding4ToolStripMenuItem_Click(object sender, EventArgs e)
{
CrypterAES.setPadding(System.Security.Cryptography.PaddingMode.Zeros);
this.padding1ToolStripMenuItem.Checked = false;
this.padding2ToolStripMenuItem.Checked = false;
this.padding3ToolStripMenuItem.Checked = false;
}
private void Mode5ToolStripMenuItem_Click(object sender, EventArgs e)
{
CrypterAES.setMode(System.Security.Cryptography.CipherMode.OFB);
this.Mode1ToolStripMenuItem.Checked = false;
this.Mode2ToolStripMenuItem.Checked = false;
this.Mode3ToolStripMenuItem.Checked = false;
this.Mode4ToolStripMenuItem.Checked = false;
}
public User(string Name, String HostName, int avatar, Client client)
{
this.Name = Name;
this.HostName = HostName;
this.avatarNumber = avatar;
this.client = client;
this.contact = null;
this.message = null;
this.lastMessageY = 0;
this.crypt = null;
}
public User()
{
throw new Exception("empity user");
this.Name = null;
this.HostName = null;
this.avatarNumber = 0;
this.client = null;
this.contact = null;
this.message = null;
this.lastMessageY = 0;
this.crypt = null;
}
public void setUser(User newUser)
{
if (this.user.Name.Equals(newUser.Name) && this.user.HostName.ToLower().Equals(newUser.HostName.ToLower()))
{
this.user = newUser;
this.user.setClient(this);
this.rsa = null;
this.perhaps = null;
this.uploadFile = new List <AddFile>();
this.quenSend = new List <byte[]>();
this.uploadFileThread = null;
this.sendThread = null;
this.stopSendThread = false;
}
}
public Client(TcpClient tcpClient, Chat Form = null)
{
this.tcp = tcpClient;
this.stream = tcpClient.GetStream();
this.form = Form;
this.startdownloadFile = new List <AddFile>();
this.downloadFile = new List <AddFile>();
this.uploadFile = new List <AddFile>();
this.quenSend = new List <byte[]>();
this.downloadFileThread = null;
this.uploadFileThread = null;
this.sendThread = null;
this.stopSendThread = false;
this.perhaps = null;
this.rsa = null;
}
static public void SaveMe(User me)
{
Storage.me = me;
Storage.key = me.Name.GetHashCode();
if (!Directory.Exists(DefaultData))
{
Directory.CreateDirectory(DefaultData);
}
try{
var output = new BinaryWriter(File.Open(DefaultData + "/" + DefaultUserData, FileMode.Create));
byte[] mess = Encoding.UTF8.GetBytes(InFileName + me.Name + "\n");
for (int i = 0; i < mess.Length; i++)
{
Storage.WriteByte(output, mess[i]);
}
mess = Encoding.UTF8.GetBytes(InFileHostName + me.HostName + "\n");
for (int i = 0; i < mess.Length; i++)
{
Storage.WriteByte(output, mess[i]);
}
mess = Encoding.UTF8.GetBytes(InFileAatarNumber + me.avatarNumber + "\n");
for (int i = 0; i < mess.Length; i++)
{
Storage.WriteByte(output, mess[i]);
}
mess = Encoding.UTF8.GetBytes(CrypterAES.getMode() + InFileCryptSeparator + CrypterAES.getPadding() + InFileCryptSeparator);
mess = Program.ConcatByte(mess, me.crypt.getKey());
mess = Program.ConcatByte(mess, Encoding.UTF8.GetBytes(InFileCryptSeparator));
mess = Program.ConcatByte(mess, me.crypt.getIV());
mess = Program.ConcatByte(mess, Encoding.UTF8.GetBytes(InFileCrypt + "\n"));
for (int i = 0; i < mess.Length; i++)
{
Storage.WriteByte(output, mess[i]);
}
output.Close();
}catch {
}
}
private void toolStripMenuItem4_Click(object sender, EventArgs e)
{
CrypterAES.setKeySize(256);
this.toolStripMenuItem3.Checked = false;
this.toolStripMenuItem2.Checked = false;
}
public void update(User u)
{
this.avatarNumber = u.avatarNumber;
this.client = u.client;
this.crypt = null;
}
private void OnMessage(byte[] Message, bool isRsa = false)
{
byte[][] mess = Program.Split(Message, Encoding.UTF8.GetBytes(Separator), true);
if (mess.Length == 0)
{
return;
}
//this.form.SendToFormMessage(((this.perhaps != null) ? "aes_per" : "null") + ((!isRsa) ? "aes_per" : "null"));
//for(int i = 0; i<mess.Length; i++)
// this.form.SendToFormMessage("sr4.M: " + i + ": " + mess[i].Length + ": " + Encoding.UTF8.GetString(mess[i]));
string head = Encoding.UTF8.GetString(mess[0]);
switch (head)
{
case HeadFileDop: {
if ((mess.Length == 5) && (this.user != null))
{
string name = Encoding.UTF8.GetString(mess[1]), newName = Encoding.UTF8.GetString(mess[2]), blockNumber = Encoding.UTF8.GetString(mess[3]), blockSize = Encoding.UTF8.GetString(mess[4]);
ulong number = Convert.ToUInt64(blockNumber);
int size = Convert.ToInt32(blockSize);
try
{
byte[] block = Storage.getBlockFile(name, size, number);
int hash = Program.HechBytes(block);
string header = HeadFile + Separator + name + Separator + newName + Separator + Convert.ToString(number) + Separator + Convert.ToString(hash) + Separator;
byte[] buffer = Encoding.UTF8.GetBytes(header);
this.Send(Program.ConcatByte(buffer, block));
this.form.SendToFormMessage("Dop file block: " + number);
}
catch (Exception e)
{
this.form.SendToFormMessage("Dop file block eror: " + e.Message + "\n" + e.StackTrace);
}
}
break;
}
case HeadFile:
{
if ((mess.Length == 4) && (this.user != null))
{
string name = Encoding.UTF8.GetString(mess[1]), newName = Encoding.UTF8.GetString(mess[2]), Error = Encoding.UTF8.GetString(mess[3]);
var file = new AddFile(this.user, name, 0, 0, newName);
file.setError(Error);
this.form.downloadError(file);
}
if ((mess.Length == 5) && (this.user != null))
{
string name = Encoding.UTF8.GetString(mess[1]), newName = Encoding.UTF8.GetString(mess[2]), blockSize = Encoding.UTF8.GetString(mess[3]), countBlock = Encoding.UTF8.GetString(mess[4]);
var file = Storage.getAddFile(name, newName, Convert.ToInt32(blockSize), Convert.ToUInt64(countBlock));
if (file != null)
{
this.startUpload(file);
}
else
{
this.Send(false, HeadFile, name, newName, "file not found");
}
}
else if ((mess.Length == 6) && (this.user != null))
{
this.Send(Client.Good);
string name = Encoding.UTF8.GetString(mess[1]), newName = Encoding.UTF8.GetString(mess[2]);
ulong blockNumber = Convert.ToUInt64(Encoding.UTF8.GetString(mess[3]));
AddFile file = null;
foreach (var i in this.downloadFile)
{
if (i.getNewName() == newName)
{
file = i;
break;
}
}
if (file != null)
{
if (mess[5].Length > file.getBlockSize())
{
System.Array.Resize(ref mess[5], file.getBlockSize());
}
if (blockNumber == file.getCountBlock() - 1 && file.getSize() % (ulong)file.getBlockSize() != 0)
{
System.Array.Resize(ref mess[5], (int)(file.getSize() % (ulong)file.getBlockSize()));
}
int hash2 = Program.HechBytes(mess[5]);
if (Convert.ToInt32(Encoding.UTF8.GetString(mess[4])) == hash2)
{
try
{
Storage.setBlockFile(file.getNewName(), file.getBlockSize(), blockNumber, mess[5]);
file.flagBlock[blockNumber] = 1;
if (blockNumber > 100 && blockNumber % (file.getCountBlock() / 100) == 0)
{
if (file.isSave)
{
Storage.saveStatistic(blockNumber / (file.getCountBlock() / 100));
}
this.form.UpdateDownloadInfo(file);
this.form.SendToFormMessage("download: " + blockNumber / (file.getCountBlock() / 100) + "%");
}
}
catch (Exception e)
{
this.form.SendToFormMessage("download error: " + e.StackTrace);
}
}
if (blockNumber == file.getCountBlock() - 1)
{
this.finishDownload(file);
}
}
}
break;
}
case HeadAddFile:
{
if ((mess.Length == 5) && (this.user != null))
{
string name = Encoding.UTF8.GetString(mess[1]), size = Encoding.UTF8.GetString(mess[2]), time = Encoding.UTF8.GetString(mess[4]);
string newName = Storage.getNewName(name);
bool isPrivate = Convert.ToBoolean(Encoding.UTF8.GetString(mess[3]));
var file = new AddFile(this.user, name, Convert.ToUInt64(size), Storage.getBlockSize(), Convert.ToDateTime(time), newName);
file.isPrivate = isPrivate;
this.form.SendToFormMessage(file);
}
break;
}
case HeadMessage:
{
if ((mess.Length != 4) && (this.user.client != null))
{
break;
}
string text = Encoding.UTF8.GetString(mess[2]), time = Encoding.UTF8.GetString(mess[3]);
bool isPrivate = Convert.ToBoolean(Encoding.UTF8.GetString(mess[1]));
MESSAGE newMessage = new MESSAGE(this.user, Server.me, text, Convert.ToDateTime(time), isPrivate);
this.form.SendToFormMessage(newMessage);
break;
}
case HeadUser:
{
if (mess.Length == 3)
{
string HostName = Dns.GetHostEntry(((IPEndPoint)this.tcp.Client.RemoteEndPoint).Address).HostName;
string name = Encoding.UTF8.GetString(mess[1]);
string avatar = Encoding.UTF8.GetString(mess[2]);
if (this.user == null)
{
this.user = new User(name, HostName, System.Convert.ToInt32(avatar), this);
}
else
{
this.user.update(System.Convert.ToInt32(avatar));
}
this.form.SendToFormMessage("sr4.User");
Storage.SaveContact(this.user);
this.form.OnConnect(this.user);
}
else
{
this.form.SendToFormMessage("sr4.NOT_USER");
}
break;
}
case IfHaveServer:
{
this.Send(YesItIsServer);
if (this.user == null)
{
this.Send(GetUserPliace);
}
break;
}
case YesItIsServer:
{
if (this.user == null)
{
this.Send(GetUserPliace);
}
break;
}
case GetUserPliace:
{
while (true)
{
if (Server.me != null)
{
this.Send(Server.me);
break;
}
else
{
Thread.Sleep(200);
}
}
break;
}
case EndSeans:
{
this.OnError(new Exception("Cancel"));
break;
}
case GetSecretKey:
{
if (mess.Length == 2)
{
mess[1] = Program.SubBytes(mess[1], 0, 148);
this.form.SendToFormMessage("Create Secret Data:" + mess[1].Length);
this.form.SendToFormMessage("SecretKey: " + Program.HechBytes(mess[1]));
rsa = new CrypterRSA(mess[1]);
var aes = new CrypterAES();
byte[] message = new byte[0] {
};
message = Program.ConcatByte(message, Encoding.UTF8.GetBytes(HeadSecret + Separator + CrypterAES.getMode() + Separator + CrypterAES.getPadding() + Separator));
message = Program.ConcatByte(message, aes.getKey());
message = Program.ConcatByte(message, Encoding.UTF8.GetBytes(Separator));
message = Program.ConcatByte(message, aes.getIV());
this.perhaps = aes;
this.Send(rsa.Coder(message));
this.form.SendToFormMessage("hech: " + aes.GetHashCode());
}
break;
}
case HeadSecret:
{
if (mess.Length == 5)
{
this.form.SendToFormMessage("Create Secret Line");
this.user.crypt = new CrypterAES(Convert.ToInt32(Encoding.UTF8.GetString(mess[1])), Convert.ToInt32(Encoding.UTF8.GetString(mess[2])), mess[3], mess[4]);
this.rsa = null;
this.Send(true, HeadSecret, Client.Good);
this.form.SendToFormMessage("hech: " + this.user.crypt.GetHashCode());
}
else if (mess.Length == 2)
{
this.form.SendToFormMessage("1: " + Encoding.UTF8.GetString(mess[1]) + " 2: " + (string)Client.Good);
if (Encoding.UTF8.GetString(mess[1]) == Client.Good || true)
{
this.user.crypt = this.perhaps;
this.perhaps = null;
this.form.SendToFormMessage("secret good");
}
}
break;
}
default: {
if (this.perhaps != null && !isRsa)
{
try
{
this.OnMessage(this.perhaps.DecoderBytes(Message), true);
}
catch (Exception e) {
this.form.SendToFormMessage("eror pizdaaaaaaaaaaa: " + e.Message + "\n" + e.StackTrace);
}
}
if (this.rsa != null && !isRsa && this.rsa.isPrivate)
{
try
{
this.OnMessage(this.rsa.Decoder(Message), true);
}
catch
{
return;
}
}
break;
}
}
}