protected override void OnMessage(MessageEventArgs e)
{
MsgType msgType = (MsgType)JsonDocument.Parse(e.Data).RootElement.GetProperty("type").GetInt32();
if (msgType == MsgType.GetKey)
{
Console.WriteLine("Client asks for public key");
SendKeyMsg sendKeyMsg = new SendKeyMsg(Decryptor.RSACreateKeys());
string serializedMsg = JsonSerializer.Serialize <SendKeyMsg>(sendKeyMsg);
Send(serializedMsg);
}
if (msgType == MsgType.DES)
{
DESDbStringMes ecnryptedDbString = JsonSerializer.Deserialize <DESDbStringMes>(e.Data);
DESDbStringMes testEncDbString = JsonSerializer.Deserialize <DESDbStringMes>(e.Data);
ecnryptedDbString.Key = Decryptor.RSAdecrypt(ecnryptedDbString.Key);
string serializedDbString = Decryptor.DESdecrypt(ecnryptedDbString);
DbStringMsg dbString = JsonSerializer.Deserialize <DbStringMsg>(serializedDbString);
Console.WriteLine(dbString.surname + ' ' + dbString.name + ' ' + dbString.second_name + ' ' +
dbString.country + ' ' + dbString.picture + ' ' + dbString.exposition);
Artist artist = new Artist(
dbString.name, dbString.surname, dbString.second_name,
new Country(dbString.country), new Movement(dbString.movement), new Picture(dbString.picture),
new Exposition(dbString.exposition)
);
PgConnector.InsertData(artist);
//Send("You just have sent \"" + e.Data + "\" to me.");
}
}
public static DESDbStringMes DESencrypt(string data)
{
DES DESalg = DES.Create();
var encryptor = DESalg.CreateEncryptor();
using (MemoryStream msEncrypt = new MemoryStream())
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
{
swEncrypt.Write(data);
}
DESDbStringMes result = new DESDbStringMes(DESalg.Key, DESalg.IV, msEncrypt.ToArray());
return(result);
}
}
}
public static string DESdecrypt(DESDbStringMes mes)
{
DES DESalg = DES.Create();
DESalg.Key = mes.Key;
DESalg.IV = mes.IV;
var decryptor = DESalg.CreateDecryptor();
using (MemoryStream msDecrypt = new MemoryStream(mes.Value))
{
using (CryptoStream csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
{
using (StreamReader srDecrypt = new StreamReader(csDecrypt))
{
string result = srDecrypt.ReadToEnd();
return(result);
}
}
}
}
static void Main(string[] args)
{
DataTable painters = SQLiteConnector.get();
List <DbStringMsg> dbStringMsgs = createDbStringMsgList(painters);
using (var ws = new WebSocket("ws://localhost:8080/"))
{
ws.OnOpen += (sender, e) => Console.WriteLine("Connected to server.");
ws.OnMessage += (sender, e) =>
{
MsgType msgType = (MsgType)JsonDocument.Parse(e.Data).RootElement.GetProperty("type").GetInt32();
if (msgType == MsgType.SendKey)
{
string publicKey = JsonDocument.Parse(e.Data).RootElement.GetProperty("key").ToString();
Encryptor.publicKey = publicKey;
Console.WriteLine("Server send public key: " + publicKey);
foreach (var dbStringMsg in dbStringMsgs)
{
string msg = JsonSerializer.Serialize <DbStringMsg>(dbStringMsg);
DESDbStringMes decMsg = Encryptor.DESencrypt(msg);
decMsg.Key = Encryptor.RSAencrypt(decMsg.Key);
msg = JsonSerializer.Serialize <DESDbStringMes>(decMsg);
ws.Send(msg);
}
}
else
{
Console.WriteLine(e.Data);
}
};
ws.Connect();
string getKeyMsg = JsonSerializer.Serialize <GetKeyMsg>(new GetKeyMsg());
ws.Send(getKeyMsg);
Console.ReadKey(true);
ws.Close();
}
}
