/// <summary>
/// Processing login request
/// </summary>
/// <param name="requestSplit">Format: LOGIN_username_password</param>
/// <returns>Response message for client</returns>
public string ProcessLoginRequest(string[] requestSplit, Client client)
{
//TODO: What if this user is already logged in ? (On different computer?)
if (requestSplit.Length != 3) return null;
string username = requestSplit[1];
string password = AsymmetricEncryption.DecryptText(requestSplit[2], client.GetKeySize(), client.GetPrivateKey());
List<string> userSelect = mainDatabase.SelectUsers(username, password);
if (userSelect.Count == 1)
{
//We have to update status of our client to 'connected'
SwitchClientIntoLoginState(client);
return "LOGIN_OK";
}
return "LOGIN_NOK";
}
/// <summary>
/// Register new user into database
/// </summary>
/// <param name="requestSplit">Format: REGISTER_username_password</param>
/// <returns>Response message for client</returns>
public string ProcessRegisterRequest(string[] requestSplit, Client client)
{
if (requestSplit.Length != 3) return null;
string username = requestSplit[1];
string password = AsymmetricEncryption.DecryptText(requestSplit[2], client.GetKeySize(), client.GetPrivateKey());
User user = new User(username, password, "mailadress");
bool insertSussesful = mainDatabase.RegisterUser(user);
if (insertSussesful)
{
return "REGISTRATION_OK";
}
else return "REGISTRATION_NOK";
}