private JObject ProcessSignIn(JObject param)
{
JObject result = null;
LogUtil.Default.Log("SignIn Request: " + param.ToString());
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
User user = ceremonySQL.SignInUser(param);
if (user != null)
{
result = BuildResponse(false, "SignIn Successed.");
JObject ret = new JObject();
ret["name"] = user.Name;
ret["country"] = user.Country;
ret["order"] = user.Order;
ret["total"] = ceremonySQL.reconnect().GetUserIndex();
ret["selected_index"] = ceremonySQL.reconnect().GetSelectedUserIndex();
result = BuildResponse(true, "", ret);
}
else
{
result = BuildResponse(false, "SignIn Failed.");
}
}
LogUtil.Default.Log("SignIn Response: " + result.ToString());
return(result);
}
private JObject ProcessSignUp(JObject param)
{
JObject result = null;
LogUtil.Default.Log("SignUp Request: " + param.ToString());
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
if (ceremonySQL.GetCeremonyStatus() == CeremonyStatus.CEREMONY_STATUS_WAITING)
{
if (ceremonySQL.reconnect().SignUpUser(param))
{
result = BuildResponse(true);
System.Windows.Application.Current.Dispatcher.Invoke(delegate {
Window.RefreshView();
});
}
else
{
result = BuildResponse(false, "Sign up failed.");
}
}
else
{
result = BuildResponse(false, "Ceremony already has been started.");
}
}
LogUtil.Default.Log("SignUp Response: " + result.ToString());
return(result);
}
public void StartTimeInterval(int interval = PARTICIPANT_INTERVAL)
{
LogUtil.Default.Log("Interval: " + interval);
StopTimeInterval();
Application.Current.Dispatcher.Invoke(delegate {
RefreshView();
});
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
if (ceremonySQL.GetCeremonyStatus() != CeremonyStatus.CEREMONY_STATUS_STARTED)
{
return;
}
if (ceremonySQL.reconnect().GetUserIndex() == ceremonySQL.reconnect().GetSelectedUserIndex())
{
return;
}
}
dispatcherTimer = new DispatcherTimer();
dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick);
dispatcherTimer.Interval = new TimeSpan(interval / 3600, (interval % 3600) / 60, interval % 60);
dispatcherTimer.Start();
Settings.Default.SendEmailToSelectedUser();
}
private JObject ProcessCompleteCeremony(JObject param)
{
try
{
string pubkey = param["pubkey"].AsString();
int nSegmentNumber = int.Parse(param["SegmentNumber"].AsString());
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
User user = ceremonySQL.GetUserByPubkey(pubkey);
if (user == null)
{
return(BuildResponse(false, "This user does not exist."));
}
if (VerifyConstraint(user.Order, nSegmentNumber - ceremonySQL.reconnect().GetSegmentNumber()) == false)
{
return(BuildResponse(false, "VERIFY=false"));
}
if (!ceremonySQL.reconnect().ToNextUser() /*CeremonySQL.Default.CompleteCeremony()*/)
{
LogUtil.Default.Log("Next User in database failed.");
return(BuildResponse(false, "Server internal error."));
}
if (!ceremonySQL.reconnect().UpdateSegmentNumber(nSegmentNumber))
{
LogUtil.Default.Log("Update Seg number failed.");
return(BuildResponse(false, "Server internal error."));
}
if (nSegmentNumber == Window.nTotalSegments)
{
if (!ceremonySQL.reconnect().CompleteCeremony())
{
LogUtil.Default.Log("Complete ceremony in database failed.");
return(BuildResponse(false, "Server internal error."));
}
Task.Run(() => {
GenerateKeyFromConstraints();
});
}
}
Application.Current.Dispatcher.Invoke(delegate {
Window.StartTimeInterval();
});
LogUtil.Default.Log("Complete ceremony successed.");
return(BuildResponse(true));
}
catch (Exception ex)
{
return(BuildResponse(false));
}
}
private void dispatcherTimer_Tick(Object sender, EventArgs e)
{
Settings.Default.SendEmailToSelectedUser((int)MailType.MAIL_TYPE_TIMEOUT);
using (CeremonySQL cermeonySQL = new CeremonySQL())
{
cermeonySQL.TimeOutUser();
}
StartTimeInterval();
}
public bool StartCeremony()
{
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
if (ceremonySQL.GetCeremonyStatus() != CeremonyStatus.CEREMONY_STATUS_WAITING)
{
return(false);
}
if (!ceremonySQL.reconnect().StartCeremony())
{
return(false);
}
}
return(true);
}
public void RefreshView()
{
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
TxtParticipantCnt.Text = "Total Participants : " + ceremonySQL.GetUserIndex();
TxtSelectedUserIndex.Text = "Index : " + ceremonySQL.reconnect().GetSelectedUserIndex();
User user = ceremonySQL.reconnect().GetSelectedUser();
TxtSelectedUserName.Text = "Name : " + (user == null ? "" : user.Name);
TxtSelectedUserEmail.Text = "Email : " + (user == null ? "" : user.Email);
TxtSelectedUserAddress.Text = "Address : " + (user == null ? "" : user.Address);
TxtSelectedUserCountry.Text = "Country : " + (user == null ? "" : user.Country);
TxtSuccessedCnt.Text = "Successed Participants : " + ceremonySQL.reconnect().GetParticipantCntByStatus(UserStatus.USER_STATUS_SUCCESSED);
TxtTimeoutCnt.Text = "Timeout Participants : " + ceremonySQL.reconnect().GetParticipantCntByStatus(UserStatus.USER_STATUS_TIMEOUT);
string strStatus = "";
switch (ceremonySQL.reconnect().GetCeremonyStatus())
{
case CeremonyStatus.CEREMONY_STATUS_WAITING:
strStatus = "WAITING";
break;
case CeremonyStatus.CEREMONY_STATUS_STARTED:
strStatus = "STARTED";
break;
case CeremonyStatus.CEREMONY_STATUS_COMPLETED:
strStatus = "COMPLETED";
break;
}
TxtCeremonyStatus.Text = "Ceremony Status : " + strStatus;
if (ceremonySQL.reconnect().GetCeremonyStatus() == CeremonyStatus.CEREMONY_STATUS_WAITING)
{
BtnStart.IsEnabled = true;
}
else
{
BtnStart.IsEnabled = false;
}
}
}
private JObject ProcessGetInfo(JObject param)
{
JObject ret = new JObject();
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
User selectedUser = ceremonySQL.GetSelectedUser();
User user = ceremonySQL.reconnect().GetUserByPubkey(param["pubkey"].AsString());
ret["total_participants"] = ceremonySQL.reconnect().GetUserIndex();
ret["selected_participants"] = (selectedUser == null ? 0 : selectedUser.Order);
ret["ceremony_status"] = ceremonySQL.reconnect().GetCeremonyStatus();
ret["my_status"] = ((int)user.Status);
ret["segment_number"] = ceremonySQL.reconnect().GetSegmentNumber();
}
JObject result = BuildResponse(true, "", ret);
LogUtil.Default.Log(ret.ToString());
return(result);
}
private void CombineAllConstraints(string path)
{
List <User> userList = new List <User>();
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
userList = ceremonySQL.GetAllUser();
}
if (File.Exists(path))
{
File.Delete(path);
}
for (int i = 0; i < userList.Count(); i++)
{
try
{
if (userList[i].Status == UserStatus.USER_STATUS_SUCCESSED)
{
FileStream fs = File.OpenRead("crypto//constraint_" + userList[i].Order + ".key");
byte[] buf = new byte[1024 * 1024];
int len;
while ((len = fs.Read(buf, 0, buf.Length)) > 0)
{
using (var stream = new FileStream(path, FileMode.Append | FileMode.OpenOrCreate))
{
stream.Write(buf, 0, len);
}
}
}
}
catch (Exception ex)
{
LogUtil.Default.Log("Exception reading User " + userList[i].Name + "'s constraints");
}
}
}
public MainWindow()
{
LogUtil.Default.Log("Ceremony Server Started...");
InitializeComponent();
StartRPCService();
//check ceremony status and if the ceremony is started, start timeinterval.
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
ceremonySQL.GetLastParticipantTime();
int selectedUserIndex = ceremonySQL.reconnect().GetSelectedUserIndex();
int userIndex = ceremonySQL.reconnect().GetUserIndex();
var lastParticipantTime = ceremonySQL.reconnect().GetLastParticipantTime();
if (ceremonySQL.reconnect().GetCeremonyStatus() == CeremonyStatus.CEREMONY_STATUS_STARTED)
{
if (selectedUserIndex != userIndex)
{
DateTime now = DateTime.Now;
if (DateTimeUtil.Default.GetTimeStamp(DateTime.Now) - lastParticipantTime > PARTICIPANT_INTERVAL)
{
Settings.Default.SendEmailToSelectedUser((int)MailType.MAIL_TYPE_TIMEOUT);
ceremonySQL.reconnect().TimeOutUser();
StartTimeInterval();
}
else
{
StartTimeInterval(PARTICIPANT_INTERVAL - (int)(DateTimeUtil.Default.GetTimeStamp(DateTime.Now) - lastParticipantTime));
}
}
}
}
RefreshView();
}
public bool SendEmailToSelectedUser(int mailType = (int)MailType.MAIL_TYPE_START)
{
try
{
LogUtil.Default.Log("Sending email to selected user...");
using (CeremonySQL ceremonySQL = new CeremonySQL())
{
User user = ceremonySQL.GetSelectedUser();
if (user == null)
{
throw new Exception("No User Selected.");
}
SmtpClient smtpClient = new SmtpClient("quras.io");
smtpClient.Port = 587;
smtpClient.UseDefaultCredentials = false;
smtpClient.Credentials = new NetworkCredential("email", "password");
smtpClient.EnableSsl = true;
String body = "";
// Set email body
if (mailType == (int)MailType.MAIL_TYPE_START)
{
body = "Hi " + user.Name + "!\n\n" +
(ceremonySQL.reconnect().GetSelectedUserIndex() == 1 ? "" : "Now " + (ceremonySQL.reconnect().GetSelectedUserIndex() - 1) + " people have participated to the Quras Trusted Setup.\n") +
"It is your turn to participate to the Quras Trusted Setup.\n\n" +
"You can participate as followings.\n" +
"Step 1. Sign In.\n" +
"1) Enter your email address and password.\n" +
"2) Press \"Sign In\" button to sign in.\n" +
"Step 2.Generate Seed Key\n" +
"1) Wait for your turn. Actually, you can check your turn and ceremony status in the client screen.\n" +
"2) When it is your turn, enter Seed Text and press \"Create Sead\" button. (You can reset your seed text by pressing \"Reset\" button)\n" +
"3) Check the created hex seed and press \"Generate\" button. You can see the status updated.\n\n" +
"And if you don't participate to the Quras Trusted Setup in 90 mins, you will be timeout.\n\n" +
"Thanks.\n" +
"Best Regard.";
}
else if (mailType == (int)MailType.MAIL_TYPE_TIMEOUT)
{
body = "Hi " + user.Name + "!\n\n" +
"You have not participated to the ceremony in 90 mins, So you have been timeout.\n\n" +
"Thanks.\n" +
"Best Regard.";
}
smtpClient.Send("*****@*****.**", user.Email, "Quras Trusted Setup", body);
}
LogUtil.Default.Log("Email has been sent to selected user.");
return(true);
}
catch (Exception ex)
{
LogUtil.Default.Log("Sending email to selected user Failed.");
LogUtil.Default.Log(ex.ToString());
return(false);
}
}
