public async Task BeginLinking()
{
try
{
CancelSource = new CancellationTokenSource();
string deviceName = DeviceName;
LinkingTask = Task.Run(() =>
{
/* clean the database from stale values */
LibsignalDBContext.PurgeAccountData();
/* prepare qrcode */
string password = Base64.encodeBytes(Util.getSecretBytes(18));
IdentityKeyPair tmpIdentity = KeyHelper.generateIdentityKeyPair();
SignalServiceAccountManager accountManager = new SignalServiceAccountManager(App.ServiceUrls, CancelSource.Token, "Signal-Windows");
string uuid = accountManager.GetNewDeviceUuid(CancelSource.Token);
string tsdevice = "tsdevice:/?uuid=" + Uri.EscapeDataString(uuid) + "&pub_key=" + Uri.EscapeDataString(Base64.encodeBytesWithoutPadding(tmpIdentity.getPublicKey().serialize()));
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
View.SetQR(tsdevice);
QRVisible = Visibility.Visible;
QRCodeString = tsdevice;
}).AsTask().Wait();
string tmpSignalingKey = Base64.encodeBytes(Util.getSecretBytes(52));
int registrationId = (int)KeyHelper.generateRegistrationId(false);
NewDeviceLinkResult result = accountManager.FinishNewDeviceRegistration(tmpIdentity, tmpSignalingKey, password, false, true, registrationId, deviceName);
SignalStore store = new SignalStore()
{
DeviceId = (uint)result.DeviceId,
IdentityKeyPair = Base64.encodeBytes(result.Identity.serialize()),
NextSignedPreKeyId = 1,
Password = password,
PreKeyIdOffset = 1,
Registered = true,
RegistrationId = (uint)registrationId,
SignalingKey = tmpSignalingKey,
Username = result.Number
};
LibsignalDBContext.SaveOrUpdateSignalStore(store);
/* reload registered state */
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
UIEnabled = false;
App.Store = store;
}).AsTask().Wait();
/* create prekeys */
LibsignalDBContext.RefreshPreKeys(new SignalServiceAccountManager(App.ServiceUrls, store.Username, store.Password, (int)store.DeviceId, App.USER_AGENT));
/* reload again with prekeys and their offsets */
store = LibsignalDBContext.GetSignalStore();
Debug.WriteLine("success!");
Windows.ApplicationModel.Core.CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
{
App.Store = store;
View.Finish(true);
}).AsTask().Wait();
});
await LinkingTask;
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
Debug.WriteLine(e.StackTrace);
}
}
public async Task BeginLinking()
{
try
{
CancelSource = new CancellationTokenSource();
// clean the database from stale values
await Task.Run(() =>
{
LibsignalDBContext.PurgeAccountData();
});
(string password, IdentityKeyPair tmpIdentity) = await Task.Run(() =>
{
string newPassword = Base64.EncodeBytes(Util.GetSecretBytes(18));
IdentityKeyPair newTmpIdentity = KeyHelper.generateIdentityKeyPair();
return(newPassword, newTmpIdentity);
});
// fetch new device uuid
SignalServiceAccountManager accountManager = new SignalServiceAccountManager(App.ServiceConfiguration, "Signal-Windows", new SignalWebSocketFactory());
string uuid = await accountManager.GetNewDeviceUuid(CancelSource.Token, new SignalWebSocketFactory());
string tsdevice = "tsdevice:/?uuid=" + Uri.EscapeDataString(uuid) + "&pub_key=" + Uri.EscapeDataString(Base64.EncodeBytesWithoutPadding(tmpIdentity.getPublicKey().serialize()));
View.SetQR(tsdevice); //TODO generate qrcode in worker task
QRVisible = Visibility.Visible;
QRCodeString = tsdevice;
string tmpSignalingKey = Base64.EncodeBytes(Util.GetSecretBytes(52));
int registrationId = (int)KeyHelper.generateRegistrationId(false);
var provisionMessage = await accountManager.GetProvisioningMessage(CancelSource.Token, tmpIdentity);
int deviceId = await accountManager.FinishNewDeviceRegistration(CancelSource.Token, provisionMessage, tmpSignalingKey, password, false, true, registrationId, View.GetDeviceName());
SignalStore store = new SignalStore()
{
DeviceId = (uint)deviceId,
IdentityKeyPair = Base64.EncodeBytes(provisionMessage.Identity.serialize()),
NextSignedPreKeyId = 1,
Password = password,
PreKeyIdOffset = 1,
Registered = true,
RegistrationId = (uint)registrationId,
SignalingKey = tmpSignalingKey,
Username = provisionMessage.Number
};
await Task.Run(() =>
{
LibsignalDBContext.SaveOrUpdateSignalStore(store);
});
// reload registered state
UIEnabled = false;
App.Handle.Store = store;
// create prekeys
await LibsignalDBContext.RefreshPreKeys(CancelSource.Token, new SignalServiceAccountManager(App.ServiceConfiguration, store.Username, store.Password, (int)store.DeviceId, App.USER_AGENT));
// reload again with prekeys and their offsets
App.Handle.Store = LibsignalDBContext.GetSignalStore();
await View.Finish(true);
}
catch (Exception e)
{
var line = new StackTrace(e, true).GetFrames()[0].GetFileLineNumber();
Logger.LogError("BeginLinking() failed in line {0}: {1}\n{2}", line, e.Message, e.StackTrace);
}
}