public void UpdateView(OmemoDeviceModel device)
{
if (!(device is null))
{
MODEL.Label = string.IsNullOrEmpty(device.deviceLabel) ? (device.deviceId == 0 ? "-" : device.deviceId.ToString()) : device.deviceLabel;
}
}
public void StoreDevices(List <Tuple <OmemoProtocolAddress, string> > devices, string bareJid)
{
IEnumerable <OmemoDeviceModel> newDevices = devices.Select(d => new OmemoDeviceModel(d.Item1)
{
deviceLabel = d.Item2
});
List <OmemoDeviceModel> oldDevices;
AbstractModel model;
if (string.Equals(bareJid, dbAccount.bareJid))
{
oldDevices = dbAccount.omemoInfo.devices;
model = dbAccount.omemoInfo;
}
else
{
OmemoChatInformationModel omemoChatInfo;
using (SemaLock semaLock = DataCache.INSTANCE.NewChatSemaLock())
{
omemoChatInfo = DataCache.INSTANCE.GetChat(dbAccount.bareJid, bareJid, semaLock)?.omemoInfo;
}
model = omemoChatInfo;
oldDevices = omemoChatInfo.devices;
if (model is null)
{
throw new InvalidOperationException("Failed to store devices. Chat '" + bareJid + "' does not exist.");
}
}
using (MainDbContext ctx = new MainDbContext())
{
// Remove old:
for (int i = 0; i < oldDevices.Count; i++)
{
OmemoDeviceModel device = oldDevices[i];
if (newDevices.Where(d => d.deviceId == device.deviceId).FirstOrDefault() is null)
{
ctx.Devices.Remove(device);
oldDevices.RemoveAt(i);
}
}
// Add/Update existing:
foreach (OmemoDeviceModel device in newDevices)
{
OmemoDeviceModel dev = oldDevices.Where(d => d.deviceId == device.deviceId).FirstOrDefault();
if (!(dev is null))
{
dev.deviceLabel = device.deviceLabel;
ctx.Devices.Update(dev);
}
public void OnQrCodeScannerShown(QrCodeScannerDialogDataTemplate model)
{
if (model.Success)
{
Uri uri = null;
try
{
uri = new Uri(model.QrCode);
}
catch (Exception e)
{
Logger.Error("Failed to parse OMEMO fingerprint XMPP URI. Malformed URI: " + model.QrCode, e);
return;
}
if (string.Equals(uri.LocalPath.ToLowerInvariant(), MODEL.Chat.Chat.bareJid.ToLowerInvariant()))
{
IUriAction action = UriUtils.parse(uri);
if (action is OmemoFingerprintUriAction fingerprintUriAction)
{
OmemoDeviceModel device = MODEL.Chat.Chat.omemoInfo.devices.Where(d => d.deviceId == fingerprintUriAction.FINGERPRINT.ADDRESS.DEVICE_ID).FirstOrDefault();
using (MainDbContext ctx = new MainDbContext())
{
if (device is null)
{
device = new OmemoDeviceModel(fingerprintUriAction.FINGERPRINT.ADDRESS)
{
fingerprint = new OmemoFingerprintModel(fingerprintUriAction.FINGERPRINT)
{
trusted = true
}
};
ctx.Add(device);
MODEL.Chat.Chat.omemoInfo.devices.Add(device);
ctx.Update(MODEL.Chat.Chat.omemoInfo);
}
else
{
device.fingerprint.FromOmemoFingerprint(fingerprintUriAction.FINGERPRINT);
device.fingerprint.trusted = true;
ctx.Update(device.fingerprint.identityKey);
ctx.Update(device.fingerprint);
}
}
Logger.Info("Scanned OMEMO fingerprint successful.");
Logger.Debug("Fingerprint: " + fingerprintUriAction.FINGERPRINT.ADDRESS.ToString());
LoadFingerprints();
}
else
{
Logger.Warn("Failed to parse OMEMO fingerprint XMPP URI. Not an " + nameof(OmemoFingerprintUriAction) + ".");
}
}
else
{
Logger.Warn("Failed to parse OMEMO fingerprint XMPP URI. Wrong chat: " + uri.LocalPath);
}
}
}
