private async void SaveUser()
{
try
{
UContact contact = new UContact(this.contact);
contact.NickName = nickNameEntry.Text;
contact.AlarmPermission = alarmSwitch.IsToggled;
using (Context context = new Context(settings.Config))
{
PushOperations.Update(context, contact, settings.UserPublicId, settings.UserPublicId);
}
if (contact.Trusted != trustedSwitch.IsToggled)
{
await SaveTrustification(trustedSwitch.IsToggled);
}
await Navigation.PopModalAsync();
}
catch (Exception ex)
{
app.logger.LogException(this, ex);
ShowError(ex.Source, ex.Message);
}
}
static void RenameThread(long threadId, string newName)
{
using (Context context = new Context(config))
{
var toRename = new UMessageThread(context.MessagesThread
.Where(u => u.Id == threadId)
.Single(), settings.UserPublicId);
toRename.Name = newName;
PushOperations.Update(context, toRename, toRename.WithUser, settings.UserPublicId);
context.SaveChanges();
}
}
static void SetNickName(int userId, string nickName)
{
using (Context context = new Context(config))
{
UContact contact = new UContact(
context.Contacts
.Where(u => u.PublicId == userId)
.Single());
contact.NickName = nickName;
PushOperations.Update(context, contact, settings.UserPublicId, settings.UserPublicId);
}
}
public int Pull()
{
int changes = 0;
ThrowExceptionIfNotConnected();
lock (mutex)
{
Log("Sending PULL command.");
BinaryEncoder.SendCommand(stream, ConnectionCommand.PULL);
#if (DEBUG)
Log("Sending ClientPullCapsula.");
#endif
ClientPullCapsula clientCapsula;
using (Context context = new Context(config))
{
clientCapsula = new ClientPullCapsula()
{
AesKeysUserIds = context.Contacts
.Where(u => u.ReceiveAesKey == null)
.Select(u => u.PublicId)
.ToArray()
};
}
TextEncoder.SendJson(stream, clientCapsula);
ServerPullCapsula capsula = TextEncoder.ReadJson <ServerPullCapsula>(stream);
#if (DEBUG)
Log("Received ServerPullCapsula.");
#endif
changes += capsula.AesKeysUserIds.Count;
changes += capsula.Messages.Count;
using (Context context = new Context(config))
{
#if (DEBUG)
Log("Receiving and saving AES keys.");
#endif
foreach (var id in capsula.AesKeysUserIds)
{
var user = new UContact(context.Contacts.Where(con => con.PublicId == id).SingleOrDefault());
try
{
user.ReceiveAesKey = RSAEncoder.DecryptAndVerify(BinaryEncoder.ReceiveBytes(stream), MyCertificate, X509Certificate2Utils.ImportFromPem(user.PublicCertificate));
}
catch (Exception ex)
{
Log($"Loading of Receive AESKey from {user.PublicId} has failed.");
logger.LogException(this, ex);
}
PushOperations.Update(context, user, UserId, UserId);
}
context.SaveChanges();
#if (DEBUG)
Log("Receiving and saving messages.");
#endif
foreach (PullMessage metaMessage in capsula.Messages)
{
BlobMessages metaBlob = new BlobMessages()
{
PublicId = metaMessage.PublicId,
SenderId = metaMessage.SenderId,
Failed = 0,
DoDelete = 0
};
context.BlobMessages.Add(metaBlob);
context.SaveChanges();
try
{
PullMessageParser.ParseEncryptedMessage(context, BinaryEncoder.ReceiveBytes(stream), metaBlob.SenderId, metaBlob.Id, UserId);
}
catch (Exception ex)
{
Log($"Loading of message {metaMessage.PublicId} has failed.");
metaBlob.Failed = 1;
logger.LogException(this, ex);
}
context.SaveChanges();
}
}
Log("Pull have been done.");
}
return(changes);
}
