private async void OnAddDialogSubmit(object sender, EditCategoryBottomSheet.EditCategoryEventArgs e)
{
var dialog = (EditCategoryBottomSheet)sender;
var category = new Category(e.Name);
if (_categorySource.IsDuplicate(category))
{
dialog.NameError = GetString(Resource.String.duplicateCategory);
return;
}
try
{
await _categorySource.Add(category);
}
catch
{
ShowSnackbar(Resource.String.genericError, Snackbar.LengthShort);
return;
}
finally
{
RunOnUiThread(dialog.Dismiss);
}
RunOnUiThread(delegate
{
_categoryListAdapter.NotifyDataSetChanged();
CheckEmptyState();
});
}
private async Task <Tuple <int, int> > DoRestore(byte[] fileData, string password)
{
var backup = Backup.FromBytes(fileData, password);
if (backup.Authenticators == null)
{
throw new InvalidAuthenticatorException();
}
var authsInserted = 0;
var categoriesInserted = 0;
foreach (var auth in backup.Authenticators.Where(auth => !_authenticatorSource.IsDuplicate(auth)))
{
auth.Validate();
await _connection.InsertAsync(auth);
authsInserted++;
}
foreach (var category in backup.Categories.Where(category => !_categorySource.IsDuplicate(category)))
{
await _connection.InsertAsync(category);
categoriesInserted++;
}
foreach (var binding in backup.AuthenticatorCategories.Where(binding => !_authenticatorSource.IsDuplicateCategoryBinding(binding)))
{
await _connection.InsertAsync(binding);
}
return(new Tuple <int, int>(authsInserted, categoriesInserted));
}
private async void OnAddDialogSubmit(object sender, EditCategoryBottomSheet.EditCategoryEventArgs e)
{
var category = new Category(e.Name);
if (_categorySource.IsDuplicate(category))
{
_addDialog.NameError = GetString(Resource.String.duplicateCategory);
return;
}
_addDialog.Dismiss();
await _connection.InsertAsync(category);
await _categorySource.Update();
_categoryListAdapter.NotifyDataSetChanged();
CheckEmptyState();
}
private async void AddDialogPositive(object sender, EventArgs e)
{
if (_addDialog.Name.Trim() == "")
{
_addDialog.Error = GetString(Resource.String.noCategoryName);
return;
}
var category = new Category(_addDialog.Name.Truncate(32));
if (_categorySource.IsDuplicate(category))
{
_addDialog.Error = GetString(Resource.String.duplicateCategory);
return;
}
_addDialog.Dismiss();
await _connection.InsertAsync(category);
await _categorySource.Update();
_categoryAdapter.NotifyDataSetChanged();
CheckEmptyState();
}
private async Task <Tuple <int, int> > DoRestore(byte[] fileData, string password)
{
var backup = Backup.FromBytes(fileData, password);
if (backup.Authenticators == null)
{
throw new ArgumentException();
}
var authsInserted = 0;
var categoriesInserted = 0;
foreach (var auth in backup.Authenticators.Where(auth => !_authSource.IsDuplicate(auth)))
{
if (!auth.IsValid())
{
continue;
}
await _connection.InsertAsync(auth);
authsInserted++;
}
foreach (var category in backup.Categories.Where(category => !_categorySource.IsDuplicate(category)))
{
await _connection.InsertAsync(category);
categoriesInserted++;
}
foreach (var binding in backup.AuthenticatorCategories.Where(binding => !_authSource.IsDuplicateCategoryBinding(binding)))
{
await _connection.InsertAsync(binding);
}
// Older backups might not have custom icons
if (backup.CustomIcons != null)
{
foreach (var icon in backup.CustomIcons.Where(i => !_customIconSource.IsDuplicate(i.Id)))
{
await _connection.InsertAsync(icon);
}
}
return(new Tuple <int, int>(authsInserted, categoriesInserted));
}
private async Task Restore(string password = "")
{
try
{
string contents;
if (String.IsNullOrEmpty(password))
{
contents = Encoding.UTF8.GetString(_fileData);
}
else
{
var sha256 = SHA256.Create();
var passwordBytes = Encoding.UTF8.GetBytes(password);
var keyMaterial = sha256.ComputeHash(passwordBytes);
var provider =
WinRTCrypto.SymmetricKeyAlgorithmProvider.OpenAlgorithm(SymmetricAlgorithm.AesCbcPkcs7);
var key = provider.CreateSymmetricKey(keyMaterial);
var raw = WinRTCrypto.CryptographicEngine.Decrypt(key, _fileData);
contents = Encoding.UTF8.GetString(raw);
_dialog.Dismiss();
}
var backup = JsonConvert.DeserializeObject <Backup>(contents);
if (backup.Authenticators == null)
{
Toast.MakeText(this, Resource.String.invalidFileError, ToastLength.Short).Show();
return;
}
var authsInserted = 0;
var categoriesInserted = 0;
foreach (var auth in backup.Authenticators.Where(auth => !_authSource.IsDuplicate(auth)))
{
await _connection.InsertAsync(auth);
authsInserted++;
}
foreach (var category in backup.Categories.Where(category => !_categorySource.IsDuplicate(category)))
{
await _connection.InsertAsync(category);
categoriesInserted++;
}
foreach (var binding in backup.AuthenticatorCategories.Where(binding => !_authSource.IsDuplicateCategoryBinding(binding)))
{
await _connection.InsertAsync(binding);
}
var message = String.Format(GetString(Resource.String.restoredFromBackup), authsInserted,
categoriesInserted);
Toast.MakeText(this, message, ToastLength.Long).Show();
Finish();
}
catch
{
_dialog.Error = GetString(Resource.String.restoreError);
}
}