private void OnSelectLocationClick(object sender, EventArgs args)
{
var intent = new Intent(Intent.ActionOpenDocumentTree);
intent.AddFlags(ActivityFlags.GrantReadUriPermission | ActivityFlags.GrantWriteUriPermission |
ActivityFlags.GrantPersistableUriPermission | ActivityFlags.GrantPrefixUriPermission);
if (_preferences.AutoBackupUri != null)
{
intent.PutExtra(DocumentsContract.ExtraInitialUri, _preferences.AutoBackupUri);
}
var baseApplication = ((SettingsActivity)Context).BaseApplication;
baseApplication.PreventNextAutoLock = true;
try
{
_locationSelectResultLauncher.Launch(intent);
}
catch (ActivityNotFoundException e)
{
Logger.Error(e);
Toast.MakeText(Context, Resource.String.filePickerMissing, ToastLength.Long);
baseApplication.PreventNextAutoLock = false;
}
}
private async Task <RestoreResult> RestoreFromDir(Uri destUri)
{
if (!HasPersistablePermissionsAtUri(destUri))
{
throw new Exception("No permission at URI");
}
var directory = DocumentFile.FromTreeUri(_context, destUri);
var files = directory.ListFiles();
var mostRecentBackup = files
.Where(f => f.IsFile && f.Type == Backup.MimeType && f.Name.EndsWith(Backup.FileExtension) && f.Length() > 0 && f.CanRead())
.OrderByDescending(f => f.LastModified())
.FirstOrDefault();
if (mostRecentBackup == null || mostRecentBackup.LastModified() <= _preferences.MostRecentBackupModifiedAt)
{
return(new RestoreResult());
}
_preferences.MostRecentBackupModifiedAt = mostRecentBackup.LastModified();
var password = await SecureStorageWrapper.GetAutoBackupPassword();
if (password == null)
{
throw new Exception("No password defined.");
}
var data = await FileUtil.ReadFile(_context, mostRecentBackup.Uri);
var backup = Backup.FromBytes(data, password);
var(authsAdded, authsUpdated) = await _authSource.AddOrUpdateMany(backup.Authenticators);
var categoriesAdded = backup.Categories != null
? await _categorySource.AddMany(backup.Categories)
: 0;
if (backup.AuthenticatorCategories != null)
{
await _authSource.AddOrUpdateManyCategoryBindings(backup.AuthenticatorCategories);
}
var customIconsAdded = backup.CustomIcons != null
? await _customIconSource.AddMany(backup.CustomIcons)
: 0;
try
{
await _customIconSource.CullUnused();
}
catch (Exception e)
{
// ignored
Logger.Error(e);
}
return(new RestoreResult(authsAdded, authsUpdated, categoriesAdded, customIconsAdded));
}
private void UpdateLocationStatusText()
{
var uri = _preferences.AutoBackupUri;
if (uri == null)
{
_locationStatusText.SetText(Resource.String.noLocationSelected);
return;
}
string dirName;
try
{
dirName = FileUtil.GetDocumentName(Context.ContentResolver, uri);
}
catch (Exception e)
{
Logger.Error(e);
dirName = "Unknown";
}
_locationStatusText.Text = String.Format(GetString(Resource.String.locationSetTo), dirName);
}
private async Task <Result> DoWorkAsync()
{
var destination = _preferences.AutoBackupUri;
var restoreTriggered = _preferences.AutoRestoreTrigger;
_preferences.AutoRestoreTrigger = false;
var backupTriggered = _preferences.AutoBackupTrigger;
_preferences.AutoBackupTrigger = false;
var restoreSucceeded = true;
if (!backupTriggered && (restoreTriggered || _preferences.AutoRestoreEnabled))
{
try
{
await _initTask.Value;
var result = await RestoreFromDir(destination);
if (!result.IsVoid() || restoreTriggered)
{
ShowNotification(NotificationContext.RestoreSuccess, true, result);
}
if (!result.IsVoid())
{
_preferences.AutoRestoreCompleted = true;
}
}
catch (Exception e)
{
restoreSucceeded = false;
ShowNotification(NotificationContext.RestoreFailure, true);
Logger.Error(e);
}
}
var backupSucceeded = true;
if (!restoreTriggered && (backupTriggered || (_preferences.AutoBackupEnabled && restoreSucceeded &&
_preferences.BackupRequired !=
BackupRequirement.NotRequired)))
{
try
{
await _initTask.Value;
var result = await BackupToDir(destination);
ShowNotification(NotificationContext.BackupSuccess, false, result);
_preferences.BackupRequired = BackupRequirement.NotRequired;
// Don't update value if backup triggered, won't combine with restore
if (!result.IsVoid() && !backupTriggered)
{
_preferences.MostRecentBackupModifiedAt = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
}
}
catch (Exception e)
{
backupSucceeded = false;
ShowNotification(NotificationContext.BackupFailure, true);
Logger.Error(e);
}
}
if (_shouldCloseDatabase)
{
await _database.Close();
}
return(backupSucceeded && restoreSucceeded
? Result.InvokeSuccess()
: Result.InvokeFailure());
}
