private void SaveSettings(Settings settings)
{
settings.Enabled = isEnabledCheckBox.Checked;
if (revokeAllCheckBox.Checked)
{
RevokeAllKeys();
}
if (isEnabledCheckBox.Checked)
{
var newInvalidatingTime = TimeSpan.FromMilliseconds(IndexToPeriod(validPeriodComboBox.SelectedIndex));
if (settings.InvalidatingTime != newInvalidatingTime)
{
settings.InvalidatingTime = newInvalidatingTime;
}
settings.RevokeOnCancel = revokeOnCancel.Checked;
if (settings.WinStorageEnabled != winKeyStorageCheckBox.Checked)
{
if (_keyManager != null)
{
using (AuthProviderUIContext.With(Settings.KeyCreationConfirmationMessage, this.Handle))
{
if (SystemInformation.TerminalServerSession) // RDP
{
MessageBox.Show(AuthProviderUIContext.Current,
"Changing storage location setting on a remote session is not permitted",
Settings.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
try
{
settings.WinStorageEnabled = winKeyStorageCheckBox.Checked;
var authCacheType = settings.GetAuthCacheType();
_keyManager.ClaimCurrentCacheType(authCacheType);
}
catch (AuthProviderUserCancelledException)
{
TryClaimLocalCacheType();
MessageBox.Show(AuthProviderUIContext.Current,
"Creating persistent key for Credential Manager has been canceled",
Settings.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception ex)
{
TryClaimLocalCacheType();
ErrorHandler.ShowError(ex);
}
}
}
}
}
}
private bool ExtractCompositeKey(string dbPath, out CompositeKey compositeKey)
{
compositeKey = null;
if (String.IsNullOrEmpty(dbPath))
{
return(false);
}
ProtectedKey encryptedData;
if (!_keyStorage.TryGetValue(dbPath, out encryptedData))
{
return(false);
}
try
{
using (AuthProviderUIContext.With(Settings.DecryptConfirmationMessage, _keePassMainWindowHandle))
{
compositeKey = encryptedData.GetCompositeKey(_keyCipher);
return(true);
}
}
catch (AuthProviderInvalidKeyException)
{
// The key might be compromised so we revoke all stored passwords
ClaimCurrentCacheType(AuthCacheType.Local);
throw;
}
catch (AuthProviderUserCancelledException)
{
if (Settings.Instance.RevokeOnCancel)
{
_keyStorage.Remove(dbPath);
}
throw;
}
catch (Exception)
{
_keyStorage.Remove(dbPath);
throw;
}
}