public override byte[] GetKey(KeyProviderQueryContext ctx)
{
byte[] key = null;
try
{
KeePassRFIDConfig rfidConfig = KeePassRFIDConfig.GetFromCurrentSession();
ChipAction(new Action <Chip>(delegate(Chip chip)
{
if (rfidConfig.KeyType == KeyType.NFC)
{
// Only tag type 4 supported for now.
NFCTagCardService nfcsvc = chip.getService(CardServiceType.CST_NFC_TAG) as NFCTagCardService;
if (nfcsvc == null)
{
throw new KeePassRFIDException(Properties.Resources.UnsupportedNFCTag);
}
NdefMessage msg = nfcsvc.readNDEF();
if (msg.getRecordCount() > 0)
{
NdefRecordCollection records = msg.getRecords();
if (records.Count > 0)
{
// Always use first record only
NdefRecord record = records[0];
// Don't care about payload type, use whole payload as the key
UCharCollection payload = record.getPayload();
if (payload.Count > 0)
{
key = payload.ToArray();
}
}
}
}
else
{
UCharCollection csn = chip.getChipIdentifier();
if (csn.Count > 0)
{
key = csn.ToArray();
}
}
}), rfidConfig);
}
catch (KeePassRFIDException ex)
{
MessageBox.Show(ex.Message, Properties.Resources.PluginError, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
return(key);
}
private void OptionsForm_Load(object sender, EventArgs e)
{
try
{
RefreshReaderProviders();
SetConfiguration(KeePassRFIDConfig.GetFromCurrentSession());
}
catch (COMException)
{
MessageBox.Show(Properties.Resources.RFIDInitError, Properties.Resources.PluginError, MessageBoxButtons.OK, MessageBoxIcon.Error);
this.Close();
}
}
public static void ChipAction(Action <Chip> action, KeePassRFIDConfig rfidConfig)
{
if (rfidConfig == null)
{
rfidConfig = KeePassRFIDConfig.GetFromCurrentSession();
}
ReaderProvider readerProvider;
try
{
LibraryManager libmgt = LibraryManager.getInstance();
readerProvider = libmgt.getReaderProvider(!String.IsNullOrEmpty(rfidConfig.ReaderProvider) ? rfidConfig.ReaderProvider : "PCSC");
if (readerProvider == null)
{
throw new KeePassRFIDException(Properties.Resources.RFIDConfigurationError);
}
}
catch (LibLogicalAccessException ex)
{
throw new KeePassRFIDException(Properties.Resources.RFIDInitError, ex);
}
ReaderUnit readerUnit = null;
if (String.IsNullOrEmpty(rfidConfig.ReaderUnit))
{
readerUnit = readerProvider.createReaderUnit();
if (readerUnit == null)
{
throw new KeePassRFIDException(Properties.Resources.RFIDReaderInitError);
}
}
else
{
var readers = readerProvider.getReaderList();
foreach (ReaderUnit reader in readers)
{
if (reader.getName() == rfidConfig.ReaderUnit)
{
readerUnit = reader;
break;
}
}
}
if (readerUnit == null)
{
throw new KeePassRFIDException(Properties.Resources.RFIDReaderNotFound);
}
try
{
if (readerUnit.connectToReader())
{
// Optionally force card type
if (!string.IsNullOrEmpty(rfidConfig.CardType))
{
readerUnit.setCardType(rfidConfig.CardType);
}
// Don't wait for chip insertion, it must already be on the reader
if (readerUnit.waitInsertion(1))
{
if (readerUnit.connect())
{
Chip chip = readerUnit.getSingleChip();
if (chip != null)
{
action(chip);
}
else
{
ShowError(Properties.Resources.NoChipError);
}
readerUnit.disconnect();
}
else
{
ShowError(Properties.Resources.CardConnectionFailed);
}
readerUnit.waitRemoval(1);
}
else
{
ShowError(Properties.Resources.NoCardInserted);
}
readerUnit.disconnectFromReader();
}
else
{
ShowError(Properties.Resources.ReaderConnectionFailed);
}
}
catch (LibLogicalAccessException ex)
{
ShowError(ex.Message);
}
GC.KeepAlive(readerUnit);
GC.KeepAlive(readerProvider);
}