private void ReadFIDODevices()
{
//Read all FIDO devices
var devPaths = new List <string>();
devPaths.AddRange(HIDAuthenticatorConnector.GetAllFIDODevicePaths());
//Any new devices, add a new connector object for it to the collection
foreach (var devPath in devPaths)
{
if (!fidoDevices.ContainsKey(devPath))
{
fidoDevices[devPath] = new HIDAuthenticatorConnector(devPath);
fidoDevices[devPath].KeepAlive += OnKeepAlive;
}
}
//Remove devices from the collection that are no longer present
List <string> removedDevices = new List <string>();
removedDevices.AddRange(fidoDevices.Keys.Where(k => !devPaths.Contains(k)));
foreach (var toRemove in removedDevices)
{
fidoDevices[toRemove].KeepAlive -= OnKeepAlive;
fidoDevices.Remove(toRemove);
}
}
private void GetFirstUSBDevice()
{
List <string> fidoDevices = HIDAuthenticatorConnector.GetAllFIDODevicePaths();
if (fidoDevices.Count == 0)
{
//If there are no devices then we have no need for a connector
con = null;
return;
}
//If we already have a connector linked to this device then no further action is required
if (fidoDevices.Contains(con?.GetDevicePath()))
{
return;
}
//Configure a new connector using the first returned device
if (!(con is null))
{
con.KeepAlive -= OnKeepAlive;
}
con = new HIDAuthenticatorConnector(fidoDevices[0]);
con.KeepAlive += OnKeepAlive;
}