/// <summary>
/// Updates the connection status page before rendering it.
/// </summary>
/// <param name="sender">Page being updated</param>
/// <param name="e">Update event arguments</param>
private static void UpdateConnectionStatusPage(object sender, UpdateEventArgs e)
{
LcdGdiPage page = (LcdGdiPage)sender;
LcdGdiImage refreshButton = (LcdGdiImage)page.Children[0];
LcdGdiImage backButton = (LcdGdiImage)page.Children[1];
LcdGdiScrollViewer deviceScrollView = (LcdGdiScrollViewer)page.Children[3];
LcdGdiText deviceText = (LcdGdiText)deviceScrollView.Child;
LcdGdiText statusText = (LcdGdiText)page.Children[4];
if (oath != null && oath.HasChallenge())
{
using (var dialog = new PasswordDialog())
{
dialog.OKButton.Click += (_sender, _e) =>
{
try
{
oath.Validate(dialog.PasswordBox.Text);
statusText.Text = "Connected.";
CreateTimer("ConnectionStatusSwitchPage", 2);
}
catch (UnexpectedResponseException)
{
statusText.Text = "Invalid password, try again...";
}
dialog.Close();
};
dialog.CancelButton.Click += (_sender, _e) =>
{
oath = null;
ccid = null;
page.Device.Pages[0].SetAsCurrentDevicePage();
dialog.Close();
};
dialog.ShowDialog();
}
}
if (CheckTimer("ConnectionStatusSwitchPage"))
{
// Update list items
lock (entriesList.Lock)
{
entriesList.Items = oath.List();
entriesList.Changed = true;
// Calculate all keys and update touch info
var codes = oath.CalculateAll();
foreach (var code in codes)
{
if (code.Credential.Touch)
{
var idx = entriesList.Items.FindIndex(item => item.Name.Equals(code.Credential.Name));
if (idx != -1)
{
var item = entriesList.Items[idx];
item.Touch = code.Credential.Touch;
entriesList.Items[idx] = item;
}
}
}
}
// Switch page
page.Device.Pages[2].SetAsCurrentDevicePage();
return;
}
lock (devicesList.Lock)
{
while (actions.TryTake(out Action a))
{
switch (a)
{
case Action.Connect:
try
{
ccid = CCIDDriver.OpenDevice(devicesList.Items[devicesList.Selected]);
oath = new OATHController(ccid);
deviceText.Text = devicesList.Items[devicesList.Selected];
backButton.IsVisible = false;
refreshButton.IsVisible = false;
if (oath.HasChallenge())
{
statusText.Text = "Waiting for password...";
}
else
{
statusText.Text = "Connected.";
CreateTimer("ConnectionStatusSwitchPage", 2);
}
}
catch (ConnectionException)
{
oath = null;
ccid = null;
deviceText.Text = devicesList.Items[devicesList.Selected];
statusText.Text = "Unable to connect.";
backButton.IsVisible = true;
refreshButton.IsVisible = true;
}
break;
}
}
}
}
/// <summary>
/// Updates the device selection page before rendering it.
/// </summary>
/// <param name="sender">Page being updated</param>
/// <param name="e">Update event arguments</param>
private static void UpdateDevicePage(object sender, UpdateEventArgs e)
{
LcdGdiPage page = (LcdGdiPage)sender;
lock (devicesList.Lock)
{
// Update list items
string[] newItems = CCIDDriver.ListReaders();
if (!newItems.Equals(devicesList.Items))
{
devicesList.Changed = true;
}
if (!devicesList.Changed)
{
return;
}
page.Children.Clear();
devicesList.Items = newItems;
if (devicesList.Items == null || devicesList.Items.Length == 0)
{
page.Children.Add(new LcdGdiText
{
Text = "No YubiKey detected.",
Margin = new MarginF(0.0f, 0.0f, 0.0f, 0.0f),
Font = new Font(FontFamily.GenericSansSerif, 7.0f, FontStyle.Underline)
});
}
else
{
// Update list selected state based on new items
while (devicesList.Selected >= devicesList.Items.Length && devicesList.Selected > 0)
{
devicesList.Selected--;
}
// Add button icons
page.Children.Add(new LcdGdiImage
{
Image = Properties.Resources.ArrowUP,
Margin = new MarginF(12.0f, 33.0f, 0.0f, 0.0f)
});
page.Children.Add(new LcdGdiImage
{
Image = Properties.Resources.ArrowDN,
Margin = new MarginF(55.0f, 33.0f, 0.0f, 0.0f)
});
page.Children.Add(new LcdGdiImage
{
Image = Properties.Resources.Check,
Margin = new MarginF(97.0f, 33.0f, 0.0f, 0.0f)
});
// Add list items
for (int i = devicesList.Offset, j = 0; i < devicesList.Items.Length && j < 3; i++, j++)
{
if (i == devicesList.Selected)
{
page.Children.Add(new LcdGdiRectangle(Brushes.Black, new RectangleF(0.0f, j * 11.0f, 161.0f, 12.0f)));
}
page.Children.Add(new LcdGdiScrollViewer
{
Child = new LcdGdiText
{
Text = devicesList.Items[i],
Brush = i == devicesList.Selected ? Brushes.White : Brushes.Black
},
Margin = new MarginF(0.0f, j * 11.0f, 0.0f, 0.0f),
HorizontalAlignment = LcdGdiHorizontalAlignment.Stretch,
VerticalAlignment = LcdGdiVerticalAlignment.Stretch,
AutoScrollX = i == devicesList.Selected
});
}
}
}
}
