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Code Issues Releases Wiki Activity

QR code scanning for authenticator keys

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This commit is contained in:
Kyle Spearrin
2017-07-13 17:23:18 -04:00
parent 26c110291e
commit 87e71ea860
16 changed files with 319 additions and 4 deletions
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148
src/App/Pages/ScanPage.cs Normal file
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@@ -0,0 +1,148 @@
using Bit.App.Controls;
using Bit.App.Resources;
using System;
using System.Collections.Generic;
using Xamarin.Forms;
using ZXing.Net.Mobile.Forms;
namespace Bit.App.Pages
{
public class ScanPage : ExtendedContentPage
{
private readonly ZXingScannerView _zxing;
private readonly OverlayGrid _overlay;
public ScanPage(Action<string> callback)
: base(updateActivity: false)
{
_zxing = new ZXingScannerView
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
AutomationId = "zxingScannerView",
Options = new ZXing.Mobile.MobileBarcodeScanningOptions
{
UseNativeScanning = true,
PossibleFormats = new List<ZXing.BarcodeFormat> { ZXing.BarcodeFormat.QR_CODE },
AutoRotate = false
}
};
_zxing.OnScanResult += (result) =>
{
// Stop analysis until we navigate away so we don't keep reading barcodes
_zxing.IsAnalyzing = false;
_zxing.IsScanning = false;
Uri uri;
if(!string.IsNullOrWhiteSpace(result.Text) && Uri.TryCreate(result.Text, UriKind.Absolute, out uri) &&
!string.IsNullOrWhiteSpace(uri.Query))
{
var queryParts = uri.Query.Substring(1).ToLowerInvariant().Split('&');
foreach(var part in queryParts)
{
if(part.StartsWith("secret="))
{
callback(part.Substring(7)?.ToUpperInvariant());
return;
}
}
}
callback(null);
};
_overlay = new OverlayGrid
{
AutomationId = "zxingDefaultOverlay"
};
_overlay.TopLabel.Text = AppResources.CameraInstructionTop;
_overlay.BottomLabel.Text = AppResources.CameraInstructionBottom;
var grid = new Grid
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children = { _zxing, _overlay }
};
if(Device.RuntimePlatform == Device.iOS)
{
ToolbarItems.Add(new DismissModalToolBarItem(this, AppResources.Close));
}
Title = AppResources.ScanQrTitle;
Content = grid;
}
protected override void OnAppearing()
{
base.OnAppearing();
_zxing.IsScanning = true;
}
protected override void OnDisappearing()
{
_zxing.IsScanning = false;
base.OnDisappearing();
}
public class OverlayGrid : Grid
{
public OverlayGrid()
{
VerticalOptions = LayoutOptions.FillAndExpand;
HorizontalOptions = LayoutOptions.FillAndExpand;
RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) });
RowDefinitions.Add(new RowDefinition { Height = new GridLength(2, GridUnitType.Star) });
RowDefinitions.Add(new RowDefinition { Height = new GridLength(1, GridUnitType.Star) });
Children.Add(new BoxView
{
VerticalOptions = LayoutOptions.Fill,
HorizontalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.Black,
Opacity = 0.7,
}, 0, 0);
Children.Add(new BoxView
{
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.Transparent
}, 0, 1);
Children.Add(new BoxView
{
VerticalOptions = LayoutOptions.Fill,
HorizontalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.Black,
Opacity = 0.7,
}, 0, 2);
TopLabel = new Label
{
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
TextColor = Color.White,
AutomationId = "zxingDefaultOverlay_TopTextLabel",
};
Children.Add(TopLabel, 0, 0);
BottomLabel = new Label
{
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
TextColor = Color.White,
AutomationId = "zxingDefaultOverlay_BottomTextLabel",
};
Children.Add(BottomLabel, 0, 2);
}
public Label TopLabel { get; set; }
public Label BottomLabel { get; set; }
}
}
}

21
src/App/Pages/Vault/VaultAddLoginPage.cs
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@@ -276,9 +276,26 @@ namespace Bit.App.Pages
PasswordCell.Button.Image = "eye" + (!PasswordCell.Entry.IsPasswordFromToggled ? "_slash" : string.Empty);
}
private void TotpButton_Clicked(object sender, EventArgs e)
private async void TotpButton_Clicked(object sender, EventArgs e)
{
// launch camera
var scanPage = new ScanPage((key) =>
{
Device.BeginInvokeOnMainThread(async () =>
{
await Navigation.PopModalAsync();
if(!string.IsNullOrWhiteSpace(key))
{
TotpCell.Entry.Text = key;
_userDialogs.Toast(AppResources.AuthenticatorKeyAdded);
}
else
{
_userDialogs.Alert(AppResources.AuthenticatorKeyReadError);
}
});
});
await Navigation.PushModalAsync(new ExtendedNavigationPage(scanPage));
}
private async void GenerateCell_Tapped(object sender, EventArgs e)

21
src/App/Pages/Vault/VaultEditLoginPage.cs
View File

@@ -298,9 +298,26 @@ namespace Bit.App.Pages
PasswordCell.Button.Image = "eye" + (!PasswordCell.Entry.IsPasswordFromToggled ? "_slash" : string.Empty);
}
private void TotpButton_Clicked(object sender, EventArgs e)
private async void TotpButton_Clicked(object sender, EventArgs e)
{
// launch camera
var scanPage = new ScanPage((key) =>
{
Device.BeginInvokeOnMainThread(async () =>
{
await Navigation.PopModalAsync();
if(!string.IsNullOrWhiteSpace(key))
{
TotpCell.Entry.Text = key;
_userDialogs.Toast(AppResources.AuthenticatorKeyAdded);
}
else
{
_userDialogs.Alert(AppResources.AuthenticatorKeyReadError);
}
});
});
await Navigation.PushModalAsync(new ExtendedNavigationPage(scanPage));
}
private async void GenerateCell_Tapped(object sender, EventArgs e)