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[BEEEP] Support for automatic TOTP token copy via external autofill (Android) (#2220)

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* Android: Support for automatic TOTP copy via external autofill

* update iOS autofill interface

* additional tweaks
This commit is contained in:
mp-bw 2022-12-05 12:49:34 -05:00 committed by GitHub
parent bafd9ff85d
commit 6973a0b71c
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GPG Key ID: 4AEE18F83AFDEB23
11 changed files with 115 additions and 43 deletions
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16
src/Android/Android.csproj
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@ -15,7 +15,7 @@
<AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
<MonoAndroidResourcePrefix>Resources</MonoAndroidResourcePrefix>
<MonoAndroidAssetsPrefix>Assets</MonoAndroidAssetsPrefix>
<TargetFrameworkVersion>v12.1</TargetFrameworkVersion>
<TargetFrameworkVersion>v13.0</TargetFrameworkVersion>
<AndroidHttpClientHandlerType>Xamarin.Android.Net.AndroidClientHandler</AndroidHttpClientHandlerType>
<NuGetPackageImportStamp>
</NuGetPackageImportStamp>
@ -77,12 +77,12 @@
<PackageReference Include="Portable.BouncyCastle">
<Version>1.9.0</Version>
</PackageReference>
<PackageReference Include="Xamarin.AndroidX.AppCompat" Version="1.5.1" />
<PackageReference Include="Xamarin.AndroidX.AutoFill" Version="1.1.0.13" />
<PackageReference Include="Xamarin.AndroidX.CardView" Version="1.0.0.16" />
<PackageReference Include="Xamarin.AndroidX.Core" Version="1.9.0" />
<PackageReference Include="Xamarin.AndroidX.Legacy.Support.V4" Version="1.0.0.14" />
<PackageReference Include="Xamarin.AndroidX.MediaRouter" Version="1.3.1" />
<PackageReference Include="Xamarin.AndroidX.AppCompat" Version="1.5.1.1" />
<PackageReference Include="Xamarin.AndroidX.AutoFill" Version="1.1.0.14" />
<PackageReference Include="Xamarin.AndroidX.CardView" Version="1.0.0.17" />
<PackageReference Include="Xamarin.AndroidX.Core" Version="1.9.0.1" />
<PackageReference Include="Xamarin.AndroidX.Legacy.Support.V4" Version="1.0.0.15" />
<PackageReference Include="Xamarin.AndroidX.MediaRouter" Version="1.3.1.1" />
<PackageReference Include="Xamarin.Essentials">
<Version>1.7.3</Version>
</PackageReference>
@ -103,8 +103,10 @@
<Compile Include="Accessibility\Browser.cs" />
<Compile Include="Accessibility\NodeList.cs" />
<Compile Include="Accessibility\KnownUsernameField.cs" />
<Compile Include="Autofill\AutofillConstants.cs" />
<Compile Include="Autofill\AutofillHelpers.cs" />
<Compile Include="Autofill\AutofillService.cs" />
<Compile Include="Autofill\AutofillExternalSelectionActivity.cs" />
<Compile Include="Autofill\Field.cs" />
<Compile Include="Autofill\FieldCollection.cs" />
<Compile Include="Autofill\FilledItem.cs" />

10
src/Android/Autofill/AutofillConstants.cs Normal file
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@ -0,0 +1,10 @@
namespace Bit.Droid.Autofill
{
public class AutofillConstants
{
public const string AutofillFramework = "autofillFramework";
public const string AutofillFrameworkFillType = "autofillFrameworkFillType";
public const string AutofillFrameworkUri = "autofillFrameworkUri";
public const string AutofillFrameworkCipherId = "autofillFrameworkCipherId";
}
}

42
src/Android/Autofill/AutofillExternalSelectionActivity.cs Normal file
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@ -0,0 +1,42 @@
using System.Threading.Tasks;
using Android.App;
using Android.Content.PM;
using Android.OS;
using Bit.Core.Abstractions;
using Bit.Core.Utilities;
using Bit.Droid.Utilities;
namespace Bit.Droid.Autofill
{
[Activity(
NoHistory = true,
LaunchMode = LaunchMode.SingleTop)]
public class AutofillExternalSelectionActivity : Xamarin.Forms.Platform.Android.FormsAppCompatActivity
{
protected override void OnCreate(Bundle bundle)
{
Intent?.Validate();
base.OnCreate(bundle);
var cipherId = Intent?.GetStringExtra(AutofillConstants.AutofillFrameworkCipherId);
if (string.IsNullOrEmpty(cipherId))
{
SetResult(Result.Canceled);
Finish();
return;
}
GetCipherAndPerformAutofillAsync(cipherId).FireAndForget();
}
private async Task GetCipherAndPerformAutofillAsync(string cipherId)
{
var cipherService = ServiceContainer.Resolve<ICipherService>();
var cipher = await cipherService.GetAsync(cipherId);
var decCipher = await cipher.DecryptAsync();
var autofillHandler = ServiceContainer.Resolve<IAutofillHandler>();
autofillHandler.Autofill(decCipher);
}
}
}

26
src/Android/Autofill/AutofillHelpers.cs
View File

@ -207,7 +207,7 @@ namespace Bit.Droid.Autofill
}
}
var dataset = BuildDataset(parser.ApplicationContext, parser.FieldCollection, items[i],
inlinePresentationSpec);
true, inlinePresentationSpec);
if (dataset != null)
{
responseBuilder.AddDataset(dataset);
@ -221,7 +221,7 @@ namespace Bit.Droid.Autofill
}
public static Dataset BuildDataset(Context context, FieldCollection fields, FilledItem filledItem,
InlinePresentationSpec inlinePresentationSpec = null)
bool includeAuthIntent, InlinePresentationSpec inlinePresentationSpec = null)
{
var overlayPresentation = BuildOverlayPresentation(
filledItem.Name,
@ -242,6 +242,15 @@ namespace Bit.Droid.Autofill
{
datasetBuilder.SetInlinePresentation(inlinePresentation);
}
if (includeAuthIntent)
{
var intent = new Intent(context, typeof(AutofillExternalSelectionActivity));
intent.PutExtra(AutofillConstants.AutofillFramework, true);
intent.PutExtra(AutofillConstants.AutofillFrameworkCipherId, filledItem.Id);
var pendingIntent = PendingIntent.GetActivity(context, ++_pendingIntentId, intent,
AndroidHelpers.AddPendingIntentMutabilityFlag(PendingIntentFlags.CancelCurrent, true));
datasetBuilder.SetAuthentication(pendingIntent?.IntentSender);
}
if (filledItem.ApplyToFields(fields, datasetBuilder))
{
return datasetBuilder.Build();
@ -253,25 +262,26 @@ namespace Bit.Droid.Autofill
IList<InlinePresentationSpec> inlinePresentationSpecs = null)
{
var intent = new Intent(context, typeof(MainActivity));
intent.PutExtra("autofillFramework", true);
intent.PutExtra(AutofillConstants.AutofillFramework, true);
if (fields.FillableForLogin)
{
intent.PutExtra("autofillFrameworkFillType", (int)CipherType.Login);
intent.PutExtra(AutofillConstants.AutofillFrameworkFillType, (int)CipherType.Login);
}
else if (fields.FillableForCard)
{
intent.PutExtra("autofillFrameworkFillType", (int)CipherType.Card);
intent.PutExtra(AutofillConstants.AutofillFrameworkFillType, (int)CipherType.Card);
}
else if (fields.FillableForIdentity)
{
intent.PutExtra("autofillFrameworkFillType", (int)CipherType.Identity);
intent.PutExtra(AutofillConstants.AutofillFrameworkFillType, (int)CipherType.Identity);
}
else
{
return null;
}
intent.PutExtra("autofillFrameworkUri", uri);
var pendingIntent = PendingIntent.GetActivity(context, ++_pendingIntentId, intent, AndroidHelpers.AddPendingIntentMutabilityFlag(PendingIntentFlags.CancelCurrent, true));
intent.PutExtra(AutofillConstants.AutofillFrameworkUri, uri);
var pendingIntent = PendingIntent.GetActivity(context, ++_pendingIntentId, intent,
AndroidHelpers.AddPendingIntentMutabilityFlag(PendingIntentFlags.CancelCurrent, true));
var overlayPresentation = BuildOverlayPresentation(
AppResources.AutofillWithBitwarden,

2
src/Android/Autofill/FilledItem.cs
View File

@ -23,6 +23,7 @@ namespace Bit.Droid.Autofill
public FilledItem(CipherView cipher)
{
Id = cipher.Id;
Name = cipher.Name;
Type = cipher.Type;
Subtitle = cipher.SubTitle;
@ -55,6 +56,7 @@ namespace Bit.Droid.Autofill
}
}
public string Id { get; set; }
public string Name { get; set; }
public string Subtitle { get; set; } = string.Empty;
public int Icon { get; set; } = Resource.Drawable.login;

7
src/Android/MainActivity.cs
View File

@ -18,6 +18,7 @@ using Bit.Core;
using Bit.Core.Abstractions;
using Bit.Core.Enums;
using Bit.Core.Utilities;
using Bit.Droid.Autofill;
using Bit.Droid.Receivers;
using Bit.Droid.Utilities;
using Newtonsoft.Json;
@ -322,13 +323,13 @@ namespace Bit.Droid
{
var options = new AppOptions
{
Uri = Intent.GetStringExtra("uri") ?? Intent.GetStringExtra("autofillFrameworkUri"),
Uri = Intent.GetStringExtra("uri") ?? Intent.GetStringExtra(AutofillConstants.AutofillFrameworkUri),
MyVaultTile = Intent.GetBooleanExtra("myVaultTile", false),
GeneratorTile = Intent.GetBooleanExtra("generatorTile", false),
FromAutofillFramework = Intent.GetBooleanExtra("autofillFramework", false),
FromAutofillFramework = Intent.GetBooleanExtra(AutofillConstants.AutofillFramework, false),
CreateSend = GetCreateSendRequest(Intent)
};
var fillType = Intent.GetIntExtra("autofillFrameworkFillType", 0);
var fillType = Intent.GetIntExtra(AutofillConstants.AutofillFrameworkFillType, 0);
if (fillType > 0)
{
options.FillType = (CipherType)fillType;

8
src/Android/Properties/AndroidManifest.xml
View File

@ -1,6 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:versionCode="1" android:versionName="2022.11.0" android:installLocation="internalOnly" package="com.x8bit.bitwarden">
<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="32" />
<uses-sdk android:minSdkVersion="21" android:targetSdkVersion="33" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.NFC" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
@ -40,10 +40,4 @@
</intent-filter>
</activity>
</application>
<!-- Package visibility (for Android 11+) -->
<queries>
<intent>
<action android:name="*" />
</intent>
</queries>
</manifest>

13
src/Android/Receivers/ClearClipboardAlarmReceiver.cs
View File

@ -1,4 +1,5 @@
using Android.Content;
using Android.OS;
namespace Bit.Droid.Receivers
{
@ -8,7 +9,17 @@ namespace Bit.Droid.Receivers
public override void OnReceive(Context context, Intent intent)
{
var clipboardManager = context.GetSystemService(Context.ClipboardService) as ClipboardManager;
clipboardManager.PrimaryClip = ClipData.NewPlainText("bitwarden", " ");
if (clipboardManager == null)
{
return;
}
// ClearPrimaryClip is supported down to API 28 with mixed results, so we're requiring 33+ instead
if ((int)Build.VERSION.SdkInt < 33)
{
clipboardManager.PrimaryClip = ClipData.NewPlainText("bitwarden", " ");
return;
}
clipboardManager.ClearPrimaryClip();
}
}
}

6
src/Android/Services/AutofillHandler.cs
View File

@ -73,12 +73,12 @@ namespace Bit.Droid.Services
public void Autofill(CipherView cipher)
{
var activity = (MainActivity)CrossCurrentActivity.Current.Activity;
var activity = CrossCurrentActivity.Current.Activity as Xamarin.Forms.Platform.Android.FormsAppCompatActivity;
if (activity == null)
{
return;
}
if (activity.Intent?.GetBooleanExtra("autofillFramework", false) ?? false)
if (activity.Intent?.GetBooleanExtra(AutofillConstants.AutofillFramework, false) ?? false)
{
if (cipher == null)
{
@ -103,7 +103,7 @@ namespace Bit.Droid.Services
return;
}
var task = CopyTotpAsync(cipher);
var dataset = AutofillHelpers.BuildDataset(activity, parser.FieldCollection, new FilledItem(cipher));
var dataset = AutofillHelpers.BuildDataset(activity, parser.FieldCollection, new FilledItem(cipher), false);
var replyIntent = new Intent();
replyIntent.PutExtra(AutofillManager.ExtraAuthenticationResult, dataset);
activity.SetResult(Result.Ok, replyIntent);

13
src/Android/Services/ClipboardService.cs
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@ -6,7 +6,6 @@ using Android.OS;
using Bit.Core.Abstractions;
using Bit.Droid.Receivers;
using Bit.Droid.Utilities;
using Plugin.CurrentActivity;
using Xamarin.Essentials;
namespace Bit.Droid.Services
@ -21,9 +20,9 @@ namespace Bit.Droid.Services
_stateService = stateService;
_clearClipboardPendingIntent = new Lazy<PendingIntent>(() =>
PendingIntent.GetBroadcast(CrossCurrentActivity.Current.Activity,
PendingIntent.GetBroadcast(Application.Context,
0,
new Intent(CrossCurrentActivity.Current.Activity, typeof(ClearClipboardAlarmReceiver)),
new Intent(Application.Context, typeof(ClearClipboardAlarmReceiver)),
AndroidHelpers.AddPendingIntentMutabilityFlag(PendingIntentFlags.UpdateCurrent, false)));
}
@ -45,7 +44,7 @@ namespace Bit.Droid.Services
}
catch (Java.Lang.SecurityException ex) when (ex.Message.Contains("does not belong to"))
{
// #1962 Just ignore, the content is copied either way but there is some app interfiering in the process
// #1962 Just ignore, the content is copied either way but there is some app interfering in the process
// that the OS catches and just throws this exception.
}
}
@ -58,9 +57,7 @@ namespace Bit.Droid.Services
private void CopyToClipboard(string text, bool isSensitive = true)
{
var activity = (MainActivity)CrossCurrentActivity.Current.Activity;
var clipboardManager = activity.GetSystemService(
Context.ClipboardService) as Android.Content.ClipboardManager;
var clipboardManager = Application.Context.GetSystemService(Context.ClipboardService) as ClipboardManager;
var clipData = ClipData.NewPlainText("bitwarden", text);
if (isSensitive)
{
@ -87,7 +84,7 @@ namespace Bit.Droid.Services
return;
}
var triggerMs = Java.Lang.JavaSystem.CurrentTimeMillis() + clearMs;
var alarmManager = CrossCurrentActivity.Current.Activity.GetSystemService(Context.AlarmService) as AlarmManager;
var alarmManager = Application.Context.GetSystemService(Context.AlarmService) as AlarmManager;
alarmManager.Set(AlarmType.Rtc, triggerMs, _clearClipboardPendingIntent.Value);
}
}

15
src/Android/Services/DeviceActionService.cs
View File

@ -69,14 +69,17 @@ namespace Bit.Droid.Services
public bool LaunchApp(string appName)
{
if ((int)Build.VERSION.SdkInt < 33)
{
// API 33 required to avoid using wildcard app visibility or dangerous permissions
// https://developer.android.com/reference/android/content/pm/PackageManager#getLaunchIntentSenderForPackage(java.lang.String)
return false;
}
var activity = CrossCurrentActivity.Current.Activity;
appName = appName.Replace("androidapp://", string.Empty);
var launchIntent = activity.PackageManager.GetLaunchIntentForPackage(appName);
if (launchIntent != null)
{
activity.StartActivity(launchIntent);
}
return launchIntent != null;
var launchIntentSender = activity?.PackageManager?.GetLaunchIntentSenderForPackage(appName);
launchIntentSender?.SendIntent(activity, Result.Ok, null, null, null);
return launchIntentSender != null;
}
public async Task ShowLoadingAsync(string text)