Bitwarden-app-android-iphon.../src/Android/Autofill/AutofillHelpers.cs

406 lines
16 KiB
C#

using System;
using System.Collections.Generic;
using Android.Content;
using Android.Service.Autofill;
using Android.Widget;
using System.Linq;
using Android.App;
using System.Threading.Tasks;
using Android.App.Slices;
using Android.Graphics;
using Android.Graphics.Drawables;
using Android.OS;
using Android.Runtime;
using Android.Widget.Inline;
using Bit.App.Resources;
using Bit.Core.Enums;
using Android.Views.Autofill;
using AndroidX.AutoFill.Inline;
using AndroidX.AutoFill.Inline.V1;
using Bit.Core.Abstractions;
using SaveFlags = Android.Service.Autofill.SaveFlags;
namespace Bit.Droid.Autofill
{
public static class AutofillHelpers
{
private static int _pendingIntentId = 0;
// These browsers work natively with the Autofill Framework
//
// Be sure:
// - to keep these entries sorted alphabetically and
//
// - ... to keep this list in sync with values in AccessibilityHelpers.SupportedBrowsers [Section A], too.
public static HashSet<string> TrustedBrowsers = new HashSet<string>
{
"com.duckduckgo.mobile.android",
"org.mozilla.focus",
"org.mozilla.klar",
};
// These browsers work using the compatibility shim for the Autofill Framework
//
// Be sure:
// - to keep these entries sorted alphabetically,
// - to keep this list in sync with values in Resources/xml/autofillservice.xml, and
//
// - ... to keep this list in sync with values in AccessibilityHelpers.SupportedBrowsers [Section A], too.
public static HashSet<string> CompatBrowsers = new HashSet<string>
{
"alook.browser",
"com.amazon.cloud9",
"com.android.browser",
"com.android.chrome",
"com.android.htmlviewer",
"com.avast.android.secure.browser",
"com.avg.android.secure.browser",
"com.brave.browser",
"com.brave.browser_beta",
"com.brave.browser_default",
"com.brave.browser_dev",
"com.brave.browser_nightly",
"com.chrome.beta",
"com.chrome.canary",
"com.chrome.dev",
"com.ecosia.android",
"com.google.android.apps.chrome",
"com.google.android.apps.chrome_dev",
"com.jamal2367.styx",
"com.kiwibrowser.browser",
"com.microsoft.emmx",
"com.mmbox.browser",
"com.mmbox.xbrowser",
"com.mycompany.app.soulbrowser",
"com.naver.whale",
"com.opera.browser",
"com.opera.browser.beta",
"com.opera.mini.native",
"com.opera.mini.native.beta",
"com.opera.touch",
"com.qwant.liberty",
"com.sec.android.app.sbrowser",
"com.sec.android.app.sbrowser.beta",
"com.stoutner.privacybrowser.free",
"com.stoutner.privacybrowser.standard",
"com.vivaldi.browser",
"com.vivaldi.browser.snapshot",
"com.vivaldi.browser.sopranos",
"com.yandex.browser",
"com.z28j.feel",
"idm.internet.download.manager",
"idm.internet.download.manager.adm.lite",
"idm.internet.download.manager.plus",
"io.github.forkmaintainers.iceraven",
"mark.via",
"mark.via.gp",
"net.slions.fulguris.full.download",
"net.slions.fulguris.full.download.debug",
"net.slions.fulguris.full.playstore",
"net.slions.fulguris.full.playstore.debug",
"org.adblockplus.browser",
"org.adblockplus.browser.beta",
"org.bromite.bromite",
"org.bromite.chromium",
"org.chromium.chrome",
"org.codeaurora.swe.browser",
"org.gnu.icecat",
"org.mozilla.fenix",
"org.mozilla.fenix.nightly",
"org.mozilla.fennec_aurora",
"org.mozilla.fennec_fdroid",
"org.mozilla.firefox",
"org.mozilla.firefox_beta",
"org.mozilla.reference.browser",
"org.mozilla.rocket",
"org.torproject.torbrowser",
"org.torproject.torbrowser_alpha",
"org.ungoogled.chromium.extensions.stable",
"org.ungoogled.chromium.stable",
};
// The URLs are blacklisted from autofilling
public static HashSet<string> BlacklistedUris = new HashSet<string>
{
"androidapp://android",
"androidapp://com.android.settings",
"androidapp://com.x8bit.bitwarden",
"androidapp://com.oneplus.applocker",
};
public static async Task<List<FilledItem>> GetFillItemsAsync(Parser parser, ICipherService cipherService)
{
if (parser.FieldCollection.FillableForLogin)
{
var ciphers = await cipherService.GetAllDecryptedByUrlAsync(parser.Uri);
if (ciphers.Item1.Any() || ciphers.Item2.Any())
{
var allCiphers = ciphers.Item1.ToList();
allCiphers.AddRange(ciphers.Item2.ToList());
return allCiphers.Select(c => new FilledItem(c)).ToList();
}
}
else if (parser.FieldCollection.FillableForCard)
{
var ciphers = await cipherService.GetAllDecryptedAsync();
return ciphers.Where(c => c.Type == CipherType.Card).Select(c => new FilledItem(c)).ToList();
}
return new List<FilledItem>();
}
public static FillResponse BuildFillResponse(Parser parser, List<FilledItem> items, bool locked,
bool inlineAutofillEnabled, FillRequest fillRequest = null)
{
// Acquire inline presentation specs on Android 11+
IList<InlinePresentationSpec> inlinePresentationSpecs = null;
var inlinePresentationSpecsCount = 0;
var inlineMaxSuggestedCount = 0;
if (inlineAutofillEnabled && fillRequest != null && (int)Build.VERSION.SdkInt >= 30)
{
var inlineSuggestionsRequest = fillRequest.InlineSuggestionsRequest;
inlineMaxSuggestedCount = inlineSuggestionsRequest?.MaxSuggestionCount ?? 0;
inlinePresentationSpecs = inlineSuggestionsRequest?.InlinePresentationSpecs;
inlinePresentationSpecsCount = inlinePresentationSpecs?.Count ?? 0;
}
// Build response
var responseBuilder = new FillResponse.Builder();
if (items != null && items.Count > 0)
{
var maxItems = items.Count;
if (inlineMaxSuggestedCount > 0)
{
// -1 to adjust for 'open vault' option
maxItems = Math.Min(maxItems, inlineMaxSuggestedCount - 1);
}
for (int i = 0; i < maxItems; i++)
{
InlinePresentationSpec inlinePresentationSpec = null;
if (inlinePresentationSpecs != null)
{
if (i < inlinePresentationSpecsCount)
{
inlinePresentationSpec = inlinePresentationSpecs[i];
}
else
{
// If the max suggestion count is larger than the number of specs in the list, then
// the last spec is used for the remainder of the suggestions
inlinePresentationSpec = inlinePresentationSpecs[inlinePresentationSpecsCount - 1];
}
}
var dataset = BuildDataset(parser.ApplicationContext, parser.FieldCollection, items[i],
inlinePresentationSpec);
if (dataset != null)
{
responseBuilder.AddDataset(dataset);
}
}
}
responseBuilder.AddDataset(BuildVaultDataset(parser.ApplicationContext, parser.FieldCollection,
parser.Uri, locked, inlinePresentationSpecs));
AddSaveInfo(parser, fillRequest, responseBuilder, parser.FieldCollection);
responseBuilder.SetIgnoredIds(parser.FieldCollection.IgnoreAutofillIds.ToArray());
return responseBuilder.Build();
}
public static Dataset BuildDataset(Context context, FieldCollection fields, FilledItem filledItem,
InlinePresentationSpec inlinePresentationSpec = null)
{
var overlayPresentation = BuildOverlayPresentation(
filledItem.Name,
filledItem.Subtitle,
filledItem.Icon,
context);
var inlinePresentation = BuildInlinePresentation(
inlinePresentationSpec,
filledItem.Name,
filledItem.Subtitle,
filledItem.Icon,
null,
context);
var datasetBuilder = new Dataset.Builder(overlayPresentation);
if (inlinePresentation != null)
{
datasetBuilder.SetInlinePresentation(inlinePresentation);
}
if (filledItem.ApplyToFields(fields, datasetBuilder))
{
return datasetBuilder.Build();
}
return null;
}
public static Dataset BuildVaultDataset(Context context, FieldCollection fields, string uri, bool locked,
IList<InlinePresentationSpec> inlinePresentationSpecs = null)
{
var intent = new Intent(context, typeof(MainActivity));
intent.PutExtra("autofillFramework", true);
if (fields.FillableForLogin)
{
intent.PutExtra("autofillFrameworkFillType", (int)CipherType.Login);
}
else if (fields.FillableForCard)
{
intent.PutExtra("autofillFrameworkFillType", (int)CipherType.Card);
}
else if (fields.FillableForIdentity)
{
intent.PutExtra("autofillFrameworkFillType", (int)CipherType.Identity);
}
else
{
return null;
}
intent.PutExtra("autofillFrameworkUri", uri);
var pendingIntent = PendingIntent.GetActivity(context, ++_pendingIntentId, intent,
PendingIntentFlags.CancelCurrent);
var overlayPresentation = BuildOverlayPresentation(
AppResources.AutofillWithBitwarden,
locked ? AppResources.VaultIsLocked : AppResources.GoToMyVault,
Resource.Drawable.icon,
context);
var inlinePresentation = BuildInlinePresentation(
inlinePresentationSpecs?.Last(),
AppResources.Bitwarden,
locked ? AppResources.VaultIsLocked : AppResources.MyVault,
Resource.Drawable.icon,
pendingIntent,
context);
var datasetBuilder = new Dataset.Builder(overlayPresentation);
if (inlinePresentation != null)
{
datasetBuilder.SetInlinePresentation(inlinePresentation);
}
datasetBuilder.SetAuthentication(pendingIntent?.IntentSender);
// Dataset must have a value set. We will reset this in the main activity when the real item is chosen.
foreach (var autofillId in fields.AutofillIds)
{
datasetBuilder.SetValue(autofillId, AutofillValue.ForText("PLACEHOLDER"));
}
return datasetBuilder.Build();
}
public static RemoteViews BuildOverlayPresentation(string text, string subtext, int iconId, Context context)
{
var packageName = context.PackageName;
var view = new RemoteViews(packageName, Resource.Layout.autofill_listitem);
view.SetTextViewText(Resource.Id.text1, text);
view.SetTextViewText(Resource.Id.text2, subtext);
view.SetImageViewResource(Resource.Id.icon, iconId);
return view;
}
public static InlinePresentation BuildInlinePresentation(InlinePresentationSpec inlinePresentationSpec,
string text, string subtext, int iconId, PendingIntent pendingIntent, Context context)
{
if ((int)Build.VERSION.SdkInt < 30 || inlinePresentationSpec == null)
{
return null;
}
if (pendingIntent == null)
{
// InlinePresentation requires nonNull pending intent (even though we only utilize one for the
// "my vault" presentation) so we're including an empty one here
pendingIntent = PendingIntent.GetService(context, 0, new Intent(),
PendingIntentFlags.OneShot | PendingIntentFlags.UpdateCurrent);
}
var slice = CreateInlinePresentationSlice(
inlinePresentationSpec,
text,
subtext,
iconId,
"Autofill option",
pendingIntent,
context);
if (slice != null)
{
return new InlinePresentation(slice, inlinePresentationSpec, false);
}
return null;
}
private static Slice CreateInlinePresentationSlice(
InlinePresentationSpec inlinePresentationSpec,
string text,
string subtext,
int iconId,
string contentDescription,
PendingIntent pendingIntent,
Context context)
{
var imeStyle = inlinePresentationSpec.Style;
if (!UiVersions.GetVersions(imeStyle).Contains(UiVersions.InlineUiVersion1))
{
return null;
}
var contentBuilder = InlineSuggestionUi.NewContentBuilder(pendingIntent)
.SetContentDescription(contentDescription);
if (!string.IsNullOrWhiteSpace(text))
{
contentBuilder.SetTitle(text);
}
if (!string.IsNullOrWhiteSpace(subtext))
{
contentBuilder.SetSubtitle(subtext);
}
if (iconId > 0)
{
var icon = Icon.CreateWithResource(context, iconId);
if (icon != null)
{
if (iconId == Resource.Drawable.icon)
{
// Don't tint our logo
icon.SetTintBlendMode(BlendMode.Dst);
}
contentBuilder.SetStartIcon(icon);
}
}
return contentBuilder.Build().JavaCast<InlineSuggestionUi.Content>()?.Slice;
}
public static void AddSaveInfo(Parser parser, FillRequest fillRequest, FillResponse.Builder responseBuilder,
FieldCollection fields)
{
// Docs state that password fields cannot be reliably saved in Compat mode since they will show as
// masked values.
bool? compatRequest = null;
if (Build.VERSION.SdkInt >= BuildVersionCodes.Q && fillRequest != null)
{
// Attempt to automatically establish compat request mode on Android 10+
compatRequest = (fillRequest.Flags | FillRequest.FlagCompatibilityModeRequest) == fillRequest.Flags;
}
var compatBrowser = compatRequest ?? CompatBrowsers.Contains(parser.PackageName);
if (compatBrowser && fields.SaveType == SaveDataType.Password)
{
return;
}
var requiredIds = fields.GetRequiredSaveFields();
if (fields.SaveType == SaveDataType.Generic || requiredIds.Length == 0)
{
return;
}
var saveBuilder = new SaveInfo.Builder(fields.SaveType, requiredIds);
var optionalIds = fields.GetOptionalSaveIds();
if (optionalIds.Length > 0)
{
saveBuilder.SetOptionalIds(optionalIds);
}
if (compatBrowser)
{
saveBuilder.SetFlags(SaveFlags.SaveOnAllViewsInvisible);
}
responseBuilder.SetSaveInfo(saveBuilder.Build());
}
}
}