private List <Dataset> BuildEntryDatasets(string query, string queryDomain, string queryPackage, AutofillId[] autofillIds, StructureParser parser,
DisplayWarning warning, IList <InlinePresentationSpec> inlinePresentationSpecs)
{
List <Dataset> result = new List <Dataset>();
Kp2aLog.Log("AF: BuildEntryDatasets");
var suggestedEntries = GetSuggestedEntries(query).ToDictionary(e => e.DatasetName, e => e);
Kp2aLog.Log("AF: BuildEntryDatasets found " + suggestedEntries.Count + " entries");
int count = 0;
foreach (var filledAutofillFieldCollection in suggestedEntries.Values)
{
if (filledAutofillFieldCollection == null)
{
continue;
}
var inlinePresentationSpec = AutofillHelper.ExtractSpec(inlinePresentationSpecs, count);
if (warning == DisplayWarning.None)
{
FilledAutofillFieldCollection partitionData =
AutofillHintsHelper.FilterForPartition(filledAutofillFieldCollection, parser.AutofillFields.FocusedAutofillCanonicalHints);
Kp2aLog.Log("AF: Add dataset");
result.Add(AutofillHelper.NewDataset(this, parser.AutofillFields, partitionData, IntentBuilder,
inlinePresentationSpec));
}
else
{
//return an "auth" dataset (actually for just warning the user in case domain/package dont match)
IntentSender sender =
IntentBuilder.GetAuthIntentSenderForWarning(this, query, queryDomain, queryPackage, warning);
var datasetName = filledAutofillFieldCollection.DatasetName;
if (datasetName == null)
{
Kp2aLog.Log("AF: dataset name is null");
continue;
}
RemoteViews presentation =
AutofillHelper.NewRemoteViews(PackageName, datasetName, AppNames.LauncherIcon);
var datasetBuilder = new Dataset.Builder(presentation);
datasetBuilder.SetAuthentication(sender);
AutofillHelper.AddInlinePresentation(this, inlinePresentationSpec, datasetName, datasetBuilder, AppNames.LauncherIcon);
//need to add placeholders so we can directly fill after ChooseActivity
foreach (var autofillId in autofillIds)
{
datasetBuilder.SetValue(autofillId, AutofillValue.ForText("PLACEHOLDER"));
}
Kp2aLog.Log("AF: Add auth dataset");
result.Add(datasetBuilder.Build());
}
count++;
}
return(result);
}
public override void OnFillRequest(FillRequest request, CancellationSignal cancellationSignal, FillCallback callback)
{
bool isManual = (request.Flags & FillRequest.FlagManualRequest) != 0;
CommonUtil.logd("onFillRequest " + (isManual ? "manual" : "auto"));
var structure = request.FillContexts.Last().Structure;
if (_lockTime + _lockTimeout < DateTime.Now)
{
_lockTime = DateTime.Now;
//TODO support package signature verification as soon as this is supported in Keepass storage
var clientState = request.ClientState;
CommonUtil.logd("onFillRequest(): data=" + CommonUtil.BundleToString(clientState));
cancellationSignal.CancelEvent += (sender, e) =>
{
Kp2aLog.Log("Cancel autofill not implemented yet.");
_lockTime = DateTime.MinValue;
};
// Parse AutoFill data in Activity
StructureParser.AutofillTargetId query = null;
var parser = new StructureParser(this, structure);
try
{
query = parser.ParseForFill(isManual);
}
catch (Java.Lang.SecurityException e)
{
Log.Warn(CommonUtil.Tag, "Security exception handling request");
callback.OnFailure(e.Message);
return;
}
AutofillFieldMetadataCollection autofillFields = parser.AutofillFields;
InlineSuggestionsRequest inlineSuggestionsRequest = null;
IList <InlinePresentationSpec> inlinePresentationSpecs = null;
if (((int)Build.VERSION.SdkInt >= 30) &&
(PreferenceManager.GetDefaultSharedPreferences(this).GetBoolean(GetString(Resource.String.InlineSuggestions_key), true)))
{
inlineSuggestionsRequest = request.InlineSuggestionsRequest;
inlinePresentationSpecs = inlineSuggestionsRequest?.InlinePresentationSpecs;
}
var autofillIds = autofillFields.GetAutofillIds();
if (autofillIds.Length != 0 && CanAutofill(query, isManual))
{
var responseBuilder = new FillResponse.Builder();
bool hasEntryDataset = false;
IList <Dataset> entryDatasets = new List <Dataset>();
if (query.IncompatiblePackageAndDomain == false)
{
Kp2aLog.Log("AF: (query.IncompatiblePackageAndDomain == false)");
//domain and package are compatible. Use Domain if available and package otherwise. Can fill without warning.
entryDatasets = BuildEntryDatasets(query.DomainOrPackage, query.WebDomain,
query.PackageName,
autofillIds, parser, DisplayWarning.None,
inlinePresentationSpecs
).Where(ds => ds != null).ToList();
if (entryDatasets.Count > inlineSuggestionsRequest?.MaxSuggestionCount - 2 /*disable dataset and query*/)
{
//we have too many elements. disable inline suggestions
inlinePresentationSpecs = null;
entryDatasets = BuildEntryDatasets(query.DomainOrPackage, query.WebDomain,
query.PackageName,
autofillIds, parser, DisplayWarning.None,
null
).Where(ds => ds != null).ToList();
}
foreach (var entryDataset in entryDatasets
)
{
Kp2aLog.Log("AF: Got EntryDataset " + (entryDataset == null));
responseBuilder.AddDataset(entryDataset);
hasEntryDataset = true;
}
}
{
if (query.WebDomain != null)
{
AddQueryDataset(query.WebDomain,
query.WebDomain, query.PackageName,
isManual, autofillIds, responseBuilder, !hasEntryDataset,
query.IncompatiblePackageAndDomain
? DisplayWarning.FillDomainInUntrustedApp
: DisplayWarning.None,
AutofillHelper.ExtractSpec(inlinePresentationSpecs, entryDatasets.Count));
}
else
{
AddQueryDataset(query.PackageNameWithPseudoSchema,
query.WebDomain, query.PackageName,
isManual, autofillIds, responseBuilder, !hasEntryDataset, DisplayWarning.None,
AutofillHelper.ExtractSpec(inlinePresentationSpecs, entryDatasets.Count));
}
}
if (!PreferenceManager.GetDefaultSharedPreferences(this)
.GetBoolean(GetString(Resource.String.NoAutofillDisabling_key), false))
{
AddDisableDataset(query.DomainOrPackage, autofillIds, responseBuilder, isManual, AutofillHelper.ExtractSpec(inlinePresentationSpecs, entryDatasets.Count));
}
if (PreferenceManager.GetDefaultSharedPreferences(this)
.GetBoolean(GetString(Resource.String.OfferSaveCredentials_key), true))
{
if (!CompatBrowsers.Contains(parser.PackageId))
{
responseBuilder.SetSaveInfo(new SaveInfo.Builder(parser.AutofillFields.SaveType,
parser.AutofillFields.GetAutofillIds()).Build());
}
}
Kp2aLog.Log("return autofill success");
callback.OnSuccess(responseBuilder.Build());
}
else
{
Kp2aLog.Log("cannot autofill");
callback.OnSuccess(null);
}
}
else
{
Kp2aLog.Log("Ignoring onFillRequest as there is another request going on.");
}
}