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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.autofill.service;
import static android.view.autofill.AutofillManager.EXTRA_ASSIST_STRUCTURE;
import static android.view.autofill.AutofillManager.EXTRA_AUTHENTICATION_RESULT;
import static com.example.android.autofill.service.util.Util.EXTRA_DATASET_NAME;
import static com.example.android.autofill.service.util.Util.EXTRA_FOR_RESPONSE;
import static com.example.android.autofill.service.util.Util.logw;
import android.app.PendingIntent;
import android.app.assist.AssistStructure;
import android.content.Context;
import android.content.Intent;
import android.content.IntentSender;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.service.autofill.Dataset;
import android.service.autofill.FillResponse;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.text.Editable;
import android.widget.EditText;
import android.widget.RemoteViews;
import android.widget.Toast;
import com.example.android.autofill.service.data.ClientViewMetadata;
import com.example.android.autofill.service.data.ClientViewMetadataBuilder;
import com.example.android.autofill.service.data.DataCallback;
import com.example.android.autofill.service.data.adapter.DatasetAdapter;
import com.example.android.autofill.service.data.adapter.ResponseAdapter;
import com.example.android.autofill.service.data.source.DefaultFieldTypesSource;
import com.example.android.autofill.service.data.source.local.DefaultFieldTypesLocalJsonSource;
import com.example.android.autofill.service.data.source.local.DigitalAssetLinksRepository;
import com.example.android.autofill.service.data.source.local.LocalAutofillDataSource;
import com.example.android.autofill.service.data.source.local.dao.AutofillDao;
import com.example.android.autofill.service.data.source.local.db.AutofillDatabase;
import com.example.android.autofill.service.model.DatasetWithFilledAutofillFields;
import com.example.android.autofill.service.model.FieldTypeWithHeuristics;
import com.example.android.autofill.service.settings.MyPreferences;
import com.example.android.autofill.service.util.AppExecutors;
import com.google.gson.GsonBuilder;
import java.util.HashMap;
import java.util.List;
/**
* This Activity controls the UI for logging in to the Autofill service.
* It is launched when an Autofill Response or specific Dataset within the Response requires
* authentication to access. It bundles the result in an Intent.
*/
public class AuthActivity extends AppCompatActivity {
// Unique id for dataset intents.
private static int sDatasetPendingIntentId = 0;
private LocalAutofillDataSource mLocalAutofillDataSource;
private DigitalAssetLinksRepository mDalRepository;
private EditText mMainPassword;
private DatasetAdapter mDatasetAdapter;
private ResponseAdapter mResponseAdapter;
private ClientViewMetadata mClientViewMetadata;
private String mPackageName;
private Intent mReplyIntent;
private MyPreferences mPreferences;
public static IntentSender getAuthIntentSenderForResponse(Context context) {
final Intent intent = new Intent(context, AuthActivity.class);
return PendingIntent.getActivity(context, 0, intent,
PendingIntent.FLAG_CANCEL_CURRENT).getIntentSender();
}
public static IntentSender getAuthIntentSenderForDataset(Context originContext,
String datasetName) {
Intent intent = new Intent(originContext, AuthActivity.class);
intent.putExtra(EXTRA_DATASET_NAME, datasetName);
intent.putExtra(EXTRA_FOR_RESPONSE, false);
return PendingIntent.getActivity(originContext, ++sDatasetPendingIntentId, intent,
PendingIntent.FLAG_CANCEL_CURRENT).getIntentSender();
}
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.multidataset_service_auth_activity);
SharedPreferences sharedPreferences =
getSharedPreferences(LocalAutofillDataSource.SHARED_PREF_KEY, Context.MODE_PRIVATE);
DefaultFieldTypesSource defaultFieldTypesSource =
DefaultFieldTypesLocalJsonSource.getInstance(getResources(),
new GsonBuilder().create());
AutofillDao autofillDao = AutofillDatabase.getInstance(this,
defaultFieldTypesSource, new AppExecutors()).autofillDao();
mLocalAutofillDataSource = LocalAutofillDataSource.getInstance(sharedPreferences,
autofillDao, new AppExecutors());
mDalRepository = DigitalAssetLinksRepository.getInstance(getPackageManager());
mMainPassword = findViewById(R.id.main_password);
mPackageName = getPackageName();
mPreferences = MyPreferences.getInstance(this);
findViewById(R.id.login).setOnClickListener((view) -> login());
findViewById(R.id.cancel).setOnClickListener((view) -> {
onFailure();
AuthActivity.this.finish();
});
}
private void login() {
Editable password = mMainPassword.getText();
String correctPassword = MyPreferences.getInstance(AuthActivity.this).getMainPassword();
if (password.toString().equals(correctPassword)) {
onSuccess();
} else {
Toast.makeText(this, "Password incorrect", Toast.LENGTH_SHORT).show();
onFailure();
}
}
@Override
public void finish() {
if (mReplyIntent != null) {
setResult(RESULT_OK, mReplyIntent);
} else {
setResult(RESULT_CANCELED);
}
super.finish();
}
private void onFailure() {
logw("Failed auth.");
mReplyIntent = null;
}
private void onSuccess() {
Intent intent = getIntent();
boolean forResponse = intent.getBooleanExtra(EXTRA_FOR_RESPONSE, true);
AssistStructure structure = intent.getParcelableExtra(EXTRA_ASSIST_STRUCTURE);
ClientParser clientParser = new ClientParser(structure);
mReplyIntent = new Intent();
mLocalAutofillDataSource.getFieldTypeByAutofillHints(
new DataCallback<HashMap<String, FieldTypeWithHeuristics>>() {
@Override
public void onLoaded(HashMap<String, FieldTypeWithHeuristics> fieldTypesByAutofillHint) {
ClientViewMetadataBuilder builder = new ClientViewMetadataBuilder(clientParser,
fieldTypesByAutofillHint);
mClientViewMetadata = builder.buildClientViewMetadata();
mDatasetAdapter = new DatasetAdapter(clientParser);
mResponseAdapter = new ResponseAdapter(AuthActivity.this,
mClientViewMetadata, mPackageName, mDatasetAdapter);
if (forResponse) {
fetchAllDatasetsAndSetIntent(fieldTypesByAutofillHint);
} else {
String datasetName = intent.getStringExtra(EXTRA_DATASET_NAME);
fetchDatasetAndSetIntent(fieldTypesByAutofillHint, datasetName);
}
}
@Override
public void onDataNotAvailable(String msg, Object... params) {
}
});
}
private void fetchDatasetAndSetIntent(
HashMap<String, FieldTypeWithHeuristics> fieldTypesByAutofillHint, String datasetName) {
mLocalAutofillDataSource.getAutofillDataset(mClientViewMetadata.getAllHints(),
datasetName, new DataCallback<DatasetWithFilledAutofillFields>() {
@Override
public void onLoaded(DatasetWithFilledAutofillFields dataset) {
String datasetName = dataset.autofillDataset.getDatasetName();
RemoteViews remoteViews = RemoteViewsHelper.viewsWithNoAuth(
mPackageName, datasetName);
setDatasetIntent(mDatasetAdapter.buildDataset(fieldTypesByAutofillHint,
dataset, remoteViews));
finish();
}
@Override
public void onDataNotAvailable(String msg, Object... params) {
logw(msg, params);
finish();
}
});
}
private void fetchAllDatasetsAndSetIntent(
HashMap<String, FieldTypeWithHeuristics> fieldTypesByAutofillHint) {
mLocalAutofillDataSource.getAutofillDatasets(mClientViewMetadata.getAllHints(),
new DataCallback<List<DatasetWithFilledAutofillFields>>() {
@Override
public void onLoaded(List<DatasetWithFilledAutofillFields> datasets) {
boolean datasetAuth = mPreferences.isDatasetAuth();
FillResponse fillResponse = mResponseAdapter.buildResponse(
fieldTypesByAutofillHint, datasets, datasetAuth);
setResponseIntent(fillResponse);
finish();
}
@Override
public void onDataNotAvailable(String msg, Object... params) {
logw(msg, params);
finish();
}
});
}
private void setResponseIntent(FillResponse fillResponse) {
mReplyIntent.putExtra(EXTRA_AUTHENTICATION_RESULT, fillResponse);
}
private void setDatasetIntent(Dataset dataset) {
mReplyIntent.putExtra(EXTRA_AUTHENTICATION_RESULT, dataset);
}
}
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