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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.autofillframework.service;
import android.app.Activity;
import android.app.PendingIntent;
import android.app.assist.AssistStructure;
import android.content.Context;
import android.content.Intent;
import android.content.IntentSender;
import android.os.Bundle;
import android.service.autofill.Dataset;
import android.service.autofill.FillResponse;
import android.support.annotation.Nullable;
import android.text.Editable;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.example.android.autofillframework.R;
import com.example.android.autofillframework.service.datasource.LocalAutofillRepository;
import com.example.android.autofillframework.service.model.AutofillFieldsCollection;
import com.example.android.autofillframework.service.model.ClientFormData;
import com.example.android.autofillframework.service.settings.MyPreferences;
import java.util.HashMap;
import static android.view.autofill.AutofillManager.EXTRA_ASSIST_STRUCTURE;
import static android.view.autofill.AutofillManager.EXTRA_AUTHENTICATION_RESULT;
import static com.example.android.autofillframework.CommonUtil.EXTRA_DATASET_NAME;
import static com.example.android.autofillframework.CommonUtil.EXTRA_FOR_RESPONSE;
import static com.example.android.autofillframework.CommonUtil.TAG;
/**
* 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 Activity {
// Unique id for dataset intents.
private static int sDatasetPendingIntentId = 0;
private EditText mMasterPassword;
private Button mCancel;
private Button mLogin;
private Intent mReplyIntent;
static IntentSender getAuthIntentSenderForResponse(Context context) {
final Intent intent = new Intent(context, AuthActivity.class);
return PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT)
.getIntentSender();
}
static IntentSender getAuthIntentSenderForDataset(Context context, String datasetName) {
final Intent intent = new Intent(context, AuthActivity.class);
intent.putExtra(EXTRA_DATASET_NAME, datasetName);
intent.putExtra(EXTRA_FOR_RESPONSE, false);
return PendingIntent.getActivity(context, ++sDatasetPendingIntentId, intent,
PendingIntent.FLAG_CANCEL_CURRENT).getIntentSender();
}
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.auth_activity);
mCancel = findViewById(R.id.cancel);
mLogin = findViewById(R.id.login);
mMasterPassword = findViewById(R.id.master_password);
mLogin.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
login();
}
});
mCancel.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
onFailure();
AuthActivity.this.finish();
}
});
}
private void login() {
Editable password = mMasterPassword.getText();
if (password.toString()
.equals(MyPreferences.getInstance(AuthActivity.this).getMasterPassword())) {
onSuccess();
} else {
Toast.makeText(this, "Password incorrect", Toast.LENGTH_SHORT).show();
onFailure();
}
finish();
}
@Override
public void finish() {
if (mReplyIntent != null) {
setResult(RESULT_OK, mReplyIntent);
} else {
setResult(RESULT_CANCELED);
}
super.finish();
}
private void onFailure() {
Log.w(TAG, "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);
StructureParser parser = new StructureParser(structure);
parser.parse();
AutofillFieldsCollection autofillFields = parser.getAutofillFields();
int saveTypes = parser.getSaveTypes();
mReplyIntent = new Intent();
HashMap<String, ClientFormData> clientFormDataMap =
LocalAutofillRepository.getInstance(this).getClientFormData
(autofillFields.getFocusedHints(), autofillFields.getAllHints());
if (forResponse) {
setResponseIntent(AutofillHelper.newResponse
(this, false, autofillFields, saveTypes, clientFormDataMap));
} else {
String datasetName = intent.getStringExtra(EXTRA_DATASET_NAME);
setDatasetIntent(AutofillHelper.newDataset
(this, autofillFields, clientFormDataMap.get(datasetName)));
}
}
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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