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/*
* Copyright (C) 2018 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.android.internal.app;
import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentSender;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageItemInfo;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.TextView;
import com.android.internal.R;
/**
* This dialog is shown to the user before an activity in a harmful app is launched.
*
* See {@code PackageManager.setHarmfulAppInfo} for more info.
*/
public class HarmfulAppWarningActivity extends AlertActivity implements
DialogInterface.OnClickListener {
private static final String TAG = HarmfulAppWarningActivity.class.getSimpleName();
private static final String EXTRA_HARMFUL_APP_WARNING = "harmful_app_warning";
private String mPackageName;
private String mHarmfulAppWarning;
private IntentSender mTarget;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().addSystemFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
final Intent intent = getIntent();
mPackageName = intent.getStringExtra(Intent.EXTRA_PACKAGE_NAME);
mTarget = intent.getParcelableExtra(Intent.EXTRA_INTENT);
mHarmfulAppWarning = intent.getStringExtra(EXTRA_HARMFUL_APP_WARNING);
if (mPackageName == null || mTarget == null || mHarmfulAppWarning == null) {
Log.wtf(TAG, "Invalid intent: " + intent.toString());
finish();
}
final ApplicationInfo applicationInfo;
try {
applicationInfo = getPackageManager().getApplicationInfo(mPackageName, 0 /*flags*/);
} catch (PackageManager.NameNotFoundException e) {
Log.e(TAG, "Could not show warning because package does not exist ", e);
finish();
return;
}
final AlertController.AlertParams p = mAlertParams;
p.mTitle = getString(R.string.harmful_app_warning_title);
p.mView = createView(applicationInfo);
p.mPositiveButtonText = getString(R.string.harmful_app_warning_uninstall);
p.mPositiveButtonListener = this;
p.mNegativeButtonText = getString(R.string.harmful_app_warning_open_anyway);
p.mNegativeButtonListener = this;
mAlert.installContent(mAlertParams);
}
private View createView(ApplicationInfo applicationInfo) {
final View view = getLayoutInflater().inflate(R.layout.harmful_app_warning_dialog,
null /*root*/);
((TextView) view.findViewById(R.id.app_name_text))
.setText(applicationInfo.loadSafeLabel(getPackageManager(),
PackageItemInfo.DEFAULT_MAX_LABEL_SIZE_PX,
PackageItemInfo.SAFE_LABEL_FLAG_FIRST_LINE
| PackageItemInfo.SAFE_LABEL_FLAG_TRIM));
((TextView) view.findViewById(R.id.message))
.setText(mHarmfulAppWarning);
return view;
}
@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_POSITIVE:
getPackageManager().deletePackage(mPackageName, null /*observer*/, 0 /*flags*/);
EventLogTags.writeHarmfulAppWarningUninstall(mPackageName);
finish();
break;
case DialogInterface.BUTTON_NEGATIVE:
getPackageManager().setHarmfulAppWarning(mPackageName, null /*warning*/);
final IntentSender target = getIntent().getParcelableExtra(Intent.EXTRA_INTENT);
try {
startIntentSenderForResult(target, -1 /*requestCode*/, null /*fillInIntent*/,
0 /*flagsMask*/, 0 /*flagsValue*/, 0 /*extraFlags*/);
} catch (IntentSender.SendIntentException e) {
Log.e(TAG, "Error while starting intent sender", e);
}
EventLogTags.writeHarmfulAppWarningLaunchAnyway(mPackageName);
finish();
break;
}
}
public static Intent createHarmfulAppWarningIntent(Context context, String targetPackageName,
IntentSender target, CharSequence harmfulAppWarning) {
final Intent intent = new Intent();
intent.setClass(context, HarmfulAppWarningActivity.class);
intent.putExtra(Intent.EXTRA_PACKAGE_NAME, targetPackageName);
intent.putExtra(Intent.EXTRA_INTENT, target);
intent.putExtra(EXTRA_HARMFUL_APP_WARNING, harmfulAppWarning);
return intent;
}
}
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