911f7e7aa9
Android T allows apps to declare a runtime receiver as not exported by invoking registerReceiver with a new RECEIVER_NOT_EXPORTED flag; receivers registered with this flag will only receive broadcasts from the platform and the app itself. However to ensure developers can properly protect their receivers, all apps targeting T or later registering a receiver for non-system broadcasts must specify either the exported or not exported flag when invoking #registerReceiver; if one of these flags is not provided, the platform will throw a SecurityException. This commit updates all the exposed receivers with a new RECEIVER_EXPORTED_UNAUDITED flag to maintain the existing behavior of exporting the receiver while also flagging the receiver for audit before the T release. Bug: 161145287 Test: Build Change-Id: Ie97372efebd8258d9a4c503771d55109a85e6ae9
123 lines
4.5 KiB
Java
123 lines
4.5 KiB
Java
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.location;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.location.SettingInjectorService;
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import android.os.UserHandle;
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import android.util.Log;
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import androidx.annotation.VisibleForTesting;
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import androidx.lifecycle.Lifecycle;
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import androidx.lifecycle.OnLifecycleEvent;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.Utils;
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import com.android.settings.dashboard.DashboardFragment;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import java.util.List;
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import java.util.Map;
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/**
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* A abstract class which is responsible for creating the injected location services items.
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* Developer needs to implement the {@link #injectLocationServices(PreferenceScreen)}.
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*/
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public abstract class LocationInjectedServiceBasePreferenceController
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extends LocationBasePreferenceController implements LifecycleObserver{
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private static final String TAG = "LocationPrefCtrl";
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@VisibleForTesting
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static final IntentFilter INTENT_FILTER_INJECTED_SETTING_CHANGED =
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new IntentFilter(SettingInjectorService.ACTION_INJECTED_SETTING_CHANGED);
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@VisibleForTesting
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AppSettingsInjector mInjector;
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/** Receives UPDATE_INTENT */
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@VisibleForTesting
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BroadcastReceiver mInjectedSettingsReceiver;
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public LocationInjectedServiceBasePreferenceController(Context context, String key) {
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super(context, key);
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}
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@Override
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public void init(DashboardFragment fragment) {
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super.init(fragment);
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mInjector = new AppSettingsInjector(mContext, getMetricsCategory());
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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injectLocationServices(screen);
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}
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/**
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* Override this method to inject location services in preference screen.
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* @param screen
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*/
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protected abstract void injectLocationServices(PreferenceScreen screen);
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@Override
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public void onLocationModeChanged(int mode, boolean restricted) {
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// As a safety measure, also reloads on location mode change to ensure the settings are
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// up-to-date even if an affected app doesn't send the setting changed broadcast.
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mInjector.reloadStatusMessages();
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}
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/** @OnLifecycleEvent(ON_RESUME) */
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@OnLifecycleEvent(Lifecycle.Event.ON_RESUME)
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public void onResume() {
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if (mInjectedSettingsReceiver == null) {
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mInjectedSettingsReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (Log.isLoggable(TAG, Log.DEBUG)) {
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Log.d(TAG, "Received settings change intent: " + intent);
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}
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mInjector.reloadStatusMessages();
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}
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};
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}
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mContext.registerReceiver(
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mInjectedSettingsReceiver, INTENT_FILTER_INJECTED_SETTING_CHANGED,
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Context.RECEIVER_EXPORTED_UNAUDITED);
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}
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/** @OnLifecycleEvent(ON_PAUSE) */
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@OnLifecycleEvent(Lifecycle.Event.ON_PAUSE)
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public void onPause() {
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mContext.unregisterReceiver(mInjectedSettingsReceiver);
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}
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protected Map<Integer, List<Preference>> getLocationServices() {
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// If location access is locked down by device policy then we only show injected settings
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// for the primary profile.
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final int profileUserId = Utils.getManagedProfileId(mUserManager, UserHandle.myUserId());
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return mInjector.getInjectedSettings(mFragment.getPreferenceManager().getContext(),
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(profileUserId != UserHandle.USER_NULL
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&& mLocationEnabler.getShareLocationEnforcedAdmin(profileUserId) != null)
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? UserHandle.myUserId() : UserHandle.USER_CURRENT);
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}
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}
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