/*
* Copyright (C) 2015 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.packageinstaller.permission.model;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.util.ArrayMap;
import android.util.ArraySet;
import com.android.packageinstaller.permission.model.PermissionApps.PermissionApp;
import com.android.packageinstaller.permission.utils.Utils;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* This class handles backwards compatibility for M. Don't remove
* until we decide to drop M support altogether.
*/
public class PermissionStatusReceiver extends BroadcastReceiver {
/**
* Broadcast action that requests current permission granted information. It will respond
* to the request by sending a broadcast with action defined by
* {@link #EXTRA_GET_PERMISSIONS_RESPONSE_INTENT}. The response will contain
* {@link #EXTRA_GET_PERMISSIONS_COUNT_RESULT}, as well as
* {@link #EXTRA_GET_PERMISSIONS_GROUP_LIST_RESULT}, with contents described below or
* a null upon failure.
*
* <p>If {@link Intent#EXTRA_PACKAGE_NAME} is included then the number of permissions granted, the
* number of permissions requested and the number of granted additional permissions
* by that package will be calculated and included as the first
* and second elements respectively of an int[] in the response as
* {@link #EXTRA_GET_PERMISSIONS_COUNT_RESULT}. The response will also deliver the list
* of localized permission group names that are granted in
* {@link #EXTRA_GET_PERMISSIONS_GROUP_LIST_RESULT}.
*
* <p>If {@link #EXTRA_PACKAGE_NAME} is not included then the number of apps granted any runtime
* permissions and the total number of apps requesting runtime permissions will be the first
* and second elements respectively of an int[] in the response as
* {@link #EXTRA_GET_PERMISSIONS_COUNT_RESULT}.
*
* @hide
*/
public static final String ACTION_GET_PERMISSIONS_COUNT
= "android.intent.action.GET_PERMISSIONS_COUNT";
/**
* Broadcast action that requests list of all apps that have runtime permissions. It will
* respond to the request by sending a broadcast with action defined by
* {@link #EXTRA_GET_PERMISSIONS_PACKAGES_RESPONSE_INTENT}. The response will contain
* {@link #EXTRA_GET_PERMISSIONS_APP_LIST_RESULT}, as well as
* {@link #EXTRA_GET_PERMISSIONS_APP_LABEL_LIST_RESULT}, with contents described below or
* a null upon failure.
*
* <p>{@link #EXTRA_GET_PERMISSIONS_APP_LIST_RESULT} will contain a list of package names of
* apps that have runtime permissions. {@link #EXTRA_GET_PERMISSIONS_APP_LABEL_LIST_RESULT}
* will contain the list of app labels corresponding ot the apps in the first list.
*
* @hide
*/
public static final String ACTION_GET_PERMISSIONS_PACKAGES
= "android.intent.action.GET_PERMISSIONS_PACKAGES";
/**
* Extra included in response to {@link #ACTION_GET_PERMISSIONS_COUNT}.
* @hide
*/
public static final String EXTRA_GET_PERMISSIONS_COUNT_RESULT
= "android.intent.extra.GET_PERMISSIONS_COUNT_RESULT";
/**
* List of CharSequence of localized permission group labels.
* @hide
*/
public static final String EXTRA_GET_PERMISSIONS_GROUP_LIST_RESULT
= "android.intent.extra.GET_PERMISSIONS_GROUP_LIST_RESULT";
/**
* String list of apps that have one or more runtime permissions.
* @hide
*/
public static final String EXTRA_GET_PERMISSIONS_APP_LIST_RESULT
= "android.intent.extra.GET_PERMISSIONS_APP_LIST_RESULT";
/**
* String list of app labels for apps that have one or more runtime permissions.
* @hide
*/
public static final String EXTRA_GET_PERMISSIONS_APP_LABEL_LIST_RESULT
= "android.intent.extra.GET_PERMISSIONS_APP_LABEL_LIST_RESULT";
/**
* Boolean list describing if the app is a system app for apps that have one or more runtime
* permissions.
* @hide
*/
public static final String EXTRA_GET_PERMISSIONS_IS_SYSTEM_APP_LIST_RESULT
= "android.intent.extra.GET_PERMISSIONS_IS_SYSTEM_APP_LIST_RESULT";
/**
* Required extra to be sent with {@link #ACTION_GET_PERMISSIONS_COUNT} broadcasts.
* @hide
*/
public static final String EXTRA_GET_PERMISSIONS_RESPONSE_INTENT
= "android.intent.extra.GET_PERMISSIONS_RESONSE_INTENT";
/**
* Required extra to be sent with {@link #ACTION_GET_PERMISSIONS_PACKAGES} broadcasts.
* @hide
*/
public static final String EXTRA_GET_PERMISSIONS_PACKAGES_RESPONSE_INTENT
= "android.intent.extra.GET_PERMISSIONS_PACKAGES_RESONSE_INTENT";
@Override
public void onReceive(Context context, Intent intent) {
if (ACTION_GET_PERMISSIONS_COUNT.equals(intent.getAction())) {
Intent responseIntent = new Intent(intent.getStringExtra(
EXTRA_GET_PERMISSIONS_RESPONSE_INTENT));
responseIntent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND);
int[] counts = new int[3];
ArrayList<CharSequence> grantedGroups = new ArrayList<>();
boolean succeeded = false;
boolean isForPackage = intent.hasExtra(Intent.EXTRA_PACKAGE_NAME);
if (isForPackage) {
String pkg = intent.getStringExtra(Intent.EXTRA_PACKAGE_NAME);
succeeded = getPermissionsCount(context, pkg, counts, grantedGroups);
} else {
succeeded = getAppsWithPermissionsCount(context, counts);
}
if (succeeded) {
responseIntent.putExtra(EXTRA_GET_PERMISSIONS_COUNT_RESULT, counts);
if (isForPackage) {
responseIntent.putExtra(EXTRA_GET_PERMISSIONS_GROUP_LIST_RESULT,
grantedGroups.toArray(new CharSequence[grantedGroups.size()]));
}
}
context.sendBroadcast(responseIntent);
} else if (ACTION_GET_PERMISSIONS_PACKAGES.equals(intent.getAction())) {
Intent responseIntent = new Intent(intent.getStringExtra(
EXTRA_GET_PERMISSIONS_PACKAGES_RESPONSE_INTENT));
responseIntent.setFlags(Intent.FLAG_RECEIVER_FOREGROUND);
List<String> appsList = new ArrayList<>();
List<CharSequence> appLabelsList = new ArrayList<>();
List<Boolean> isSystemAppList = new ArrayList<>();
if (getAppsWithRuntimePermissions(context, appsList, appLabelsList, isSystemAppList)) {
responseIntent.putExtra(EXTRA_GET_PERMISSIONS_APP_LIST_RESULT,
appsList.toArray(new String[appsList.size()]));
responseIntent.putExtra(EXTRA_GET_PERMISSIONS_APP_LABEL_LIST_RESULT,
appLabelsList.toArray(new String[appLabelsList.size()]));
responseIntent.putExtra(EXTRA_GET_PERMISSIONS_IS_SYSTEM_APP_LIST_RESULT,
toPrimitiveBoolArray(isSystemAppList));
}
context.sendBroadcast(responseIntent);
}
}
public boolean getPermissionsCount(Context context, String pkg, int[] counts,
ArrayList<CharSequence> grantedGroups) {
try {
PackageInfo packageInfo =
context.getPackageManager().getPackageInfo(pkg, PackageManager.GET_PERMISSIONS);
AppPermissions appPermissions =
new AppPermissions(context, packageInfo, null, false, null);
int grantedCount = 0;
int totalCount = 0;
int additionalCount = 0;
for (AppPermissionGroup group : appPermissions.getPermissionGroups()) {
if (Utils.shouldShowPermission(group, pkg)) {
totalCount++;
if (group.areRuntimePermissionsGranted()) {
grantedCount++;
if (Utils.OS_PKG.equals(group.getDeclaringPackage())) {
grantedGroups.add(group.getLabel());
} else {
additionalCount++;
}
}
}
}
// Sort
Collator coll = Collator.getInstance();
coll.setStrength(Collator.PRIMARY);
Collections.sort(grantedGroups, coll);
// Set results
counts[0] = grantedCount;
counts[1] = totalCount;
counts[2] = additionalCount;
return true;
} catch (NameNotFoundException e) {
return false;
}
}
public boolean getAppsWithRuntimePermissions(Context context, List<String> appsList,
List<CharSequence> appLabelsList, List<Boolean> isSystemAppList) {
final List<ApplicationInfo> appInfos = Utils.getAllInstalledApplications(context);
if (appInfos == null) {
return false;
}
final int appInfosSize = appInfos.size();
try {
ArraySet<String> launcherPackages = Utils.getLauncherPackages(context);
for (int i = 0; i < appInfosSize; ++i) {
final String packageName = appInfos.get(i).packageName;
PackageInfo packageInfo = context.getPackageManager().getPackageInfo(
packageName, PackageManager.GET_PERMISSIONS);
AppPermissions appPermissions =
new AppPermissions(context, packageInfo, null, false, null);
boolean shouldShow = false;
for (AppPermissionGroup group : appPermissions.getPermissionGroups()) {
if (Utils.shouldShowPermission(group, packageName)) {
shouldShow = true;
break;
}
}
if (shouldShow) {
appsList.add(packageName);
appLabelsList.add(appPermissions.getAppLabel());
isSystemAppList.add(Utils.isSystem(appPermissions, launcherPackages));
}
}
} catch (NameNotFoundException e) {
return false;
}
return true;
}
public boolean getAppsWithPermissionsCount(Context context, int[] counts) {
ArraySet<String> launcherPkgs = Utils.getLauncherPackages(context);
// Indexed by uid.
ArrayMap<String, Boolean> grantedApps = new ArrayMap<>();
ArrayMap<String, Boolean> allApps = new ArrayMap<>();
for (String group : Utils.MODERN_PERMISSION_GROUPS) {
PermissionApps permissionApps = new PermissionApps(context,
group, null);
permissionApps.loadNowWithoutUi();
for (PermissionApp app : permissionApps.getApps()) {
String key = app.getKey();
if (Utils.isSystem(app, launcherPkgs)) {
// We default to not showing system apps, so hide them from count.
continue;
}
if (app.areRuntimePermissionsGranted()) {
grantedApps.put(key, true);
}
allApps.put(key, true);
}
}
counts[0] = grantedApps.size();
counts[1] = allApps.size();
return true;
}
private boolean[] toPrimitiveBoolArray(final List<Boolean> list) {
final int count = list.size();
final boolean[] result = new boolean[count];
for (int i = 0; i < count; ++i) {
result[i] = list.get(i);
}
return result;
}
}