| /* |
| * Copyright 2019 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.car.settings.applications; |
| |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.Context; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PermissionGroupInfo; |
| import android.content.pm.PermissionInfo; |
| import android.icu.text.ListFormatter; |
| import android.util.ArraySet; |
| |
| import androidx.preference.Preference; |
| |
| import com.android.car.settings.R; |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.settings.common.Logger; |
| import com.android.car.settings.common.PreferenceController; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * Updates the summary of the entry preference for app permissions to show up to a fixed number of |
| * permission groups currently permitted. |
| */ |
| public class AppPermissionsEntryPreferenceController extends PreferenceController<Preference> { |
| |
| private static final Logger LOG = new Logger(AppPermissionsEntryPreferenceController.class); |
| |
| private static final String[] PERMISSION_GROUPS = new String[]{ |
| "android.permission-group.LOCATION", |
| "android.permission-group.MICROPHONE", |
| "android.permission-group.CAMERA", |
| "android.permission-group.SMS", |
| "android.permission-group.CONTACTS", |
| "android.permission-group.PHONE"}; |
| |
| private static final int NUM_PERMISSION_TO_USE = 3; |
| |
| private PackageManager mPackageManager; |
| |
| public AppPermissionsEntryPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| mPackageManager = context.getPackageManager(); |
| } |
| |
| @Override |
| protected Class<Preference> getPreferenceType() { |
| return Preference.class; |
| } |
| |
| @Override |
| protected void updateState(Preference preference) { |
| Set<String> permissions = getAllPermissionsInGroups(); |
| Set<String> grantedPermissionGroups = getGrantedPermissionGroups(permissions); |
| int count = 0; |
| final List<String> summaries = new ArrayList<>(); |
| |
| // Iterate over array instead of set to show sensitive permissions first. |
| for (String group : PERMISSION_GROUPS) { |
| if (!grantedPermissionGroups.contains(group)) { |
| continue; |
| } |
| summaries.add(getPermissionGroupLabel(group).toString().toLowerCase()); |
| if (++count >= NUM_PERMISSION_TO_USE) { |
| break; |
| } |
| } |
| String summary = (count > 0) ? getContext().getString(R.string.app_permissions_summary, |
| ListFormatter.getInstance().format(summaries)) : null; |
| |
| preference.setSummary(summary); |
| } |
| |
| private Set<String> getAllPermissionsInGroups() { |
| Set<String> result = new ArraySet<>(); |
| for (String group : PERMISSION_GROUPS) { |
| try { |
| List<PermissionInfo> permissions = mPackageManager.queryPermissionsByGroup( |
| group, /* flags= */ 0); |
| for (PermissionInfo permissionInfo : permissions) { |
| result.add(permissionInfo.name); |
| } |
| } catch (PackageManager.NameNotFoundException e) { |
| LOG.e("Error getting permissions in group " + group, e); |
| } |
| } |
| return result; |
| } |
| |
| private Set<String> getGrantedPermissionGroups(Set<String> permissions) { |
| Set<String> grantedPermissionGroups = new ArraySet<>(); |
| List<PackageInfo> installedPackages = |
| mPackageManager.getInstalledPackages(PackageManager.GET_PERMISSIONS); |
| for (PackageInfo installedPackage : installedPackages) { |
| if (installedPackage.permissions == null) { |
| continue; |
| } |
| for (PermissionInfo permissionInfo : installedPackage.permissions) { |
| if (permissions.contains(permissionInfo.name)) { |
| grantedPermissionGroups.add(permissionInfo.group); |
| } |
| } |
| } |
| return grantedPermissionGroups; |
| } |
| |
| private CharSequence getPermissionGroupLabel(String group) { |
| try { |
| PermissionGroupInfo groupInfo = mPackageManager.getPermissionGroupInfo( |
| group, /* flags= */ 0); |
| return groupInfo.loadLabel(mPackageManager); |
| } catch (PackageManager.NameNotFoundException e) { |
| LOG.e("Error getting permissions label.", e); |
| } |
| return group; |
| } |
| } |