1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.packageinstaller.permission.service; 18 19 import android.content.pm.PackageInfo; 20 import android.content.pm.PackageManager; 21 import android.content.pm.permission.RuntimePermissionPresentationInfo; 22 import android.permissionpresenterservice.RuntimePermissionPresenterService; 23 import android.util.Log; 24 25 import com.android.packageinstaller.permission.model.AppPermissionGroup; 26 import com.android.packageinstaller.permission.model.AppPermissions; 27 import com.android.packageinstaller.permission.utils.Utils; 28 29 import java.util.ArrayList; 30 import java.util.List; 31 32 /** 33 * Service that provides presentation information for runtime permissions. 34 */ 35 public final class RuntimePermissionPresenterServiceImpl extends RuntimePermissionPresenterService { 36 private static final String LOG_TAG = "PermissionPresenter"; 37 38 @Override onGetAppPermissions(String packageName)39 public List<RuntimePermissionPresentationInfo> onGetAppPermissions(String packageName) { 40 final PackageInfo packageInfo; 41 try { 42 packageInfo = getPackageManager().getPackageInfo(packageName, 43 PackageManager.GET_PERMISSIONS); 44 } catch (PackageManager.NameNotFoundException e) { 45 Log.e(LOG_TAG, "Error getting package:" + packageName, e); 46 return null; 47 } 48 49 List<RuntimePermissionPresentationInfo> permissions = new ArrayList<>(); 50 51 AppPermissions appPermissions = new AppPermissions(this, packageInfo, null, false, null); 52 for (AppPermissionGroup group : appPermissions.getPermissionGroups()) { 53 if (Utils.shouldShowPermission(group, packageName)) { 54 final boolean granted = group.areRuntimePermissionsGranted(); 55 final boolean standard = Utils.OS_PKG.equals(group.getDeclaringPackage()); 56 RuntimePermissionPresentationInfo permission = 57 new RuntimePermissionPresentationInfo(group.getLabel(), 58 granted, standard); 59 permissions.add(permission); 60 } 61 } 62 63 return permissions; 64 } 65 66 @Override onRevokeRuntimePermission(String packageName, String permissionName)67 public void onRevokeRuntimePermission(String packageName, String permissionName) { 68 try { 69 final PackageInfo packageInfo = getPackageManager().getPackageInfo(packageName, 70 PackageManager.GET_PERMISSIONS); 71 final AppPermissions appPermissions = new AppPermissions(this, packageInfo, null, false, 72 null); 73 74 final AppPermissionGroup appPermissionGroup = appPermissions.getGroupForPermission( 75 permissionName); 76 77 if (appPermissionGroup != null) { 78 appPermissionGroup.revokeRuntimePermissions(false); 79 } 80 } catch (PackageManager.NameNotFoundException e) { 81 Log.e(LOG_TAG, "Error getting package:" + packageName, e); 82 } 83 } 84 } 85