| /* |
| * 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.permissionutils; |
| |
| import android.content.Context; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.PermissionInfo; |
| import android.os.UserHandle; |
| import android.util.Log; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * A utility to dump or grant all revoked runtime permissions |
| */ |
| public class GrantPermissionUtil { |
| private static final String LOG_TAG = GrantPermissionUtil.class.getSimpleName(); |
| |
| public static void grantAllPermissions (Context context) { |
| PackageManager pm = context.getPackageManager(); |
| for (PackageInfo pkgInfo : getPackageInfos(context)) { |
| List<String> missingPermissions = getMissingPermissions(context, pkgInfo); |
| if (!missingPermissions.isEmpty()) { |
| for (String permission : missingPermissions) { |
| pm.grantRuntimePermission(pkgInfo.packageName, permission, UserHandle.OWNER); |
| } |
| } |
| } |
| } |
| |
| public static void dumpMissingPermissions (Context context) { |
| for (PackageInfo pkgInfo : getPackageInfos(context)) { |
| List<String> missingPermissions = getMissingPermissions(context, pkgInfo); |
| if (!missingPermissions.isEmpty()) { |
| Log.e(LOG_TAG, String.format("Missing permissions for %s", pkgInfo.packageName)); |
| for (String permission : missingPermissions) { |
| Log.e(LOG_TAG, " " + permission); |
| } |
| } |
| } |
| } |
| |
| private static List<PackageInfo> getPackageInfos(Context context) { |
| return context.getPackageManager().getInstalledPackages(PackageManager.GET_PERMISSIONS); |
| } |
| |
| private static List<String> getMissingPermissions(Context context, PackageInfo info) { |
| // No requested permissions |
| if (info.requestedPermissions == null) { |
| return new ArrayList<>(); |
| } |
| List<String> result = new ArrayList<>(); |
| PackageManager pm = context.getPackageManager(); |
| // Iterate through requested permissions for denied ones |
| for (String permission : info.requestedPermissions) { |
| PermissionInfo pi = null; |
| try { |
| pi = pm.getPermissionInfo(permission, 0); |
| } catch (NameNotFoundException nnfe) { |
| // ignore |
| } |
| if (pi == null) { |
| continue; |
| } |
| if (!isRuntime(pi)) { |
| continue; |
| } |
| int flag = pm.checkPermission(permission, info.packageName); |
| if (flag == PackageManager.PERMISSION_DENIED) { |
| result.add(permission); |
| } |
| } |
| return result; |
| } |
| |
| private static boolean isRuntime(PermissionInfo pi) { |
| return (pi.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) |
| == PermissionInfo.PROTECTION_DANGEROUS; |
| } |
| } |