| /* |
| * 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.settingslib.applications; |
| |
| import android.content.Context; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.pm.PermissionGroupInfo; |
| import android.content.pm.PermissionInfo; |
| import android.graphics.drawable.Drawable; |
| import android.os.AsyncTask; |
| import android.os.Build; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class PermissionsInfo { |
| |
| private static final String TAG = "PermissionsInfo"; |
| |
| private final PackageManager mPm; |
| private final ArrayList<PermissionGroup> mGroups = new ArrayList<>(); |
| private final Map<String, PermissionGroup> mGroupLookup = new ArrayMap<>(); |
| private final Callback mCallback; |
| private final Context mContext; |
| // Count of apps that request runtime permissions. |
| private int mRuntimePermAppsCt; |
| // Count of apps that are granted runtime permissions. |
| private int mRuntimePermAppsGrantedCt; |
| |
| public PermissionsInfo(Context context, Callback callback) { |
| mContext = context; |
| mPm = context.getPackageManager(); |
| mCallback = callback; |
| new PermissionsLoader().execute(); |
| } |
| |
| public List<PermissionGroup> getGroups() { |
| synchronized (mGroups) { |
| return new ArrayList<>(mGroups); |
| } |
| } |
| |
| public int getRuntimePermAppsCount() { |
| return mRuntimePermAppsCt; |
| } |
| |
| public int getRuntimePermAppsGrantedCount() { |
| return mRuntimePermAppsGrantedCt; |
| } |
| |
| private PermissionGroup getOrCreateGroup(String permission) { |
| PermissionGroup group = mGroupLookup.get(permission); |
| if (group == null) { |
| // Some permissions don't have a group, in that case treat them like a group |
| // and create their own PermissionGroup (only if they are runtime). |
| try { |
| PermissionInfo info = mPm.getPermissionInfo(permission, 0); |
| if (info.protectionLevel == PermissionInfo.PROTECTION_DANGEROUS) { |
| group = new PermissionGroup(); |
| // TODO: Add default permission icon. |
| group.icon = info.icon != 0 ? info.loadIcon(mPm) : mContext.getDrawable( |
| com.android.internal.R.drawable.ic_perm_device_info); |
| group.name = info.name; |
| group.packageName = info.packageName; |
| group.label = info.loadLabel(mPm).toString(); |
| mGroups.add(group); |
| mGroupLookup.put(permission, group); |
| } |
| } catch (NameNotFoundException e) { |
| Log.w(TAG, "Unknown permission " + permission, e); |
| } |
| } |
| return group; |
| } |
| |
| private class PermissionsLoader extends AsyncTask<Void, Void, Void> { |
| |
| @Override |
| protected Void doInBackground(Void... params) { |
| List<PermissionGroupInfo> groups = |
| mPm.getAllPermissionGroups(PackageManager.GET_META_DATA); |
| // Get the groups. |
| for (PermissionGroupInfo groupInfo : groups) { |
| PermissionGroup group = new PermissionGroup(); |
| // TODO: Add default permission icon. |
| group.icon = groupInfo.icon != 0 ? groupInfo.loadIcon(mPm) : mContext.getDrawable( |
| com.android.internal.R.drawable.ic_perm_device_info); |
| group.name = groupInfo.name; |
| group.packageName = groupInfo.packageName; |
| group.label = groupInfo.loadLabel(mPm).toString(); |
| synchronized (mGroups) { |
| mGroups.add(group); |
| } |
| } |
| // Load permissions and which are runtime. |
| for (PermissionGroup group : mGroups) { |
| try { |
| List<PermissionInfo> permissions = |
| mPm.queryPermissionsByGroup(group.name, 0); |
| for (PermissionInfo info : permissions) { |
| if (info.protectionLevel != PermissionInfo.PROTECTION_DANGEROUS) continue; |
| mGroupLookup.put(info.name, group); |
| } |
| } catch (NameNotFoundException e) { |
| Log.w(TAG, "Problem getting permissions", e); |
| } |
| } |
| // Load granted info. |
| for (UserHandle user : UserManager.get(mContext).getUserProfiles()) { |
| List<PackageInfo> allApps = mPm.getInstalledPackages( |
| PackageManager.GET_PERMISSIONS, user.getIdentifier()); |
| for (PackageInfo info : allApps) { |
| if (info.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1 |
| || info.requestedPermissions == null) { |
| continue; |
| } |
| final int N = info.requestedPermissionsFlags.length; |
| boolean appHasRuntimePerms = false; |
| boolean appGrantedRuntimePerms = false; |
| for (int i = 0; i < N; i++) { |
| boolean granted = (info.requestedPermissionsFlags[i] |
| & PackageInfo.REQUESTED_PERMISSION_GRANTED) != 0; |
| PermissionGroup group = getOrCreateGroup(info.requestedPermissions[i]); |
| String key = Integer.toString(info.applicationInfo.uid); |
| if (group != null && !group.possibleApps.contains(key)) { |
| appHasRuntimePerms = true; |
| group.possibleApps.add(key); |
| if (granted) { |
| appGrantedRuntimePerms = true; |
| group.grantedApps.add(key); |
| } |
| } |
| } |
| if (appHasRuntimePerms) { |
| mRuntimePermAppsCt++; |
| if (appGrantedRuntimePerms) { |
| mRuntimePermAppsGrantedCt++; |
| } |
| } |
| } |
| } |
| Collections.sort(mGroups); |
| |
| return null; |
| } |
| |
| @Override |
| protected void onPostExecute(Void result) { |
| mCallback.onPermissionLoadComplete(); |
| } |
| } |
| |
| public static class PermissionGroup implements Comparable<PermissionGroup> { |
| public final List<String> possibleApps = new ArrayList<>(); |
| public final List<String> grantedApps = new ArrayList<>(); |
| public String name; |
| public String packageName; |
| public String label; |
| public Drawable icon; |
| |
| @Override |
| public int compareTo(PermissionGroup another) { |
| return label.compareTo(another.label); |
| } |
| } |
| |
| public interface Callback { |
| void onPermissionLoadComplete(); |
| } |
| |
| } |