Tony Mantler | 618f3c4 | 2015-04-16 15:42:24 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | package com.android.settingslib.applications; |
| 17 | |
| 18 | import android.content.Context; |
| 19 | import android.content.pm.PackageInfo; |
| 20 | import android.content.pm.PackageManager; |
| 21 | import android.content.pm.PackageManager.NameNotFoundException; |
| 22 | import android.content.pm.PermissionGroupInfo; |
| 23 | import android.content.pm.PermissionInfo; |
| 24 | import android.graphics.drawable.Drawable; |
| 25 | import android.graphics.drawable.ShapeDrawable; |
| 26 | import android.os.AsyncTask; |
| 27 | import android.os.Build; |
| 28 | import android.os.UserHandle; |
| 29 | import android.os.UserManager; |
| 30 | import android.util.ArrayMap; |
| 31 | import android.util.Log; |
| 32 | |
| 33 | import java.util.ArrayList; |
| 34 | import java.util.Collections; |
| 35 | import java.util.List; |
| 36 | import java.util.Map; |
| 37 | |
| 38 | public class PermissionsInfo { |
| 39 | |
| 40 | private static final String TAG = "PermissionsInfo"; |
| 41 | |
| 42 | private final PackageManager mPm; |
| 43 | private final ArrayList<PermissionGroup> mGroups = new ArrayList<>(); |
| 44 | private final Map<String, PermissionGroup> mGroupLookup = new ArrayMap<>(); |
| 45 | private final Callback mCallback; |
| 46 | private final Context mContext; |
| 47 | // Count of apps that request runtime permissions. |
| 48 | private int mRuntimePermAppsCt; |
| 49 | // Count of apps that are granted runtime permissions. |
| 50 | private int mRuntimePermAppsGrantedCt; |
| 51 | |
| 52 | public PermissionsInfo(Context context, Callback callback) { |
| 53 | mContext = context; |
| 54 | mPm = context.getPackageManager(); |
| 55 | mCallback = callback; |
| 56 | new PermissionsLoader().execute(); |
| 57 | } |
| 58 | |
| 59 | public List<PermissionGroup> getGroups() { |
| 60 | synchronized (mGroups) { |
| 61 | return new ArrayList<>(mGroups); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | public int getRuntimePermAppsCount() { |
| 66 | return mRuntimePermAppsCt; |
| 67 | } |
| 68 | |
| 69 | public int getRuntimePermAppsGrantedCount() { |
| 70 | return mRuntimePermAppsGrantedCt; |
| 71 | } |
| 72 | |
| 73 | private PermissionGroup getOrCreateGroup(String permission) { |
| 74 | PermissionGroup group = mGroupLookup.get(permission); |
| 75 | if (group == null) { |
| 76 | // Some permissions don't have a group, in that case treat them like a group |
| 77 | // and create their own PermissionGroup (only if they are runtime). |
| 78 | try { |
| 79 | PermissionInfo info = mPm.getPermissionInfo(permission, 0); |
| 80 | if (info.protectionLevel == PermissionInfo.PROTECTION_DANGEROUS) { |
| 81 | group = new PermissionGroup(); |
| 82 | // TODO: Add default permission icon. |
| 83 | group.icon = info.icon != 0 ? info.loadIcon(mPm) : new ShapeDrawable(); |
| 84 | group.name = info.name; |
| 85 | group.label = info.loadLabel(mPm).toString(); |
| 86 | mGroups.add(group); |
| 87 | mGroupLookup.put(permission, group); |
| 88 | } |
| 89 | } catch (NameNotFoundException e) { |
| 90 | Log.w(TAG, "Unknown permission " + permission, e); |
| 91 | } |
| 92 | } |
| 93 | return group; |
| 94 | } |
| 95 | |
| 96 | private class PermissionsLoader extends AsyncTask<Void, Void, Void> { |
| 97 | |
| 98 | @Override |
| 99 | protected Void doInBackground(Void... params) { |
| 100 | List<PermissionGroupInfo> groups = |
| 101 | mPm.getAllPermissionGroups(PackageManager.GET_META_DATA); |
| 102 | // Get the groups. |
| 103 | for (PermissionGroupInfo groupInfo : groups) { |
| 104 | PermissionGroup group = new PermissionGroup(); |
| 105 | // TODO: Add default permission icon. |
| 106 | group.icon = groupInfo.icon != 0 ? groupInfo.loadIcon(mPm) : new ShapeDrawable(); |
| 107 | group.name = groupInfo.name; |
| 108 | group.label = groupInfo.loadLabel(mPm).toString(); |
| 109 | synchronized (mGroups) { |
| 110 | mGroups.add(group); |
| 111 | } |
| 112 | } |
| 113 | // Load permissions and which are runtime. |
| 114 | for (PermissionGroup group : mGroups) { |
| 115 | try { |
| 116 | List<PermissionInfo> permissions = |
| 117 | mPm.queryPermissionsByGroup(group.name, 0); |
| 118 | for (PermissionInfo info : permissions) { |
| 119 | if (info.protectionLevel != PermissionInfo.PROTECTION_DANGEROUS) continue; |
| 120 | mGroupLookup.put(info.name, group); |
| 121 | } |
| 122 | } catch (NameNotFoundException e) { |
| 123 | Log.w(TAG, "Problem getting permissions", e); |
| 124 | } |
| 125 | } |
| 126 | // Load granted info. |
| 127 | for (UserHandle user : UserManager.get(mContext).getUserProfiles()) { |
| 128 | List<PackageInfo> allApps = mPm.getInstalledPackages( |
| 129 | PackageManager.GET_PERMISSIONS, user.getIdentifier()); |
| 130 | for (PackageInfo info : allApps) { |
| 131 | if (info.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1 |
| 132 | || info.requestedPermissions == null) { |
| 133 | continue; |
| 134 | } |
| 135 | final int N = info.requestedPermissionsFlags.length; |
| 136 | boolean appHasRuntimePerms = false; |
| 137 | boolean appGrantedRuntimePerms = false; |
| 138 | for (int i = 0; i < N; i++) { |
| 139 | boolean granted = (info.requestedPermissionsFlags[i] |
| 140 | & PackageInfo.REQUESTED_PERMISSION_GRANTED) != 0; |
| 141 | PermissionGroup group = getOrCreateGroup(info.requestedPermissions[i]); |
| 142 | String key = Integer.toString(info.applicationInfo.uid); |
| 143 | if (group != null && !group.possibleApps.contains(key)) { |
| 144 | appHasRuntimePerms = true; |
| 145 | group.possibleApps.add(key); |
| 146 | if (granted) { |
| 147 | appGrantedRuntimePerms = true; |
| 148 | group.grantedApps.add(key); |
| 149 | } |
| 150 | } |
| 151 | } |
| 152 | if (appHasRuntimePerms) { |
| 153 | mRuntimePermAppsCt++; |
| 154 | if (appGrantedRuntimePerms) { |
| 155 | mRuntimePermAppsGrantedCt++; |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | } |
| 160 | Collections.sort(mGroups); |
| 161 | |
| 162 | return null; |
| 163 | } |
| 164 | |
| 165 | @Override |
| 166 | protected void onPostExecute(Void result) { |
| 167 | mCallback.onPermissionLoadComplete(); |
| 168 | } |
| 169 | } |
| 170 | |
| 171 | public static class PermissionGroup implements Comparable<PermissionGroup> { |
| 172 | public final List<String> possibleApps = new ArrayList<>(); |
| 173 | public final List<String> grantedApps = new ArrayList<>(); |
| 174 | public String name; |
| 175 | public String label; |
| 176 | public Drawable icon; |
| 177 | |
| 178 | @Override |
| 179 | public int compareTo(PermissionGroup another) { |
| 180 | return label.compareTo(another.label); |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | public interface Callback { |
| 185 | void onPermissionLoadComplete(); |
| 186 | } |
| 187 | |
| 188 | } |