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.cts.verifier.managedprovisioning;
18 
19 import android.content.Context;
20 import android.content.Intent;
21 import android.content.pm.PackageManager;
22 import android.os.UserManager;
23 import android.provider.Settings;
24 import android.util.ArrayMap;
25 
26 import com.android.cts.verifier.R;
27 
28 import java.util.ArrayList;
29 import java.util.Arrays;
30 import java.util.List;
31 
32 public class UserRestrictions {
33     private static final String[] RESTRICTION_IDS_FOR_POLICY_TRANSPARENCY = new String[] {
34         UserManager.DISALLOW_ADD_USER,
35         UserManager.DISALLOW_ADJUST_VOLUME,
36         UserManager.DISALLOW_APPS_CONTROL,
37         UserManager.DISALLOW_CONFIG_CELL_BROADCASTS,
38         UserManager.DISALLOW_CONFIG_CREDENTIALS,
39         UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS,
40         UserManager.DISALLOW_CONFIG_TETHERING,
41         UserManager.DISALLOW_CONFIG_WIFI,
42         UserManager.DISALLOW_DEBUGGING_FEATURES,
43         UserManager.DISALLOW_FACTORY_RESET,
44         UserManager.DISALLOW_FUN,
45         UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES,
46         UserManager.DISALLOW_MODIFY_ACCOUNTS,
47         UserManager.DISALLOW_NETWORK_RESET,
48         UserManager.DISALLOW_OUTGOING_BEAM,
49         UserManager.DISALLOW_REMOVE_MANAGED_PROFILE,
50         UserManager.DISALLOW_REMOVE_USER,
51         UserManager.DISALLOW_SHARE_LOCATION,
52         UserManager.DISALLOW_UNINSTALL_APPS
53     };
54 
55     private static final ArrayMap<String, UserRestrictionItem> USER_RESTRICTION_ITEMS;
56     static {
57         final int[] restrictionLabels = new int[] {
58             R.string.disallow_add_user,
59             R.string.disallow_adjust_volume,
60             R.string.disallow_apps_control,
61             R.string.disallow_config_cell_broadcasts,
62             R.string.disallow_config_credentials,
63             R.string.disallow_config_mobile_networks,
64             R.string.disallow_config_tethering,
65             R.string.disallow_config_wifi,
66             R.string.disallow_debugging_features,
67             R.string.disallow_factory_reset,
68             R.string.disallow_fun,
69             R.string.disallow_install_unknown_sources,
70             R.string.disallow_modify_accounts,
71             R.string.disallow_network_reset,
72             R.string.disallow_outgoing_beam,
73             R.string.disallow_remove_managed_profile,
74             R.string.disallow_remove_user,
75             R.string.disallow_share_location,
76             R.string.disallow_uninstall_apps
77         };
78 
79         final int[] restrictionActions = new int[] {
80             R.string.disallow_add_user_action,
81             R.string.disallow_adjust_volume_action,
82             R.string.disallow_apps_control_action,
83             R.string.disallow_config_cell_broadcasts_action,
84             R.string.disallow_config_credentials_action,
85             R.string.disallow_config_mobile_networks_action,
86             R.string.disallow_config_tethering_action,
87             R.string.disallow_config_wifi_action,
88             R.string.disallow_debugging_features_action,
89             R.string.disallow_factory_reset_action,
90             R.string.disallow_fun_action,
91             R.string.disallow_install_unknown_sources_action,
92             R.string.disallow_modify_accounts_action,
93             R.string.disallow_network_reset_action,
94             R.string.disallow_outgoing_beam_action,
95             R.string.disallow_remove_managed_profile_action,
96             R.string.disallow_remove_user_action,
97             R.string.disallow_share_location_action,
98             R.string.disallow_uninstall_apps_action
99         };
100 
101         final String[] settingsIntentActions = new String[] {
102             Settings.ACTION_SETTINGS,
103             Settings.ACTION_SOUND_SETTINGS,
104             Settings.ACTION_APPLICATION_SETTINGS,
105             Settings.ACTION_SOUND_SETTINGS,
106             Settings.ACTION_SECURITY_SETTINGS,
107             Settings.ACTION_WIRELESS_SETTINGS,
108             Settings.ACTION_WIRELESS_SETTINGS,
109             Settings.ACTION_WIFI_SETTINGS,
110             Settings.ACTION_DEVICE_INFO_SETTINGS,
111             Settings.ACTION_PRIVACY_SETTINGS,
112             Settings.ACTION_DEVICE_INFO_SETTINGS,
113             Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES,
114             Settings.ACTION_SYNC_SETTINGS,
115             Settings.ACTION_WIRELESS_SETTINGS,
116             Settings.ACTION_WIRELESS_SETTINGS,
117             Settings.ACTION_SETTINGS,
118             Settings.ACTION_SETTINGS,
119             Settings.ACTION_LOCATION_SOURCE_SETTINGS,
120             Settings.ACTION_APPLICATION_SETTINGS,
121         };
122 
123         if (RESTRICTION_IDS_FOR_POLICY_TRANSPARENCY.length != restrictionLabels.length
124                 || RESTRICTION_IDS_FOR_POLICY_TRANSPARENCY.length != restrictionActions.length
125                 || RESTRICTION_IDS_FOR_POLICY_TRANSPARENCY.length != settingsIntentActions.length) {
126             throw new AssertionError("Number of items in restrictionIds, restrictionLabels, "
127                     + "restrictionActions, and settingsIntentActions do not match");
128         }
129         USER_RESTRICTION_ITEMS = new ArrayMap<>(RESTRICTION_IDS_FOR_POLICY_TRANSPARENCY.length);
130         for (int i = 0; i < RESTRICTION_IDS_FOR_POLICY_TRANSPARENCY.length; ++i) {
USER_RESTRICTION_ITEMS.put(RESTRICTION_IDS_FOR_POLICY_TRANSPARENCY[i], new UserRestrictionItem( restrictionLabels[i], restrictionActions[i], settingsIntentActions[i]))131             USER_RESTRICTION_ITEMS.put(RESTRICTION_IDS_FOR_POLICY_TRANSPARENCY[i],
132                     new UserRestrictionItem(
133                             restrictionLabels[i],
134                             restrictionActions[i],
135                             settingsIntentActions[i]));
136         }
137     }
138 
139     private static final ArrayList<String> ALSO_VALID_FOR_PO_POLICY_TRANSPARENCY =
140             new ArrayList<String>();
141     static {
142         ALSO_VALID_FOR_PO_POLICY_TRANSPARENCY.add(UserManager.DISALLOW_APPS_CONTROL);
143         ALSO_VALID_FOR_PO_POLICY_TRANSPARENCY.add(UserManager.DISALLOW_UNINSTALL_APPS);
144         ALSO_VALID_FOR_PO_POLICY_TRANSPARENCY.add(UserManager.DISALLOW_MODIFY_ACCOUNTS);
145         ALSO_VALID_FOR_PO_POLICY_TRANSPARENCY.add(UserManager.DISALLOW_SHARE_LOCATION);
146     }
147 
getRestrictionLabel(Context context, String restriction)148     public static String getRestrictionLabel(Context context, String restriction) {
149         final UserRestrictionItem item = findRestrictionItem(restriction);
150         return context.getString(item.label);
151     }
152 
getUserAction(Context context, String restriction)153     public static String getUserAction(Context context, String restriction) {
154         final UserRestrictionItem item = findRestrictionItem(restriction);
155         return context.getString(item.userAction);
156     }
157 
findRestrictionItem(String restriction)158     private static UserRestrictionItem findRestrictionItem(String restriction) {
159         final UserRestrictionItem item = USER_RESTRICTION_ITEMS.get(restriction);
160         if (item == null) {
161             throw new IllegalArgumentException("Unknown restriction: " + restriction);
162         }
163         return item;
164     }
165 
getUserRestrictionsForPolicyTransparency(int mode)166     public static List<String> getUserRestrictionsForPolicyTransparency(int mode) {
167         if (mode == PolicyTransparencyTestListActivity.MODE_DEVICE_OWNER) {
168             ArrayList<String> result = new ArrayList<String>();
169             // They are all valid except for DISALLOW_REMOVE_MANAGED_PROFILE
170             for (String st : RESTRICTION_IDS_FOR_POLICY_TRANSPARENCY) {
171                 if (!st.equals(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE)) {
172                     result.add(st);
173                 }
174             }
175             return result;
176         } else if (mode == PolicyTransparencyTestListActivity.MODE_COMP) {
177             return Arrays.asList(UserManager.DISALLOW_REMOVE_MANAGED_PROFILE);
178         } else if (mode == PolicyTransparencyTestListActivity.MODE_PROFILE_OWNER) {
179             return ALSO_VALID_FOR_PO_POLICY_TRANSPARENCY;
180         }
181         throw new RuntimeException("Invalid mode " + mode);
182     }
183 
getUserRestrictionTestIntent(Context context, String restriction)184     public static Intent getUserRestrictionTestIntent(Context context, String restriction) {
185         final UserRestrictionItem item = USER_RESTRICTION_ITEMS.get(restriction);
186         return new Intent(PolicyTransparencyTestActivity.ACTION_SHOW_POLICY_TRANSPARENCY_TEST)
187                 .putExtra(PolicyTransparencyTestActivity.EXTRA_TEST,
188                         PolicyTransparencyTestActivity.TEST_CHECK_USER_RESTRICTION)
189                 .putExtra(CommandReceiverActivity.EXTRA_USER_RESTRICTION, restriction)
190                 .putExtra(PolicyTransparencyTestActivity.EXTRA_TITLE, context.getString(item.label))
191                 .putExtra(PolicyTransparencyTestActivity.EXTRA_SETTINGS_INTENT_ACTION,
192                         item.intentAction);
193     }
194 
isRestrictionValid(Context context, String restriction)195     public static boolean isRestrictionValid(Context context, String restriction) {
196         final PackageManager pm = context.getPackageManager();
197         switch (restriction) {
198             case UserManager.DISALLOW_ADD_USER:
199             case UserManager.DISALLOW_REMOVE_USER:
200                 return UserManager.supportsMultipleUsers();
201             case UserManager.DISALLOW_ADJUST_VOLUME:
202                 return pm.hasSystemFeature(PackageManager.FEATURE_AUDIO_OUTPUT);
203             case UserManager.DISALLOW_CONFIG_CELL_BROADCASTS:
204                 // Get com.android.internal.R.bool.config_cellBroadcastAppLinks
205                 final int resId = context.getResources().getIdentifier(
206                         "config_cellBroadcastAppLinks", "bool", "android");
207                 boolean isCellBroadcastAppLinkEnabled = context.getResources().getBoolean(resId);
208                 try {
209                     if (isCellBroadcastAppLinkEnabled) {
210                         if (pm.getApplicationEnabledSetting("com.android.cellbroadcastreceiver")
211                                 == PackageManager.COMPONENT_ENABLED_STATE_DISABLED) {
212                             isCellBroadcastAppLinkEnabled = false;  // CMAS app disabled
213                         }
214                     }
215                 } catch (IllegalArgumentException ignored) {
216                     isCellBroadcastAppLinkEnabled = false;  // CMAS app not installed
217                 }
218                 return isCellBroadcastAppLinkEnabled;
219             case UserManager.DISALLOW_FUN:
220                 // Easter egg is not available on watch
221                 return !pm.hasSystemFeature(PackageManager.FEATURE_WATCH);
222             case UserManager.DISALLOW_CONFIG_MOBILE_NETWORKS:
223                 return pm.hasSystemFeature(PackageManager.FEATURE_TELEPHONY);
224             case UserManager.DISALLOW_CONFIG_WIFI:
225                 return pm.hasSystemFeature(PackageManager.FEATURE_WIFI);
226             case UserManager.DISALLOW_OUTGOING_BEAM:
227                 return pm.hasSystemFeature(PackageManager.FEATURE_NFC);
228             case UserManager.DISALLOW_SHARE_LOCATION:
229                 return pm.hasSystemFeature(PackageManager.FEATURE_LOCATION);
230             case UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES:
231                 return !pm.hasSystemFeature(PackageManager.FEATURE_WATCH);
232             case UserManager.DISALLOW_CONFIG_CREDENTIALS:
233                 return !pm.hasSystemFeature(PackageManager.FEATURE_WATCH);
234             default:
235                 return true;
236         }
237     }
238 
239     private static class UserRestrictionItem {
240         final int label;
241         final int userAction;
242         final String intentAction;
UserRestrictionItem(int label, int userAction, String intentAction)243         public UserRestrictionItem(int label, int userAction, String intentAction) {
244             this.label = label;
245             this.userAction = userAction;
246             this.intentAction = intentAction;
247         }
248     }
249 }