1 /* 2 * Copyright (C) 2014 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.providers.contacts.util; 17 18 import com.android.providers.contacts.ContactsProvider2; 19 20 import android.app.admin.DevicePolicyManager; 21 import android.content.Context; 22 import android.content.pm.UserInfo; 23 import android.os.UserHandle; 24 import android.os.UserManager; 25 import android.util.Log; 26 27 public final class UserUtils { 28 public static final String TAG = ContactsProvider2.TAG; 29 30 public static final boolean VERBOSE_LOGGING = Log.isLoggable(TAG, Log.VERBOSE); 31 32 private UserUtils() { 33 } 34 35 public static UserManager getUserManager(Context context) { 36 return (UserManager) context.getSystemService(Context.USER_SERVICE); 37 } 38 39 private static DevicePolicyManager getDevicePolicyManager(Context context) { 40 return (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE); 41 } 42 43 public static int getCurrentUserHandle(Context context) { 44 return getUserManager(context).getUserHandle(); 45 } 46 47 /** 48 * @return the user ID of the corp user that is linked to the current user, if any. 49 * If there's no such user or cross-user contacts access is disallowed by policy, returns -1. 50 */ 51 public static int getCorpUserId(Context context) { 52 final UserManager um = getUserManager(context); 53 if (um == null) { 54 Log.e(TAG, "No user manager service found"); 55 return -1; 56 } 57 58 final int myUser = um.getUserHandle(); 59 60 if (VERBOSE_LOGGING) { 61 Log.v(TAG, "getCorpUserId: myUser=" + myUser); 62 } 63 64 // Check each user. 65 for (UserInfo ui : um.getUsers()) { 66 if (!ui.isManagedProfile()) { 67 continue; // Not a managed user. 68 } 69 final UserInfo parent = um.getProfileParent(ui.id); 70 if (parent == null) { 71 continue; // No parent. 72 } 73 // Check if it's linked to the current user. 74 if (parent.id == myUser) { 75 // Check if profile is blocking calling id. 76 // TODO DevicePolicyManager is not mockable -- the constructor is private. 77 // Test it somehow. 78 if (getDevicePolicyManager(context) 79 .getCrossProfileCallerIdDisabled(ui.getUserHandle())) { 80 if (VERBOSE_LOGGING) { 81 Log.v(TAG, "Enterprise caller-id disabled for user " + ui.id); 82 } 83 return -1; 84 } else { 85 if (VERBOSE_LOGGING) { 86 Log.v(TAG, "Corp user=" + ui.id); 87 } 88 return ui.id; 89 } 90 } 91 } 92 if (VERBOSE_LOGGING) { 93 Log.v(TAG, "Corp user not found."); 94 } 95 return -1; 96 } 97 } 98
