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 17 package com.android.server.telecom; 18 19 import android.app.admin.DevicePolicyManager; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.UserInfo; 23 import android.net.Uri; 24 import android.os.UserHandle; 25 import android.os.UserManager; 26 import android.telecom.Log; 27 28 import com.android.server.telecom.components.ErrorDialogActivity; 29 30 public final class UserUtil { 31 UserUtil()32 private UserUtil() { 33 } 34 getUserInfoFromUserHandle(Context context, UserHandle userHandle)35 private static UserInfo getUserInfoFromUserHandle(Context context, UserHandle userHandle) { 36 UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE); 37 return userManager.getUserInfo(userHandle.getIdentifier()); 38 } 39 isManagedProfile(Context context, UserHandle userHandle)40 public static boolean isManagedProfile(Context context, UserHandle userHandle) { 41 UserInfo userInfo = getUserInfoFromUserHandle(context, userHandle); 42 return userInfo != null && userInfo.isManagedProfile(); 43 } 44 isProfile(Context context, UserHandle userHandle)45 public static boolean isProfile(Context context, UserHandle userHandle) { 46 UserInfo userInfo = getUserInfoFromUserHandle(context, userHandle); 47 return userInfo != null && userInfo.profileGroupId != userInfo.id; 48 } 49 showErrorDialogForRestrictedOutgoingCall(Context context, int stringId, String tag, String reason)50 public static void showErrorDialogForRestrictedOutgoingCall(Context context, 51 int stringId, String tag, String reason) { 52 final Intent intent = new Intent(context, ErrorDialogActivity.class); 53 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 54 intent.putExtra(ErrorDialogActivity.ERROR_MESSAGE_ID_EXTRA, stringId); 55 context.startActivityAsUser(intent, UserHandle.CURRENT); 56 Log.w(tag, "Rejecting non-emergency phone call because " 57 + reason); 58 } 59 hasOutgoingCallsUserRestriction(Context context, UserHandle userHandle, Uri handle, boolean isSelfManaged, String tag)60 public static boolean hasOutgoingCallsUserRestriction(Context context, 61 UserHandle userHandle, Uri handle, boolean isSelfManaged, String tag) { 62 // Set handle for conference calls. Refer to {@link Connection#ADHOC_CONFERENCE_ADDRESS}. 63 if (handle == null) { 64 handle = Uri.parse("tel:conf-factory"); 65 } 66 67 if(!isSelfManaged) { 68 // Check DISALLOW_OUTGOING_CALLS restriction. Note: We are skipping this 69 // check in a managed profile user because this check can always be bypassed 70 // by copying and pasting the phone number into the personal dialer. 71 if (!UserUtil.isManagedProfile(context, userHandle)) { 72 // Only emergency calls are allowed for users with the DISALLOW_OUTGOING_CALLS 73 // restriction. 74 if (!TelephonyUtil.shouldProcessAsEmergency(context, handle)) { 75 final UserManager userManager = 76 (UserManager) context.getSystemService(Context.USER_SERVICE); 77 if (userManager.hasBaseUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS, 78 userHandle)) { 79 String reason = "of DISALLOW_OUTGOING_CALLS restriction"; 80 showErrorDialogForRestrictedOutgoingCall(context, 81 R.string.outgoing_call_not_allowed_user_restriction, tag, reason); 82 return true; 83 } else if (userManager.hasUserRestriction(UserManager.DISALLOW_OUTGOING_CALLS, 84 userHandle)) { 85 final DevicePolicyManager dpm = 86 context.getSystemService(DevicePolicyManager.class); 87 if (dpm == null) { 88 return true; 89 } 90 final Intent adminSupportIntent = dpm.createAdminSupportIntent( 91 UserManager.DISALLOW_OUTGOING_CALLS); 92 if (adminSupportIntent != null) { 93 context.startActivityAsUser(adminSupportIntent, userHandle); 94 } 95 return true; 96 } 97 } 98 } 99 } 100 return false; 101 } 102 } 103