1/* 2 * Copyright (C) 2018 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 17package com.android.server.connectivity; 18 19import static android.Manifest.permission.CHANGE_NETWORK_STATE; 20import static android.Manifest.permission.CHANGE_WIFI_STATE; 21import static android.Manifest.permission.CONNECTIVITY_INTERNAL; 22import static android.Manifest.permission.CONNECTIVITY_USE_RESTRICTED_NETWORKS; 23import static android.Manifest.permission.NETWORK_STACK; 24import static android.content.pm.ApplicationInfo.FLAG_SYSTEM; 25import static android.content.pm.PackageManager.GET_PERMISSIONS; 26 27import static org.junit.Assert.assertFalse; 28import static org.junit.Assert.assertTrue; 29import static org.mockito.Mockito.anyInt; 30import static org.mockito.Mockito.eq; 31import static org.mockito.Mockito.when; 32 33import android.content.Context; 34import android.content.pm.ApplicationInfo; 35import android.content.pm.PackageInfo; 36import android.content.pm.PackageManager; 37import android.support.test.filters.SmallTest; 38import android.support.test.runner.AndroidJUnit4; 39 40import org.junit.Before; 41import org.junit.Test; 42import org.junit.runner.RunWith; 43import org.mockito.Mock; 44import org.mockito.MockitoAnnotations; 45 46@RunWith(AndroidJUnit4.class) 47@SmallTest 48public class PermissionMonitorTest { 49 private static final int MOCK_UID = 10001; 50 private static final String[] MOCK_PACKAGE_NAMES = new String[] { "com.foo.bar" }; 51 52 @Mock private Context mContext; 53 @Mock private PackageManager mPackageManager; 54 55 private PermissionMonitor mPermissionMonitor; 56 57 @Before 58 public void setUp() throws Exception { 59 MockitoAnnotations.initMocks(this); 60 when(mContext.getPackageManager()).thenReturn(mPackageManager); 61 when(mPackageManager.getPackagesForUid(MOCK_UID)).thenReturn(MOCK_PACKAGE_NAMES); 62 mPermissionMonitor = new PermissionMonitor(mContext, null); 63 } 64 65 private void expectPermission(String[] permissions, boolean preinstalled) throws Exception { 66 final PackageInfo packageInfo = packageInfoWithPermissions(permissions, preinstalled); 67 when(mPackageManager.getPackageInfoAsUser( 68 eq(MOCK_PACKAGE_NAMES[0]), eq(GET_PERMISSIONS), anyInt())).thenReturn(packageInfo); 69 } 70 71 private PackageInfo packageInfoWithPermissions(String[] permissions, boolean preinstalled) { 72 final PackageInfo packageInfo = new PackageInfo(); 73 packageInfo.requestedPermissions = permissions; 74 packageInfo.applicationInfo = new ApplicationInfo(); 75 packageInfo.applicationInfo.flags = preinstalled ? FLAG_SYSTEM : 0; 76 return packageInfo; 77 } 78 79 @Test 80 public void testHasPermission() { 81 PackageInfo app = packageInfoWithPermissions(new String[] {}, false); 82 assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); 83 assertFalse(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); 84 assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); 85 assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); 86 87 app = packageInfoWithPermissions(new String[] { 88 CHANGE_NETWORK_STATE, NETWORK_STACK 89 }, false); 90 assertTrue(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); 91 assertTrue(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); 92 assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); 93 assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); 94 95 app = packageInfoWithPermissions(new String[] { 96 CONNECTIVITY_USE_RESTRICTED_NETWORKS, CONNECTIVITY_INTERNAL 97 }, false); 98 assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); 99 assertFalse(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); 100 assertTrue(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); 101 assertTrue(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); 102 } 103 104 @Test 105 public void testIsPreinstalledSystemApp() { 106 PackageInfo app = packageInfoWithPermissions(new String[] {}, false); 107 assertFalse(mPermissionMonitor.isPreinstalledSystemApp(app)); 108 109 app = packageInfoWithPermissions(new String[] {}, true); 110 assertTrue(mPermissionMonitor.isPreinstalledSystemApp(app)); 111 } 112 113 @Test 114 public void testHasUseBackgroundNetworksPermission() throws Exception { 115 expectPermission(new String[] { CHANGE_NETWORK_STATE }, false); 116 assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID)); 117 118 expectPermission(new String[] { NETWORK_STACK, CONNECTIVITY_INTERNAL }, false); 119 assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID)); 120 121 // TODO : make this false when b/31479477 is fixed 122 expectPermission(new String[] {}, true); 123 assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID)); 124 expectPermission(new String[] { CHANGE_WIFI_STATE }, true); 125 assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID)); 126 127 expectPermission(new String[] { NETWORK_STACK, CONNECTIVITY_INTERNAL }, true); 128 assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID)); 129 130 expectPermission(new String[] {}, false); 131 assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID)); 132 133 expectPermission(new String[] { CHANGE_WIFI_STATE }, false); 134 assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID)); 135 } 136} 137