Jeff Davidson | 1efb133 | 2015-12-09 18:04:50 -0800 | [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 | |
| 17 | package com.android.server.net; |
| 18 | |
| 19 | import static org.mockito.Mockito.when; |
| 20 | |
| 21 | import android.Manifest; |
| 22 | import android.Manifest.permission; |
| 23 | import android.app.AppOpsManager; |
| 24 | import android.app.admin.DeviceAdminInfo; |
| 25 | import android.app.admin.DevicePolicyManagerInternal; |
| 26 | import android.content.Context; |
| 27 | import android.content.pm.PackageManager; |
| 28 | import android.telephony.TelephonyManager; |
| 29 | |
| 30 | import com.android.server.LocalServices; |
| 31 | |
| 32 | import junit.framework.TestCase; |
| 33 | |
| 34 | import org.mockito.Mock; |
| 35 | import org.mockito.MockitoAnnotations; |
| 36 | |
| 37 | public class NetworkStatsAccessTest extends TestCase { |
| 38 | private static final String TEST_PKG = "com.example.test"; |
| 39 | private static final int TEST_UID = 12345; |
| 40 | |
| 41 | @Mock private Context mContext; |
| 42 | @Mock private DevicePolicyManagerInternal mDpmi; |
| 43 | @Mock private TelephonyManager mTm; |
| 44 | @Mock private AppOpsManager mAppOps; |
| 45 | |
| 46 | // Hold the real service so we can restore it when tearing down the test. |
| 47 | private DevicePolicyManagerInternal mSystemDpmi; |
| 48 | |
| 49 | @Override |
| 50 | public void setUp() throws Exception { |
| 51 | super.setUp(); |
| 52 | MockitoAnnotations.initMocks(this); |
| 53 | |
| 54 | mSystemDpmi = LocalServices.getService(DevicePolicyManagerInternal.class); |
| 55 | LocalServices.removeServiceForTest(DevicePolicyManagerInternal.class); |
| 56 | LocalServices.addService(DevicePolicyManagerInternal.class, mDpmi); |
| 57 | |
| 58 | when(mContext.getSystemService(Context.TELEPHONY_SERVICE)).thenReturn(mTm); |
| 59 | when(mContext.getSystemService(Context.APP_OPS_SERVICE)).thenReturn(mAppOps); |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public void tearDown() throws Exception { |
| 64 | LocalServices.removeServiceForTest(DevicePolicyManagerInternal.class); |
| 65 | LocalServices.addService(DevicePolicyManagerInternal.class, mSystemDpmi); |
| 66 | super.tearDown(); |
| 67 | } |
| 68 | |
| 69 | public void testCheckAccessLevel_hasCarrierPrivileges() throws Exception { |
| 70 | setHasCarrierPrivileges(true); |
| 71 | setIsDeviceOwner(false); |
| 72 | setIsProfileOwner(false); |
| 73 | setHasAppOpsPermission(AppOpsManager.MODE_DEFAULT, false); |
| 74 | setHasReadHistoryPermission(false); |
| 75 | assertEquals(NetworkStatsAccess.Level.DEVICE, |
| 76 | NetworkStatsAccess.checkAccessLevel(mContext, TEST_UID, TEST_PKG)); |
| 77 | } |
| 78 | |
| 79 | public void testCheckAccessLevel_isDeviceOwner() throws Exception { |
| 80 | setHasCarrierPrivileges(false); |
| 81 | setIsDeviceOwner(true); |
| 82 | setIsProfileOwner(false); |
| 83 | setHasAppOpsPermission(AppOpsManager.MODE_DEFAULT, false); |
| 84 | setHasReadHistoryPermission(false); |
| 85 | assertEquals(NetworkStatsAccess.Level.DEVICE, |
| 86 | NetworkStatsAccess.checkAccessLevel(mContext, TEST_UID, TEST_PKG)); |
| 87 | } |
| 88 | |
| 89 | public void testCheckAccessLevel_isProfileOwner() throws Exception { |
| 90 | setHasCarrierPrivileges(false); |
| 91 | setIsDeviceOwner(false); |
| 92 | setIsProfileOwner(true); |
| 93 | setHasAppOpsPermission(AppOpsManager.MODE_DEFAULT, false); |
| 94 | setHasReadHistoryPermission(false); |
| 95 | assertEquals(NetworkStatsAccess.Level.USER, |
| 96 | NetworkStatsAccess.checkAccessLevel(mContext, TEST_UID, TEST_PKG)); |
| 97 | } |
| 98 | |
| 99 | public void testCheckAccessLevel_hasAppOpsBitAllowed() throws Exception { |
| 100 | setHasCarrierPrivileges(false); |
| 101 | setIsDeviceOwner(false); |
| 102 | setIsProfileOwner(true); |
| 103 | setHasAppOpsPermission(AppOpsManager.MODE_ALLOWED, false); |
| 104 | setHasReadHistoryPermission(false); |
| 105 | assertEquals(NetworkStatsAccess.Level.USER, |
| 106 | NetworkStatsAccess.checkAccessLevel(mContext, TEST_UID, TEST_PKG)); |
| 107 | } |
| 108 | |
| 109 | public void testCheckAccessLevel_hasAppOpsBitDefault_grantedPermission() throws Exception { |
| 110 | setHasCarrierPrivileges(false); |
| 111 | setIsDeviceOwner(false); |
| 112 | setIsProfileOwner(true); |
| 113 | setHasAppOpsPermission(AppOpsManager.MODE_DEFAULT, true); |
| 114 | setHasReadHistoryPermission(false); |
| 115 | assertEquals(NetworkStatsAccess.Level.USER, |
| 116 | NetworkStatsAccess.checkAccessLevel(mContext, TEST_UID, TEST_PKG)); |
| 117 | } |
| 118 | |
| 119 | public void testCheckAccessLevel_hasReadHistoryPermission() throws Exception { |
| 120 | setHasCarrierPrivileges(false); |
| 121 | setIsDeviceOwner(false); |
| 122 | setIsProfileOwner(true); |
| 123 | setHasAppOpsPermission(AppOpsManager.MODE_DEFAULT, false); |
| 124 | setHasReadHistoryPermission(true); |
| 125 | assertEquals(NetworkStatsAccess.Level.USER, |
| 126 | NetworkStatsAccess.checkAccessLevel(mContext, TEST_UID, TEST_PKG)); |
| 127 | } |
| 128 | |
| 129 | public void testCheckAccessLevel_deniedAppOpsBit() throws Exception { |
| 130 | setHasCarrierPrivileges(false); |
| 131 | setIsDeviceOwner(false); |
| 132 | setIsProfileOwner(false); |
| 133 | setHasAppOpsPermission(AppOpsManager.MODE_ERRORED, true); |
| 134 | setHasReadHistoryPermission(false); |
| 135 | assertEquals(NetworkStatsAccess.Level.DEFAULT, |
| 136 | NetworkStatsAccess.checkAccessLevel(mContext, TEST_UID, TEST_PKG)); |
| 137 | } |
| 138 | |
| 139 | public void testCheckAccessLevel_deniedAppOpsBit_deniedPermission() throws Exception { |
| 140 | setHasCarrierPrivileges(false); |
| 141 | setIsDeviceOwner(false); |
| 142 | setIsProfileOwner(false); |
| 143 | setHasAppOpsPermission(AppOpsManager.MODE_DEFAULT, false); |
| 144 | setHasReadHistoryPermission(false); |
| 145 | assertEquals(NetworkStatsAccess.Level.DEFAULT, |
| 146 | NetworkStatsAccess.checkAccessLevel(mContext, TEST_UID, TEST_PKG)); |
| 147 | } |
| 148 | |
| 149 | private void setHasCarrierPrivileges(boolean hasPrivileges) { |
| 150 | when(mTm.checkCarrierPrivilegesForPackage(TEST_PKG)).thenReturn( |
| 151 | hasPrivileges ? TelephonyManager.CARRIER_PRIVILEGE_STATUS_HAS_ACCESS |
| 152 | : TelephonyManager.CARRIER_PRIVILEGE_STATUS_NO_ACCESS); |
| 153 | } |
| 154 | |
| 155 | private void setIsDeviceOwner(boolean isOwner) { |
| 156 | when(mDpmi.isActiveAdminWithPolicy(TEST_UID, DeviceAdminInfo.USES_POLICY_DEVICE_OWNER)) |
| 157 | .thenReturn(isOwner); |
| 158 | } |
| 159 | |
| 160 | private void setIsProfileOwner(boolean isOwner) { |
| 161 | when(mDpmi.isActiveAdminWithPolicy(TEST_UID, DeviceAdminInfo.USES_POLICY_PROFILE_OWNER)) |
| 162 | .thenReturn(isOwner); |
| 163 | } |
| 164 | |
| 165 | private void setHasAppOpsPermission(int appOpsMode, boolean hasPermission) { |
| 166 | when(mAppOps.checkOp(AppOpsManager.OP_GET_USAGE_STATS, TEST_UID, TEST_PKG)) |
| 167 | .thenReturn(appOpsMode); |
| 168 | when(mContext.checkCallingPermission(Manifest.permission.PACKAGE_USAGE_STATS)).thenReturn( |
| 169 | hasPermission ? PackageManager.PERMISSION_GRANTED |
| 170 | : PackageManager.PERMISSION_DENIED); |
| 171 | } |
| 172 | |
| 173 | private void setHasReadHistoryPermission(boolean hasPermission) { |
| 174 | when(mContext.checkCallingOrSelfPermission(permission.READ_NETWORK_USAGE_HISTORY)) |
| 175 | .thenReturn(hasPermission ? PackageManager.PERMISSION_GRANTED |
| 176 | : PackageManager.PERMISSION_DENIED); |
| 177 | } |
| 178 | } |