Dmitry Dementyev | 89f12d5 | 2019-02-28 12:26:01 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 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.locksettings.recoverablekeystore.storage; |
| 18 | |
| 19 | import static org.mockito.ArgumentMatchers.eq; |
| 20 | import static org.mockito.Mockito.times; |
| 21 | import static org.mockito.Mockito.verify; |
| 22 | import static org.mockito.Mockito.when; |
| 23 | |
| 24 | import android.content.Context; |
| 25 | import android.os.UserHandle; |
| 26 | import android.os.UserManager; |
| 27 | |
| 28 | import androidx.test.InstrumentationRegistry; |
| 29 | import androidx.test.filters.SmallTest; |
| 30 | import androidx.test.runner.AndroidJUnit4; |
| 31 | |
| 32 | import org.junit.Before; |
| 33 | import org.junit.Test; |
| 34 | import org.junit.runner.RunWith; |
| 35 | import org.mockito.Mock; |
| 36 | import org.mockito.MockitoAnnotations; |
| 37 | |
| 38 | import java.util.ArrayList; |
| 39 | import java.util.HashMap; |
| 40 | import java.util.List; |
| 41 | import java.util.Map; |
| 42 | |
| 43 | @SmallTest |
| 44 | @RunWith(AndroidJUnit4.class) |
| 45 | public class CleanupManagerTest { |
| 46 | private static final int USER_ID = 10; |
| 47 | private static final int USER_ID_2 = 20; |
| 48 | private static final int UID = 1234; |
| 49 | private static final long USER_SERIAL_NUMBER = 101L; |
| 50 | private static final long USER_SERIAL_NUMBER_2 = 202L; |
| 51 | |
| 52 | private Context mContext; |
| 53 | private CleanupManager mManager; |
| 54 | |
| 55 | @Mock private RecoverableKeyStoreDb mDatabase; |
| 56 | @Mock private RecoverySnapshotStorage mRecoverySnapshotStorage; |
| 57 | @Mock private UserManager mUserManager; |
| 58 | @Mock private ApplicationKeyStorage mApplicationKeyStorage; |
| 59 | |
| 60 | @Before |
| 61 | public void setUp() throws Exception { |
| 62 | MockitoAnnotations.initMocks(this); |
| 63 | mContext = InstrumentationRegistry.getTargetContext(); |
| 64 | mManager = new CleanupManager(mContext, mRecoverySnapshotStorage, mDatabase, mUserManager, |
| 65 | mApplicationKeyStorage); |
| 66 | } |
| 67 | |
| 68 | @Test |
| 69 | public void registerRecoveryAgent_unknownUser_storesInDb() throws Exception { |
| 70 | when(mDatabase.getUserSerialNumbers()).thenReturn(new HashMap<>()); |
| 71 | when(mUserManager.getSerialNumberForUser(eq(UserHandle.of(USER_ID)))) |
| 72 | .thenReturn(USER_SERIAL_NUMBER); |
| 73 | when(mUserManager.getSerialNumberForUser(eq(UserHandle.of(USER_ID_2)))) |
| 74 | .thenReturn(USER_SERIAL_NUMBER_2); |
| 75 | |
| 76 | mManager.registerRecoveryAgent(USER_ID, UID); |
| 77 | mManager.registerRecoveryAgent(USER_ID_2, UID); |
| 78 | |
| 79 | verify(mDatabase).setUserSerialNumber(USER_ID, USER_SERIAL_NUMBER); |
| 80 | verify(mDatabase).setUserSerialNumber(USER_ID_2, USER_SERIAL_NUMBER_2); |
| 81 | |
| 82 | } |
| 83 | |
| 84 | @Test |
| 85 | public void registerRecoveryAgent_registersSameUser_doesntChangeDb() throws Exception { |
| 86 | when(mDatabase.getUserSerialNumbers()).thenReturn(new HashMap<>()); |
| 87 | when(mUserManager.getSerialNumberForUser(eq(UserHandle.of(USER_ID)))) |
| 88 | .thenReturn(USER_SERIAL_NUMBER); |
| 89 | |
| 90 | mManager.registerRecoveryAgent(USER_ID, UID); |
| 91 | mManager.registerRecoveryAgent(USER_ID, UID); // ignored. |
| 92 | |
| 93 | verify(mDatabase, times(1)).setUserSerialNumber(USER_ID, USER_SERIAL_NUMBER); |
| 94 | } |
| 95 | |
| 96 | @Test |
| 97 | public void verifyKnownUsers_newSerialNumber_deletesData() throws Exception { |
| 98 | Map knownSerialNumbers = new HashMap<>(); |
| 99 | knownSerialNumbers.put(USER_ID, USER_SERIAL_NUMBER); |
| 100 | when(mDatabase.getUserSerialNumbers()).thenReturn(knownSerialNumbers); |
| 101 | List<Integer> recoveryAgents = new ArrayList<>(); |
| 102 | recoveryAgents.add(UID); |
| 103 | when(mDatabase.getRecoveryAgents(USER_ID)).thenReturn(recoveryAgents); |
| 104 | |
| 105 | when(mUserManager.getSerialNumberForUser(eq(UserHandle.of(USER_ID)))) |
| 106 | .thenReturn(USER_SERIAL_NUMBER_2); // new value |
| 107 | |
| 108 | |
| 109 | mManager.verifyKnownUsers(); |
| 110 | |
| 111 | verify(mDatabase).removeUserFromAllTables(USER_ID); |
| 112 | verify(mDatabase).setUserSerialNumber(USER_ID, USER_SERIAL_NUMBER_2); |
| 113 | verify(mRecoverySnapshotStorage).remove(UID); |
| 114 | } |
| 115 | } |
| 116 | |