| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.backup.encryption.transport; |
| |
| import static junit.framework.Assert.assertEquals; |
| |
| import static org.mockito.ArgumentMatchers.any; |
| import static org.mockito.ArgumentMatchers.anyString; |
| import static org.mockito.ArgumentMatchers.eq; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.verifyNoMoreInteractions; |
| import static org.mockito.Mockito.verifyZeroInteractions; |
| import static org.mockito.Mockito.when; |
| |
| import android.app.backup.BackupTransport; |
| import android.content.Context; |
| import android.content.pm.PackageInfo; |
| import android.os.ParcelFileDescriptor; |
| import android.platform.test.annotations.Presubmit; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.internal.backup.IBackupTransport; |
| import com.android.server.backup.encryption.KeyValueEncrypter; |
| import com.android.server.backup.transport.TransportClient; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| import org.junit.runner.RunWith; |
| import org.mockito.Mock; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.io.File; |
| |
| @Presubmit |
| @RunWith(AndroidJUnit4.class) |
| public class IntermediateEncryptingTransportTest { |
| private static final String TEST_PACKAGE_NAME = "test_package"; |
| |
| private IntermediateEncryptingTransport mIntermediateEncryptingTransport; |
| private final PackageInfo mTestPackage = new PackageInfo(); |
| |
| @Mock private IBackupTransport mRealTransport; |
| @Mock private TransportClient mTransportClient; |
| @Mock private ParcelFileDescriptor mParcelFileDescriptor; |
| @Mock private KeyValueEncrypter mKeyValueEncrypter; |
| @Mock private Context mContext; |
| |
| @Rule public TemporaryFolder mTemporaryFolder = new TemporaryFolder(); |
| |
| private File mTempFile; |
| |
| @Before |
| public void setUp() throws Exception { |
| MockitoAnnotations.initMocks(this); |
| |
| mIntermediateEncryptingTransport = |
| new IntermediateEncryptingTransport( |
| mTransportClient, mContext, mKeyValueEncrypter, true); |
| mTestPackage.packageName = TEST_PACKAGE_NAME; |
| mTempFile = mTemporaryFolder.newFile(); |
| |
| when(mTransportClient.connect(anyString())).thenReturn(mRealTransport); |
| when(mRealTransport.getRestoreData(any())).thenReturn(BackupTransport.TRANSPORT_OK); |
| } |
| |
| @Test |
| public void testGetDelegate_callsConnect() throws Exception { |
| IBackupTransport ret = mIntermediateEncryptingTransport.getDelegate(); |
| |
| assertEquals(mRealTransport, ret); |
| verify(mTransportClient, times(1)).connect(anyString()); |
| verifyNoMoreInteractions(mTransportClient); |
| } |
| |
| @Test |
| public void testGetDelegate_callTwice_callsConnectOnce() throws Exception { |
| when(mTransportClient.connect(anyString())).thenReturn(mRealTransport); |
| |
| IBackupTransport ret1 = mIntermediateEncryptingTransport.getDelegate(); |
| IBackupTransport ret2 = mIntermediateEncryptingTransport.getDelegate(); |
| |
| assertEquals(mRealTransport, ret1); |
| assertEquals(mRealTransport, ret2); |
| verify(mTransportClient, times(1)).connect(anyString()); |
| verifyNoMoreInteractions(mTransportClient); |
| } |
| |
| @Test |
| public void testPerformBackup_shouldEncryptTrue_encryptsDataAndPassesToDelegate() |
| throws Exception { |
| mIntermediateEncryptingTransport = |
| new TestIntermediateTransport(mTransportClient, mContext, mKeyValueEncrypter, true); |
| |
| mIntermediateEncryptingTransport.performBackup(mTestPackage, mParcelFileDescriptor, 0); |
| |
| verify(mKeyValueEncrypter, times(1)) |
| .encryptKeyValueData(eq(TEST_PACKAGE_NAME), eq(mParcelFileDescriptor), any()); |
| verify(mRealTransport, times(1)).performBackup(eq(mTestPackage), any(), eq(0)); |
| } |
| |
| @Test |
| public void testPerformBackup_shouldEncryptFalse_doesntEncryptDataAndPassedToDelegate() |
| throws Exception { |
| mIntermediateEncryptingTransport = |
| new TestIntermediateTransport( |
| mTransportClient, mContext, mKeyValueEncrypter, false); |
| |
| mIntermediateEncryptingTransport.performBackup(mTestPackage, mParcelFileDescriptor, 0); |
| |
| verifyZeroInteractions(mKeyValueEncrypter); |
| verify(mRealTransport, times(1)) |
| .performBackup(eq(mTestPackage), eq(mParcelFileDescriptor), eq(0)); |
| } |
| |
| @Test |
| public void testGetRestoreData_shouldEncryptTrue_decryptsDataAndPassesToDelegate() |
| throws Exception { |
| mIntermediateEncryptingTransport = |
| new TestIntermediateTransport(mTransportClient, mContext, mKeyValueEncrypter, true); |
| mIntermediateEncryptingTransport.setNextRestorePackage(TEST_PACKAGE_NAME); |
| |
| mIntermediateEncryptingTransport.getRestoreData(mParcelFileDescriptor); |
| |
| verify(mKeyValueEncrypter, times(1)) |
| .decryptKeyValueData(eq(TEST_PACKAGE_NAME), any(), eq(mParcelFileDescriptor)); |
| verify(mRealTransport, times(1)).getRestoreData(any()); |
| } |
| |
| @Test |
| public void testGetRestoreData_shouldEncryptFalse_doesntDecryptDataAndPassesToDelegate() |
| throws Exception { |
| mIntermediateEncryptingTransport = |
| new TestIntermediateTransport( |
| mTransportClient, mContext, mKeyValueEncrypter, false); |
| mIntermediateEncryptingTransport.setNextRestorePackage(TEST_PACKAGE_NAME); |
| |
| mIntermediateEncryptingTransport.getRestoreData(mParcelFileDescriptor); |
| |
| verifyZeroInteractions(mKeyValueEncrypter); |
| verify(mRealTransport, times(1)).getRestoreData(eq(mParcelFileDescriptor)); |
| } |
| |
| private final class TestIntermediateTransport extends IntermediateEncryptingTransport { |
| TestIntermediateTransport( |
| TransportClient transportClient, |
| Context context, |
| KeyValueEncrypter keyValueEncrypter, |
| boolean shouldEncrypt) { |
| super(transportClient, context, keyValueEncrypter, shouldEncrypt); |
| } |
| |
| @Override |
| protected File getBackupTempStorage(String packageName) { |
| return mTempFile; |
| } |
| |
| @Override |
| protected File getRestoreTempStorage(String packageName) { |
| return mTempFile; |
| } |
| } |
| } |