Merge "Partially delete unused EITF code"

This commit is contained in:
Ruslan Tkhakokhov
2021-11-25 17:48:54 +00:00
committed by Android (Google) Code Review
9 changed files with 2 additions and 1529 deletions

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@@ -1,63 +0,0 @@
/*
* 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;
import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.util.Log;
import com.android.internal.backup.IBackupTransport;
import com.android.server.backup.encryption.transport.IntermediateEncryptingTransport;
import com.android.server.backup.encryption.transport.IntermediateEncryptingTransportManager;
/**
* This service provides encryption of backup data. For an intent used to bind to this service, it
* provides an {@link IntermediateEncryptingTransport} which is an implementation of {@link
* IBackupTransport} that encrypts (or decrypts) the data when sending it (or receiving it) from the
* real {@link IBackupTransport}.
*/
public class BackupEncryptionService extends Service {
public static final String TAG = "BackupEncryption";
private static IntermediateEncryptingTransportManager sTransportManager = null;
@Override
public void onCreate() {
Log.i(TAG, "onCreate:" + this);
if (sTransportManager == null) {
Log.i(TAG, "Creating IntermediateEncryptingTransportManager");
sTransportManager = new IntermediateEncryptingTransportManager(this);
}
}
@Override
public void onDestroy() {
Log.i(TAG, "onDestroy:" + this);
}
@Override
public IBinder onBind(Intent intent) {
// TODO (b141536117): Check connection with TransportClient.connect and return null on fail.
return sTransportManager.get(intent);
}
@Override
public boolean onUnbind(Intent intent) {
sTransportManager.cleanup(intent);
return false;
}
}

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@@ -16,8 +16,6 @@
package com.android.server.backup.encryption;
import static com.android.server.backup.encryption.BackupEncryptionService.TAG;
import android.content.Context;
import android.os.ParcelFileDescriptor;
import android.util.Log;
@@ -36,6 +34,8 @@ import java.security.SecureRandom;
import java.util.Map;
public class KeyValueEncrypter {
private static final String TAG = "KeyValueEncrypter";
private final Context mContext;
private final EncryptionKeyHelper mKeyHelper;

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@@ -1,211 +0,0 @@
/*
* 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 com.android.server.backup.encryption.BackupEncryptionService.TAG;
import android.app.backup.BackupTransport;
import android.app.backup.RestoreDescription;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
import android.util.Log;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.backup.IBackupTransport;
import com.android.server.backup.encryption.KeyValueEncrypter;
import com.android.server.backup.transport.DelegatingTransport;
import com.android.server.backup.transport.TransportClient;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.concurrent.atomic.AtomicReference;
/**
* This is an implementation of {@link IBackupTransport} that encrypts (or decrypts) the data when
* sending it (or receiving it) from the {@link IBackupTransport} returned by {@link
* TransportClient.connect(String)}.
*/
public class IntermediateEncryptingTransport extends DelegatingTransport {
private static final String BACKUP_TEMP_DIR = "backup";
private static final String RESTORE_TEMP_DIR = "restore";
private final TransportClient mTransportClient;
private final Object mConnectLock = new Object();
private final Context mContext;
private volatile IBackupTransport mRealTransport;
private AtomicReference<String> mNextRestorePackage = new AtomicReference<>();
private final KeyValueEncrypter mKeyValueEncrypter;
private final boolean mShouldEncrypt;
IntermediateEncryptingTransport(
TransportClient transportClient, Context context, boolean shouldEncrypt) {
this(transportClient, context, new KeyValueEncrypter(context), shouldEncrypt);
}
@VisibleForTesting
IntermediateEncryptingTransport(
TransportClient transportClient, Context context, KeyValueEncrypter keyValueEncrypter,
boolean shouldEncrypt) {
mTransportClient = transportClient;
mContext = context;
mKeyValueEncrypter = keyValueEncrypter;
mShouldEncrypt = shouldEncrypt;
}
@Override
protected IBackupTransport getDelegate() throws RemoteException {
if (mRealTransport == null) {
connect();
}
Log.d(TAG, "real transport = " + mRealTransport.name());
return mRealTransport;
}
@Override
public int performBackup(PackageInfo packageInfo, ParcelFileDescriptor inFd, int flags)
throws RemoteException {
if (!mShouldEncrypt) {
return super.performBackup(packageInfo, inFd, flags);
}
File encryptedStorageFile = getBackupTempStorage(packageInfo.packageName);
if (encryptedStorageFile == null) {
return BackupTransport.TRANSPORT_ERROR;
}
// Encrypt the backup data and write it into a temp file.
try (OutputStream encryptedOutput = new FileOutputStream(encryptedStorageFile)) {
mKeyValueEncrypter.encryptKeyValueData(packageInfo.packageName, inFd,
encryptedOutput);
} catch (Throwable e) {
Log.e(TAG, "Failed to encrypt backup data: ", e);
return BackupTransport.TRANSPORT_ERROR;
}
// Pass the temp file to the real transport for backup.
try (FileInputStream encryptedInput = new FileInputStream(encryptedStorageFile)) {
return super.performBackup(
packageInfo, ParcelFileDescriptor.dup(encryptedInput.getFD()), flags);
} catch (IOException e) {
Log.e(TAG, "Failed to read encrypted data from temp storage: ", e);
return BackupTransport.TRANSPORT_ERROR;
}
}
@Override
public int getRestoreData(ParcelFileDescriptor outFd) throws RemoteException {
if (!mShouldEncrypt) {
return super.getRestoreData(outFd);
}
String nextRestorePackage = mNextRestorePackage.get();
if (nextRestorePackage == null) {
Log.e(TAG, "No next restore package set");
return BackupTransport.TRANSPORT_ERROR;
}
File encryptedStorageFile = getRestoreTempStorage(nextRestorePackage);
if (encryptedStorageFile == null) {
return BackupTransport.TRANSPORT_ERROR;
}
// Get encrypted restore data from the real transport and write it into a temp file.
try (FileOutputStream outputStream = new FileOutputStream(encryptedStorageFile)) {
int status = super.getRestoreData(ParcelFileDescriptor.dup(outputStream.getFD()));
if (status != BackupTransport.TRANSPORT_OK) {
Log.e(TAG, "Failed to read restore data from transport, status = " + status);
return status;
}
} catch (IOException e) {
Log.e(TAG, "Failed to write encrypted data to temp storage: ", e);
return BackupTransport.TRANSPORT_ERROR;
}
// Decrypt the data and write it into the fd given by the real transport.
try (InputStream inputStream = new FileInputStream(encryptedStorageFile)) {
mKeyValueEncrypter.decryptKeyValueData(nextRestorePackage, inputStream, outFd);
encryptedStorageFile.delete();
} catch (Exception e) {
Log.e(TAG, "Failed to decrypt restored data: ", e);
return BackupTransport.TRANSPORT_ERROR;
}
return BackupTransport.TRANSPORT_OK;
}
@Override
public RestoreDescription nextRestorePackage() throws RemoteException {
if (!mShouldEncrypt) {
return super.nextRestorePackage();
}
RestoreDescription restoreDescription = super.nextRestorePackage();
mNextRestorePackage.set(restoreDescription.getPackageName());
return restoreDescription;
}
@VisibleForTesting
protected File getBackupTempStorage(String packageName) {
return getTempStorage(packageName, BACKUP_TEMP_DIR);
}
@VisibleForTesting
protected File getRestoreTempStorage(String packageName) {
return getTempStorage(packageName, RESTORE_TEMP_DIR);
}
private File getTempStorage(String packageName, String operationType) {
File encryptedDir = new File(mContext.getFilesDir(), operationType);
encryptedDir.mkdir();
File encryptedFile = new File(encryptedDir, packageName);
try {
encryptedFile.createNewFile();
} catch (IOException e) {
Log.e(TAG, "Failed to create temp file for encrypted data: ", e);
}
return encryptedFile;
}
private void connect() throws RemoteException {
Log.i(TAG, "connecting " + mTransportClient);
synchronized (mConnectLock) {
if (mRealTransport == null) {
mRealTransport = mTransportClient.connect("IntermediateEncryptingTransport");
if (mRealTransport == null) {
throw new RemoteException("Could not connect: " + mTransportClient);
}
}
}
}
@VisibleForTesting
TransportClient getClient() {
return mTransportClient;
}
@VisibleForTesting
void setNextRestorePackage(String nextRestorePackage) {
mNextRestorePackage.set(nextRestorePackage);
}
}

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@@ -1,110 +0,0 @@
/*
* 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 com.android.server.backup.encryption.BackupEncryptionService.TAG;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.UserHandle;
import android.util.Log;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.backup.IBackupTransport;
import com.android.internal.widget.LockPatternUtils;
import com.android.server.backup.transport.TransportClientManager;
import com.android.server.backup.transport.TransportStats;
import java.util.HashMap;
import java.util.Map;
/** Handles creation and cleanup of {@link IntermediateEncryptingTransport} instances. */
public class IntermediateEncryptingTransportManager {
private static final String CALLER = "IntermediateEncryptingTransportManager";
private final TransportClientManager mTransportClientManager;
private final Object mTransportsLock = new Object();
private final Map<ComponentName, IntermediateEncryptingTransport> mTransports = new HashMap<>();
private Context mContext;
@VisibleForTesting
IntermediateEncryptingTransportManager(TransportClientManager transportClientManager) {
mTransportClientManager = transportClientManager;
}
public IntermediateEncryptingTransportManager(Context context) {
this(new TransportClientManager(UserHandle.myUserId(), context, new TransportStats()));
mContext = context;
}
/**
* Extract the {@link ComponentName} corresponding to the real {@link IBackupTransport}, and
* provide a {@link IntermediateEncryptingTransport} which is an implementation of {@link
* IBackupTransport} that encrypts (or decrypts) the data when sending it (or receiving it) from
* the real {@link IBackupTransport}.
*
* @param intent {@link Intent} created with a call to {@link
* TransportClientManager.getEncryptingTransportIntent(ComponentName)}.
* @return
*/
public IntermediateEncryptingTransport get(Intent intent) {
Intent transportIntent = TransportClientManager.getRealTransportIntent(intent);
Log.i(TAG, "get: intent:" + intent + " transportIntent:" + transportIntent);
synchronized (mTransportsLock) {
return mTransports.computeIfAbsent(
transportIntent.getComponent(), c -> create(transportIntent));
}
}
/** Create an instance of {@link IntermediateEncryptingTransport}. */
private IntermediateEncryptingTransport create(Intent realTransportIntent) {
Log.d(TAG, "create: intent:" + realTransportIntent);
LockPatternUtils patternUtils = new LockPatternUtils(mContext);
boolean shouldEncrypt =
realTransportIntent.getComponent().getClassName().contains("EncryptedLocalTransport")
&& (patternUtils.isLockPatternEnabled(UserHandle.myUserId())
|| patternUtils.isLockPasswordEnabled(UserHandle.myUserId()));
return new IntermediateEncryptingTransport(
mTransportClientManager.getTransportClient(
realTransportIntent.getComponent(),
realTransportIntent.getExtras(),
CALLER),
mContext,
shouldEncrypt);
}
/**
* Cleanup the {@link IntermediateEncryptingTransport} which was created by a call to {@link
* #get(Intent)} with this {@link Intent}.
*/
public void cleanup(Intent intent) {
Intent transportIntent = TransportClientManager.getRealTransportIntent(intent);
Log.i(TAG, "cleanup: intent:" + intent + " transportIntent:" + transportIntent);
IntermediateEncryptingTransport transport;
synchronized (mTransportsLock) {
transport = mTransports.remove(transportIntent.getComponent());
}
if (transport != null) {
mTransportClientManager.disposeOfTransportClient(transport.getClient(), CALLER);
} else {
Log.i(TAG, "Could not find IntermediateEncryptingTransport");
}
}
}

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@@ -1,120 +0,0 @@
/*
* 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 junit.framework.Assert.assertNotSame;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.argThat;
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.when;
import android.content.ComponentName;
import android.content.Intent;
import android.os.Bundle;
import android.platform.test.annotations.Presubmit;
import androidx.test.runner.AndroidJUnit4;
import com.android.server.backup.transport.TransportClient;
import com.android.server.backup.transport.TransportClientManager;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
@Presubmit
@RunWith(AndroidJUnit4.class)
public class IntermediateEncryptingTransportManagerTest {
@Mock private TransportClient mTransportClient;
@Mock private TransportClientManager mTransportClientManager;
private final ComponentName mTransportComponent = new ComponentName("pkg", "class");
private final Bundle mExtras = new Bundle();
private Intent mEncryptingTransportIntent;
private IntermediateEncryptingTransportManager mIntermediateEncryptingTransportManager;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mExtras.putInt("test", 1);
mEncryptingTransportIntent =
TransportClientManager.getEncryptingTransportIntent(mTransportComponent)
.putExtras(mExtras);
mIntermediateEncryptingTransportManager =
new IntermediateEncryptingTransportManager(mTransportClientManager);
}
@Test
public void testGet_createsClientWithRealTransportComponentAndExtras() {
when(mTransportClientManager.getTransportClient(any(), any(), any()))
.thenReturn(mTransportClient);
IntermediateEncryptingTransport intermediateEncryptingTransport =
mIntermediateEncryptingTransportManager.get(mEncryptingTransportIntent);
assertEquals(mTransportClient, intermediateEncryptingTransport.getClient());
verify(mTransportClientManager, times(1))
.getTransportClient(eq(mTransportComponent), argThat(mExtras::kindofEquals), any());
verifyNoMoreInteractions(mTransportClientManager);
}
@Test
public void testGet_callTwice_returnsSameTransport() {
IntermediateEncryptingTransport transport1 =
mIntermediateEncryptingTransportManager.get(mEncryptingTransportIntent);
IntermediateEncryptingTransport transport2 =
mIntermediateEncryptingTransportManager.get(mEncryptingTransportIntent);
assertEquals(transport1, transport2);
}
@Test
public void testCleanup_disposesTransportClient() {
when(mTransportClientManager.getTransportClient(any(), any(), any()))
.thenReturn(mTransportClient);
IntermediateEncryptingTransport transport =
mIntermediateEncryptingTransportManager.get(mEncryptingTransportIntent);
mIntermediateEncryptingTransportManager.cleanup(mEncryptingTransportIntent);
verify(mTransportClientManager, times(1)).getTransportClient(any(), any(), any());
verify(mTransportClientManager, times(1))
.disposeOfTransportClient(eq(mTransportClient), any());
verifyNoMoreInteractions(mTransportClientManager);
}
@Test
public void testCleanup_removesCachedTransport() {
when(mTransportClientManager.getTransportClient(any(), any(), any()))
.thenReturn(mTransportClient);
IntermediateEncryptingTransport transport1 =
mIntermediateEncryptingTransportManager.get(mEncryptingTransportIntent);
mIntermediateEncryptingTransportManager.cleanup(mEncryptingTransportIntent);
IntermediateEncryptingTransport transport2 =
mIntermediateEncryptingTransportManager.get(mEncryptingTransportIntent);
assertNotSame(transport1, transport2);
}
}

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@@ -1,180 +0,0 @@
/*
* 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;
}
}
}

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@@ -1,414 +0,0 @@
/*
* 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.transport;
import android.app.backup.BackupAgent;
import android.app.backup.BackupTransport;
import android.app.backup.RestoreDescription;
import android.app.backup.RestoreSet;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
import com.android.internal.backup.IBackupTransport;
/**
* Delegates all transport methods to the delegate() implemented in the derived class.
*/
public abstract class DelegatingTransport extends IBackupTransport.Stub {
protected abstract IBackupTransport getDelegate() throws RemoteException;
/**
* Ask the transport for the name under which it should be registered. This will
* typically be its host service's component name, but need not be.
*/
@Override
public String name() throws RemoteException {
return getDelegate().name();
}
/**
* Ask the transport for an Intent that can be used to launch any internal
* configuration Activity that it wishes to present. For example, the transport
* may offer a UI for allowing the user to supply login credentials for the
* transport's off-device backend.
*
* If the transport does not supply any user-facing configuration UI, it should
* return null from this method.
*
* @return An Intent that can be passed to Context.startActivity() in order to
* launch the transport's configuration UI. This method will return null
* if the transport does not offer any user-facing configuration UI.
*/
@Override
public Intent configurationIntent() throws RemoteException {
return getDelegate().configurationIntent();
}
/**
* On demand, supply a one-line string that can be shown to the user that
* describes the current backend destination. For example, a transport that
* can potentially associate backup data with arbitrary user accounts should
* include the name of the currently-active account here.
*
* @return A string describing the destination to which the transport is currently
* sending data. This method should not return null.
*/
@Override
public String currentDestinationString() throws RemoteException {
return getDelegate().currentDestinationString();
}
/**
* Ask the transport for an Intent that can be used to launch a more detailed
* secondary data management activity. For example, the configuration intent might
* be one for allowing the user to select which account they wish to associate
* their backups with, and the management intent might be one which presents a
* UI for managing the data on the backend.
*
* <p>In the Settings UI, the configuration intent will typically be invoked
* when the user taps on the preferences item labeled with the current
* destination string, and the management intent will be placed in an overflow
* menu labelled with the management label string.
*
* <p>If the transport does not supply any user-facing data management
* UI, then it should return {@code null} from this method.
*
* @return An intent that can be passed to Context.startActivity() in order to
* launch the transport's data-management UI. This method will return
* {@code null} if the transport does not offer any user-facing data
* management UI.
*/
@Override
public Intent dataManagementIntent() throws RemoteException {
return getDelegate().dataManagementIntent();
}
/**
* On demand, supply a short {@link CharSequence} that can be shown to the user as the
* label on
* an overflow menu item used to invoke the data management UI.
*
* @return A {@link CharSequence} to be used as the label for the transport's data management
* affordance. If the transport supplies a data management intent, this
* method must not return {@code null}.
*/
@Override
public CharSequence dataManagementIntentLabel() throws RemoteException {
return getDelegate().dataManagementIntentLabel();
}
/**
* Ask the transport where, on local device storage, to keep backup state blobs.
* This is per-transport so that mock transports used for testing can coexist with
* "live" backup services without interfering with the live bookkeeping. The
* returned string should be a name that is expected to be unambiguous among all
* available backup transports; the name of the class implementing the transport
* is a good choice. This MUST be constant.
*
* @return A unique name, suitable for use as a file or directory name, that the
* Backup Manager could use to disambiguate state files associated with
* different backup transports.
*/
@Override
public String transportDirName() throws RemoteException {
return getDelegate().transportDirName();
}
/**
* Verify that this is a suitable time for a backup pass. This should return zero
* if a backup is reasonable right now, some positive value otherwise. This method
* will be called outside of the {@link #startSession}/{@link #endSession} pair.
*
* <p>If this is not a suitable time for a backup, the transport should return a
* backoff delay, in milliseconds, after which the Backup Manager should try again.
*
* @return Zero if this is a suitable time for a backup pass, or a positive time delay
* in milliseconds to suggest deferring the backup pass for a while.
*/
@Override
public long requestBackupTime() throws RemoteException {
return getDelegate().requestBackupTime();
}
/**
* Initialize the server side storage for this device, erasing all stored data.
* The transport may send the request immediately, or may buffer it. After
* this is called, {@link #finishBackup} must be called to ensure the request
* is sent and received successfully.
*
* @return One of {@link BackupConstants#TRANSPORT_OK} (OK so far) or
* {@link BackupConstants#TRANSPORT_ERROR} (on network error or other failure).
*/
@Override
public int initializeDevice() throws RemoteException {
return getDelegate().initializeDevice();
}
/**
* Send one application's data to the backup destination. The transport may send
* the data immediately, or may buffer it. After this is called, {@link #finishBackup}
* must be called to ensure the data is sent and recorded successfully.
*
* @param packageInfo The identity of the application whose data is being backed up.
* This specifically includes the signature list for the package.
* @param inFd Descriptor of file with data that resulted from invoking the application's
* BackupService.doBackup() method. This may be a pipe rather than a file on
* persistent media, so it may not be seekable.
* @param flags Some of {@link BackupTransport#FLAG_USER_INITIATED}.
* @return one of {@link BackupConstants#TRANSPORT_OK} (OK so far),
* {@link BackupConstants#TRANSPORT_ERROR} (on network error or other failure), or
* {@link BackupConstants#TRANSPORT_NOT_INITIALIZED} (if the backend dataset has
* become lost due to inactive expiry or some other reason and needs re-initializing)
*/
@Override
public int performBackup(PackageInfo packageInfo,
ParcelFileDescriptor inFd, int flags) throws RemoteException {
return getDelegate().performBackup(packageInfo, inFd, flags);
}
/**
* Erase the give application's data from the backup destination. This clears
* out the given package's data from the current backup set, making it as though
* the app had never yet been backed up. After this is called, {@link finishBackup}
* must be called to ensure that the operation is recorded successfully.
*
* @return the same error codes as {@link #performBackup}.
* @param packageInfo
*/
@Override
public int clearBackupData(PackageInfo packageInfo) throws RemoteException {
return getDelegate().clearBackupData(packageInfo);
}
/**
* Finish sending application data to the backup destination. This must be
* called after {@link #performBackup} or {@link clearBackupData} to ensure that
* all data is sent. Only when this method returns true can a backup be assumed
* to have succeeded.
*
* @return the same error codes as {@link #performBackup}.
*/
@Override
public int finishBackup() throws RemoteException {
return getDelegate().finishBackup();
}
/**
* Get the set of all backups currently available over this transport.
*
* @return Descriptions of the set of restore images available for this device,
* or null if an error occurred (the attempt should be rescheduled).
**/
@Override
public RestoreSet[] getAvailableRestoreSets() throws RemoteException {
return getDelegate().getAvailableRestoreSets();
}
/**
* Get the identifying token of the backup set currently being stored from
* this device. This is used in the case of applications wishing to restore
* their last-known-good data.
*
* @return A token that can be passed to {@link #startRestore}, or 0 if there
* is no backup set available corresponding to the current device state.
*/
@Override
public long getCurrentRestoreSet() throws RemoteException {
return getDelegate().getCurrentRestoreSet();
}
/**
* Start restoring application data from backup. After calling this function,
* alternate calls to {@link #nextRestorePackage} and {@link #nextRestoreData}
* to walk through the actual application data.
*
* @param token A backup token as returned by {@link #getAvailableRestoreSets}
* or {@link #getCurrentRestoreSet}.
* @param packages List of applications to restore (if data is available).
* Application data will be restored in the order given.
* @return One of {@link BackupConstants#TRANSPORT_OK} (OK so far, call
* {@link #nextRestorePackage}) or {@link BackupConstants#TRANSPORT_ERROR}
* (an error occurred, the restore should be aborted and rescheduled).
*/
@Override
public int startRestore(long token, PackageInfo[] packages) throws RemoteException {
return getDelegate().startRestore(token, packages);
}
/**
* Get the package name of the next application with data in the backup store, plus
* a description of the structure of the restored archive: either TYPE_KEY_VALUE for
* an original-API key/value dataset, or TYPE_FULL_STREAM for a tarball-type archive stream.
*
* <p>If the package name in the returned RestoreDescription object is the singleton
* {@link RestoreDescription#NO_MORE_PACKAGES}, it indicates that no further data is available
* in the current restore session: all packages described in startRestore() have been
* processed.
*
* <p>If this method returns {@code null}, it means that a transport-level error has
* occurred and the entire restore operation should be abandoned.
*
* @return A RestoreDescription object containing the name of one of the packages
* supplied to {@link #startRestore} plus an indicator of the data type of that
* restore data; or {@link RestoreDescription#NO_MORE_PACKAGES} to indicate that
* no more packages can be restored in this session; or {@code null} to indicate
* a transport-level error.
*/
@Override
public RestoreDescription nextRestorePackage() throws RemoteException {
return getDelegate().nextRestorePackage();
}
/**
* Get the data for the application returned by {@link #nextRestorePackage}.
*
* @param outFd An open, writable file into which the backup data should be stored.
* @return the same error codes as {@link #startRestore}.
*/
@Override
public int getRestoreData(ParcelFileDescriptor outFd) throws RemoteException {
return getDelegate().getRestoreData(outFd);
}
/**
* End a restore session (aborting any in-process data transfer as necessary),
* freeing any resources and connections used during the restore process.
*/
@Override
public void finishRestore() throws RemoteException {
getDelegate().finishRestore();
}
@Override
public long requestFullBackupTime() throws RemoteException {
return getDelegate().requestFullBackupTime();
}
@Override
public int performFullBackup(PackageInfo targetPackage,
ParcelFileDescriptor socket, int flags) throws RemoteException {
return getDelegate().performFullBackup(targetPackage, socket, flags);
}
@Override
public int checkFullBackupSize(long size) throws RemoteException {
return getDelegate().checkFullBackupSize(size);
}
@Override
public int sendBackupData(int numBytes) throws RemoteException {
return getDelegate().sendBackupData(numBytes);
}
@Override
public void cancelFullBackup() throws RemoteException {
getDelegate().cancelFullBackup();
}
/**
* Ask the transport whether this app is eligible for backup.
*
* @param targetPackage The identity of the application.
* @param isFullBackup If set, transport should check if app is eligible for full data backup,
* otherwise to check if eligible for key-value backup.
* @return Whether this app is eligible for backup.
*/
@Override
public boolean isAppEligibleForBackup(PackageInfo targetPackage,
boolean isFullBackup) throws RemoteException {
return getDelegate().isAppEligibleForBackup(targetPackage, isFullBackup);
}
/**
* Ask the transport about current quota for backup size of the package.
*
* @param packageName ID of package to provide the quota.
* @param isFullBackup If set, transport should return limit for full data backup, otherwise
* for key-value backup.
* @return Current limit on full data backup size in bytes.
*/
@Override
public long getBackupQuota(String packageName, boolean isFullBackup) throws RemoteException {
return getDelegate().getBackupQuota(packageName, isFullBackup);
}
/**
* Ask the transport to provide data for the "current" package being restored. This
* is the package that was just reported by {@link #nextRestorePackage()} as having
* {@link RestoreDescription#TYPE_FULL_STREAM} data.
*
* The transport writes some data to the socket supplied to this call, and returns
* the number of bytes written. The system will then read that many bytes and
* stream them to the application's agent for restore, then will call this method again
* to receive the next chunk of the archive. This sequence will be repeated until the
* transport returns zero indicating that all of the package's data has been delivered
* (or returns a negative value indicating some sort of hard error condition at the
* transport level).
*
* <p>After this method returns zero, the system will then call
* {@link #getNextFullRestorePackage()} to begin the restore process for the next
* application, and the sequence begins again.
*
* <p>The transport should always close this socket when returning from this method.
* Do not cache this socket across multiple calls or you may leak file descriptors.
*
* @param socket The file descriptor that the transport will use for delivering the
* streamed archive. The transport must close this socket in all cases when returning
* from this method.
* @return 0 when no more data for the current package is available. A positive value
* indicates the presence of that many bytes to be delivered to the app. Any negative
* return value is treated as equivalent to {@link BackupTransport#TRANSPORT_ERROR},
* indicating a fatal error condition that precludes further restore operations
* on the current dataset.
*/
@Override
public int getNextFullRestoreDataChunk(ParcelFileDescriptor socket) throws RemoteException {
return getDelegate().getNextFullRestoreDataChunk(socket);
}
/**
* If the OS encounters an error while processing {@link RestoreDescription#TYPE_FULL_STREAM}
* data for restore, it will invoke this method to tell the transport that it should
* abandon the data download for the current package. The OS will then either call
* {@link #nextRestorePackage()} again to move on to restoring the next package in the
* set being iterated over, or will call {@link #finishRestore()} to shut down the restore
* operation.
*
* @return {@link #TRANSPORT_OK} if the transport was successful in shutting down the
* current stream cleanly, or {@link #TRANSPORT_ERROR} to indicate a serious
* transport-level failure. If the transport reports an error here, the entire restore
* operation will immediately be finished with no further attempts to restore app data.
*/
@Override
public int abortFullRestore() throws RemoteException {
return getDelegate().abortFullRestore();
}
/**
* Returns flags with additional information about the transport, which is accessible to the
* {@link BackupAgent}. This allows the agent to decide what to backup or
* restore based on properties of the transport.
*
* <p>For supported flags see {@link BackupAgent}.
*/
@Override
public int getTransportFlags() throws RemoteException {
return getDelegate().getTransportFlags();
}
}

View File

@@ -41,12 +41,6 @@ import java.util.function.Function;
*/
public class TransportClientManager {
private static final String TAG = "TransportClientManager";
private static final String SERVICE_ACTION_ENCRYPTING_TRANSPORT =
"android.encryption.BACKUP_ENCRYPTION";
private static final ComponentName ENCRYPTING_TRANSPORT = new ComponentName(
"com.android.server.backup.encryption",
"com.android.server.backup.encryption.BackupEncryptionService");
private static final String ENCRYPTING_TRANSPORT_REAL_TRANSPORT_KEY = "transport";
private final @UserIdInt int mUserId;
private final Context mContext;
@@ -56,17 +50,6 @@ public class TransportClientManager {
private Map<TransportClient, String> mTransportClientsCallerMap = new WeakHashMap<>();
private final Function<ComponentName, Intent> mIntentFunction;
/**
* Return an {@link Intent} which resolves to an intermediate {@link IBackupTransport} that
* encrypts (or decrypts) the data when sending it (or receiving it) from the {@link
* IBackupTransport} for the given {@link ComponentName}.
*/
public static Intent getEncryptingTransportIntent(ComponentName tranportComponent) {
return new Intent(SERVICE_ACTION_ENCRYPTING_TRANSPORT)
.setComponent(ENCRYPTING_TRANSPORT)
.putExtra(ENCRYPTING_TRANSPORT_REAL_TRANSPORT_KEY, tranportComponent);
}
/**
* Return an {@link Intent} which resolves to the {@link IBackupTransport} for the {@link
* ComponentName}.
@@ -75,32 +58,6 @@ public class TransportClientManager {
return new Intent(SERVICE_ACTION_TRANSPORT_HOST).setComponent(transportComponent);
}
/**
* Given a {@link Intent} originally created by {@link
* #getEncryptingTransportIntent(ComponentName)}, returns the {@link Intent} which resolves to
* the {@link IBackupTransport} for that {@link ComponentName}.
*/
public static Intent getRealTransportIntent(Intent encryptingTransportIntent) {
ComponentName transportComponent = encryptingTransportIntent.getParcelableExtra(
ENCRYPTING_TRANSPORT_REAL_TRANSPORT_KEY);
Intent intent = getRealTransportIntent(transportComponent)
.putExtras(encryptingTransportIntent.getExtras());
intent.removeExtra(ENCRYPTING_TRANSPORT_REAL_TRANSPORT_KEY);
return intent;
}
/**
* Create a {@link TransportClientManager} such that {@link #getTransportClient(ComponentName,
* Bundle, String)} returns a {@link TransportClient} which connects to an intermediate {@link
* IBackupTransport} that encrypts (or decrypts) the data when sending it (or receiving it) from
* the {@link IBackupTransport} for the given {@link ComponentName}.
*/
public static TransportClientManager createEncryptingClientManager(@UserIdInt int userId,
Context context, TransportStats transportStats) {
return new TransportClientManager(userId, context, transportStats,
TransportClientManager::getEncryptingTransportIntent);
}
public TransportClientManager(@UserIdInt int userId, Context context,
TransportStats transportStats) {
this(userId, context, transportStats, TransportClientManager::getRealTransportIntent);

View File

@@ -1,386 +0,0 @@
/*
* 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.transport;
import static junit.framework.Assert.assertEquals;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import static org.mockito.Mockito.when;
import android.app.backup.RestoreDescription;
import android.app.backup.RestoreSet;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
import android.platform.test.annotations.Presubmit;
import androidx.test.runner.AndroidJUnit4;
import com.android.internal.backup.IBackupTransport;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
@Presubmit
@RunWith(AndroidJUnit4.class)
public class DelegatingTransportTest {
@Mock private IBackupTransport mBackupTransport;
@Mock private PackageInfo mPackageInfo;
@Mock private ParcelFileDescriptor mFd;
private final String mPackageName = "testpackage";
private final RestoreSet mRestoreSet = new RestoreSet();
private final int mFlags = 1;
private final long mRestoreToken = 10;
private final long mSize = 100;
private final int mNumBytes = 1000;
private DelegatingTransport mDelegatingTransport;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mDelegatingTransport = new DelegatingTransport() {
@Override
protected IBackupTransport getDelegate() {
return mBackupTransport;
}
};
}
@Test
public void testName() throws RemoteException {
String exp = "dummy";
when(mBackupTransport.name()).thenReturn(exp);
String ret = mDelegatingTransport.name();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).name();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testConfigurationIntent() throws RemoteException {
Intent exp = new Intent("dummy");
when(mBackupTransport.configurationIntent()).thenReturn(exp);
Intent ret = mDelegatingTransport.configurationIntent();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).configurationIntent();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testCurrentDestinationString() throws RemoteException {
String exp = "dummy";
when(mBackupTransport.currentDestinationString()).thenReturn(exp);
String ret = mDelegatingTransport.currentDestinationString();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).currentDestinationString();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testDataManagementIntent() throws RemoteException {
Intent exp = new Intent("dummy");
when(mBackupTransport.dataManagementIntent()).thenReturn(exp);
Intent ret = mDelegatingTransport.dataManagementIntent();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).dataManagementIntent();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testDataManagementIntentLabel() throws RemoteException {
String exp = "dummy";
when(mBackupTransport.dataManagementIntentLabel()).thenReturn(exp);
CharSequence ret = mDelegatingTransport.dataManagementIntentLabel();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).dataManagementIntentLabel();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testTransportDirName() throws RemoteException {
String exp = "dummy";
when(mBackupTransport.transportDirName()).thenReturn(exp);
String ret = mDelegatingTransport.transportDirName();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).transportDirName();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testRequestBackupTime() throws RemoteException {
long exp = 1000L;
when(mBackupTransport.requestBackupTime()).thenReturn(exp);
long ret = mDelegatingTransport.requestBackupTime();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).requestBackupTime();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testInitializeDevice() throws RemoteException {
int exp = 1000;
when(mBackupTransport.initializeDevice()).thenReturn(exp);
long ret = mDelegatingTransport.initializeDevice();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).initializeDevice();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testPerformBackup() throws RemoteException {
int exp = 1000;
when(mBackupTransport.performBackup(mPackageInfo, mFd, mFlags)).thenReturn(exp);
int ret = mDelegatingTransport.performBackup(mPackageInfo, mFd, mFlags);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).performBackup(mPackageInfo, mFd, mFlags);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testClearBackupData() throws RemoteException {
int exp = 1000;
when(mBackupTransport.clearBackupData(mPackageInfo)).thenReturn(exp);
int ret = mDelegatingTransport.clearBackupData(mPackageInfo);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).clearBackupData(mPackageInfo);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testFinishBackup() throws RemoteException {
int exp = 1000;
when(mBackupTransport.finishBackup()).thenReturn(exp);
int ret = mDelegatingTransport.finishBackup();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).finishBackup();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testGetAvailableRestoreSets() throws RemoteException {
RestoreSet[] exp = new RestoreSet[] {mRestoreSet};
when(mBackupTransport.getAvailableRestoreSets()).thenReturn(exp);
RestoreSet[] ret = mDelegatingTransport.getAvailableRestoreSets();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).getAvailableRestoreSets();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testGetCurrentRestoreSet() throws RemoteException {
long exp = 1000;
when(mBackupTransport.getCurrentRestoreSet()).thenReturn(exp);
long ret = mDelegatingTransport.getCurrentRestoreSet();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).getCurrentRestoreSet();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testStartRestore() throws RemoteException {
int exp = 1000;
PackageInfo[] packageInfos = {mPackageInfo};
when(mBackupTransport.startRestore(mRestoreToken, packageInfos)).thenReturn(exp);
int ret = mDelegatingTransport.startRestore(mRestoreToken, packageInfos);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).startRestore(mRestoreToken, packageInfos);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testNextRestorePackage() throws RemoteException {
RestoreDescription exp = new RestoreDescription(mPackageName, 1);
when(mBackupTransport.nextRestorePackage()).thenReturn(exp);
RestoreDescription ret = mDelegatingTransport.nextRestorePackage();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).nextRestorePackage();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testGetRestoreData() throws RemoteException {
int exp = 1000;
when(mBackupTransport.getRestoreData(mFd)).thenReturn(exp);
int ret = mDelegatingTransport.getRestoreData(mFd);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).getRestoreData(mFd);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void tesFinishRestore() throws RemoteException {
mDelegatingTransport.finishRestore();
verify(mBackupTransport, times(1)).finishRestore();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testRequestFullBackupTime() throws RemoteException {
long exp = 1000L;
when(mBackupTransport.requestFullBackupTime()).thenReturn(exp);
long ret = mDelegatingTransport.requestFullBackupTime();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).requestFullBackupTime();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testPerformFullBackup() throws RemoteException {
int exp = 1000;
when(mBackupTransport.performFullBackup(mPackageInfo, mFd, mFlags)).thenReturn(exp);
int ret = mDelegatingTransport.performFullBackup(mPackageInfo, mFd, mFlags);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).performFullBackup(mPackageInfo, mFd, mFlags);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testCheckFullBackupSize() throws RemoteException {
int exp = 1000;
when(mBackupTransport.checkFullBackupSize(mSize)).thenReturn(exp);
int ret = mDelegatingTransport.checkFullBackupSize(mSize);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).checkFullBackupSize(mSize);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testSendBackupData() throws RemoteException {
int exp = 1000;
when(mBackupTransport.sendBackupData(mNumBytes)).thenReturn(exp);
int ret = mDelegatingTransport.sendBackupData(mNumBytes);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).sendBackupData(mNumBytes);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testCancelFullBackup() throws RemoteException {
mDelegatingTransport.cancelFullBackup();
verify(mBackupTransport, times(1)).cancelFullBackup();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testIsAppEligibleForBackup() throws RemoteException {
boolean exp = true;
when(mBackupTransport.isAppEligibleForBackup(mPackageInfo, true)).thenReturn(exp);
boolean ret = mDelegatingTransport.isAppEligibleForBackup(mPackageInfo, true);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).isAppEligibleForBackup(mPackageInfo, true);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testGetBackupQuota() throws RemoteException {
long exp = 1000;
when(mBackupTransport.getBackupQuota(mPackageName, true)).thenReturn(exp);
long ret = mDelegatingTransport.getBackupQuota(mPackageName, true);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).getBackupQuota(mPackageName, true);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testGetNextFullRestoreDataChunk() throws RemoteException {
int exp = 1000;
when(mBackupTransport.getNextFullRestoreDataChunk(mFd)).thenReturn(exp);
int ret = mDelegatingTransport.getNextFullRestoreDataChunk(mFd);
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).getNextFullRestoreDataChunk(mFd);
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testAbortFullRestore() throws RemoteException {
int exp = 1000;
when(mBackupTransport.abortFullRestore()).thenReturn(exp);
int ret = mDelegatingTransport.abortFullRestore();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).abortFullRestore();
verifyNoMoreInteractions(mBackupTransport);
}
@Test
public void testGetTransportFlags() throws RemoteException {
int exp = 1000;
when(mBackupTransport.getTransportFlags()).thenReturn(exp);
int ret = mDelegatingTransport.getTransportFlags();
assertEquals(exp, ret);
verify(mBackupTransport, times(1)).getTransportFlags();
verifyNoMoreInteractions(mBackupTransport);
}
}