diff options
7 files changed, 111 insertions, 117 deletions
diff --git a/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java b/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java index 4b7eda096e54..ed717c491467 100644 --- a/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java +++ b/cmds/bmgr/src/com/android/commands/bmgr/Bmgr.java @@ -19,7 +19,6 @@ package com.android.commands.bmgr; import android.annotation.IntDef; import android.annotation.UserIdInt; import android.app.backup.BackupManager; -import android.app.backup.BackupManager.OperationType; import android.app.backup.BackupManagerMonitor; import android.app.backup.BackupProgress; import android.app.backup.BackupTransport; @@ -667,7 +666,7 @@ public class Bmgr { // The rest of the 'list' options work with a restore session on the current transport try { - mRestore = mBmgr.beginRestoreSessionForUser(userId, null, null, OperationType.BACKUP); + mRestore = mBmgr.beginRestoreSessionForUser(userId, null, null); if (mRestore == null) { System.err.println(BMGR_ERR_NO_RESTORESESSION_FOR_USER + userId); return; @@ -822,7 +821,7 @@ public class Bmgr { try { boolean didRestore = false; - mRestore = mBmgr.beginRestoreSessionForUser(userId, null, null, OperationType.BACKUP); + mRestore = mBmgr.beginRestoreSessionForUser(userId, null, null); if (mRestore == null) { System.err.println(BMGR_ERR_NO_RESTORESESSION_FOR_USER + userId); return; diff --git a/core/java/android/app/backup/BackupManager.java b/core/java/android/app/backup/BackupManager.java index 673de8fa7c8c..dae565e12fd7 100644 --- a/core/java/android/app/backup/BackupManager.java +++ b/core/java/android/app/backup/BackupManager.java @@ -361,36 +361,7 @@ public class BackupManager { try { // All packages, current transport IRestoreSession binder = - sService.beginRestoreSessionForUser(mContext.getUserId(), null, null, - OperationType.BACKUP); - if (binder != null) { - session = new RestoreSession(mContext, binder); - } - } catch (RemoteException e) { - Log.e(TAG, "beginRestoreSession() couldn't connect"); - } - } - return session; - } - - /** - * Begin the process of restoring data from backup. See the - * {@link android.app.backup.RestoreSession} class for documentation on that process. - * - * @param operationType Type of the operation, see {@link OperationType} - * - * @hide - */ - @RequiresPermission(android.Manifest.permission.BACKUP) - public RestoreSession beginRestoreSession(@OperationType int operationType) { - RestoreSession session = null; - checkServiceBinder(); - if (sService != null) { - try { - // All packages, current transport - IRestoreSession binder = - sService.beginRestoreSessionForUser(mContext.getUserId(), null, null, - operationType); + sService.beginRestoreSessionForUser(mContext.getUserId(), null, null); if (binder != null) { session = new RestoreSession(mContext, binder); } @@ -801,7 +772,7 @@ public class BackupManager { @SystemApi @RequiresPermission(android.Manifest.permission.BACKUP) public int requestBackup(String[] packages, BackupObserver observer) { - return requestBackup(packages, observer, null, 0, OperationType.BACKUP); + return requestBackup(packages, observer, null, 0); } /** @@ -826,31 +797,6 @@ public class BackupManager { @RequiresPermission(android.Manifest.permission.BACKUP) public int requestBackup(String[] packages, BackupObserver observer, BackupManagerMonitor monitor, int flags) { - return requestBackup(packages, observer, monitor, flags, OperationType.BACKUP); - } - - /** - * Request an immediate backup, providing an observer to which results of the backup operation - * will be published. The Android backup system will decide for each package whether it will - * be full app data backup or key/value-pair-based backup. - * - * <p>If this method returns {@link BackupManager#SUCCESS}, the OS will attempt to backup all - * provided packages using the remote transport. - * - * @param packages List of package names to backup. - * @param observer The {@link BackupObserver} to receive callbacks during the backup - * operation. Could be {@code null}. - * @param monitor The {@link BackupManagerMonitorWrapper} to receive callbacks of important - * events during the backup operation. Could be {@code null}. - * @param flags {@link #FLAG_NON_INCREMENTAL_BACKUP}. - * @param operationType {@link OperationType} - * @return {@link BackupManager#SUCCESS} on success; nonzero on error. - * @throws IllegalArgumentException on null or empty {@code packages} param. - * @hide - */ - @RequiresPermission(android.Manifest.permission.BACKUP) - public int requestBackup(String[] packages, BackupObserver observer, - BackupManagerMonitor monitor, int flags, @OperationType int operationType) { checkServiceBinder(); if (sService != null) { try { @@ -860,8 +806,7 @@ public class BackupManager { BackupManagerMonitorWrapper monitorWrapper = monitor == null ? null : new BackupManagerMonitorWrapper(monitor); - return sService.requestBackup(packages, observerWrapper, monitorWrapper, flags, - operationType); + return sService.requestBackup(packages, observerWrapper, monitorWrapper, flags); } catch (RemoteException e) { Log.e(TAG, "requestBackup() couldn't connect"); } diff --git a/core/java/android/app/backup/IBackupManager.aidl b/core/java/android/app/backup/IBackupManager.aidl index e1bbc08e72f3..bf5be95c4ab0 100644 --- a/core/java/android/app/backup/IBackupManager.aidl +++ b/core/java/android/app/backup/IBackupManager.aidl @@ -547,11 +547,9 @@ interface IBackupManager { * set can be restored. * @param transportID The name of the transport to use for the restore operation. * May be null, in which case the current active transport is used. - * @param operationType Type of the operation, see {@link BackupManager#OperationType} * @return An interface to the restore session, or null on error. */ - IRestoreSession beginRestoreSessionForUser(int userId, String packageName, String transportID, - int operationType); + IRestoreSession beginRestoreSessionForUser(int userId, String packageName, String transportID); /** * Notify the backup manager that a BackupAgent has completed the operation @@ -680,7 +678,7 @@ interface IBackupManager { * {@link android.app.backup.IBackupManager.requestBackupForUser} for the calling user id. */ int requestBackup(in String[] packages, IBackupObserver observer, IBackupManagerMonitor monitor, - int flags, int operationType); + int flags); /** * Cancel all running backups. After this call returns, no currently running backups will diff --git a/services/backup/java/com/android/server/backup/BackupManagerService.java b/services/backup/java/com/android/server/backup/BackupManagerService.java index 6c30999f63a4..38275f7cd348 100644 --- a/services/backup/java/com/android/server/backup/BackupManagerService.java +++ b/services/backup/java/com/android/server/backup/BackupManagerService.java @@ -1245,10 +1245,9 @@ public class BackupManagerService extends IBackupManager.Stub { @Override public IRestoreSession beginRestoreSessionForUser( - int userId, String packageName, String transportID, - @OperationType int operationType) throws RemoteException { + int userId, String packageName, String transportID) throws RemoteException { return isUserReadyForBackup(userId) - ? beginRestoreSession(userId, packageName, transportID, operationType) : null; + ? beginRestoreSession(userId, packageName, transportID) : null; } /** @@ -1257,15 +1256,13 @@ public class BackupManagerService extends IBackupManager.Stub { */ @Nullable public IRestoreSession beginRestoreSession( - @UserIdInt int userId, String packageName, String transportName, - @OperationType int operationType) { + @UserIdInt int userId, String packageName, String transportName) { UserBackupManagerService userBackupManagerService = getServiceForUserIfCallerHasPermission(userId, "beginRestoreSession()"); return userBackupManagerService == null ? null - : userBackupManagerService.beginRestoreSession(packageName, transportName, - operationType); + : userBackupManagerService.beginRestoreSession(packageName, transportName); } @Override @@ -1350,15 +1347,15 @@ public class BackupManagerService extends IBackupManager.Stub { if (!isUserReadyForBackup(userId)) { return BackupManager.ERROR_BACKUP_NOT_ALLOWED; } - return requestBackup(userId, packages, observer, monitor, flags, OperationType.BACKUP); + return requestBackup(userId, packages, observer, monitor, flags); } @Override public int requestBackup(String[] packages, IBackupObserver observer, - IBackupManagerMonitor monitor, int flags, @OperationType int operationType) + IBackupManagerMonitor monitor, int flags) throws RemoteException { return requestBackup(binderGetCallingUserId(), packages, - observer, monitor, flags, operationType); + observer, monitor, flags); } /** @@ -1370,15 +1367,13 @@ public class BackupManagerService extends IBackupManager.Stub { String[] packages, IBackupObserver observer, IBackupManagerMonitor monitor, - int flags, - @OperationType int operationType) { + int flags) { UserBackupManagerService userBackupManagerService = getServiceForUserIfCallerHasPermission(userId, "requestBackup()"); return userBackupManagerService == null ? BackupManager.ERROR_BACKUP_NOT_ALLOWED - : userBackupManagerService.requestBackup(packages, observer, monitor, flags, - operationType); + : userBackupManagerService.requestBackup(packages, observer, monitor, flags); } @Override diff --git a/services/backup/java/com/android/server/backup/UserBackupManagerService.java b/services/backup/java/com/android/server/backup/UserBackupManagerService.java index 136cd22fad83..9ee0159e903a 100644 --- a/services/backup/java/com/android/server/backup/UserBackupManagerService.java +++ b/services/backup/java/com/android/server/backup/UserBackupManagerService.java @@ -96,6 +96,7 @@ import android.text.TextUtils; import android.util.ArraySet; import android.util.AtomicFile; import android.util.EventLog; +import android.util.FeatureFlagUtils; import android.util.Pair; import android.util.Slog; import android.util.SparseArray; @@ -127,6 +128,7 @@ import com.android.server.backup.params.RestoreParams; import com.android.server.backup.restore.ActiveRestoreSession; import com.android.server.backup.restore.PerformUnifiedRestoreTask; import com.android.server.backup.transport.TransportClient; +import com.android.server.backup.transport.TransportNotAvailableException; import com.android.server.backup.transport.TransportNotRegisteredException; import com.android.server.backup.utils.BackupEligibilityRules; import com.android.server.backup.utils.BackupManagerMonitorUtils; @@ -1860,19 +1862,10 @@ public class UserBackupManagerService { /** * Requests a backup for the inputted {@code packages} with a specified {@link - * IBackupManagerMonitor}. - */ - public int requestBackup(String[] packages, IBackupObserver observer, - IBackupManagerMonitor monitor, int flags) { - return requestBackup(packages, observer, monitor, flags, OperationType.BACKUP); - } - - /** - * Requests a backup for the inputted {@code packages} with a specified {@link * IBackupManagerMonitor} and {@link OperationType}. */ public int requestBackup(String[] packages, IBackupObserver observer, - IBackupManagerMonitor monitor, int flags, @OperationType int operationType) { + IBackupManagerMonitor monitor, int flags) { mContext.enforceCallingPermission(android.Manifest.permission.BACKUP, "requestBackup"); if (packages == null || packages.length < 1) { @@ -1903,13 +1896,16 @@ public class UserBackupManagerService { final TransportClient transportClient; final String transportDirName; + int operationType; try { transportDirName = mTransportManager.getTransportDirName( mTransportManager.getCurrentTransportName()); transportClient = mTransportManager.getCurrentTransportClientOrThrow("BMS.requestBackup()"); - } catch (TransportNotRegisteredException e) { + operationType = getOperationTypeFromTransport(transportClient); + } catch (TransportNotRegisteredException | TransportNotAvailableException + | RemoteException e) { BackupObserverUtils.sendBackupFinished(observer, BackupManager.ERROR_TRANSPORT_ABORTED); monitor = BackupManagerMonitorUtils.monitorEvent(monitor, BackupManagerMonitor.LOG_EVENT_ID_TRANSPORT_IS_NULL, @@ -4024,15 +4020,13 @@ public class UserBackupManagerService { } /** Hand off a restore session. */ - public IRestoreSession beginRestoreSession(String packageName, String transport, - @OperationType int operationType) { + public IRestoreSession beginRestoreSession(String packageName, String transport) { if (DEBUG) { Slog.v( TAG, addUserIdToLogMessage( mUserId, - "beginRestoreSession: pkg=" + packageName + " transport=" + transport - + "operationType=" + operationType)); + "beginRestoreSession: pkg=" + packageName + " transport=" + transport)); } boolean needPermission = true; @@ -4073,6 +4067,17 @@ public class UserBackupManagerService { } } + int operationType; + try { + operationType = getOperationTypeFromTransport( + mTransportManager.getTransportClientOrThrow(transport, /* caller */ + "BMS.beginRestoreSession")); + } catch (TransportNotAvailableException | TransportNotRegisteredException + | RemoteException e) { + Slog.w(TAG, "Failed to get operation type from transport: " + e); + return null; + } + synchronized (this) { if (mActiveRestoreSession != null) { Slog.i( @@ -4356,6 +4361,34 @@ public class UserBackupManagerService { } } + @VisibleForTesting + @OperationType int getOperationTypeFromTransport(TransportClient transportClient) + throws TransportNotAvailableException, RemoteException { + if (!shouldUseNewBackupEligibilityRules()) { + // Return the default to stick to the legacy behaviour. + return OperationType.BACKUP; + } + + long oldCallingId = Binder.clearCallingIdentity(); + try { + IBackupTransport transport = transportClient.connectOrThrow( + /* caller */ "BMS.getOperationTypeFromTransport"); + if ((transport.getTransportFlags() & BackupAgent.FLAG_DEVICE_TO_DEVICE_TRANSFER) != 0) { + return OperationType.MIGRATION; + } else { + return OperationType.BACKUP; + } + } finally { + Binder.restoreCallingIdentity(oldCallingId); + } + } + + @VisibleForTesting + boolean shouldUseNewBackupEligibilityRules() { + return FeatureFlagUtils.isEnabled(mContext, + FeatureFlagUtils.SETTINGS_USE_NEW_BACKUP_ELIGIBILITY_RULES); + } + private static String addUserIdToLogMessage(int userId, String message) { return "[UserID:" + userId + "] " + message; } diff --git a/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java b/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java index cbebe6984794..2219d477630e 100644 --- a/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java +++ b/services/robotests/backup/src/com/android/server/backup/BackupManagerServiceRoboTest.java @@ -38,7 +38,6 @@ import static org.testng.Assert.expectThrows; import android.annotation.UserIdInt; import android.app.Application; -import android.app.backup.BackupManager.OperationType; import android.app.backup.IBackupManagerMonitor; import android.app.backup.IBackupObserver; import android.app.backup.IFullBackupRestoreObserver; @@ -874,8 +873,7 @@ public class BackupManagerServiceRoboTest { SecurityException.class, () -> backupManagerService.requestBackup( - mUserTwoId, packages, observer, monitor, 0, - OperationType.BACKUP)); + mUserTwoId, packages, observer, monitor, 0)); } /** @@ -893,11 +891,9 @@ public class BackupManagerServiceRoboTest { IBackupManagerMonitor monitor = mock(IBackupManagerMonitor.class); setCallerAndGrantInteractUserPermission(mUserOneId, /* shouldGrantPermission */ true); - backupManagerService.requestBackup(mUserTwoId, packages, observer, monitor, /* flags */ 0, - OperationType.BACKUP); + backupManagerService.requestBackup(mUserTwoId, packages, observer, monitor, /* flags */ 0); - verify(mUserTwoService).requestBackup(packages, observer, monitor, /* flags */ 0, - OperationType.BACKUP); + verify(mUserTwoService).requestBackup(packages, observer, monitor, /* flags */ 0); } /** Test that the backup service routes methods correctly to the user that requests it. */ @@ -910,11 +906,9 @@ public class BackupManagerServiceRoboTest { IBackupManagerMonitor monitor = mock(IBackupManagerMonitor.class); setCallerAndGrantInteractUserPermission(mUserOneId, /* shouldGrantPermission */ false); - backupManagerService.requestBackup(mUserOneId, packages, observer, monitor, /* flags */ 0, - OperationType.BACKUP); + backupManagerService.requestBackup(mUserOneId, packages, observer, monitor, /* flags */ 0); - verify(mUserOneService).requestBackup(packages, observer, monitor, /* flags */ 0, - OperationType.BACKUP); + verify(mUserOneService).requestBackup(packages, observer, monitor, /* flags */ 0); } /** Test that the backup service routes methods correctly to the user that requests it. */ @@ -927,11 +921,9 @@ public class BackupManagerServiceRoboTest { IBackupManagerMonitor monitor = mock(IBackupManagerMonitor.class); setCallerAndGrantInteractUserPermission(mUserTwoId, /* shouldGrantPermission */ false); - backupManagerService.requestBackup(mUserTwoId, packages, observer, monitor, /* flags */ 0, - OperationType.BACKUP); + backupManagerService.requestBackup(mUserTwoId, packages, observer, monitor, /* flags */ 0); - verify(mUserOneService, never()).requestBackup(packages, observer, monitor, /* flags */ 0, - OperationType.BACKUP); + verify(mUserOneService, never()).requestBackup(packages, observer, monitor, /* flags */ 0); } /** @@ -1092,11 +1084,9 @@ public class BackupManagerServiceRoboTest { registerUser(backupManagerService, mUserOneId, mUserOneService); setCallerAndGrantInteractUserPermission(mUserOneId, /* shouldGrantPermission */ false); - backupManagerService.beginRestoreSession(mUserOneId, TEST_PACKAGE, TEST_TRANSPORT, - OperationType.BACKUP); + backupManagerService.beginRestoreSession(mUserOneId, TEST_PACKAGE, TEST_TRANSPORT); - verify(mUserOneService).beginRestoreSession(TEST_PACKAGE, TEST_TRANSPORT, - OperationType.BACKUP); + verify(mUserOneService).beginRestoreSession(TEST_PACKAGE, TEST_TRANSPORT); } /** Test that the backup service does not route methods for non-registered users. */ @@ -1106,11 +1096,9 @@ public class BackupManagerServiceRoboTest { registerUser(backupManagerService, mUserOneId, mUserOneService); setCallerAndGrantInteractUserPermission(mUserTwoId, /* shouldGrantPermission */ false); - backupManagerService.beginRestoreSession(mUserTwoId, TEST_PACKAGE, TEST_TRANSPORT, - OperationType.BACKUP); + backupManagerService.beginRestoreSession(mUserTwoId, TEST_PACKAGE, TEST_TRANSPORT); - verify(mUserOneService, never()).beginRestoreSession(TEST_PACKAGE, TEST_TRANSPORT, - OperationType.BACKUP); + verify(mUserOneService, never()).beginRestoreSession(TEST_PACKAGE, TEST_TRANSPORT); } /** Test that the backup service routes methods correctly to the user that requests it. */ diff --git a/services/tests/servicestests/src/com/android/server/backup/UserBackupManagerServiceTest.java b/services/tests/servicestests/src/com/android/server/backup/UserBackupManagerServiceTest.java index b98f0257d7b7..205ff300c543 100644 --- a/services/tests/servicestests/src/com/android/server/backup/UserBackupManagerServiceTest.java +++ b/services/tests/servicestests/src/com/android/server/backup/UserBackupManagerServiceTest.java @@ -23,6 +23,7 @@ import static org.mockito.ArgumentMatchers.anyInt; import static org.mockito.ArgumentMatchers.anyString; import static org.mockito.Mockito.when; +import android.app.backup.BackupAgent; import android.app.backup.BackupManager.OperationType; import android.app.backup.IBackupManagerMonitor; import android.app.backup.IBackupObserver; @@ -30,6 +31,7 @@ import android.content.Context; import android.content.pm.ApplicationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; +import com.android.internal.backup.IBackupTransport; import android.platform.test.annotations.Presubmit; import androidx.test.runner.AndroidJUnit4; @@ -56,6 +58,7 @@ public class UserBackupManagerServiceTest { @Mock IBackupObserver mBackupObserver; @Mock PackageManager mPackageManager; @Mock TransportClient mTransportClient; + @Mock IBackupTransport mBackupTransport; @Mock BackupEligibilityRules mBackupEligibilityRules; @@ -132,6 +135,33 @@ public class UserBackupManagerServiceTest { assertThat(params.mBackupEligibilityRules).isEqualTo(mBackupEligibilityRules); } + @Test + public void testGetOperationTypeFromTransport_returnsBackupByDefault() + throws Exception { + when(mTransportClient.connectOrThrow(any())).thenReturn(mBackupTransport); + when(mBackupTransport.getTransportFlags()).thenReturn(0); + + int operationType = mService.getOperationTypeFromTransport(mTransportClient); + + assertThat(operationType).isEqualTo(OperationType.BACKUP); + } + + @Test + public void testGetOperationTypeFromTransport_returnsMigrationForMigrationTransport() + throws Exception { + // This is a temporary flag to control the new behaviour until it's ready to be fully + // rolled out. + mService.shouldUseNewBackupEligibilityRules = true; + + when(mTransportClient.connectOrThrow(any())).thenReturn(mBackupTransport); + when(mBackupTransport.getTransportFlags()).thenReturn( + BackupAgent.FLAG_DEVICE_TO_DEVICE_TRANSFER); + + int operationType = mService.getOperationTypeFromTransport(mTransportClient); + + assertThat(operationType).isEqualTo(OperationType.MIGRATION); + } + private static PackageInfo getPackageInfo(String packageName) { PackageInfo packageInfo = new PackageInfo(); packageInfo.applicationInfo = new ApplicationInfo(); @@ -141,6 +171,7 @@ public class UserBackupManagerServiceTest { private static class TestBackupService extends UserBackupManagerService { boolean isEnabledStatePersisted = false; + boolean shouldUseNewBackupEligibilityRules = false; TestBackupService(Context context, PackageManager packageManager) { super(context, packageManager); @@ -158,5 +189,10 @@ public class UserBackupManagerServiceTest { @Override void updateStateOnBackupEnabled(boolean wasEnabled, boolean enable) {} + + @Override + boolean shouldUseNewBackupEligibilityRules() { + return shouldUseNewBackupEligibilityRules; + } } } |