| /* |
| * Copyright (C) 2020 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.appsearch; |
| |
| import static android.app.appsearch.AppSearchResult.throwableToFailedResult; |
| import static android.os.UserHandle.USER_NULL; |
| |
| import android.annotation.NonNull; |
| import android.annotation.UserIdInt; |
| import android.app.ActivityManager; |
| import android.app.appsearch.AppSearchBatchResult; |
| import android.app.appsearch.AppSearchMigrationHelper; |
| import android.app.appsearch.AppSearchResult; |
| import android.app.appsearch.AppSearchSchema; |
| import android.app.appsearch.GenericDocument; |
| import android.app.appsearch.GetSchemaResponse; |
| import android.app.appsearch.IAppSearchBatchResultCallback; |
| import android.app.appsearch.IAppSearchManager; |
| import android.app.appsearch.IAppSearchResultCallback; |
| import android.app.appsearch.PackageIdentifier; |
| import android.app.appsearch.SearchResultPage; |
| import android.app.appsearch.SearchSpec; |
| import android.app.appsearch.SetSchemaResponse; |
| import android.app.appsearch.StorageInfo; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManagerInternal; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.ParcelFileDescriptor; |
| import android.os.ParcelableException; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.Slog; |
| |
| import com.android.internal.annotations.GuardedBy; |
| import com.android.internal.util.Preconditions; |
| import com.android.server.LocalServices; |
| import com.android.server.SystemService; |
| import com.android.server.appsearch.external.localstorage.AppSearchImpl; |
| |
| import java.io.DataInputStream; |
| import java.io.DataOutputStream; |
| import java.io.EOFException; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| /** TODO(b/142567528): add comments when implement this class */ |
| public class AppSearchManagerService extends SystemService { |
| private static final String TAG = "AppSearchManagerService"; |
| private final Context mContext; |
| private PackageManagerInternal mPackageManagerInternal; |
| private ImplInstanceManager mImplInstanceManager; |
| private UserManager mUserManager; |
| |
| // Cache of unlocked user ids so we don't have to query UserManager service each time. The |
| // "locked" suffix refers to the fact that access to the field should be locked; unrelated to |
| // the unlocked status of user ids. |
| @GuardedBy("mUnlockedUserIdsLocked") |
| private final Set<Integer> mUnlockedUserIdsLocked = new ArraySet<>(); |
| |
| public AppSearchManagerService(Context context) { |
| super(context); |
| mContext = context; |
| } |
| |
| @Override |
| public void onStart() { |
| publishBinderService(Context.APP_SEARCH_SERVICE, new Stub()); |
| mPackageManagerInternal = LocalServices.getService(PackageManagerInternal.class); |
| mImplInstanceManager = ImplInstanceManager.getInstance(mContext); |
| mUserManager = mContext.getSystemService(UserManager.class); |
| registerReceivers(); |
| } |
| |
| private void registerReceivers() { |
| mContext.registerReceiverAsUser(new UserActionReceiver(), UserHandle.ALL, |
| new IntentFilter(Intent.ACTION_USER_REMOVED), /*broadcastPermission=*/ null, |
| /*scheduler=*/ null); |
| } |
| |
| private class UserActionReceiver extends BroadcastReceiver { |
| @Override |
| public void onReceive(@NonNull Context context, @NonNull Intent intent) { |
| switch (intent.getAction()) { |
| case Intent.ACTION_USER_REMOVED: |
| final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, USER_NULL); |
| if (userId == USER_NULL) { |
| Slog.e(TAG, "userId is missing in the intent: " + intent); |
| return; |
| } |
| handleUserRemoved(userId); |
| break; |
| default: |
| Slog.e(TAG, "Received unknown intent: " + intent); |
| } |
| } |
| } |
| |
| /** |
| * Handles user removed action. |
| * |
| * <p>Only need to clear the AppSearchImpl instance. The data of AppSearch is saved in the |
| * "credential encrypted" system directory of each user. That directory will be auto-deleted |
| * when a user is removed. |
| * |
| * @param userId The multi-user userId of the user that need to be removed. |
| * |
| * @see android.os.Environment#getDataSystemCeDirectory |
| */ |
| private void handleUserRemoved(@UserIdInt int userId) { |
| try { |
| mImplInstanceManager.removeAppSearchImplForUser(userId); |
| Slog.i(TAG, "Removed AppSearchImpl instance for user: " + userId); |
| } catch (Throwable t) { |
| Slog.e(TAG, "Unable to remove data for user: " + userId, t); |
| } |
| } |
| |
| @Override |
| public void onUserUnlocking(@NonNull TargetUser user) { |
| synchronized (mUnlockedUserIdsLocked) { |
| mUnlockedUserIdsLocked.add(user.getUserIdentifier()); |
| } |
| } |
| |
| private class Stub extends IAppSearchManager.Stub { |
| @Override |
| public void setSchema( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull List<Bundle> schemaBundles, |
| @NonNull List<String> schemasNotDisplayedBySystem, |
| @NonNull Map<String, List<Bundle>> schemasPackageAccessibleBundles, |
| boolean forceOverride, |
| int schemaVersion, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(databaseName); |
| Preconditions.checkNotNull(schemaBundles); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| List<AppSearchSchema> schemas = new ArrayList<>(schemaBundles.size()); |
| for (int i = 0; i < schemaBundles.size(); i++) { |
| schemas.add(new AppSearchSchema(schemaBundles.get(i))); |
| } |
| Map<String, List<PackageIdentifier>> schemasPackageAccessible = |
| new ArrayMap<>(schemasPackageAccessibleBundles.size()); |
| for (Map.Entry<String, List<Bundle>> entry : |
| schemasPackageAccessibleBundles.entrySet()) { |
| List<PackageIdentifier> packageIdentifiers = |
| new ArrayList<>(entry.getValue().size()); |
| for (int i = 0; i < entry.getValue().size(); i++) { |
| packageIdentifiers.add(new PackageIdentifier(entry.getValue().get(i))); |
| } |
| schemasPackageAccessible.put(entry.getKey(), packageIdentifiers); |
| } |
| AppSearchImpl impl = mImplInstanceManager.getAppSearchImpl(callingUserId); |
| SetSchemaResponse setSchemaResponse = impl.setSchema( |
| packageName, |
| databaseName, |
| schemas, |
| schemasNotDisplayedBySystem, |
| schemasPackageAccessible, |
| forceOverride, |
| schemaVersion); |
| invokeCallbackOnResult(callback, |
| AppSearchResult.newSuccessfulResult(setSchemaResponse.getBundle())); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void getSchema( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(databaseName); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| GetSchemaResponse response = impl.getSchema(packageName, databaseName); |
| invokeCallbackOnResult( |
| callback, AppSearchResult.newSuccessfulResult(response.getBundle())); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void getNamespaces( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(databaseName); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| List<String> namespaces = impl.getNamespaces(packageName, databaseName); |
| invokeCallbackOnResult(callback, AppSearchResult.newSuccessfulResult(namespaces)); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void putDocuments( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull List<Bundle> documentBundles, |
| @UserIdInt int userId, |
| @NonNull IAppSearchBatchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(databaseName); |
| Preconditions.checkNotNull(documentBundles); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchBatchResult.Builder<String, Void> resultBuilder = |
| new AppSearchBatchResult.Builder<>(); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| for (int i = 0; i < documentBundles.size(); i++) { |
| GenericDocument document = new GenericDocument(documentBundles.get(i)); |
| try { |
| // TODO(b/173451571): reduce burden of binder thread by enqueue request onto |
| // a separate thread. |
| impl.putDocument(packageName, databaseName, document, /*logger=*/ null); |
| resultBuilder.setSuccess(document.getUri(), /*result=*/ null); |
| } catch (Throwable t) { |
| resultBuilder.setResult(document.getUri(), throwableToFailedResult(t)); |
| } |
| } |
| invokeCallbackOnResult(callback, resultBuilder.build()); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void getDocuments( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull String namespace, |
| @NonNull List<String> uris, |
| @NonNull Map<String, List<String>> typePropertyPaths, |
| @UserIdInt int userId, |
| @NonNull IAppSearchBatchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(databaseName); |
| Preconditions.checkNotNull(namespace); |
| Preconditions.checkNotNull(uris); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchBatchResult.Builder<String, Bundle> resultBuilder = |
| new AppSearchBatchResult.Builder<>(); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| for (int i = 0; i < uris.size(); i++) { |
| String uri = uris.get(i); |
| try { |
| GenericDocument document = |
| impl.getDocument( |
| packageName, |
| databaseName, |
| namespace, |
| uri, |
| typePropertyPaths); |
| resultBuilder.setSuccess(uri, document.getBundle()); |
| } catch (Throwable t) { |
| resultBuilder.setResult(uri, throwableToFailedResult(t)); |
| } |
| } |
| invokeCallbackOnResult(callback, resultBuilder.build()); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| // TODO(sidchhabra): Do this in a threadpool. |
| @Override |
| public void query( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull String queryExpression, |
| @NonNull Bundle searchSpecBundle, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(databaseName); |
| Preconditions.checkNotNull(queryExpression); |
| Preconditions.checkNotNull(searchSpecBundle); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| SearchResultPage searchResultPage = |
| impl.query( |
| packageName, |
| databaseName, |
| queryExpression, |
| new SearchSpec(searchSpecBundle)); |
| invokeCallbackOnResult( |
| callback, |
| AppSearchResult.newSuccessfulResult(searchResultPage.getBundle())); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void globalQuery( |
| @NonNull String packageName, |
| @NonNull String queryExpression, |
| @NonNull Bundle searchSpecBundle, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(queryExpression); |
| Preconditions.checkNotNull(searchSpecBundle); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| SearchResultPage searchResultPage = |
| impl.globalQuery( |
| queryExpression, |
| new SearchSpec(searchSpecBundle), |
| packageName, |
| callingUid); |
| invokeCallbackOnResult( |
| callback, |
| AppSearchResult.newSuccessfulResult(searchResultPage.getBundle())); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void getNextPage( |
| long nextPageToken, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| // TODO(b/162450968) check nextPageToken is being advanced by the same uid as originally |
| // opened it |
| try { |
| verifyUserUnlocked(callingUserId); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| SearchResultPage searchResultPage = impl.getNextPage(nextPageToken); |
| invokeCallbackOnResult( |
| callback, |
| AppSearchResult.newSuccessfulResult(searchResultPage.getBundle())); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void invalidateNextPageToken(long nextPageToken, @UserIdInt int userId) { |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| impl.invalidateNextPageToken(nextPageToken); |
| } catch (Throwable t) { |
| Log.e(TAG, "Unable to invalidate the query page token", t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void writeQueryResultsToFile( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull ParcelFileDescriptor fileDescriptor, |
| @NonNull String queryExpression, |
| @NonNull Bundle searchSpecBundle, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| // we don't need to append the file. The file is always brand new. |
| try (DataOutputStream outputStream = new DataOutputStream( |
| new FileOutputStream(fileDescriptor.getFileDescriptor()))) { |
| SearchResultPage searchResultPage = impl.query( |
| packageName, |
| databaseName, |
| queryExpression, |
| new SearchSpec(searchSpecBundle)); |
| while (!searchResultPage.getResults().isEmpty()) { |
| for (int i = 0; i < searchResultPage.getResults().size(); i++) { |
| AppSearchMigrationHelper.writeBundleToOutputStream( |
| outputStream, searchResultPage.getResults().get(i) |
| .getGenericDocument().getBundle()); |
| } |
| searchResultPage = impl.getNextPage(searchResultPage.getNextPageToken()); |
| } |
| } |
| invokeCallbackOnResult(callback, AppSearchResult.newSuccessfulResult(null)); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void putDocumentsFromFile( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull ParcelFileDescriptor fileDescriptor, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| |
| GenericDocument document; |
| ArrayList<Bundle> migrationFailureBundles = new ArrayList<>(); |
| try (DataInputStream inputStream = new DataInputStream( |
| new FileInputStream(fileDescriptor.getFileDescriptor()))) { |
| while (true) { |
| try { |
| document = AppSearchMigrationHelper |
| .readDocumentFromInputStream(inputStream); |
| } catch (EOFException e) { |
| // nothing wrong, we just finish the reading. |
| break; |
| } |
| try { |
| impl.putDocument(packageName, databaseName, document, /*logger=*/ null); |
| } catch (Throwable t) { |
| migrationFailureBundles.add( |
| new SetSchemaResponse.MigrationFailure.Builder() |
| .setNamespace(document.getNamespace()) |
| .setSchemaType(document.getSchemaType()) |
| .setUri(document.getUri()) |
| .setAppSearchResult( |
| AppSearchResult.throwableToFailedResult(t)) |
| .build().getBundle()); |
| } |
| } |
| } |
| impl.persistToDisk(); |
| invokeCallbackOnResult(callback, |
| AppSearchResult.newSuccessfulResult(migrationFailureBundles)); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void reportUsage( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull String namespace, |
| @NonNull String uri, |
| long usageTimeMillis, |
| boolean systemUsage, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| Objects.requireNonNull(databaseName); |
| Objects.requireNonNull(namespace); |
| Objects.requireNonNull(uri); |
| Objects.requireNonNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| |
| if (systemUsage) { |
| // TODO(b/183031844): Validate that the call comes from the system |
| } |
| |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| impl.reportUsage( |
| packageName, databaseName, namespace, uri, |
| usageTimeMillis, systemUsage); |
| invokeCallbackOnResult( |
| callback, AppSearchResult.newSuccessfulResult(/*result=*/ null)); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void removeByUri( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull String namespace, |
| @NonNull List<String> uris, |
| @UserIdInt int userId, |
| @NonNull IAppSearchBatchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(databaseName); |
| Preconditions.checkNotNull(uris); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchBatchResult.Builder<String, Void> resultBuilder = |
| new AppSearchBatchResult.Builder<>(); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| for (int i = 0; i < uris.size(); i++) { |
| String uri = uris.get(i); |
| try { |
| impl.remove(packageName, databaseName, namespace, uri); |
| resultBuilder.setSuccess(uri, /*result= */ null); |
| } catch (Throwable t) { |
| resultBuilder.setResult(uri, throwableToFailedResult(t)); |
| } |
| } |
| invokeCallbackOnResult(callback, resultBuilder.build()); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void removeByQuery( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @NonNull String queryExpression, |
| @NonNull Bundle searchSpecBundle, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(databaseName); |
| Preconditions.checkNotNull(queryExpression); |
| Preconditions.checkNotNull(searchSpecBundle); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| impl.removeByQuery( |
| packageName, |
| databaseName, |
| queryExpression, |
| new SearchSpec(searchSpecBundle)); |
| invokeCallbackOnResult(callback, AppSearchResult.newSuccessfulResult(null)); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void getStorageInfo( |
| @NonNull String packageName, |
| @NonNull String databaseName, |
| @UserIdInt int userId, |
| @NonNull IAppSearchResultCallback callback) { |
| Preconditions.checkNotNull(packageName); |
| Preconditions.checkNotNull(databaseName); |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| verifyCallingPackage(callingUid, packageName); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| StorageInfo storageInfo = impl.getStorageInfoForDatabase(packageName, databaseName); |
| Bundle storageInfoBundle = storageInfo.getBundle(); |
| invokeCallbackOnResult( |
| callback, AppSearchResult.newSuccessfulResult(storageInfoBundle)); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void persistToDisk(@UserIdInt int userId) { |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| AppSearchImpl impl = |
| mImplInstanceManager.getAppSearchImpl(callingUserId); |
| impl.persistToDisk(); |
| } catch (Throwable t) { |
| Log.e(TAG, "Unable to persist the data to disk", t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| @Override |
| public void initialize(@UserIdInt int userId, @NonNull IAppSearchResultCallback callback) { |
| Preconditions.checkNotNull(callback); |
| int callingUid = Binder.getCallingUid(); |
| int callingUserId = handleIncomingUser(userId, callingUid); |
| final long callingIdentity = Binder.clearCallingIdentity(); |
| try { |
| verifyUserUnlocked(callingUserId); |
| mImplInstanceManager.getOrCreateAppSearchImpl(mContext, callingUserId); |
| invokeCallbackOnResult(callback, AppSearchResult.newSuccessfulResult(null)); |
| } catch (Throwable t) { |
| invokeCallbackOnError(callback, t); |
| } finally { |
| Binder.restoreCallingIdentity(callingIdentity); |
| } |
| } |
| |
| private void verifyUserUnlocked(int callingUserId) { |
| synchronized (mUnlockedUserIdsLocked) { |
| // First, check the local copy. |
| if (mUnlockedUserIdsLocked.contains(callingUserId)) { |
| return; |
| } |
| // If the local copy says the user is locked, check with UM for the actual state, |
| // since the user might just have been unlocked. |
| if (!mUserManager.isUserUnlockingOrUnlocked(UserHandle.of(callingUserId))) { |
| throw new IllegalStateException( |
| "User " + callingUserId + " is locked or not running."); |
| } |
| } |
| } |
| |
| private void verifyCallingPackage(int callingUid, @NonNull String callingPackage) { |
| Preconditions.checkNotNull(callingPackage); |
| if (mPackageManagerInternal.getPackageUid( |
| callingPackage, /*flags=*/ 0, UserHandle.getUserId(callingUid)) |
| != callingUid) { |
| throw new SecurityException( |
| "Specified calling package [" |
| + callingPackage |
| + "] does not match the calling uid " |
| + callingUid); |
| } |
| } |
| |
| /** Invokes the {@link IAppSearchResultCallback} with the result. */ |
| private void invokeCallbackOnResult( |
| IAppSearchResultCallback callback, AppSearchResult<?> result) { |
| try { |
| callback.onResult(result); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Unable to send result to the callback", e); |
| } |
| } |
| |
| /** Invokes the {@link IAppSearchBatchResultCallback} with the result. */ |
| private void invokeCallbackOnResult( |
| IAppSearchBatchResultCallback callback, AppSearchBatchResult<?, ?> result) { |
| try { |
| callback.onResult(result); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Unable to send result to the callback", e); |
| } |
| } |
| |
| /** |
| * Invokes the {@link IAppSearchResultCallback} with an throwable. |
| * |
| * <p>The throwable is convert to a {@link AppSearchResult}; |
| */ |
| private void invokeCallbackOnError(IAppSearchResultCallback callback, Throwable throwable) { |
| try { |
| callback.onResult(throwableToFailedResult(throwable)); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Unable to send result to the callback", e); |
| } |
| } |
| |
| /** |
| * Invokes the {@link IAppSearchBatchResultCallback} with an unexpected internal throwable. |
| * |
| * <p>The throwable is converted to {@link ParcelableException}. |
| */ |
| private void invokeCallbackOnError( |
| IAppSearchBatchResultCallback callback, Throwable throwable) { |
| try { |
| //TODO(b/175067650) verify ParcelableException could propagate throwable correctly. |
| callback.onSystemError(new ParcelableException(throwable)); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Unable to send error to the callback", e); |
| } |
| } |
| } |
| |
| // TODO(b/173553485) verifying that the caller has permission to access target user's data |
| // TODO(b/173553485) Handle ACTION_USER_REMOVED broadcast |
| // TODO(b/173553485) Implement SystemService.onUserStopping() |
| private static int handleIncomingUser(@UserIdInt int userId, int callingUid) { |
| int callingPid = Binder.getCallingPid(); |
| return ActivityManager.handleIncomingUser( |
| callingPid, |
| callingUid, |
| userId, |
| /*allowAll=*/ false, |
| /*requireFull=*/ false, |
| /*name=*/ null, |
| /*callerPackage=*/ null); |
| } |
| } |
