Reset runtime metadata when package data is cleared. (ed618125) · Commits · e / os / android_frameworks_base

core/java/android/app/appfunctions/AppFunctionRuntimeMetadata.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -104,8 +104,8 @@ public class AppFunctionRuntimeMetadata extends GenericDocument {
		/**
		* Creates a parent schema for all app function runtime schemas.
		*
		* <p>This schema should be set visible to the owner itself and for callers with
		* the permission {@link android.permission.EXECUTE_APP_FUNCTIONS}.
		* <p>This schema should be set visible to the owner itself and for callers with the permission
		* {@link android.permission.EXECUTE_APP_FUNCTIONS}.
		*/
		public static AppSearchSchema createParentAppFunctionRuntimeSchema() {
		return getAppFunctionRuntimeSchemaBuilder(RUNTIME_SCHEMA_TYPE).build();

services/appfunctions/java/com/android/server/appfunctions/AppFunctionManagerServiceImpl.java

+32 −14

Original line number	Diff line number	Diff line
		@@ -70,9 +70,11 @@ import android.os.ShellCallback;
		import android.os.UserHandle;
		import android.text.TextUtils;
		import android.util.Slog;
		import android.util.SparseArray;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.content.PackageMonitor;
		import com.android.internal.infra.AndroidFuture;
		import com.android.internal.util.DumpUtils;
		import com.android.server.SystemService.TargetUser;
		@@ -98,6 +100,8 @@ public class AppFunctionManagerServiceImpl extends IAppFunctionManager.Stub {
		private final Map<String, Object> mLocks = new WeakHashMap<>();
		private final AppFunctionsLoggerWrapper mLoggerWrapper;
		private final PackageManagerInternal mPackageManagerInternal;
		// Not Guarded by lock since this is only accessed in main thread.
		private final SparseArray<PackageMonitor> mPackageMonitors = new SparseArray<>();

		public AppFunctionManagerServiceImpl(
		@NonNull Context context, @NonNull PackageManagerInternal packageManagerInternal) {
		@@ -136,6 +140,9 @@ public class AppFunctionManagerServiceImpl extends IAppFunctionManager.Stub {

		registerAppSearchObserver(user);
		trySyncRuntimeMetadata(user);
		PackageMonitor pkgMonitorForUser =
		AppFunctionPackageMonitor.registerPackageMonitorForUser(mContext, user);
		mPackageMonitors.append(user.getUserIdentifier(), pkgMonitorForUser);
		}

		/** Called when the user is stopping. */
		@@ -143,6 +150,12 @@ public class AppFunctionManagerServiceImpl extends IAppFunctionManager.Stub {
		Objects.requireNonNull(user);

		MetadataSyncPerUser.removeUserSyncAdapter(user.getUserHandle());

		int userIdentifier = user.getUserIdentifier();
		if (mPackageMonitors.contains(userIdentifier)) {
		mPackageMonitors.get(userIdentifier).unregister();
		mPackageMonitors.delete(userIdentifier);
		}
		}

		@Override
		@@ -160,8 +173,12 @@ public class AppFunctionManagerServiceImpl extends IAppFunctionManager.Stub {
		}

		@Override
		public void onShellCommand(FileDescriptor in, FileDescriptor out,
		FileDescriptor err, @NonNull String[] args, ShellCallback callback,
		public void onShellCommand(
		FileDescriptor in,
		FileDescriptor out,
		FileDescriptor err,
		@NonNull String[] args,
		ShellCallback callback,
		@NonNull ResultReceiver resultReceiver) {
		new AppFunctionManagerServiceShellCommand(this)
		.exec(this, in, out, err, args, callback, resultReceiver);
		@@ -252,7 +269,8 @@ public class AppFunctionManagerServiceImpl extends IAppFunctionManager.Stub {
		.thenCompose(
		canExecuteResult -> {
		if (canExecuteResult == CAN_EXECUTE_APP_FUNCTIONS_DENIED) {
		return AndroidFuture.failedFuture(new SecurityException(
		return AndroidFuture.failedFuture(
		new SecurityException(
		"Caller does not have permission to execute the"
		+ " appfunction"));
		}

services/appfunctions/java/com/android/server/appfunctions/AppFunctionPackageMonitor.java

0 → 100644

+145 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2025 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.appfunctions;

		import android.annotation.MainThread;
		import android.annotation.NonNull;
		import android.app.appfunctions.AppFunctionRuntimeMetadata;
		import android.app.appsearch.AppSearchManager;
		import android.app.appsearch.PutDocumentsRequest;
		import android.app.appsearch.SearchResult;
		import android.app.appsearch.SearchSpec;
		import android.content.Context;
		import android.os.HandlerThread;
		import android.os.Process;
		import android.os.UserHandle;
		import android.util.Slog;

		import com.android.internal.content.PackageMonitor;
		import com.android.server.SystemService;

		import java.util.ArrayList;
		import java.util.List;
		import java.util.Objects;

		/**
		* Monitors package events and manages {@link AppFunctionRuntimeMetadata} entries stored in
		* AppSearch when package data is cleared.
		*/
		public class AppFunctionPackageMonitor extends PackageMonitor {
		private static final String TAG = AppFunctionPackageMonitor.class.getSimpleName();
		private static final HandlerThread BACKGROUND_HANDLER_THREAD =
		new HandlerThread(TAG + "-HandlerThread", Process.THREAD_PRIORITY_BACKGROUND);

		private final AppSearchManager mAppSearchManager;

		/**
		* Creates a new AppFunctionPackageMonitor instance.
		*
		* @param context The context used to retrieve {@link AppSearchManager}.
		* @param userHandle The user whose package events should be monitored.
		*/
		public AppFunctionPackageMonitor(@NonNull Context context, @NonNull UserHandle userHandle) {
		super(/* supportsPackageRestartQuery= */ true);
		mAppSearchManager =
		context.createContextAsUser(userHandle, /* flags= */ 0)
		.getSystemService(AppSearchManager.class);
		}

		/**
		* Callback triggered when an app's data is cleared. This will attempt to find all {@link
		* AppFunctionRuntimeMetadata} entries associated with the given package and reset them in
		* AppSearch.
		*
		* @param packageName The name of the package whose data was cleared.
		* @param uid The UID of the package.
		*/
		@Override
		public void onPackageDataCleared(String packageName, int uid) {
		String packageQuery =
		AppFunctionRuntimeMetadata.PROPERTY_PACKAGE_NAME + ":\"" + packageName + "\"";
		SearchSpec runtimeSearchSpec =
		new SearchSpec.Builder()
		.addFilterSchemas(AppFunctionRuntimeMetadata.RUNTIME_SCHEMA_TYPE)
		.setVerbatimSearchEnabled(true)
		.build();
		AppSearchManager.SearchContext searchContext =
		new AppSearchManager.SearchContext.Builder(
		AppFunctionRuntimeMetadata.APP_FUNCTION_RUNTIME_METADATA_DB)
		.build();

		try (FutureAppSearchSession searchSession =
		new FutureAppSearchSessionImpl(mAppSearchManager, Runnable::run, searchContext)) {
		List<AppFunctionRuntimeMetadata> updatedRuntimeMetadataList = new ArrayList<>();

		try (FutureSearchResults futureSearchResults =
		searchSession.search(packageQuery, runtimeSearchSpec).get()) {

		List<SearchResult> results;
		do {
		results = futureSearchResults.getNextPage().get();
		for (SearchResult result : results) {
		String functionId =
		result.getGenericDocument()
		.getPropertyString(
		AppFunctionRuntimeMetadata.PROPERTY_FUNCTION_ID);
		updatedRuntimeMetadataList.add(
		new AppFunctionRuntimeMetadata.Builder(
		packageName, Objects.requireNonNull(functionId))
		.build());
		}
		} while (!results.isEmpty());

		PutDocumentsRequest putRequest =
		new PutDocumentsRequest.Builder()
		.addGenericDocuments(updatedRuntimeMetadataList)
		.build();

		searchSession.put(putRequest).get();
		} catch (Exception e) {
		Slog.e(
		TAG,
		"Unable to reset the AppFunctionRuntimeMetadata when clearing data for "
		+ "package: "
		+ packageName,
		e);
		}
		}
		}

		/**
		* Registers a {@link AppFunctionPackageMonitor} instance for the given user context. This
		* allows it to observe package-related events and react accordingly.
		*
		* @param context The base context.
		* @param user The target user whose package events should be monitored.
		*/
		@MainThread
		public static PackageMonitor registerPackageMonitorForUser(
		@NonNull Context context, @NonNull SystemService.TargetUser user) {
		AppFunctionPackageMonitor monitor =
		new AppFunctionPackageMonitor(context, user.getUserHandle());

		if (BACKGROUND_HANDLER_THREAD.getState() == Thread.State.NEW) {
		BACKGROUND_HANDLER_THREAD.start();
		}

		monitor.register(
		context, user.getUserHandle(), BACKGROUND_HANDLER_THREAD.getThreadHandler());
		return monitor;
		}
		}