Merge "Init BackgroundInstallControlService" (5d574815) · Commits · e / os / android_frameworks_base

core/java/android/content/Context.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -5201,6 +5201,15 @@ public abstract class Context {
		*/
		public static final String DROPBOX_SERVICE = "dropbox";

		/**
		* System service name for BackgroundInstallControlService. This service supervises the MBAs
		* on device and provides the related metadata of the MBAs.
		*
		* @hide
		*/
		@SuppressLint("ServiceName")
		public static final String BACKGROUND_INSTALL_CONTROL_SERVICE = "background_install_control";

		/**
		* System service name for BinaryTransparencyService. This is used to retrieve measurements
		* pertaining to various pre-installed and system binaries on device for the purposes of

core/java/android/content/pm/IBackgroundInstallControlService.aidl

0 → 100644

+26 −0

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		/*
		* Copyright (C) 2022 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 android.content.pm;

		import android.content.pm.ParceledListSlice;

		/**
		* {@hide}
		*/
		interface IBackgroundInstallControlService {
		ParceledListSlice getBackgroundInstalledPackages(long flags, int userId);
		}

services/core/java/com/android/server/pm/BackgroundInstallControlService.java

0 → 100644

+130 −0

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		/*
		* Copyright (C) 2022 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.pm;

		import android.annotation.NonNull;
		import android.content.Context;
		import android.content.pm.IBackgroundInstallControlService;
		import android.content.pm.IPackageManager;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.ParceledListSlice;
		import android.os.IBinder;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.util.SparseArrayMap;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.server.SystemService;

		/**
		* @hide
		*/
		public class BackgroundInstallControlService extends SystemService {
		private static final String TAG = "BackgroundInstallControlService";

		private final Context mContext;
		private final BinderService mBinderService;
		private final IPackageManager mIPackageManager;

		// User ID -> package name -> time diff
		// The time diff between the last foreground activity installer and
		// the "onPackageAdded" function call.
		private final SparseArrayMap<String, Long> mBackgroundInstalledPackages =
		new SparseArrayMap<>();

		public BackgroundInstallControlService(@NonNull Context context) {
		this(new InjectorImpl(context));
		}

		@VisibleForTesting
		BackgroundInstallControlService(@NonNull Injector injector) {
		super(injector.getContext());
		mContext = injector.getContext();
		mIPackageManager = injector.getIPackageManager();
		mBinderService = new BinderService(this);
		}

		private static final class BinderService extends IBackgroundInstallControlService.Stub {
		final BackgroundInstallControlService mService;

		BinderService(BackgroundInstallControlService service) {
		mService = service;
		}

		@Override
		public ParceledListSlice<PackageInfo> getBackgroundInstalledPackages(
		@PackageManager.PackageInfoFlagsBits long flags, int userId) {
		ParceledListSlice<PackageInfo> packages;
		try {
		packages = mService.mIPackageManager.getInstalledPackages(flags, userId);
		} catch (RemoteException e) {
		throw new IllegalStateException("Package manager not available", e);
		}

		// TODO(b/244216300): to enable the test the usage by BinaryTransparencyService,
		// we currently comment out the actual implementation.
		// The fake implementation is just to filter out the first app of the list.
		// for (int i = 0, size = packages.getList().size(); i < size; i++) {
		// String packageName = packages.getList().get(i).packageName;
		// if (!mBackgroundInstalledPackages.contains(userId, packageName) {
		// packages.getList().remove(i);
		// }
		// }
		if (packages.getList().size() > 0) {
		packages.getList().remove(0);
		}
		return packages;
		}
		}

		/**
		* Called when the system service should publish a binder service using
		* {@link #publishBinderService(String, IBinder).}
		*/
		@Override
		public void onStart() {
		publishBinderService(Context.BACKGROUND_INSTALL_CONTROL_SERVICE, mBinderService);
		}

		/**
		* Dependency injector for {@link #BackgroundInstallControlService)}.
		*/
		interface Injector {
		Context getContext();

		IPackageManager getIPackageManager();
		}

		private static final class InjectorImpl implements Injector {
		private final Context mContext;

		InjectorImpl(Context context) {
		mContext = context;
		}

		@Override
		public Context getContext() {
		return mContext;
		}

		@Override
		public IPackageManager getIPackageManager() {
		return IPackageManager.Stub.asInterface(ServiceManager.getService("package"));
		}
		}
		}

services/java/com/android/server/SystemServer.java

+5 −0

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		@@ -154,6 +154,7 @@ import com.android.server.os.SchedulingPolicyService;
		import com.android.server.people.PeopleService;
		import com.android.server.pm.ApexManager;
		import com.android.server.pm.ApexSystemServiceInfo;
		import com.android.server.pm.BackgroundInstallControlService;
		import com.android.server.pm.CrossProfileAppsService;
		import com.android.server.pm.DataLoaderManagerService;
		import com.android.server.pm.DynamicCodeLoggingService;
		@@ -2469,6 +2470,10 @@ public final class SystemServer implements Dumpable {
		t.traceBegin("StartMediaMetricsManager");
		mSystemServiceManager.startService(MediaMetricsManagerService.class);
		t.traceEnd();

		t.traceBegin("StartBackgroundInstallControlService");
		mSystemServiceManager.startService(BackgroundInstallControlService.class);
		t.traceEnd();
		}

		t.traceBegin("StartMediaProjectionManager");