[AppsFilter] read-only interface for snapshots (8cb3e6aa) · Commits · e / os / android_frameworks_base

core/java/android/util/SparseSetArray.java

+18 −1

Original line number	Diff line number	Diff line
		@@ -21,9 +21,26 @@ package android.util;
		* @hide
		*/
		public class SparseSetArray<T> {
		private final SparseArray<ArraySet<T>> mData = new SparseArray<>();
		private final SparseArray<ArraySet<T>> mData;

		public SparseSetArray() {
		mData = new SparseArray<>();
		}

		/**
		* Copy constructor
		*/
		public SparseSetArray(SparseSetArray<T> src) {
		final int arraySize = src.size();
		mData = new SparseArray<>(arraySize);
		for (int i = 0; i < arraySize; i++) {
		final int key = src.keyAt(i);
		final ArraySet<T> set = src.get(key);
		final int setSize = set.size();
		for (int j = 0; j < setSize; j++) {
		add(key, set.valueAt(j));
		}
		}
		}

		/**

services/core/java/com/android/server/pm/AppsFilter.java→services/core/java/com/android/server/pm/AppsFilterImpl.java

+560 −452

File changed and moved.

Preview size limit exceeded, changes collapsed.

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

0 → 100644

+86 −0

Original line number	Diff line number	Diff line
		/*
		* 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.annotation.Nullable;
		import android.os.Process;
		import android.util.ArrayMap;
		import android.util.SparseArray;

		import com.android.internal.util.function.QuadFunction;
		import com.android.server.pm.parsing.pkg.AndroidPackage;
		import com.android.server.pm.pkg.PackageStateInternal;

		import java.io.PrintWriter;

		/**
		* Read-only interface used by computer and snapshots to query the visibility of packages
		*/
		public interface AppsFilterSnapshot {
		/**
		* Fetches all app Ids that a given setting is currently visible to, per provided user. This
		* only includes UIDs >= {@link Process#FIRST_APPLICATION_UID} as all other UIDs can already see
		* all applications.
		*
		* If the setting is visible to all UIDs, null is returned. If an app is not visible to any
		* applications, the int array will be empty.
		*
		* @param users the set of users that should be evaluated for this calculation
		* @param existingSettings the set of all package settings that currently exist on device
		* @return a SparseArray mapping userIds to a sorted int array of appIds that may view the
		* provided setting or null if the app is visible to all and no allow list should be
		* applied.
		*/
		SparseArray<int[]> getVisibilityAllowList(PackageStateInternal setting, int[] users,
		ArrayMap<String, ? extends PackageStateInternal> existingSettings);

		/**
		* Returns true if the calling package should not be able to see the target package, false if no
		* filtering should be done.
		*
		* @param callingUid the uid of the caller attempting to access a package
		* @param callingSetting the setting attempting to access a package or null if it could not be
		* found
		* @param targetPkgSetting the package being accessed
		* @param userId the user in which this access is being attempted
		*/
		boolean shouldFilterApplication(int callingUid, @Nullable Object callingSetting,
		PackageStateInternal targetPkgSetting, int userId);

		/**
		* Returns whether the querying package is allowed to see the target package.
		*
		* @param querying the querying package
		* @param potentialTarget the package name of the target package
		*/
		boolean canQueryPackage(@NonNull AndroidPackage querying, String potentialTarget);

		/**
		* Dump the packages that are queryable by the querying package.
		*
		* @param pw the output print writer
		* @param filteringAppId the querying package's app ID
		* @param dumpState the state of the dumping
		* @param users the users for which the packages are installed
		* @param getPackagesForUid the function that produces the package names for given uids
		*/
		void dumpQueries(PrintWriter pw, @Nullable Integer filteringAppId, DumpState dumpState,
		int[] users,
		QuadFunction<Integer, Integer, Integer, Boolean, String[]> getPackagesForUid);

		}

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -348,7 +348,7 @@ public class ComputerEngine implements Computer {
		private final ResolveInfo mInstantAppInstallerInfo;
		private final InstantAppRegistry mInstantAppRegistry;
		private final ApplicationInfo mLocalAndroidApplication;
		private final AppsFilter mAppsFilter;
		private final AppsFilterSnapshot mAppsFilter;
		private final WatchedArrayMap<String, Integer> mFrozenPackages;

		// Immutable service attribute

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

+4 −3

Original line number	Diff line number	Diff line
		@@ -724,7 +724,7 @@ public class PackageManagerService implements PackageSender, TestUtilityService
		}

		@Watched
		final AppsFilter mAppsFilter;
		final AppsFilterImpl mAppsFilter;

		final PackageParser2.Callback mPackageParserCallback;

		@@ -981,7 +981,7 @@ public class PackageManagerService implements PackageSender, TestUtilityService
		public final InstantAppRegistry instantAppRegistry;
		public final ApplicationInfo androidApplication;
		public final String appPredictionServicePackage;
		public final AppsFilter appsFilter;
		public final AppsFilterSnapshot appsFilter;
		public final ComponentResolverApi componentResolver;
		public final PackageManagerService service;
		public final WatchedArrayMap<String, Integer> frozenPackages;
		@@ -1433,7 +1433,8 @@ public class PackageManagerService implements PackageSender, TestUtilityService
		RuntimePermissionsPersistence.createInstance(),
		i.getPermissionManagerServiceInternal(),
		domainVerificationService, lock),
		(i, pm) -> AppsFilter.create(i, i.getLocalService(PackageManagerInternal.class)),
		(i, pm) -> AppsFilterImpl.create(i,
		i.getLocalService(PackageManagerInternal.class)),
		(i, pm) -> (PlatformCompat) ServiceManager.getService("platform_compat"),
		(i, pm) -> SystemConfig.getInstance(),
		(i, pm) -> new PackageDexOptimizer(i.getInstaller(), i.getInstallLock(),