Merge "Intercept chooser intents to use unbundled chooser (when enabled)" into... (4316da7c) · Commits · e / os / android_frameworks_base

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

0 → 100644

+126 −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 static com.android.server.wm.ActivityInterceptorCallback.INTENT_RESOLVER_ORDERED_ID;

		import android.Manifest;
		import android.annotation.Nullable;
		import android.annotation.RequiresPermission;
		import android.app.ActivityTaskManager;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		import android.content.res.Resources;
		import android.os.RemoteException;
		import android.provider.DeviceConfig;
		import android.util.Slog;

		import com.android.internal.R;
		import com.android.internal.config.sysui.SystemUiDeviceConfigFlags;
		import com.android.server.LocalServices;
		import com.android.server.wm.ActivityInterceptorCallback;
		import com.android.server.wm.ActivityInterceptorCallback.ActivityInterceptorInfo;
		import com.android.server.wm.ActivityTaskManagerInternal;

		/**
		* Service to register an {@code ActivityInterceptorCallback} that modifies any {@code Intent}
		* that's being used to launch a user-space {@code ChooserActivity}, by adding
		* EXTRA_PERMISSION_TOKEN, a Binder representing a single-use-only permission to invoke the
		* #startActivityAsCaller() API (which normally isn't available in user-space); and setting the
		* destination component to the delegated component when appropriate.
		*/
		public final class IntentResolverInterceptor {
		private static final String TAG = "IntentResolverIntercept";

		private final Context mContext;
		private boolean mUseDelegateChooser;

		private final ActivityInterceptorCallback mActivityInterceptorCallback =
		new ActivityInterceptorCallback() {
		@Nullable
		@Override
		public ActivityInterceptResult intercept(ActivityInterceptorInfo info) {
		if (mUseDelegateChooser && isChooserActivity(info)) {
		return new ActivityInterceptResult(
		modifyChooserIntent(info.intent),
		info.checkedOptions);
		}
		return null;
		}
		};

		public IntentResolverInterceptor(Context context) {
		mContext = context;
		}

		/**
		* Start listening for intents and USE_DELEGATE_CHOOSER property changes.
		*/
		@RequiresPermission(Manifest.permission.READ_DEVICE_CONFIG)
		public void registerListeners() {
		LocalServices.getService(ActivityTaskManagerInternal.class)
		.registerActivityStartInterceptor(INTENT_RESOLVER_ORDERED_ID,
		mActivityInterceptorCallback);

		DeviceConfig.addOnPropertiesChangedListener(DeviceConfig.NAMESPACE_SYSTEMUI,
		mContext.getMainExecutor(), properties -> updateUseDelegateChooser());
		updateUseDelegateChooser();
		}

		@RequiresPermission(Manifest.permission.READ_DEVICE_CONFIG)
		private void updateUseDelegateChooser() {
		mUseDelegateChooser = DeviceConfig.getBoolean(
		DeviceConfig.NAMESPACE_SYSTEMUI,
		SystemUiDeviceConfigFlags.USE_DELEGATE_CHOOSER,
		false);
		}

		private Intent modifyChooserIntent(Intent intent) {
		intent.setComponent(getUnbundledChooserComponentName());
		addStartActivityPermissionTokenToIntent(intent, getUnbundledChooserComponentName());
		return intent;
		}

		private static boolean isChooserActivity(ActivityInterceptorInfo info) {
		ComponentName targetComponent = new ComponentName(info.aInfo.packageName, info.aInfo.name);

		return targetComponent.equals(getSystemChooserComponentName())
		\|\| targetComponent.equals(getUnbundledChooserComponentName());
		}

		private static Intent addStartActivityPermissionTokenToIntent(
		Intent intent, ComponentName grantee) {
		try {
		intent.putExtra(
		ActivityTaskManager.EXTRA_PERMISSION_TOKEN,
		ActivityTaskManager.getService().requestStartActivityPermissionToken(grantee));
		} catch (RemoteException e) {
		Slog.w(TAG, "Failed to add permission token to chooser intent");
		}
		return intent;
		}

		private static ComponentName getSystemChooserComponentName() {
		return new ComponentName("android", "com.android.internal.app.ChooserActivity");
		}

		private static ComponentName getUnbundledChooserComponentName() {
		return ComponentName.unflattenFromString(
		Resources.getSystem().getString(R.string.config_chooserActivity));
		}
		}

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

+10 −0

Original line number	Diff line number	Diff line
		@@ -959,6 +959,7 @@ public class PackageManagerService extends IPackageManager.Stub
		private final ResolveIntentHelper mResolveIntentHelper;
		private final DexOptHelper mDexOptHelper;
		private final SuspendPackageHelper mSuspendPackageHelper;
		private final IntentResolverInterceptor mIntentResolverInterceptor;

		/**
		* Invalidate the package info cache, which includes updating the cached computer.
		@@ -1713,6 +1714,8 @@ public class PackageManagerService extends IPackageManager.Stub

		mSharedLibraries.setDeletePackageHelper(mDeletePackageHelper);

		mIntentResolverInterceptor = null;

		registerObservers(false);
		invalidatePackageInfoCache();
		}
		@@ -2241,6 +2244,8 @@ public class PackageManagerService extends IPackageManager.Stub

		mServiceStartWithDelay = SystemClock.uptimeMillis() + (60 * 1000L);

		mIntentResolverInterceptor = new IntentResolverInterceptor(mContext);

		Slog.i(TAG, "Fix for b/169414761 is applied");
		}

		@@ -6398,6 +6403,11 @@ public class PackageManagerService extends IPackageManager.Stub

		// Prune unused static shared libraries which have been cached a period of time
		schedulePruneUnusedStaticSharedLibraries(false /* delay */);

		// TODO(b/222706900): Remove this intent interceptor before T launch
		if (mIntentResolverInterceptor != null) {
		mIntentResolverInterceptor.registerListeners();
		}
		}

		/**

services/core/java/com/android/server/wm/ActivityInterceptorCallback.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -58,6 +58,7 @@ public abstract class ActivityInterceptorCallback {
		@IntDef(suffix = { "_ORDERED_ID" }, value = {
		FIRST_ORDERED_ID,
		PERMISSION_POLICY_ORDERED_ID,
		INTENT_RESOLVER_ORDERED_ID,
		VIRTUAL_DEVICE_SERVICE_ORDERED_ID,
		LAST_ORDERED_ID // Update this when adding new ids
		})
		@@ -74,6 +75,11 @@ public abstract class ActivityInterceptorCallback {
		*/
		public static final int PERMISSION_POLICY_ORDERED_ID = 1;

		/**
		* The identifier for {@link com.android.server.pm.IntentResolverInterceptor}.
		*/
		public static final int INTENT_RESOLVER_ORDERED_ID = 2;

		/**
		* The identifier for {@link com.android.server.companion.virtual.VirtualDeviceManagerService}
		* interceptor.