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Commit b1fa029b authored by Hui Yu's avatar Hui Yu Committed by Android (Google) Code Review
Browse files

Merge "Create a white list to allow while-in-use permission in FGS."

parents 3a67ac7f af766934

services/core/java/com/android/server/am/ActiveServices.java

+24 −0
Original line number Diff line number Diff line
@@ -79,6 +79,7 @@ import android.os.SystemProperties; 
import android.os.TransactionTooLargeException;

import android.os.UserHandle;

import android.provider.Settings;

import android.text.TextUtils;

import android.util.ArrayMap;

import android.util.ArraySet;

import android.util.EventLog;
@@ -187,6 +188,9 @@ public final class ActiveServices { 


    AppWidgetManagerInternal mAppWidgetManagerInternal;



    // white listed packageName.

    ArraySet<String> mWhiteListAllowWhileInUsePermissionInFgs = new ArraySet<>();



    final Runnable mLastAnrDumpClearer = new Runnable() {

        @Override public void run() {

            synchronized (mAm) {
@@ -389,6 +393,20 @@ public final class ActiveServices { 
        AppStateTracker ast = LocalServices.getService(AppStateTracker.class);

        ast.addListener(new ForcedStandbyListener());

        mAppWidgetManagerInternal = LocalServices.getService(AppWidgetManagerInternal.class);

        setWhiteListAllowWhileInUsePermissionInFgs();

    }



    private void setWhiteListAllowWhileInUsePermissionInFgs() {

        final String attentionServicePackageName =

                mAm.mContext.getPackageManager().getAttentionServicePackageName();

        if (!TextUtils.isEmpty(attentionServicePackageName)) {

            mWhiteListAllowWhileInUsePermissionInFgs.add(attentionServicePackageName);

        }

        final String systemCaptionsServicePackageName =

                mAm.mContext.getPackageManager().getSystemCaptionsServicePackageName();

        if (!TextUtils.isEmpty(systemCaptionsServicePackageName)) {

            mWhiteListAllowWhileInUsePermissionInFgs.add(systemCaptionsServicePackageName);

        }

    }



    ServiceRecord getServiceByNameLocked(ComponentName name, int callingUser) {
@@ -4634,6 +4652,12 @@ public final class ActiveServices { 
            return true;

        }



        final boolean isWhiteListedPackage =

                mWhiteListAllowWhileInUsePermissionInFgs.contains(callingPackage);

        if (isWhiteListedPackage) {

            return true;

        }



        r.mInfoDenyWhileInUsePermissionInFgs =

                "Background FGS start while-in-use permission restriction [callingPackage: "

                + callingPackage

services/core/java/com/android/server/am/ActivityManagerConstants.java

+43 −3
Original line number Diff line number Diff line
@@ -19,12 +19,16 @@ package com.android.server.am; 
import static com.android.server.am.ActivityManagerDebugConfig.DEBUG_POWER_QUICK;



import android.app.ActivityThread;

import android.content.ComponentName;

import android.content.ContentResolver;

import android.content.Context;

import android.content.pm.UserInfo;

import android.database.ContentObserver;

import android.net.Uri;

import android.os.Build;

import android.os.Handler;

import android.os.UserHandle;

import android.os.UserManager;

import android.provider.DeviceConfig;

import android.provider.DeviceConfig.OnPropertiesChangedListener;

import android.provider.DeviceConfig.Properties;
@@ -33,6 +37,7 @@ import android.text.TextUtils; 
import android.util.ArraySet;

import android.util.KeyValueListParser;

import android.util.Slog;

import android.util.SparseArray;



import java.io.PrintWriter;

import java.util.Arrays;
@@ -289,6 +294,12 @@ final class ActivityManagerConstants extends ContentObserver { 
    // started, the restriction is on while-in-use permissions.)

    volatile boolean mFlagBackgroundFgsStartRestrictionEnabled = true;



    /**

     * UserId to Assistant ComponentName mapping.

     * Per user Assistant ComponentName is from {@link android.provider.Settings.Secure#ASSISTANT}

     */

    SparseArray<ComponentName> mAssistants = new SparseArray<>();



    private final ActivityManagerService mService;

    private ContentResolver mResolver;

    private final KeyValueListParser mParser = new KeyValueListParser(',');
@@ -364,6 +375,8 @@ final class ActivityManagerConstants extends ContentObserver { 
                Settings.Global.getUriFor(

                        Settings.Global.FOREGROUND_SERVICE_STARTS_LOGGING_ENABLED);



    private static final Uri ASSISTANT_URI = Settings.Secure.getUriFor(Settings.Secure.ASSISTANT);



    private static final Uri ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS_URI =

            Settings.Global.getUriFor(Settings.Global.ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS);
@@ -430,6 +443,8 @@ final class ActivityManagerConstants extends ContentObserver { 
        mResolver.registerContentObserver(ACTIVITY_STARTS_LOGGING_ENABLED_URI, false, this);

        mResolver.registerContentObserver(FOREGROUND_SERVICE_STARTS_LOGGING_ENABLED_URI,

                false, this);

        mResolver.registerContentObserver(ASSISTANT_URI, false, this,

                UserHandle.USER_ALL);

        if (mSystemServerAutomaticHeapDumpEnabled) {

            mResolver.registerContentObserver(ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS_URI,

                    false, this);
@@ -445,6 +460,7 @@ final class ActivityManagerConstants extends ContentObserver { 
        // The following read from Settings.

        updateActivityStartsLoggingEnabled();

        updateForegroundServiceStartsLoggingEnabled();

        updateAssistant();

    }



    private void loadDeviceConfigConstants() {
@@ -476,6 +492,8 @@ final class ActivityManagerConstants extends ContentObserver { 
            updateForegroundServiceStartsLoggingEnabled();

        } else if (ENABLE_AUTOMATIC_SYSTEM_SERVER_HEAP_DUMPS_URI.equals(uri)) {

            updateEnableAutomaticSystemServerHeapDumps();

        } else if (ASSISTANT_URI.equals(uri)) {

            updateAssistant();

        }

    }
@@ -573,6 +591,31 @@ final class ActivityManagerConstants extends ContentObserver { 
                Settings.Global.FOREGROUND_SERVICE_STARTS_LOGGING_ENABLED, 1) == 1;

    }



    private void updateAssistant() {

        final List<UserInfo> users =

                mService.mContext.getSystemService(UserManager.class).getUsers();

        SparseArray<ComponentName> componentNames = new SparseArray<>();

        for (int i = 0; i < users.size(); i++) {

            final int userId = users.get(i).id;

            final String str = Settings.Secure.getStringForUser(mResolver,

                    Settings.Secure.ASSISTANT, userId);

            if (!TextUtils.isEmpty(str)) {

                componentNames.put(userId, ComponentName.unflattenFromString(str));

            }

        }

        synchronized (mService) {

            for (int i = 0; i < mAssistants.size(); i++) {

                mService.mServices.mWhiteListAllowWhileInUsePermissionInFgs.remove(

                        mAssistants.valueAt(i).getPackageName());

            }

            mAssistants = componentNames;

            for (int i = 0; i < mAssistants.size(); i++) {

                mService.mServices.mWhiteListAllowWhileInUsePermissionInFgs.add(

                        mAssistants.valueAt(i).getPackageName());

            }

        }

    }



    private void updateBackgroundFgsStartsRestriction() {

        mFlagBackgroundFgsStartRestrictionEnabled = DeviceConfig.getBoolean(

                DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,
@@ -581,9 +624,6 @@ final class ActivityManagerConstants extends ContentObserver { 
    }



    private void updateOomAdjUpdatePolicy() {







        OOMADJ_UPDATE_QUICK = DeviceConfig.getInt(

                DeviceConfig.NAMESPACE_ACTIVITY_MANAGER,

                KEY_OOMADJ_UPDATE_POLICY,