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Commit eacb8c8a authored by Sergey Volnov's avatar Sergey Volnov
Browse files

Fix content capture not being usable from hotword detector. 

Bug: 194534612
Test: local repro
Change-Id: I58e5c68ea486b4da2f82b9d89440f86a8d507727
parent 6ad35a74

services/contentcapture/java/com/android/server/contentcapture/ContentCaptureManagerService.java

+32 −0
Original line number Diff line number Diff line
@@ -70,6 +70,7 @@ import android.provider.Settings; 
import android.service.contentcapture.ActivityEvent.ActivityEventType;

import android.service.contentcapture.IDataShareCallback;

import android.service.contentcapture.IDataShareReadAdapter;

import android.service.voice.VoiceInteractionManagerInternal;

import android.util.ArraySet;

import android.util.LocalLog;

import android.util.Pair;
@@ -302,6 +303,37 @@ public final class ContentCaptureManagerService extends 
                || super.isDisabledLocked(userId);

    }



    @Override

    protected void assertCalledByPackageOwner(@NonNull String packageName) {

        try {

            super.assertCalledByPackageOwner(packageName);

        } catch (SecurityException e) {

            final int callingUid = Binder.getCallingUid();



            VoiceInteractionManagerInternal.HotwordDetectionServiceIdentity

                    hotwordDetectionServiceIdentity =

                    LocalServices.getService(VoiceInteractionManagerInternal.class)

                            .getHotwordDetectionServiceIdentity();



            if (callingUid != hotwordDetectionServiceIdentity.getIsolatedUid()) {

                super.assertCalledByPackageOwner(packageName);

                return;

            }



            final String[] packages =

                    getContext()

                            .getPackageManager()

                            .getPackagesForUid(hotwordDetectionServiceIdentity.getOwnerUid());

            if (packages != null) {

                for (String candidate : packages) {

                    if (packageName.equals(candidate)) return; // Found it

                }

            }



            throw e;

        }

    }



    private boolean isDisabledBySettingsLocked(@UserIdInt int userId) {

        return mDisabledBySettings != null && mDisabledBySettings.get(userId);

    }

services/contentcapture/java/com/android/server/contentcapture/ContentCapturePerUserService.java

+19 −5
Original line number Diff line number Diff line
@@ -57,6 +57,7 @@ import android.service.contentcapture.FlushMetrics; 
import android.service.contentcapture.IContentCaptureServiceCallback;

import android.service.contentcapture.IDataShareCallback;

import android.service.contentcapture.SnapshotData;

import android.service.voice.VoiceInteractionManagerInternal;

import android.util.ArrayMap;

import android.util.ArraySet;

import android.util.Slog;
@@ -415,6 +416,18 @@ final class ContentCapturePerUserService 
        }

        if (callingUid != packageUid && !LocalServices.getService(ActivityManagerInternal.class)

                .hasRunningActivity(callingUid, packageName)) {



            VoiceInteractionManagerInternal.HotwordDetectionServiceIdentity

                    hotwordDetectionServiceIdentity =

                    LocalServices.getService(VoiceInteractionManagerInternal.class)

                            .getHotwordDetectionServiceIdentity();



            boolean isHotwordDetectionServiceCall =

                    hotwordDetectionServiceIdentity != null

                            && callingUid == hotwordDetectionServiceIdentity.getIsolatedUid()

                            && packageUid == hotwordDetectionServiceIdentity.getOwnerUid();



            if (!isHotwordDetectionServiceCall) {

                final String[] packages = pm.getPackagesForUid(callingUid);

                final String callingPackage = packages != null ? packages[0] : "uid-" + callingUid;

                Slog.w(TAG, "App (package=" + callingPackage + ", UID=" + callingUid
@@ -423,6 +436,7 @@ final class ContentCapturePerUserService 
                throw new SecurityException("Invalid package: " + packageName);

            }

        }

    }



    @GuardedBy("mLock")

    public boolean sendActivityAssistDataLocked(@NonNull IBinder activityToken,

services/core/java/com/android/server/infra/AbstractMasterSystemService.java

+1 −1
Original line number Diff line number Diff line
@@ -744,7 +744,7 @@ public abstract class AbstractMasterSystemService<M extends AbstractMasterSystem 
     *

     * @throws SecurityException when it's not...

     */

    protected final void assertCalledByPackageOwner(@NonNull String packageName) {

    protected void assertCalledByPackageOwner(@NonNull String packageName) {

        Objects.requireNonNull(packageName);

        final int uid = Binder.getCallingUid();

        final String[] packages = getContext().getPackageManager().getPackagesForUid(uid);