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Commit 3cb67dff authored by Bookatz's avatar Bookatz
Browse files

Wellbeing app can enable QUIET_MODE 

The designated Wellbeing app now has permission
to toggle the "quiet mode" of a profile.

Additionally, callers can only toggle the quiet mode
of a userId that is of the same profile group as the caller
(unless the caller has MANAGE_PERMISSIONS).

Test: manual
Bug: 140485433
Change-Id: Ie6253799b97113aff7d364f8cf9214c69252f704
parent bbf394bf

core/res/AndroidManifest.xml

+2 −2
Original line number Diff line number Diff line
@@ -4504,9 +4504,9 @@ 
        android:protectionLevel="signature" />



    <!-- @SystemApi Allows an application to turn on / off quiet mode.

         @hide <p>Not for use by third-party applications. -->

         @hide -->

    <permission android:name="android.permission.MODIFY_QUIET_MODE"

                android:protectionLevel="signature|privileged" />

                android:protectionLevel="signature|privileged|wellbeing" />



    <!-- Allows internal management of the camera framework

         @hide -->

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

+9 −3
Original line number Diff line number Diff line
@@ -861,7 +861,7 @@ public class UserManagerService extends IUserManager.Stub { 
                    "target should only be specified when we are disabling quiet mode.");

        }



        ensureCanModifyQuietMode(callingPackage, Binder.getCallingUid(), target != null);

        ensureCanModifyQuietMode(callingPackage, Binder.getCallingUid(), userId, target != null);

        final long identity = Binder.clearCallingIdentity();

        try {

            boolean result = false;
@@ -893,13 +893,15 @@ public class UserManagerService extends IUserManager.Stub { 
     *     <li>Has system UID or root UID</li>

     *     <li>Has {@link Manifest.permission#MODIFY_QUIET_MODE}</li>

     *     <li>Has {@link Manifest.permission#MANAGE_USERS}</li>

     *     <li>Is the foreground default launcher app</li>

     * </ul>

     * <p>

     * If caller wants to start an intent after disabling the quiet mode, it must has

     * If caller wants to start an intent after disabling the quiet mode, or if it is targeting a

     * user in a different profile group from the caller, it must have

     * {@link Manifest.permission#MANAGE_USERS}.

     */

    private void ensureCanModifyQuietMode(String callingPackage, int callingUid,

            boolean startIntent) {

            @UserIdInt int targetUserId, boolean startIntent) {

        if (hasManageUsersPermission()) {

            return;

        }
@@ -907,6 +909,10 @@ public class UserManagerService extends IUserManager.Stub { 
            throw new SecurityException("MANAGE_USERS permission is required to start intent "

                    + "after disabling quiet mode.");

        }

        if (!isSameProfileGroupNoChecks(UserHandle.getUserId(callingUid), targetUserId)) {

            throw new SecurityException("MANAGE_USERS permission is required to modify quiet mode "

                    + "for a different profile group.");

        }

        final boolean hasModifyQuietModePermission = hasPermissionGranted(

                Manifest.permission.MODIFY_QUIET_MODE, callingUid);

        if (hasModifyQuietModePermission) {