From 353cfc1b083b581d10fd5a132bfb83e05e04f618 Mon Sep 17 00:00:00 2001
From: Fan Wu <cechkahn@google.com>
Date: Thu, 2 Jan 2025 11:18:59 +0800
Subject: [PATCH] Check the permission of the callingUid instead of the calling
 package

Bug: 372671447
Test: atest
Flag: EXEMPT bug fix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:e719575e92c1e6bd0b9088663e6c909bccf2b007)
Merged-In: Ib36c0a3ba482bcddd53c2c09409ea818e6f43cad
Change-Id: Ib36c0a3ba482bcddd53c2c09409ea818e6f43cad
---
 .../settings/applications/AppInfoBase.java    | 25 ++++++++++---------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/src/com/android/settings/applications/AppInfoBase.java b/src/com/android/settings/applications/AppInfoBase.java
index 3e91d2d792f..a5f1a1438a2 100644
--- a/src/com/android/settings/applications/AppInfoBase.java
+++ b/src/com/android/settings/applications/AppInfoBase.java
@@ -20,6 +20,7 @@ import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
 
 import android.Manifest;
 import android.app.Activity;
+import android.app.ActivityManager;
 import android.app.Dialog;
 import android.app.admin.DevicePolicyManager;
 import android.app.settings.SettingsEnums;
@@ -33,6 +34,7 @@ import android.content.pm.PackageManager.NameNotFoundException;
 import android.hardware.usb.IUsbManager;
 import android.os.Bundle;
 import android.os.IBinder;
+import android.os.RemoteException;
 import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.UserManager;
@@ -171,20 +173,19 @@ public abstract class AppInfoBase extends SettingsPreferenceFragment
         if (!(activity instanceof SettingsActivity)) {
             return false;
         }
-        final String callingPackageName =
-                ((SettingsActivity) activity).getInitialCallingPackage();
-
-        if (TextUtils.isEmpty(callingPackageName)) {
-            Log.w(TAG, "Not able to get calling package name for permission check");
+        try {
+            int callerUid = ActivityManager.getService().getLaunchedFromUid(
+                    activity.getActivityToken());
+            if (ActivityManager.checkUidPermission(Manifest.permission.INTERACT_ACROSS_USERS_FULL,
+                    callerUid) != PackageManager.PERMISSION_GRANTED) {
+                Log.w(TAG, "Uid " + callerUid + " does not have required permission "
+                        + Manifest.permission.INTERACT_ACROSS_USERS_FULL);
+                return false;
+            }
+            return true;
+        } catch (RemoteException e) {
             return false;
         }
-        if (mPm.checkPermission(Manifest.permission.INTERACT_ACROSS_USERS_FULL, callingPackageName)
-                != PackageManager.PERMISSION_GRANTED) {
-            Log.w(TAG, "Package " + callingPackageName + " does not have required permission "
-                    + Manifest.permission.INTERACT_ACROSS_USERS_FULL);
-            return false;
-        }
-        return true;
     }
 
     protected void setIntentAndFinish(boolean appChanged) {