Checks cross user permission before handling intent

import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;

import android.Manifest;

import android.app.Activity;

import android.app.Dialog;

import android.app.admin.DevicePolicyManager;

import android.text.TextUtils;

import android.util.Log;

import androidx.annotation.VisibleForTesting;

import androidx.appcompat.app.AlertDialog;

import androidx.fragment.app.DialogFragment;

import androidx.fragment.app.Fragment;

            }

        }

        if (intent != null && intent.hasExtra(Intent.EXTRA_USER_HANDLE)) {

            mUserId = ((UserHandle) intent.getParcelableExtra(

                    Intent.EXTRA_USER_HANDLE)).getIdentifier();

            mUserId = ((UserHandle) intent.getParcelableExtra(Intent.EXTRA_USER_HANDLE))

                    .getIdentifier();

            if (mUserId != UserHandle.myUserId() && !hasInteractAcrossUsersPermission()) {

                Log.w(TAG, "Intent not valid.");

                finish();

                return "";

            }

        } else {

            mUserId = UserHandle.myUserId();

        }

        return mPackageName;

    }

    @VisibleForTesting

    protected boolean hasInteractAcrossUsersPermission() {

        Activity activity = getActivity();

        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");

            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) {

        Log.i(TAG, "appChanged=" + appChanged);

        Intent intent = new Intent();

/*

 * Copyright (C) 2023 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.settings.applications.appcompat;

import static com.android.settings.applications.appcompat.UserAspectRatioDetails.KEY_PREF_3_2;

import static com.android.settings.applications.appcompat.UserAspectRatioDetails.KEY_PREF_DEFAULT;

import static org.mockito.ArgumentMatchers.any;

import static org.mockito.ArgumentMatchers.anyInt;

import static org.mockito.Mockito.spy;

import static org.mockito.Mockito.verify;

import static org.mockito.Mockito.when;

import android.app.IActivityManager;

import android.content.Context;

import android.os.RemoteException;

import androidx.test.core.app.ApplicationProvider;

import com.android.settings.testutils.shadow.ShadowActivityManager;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.mockito.Mock;

import org.mockito.MockitoAnnotations;

import org.robolectric.RobolectricTestRunner;

import org.robolectric.annotation.Config;

/**

 * To run test: atest SettingsRoboTests:UserAspectRatioDetailsTest

 */

@RunWith(RobolectricTestRunner.class)

@Config(shadows = {ShadowActivityManager.class})

public class UserAspectRatioDetailsTest {

    @Mock

    private UserAspectRatioManager mUserAspectRatioManager;

    @Mock

    private IActivityManager mAm;

    private RadioWithImagePreference mRadioButtonPref;

    private Context mContext;

    private UserAspectRatioDetails mFragment;

    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mContext = spy(ApplicationProvider.getApplicationContext());

        mFragment = spy(new UserAspectRatioDetails());

        when(mFragment.getContext()).thenReturn(mContext);

        when(mFragment.getAspectRatioManager()).thenReturn(mUserAspectRatioManager);

        ShadowActivityManager.setService(mAm);

        mRadioButtonPref = new RadioWithImagePreference(mContext);

    }

    @Test

    public void onRadioButtonClicked_prefChange_shouldStopActivity() throws RemoteException {

        // Default was already selected

        mRadioButtonPref.setKey(KEY_PREF_DEFAULT);

        mFragment.onRadioButtonClicked(mRadioButtonPref);

        // Preference changed

        mRadioButtonPref.setKey(KEY_PREF_3_2);

        mFragment.onRadioButtonClicked(mRadioButtonPref);

        // Only triggered once when preference change

        verify(mAm).stopAppForUser(any(), anyInt());

    }

    @Test

    public void onRadioButtonClicked_prefChange_shouldSetAspectRatio() throws RemoteException {

        // Default was already selected

        mRadioButtonPref.setKey(KEY_PREF_DEFAULT);

        mFragment.onRadioButtonClicked(mRadioButtonPref);

        // Preference changed

        mRadioButtonPref.setKey(KEY_PREF_3_2);

        mFragment.onRadioButtonClicked(mRadioButtonPref);

        // Only triggered once when preference changes

        verify(mUserAspectRatioManager).setUserMinAspectRatio(

                any(), anyInt(), anyInt());

    }

}