hostsidetests/securitybulletin/test-apps/CVE-2022-20223/src/android/security/cts/CVE_2022_20223/DeviceTest.java

/*
 * Copyright (C) 2022 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 android.security.cts.CVE_2022_20223;

import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;
import static org.junit.Assert.assertFalse;
import static org.junit.Assume.assumeNoException;
import static org.junit.Assume.assumeTrue;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Resources;
import android.os.Bundle;
import android.provider.Settings;
import android.telecom.TelecomManager;

import androidx.test.runner.AndroidJUnit4;
import androidx.test.uiautomator.By;
import androidx.test.uiautomator.BySelector;
import androidx.test.uiautomator.UiDevice;
import androidx.test.uiautomator.Until;

import org.junit.Test;
import org.junit.runner.RunWith;

@RunWith(AndroidJUnit4.class)
public class DeviceTest {
    private static final int TIMEOUT_MS = 20000;
    private UiDevice mDevice;
    private Context mContext;

    private String getDefaultDialerPackage() {
        TelecomManager telecomManager = mContext.getSystemService(TelecomManager.class);
        return telecomManager.getSystemDialerPackage();
    }

    // Wait for UiObject to appear and click on the UiObject if it is visible
    private boolean clickUiObject(BySelector selector) {
        boolean objectFound = mDevice.wait(Until.hasObject(selector), TIMEOUT_MS);
        if (objectFound) {
            mDevice.findObject(selector).click();
        }
        return objectFound;
    }

    @Test
    public void testAppRestrictionsFragment() {
        try {
            mDevice = UiDevice.getInstance(getInstrumentation());
            mContext = getInstrumentation().getContext();

            Intent intent = new Intent(Settings.ACTION_USER_SETTINGS);
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
            mContext.startActivity(intent);

            BySelector selector = By.text(mContext.getString(R.string.userName));
            assumeTrue(
                    mContext.getString(R.string.timedOutMsg, mContext.getString(R.string.userName)),
                    clickUiObject(selector));

            String settingsPackageName =
                    intent.resolveActivity(mContext.getPackageManager()).getPackageName();
            Context settingsContext = mContext.createPackageContext(settingsPackageName,
                    Context.CONTEXT_IGNORE_SECURITY);
            Resources res = settingsContext.getPackageManager()
                    .getResourcesForApplication(settingsPackageName);
            String text = settingsContext
                    .getString(res.getIdentifier(mContext.getString(R.string.textResId),
                            mContext.getString(R.string.resType), settingsPackageName));
            selector = By.text(text);
            assumeTrue(mContext.getString(R.string.timedOutMsg, text), clickUiObject(selector));

            selector = By.res(mContext.getString(R.string.appSettingsIconResId));
            assumeTrue(
                    mContext.getString(R.string.timedOutMsg,
                            mContext.getString(R.string.appSettingsIconResId)),
                    clickUiObject(selector));

            assertFalse(mContext.getString(R.string.testFailMsg),
                    mDevice.wait(Until.hasObject(By.pkg(getDefaultDialerPackage())), TIMEOUT_MS));
        } catch (Exception e) {
            assumeNoException(e);
        } finally {
            try {
                SharedPreferences sharedPrefs = mContext.getSharedPreferences(
                        mContext.getString(R.string.sharedPreferences), Context.MODE_APPEND);
                String assumptionFailure =
                        sharedPrefs.getString(mContext.getString(R.string.messageKey), null);
                assumeTrue(assumptionFailure, assumptionFailure == null);
            } catch (Exception e) {
                assumeNoException(e);
            }
        }
    }
}