1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.cts.appdataisolation.appb; 18 19 import static com.android.cts.appdataisolation.common.FileUtils.assertDirDoesNotExist; 20 import static com.android.cts.appdataisolation.common.FileUtils.assertDirIsAccessible; 21 import static com.android.cts.appdataisolation.common.FileUtils.assertDirIsNotAccessible; 22 import static com.android.cts.appdataisolation.common.FileUtils.assertFileIsAccessible; 23 import static com.android.cts.appdataisolation.common.UserUtils.getCurrentUserId; 24 25 import android.content.Context; 26 import android.content.pm.ApplicationInfo; 27 import android.os.UserHandle; 28 29 import androidx.test.filters.SmallTest; 30 import androidx.test.platform.app.InstrumentationRegistry; 31 32 import org.junit.Before; 33 import org.junit.Test; 34 35 @SmallTest 36 public class AppBTests { 37 38 private static final String APPA_PKG = "com.android.cts.appdataisolation.appa"; 39 40 private Context mContext; 41 42 @Before setUp()43 public void setUp() throws Exception { 44 mContext = InstrumentationRegistry.getInstrumentation().getContext(); 45 } 46 47 @Test testCanNotAccessAppADataDir()48 public void testCanNotAccessAppADataDir() { 49 ApplicationInfo applicationInfo = mContext.getApplicationInfo(); 50 assertDirDoesNotExist(replacePackageBWithPackageA(applicationInfo.dataDir)); 51 assertDirDoesNotExist(replacePackageBWithPackageA(applicationInfo.deviceProtectedDataDir)); 52 assertDirDoesNotExist("/data/data/" + APPA_PKG); 53 assertDirDoesNotExist("/data/misc/profiles/cur/" + getCurrentUserId() + "/" 54 + APPA_PKG); 55 assertDirDoesNotExist("/data/misc/profiles/ref/" + APPA_PKG); 56 } 57 58 @Test testCanAccessAppADataDir()59 public void testCanAccessAppADataDir() { 60 ApplicationInfo applicationInfo = mContext.getApplicationInfo(); 61 assertDirIsAccessible(replacePackageBWithPackageA(applicationInfo.dataDir)); 62 assertDirIsAccessible(replacePackageBWithPackageA(applicationInfo.deviceProtectedDataDir)); 63 if (getCurrentUserId() == UserHandle.USER_SYSTEM) { 64 assertDirIsAccessible("/data/data/" + APPA_PKG); 65 } 66 assertFileIsAccessible("/data/misc/profiles/cur/" + getCurrentUserId() + "/" 67 + APPA_PKG + "/primary.prof"); 68 assertDirIsAccessible("/data/misc/profiles/ref/" + APPA_PKG); 69 } 70 71 @Test testCanNotAccessAppAExternalDirs()72 public void testCanNotAccessAppAExternalDirs() { 73 String appAExternalDir = replacePackageBWithPackageA( 74 mContext.getExternalFilesDir("").getParentFile().getAbsolutePath()); 75 String appAObbDir = replacePackageBWithPackageA(mContext.getObbDir().getAbsolutePath()); 76 assertDirDoesNotExist(appAExternalDir); 77 assertDirDoesNotExist(appAObbDir); 78 } 79 80 @Test testCanAccessAppAExternalDirs()81 public void testCanAccessAppAExternalDirs() { 82 String appAExternalDir = replacePackageBWithPackageA( 83 mContext.getExternalFilesDir("").getAbsolutePath()); 84 String appAObbDir = replacePackageBWithPackageA(mContext.getObbDir().getAbsolutePath()); 85 assertDirIsAccessible(appAExternalDir); 86 assertDirIsAccessible(appAObbDir); 87 } 88 replacePackageBWithPackageA(String path)89 private String replacePackageBWithPackageA(String path) { 90 return path.replace(mContext.getPackageName(), APPA_PKG); 91 } 92 93 } 94