| /* |
| * Copyright (C) 2009 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.cts.appaccessdata; |
| |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| |
| import android.test.AndroidTestCase; |
| |
| /** |
| * Test that another app's private data cannot be accessed. |
| * |
| * Assumes that {@link APP_WITH_DATA_PKG} has already created the private data. |
| */ |
| public class AccessPrivateDataTest extends AndroidTestCase { |
| |
| /** |
| * The Android package name of the application that owns the private data |
| */ |
| private static final String APP_WITH_DATA_PKG = "com.android.cts.appwithdata"; |
| |
| /** |
| * Name of private file to access. This must match the name of the file created by |
| * {@link APP_WITH_DATA_PKG}. |
| */ |
| private static final String PRIVATE_FILE_NAME = "private_file.txt"; |
| |
| /** |
| * Tests that another app's private file cannot be accessed |
| * @throws IOException |
| */ |
| public void testAccessPrivateData() throws IOException { |
| try { |
| // construct the absolute file path to the app's private file |
| String privateFilePath = String.format("/data/data/%s/%s", APP_WITH_DATA_PKG, |
| PRIVATE_FILE_NAME); |
| FileInputStream inputStream = new FileInputStream(privateFilePath); |
| inputStream.read(); |
| inputStream.close(); |
| fail("Was able to access another app's private data"); |
| } catch (FileNotFoundException e) { |
| // expected |
| } catch (SecurityException e) { |
| // also valid |
| } |
| } |
| } |