| /* |
| * Copyright 2017 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.server.net.watchlist; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotEquals; |
| |
| import android.content.Context; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import com.android.internal.util.HexDump; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| |
| /** |
| * runtest frameworks-services -c com.android.server.net.watchlist.WatchlistSettingsTests |
| */ |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class WatchlistSettingsTests { |
| |
| private static final String TEST_XML_1 = "NetworkWatchlistTest/watchlist_settings_test1.xml"; |
| private static final String TEST_XML_2 = "NetworkWatchlistTest/watchlist_settings_test2.xml"; |
| private static final String HARD_CODED_SECRET_KEY = "1234567890ABCDEF1234567890ABCDEF" |
| + "1234567890ABCDEF1234567890ABCDEF1234567890ABCDEF1234567890ABCDEF"; |
| |
| private Context mContext; |
| private File mTestXmlFile; |
| |
| @Before |
| public void setUp() throws Exception { |
| mContext = InstrumentationRegistry.getContext(); |
| mTestXmlFile = new File(mContext.getFilesDir(), "test_settings_config.xml"); |
| mTestXmlFile.delete(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| mTestXmlFile.delete(); |
| } |
| |
| @Test |
| public void testWatchlistSettings_parsing() throws Exception { |
| copyWatchlistSettingsXml(mContext, TEST_XML_1, mTestXmlFile); |
| WatchlistSettings settings = new WatchlistSettings(mTestXmlFile); |
| assertEquals(HARD_CODED_SECRET_KEY, HexDump.toHexString(settings.getPrivacySecretKey())); |
| // Try again. |
| assertEquals(HARD_CODED_SECRET_KEY, HexDump.toHexString(settings.getPrivacySecretKey())); |
| } |
| |
| @Test |
| public void testWatchlistSettings_parsingWithoutKey() throws Exception { |
| copyWatchlistSettingsXml(mContext, TEST_XML_2, mTestXmlFile); |
| WatchlistSettings settings = new WatchlistSettings(mTestXmlFile); |
| final String tmpKey1 = HexDump.toHexString(settings.getPrivacySecretKey()); |
| assertNotEquals(HARD_CODED_SECRET_KEY, tmpKey1); |
| assertEquals(96, tmpKey1.length()); |
| // Try again to make sure it's the same. |
| assertEquals(tmpKey1, HexDump.toHexString(settings.getPrivacySecretKey())); |
| // Create new settings object again to make sure it can get the new saved key. |
| settings = new WatchlistSettings(mTestXmlFile); |
| assertEquals(tmpKey1, HexDump.toHexString(settings.getPrivacySecretKey())); |
| } |
| |
| @Test |
| public void testWatchlistSettings_noExistingXml() throws Exception { |
| WatchlistSettings settings = new WatchlistSettings(mTestXmlFile); |
| final String tmpKey1 = HexDump.toHexString(settings.getPrivacySecretKey()); |
| assertNotEquals(HARD_CODED_SECRET_KEY, tmpKey1); |
| assertEquals(96, tmpKey1.length()); |
| // Try again to make sure it's the same. |
| assertEquals(tmpKey1, HexDump.toHexString(settings.getPrivacySecretKey())); |
| // Create new settings object again to make sure it can get the new saved key. |
| settings = new WatchlistSettings(mTestXmlFile); |
| assertEquals(tmpKey1, HexDump.toHexString(settings.getPrivacySecretKey())); |
| // Delete xml and generate key again, to make sure key is randomly generated. |
| mTestXmlFile.delete(); |
| settings = new WatchlistSettings(mTestXmlFile); |
| final String tmpKey2 = HexDump.toHexString(settings.getPrivacySecretKey()); |
| assertNotEquals(HARD_CODED_SECRET_KEY, tmpKey2); |
| assertNotEquals(tmpKey1, tmpKey2); |
| assertEquals(96, tmpKey2.length()); |
| } |
| |
| private static void copyWatchlistSettingsXml(Context context, String xmlAsset, File outFile) |
| throws IOException { |
| writeToFile(outFile, readAsset(context, xmlAsset)); |
| } |
| |
| private static String readAsset(Context context, String assetPath) throws IOException { |
| final StringBuilder sb = new StringBuilder(); |
| try (BufferedReader br = new BufferedReader( |
| new InputStreamReader( |
| context.getResources().getAssets().open(assetPath)))) { |
| String line; |
| while ((line = br.readLine()) != null) { |
| sb.append(line); |
| sb.append(System.lineSeparator()); |
| } |
| } |
| return sb.toString(); |
| } |
| |
| private static void writeToFile(File path, String content) |
| throws IOException { |
| path.getParentFile().mkdirs(); |
| |
| try (FileWriter writer = new FileWriter(path)) { |
| writer.write(content); |
| } |
| } |
| } |