Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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.server; |
| 18 | |
| 19 | import android.content.Context; |
| 20 | import android.content.ContextWrapper; |
| 21 | import android.content.pm.UserInfo; |
| 22 | import android.database.sqlite.SQLiteDatabase; |
| 23 | import android.os.FileUtils; |
| 24 | import android.os.UserManager; |
| 25 | import android.test.AndroidTestCase; |
| 26 | |
| 27 | import java.io.File; |
| 28 | import java.util.ArrayList; |
| 29 | import java.util.Arrays; |
| 30 | import java.util.List; |
| 31 | import java.util.concurrent.CountDownLatch; |
| 32 | |
| 33 | public class LockSettingsStorageTests extends AndroidTestCase { |
| 34 | LockSettingsStorage mStorage; |
| 35 | File mStorageDir; |
| 36 | |
| 37 | private File mDb; |
| 38 | |
| 39 | @Override |
| 40 | protected void setUp() throws Exception { |
| 41 | super.setUp(); |
| 42 | mStorageDir = new File(getContext().getFilesDir(), "locksettings"); |
| 43 | mDb = getContext().getDatabasePath("locksettings.db"); |
| 44 | |
| 45 | assertTrue(mStorageDir.exists() || mStorageDir.mkdirs()); |
| 46 | assertTrue(FileUtils.deleteContents(mStorageDir)); |
| 47 | assertTrue(!mDb.exists() || mDb.delete()); |
| 48 | |
| 49 | final Context ctx = getContext(); |
| 50 | setContext(new ContextWrapper(ctx) { |
| 51 | @Override |
| 52 | public Object getSystemService(String name) { |
| 53 | if (USER_SERVICE.equals(name)) { |
| 54 | return new UserManager(ctx, null) { |
| 55 | @Override |
| 56 | public UserInfo getProfileParent(int userHandle) { |
| 57 | if (userHandle == 2) { |
| 58 | // User 2 is a profile of user 1. |
| 59 | return new UserInfo(1, "name", 0); |
| 60 | } |
| 61 | if (userHandle == 3) { |
| 62 | // User 3 is a profile of user 0. |
| 63 | return new UserInfo(0, "name", 0); |
| 64 | } |
| 65 | return null; |
| 66 | } |
| 67 | }; |
| 68 | } |
| 69 | return super.getSystemService(name); |
| 70 | } |
| 71 | }); |
| 72 | |
| 73 | mStorage = new LockSettingsStorage(getContext(), new LockSettingsStorage.Callback() { |
| 74 | @Override |
| 75 | public void initialize(SQLiteDatabase db) { |
| 76 | mStorage.writeKeyValue(db, "initializedKey", "initialValue", 0); |
| 77 | } |
| 78 | }) { |
| 79 | @Override |
| 80 | String getLockPatternFilename(int userId) { |
| 81 | return new File(mStorageDir, |
| 82 | super.getLockPatternFilename(userId).replace('/', '-')).getAbsolutePath(); |
| 83 | } |
| 84 | |
| 85 | @Override |
| 86 | String getLockPasswordFilename(int userId) { |
| 87 | return new File(mStorageDir, |
| 88 | super.getLockPasswordFilename(userId).replace('/', '-')).getAbsolutePath(); |
| 89 | } |
| 90 | }; |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | protected void tearDown() throws Exception { |
| 95 | super.tearDown(); |
| 96 | mStorage.closeDatabase(); |
| 97 | } |
| 98 | |
| 99 | public void testKeyValue_InitializeWorked() { |
| 100 | assertEquals("initialValue", mStorage.readKeyValue("initializedKey", "default", 0)); |
| 101 | mStorage.clearCache(); |
| 102 | assertEquals("initialValue", mStorage.readKeyValue("initializedKey", "default", 0)); |
| 103 | } |
| 104 | |
| 105 | public void testKeyValue_WriteThenRead() { |
| 106 | mStorage.writeKeyValue("key", "value", 0); |
| 107 | assertEquals("value", mStorage.readKeyValue("key", "default", 0)); |
| 108 | mStorage.clearCache(); |
| 109 | assertEquals("value", mStorage.readKeyValue("key", "default", 0)); |
| 110 | } |
| 111 | |
| 112 | public void testKeyValue_DefaultValue() { |
| 113 | assertEquals("default", mStorage.readKeyValue("unititialized key", "default", 0)); |
| 114 | assertEquals("default2", mStorage.readKeyValue("unititialized key", "default2", 0)); |
| 115 | } |
| 116 | |
| 117 | public void testKeyValue_Concurrency() { |
| 118 | final Object monitor = new Object(); |
| 119 | List<Thread> threads = new ArrayList<>(); |
| 120 | for (int i = 0; i < 100; i++) { |
| 121 | final int threadId = i; |
| 122 | threads.add(new Thread() { |
| 123 | @Override |
| 124 | public void run() { |
| 125 | synchronized (monitor) { |
| 126 | try { |
| 127 | monitor.wait(); |
| 128 | } catch (InterruptedException e) { |
| 129 | return; |
| 130 | } |
| 131 | mStorage.writeKeyValue("key", "1 from thread " + threadId, 0); |
| 132 | mStorage.readKeyValue("key", "default", 0); |
| 133 | mStorage.writeKeyValue("key", "2 from thread " + threadId, 0); |
| 134 | mStorage.readKeyValue("key", "default", 0); |
| 135 | mStorage.writeKeyValue("key", "3 from thread " + threadId, 0); |
| 136 | mStorage.readKeyValue("key", "default", 0); |
| 137 | mStorage.writeKeyValue("key", "4 from thread " + threadId, 0); |
| 138 | mStorage.readKeyValue("key", "default", 0); |
| 139 | mStorage.writeKeyValue("key", "5 from thread " + threadId, 0); |
| 140 | mStorage.readKeyValue("key", "default", 0); |
| 141 | } |
| 142 | } |
| 143 | }); |
| 144 | threads.get(i).start(); |
| 145 | } |
| 146 | mStorage.writeKeyValue("key", "initalValue", 0); |
| 147 | synchronized (monitor) { |
| 148 | monitor.notifyAll(); |
| 149 | } |
| 150 | for (int i = 0; i < threads.size(); i++) { |
| 151 | try { |
| 152 | threads.get(i).join(); |
| 153 | } catch (InterruptedException e) { |
| 154 | } |
| 155 | } |
| 156 | assertEquals('5', mStorage.readKeyValue("key", "default", 0).charAt(0)); |
| 157 | mStorage.clearCache(); |
| 158 | assertEquals('5', mStorage.readKeyValue("key", "default", 0).charAt(0)); |
| 159 | } |
| 160 | |
| 161 | public void testKeyValue_CacheStarvedWriter() { |
| 162 | final CountDownLatch latch = new CountDownLatch(1); |
| 163 | List<Thread> threads = new ArrayList<>(); |
| 164 | for (int i = 0; i < 100; i++) { |
| 165 | final int threadId = i; |
| 166 | threads.add(new Thread() { |
| 167 | @Override |
| 168 | public void run() { |
| 169 | try { |
| 170 | latch.await(); |
| 171 | } catch (InterruptedException e) { |
| 172 | return; |
| 173 | } |
| 174 | if (threadId == 50) { |
| 175 | mStorage.writeKeyValue("starvedWriterKey", "value", 0); |
| 176 | } else { |
| 177 | mStorage.readKeyValue("starvedWriterKey", "default", 0); |
| 178 | } |
| 179 | } |
| 180 | }); |
| 181 | threads.get(i).start(); |
| 182 | } |
| 183 | latch.countDown(); |
| 184 | for (int i = 0; i < threads.size(); i++) { |
| 185 | try { |
| 186 | threads.get(i).join(); |
| 187 | } catch (InterruptedException e) { |
| 188 | } |
| 189 | } |
| 190 | String cached = mStorage.readKeyValue("key", "default", 0); |
| 191 | mStorage.clearCache(); |
| 192 | String storage = mStorage.readKeyValue("key", "default", 0); |
| 193 | assertEquals("Cached value didn't match stored value", storage, cached); |
| 194 | } |
| 195 | |
| 196 | public void testRemoveUser() { |
| 197 | mStorage.writeKeyValue("key", "value", 0); |
| 198 | mStorage.writePasswordHash(new byte[]{1}, 0); |
| 199 | mStorage.writePatternHash(new byte[]{2}, 0); |
| 200 | |
| 201 | mStorage.writeKeyValue("key", "value", 1); |
| 202 | mStorage.writePasswordHash(new byte[]{1}, 1); |
| 203 | mStorage.writePatternHash(new byte[]{2}, 1); |
| 204 | |
| 205 | mStorage.removeUser(0); |
| 206 | |
| 207 | assertEquals("value", mStorage.readKeyValue("key", "default", 1)); |
| 208 | assertEquals("default", mStorage.readKeyValue("key", "default", 0)); |
| 209 | assertNotNull(mStorage.readPasswordHash(1)); |
| 210 | assertNull(mStorage.readPasswordHash(0)); |
| 211 | assertNotNull(mStorage.readPatternHash(1)); |
| 212 | assertNull(mStorage.readPatternHash(0)); |
| 213 | } |
| 214 | |
| 215 | public void testPassword_Default() { |
| 216 | assertNull(mStorage.readPasswordHash(0)); |
| 217 | } |
| 218 | |
| 219 | public void testPassword_Write() { |
| 220 | mStorage.writePasswordHash("thepassword".getBytes(), 0); |
| 221 | |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 222 | assertArrayEquals("thepassword".getBytes(), mStorage.readPasswordHash(0).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 223 | mStorage.clearCache(); |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 224 | assertArrayEquals("thepassword".getBytes(), mStorage.readPasswordHash(0).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | public void testPassword_WriteProfileWritesParent() { |
| 228 | mStorage.writePasswordHash("parentpasswordd".getBytes(), 1); |
| 229 | mStorage.writePasswordHash("profilepassword".getBytes(), 2); |
| 230 | |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 231 | assertArrayEquals("profilepassword".getBytes(), mStorage.readPasswordHash(1).hash); |
| 232 | assertArrayEquals("profilepassword".getBytes(), mStorage.readPasswordHash(2).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 233 | mStorage.clearCache(); |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 234 | assertArrayEquals("profilepassword".getBytes(), mStorage.readPasswordHash(1).hash); |
| 235 | assertArrayEquals("profilepassword".getBytes(), mStorage.readPasswordHash(2).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | public void testPassword_WriteParentWritesProfile() { |
| 239 | mStorage.writePasswordHash("profilepassword".getBytes(), 2); |
| 240 | mStorage.writePasswordHash("parentpasswordd".getBytes(), 1); |
| 241 | |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 242 | assertArrayEquals("parentpasswordd".getBytes(), mStorage.readPasswordHash(1).hash); |
| 243 | assertArrayEquals("parentpasswordd".getBytes(), mStorage.readPasswordHash(2).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 244 | mStorage.clearCache(); |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 245 | assertArrayEquals("parentpasswordd".getBytes(), mStorage.readPasswordHash(1).hash); |
| 246 | assertArrayEquals("parentpasswordd".getBytes(), mStorage.readPasswordHash(2).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | public void testPattern_Default() { |
| 250 | assertNull(mStorage.readPasswordHash(0)); |
| 251 | } |
| 252 | |
| 253 | public void testPattern_Write() { |
| 254 | mStorage.writePatternHash("thepattern".getBytes(), 0); |
| 255 | |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 256 | assertArrayEquals("thepattern".getBytes(), mStorage.readPatternHash(0).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 257 | mStorage.clearCache(); |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 258 | assertArrayEquals("thepattern".getBytes(), mStorage.readPatternHash(0).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 259 | } |
| 260 | |
| 261 | public void testPattern_WriteProfileWritesParent() { |
| 262 | mStorage.writePatternHash("parentpatternn".getBytes(), 1); |
| 263 | mStorage.writePatternHash("profilepattern".getBytes(), 2); |
| 264 | |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 265 | assertArrayEquals("profilepattern".getBytes(), mStorage.readPatternHash(1).hash); |
| 266 | assertArrayEquals("profilepattern".getBytes(), mStorage.readPatternHash(2).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 267 | mStorage.clearCache(); |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 268 | assertArrayEquals("profilepattern".getBytes(), mStorage.readPatternHash(1).hash); |
| 269 | assertArrayEquals("profilepattern".getBytes(), mStorage.readPatternHash(2).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | public void testPattern_WriteParentWritesProfile() { |
| 273 | mStorage.writePatternHash("profilepattern".getBytes(), 2); |
| 274 | mStorage.writePatternHash("parentpatternn".getBytes(), 1); |
| 275 | |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 276 | assertArrayEquals("parentpatternn".getBytes(), mStorage.readPatternHash(1).hash); |
| 277 | assertArrayEquals("parentpatternn".getBytes(), mStorage.readPatternHash(2).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 278 | mStorage.clearCache(); |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 279 | assertArrayEquals("parentpatternn".getBytes(), mStorage.readPatternHash(1).hash); |
| 280 | assertArrayEquals("parentpatternn".getBytes(), mStorage.readPatternHash(2).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 281 | } |
| 282 | |
| 283 | public void testPrefetch() { |
| 284 | mStorage.writeKeyValue("key", "toBeFetched", 0); |
| 285 | mStorage.writePatternHash("pattern".getBytes(), 0); |
| 286 | mStorage.writePasswordHash("password".getBytes(), 0); |
| 287 | |
| 288 | mStorage.clearCache(); |
| 289 | mStorage.prefetchUser(0); |
| 290 | |
| 291 | assertEquals("toBeFetched", mStorage.readKeyValue("key", "default", 0)); |
Andres Morales | 8fa5665 | 2015-03-31 09:19:50 -0700 | [diff] [blame^] | 292 | assertArrayEquals("pattern".getBytes(), mStorage.readPatternHash(0).hash); |
| 293 | assertArrayEquals("password".getBytes(), mStorage.readPasswordHash(0).hash); |
Adrian Roos | e542499 | 2014-11-07 21:47:17 +0100 | [diff] [blame] | 294 | } |
| 295 | |
| 296 | public void testFileLocation_Owner() { |
| 297 | LockSettingsStorage storage = new LockSettingsStorage(getContext(), null); |
| 298 | |
| 299 | assertEquals("/data/system/gesture.key", storage.getLockPatternFilename(0)); |
| 300 | assertEquals("/data/system/password.key", storage.getLockPasswordFilename(0)); |
| 301 | } |
| 302 | |
| 303 | public void testFileLocation_SecondaryUser() { |
| 304 | LockSettingsStorage storage = new LockSettingsStorage(getContext(), null); |
| 305 | |
| 306 | assertEquals("/data/system/users/1/gesture.key", storage.getLockPatternFilename(1)); |
| 307 | assertEquals("/data/system/users/1/password.key", storage.getLockPasswordFilename(1)); |
| 308 | } |
| 309 | |
| 310 | public void testFileLocation_ProfileToSecondary() { |
| 311 | LockSettingsStorage storage = new LockSettingsStorage(getContext(), null); |
| 312 | |
| 313 | assertEquals("/data/system/users/1/gesture.key", storage.getLockPatternFilename(2)); |
| 314 | assertEquals("/data/system/users/1/password.key", storage.getLockPasswordFilename(2)); |
| 315 | } |
| 316 | |
| 317 | public void testFileLocation_ProfileToOwner() { |
| 318 | LockSettingsStorage storage = new LockSettingsStorage(getContext(), null); |
| 319 | |
| 320 | assertEquals("/data/system/gesture.key", storage.getLockPatternFilename(3)); |
| 321 | assertEquals("/data/system/password.key", storage.getLockPasswordFilename(3)); |
| 322 | } |
| 323 | |
| 324 | private static void assertArrayEquals(byte[] expected, byte[] actual) { |
| 325 | if (!Arrays.equals(expected, actual)) { |
| 326 | fail("expected:<" + Arrays.toString(expected) + |
| 327 | "> but was:<" + Arrays.toString(actual) + ">"); |
| 328 | } |
| 329 | } |
| 330 | } |