Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019 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 | package com.android.server.blob; |
| 17 | |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 18 | import static android.app.blob.BlobStoreManager.COMMIT_RESULT_ERROR; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 19 | import static android.app.blob.BlobStoreManager.COMMIT_RESULT_SUCCESS; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 20 | import static android.app.blob.XmlTags.ATTR_VERSION; |
| 21 | import static android.app.blob.XmlTags.TAG_BLOB; |
| 22 | import static android.app.blob.XmlTags.TAG_BLOBS; |
| 23 | import static android.app.blob.XmlTags.TAG_SESSION; |
| 24 | import static android.app.blob.XmlTags.TAG_SESSIONS; |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 25 | import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; |
| 26 | import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; |
| 27 | import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; |
| 28 | import static android.os.UserHandle.USER_NULL; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 29 | |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 30 | import static com.android.server.blob.BlobStoreConfig.LOGV; |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 31 | import static com.android.server.blob.BlobStoreConfig.SESSION_EXPIRY_TIMEOUT_MILLIS; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 32 | import static com.android.server.blob.BlobStoreConfig.TAG; |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 33 | import static com.android.server.blob.BlobStoreConfig.XML_VERSION_CURRENT; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 34 | import static com.android.server.blob.BlobStoreSession.STATE_ABANDONED; |
| 35 | import static com.android.server.blob.BlobStoreSession.STATE_COMMITTED; |
| 36 | import static com.android.server.blob.BlobStoreSession.STATE_VERIFIED_INVALID; |
| 37 | import static com.android.server.blob.BlobStoreSession.STATE_VERIFIED_VALID; |
| 38 | import static com.android.server.blob.BlobStoreSession.stateToString; |
| 39 | |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 40 | import android.annotation.CurrentTimeSecondsLong; |
| 41 | import android.annotation.IdRes; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 42 | import android.annotation.IntRange; |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 43 | import android.annotation.NonNull; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 44 | import android.annotation.Nullable; |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 45 | import android.annotation.UserIdInt; |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 46 | import android.app.blob.BlobHandle; |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 47 | import android.app.blob.IBlobStoreManager; |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 48 | import android.app.blob.IBlobStoreSession; |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 49 | import android.content.BroadcastReceiver; |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 50 | import android.content.Context; |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 51 | import android.content.Intent; |
| 52 | import android.content.IntentFilter; |
| 53 | import android.content.pm.ApplicationInfo; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 54 | import android.content.pm.PackageManagerInternal; |
Sudheer Shanka | e9232d6 | 2020-01-23 16:55:34 -0800 | [diff] [blame] | 55 | import android.content.pm.PackageStats; |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 56 | import android.content.res.ResourceId; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 57 | import android.os.Binder; |
| 58 | import android.os.Handler; |
| 59 | import android.os.HandlerThread; |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 60 | import android.os.ParcelFileDescriptor; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 61 | import android.os.Process; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 62 | import android.os.RemoteCallback; |
| 63 | import android.os.SystemClock; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 64 | import android.os.UserHandle; |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 65 | import android.os.UserManagerInternal; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 66 | import android.util.ArrayMap; |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 67 | import android.util.ArraySet; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 68 | import android.util.AtomicFile; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 69 | import android.util.ExceptionUtils; |
| 70 | import android.util.LongSparseArray; |
| 71 | import android.util.Slog; |
| 72 | import android.util.SparseArray; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 73 | import android.util.Xml; |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 74 | |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 75 | import com.android.internal.annotations.GuardedBy; |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 76 | import com.android.internal.annotations.VisibleForTesting; |
Sudheer Shanka | b76f766 | 2020-02-27 15:17:43 -0800 | [diff] [blame] | 77 | import com.android.internal.os.BackgroundThread; |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 78 | import com.android.internal.util.CollectionUtils; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 79 | import com.android.internal.util.DumpUtils; |
| 80 | import com.android.internal.util.FastXmlSerializer; |
| 81 | import com.android.internal.util.IndentingPrintWriter; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 82 | import com.android.internal.util.Preconditions; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 83 | import com.android.internal.util.XmlUtils; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 84 | import com.android.internal.util.function.pooled.PooledLambda; |
| 85 | import com.android.server.LocalServices; |
| 86 | import com.android.server.ServiceThread; |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 87 | import com.android.server.SystemService; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 88 | import com.android.server.Watchdog; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 89 | import com.android.server.blob.BlobMetadata.Committer; |
Sudheer Shanka | e9232d6 | 2020-01-23 16:55:34 -0800 | [diff] [blame] | 90 | import com.android.server.usage.StorageStatsManagerInternal; |
| 91 | import com.android.server.usage.StorageStatsManagerInternal.StorageStatsAugmenter; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 92 | |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 93 | import org.xmlpull.v1.XmlPullParser; |
| 94 | import org.xmlpull.v1.XmlSerializer; |
| 95 | |
| 96 | import java.io.File; |
| 97 | import java.io.FileDescriptor; |
| 98 | import java.io.FileInputStream; |
| 99 | import java.io.FileOutputStream; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 100 | import java.io.IOException; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 101 | import java.io.PrintWriter; |
| 102 | import java.nio.charset.StandardCharsets; |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 103 | import java.security.SecureRandom; |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 104 | import java.util.ArrayList; |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 105 | import java.util.Arrays; |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 106 | import java.util.List; |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 107 | import java.util.Objects; |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 108 | import java.util.Random; |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 109 | import java.util.Set; |
Sudheer Shanka | e9232d6 | 2020-01-23 16:55:34 -0800 | [diff] [blame] | 110 | import java.util.concurrent.atomic.AtomicLong; |
| 111 | import java.util.function.Consumer; |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 112 | |
| 113 | /** |
| 114 | * Service responsible for maintaining and facilitating access to data blobs published by apps. |
| 115 | */ |
| 116 | public class BlobStoreManagerService extends SystemService { |
| 117 | |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 118 | private final Object mBlobsLock = new Object(); |
| 119 | |
| 120 | // Contains data of userId -> {sessionId -> {BlobStoreSession}}. |
| 121 | @GuardedBy("mBlobsLock") |
| 122 | private final SparseArray<LongSparseArray<BlobStoreSession>> mSessions = new SparseArray<>(); |
| 123 | |
| 124 | @GuardedBy("mBlobsLock") |
| 125 | private long mCurrentMaxSessionId; |
| 126 | |
| 127 | // Contains data of userId -> {BlobHandle -> {BlobMetadata}} |
| 128 | @GuardedBy("mBlobsLock") |
| 129 | private final SparseArray<ArrayMap<BlobHandle, BlobMetadata>> mBlobsMap = new SparseArray<>(); |
| 130 | |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 131 | // Contains all ids that are currently in use. |
| 132 | @GuardedBy("mBlobsLock") |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 133 | private final ArraySet<Long> mActiveBlobIds = new ArraySet<>(); |
| 134 | // Contains all ids that are currently in use and those that were in use but got deleted in the |
| 135 | // current boot session. |
| 136 | @GuardedBy("mBlobsLock") |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 137 | private final ArraySet<Long> mKnownBlobIds = new ArraySet<>(); |
| 138 | |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 139 | // Random number generator for new session ids. |
| 140 | private final Random mRandom = new SecureRandom(); |
| 141 | |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 142 | private final Context mContext; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 143 | private final Handler mHandler; |
Sudheer Shanka | b76f766 | 2020-02-27 15:17:43 -0800 | [diff] [blame] | 144 | private final Handler mBackgroundHandler; |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 145 | private final Injector mInjector; |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 146 | private final SessionStateChangeListener mSessionStateChangeListener = |
| 147 | new SessionStateChangeListener(); |
| 148 | |
| 149 | private PackageManagerInternal mPackageManagerInternal; |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 150 | |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 151 | private final Runnable mSaveBlobsInfoRunnable = this::writeBlobsInfo; |
| 152 | private final Runnable mSaveSessionsRunnable = this::writeBlobSessions; |
| 153 | |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 154 | public BlobStoreManagerService(Context context) { |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 155 | this(context, new Injector()); |
| 156 | } |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 157 | |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 158 | @VisibleForTesting |
| 159 | BlobStoreManagerService(Context context, Injector injector) { |
| 160 | super(context); |
| 161 | |
| 162 | mContext = context; |
| 163 | mInjector = injector; |
| 164 | mHandler = mInjector.initializeMessageHandler(); |
Sudheer Shanka | b76f766 | 2020-02-27 15:17:43 -0800 | [diff] [blame] | 165 | mBackgroundHandler = mInjector.getBackgroundHandler(); |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | private static Handler initializeMessageHandler() { |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 169 | final HandlerThread handlerThread = new ServiceThread(TAG, |
Sudheer Shanka | b76f766 | 2020-02-27 15:17:43 -0800 | [diff] [blame] | 170 | Process.THREAD_PRIORITY_DEFAULT, true /* allowIo */); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 171 | handlerThread.start(); |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 172 | final Handler handler = new Handler(handlerThread.getLooper()); |
| 173 | Watchdog.getInstance().addThread(handler); |
| 174 | return handler; |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 175 | } |
| 176 | |
| 177 | @Override |
| 178 | public void onStart() { |
| 179 | publishBinderService(Context.BLOB_STORE_SERVICE, new Stub()); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 180 | LocalServices.addService(BlobStoreManagerInternal.class, new LocalService()); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 181 | |
| 182 | mPackageManagerInternal = LocalServices.getService(PackageManagerInternal.class); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 183 | registerReceivers(); |
Sudheer Shanka | e9232d6 | 2020-01-23 16:55:34 -0800 | [diff] [blame] | 184 | LocalServices.getService(StorageStatsManagerInternal.class) |
| 185 | .registerStorageStatsAugmenter(new BlobStorageStatsAugmenter(), TAG); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 186 | } |
| 187 | |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 188 | @Override |
| 189 | public void onBootPhase(int phase) { |
| 190 | if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) { |
| 191 | synchronized (mBlobsLock) { |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 192 | final SparseArray<SparseArray<String>> allPackages = getAllPackages(); |
| 193 | readBlobSessionsLocked(allPackages); |
| 194 | readBlobsInfoLocked(allPackages); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 195 | } |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 196 | } else if (phase == PHASE_BOOT_COMPLETED) { |
| 197 | BlobStoreIdleJobService.schedule(mContext); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 198 | } |
| 199 | } |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 200 | |
| 201 | @GuardedBy("mBlobsLock") |
| 202 | private long generateNextSessionIdLocked() { |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 203 | // Logic borrowed from PackageInstallerService. |
| 204 | int n = 0; |
| 205 | long sessionId; |
| 206 | do { |
| 207 | sessionId = Math.abs(mRandom.nextLong()); |
| 208 | if (mKnownBlobIds.indexOf(sessionId) < 0 && sessionId != 0) { |
| 209 | return sessionId; |
| 210 | } |
| 211 | } while (n++ < 32); |
| 212 | throw new IllegalStateException("Failed to allocate session ID"); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 213 | } |
| 214 | |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 215 | private void registerReceivers() { |
Sudheer Shanka | fd2611e | 2020-03-05 02:18:15 -0800 | [diff] [blame^] | 216 | final IntentFilter packageChangedFilter = new IntentFilter(); |
| 217 | packageChangedFilter.addAction(Intent.ACTION_PACKAGE_FULLY_REMOVED); |
| 218 | packageChangedFilter.addAction(Intent.ACTION_PACKAGE_DATA_CLEARED); |
| 219 | packageChangedFilter.addDataScheme("package"); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 220 | mContext.registerReceiverAsUser(new PackageChangedReceiver(), UserHandle.ALL, |
Sudheer Shanka | fd2611e | 2020-03-05 02:18:15 -0800 | [diff] [blame^] | 221 | packageChangedFilter, null, mHandler); |
| 222 | |
| 223 | final IntentFilter userActionFilter = new IntentFilter(); |
| 224 | userActionFilter.addAction(Intent.ACTION_USER_REMOVED); |
| 225 | mContext.registerReceiverAsUser(new UserActionReceiver(), UserHandle.ALL, |
| 226 | userActionFilter, null, mHandler); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 227 | } |
| 228 | |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 229 | @GuardedBy("mBlobsLock") |
| 230 | private LongSparseArray<BlobStoreSession> getUserSessionsLocked(int userId) { |
| 231 | LongSparseArray<BlobStoreSession> userSessions = mSessions.get(userId); |
| 232 | if (userSessions == null) { |
| 233 | userSessions = new LongSparseArray<>(); |
| 234 | mSessions.put(userId, userSessions); |
| 235 | } |
| 236 | return userSessions; |
| 237 | } |
| 238 | |
| 239 | @GuardedBy("mBlobsLock") |
| 240 | private ArrayMap<BlobHandle, BlobMetadata> getUserBlobsLocked(int userId) { |
| 241 | ArrayMap<BlobHandle, BlobMetadata> userBlobs = mBlobsMap.get(userId); |
| 242 | if (userBlobs == null) { |
| 243 | userBlobs = new ArrayMap<>(); |
| 244 | mBlobsMap.put(userId, userBlobs); |
| 245 | } |
| 246 | return userBlobs; |
| 247 | } |
| 248 | |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 249 | @VisibleForTesting |
| 250 | void addUserSessionsForTest(LongSparseArray<BlobStoreSession> userSessions, int userId) { |
| 251 | synchronized (mBlobsLock) { |
| 252 | mSessions.put(userId, userSessions); |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | @VisibleForTesting |
| 257 | void addUserBlobsForTest(ArrayMap<BlobHandle, BlobMetadata> userBlobs, int userId) { |
| 258 | synchronized (mBlobsLock) { |
| 259 | mBlobsMap.put(userId, userBlobs); |
| 260 | } |
| 261 | } |
| 262 | |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 263 | @VisibleForTesting |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 264 | void addActiveIdsForTest(long... activeIds) { |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 265 | synchronized (mBlobsLock) { |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 266 | for (long id : activeIds) { |
| 267 | addActiveBlobIdLocked(id); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 268 | } |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | @VisibleForTesting |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 273 | Set<Long> getActiveIdsForTest() { |
| 274 | synchronized (mBlobsLock) { |
| 275 | return mActiveBlobIds; |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | @VisibleForTesting |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 280 | Set<Long> getKnownIdsForTest() { |
| 281 | synchronized (mBlobsLock) { |
| 282 | return mKnownBlobIds; |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | @GuardedBy("mBlobsLock") |
| 287 | private void addSessionForUserLocked(BlobStoreSession session, int userId) { |
| 288 | getUserSessionsLocked(userId).put(session.getSessionId(), session); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 289 | addActiveBlobIdLocked(session.getSessionId()); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | @GuardedBy("mBlobsLock") |
| 293 | private void addBlobForUserLocked(BlobMetadata blobMetadata, int userId) { |
| 294 | addBlobForUserLocked(blobMetadata, getUserBlobsLocked(userId)); |
| 295 | } |
| 296 | |
| 297 | @GuardedBy("mBlobsLock") |
| 298 | private void addBlobForUserLocked(BlobMetadata blobMetadata, |
| 299 | ArrayMap<BlobHandle, BlobMetadata> userBlobs) { |
| 300 | userBlobs.put(blobMetadata.getBlobHandle(), blobMetadata); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 301 | addActiveBlobIdLocked(blobMetadata.getBlobId()); |
| 302 | } |
| 303 | |
| 304 | @GuardedBy("mBlobsLock") |
| 305 | private void addActiveBlobIdLocked(long id) { |
| 306 | mActiveBlobIds.add(id); |
| 307 | mKnownBlobIds.add(id); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 308 | } |
| 309 | |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 310 | private long createSessionInternal(BlobHandle blobHandle, |
| 311 | int callingUid, String callingPackage) { |
| 312 | synchronized (mBlobsLock) { |
| 313 | // TODO: throw if there is already an active session associated with blobHandle. |
| 314 | final long sessionId = generateNextSessionIdLocked(); |
| 315 | final BlobStoreSession session = new BlobStoreSession(mContext, |
| 316 | sessionId, blobHandle, callingUid, callingPackage, |
| 317 | mSessionStateChangeListener); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 318 | addSessionForUserLocked(session, UserHandle.getUserId(callingUid)); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 319 | if (LOGV) { |
| 320 | Slog.v(TAG, "Created session for " + blobHandle |
| 321 | + "; callingUid=" + callingUid + ", callingPackage=" + callingPackage); |
| 322 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 323 | writeBlobSessionsAsync(); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 324 | return sessionId; |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | private BlobStoreSession openSessionInternal(long sessionId, |
| 329 | int callingUid, String callingPackage) { |
| 330 | final BlobStoreSession session; |
| 331 | synchronized (mBlobsLock) { |
| 332 | session = getUserSessionsLocked( |
| 333 | UserHandle.getUserId(callingUid)).get(sessionId); |
| 334 | if (session == null || !session.hasAccess(callingUid, callingPackage) |
| 335 | || session.isFinalized()) { |
| 336 | throw new SecurityException("Session not found: " + sessionId); |
| 337 | } |
| 338 | } |
| 339 | session.open(); |
| 340 | return session; |
| 341 | } |
| 342 | |
| 343 | private void deleteSessionInternal(long sessionId, |
| 344 | int callingUid, String callingPackage) { |
| 345 | synchronized (mBlobsLock) { |
| 346 | final BlobStoreSession session = openSessionInternal(sessionId, |
| 347 | callingUid, callingPackage); |
| 348 | session.open(); |
| 349 | session.abandon(); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 350 | if (LOGV) { |
| 351 | Slog.v(TAG, "Deleted session with id " + sessionId |
| 352 | + "; callingUid=" + callingUid + ", callingPackage=" + callingPackage); |
| 353 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 354 | writeBlobSessionsAsync(); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 355 | } |
| 356 | } |
| 357 | |
| 358 | private ParcelFileDescriptor openBlobInternal(BlobHandle blobHandle, int callingUid, |
| 359 | String callingPackage) throws IOException { |
| 360 | synchronized (mBlobsLock) { |
| 361 | final BlobMetadata blobMetadata = getUserBlobsLocked(UserHandle.getUserId(callingUid)) |
| 362 | .get(blobHandle); |
| 363 | if (blobMetadata == null || !blobMetadata.isAccessAllowedForCaller( |
| 364 | callingPackage, callingUid)) { |
| 365 | throw new SecurityException("Caller not allowed to access " + blobHandle |
| 366 | + "; callingUid=" + callingUid + ", callingPackage=" + callingPackage); |
| 367 | } |
| 368 | return blobMetadata.openForRead(callingPackage); |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | private void acquireLeaseInternal(BlobHandle blobHandle, int descriptionResId, |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 373 | CharSequence description, long leaseExpiryTimeMillis, |
| 374 | int callingUid, String callingPackage) { |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 375 | synchronized (mBlobsLock) { |
| 376 | final BlobMetadata blobMetadata = getUserBlobsLocked(UserHandle.getUserId(callingUid)) |
| 377 | .get(blobHandle); |
| 378 | if (blobMetadata == null || !blobMetadata.isAccessAllowedForCaller( |
| 379 | callingPackage, callingUid)) { |
| 380 | throw new SecurityException("Caller not allowed to access " + blobHandle |
| 381 | + "; callingUid=" + callingUid + ", callingPackage=" + callingPackage); |
| 382 | } |
Sudheer Shanka | 51a6c6e | 2020-02-18 17:28:12 -0800 | [diff] [blame] | 383 | if (leaseExpiryTimeMillis != 0 && blobHandle.expiryTimeMillis != 0 |
| 384 | && leaseExpiryTimeMillis > blobHandle.expiryTimeMillis) { |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 385 | throw new IllegalArgumentException( |
| 386 | "Lease expiry cannot be later than blobs expiry time"); |
| 387 | } |
| 388 | blobMetadata.addLeasee(callingPackage, callingUid, |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 389 | descriptionResId, description, leaseExpiryTimeMillis); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 390 | if (LOGV) { |
| 391 | Slog.v(TAG, "Acquired lease on " + blobHandle |
| 392 | + "; callingUid=" + callingUid + ", callingPackage=" + callingPackage); |
| 393 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 394 | writeBlobsInfoAsync(); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 395 | } |
| 396 | } |
| 397 | |
| 398 | private void releaseLeaseInternal(BlobHandle blobHandle, int callingUid, |
| 399 | String callingPackage) { |
| 400 | synchronized (mBlobsLock) { |
| 401 | final BlobMetadata blobMetadata = getUserBlobsLocked(UserHandle.getUserId(callingUid)) |
| 402 | .get(blobHandle); |
| 403 | if (blobMetadata == null || !blobMetadata.isAccessAllowedForCaller( |
| 404 | callingPackage, callingUid)) { |
| 405 | throw new SecurityException("Caller not allowed to access " + blobHandle |
| 406 | + "; callingUid=" + callingUid + ", callingPackage=" + callingPackage); |
| 407 | } |
| 408 | blobMetadata.removeLeasee(callingPackage, callingUid); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 409 | if (LOGV) { |
| 410 | Slog.v(TAG, "Released lease on " + blobHandle |
| 411 | + "; callingUid=" + callingUid + ", callingPackage=" + callingPackage); |
| 412 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 413 | writeBlobsInfoAsync(); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 414 | } |
| 415 | } |
| 416 | |
| 417 | private void verifyCallingPackage(int callingUid, String callingPackage) { |
| 418 | if (mPackageManagerInternal.getPackageUid( |
| 419 | callingPackage, 0, UserHandle.getUserId(callingUid)) != callingUid) { |
| 420 | throw new SecurityException("Specified calling package [" + callingPackage |
| 421 | + "] does not match the calling uid " + callingUid); |
| 422 | } |
| 423 | } |
| 424 | |
| 425 | class SessionStateChangeListener { |
| 426 | public void onStateChanged(@NonNull BlobStoreSession session) { |
| 427 | mHandler.post(PooledLambda.obtainRunnable( |
| 428 | BlobStoreManagerService::onStateChangedInternal, |
Sudheer Shanka | b76f766 | 2020-02-27 15:17:43 -0800 | [diff] [blame] | 429 | BlobStoreManagerService.this, session).recycleOnUse()); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 430 | } |
| 431 | } |
| 432 | |
| 433 | private void onStateChangedInternal(@NonNull BlobStoreSession session) { |
Sudheer Shanka | ab4a8ae | 2020-02-18 15:11:42 -0800 | [diff] [blame] | 434 | switch (session.getState()) { |
| 435 | case STATE_ABANDONED: |
| 436 | case STATE_VERIFIED_INVALID: |
| 437 | session.getSessionFile().delete(); |
| 438 | synchronized (mBlobsLock) { |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 439 | getUserSessionsLocked(UserHandle.getUserId(session.getOwnerUid())) |
| 440 | .remove(session.getSessionId()); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 441 | mActiveBlobIds.remove(session.getSessionId()); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 442 | if (LOGV) { |
| 443 | Slog.v(TAG, "Session is invalid; deleted " + session); |
| 444 | } |
Sudheer Shanka | ab4a8ae | 2020-02-18 15:11:42 -0800 | [diff] [blame] | 445 | } |
| 446 | break; |
| 447 | case STATE_COMMITTED: |
Sudheer Shanka | b76f766 | 2020-02-27 15:17:43 -0800 | [diff] [blame] | 448 | mBackgroundHandler.post(() -> { |
| 449 | session.computeDigest(); |
| 450 | mHandler.post(PooledLambda.obtainRunnable( |
| 451 | BlobStoreSession::verifyBlobData, session).recycleOnUse()); |
| 452 | }); |
Sudheer Shanka | ab4a8ae | 2020-02-18 15:11:42 -0800 | [diff] [blame] | 453 | break; |
| 454 | case STATE_VERIFIED_VALID: |
| 455 | synchronized (mBlobsLock) { |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 456 | final int userId = UserHandle.getUserId(session.getOwnerUid()); |
Sudheer Shanka | ab4a8ae | 2020-02-18 15:11:42 -0800 | [diff] [blame] | 457 | final ArrayMap<BlobHandle, BlobMetadata> userBlobs = getUserBlobsLocked( |
| 458 | userId); |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 459 | BlobMetadata blob = userBlobs.get(session.getBlobHandle()); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 460 | if (blob == null) { |
| 461 | blob = new BlobMetadata(mContext, |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 462 | session.getSessionId(), session.getBlobHandle(), userId); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 463 | addBlobForUserLocked(blob, userBlobs); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 464 | } |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 465 | final Committer newCommitter = new Committer(session.getOwnerPackageName(), |
| 466 | session.getOwnerUid(), session.getBlobAccessMode()); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 467 | final Committer existingCommitter = blob.getExistingCommitter(newCommitter); |
| 468 | blob.addCommitter(newCommitter); |
| 469 | try { |
| 470 | writeBlobsInfoLocked(); |
| 471 | session.sendCommitCallbackResult(COMMIT_RESULT_SUCCESS); |
| 472 | } catch (Exception e) { |
| 473 | blob.addCommitter(existingCommitter); |
| 474 | session.sendCommitCallbackResult(COMMIT_RESULT_ERROR); |
| 475 | } |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 476 | getUserSessionsLocked(UserHandle.getUserId(session.getOwnerUid())) |
| 477 | .remove(session.getSessionId()); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 478 | if (LOGV) { |
| 479 | Slog.v(TAG, "Successfully committed session " + session); |
| 480 | } |
Sudheer Shanka | ab4a8ae | 2020-02-18 15:11:42 -0800 | [diff] [blame] | 481 | } |
| 482 | break; |
| 483 | default: |
| 484 | Slog.wtf(TAG, "Invalid session state: " |
| 485 | + stateToString(session.getState())); |
| 486 | } |
| 487 | synchronized (mBlobsLock) { |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 488 | try { |
| 489 | writeBlobSessionsLocked(); |
| 490 | } catch (Exception e) { |
| 491 | // already logged, ignore. |
| 492 | } |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 493 | } |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 494 | } |
| 495 | |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 496 | @GuardedBy("mBlobsLock") |
| 497 | private void writeBlobSessionsLocked() throws Exception { |
| 498 | final AtomicFile sessionsIndexFile = prepareSessionsIndexFile(); |
| 499 | if (sessionsIndexFile == null) { |
| 500 | Slog.wtf(TAG, "Error creating sessions index file"); |
| 501 | return; |
| 502 | } |
| 503 | FileOutputStream fos = null; |
| 504 | try { |
| 505 | fos = sessionsIndexFile.startWrite(SystemClock.uptimeMillis()); |
| 506 | final XmlSerializer out = new FastXmlSerializer(); |
| 507 | out.setOutput(fos, StandardCharsets.UTF_8.name()); |
| 508 | out.startDocument(null, true); |
| 509 | out.startTag(null, TAG_SESSIONS); |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 510 | XmlUtils.writeIntAttribute(out, ATTR_VERSION, XML_VERSION_CURRENT); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 511 | |
| 512 | for (int i = 0, userCount = mSessions.size(); i < userCount; ++i) { |
| 513 | final LongSparseArray<BlobStoreSession> userSessions = |
| 514 | mSessions.valueAt(i); |
| 515 | for (int j = 0, sessionsCount = userSessions.size(); j < sessionsCount; ++j) { |
| 516 | out.startTag(null, TAG_SESSION); |
| 517 | userSessions.valueAt(j).writeToXml(out); |
| 518 | out.endTag(null, TAG_SESSION); |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | out.endTag(null, TAG_SESSIONS); |
| 523 | out.endDocument(); |
| 524 | sessionsIndexFile.finishWrite(fos); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 525 | if (LOGV) { |
| 526 | Slog.v(TAG, "Finished persisting sessions data"); |
| 527 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 528 | } catch (Exception e) { |
| 529 | sessionsIndexFile.failWrite(fos); |
| 530 | Slog.wtf(TAG, "Error writing sessions data", e); |
| 531 | throw e; |
| 532 | } |
| 533 | } |
| 534 | |
| 535 | @GuardedBy("mBlobsLock") |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 536 | private void readBlobSessionsLocked(SparseArray<SparseArray<String>> allPackages) { |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 537 | if (!BlobStoreConfig.getBlobStoreRootDir().exists()) { |
| 538 | return; |
| 539 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 540 | final AtomicFile sessionsIndexFile = prepareSessionsIndexFile(); |
| 541 | if (sessionsIndexFile == null) { |
| 542 | Slog.wtf(TAG, "Error creating sessions index file"); |
| 543 | return; |
Sudheer Shanka | 9c7eed4 | 2020-02-19 11:45:59 -0800 | [diff] [blame] | 544 | } else if (!sessionsIndexFile.exists()) { |
| 545 | Slog.w(TAG, "Sessions index file not available: " + sessionsIndexFile.getBaseFile()); |
| 546 | return; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 547 | } |
| 548 | |
| 549 | mSessions.clear(); |
| 550 | try (FileInputStream fis = sessionsIndexFile.openRead()) { |
| 551 | final XmlPullParser in = Xml.newPullParser(); |
| 552 | in.setInput(fis, StandardCharsets.UTF_8.name()); |
| 553 | XmlUtils.beginDocument(in, TAG_SESSIONS); |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 554 | final int version = XmlUtils.readIntAttribute(in, ATTR_VERSION); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 555 | while (true) { |
| 556 | XmlUtils.nextElement(in); |
| 557 | if (in.getEventType() == XmlPullParser.END_DOCUMENT) { |
| 558 | break; |
| 559 | } |
| 560 | |
| 561 | if (TAG_SESSION.equals(in.getName())) { |
| 562 | final BlobStoreSession session = BlobStoreSession.createFromXml( |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 563 | in, version, mContext, mSessionStateChangeListener); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 564 | if (session == null) { |
| 565 | continue; |
| 566 | } |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 567 | final SparseArray<String> userPackages = allPackages.get( |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 568 | UserHandle.getUserId(session.getOwnerUid())); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 569 | if (userPackages != null |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 570 | && session.getOwnerPackageName().equals( |
| 571 | userPackages.get(session.getOwnerUid()))) { |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 572 | addSessionForUserLocked(session, |
| 573 | UserHandle.getUserId(session.getOwnerUid())); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 574 | } else { |
| 575 | // Unknown package or the session data does not belong to this package. |
| 576 | session.getSessionFile().delete(); |
| 577 | } |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 578 | mCurrentMaxSessionId = Math.max(mCurrentMaxSessionId, session.getSessionId()); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 579 | } |
| 580 | } |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 581 | if (LOGV) { |
| 582 | Slog.v(TAG, "Finished reading sessions data"); |
| 583 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 584 | } catch (Exception e) { |
| 585 | Slog.wtf(TAG, "Error reading sessions data", e); |
| 586 | } |
| 587 | } |
| 588 | |
| 589 | @GuardedBy("mBlobsLock") |
| 590 | private void writeBlobsInfoLocked() throws Exception { |
| 591 | final AtomicFile blobsIndexFile = prepareBlobsIndexFile(); |
| 592 | if (blobsIndexFile == null) { |
| 593 | Slog.wtf(TAG, "Error creating blobs index file"); |
| 594 | return; |
| 595 | } |
| 596 | FileOutputStream fos = null; |
| 597 | try { |
| 598 | fos = blobsIndexFile.startWrite(SystemClock.uptimeMillis()); |
| 599 | final XmlSerializer out = new FastXmlSerializer(); |
| 600 | out.setOutput(fos, StandardCharsets.UTF_8.name()); |
| 601 | out.startDocument(null, true); |
| 602 | out.startTag(null, TAG_BLOBS); |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 603 | XmlUtils.writeIntAttribute(out, ATTR_VERSION, XML_VERSION_CURRENT); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 604 | |
| 605 | for (int i = 0, userCount = mBlobsMap.size(); i < userCount; ++i) { |
| 606 | final ArrayMap<BlobHandle, BlobMetadata> userBlobs = mBlobsMap.valueAt(i); |
| 607 | for (int j = 0, blobsCount = userBlobs.size(); j < blobsCount; ++j) { |
| 608 | out.startTag(null, TAG_BLOB); |
| 609 | userBlobs.valueAt(j).writeToXml(out); |
| 610 | out.endTag(null, TAG_BLOB); |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | out.endTag(null, TAG_BLOBS); |
| 615 | out.endDocument(); |
| 616 | blobsIndexFile.finishWrite(fos); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 617 | if (LOGV) { |
| 618 | Slog.v(TAG, "Finished persisting blobs data"); |
| 619 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 620 | } catch (Exception e) { |
| 621 | blobsIndexFile.failWrite(fos); |
| 622 | Slog.wtf(TAG, "Error writing blobs data", e); |
| 623 | throw e; |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | @GuardedBy("mBlobsLock") |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 628 | private void readBlobsInfoLocked(SparseArray<SparseArray<String>> allPackages) { |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 629 | if (!BlobStoreConfig.getBlobStoreRootDir().exists()) { |
| 630 | return; |
| 631 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 632 | final AtomicFile blobsIndexFile = prepareBlobsIndexFile(); |
| 633 | if (blobsIndexFile == null) { |
| 634 | Slog.wtf(TAG, "Error creating blobs index file"); |
| 635 | return; |
Sudheer Shanka | 9c7eed4 | 2020-02-19 11:45:59 -0800 | [diff] [blame] | 636 | } else if (!blobsIndexFile.exists()) { |
| 637 | Slog.w(TAG, "Blobs index file not available: " + blobsIndexFile.getBaseFile()); |
| 638 | return; |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 639 | } |
| 640 | |
| 641 | mBlobsMap.clear(); |
| 642 | try (FileInputStream fis = blobsIndexFile.openRead()) { |
| 643 | final XmlPullParser in = Xml.newPullParser(); |
| 644 | in.setInput(fis, StandardCharsets.UTF_8.name()); |
| 645 | XmlUtils.beginDocument(in, TAG_BLOBS); |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 646 | final int version = XmlUtils.readIntAttribute(in, ATTR_VERSION); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 647 | while (true) { |
| 648 | XmlUtils.nextElement(in); |
| 649 | if (in.getEventType() == XmlPullParser.END_DOCUMENT) { |
| 650 | break; |
| 651 | } |
| 652 | |
| 653 | if (TAG_BLOB.equals(in.getName())) { |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 654 | final BlobMetadata blobMetadata = BlobMetadata.createFromXml( |
| 655 | in, version, mContext); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 656 | final SparseArray<String> userPackages = allPackages.get( |
| 657 | blobMetadata.getUserId()); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 658 | if (userPackages == null) { |
| 659 | blobMetadata.getBlobFile().delete(); |
| 660 | } else { |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 661 | addBlobForUserLocked(blobMetadata, blobMetadata.getUserId()); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 662 | blobMetadata.removeInvalidCommitters(userPackages); |
| 663 | blobMetadata.removeInvalidLeasees(userPackages); |
| 664 | } |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 665 | mCurrentMaxSessionId = Math.max(mCurrentMaxSessionId, blobMetadata.getBlobId()); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 666 | } |
| 667 | } |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 668 | if (LOGV) { |
| 669 | Slog.v(TAG, "Finished reading blobs data"); |
| 670 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 671 | } catch (Exception e) { |
| 672 | Slog.wtf(TAG, "Error reading blobs data", e); |
| 673 | } |
| 674 | } |
| 675 | |
| 676 | private void writeBlobsInfo() { |
| 677 | synchronized (mBlobsLock) { |
| 678 | try { |
| 679 | writeBlobsInfoLocked(); |
| 680 | } catch (Exception e) { |
| 681 | // Already logged, ignore |
| 682 | } |
| 683 | } |
| 684 | } |
| 685 | |
| 686 | private void writeBlobsInfoAsync() { |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 687 | if (!mHandler.hasCallbacks(mSaveBlobsInfoRunnable)) { |
| 688 | mHandler.post(mSaveBlobsInfoRunnable); |
| 689 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 690 | } |
| 691 | |
| 692 | private void writeBlobSessions() { |
| 693 | synchronized (mBlobsLock) { |
| 694 | try { |
| 695 | writeBlobSessionsLocked(); |
| 696 | } catch (Exception e) { |
| 697 | // Already logged, ignore |
| 698 | } |
| 699 | } |
| 700 | } |
| 701 | |
| 702 | private void writeBlobSessionsAsync() { |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 703 | if (!mHandler.hasCallbacks(mSaveSessionsRunnable)) { |
| 704 | mHandler.post(mSaveSessionsRunnable); |
| 705 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 706 | } |
| 707 | |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 708 | private int getPackageUid(String packageName, int userId) { |
| 709 | final int uid = mPackageManagerInternal.getPackageUid( |
| 710 | packageName, |
| 711 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE | MATCH_UNINSTALLED_PACKAGES, |
| 712 | userId); |
| 713 | return uid; |
| 714 | } |
| 715 | |
| 716 | private SparseArray<SparseArray<String>> getAllPackages() { |
| 717 | final SparseArray<SparseArray<String>> allPackages = new SparseArray<>(); |
| 718 | final int[] allUsers = LocalServices.getService(UserManagerInternal.class).getUserIds(); |
| 719 | for (int userId : allUsers) { |
| 720 | final SparseArray<String> userPackages = new SparseArray<>(); |
| 721 | allPackages.put(userId, userPackages); |
| 722 | final List<ApplicationInfo> applicationInfos = mPackageManagerInternal |
| 723 | .getInstalledApplications( |
| 724 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE |
| 725 | | MATCH_UNINSTALLED_PACKAGES, |
| 726 | userId, Process.myUid()); |
| 727 | for (int i = 0, count = applicationInfos.size(); i < count; ++i) { |
| 728 | final ApplicationInfo applicationInfo = applicationInfos.get(i); |
| 729 | userPackages.put(applicationInfo.uid, applicationInfo.packageName); |
| 730 | } |
| 731 | } |
| 732 | return allPackages; |
| 733 | } |
| 734 | |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 735 | AtomicFile prepareSessionsIndexFile() { |
| 736 | final File file = BlobStoreConfig.prepareSessionIndexFile(); |
| 737 | if (file == null) { |
| 738 | return null; |
| 739 | } |
| 740 | return new AtomicFile(file, "session_index" /* commitLogTag */); |
| 741 | } |
| 742 | |
| 743 | AtomicFile prepareBlobsIndexFile() { |
| 744 | final File file = BlobStoreConfig.prepareBlobsIndexFile(); |
| 745 | if (file == null) { |
| 746 | return null; |
| 747 | } |
| 748 | return new AtomicFile(file, "blobs_index" /* commitLogTag */); |
| 749 | } |
| 750 | |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 751 | @VisibleForTesting |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 752 | void handlePackageRemoved(String packageName, int uid) { |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 753 | synchronized (mBlobsLock) { |
| 754 | // Clean up any pending sessions |
| 755 | final LongSparseArray<BlobStoreSession> userSessions = |
| 756 | getUserSessionsLocked(UserHandle.getUserId(uid)); |
Sudheer Shanka | fd2611e | 2020-03-05 02:18:15 -0800 | [diff] [blame^] | 757 | userSessions.removeIf((sessionId, blobStoreSession) -> { |
| 758 | if (blobStoreSession.getOwnerUid() == uid |
| 759 | && blobStoreSession.getOwnerPackageName().equals(packageName)) { |
| 760 | blobStoreSession.getSessionFile().delete(); |
| 761 | mActiveBlobIds.remove(blobStoreSession.getSessionId()); |
| 762 | return true; |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 763 | } |
Sudheer Shanka | fd2611e | 2020-03-05 02:18:15 -0800 | [diff] [blame^] | 764 | return false; |
| 765 | }); |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 766 | writeBlobSessionsAsync(); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 767 | |
| 768 | // Remove the package from the committer and leasee list |
| 769 | final ArrayMap<BlobHandle, BlobMetadata> userBlobs = |
| 770 | getUserBlobsLocked(UserHandle.getUserId(uid)); |
Sudheer Shanka | fd2611e | 2020-03-05 02:18:15 -0800 | [diff] [blame^] | 771 | userBlobs.entrySet().removeIf(entry -> { |
| 772 | final BlobMetadata blobMetadata = entry.getValue(); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 773 | blobMetadata.removeCommitter(packageName, uid); |
| 774 | blobMetadata.removeLeasee(packageName, uid); |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 775 | // Delete the blob if it doesn't have any active leases. |
| 776 | if (!blobMetadata.hasLeases()) { |
| 777 | blobMetadata.getBlobFile().delete(); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 778 | mActiveBlobIds.remove(blobMetadata.getBlobId()); |
Sudheer Shanka | fd2611e | 2020-03-05 02:18:15 -0800 | [diff] [blame^] | 779 | return true; |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 780 | } |
Sudheer Shanka | fd2611e | 2020-03-05 02:18:15 -0800 | [diff] [blame^] | 781 | return false; |
| 782 | }); |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 783 | writeBlobsInfoAsync(); |
Sudheer Shanka | fd2611e | 2020-03-05 02:18:15 -0800 | [diff] [blame^] | 784 | |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 785 | if (LOGV) { |
| 786 | Slog.v(TAG, "Removed blobs data associated with pkg=" |
| 787 | + packageName + ", uid=" + uid); |
| 788 | } |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 789 | } |
| 790 | } |
| 791 | |
| 792 | private void handleUserRemoved(int userId) { |
| 793 | synchronized (mBlobsLock) { |
| 794 | final LongSparseArray<BlobStoreSession> userSessions = |
| 795 | mSessions.removeReturnOld(userId); |
| 796 | if (userSessions != null) { |
| 797 | for (int i = 0, count = userSessions.size(); i < count; ++i) { |
| 798 | final BlobStoreSession session = userSessions.valueAt(i); |
| 799 | session.getSessionFile().delete(); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 800 | mActiveBlobIds.remove(session.getSessionId()); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 801 | } |
| 802 | } |
| 803 | |
| 804 | final ArrayMap<BlobHandle, BlobMetadata> userBlobs = |
| 805 | mBlobsMap.removeReturnOld(userId); |
| 806 | if (userBlobs != null) { |
| 807 | for (int i = 0, count = userBlobs.size(); i < count; ++i) { |
| 808 | final BlobMetadata blobMetadata = userBlobs.valueAt(i); |
| 809 | blobMetadata.getBlobFile().delete(); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 810 | mActiveBlobIds.remove(blobMetadata.getBlobId()); |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 811 | } |
| 812 | } |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 813 | if (LOGV) { |
| 814 | Slog.v(TAG, "Removed blobs data in user " + userId); |
| 815 | } |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 816 | } |
| 817 | } |
| 818 | |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 819 | @GuardedBy("mBlobsLock") |
| 820 | @VisibleForTesting |
| 821 | void handleIdleMaintenanceLocked() { |
| 822 | // Cleanup any left over data on disk that is not part of index. |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 823 | final ArrayList<Long> deletedBlobIds = new ArrayList<>(); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 824 | final ArrayList<File> filesToDelete = new ArrayList<>(); |
| 825 | final File blobsDir = BlobStoreConfig.getBlobsDir(); |
| 826 | if (blobsDir.exists()) { |
| 827 | for (File file : blobsDir.listFiles()) { |
| 828 | try { |
| 829 | final long id = Long.parseLong(file.getName()); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 830 | if (mActiveBlobIds.indexOf(id) < 0) { |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 831 | filesToDelete.add(file); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 832 | deletedBlobIds.add(id); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 833 | } |
| 834 | } catch (NumberFormatException e) { |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 835 | Slog.wtf(TAG, "Error parsing the file name: " + file, e); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 836 | filesToDelete.add(file); |
| 837 | } |
| 838 | } |
| 839 | for (int i = 0, count = filesToDelete.size(); i < count; ++i) { |
| 840 | filesToDelete.get(i).delete(); |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | // Cleanup any stale blobs. |
| 845 | for (int i = 0, userCount = mBlobsMap.size(); i < userCount; ++i) { |
| 846 | final ArrayMap<BlobHandle, BlobMetadata> userBlobs = mBlobsMap.valueAt(i); |
| 847 | userBlobs.entrySet().removeIf(entry -> { |
| 848 | final BlobHandle blobHandle = entry.getKey(); |
| 849 | final BlobMetadata blobMetadata = entry.getValue(); |
| 850 | boolean shouldRemove = false; |
| 851 | |
| 852 | // Cleanup expired data blobs. |
| 853 | if (blobHandle.isExpired()) { |
| 854 | shouldRemove = true; |
| 855 | } |
| 856 | |
| 857 | // Cleanup blobs with no active leases. |
| 858 | // TODO: Exclude blobs which were just committed. |
| 859 | if (!blobMetadata.hasLeases()) { |
| 860 | shouldRemove = true; |
| 861 | } |
| 862 | |
| 863 | if (shouldRemove) { |
| 864 | blobMetadata.getBlobFile().delete(); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 865 | mActiveBlobIds.remove(blobMetadata.getBlobId()); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 866 | deletedBlobIds.add(blobMetadata.getBlobId()); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 867 | } |
| 868 | return shouldRemove; |
| 869 | }); |
| 870 | } |
| 871 | writeBlobsInfoAsync(); |
| 872 | |
| 873 | // Cleanup any stale sessions. |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 874 | for (int i = 0, userCount = mSessions.size(); i < userCount; ++i) { |
| 875 | final LongSparseArray<BlobStoreSession> userSessions = mSessions.valueAt(i); |
Sudheer Shanka | 4acba54 | 2020-02-16 13:04:18 -0800 | [diff] [blame] | 876 | userSessions.removeIf((sessionId, blobStoreSession) -> { |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 877 | boolean shouldRemove = false; |
| 878 | |
| 879 | // Cleanup sessions which haven't been modified in a while. |
| 880 | if (blobStoreSession.getSessionFile().lastModified() |
| 881 | < System.currentTimeMillis() - SESSION_EXPIRY_TIMEOUT_MILLIS) { |
| 882 | shouldRemove = true; |
| 883 | } |
| 884 | |
| 885 | // Cleanup sessions with already expired data. |
| 886 | if (blobStoreSession.getBlobHandle().isExpired()) { |
| 887 | shouldRemove = true; |
| 888 | } |
| 889 | |
| 890 | if (shouldRemove) { |
| 891 | blobStoreSession.getSessionFile().delete(); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 892 | mActiveBlobIds.remove(blobStoreSession.getSessionId()); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 893 | deletedBlobIds.add(blobStoreSession.getSessionId()); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 894 | } |
Sudheer Shanka | 4acba54 | 2020-02-16 13:04:18 -0800 | [diff] [blame] | 895 | return shouldRemove; |
| 896 | }); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 897 | } |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 898 | if (LOGV) { |
| 899 | Slog.v(TAG, "Completed idle maintenance; deleted " |
| 900 | + Arrays.toString(deletedBlobIds.toArray())); |
| 901 | } |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 902 | writeBlobSessionsAsync(); |
| 903 | } |
| 904 | |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 905 | void runClearAllSessions(@UserIdInt int userId) { |
| 906 | synchronized (mBlobsLock) { |
| 907 | if (userId == UserHandle.USER_ALL) { |
| 908 | mSessions.clear(); |
| 909 | } else { |
| 910 | mSessions.remove(userId); |
| 911 | } |
| 912 | writeBlobSessionsAsync(); |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | void runClearAllBlobs(@UserIdInt int userId) { |
| 917 | synchronized (mBlobsLock) { |
| 918 | if (userId == UserHandle.USER_ALL) { |
| 919 | mBlobsMap.clear(); |
| 920 | } else { |
| 921 | mBlobsMap.remove(userId); |
| 922 | } |
| 923 | writeBlobsInfoAsync(); |
| 924 | } |
| 925 | } |
| 926 | |
Sudheer Shanka | 285848d | 2020-02-16 19:46:17 -0800 | [diff] [blame] | 927 | void deleteBlob(@NonNull BlobHandle blobHandle, @UserIdInt int userId) { |
| 928 | synchronized (mBlobsLock) { |
| 929 | final ArrayMap<BlobHandle, BlobMetadata> userBlobs = getUserBlobsLocked(userId); |
| 930 | final BlobMetadata blobMetadata = userBlobs.get(blobHandle); |
| 931 | if (blobMetadata == null) { |
| 932 | return; |
| 933 | } |
| 934 | blobMetadata.getBlobFile().delete(); |
| 935 | userBlobs.remove(blobHandle); |
Sudheer Shanka | 6080303 | 2020-02-13 12:47:59 -0800 | [diff] [blame] | 936 | mActiveBlobIds.remove(blobMetadata.getBlobId()); |
Sudheer Shanka | 285848d | 2020-02-16 19:46:17 -0800 | [diff] [blame] | 937 | writeBlobsInfoAsync(); |
| 938 | } |
| 939 | } |
| 940 | |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 941 | @GuardedBy("mBlobsLock") |
| 942 | private void dumpSessionsLocked(IndentingPrintWriter fout, DumpArgs dumpArgs) { |
| 943 | for (int i = 0, userCount = mSessions.size(); i < userCount; ++i) { |
| 944 | final int userId = mSessions.keyAt(i); |
| 945 | if (!dumpArgs.shouldDumpUser(userId)) { |
| 946 | continue; |
| 947 | } |
| 948 | final LongSparseArray<BlobStoreSession> userSessions = mSessions.valueAt(i); |
| 949 | fout.println("List of sessions in user #" |
| 950 | + userId + " (" + userSessions.size() + "):"); |
| 951 | fout.increaseIndent(); |
| 952 | for (int j = 0, sessionsCount = userSessions.size(); j < sessionsCount; ++j) { |
| 953 | final long sessionId = userSessions.keyAt(j); |
| 954 | final BlobStoreSession session = userSessions.valueAt(j); |
| 955 | if (!dumpArgs.shouldDumpSession(session.getOwnerPackageName(), |
| 956 | session.getOwnerUid(), session.getSessionId())) { |
| 957 | continue; |
| 958 | } |
| 959 | fout.println("Session #" + sessionId); |
| 960 | fout.increaseIndent(); |
| 961 | session.dump(fout, dumpArgs); |
| 962 | fout.decreaseIndent(); |
| 963 | } |
| 964 | fout.decreaseIndent(); |
| 965 | } |
| 966 | } |
| 967 | |
| 968 | @GuardedBy("mBlobsLock") |
| 969 | private void dumpBlobsLocked(IndentingPrintWriter fout, DumpArgs dumpArgs) { |
| 970 | for (int i = 0, userCount = mBlobsMap.size(); i < userCount; ++i) { |
| 971 | final int userId = mBlobsMap.keyAt(i); |
| 972 | if (!dumpArgs.shouldDumpUser(userId)) { |
| 973 | continue; |
| 974 | } |
| 975 | final ArrayMap<BlobHandle, BlobMetadata> userBlobs = mBlobsMap.valueAt(i); |
| 976 | fout.println("List of blobs in user #" |
| 977 | + userId + " (" + userBlobs.size() + "):"); |
| 978 | fout.increaseIndent(); |
| 979 | for (int j = 0, blobsCount = userBlobs.size(); j < blobsCount; ++j) { |
| 980 | final BlobMetadata blobMetadata = userBlobs.valueAt(j); |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 981 | if (!dumpArgs.shouldDumpBlob(blobMetadata.getBlobId())) { |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 982 | continue; |
| 983 | } |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 984 | fout.println("Blob #" + blobMetadata.getBlobId()); |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 985 | fout.increaseIndent(); |
| 986 | blobMetadata.dump(fout, dumpArgs); |
| 987 | fout.decreaseIndent(); |
| 988 | } |
| 989 | fout.decreaseIndent(); |
| 990 | } |
| 991 | } |
| 992 | |
Sudheer Shanka | e9232d6 | 2020-01-23 16:55:34 -0800 | [diff] [blame] | 993 | private class BlobStorageStatsAugmenter implements StorageStatsAugmenter { |
| 994 | @Override |
| 995 | public void augmentStatsForPackage(@NonNull PackageStats stats, @NonNull String packageName, |
| 996 | @UserIdInt int userId, boolean callerHasStatsPermission) { |
| 997 | final AtomicLong blobsDataSize = new AtomicLong(0); |
| 998 | forEachSessionInUser(session -> { |
| 999 | if (session.getOwnerPackageName().equals(packageName)) { |
| 1000 | blobsDataSize.getAndAdd(session.getSize()); |
| 1001 | } |
| 1002 | }, userId); |
| 1003 | |
| 1004 | forEachBlobInUser(blobMetadata -> { |
| 1005 | if (blobMetadata.isALeasee(packageName)) { |
| 1006 | if (!blobMetadata.hasOtherLeasees(packageName) || !callerHasStatsPermission) { |
| 1007 | blobsDataSize.getAndAdd(blobMetadata.getSize()); |
| 1008 | } |
| 1009 | } |
| 1010 | }, userId); |
| 1011 | |
| 1012 | stats.dataSize += blobsDataSize.get(); |
| 1013 | } |
| 1014 | |
| 1015 | @Override |
| 1016 | public void augmentStatsForUid(@NonNull PackageStats stats, int uid, |
| 1017 | boolean callerHasStatsPermission) { |
| 1018 | final int userId = UserHandle.getUserId(uid); |
| 1019 | final AtomicLong blobsDataSize = new AtomicLong(0); |
| 1020 | forEachSessionInUser(session -> { |
| 1021 | if (session.getOwnerUid() == uid) { |
| 1022 | blobsDataSize.getAndAdd(session.getSize()); |
| 1023 | } |
| 1024 | }, userId); |
| 1025 | |
| 1026 | forEachBlobInUser(blobMetadata -> { |
| 1027 | if (blobMetadata.isALeasee(uid)) { |
| 1028 | if (!blobMetadata.hasOtherLeasees(uid) || !callerHasStatsPermission) { |
| 1029 | blobsDataSize.getAndAdd(blobMetadata.getSize()); |
| 1030 | } |
| 1031 | } |
| 1032 | }, userId); |
| 1033 | |
| 1034 | stats.dataSize += blobsDataSize.get(); |
| 1035 | } |
| 1036 | } |
| 1037 | |
| 1038 | private void forEachSessionInUser(Consumer<BlobStoreSession> consumer, int userId) { |
| 1039 | synchronized (mBlobsLock) { |
| 1040 | final LongSparseArray<BlobStoreSession> userSessions = getUserSessionsLocked(userId); |
| 1041 | for (int i = 0, count = userSessions.size(); i < count; ++i) { |
| 1042 | final BlobStoreSession session = userSessions.valueAt(i); |
| 1043 | consumer.accept(session); |
| 1044 | } |
| 1045 | } |
| 1046 | } |
| 1047 | |
| 1048 | private void forEachBlobInUser(Consumer<BlobMetadata> consumer, int userId) { |
| 1049 | synchronized (mBlobsLock) { |
| 1050 | final ArrayMap<BlobHandle, BlobMetadata> userBlobs = getUserBlobsLocked(userId); |
| 1051 | for (int i = 0, count = userBlobs.size(); i < count; ++i) { |
| 1052 | final BlobMetadata blobMetadata = userBlobs.valueAt(i); |
| 1053 | consumer.accept(blobMetadata); |
| 1054 | } |
| 1055 | } |
| 1056 | } |
| 1057 | |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 1058 | private class PackageChangedReceiver extends BroadcastReceiver { |
| 1059 | @Override |
| 1060 | public void onReceive(Context context, Intent intent) { |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 1061 | if (LOGV) { |
| 1062 | Slog.v(TAG, "Received " + intent); |
| 1063 | } |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 1064 | switch (intent.getAction()) { |
| 1065 | case Intent.ACTION_PACKAGE_FULLY_REMOVED: |
| 1066 | case Intent.ACTION_PACKAGE_DATA_CLEARED: |
| 1067 | final String packageName = intent.getData().getSchemeSpecificPart(); |
| 1068 | if (packageName == null) { |
| 1069 | Slog.wtf(TAG, "Package name is missing in the intent: " + intent); |
| 1070 | return; |
| 1071 | } |
| 1072 | final int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); |
| 1073 | if (uid == -1) { |
| 1074 | Slog.wtf(TAG, "uid is missing in the intent: " + intent); |
| 1075 | return; |
| 1076 | } |
| 1077 | handlePackageRemoved(packageName, uid); |
| 1078 | break; |
Sudheer Shanka | fd2611e | 2020-03-05 02:18:15 -0800 | [diff] [blame^] | 1079 | default: |
| 1080 | Slog.wtf(TAG, "Received unknown intent: " + intent); |
| 1081 | } |
| 1082 | } |
| 1083 | } |
| 1084 | |
| 1085 | private class UserActionReceiver extends BroadcastReceiver { |
| 1086 | @Override |
| 1087 | public void onReceive(Context context, Intent intent) { |
| 1088 | if (LOGV) { |
| 1089 | Slog.v(TAG, "Received: " + intent); |
| 1090 | } |
| 1091 | switch (intent.getAction()) { |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 1092 | case Intent.ACTION_USER_REMOVED: |
| 1093 | final int userId = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, |
| 1094 | USER_NULL); |
| 1095 | if (userId == USER_NULL) { |
| 1096 | Slog.wtf(TAG, "userId is missing in the intent: " + intent); |
| 1097 | return; |
| 1098 | } |
| 1099 | handleUserRemoved(userId); |
| 1100 | break; |
| 1101 | default: |
| 1102 | Slog.wtf(TAG, "Received unknown intent: " + intent); |
| 1103 | } |
| 1104 | } |
| 1105 | } |
| 1106 | |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 1107 | private class Stub extends IBlobStoreManager.Stub { |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 1108 | @Override |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 1109 | @IntRange(from = 1) |
| 1110 | public long createSession(@NonNull BlobHandle blobHandle, |
| 1111 | @NonNull String packageName) { |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 1112 | Objects.requireNonNull(blobHandle, "blobHandle must not be null"); |
| 1113 | blobHandle.assertIsValid(); |
| 1114 | Objects.requireNonNull(packageName, "packageName must not be null"); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 1115 | |
| 1116 | final int callingUid = Binder.getCallingUid(); |
| 1117 | verifyCallingPackage(callingUid, packageName); |
| 1118 | |
| 1119 | if (Process.isIsolated(callingUid) || mPackageManagerInternal.isInstantApp( |
| 1120 | packageName, UserHandle.getUserId(callingUid))) { |
| 1121 | throw new SecurityException("Caller not allowed to create session; " |
| 1122 | + "callingUid=" + callingUid + ", callingPackage=" + packageName); |
| 1123 | } |
| 1124 | |
| 1125 | // TODO: Verify caller request is within limits (no. of calls/blob sessions/blobs) |
| 1126 | return createSessionInternal(blobHandle, callingUid, packageName); |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 1127 | } |
| 1128 | |
| 1129 | @Override |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 1130 | @NonNull |
| 1131 | public IBlobStoreSession openSession(@IntRange(from = 1) long sessionId, |
| 1132 | @NonNull String packageName) { |
| 1133 | Preconditions.checkArgumentPositive(sessionId, |
| 1134 | "sessionId must be positive: " + sessionId); |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 1135 | Objects.requireNonNull(packageName, "packageName must not be null"); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 1136 | |
| 1137 | final int callingUid = Binder.getCallingUid(); |
| 1138 | verifyCallingPackage(callingUid, packageName); |
| 1139 | |
| 1140 | return openSessionInternal(sessionId, callingUid, packageName); |
| 1141 | } |
| 1142 | |
| 1143 | @Override |
| 1144 | public void deleteSession(@IntRange(from = 1) long sessionId, |
| 1145 | @NonNull String packageName) { |
| 1146 | Preconditions.checkArgumentPositive(sessionId, |
| 1147 | "sessionId must be positive: " + sessionId); |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 1148 | Objects.requireNonNull(packageName, "packageName must not be null"); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 1149 | |
| 1150 | final int callingUid = Binder.getCallingUid(); |
| 1151 | verifyCallingPackage(callingUid, packageName); |
| 1152 | |
| 1153 | deleteSessionInternal(sessionId, callingUid, packageName); |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 1154 | } |
| 1155 | |
| 1156 | @Override |
| 1157 | public ParcelFileDescriptor openBlob(@NonNull BlobHandle blobHandle, |
| 1158 | @NonNull String packageName) { |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 1159 | Objects.requireNonNull(blobHandle, "blobHandle must not be null"); |
| 1160 | blobHandle.assertIsValid(); |
| 1161 | Objects.requireNonNull(packageName, "packageName must not be null"); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 1162 | |
| 1163 | final int callingUid = Binder.getCallingUid(); |
| 1164 | verifyCallingPackage(callingUid, packageName); |
| 1165 | |
| 1166 | if (Process.isIsolated(callingUid) || mPackageManagerInternal.isInstantApp( |
| 1167 | packageName, UserHandle.getUserId(callingUid))) { |
| 1168 | throw new SecurityException("Caller not allowed to open blob; " |
| 1169 | + "callingUid=" + callingUid + ", callingPackage=" + packageName); |
| 1170 | } |
| 1171 | |
| 1172 | try { |
| 1173 | return openBlobInternal(blobHandle, callingUid, packageName); |
| 1174 | } catch (IOException e) { |
| 1175 | throw ExceptionUtils.wrap(e); |
| 1176 | } |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 1177 | } |
| 1178 | |
| 1179 | @Override |
| 1180 | public void acquireLease(@NonNull BlobHandle blobHandle, @IdRes int descriptionResId, |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 1181 | @Nullable CharSequence description, |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 1182 | @CurrentTimeSecondsLong long leaseExpiryTimeMillis, @NonNull String packageName) { |
| 1183 | Objects.requireNonNull(blobHandle, "blobHandle must not be null"); |
| 1184 | blobHandle.assertIsValid(); |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 1185 | Preconditions.checkArgument( |
| 1186 | ResourceId.isValid(descriptionResId) || description != null, |
| 1187 | "Description must be valid; descriptionId=" + descriptionResId |
| 1188 | + ", description=" + description); |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 1189 | Preconditions.checkArgumentNonnegative(leaseExpiryTimeMillis, |
| 1190 | "leaseExpiryTimeMillis must not be negative"); |
| 1191 | Objects.requireNonNull(packageName, "packageName must not be null"); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 1192 | |
| 1193 | final int callingUid = Binder.getCallingUid(); |
| 1194 | verifyCallingPackage(callingUid, packageName); |
| 1195 | |
Sudheer Shanka | 1406bc8 | 2020-02-03 12:27:24 -0800 | [diff] [blame] | 1196 | acquireLeaseInternal(blobHandle, descriptionResId, description, leaseExpiryTimeMillis, |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 1197 | callingUid, packageName); |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 1198 | } |
| 1199 | |
| 1200 | @Override |
| 1201 | public void releaseLease(@NonNull BlobHandle blobHandle, @NonNull String packageName) { |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 1202 | Objects.requireNonNull(blobHandle, "blobHandle must not be null"); |
| 1203 | blobHandle.assertIsValid(); |
| 1204 | Objects.requireNonNull(packageName, "packageName must not be null"); |
Sudheer Shanka | ab1d416 | 2020-01-07 10:37:50 -0800 | [diff] [blame] | 1205 | |
| 1206 | final int callingUid = Binder.getCallingUid(); |
| 1207 | verifyCallingPackage(callingUid, packageName); |
| 1208 | |
| 1209 | releaseLeaseInternal(blobHandle, callingUid, packageName); |
Sudheer Shanka | d2da067 | 2019-12-20 15:51:20 -0800 | [diff] [blame] | 1210 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 1211 | |
| 1212 | @Override |
| 1213 | public void waitForIdle(@NonNull RemoteCallback remoteCallback) { |
Sudheer Shanka | 4824e3d | 2020-01-29 23:50:24 -0800 | [diff] [blame] | 1214 | Objects.requireNonNull(remoteCallback, "remoteCallback must not be null"); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 1215 | |
| 1216 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, |
| 1217 | "Caller is not allowed to call this; caller=" + Binder.getCallingUid()); |
| 1218 | mHandler.post(PooledLambda.obtainRunnable(remoteCallback::sendResult, null) |
| 1219 | .recycleOnUse()); |
| 1220 | } |
| 1221 | |
| 1222 | @Override |
| 1223 | public void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter writer, |
| 1224 | @Nullable String[] args) { |
| 1225 | // TODO: add proto-based version of this. |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 1226 | if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, writer)) return; |
| 1227 | |
| 1228 | final DumpArgs dumpArgs = DumpArgs.parse(args); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 1229 | |
| 1230 | final IndentingPrintWriter fout = new IndentingPrintWriter(writer, " "); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 1231 | if (dumpArgs.shouldDumpHelp()) { |
| 1232 | writer.println("dumpsys blob_store [options]:"); |
| 1233 | fout.increaseIndent(); |
| 1234 | dumpArgs.dumpArgsUsage(fout); |
| 1235 | fout.decreaseIndent(); |
| 1236 | return; |
| 1237 | } |
| 1238 | |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 1239 | synchronized (mBlobsLock) { |
Sudheer Shanka | 22f0b16 | 2020-01-21 13:32:04 -0800 | [diff] [blame] | 1240 | fout.println("mCurrentMaxSessionId: " + mCurrentMaxSessionId); |
| 1241 | fout.println(); |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 1242 | |
| 1243 | if (dumpArgs.shouldDumpSessions()) { |
| 1244 | dumpSessionsLocked(fout, dumpArgs); |
| 1245 | fout.println(); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 1246 | } |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 1247 | if (dumpArgs.shouldDumpBlobs()) { |
| 1248 | dumpBlobsLocked(fout, dumpArgs); |
| 1249 | fout.println(); |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 1250 | } |
| 1251 | } |
| 1252 | } |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 1253 | |
| 1254 | @Override |
| 1255 | public int handleShellCommand(@NonNull ParcelFileDescriptor in, |
| 1256 | @NonNull ParcelFileDescriptor out, @NonNull ParcelFileDescriptor err, |
| 1257 | @NonNull String[] args) { |
| 1258 | return (new BlobStoreManagerShellCommand(BlobStoreManagerService.this)).exec(this, |
| 1259 | in.getFileDescriptor(), out.getFileDescriptor(), err.getFileDescriptor(), args); |
| 1260 | } |
| 1261 | } |
| 1262 | |
| 1263 | static final class DumpArgs { |
| 1264 | private boolean mDumpFull; |
| 1265 | private final ArrayList<String> mDumpPackages = new ArrayList<>(); |
| 1266 | private final ArrayList<Integer> mDumpUids = new ArrayList<>(); |
| 1267 | private final ArrayList<Integer> mDumpUserIds = new ArrayList<>(); |
| 1268 | private final ArrayList<Long> mDumpBlobIds = new ArrayList<>(); |
| 1269 | private boolean mDumpOnlySelectedSections; |
| 1270 | private boolean mDumpSessions; |
| 1271 | private boolean mDumpBlobs; |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 1272 | private boolean mDumpHelp; |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 1273 | |
| 1274 | public boolean shouldDumpSession(String packageName, int uid, long blobId) { |
| 1275 | if (!CollectionUtils.isEmpty(mDumpPackages) |
| 1276 | && mDumpPackages.indexOf(packageName) < 0) { |
| 1277 | return false; |
| 1278 | } |
| 1279 | if (!CollectionUtils.isEmpty(mDumpUids) |
| 1280 | && mDumpUids.indexOf(uid) < 0) { |
| 1281 | return false; |
| 1282 | } |
| 1283 | if (!CollectionUtils.isEmpty(mDumpBlobIds) |
| 1284 | && mDumpBlobIds.indexOf(blobId) < 0) { |
| 1285 | return false; |
| 1286 | } |
| 1287 | return true; |
| 1288 | } |
| 1289 | |
| 1290 | public boolean shouldDumpSessions() { |
| 1291 | if (!mDumpOnlySelectedSections) { |
| 1292 | return true; |
| 1293 | } |
| 1294 | return mDumpSessions; |
| 1295 | } |
| 1296 | |
| 1297 | public boolean shouldDumpBlobs() { |
| 1298 | if (!mDumpOnlySelectedSections) { |
| 1299 | return true; |
| 1300 | } |
| 1301 | return mDumpBlobs; |
| 1302 | } |
| 1303 | |
| 1304 | public boolean shouldDumpBlob(long blobId) { |
| 1305 | return CollectionUtils.isEmpty(mDumpBlobIds) |
| 1306 | || mDumpBlobIds.indexOf(blobId) >= 0; |
| 1307 | } |
| 1308 | |
| 1309 | public boolean shouldDumpFull() { |
| 1310 | return mDumpFull; |
| 1311 | } |
| 1312 | |
| 1313 | public boolean shouldDumpUser(int userId) { |
| 1314 | return CollectionUtils.isEmpty(mDumpUserIds) |
| 1315 | || mDumpUserIds.indexOf(userId) >= 0; |
| 1316 | } |
| 1317 | |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 1318 | public boolean shouldDumpHelp() { |
| 1319 | return mDumpHelp; |
| 1320 | } |
| 1321 | |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 1322 | private DumpArgs() {} |
| 1323 | |
| 1324 | public static DumpArgs parse(String[] args) { |
| 1325 | final DumpArgs dumpArgs = new DumpArgs(); |
| 1326 | if (args == null) { |
| 1327 | return dumpArgs; |
| 1328 | } |
| 1329 | |
| 1330 | for (int i = 0; i < args.length; ++i) { |
| 1331 | final String opt = args[i]; |
| 1332 | if ("--full".equals(opt) || "-f".equals(opt)) { |
| 1333 | final int callingUid = Binder.getCallingUid(); |
| 1334 | if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID) { |
| 1335 | dumpArgs.mDumpFull = true; |
| 1336 | } |
| 1337 | } else if ("--sessions".equals(opt)) { |
| 1338 | dumpArgs.mDumpOnlySelectedSections = true; |
| 1339 | dumpArgs.mDumpSessions = true; |
| 1340 | } else if ("--blobs".equals(opt)) { |
| 1341 | dumpArgs.mDumpOnlySelectedSections = true; |
| 1342 | dumpArgs.mDumpBlobs = true; |
| 1343 | } else if ("--package".equals(opt) || "-p".equals(opt)) { |
| 1344 | dumpArgs.mDumpPackages.add(getStringArgRequired(args, ++i, "packageName")); |
| 1345 | } else if ("--uid".equals(opt) || "-u".equals(opt)) { |
| 1346 | dumpArgs.mDumpUids.add(getIntArgRequired(args, ++i, "uid")); |
| 1347 | } else if ("--user".equals(opt)) { |
| 1348 | dumpArgs.mDumpUserIds.add(getIntArgRequired(args, ++i, "userId")); |
| 1349 | } else if ("--blob".equals(opt) || "-b".equals(opt)) { |
| 1350 | dumpArgs.mDumpBlobIds.add(getLongArgRequired(args, ++i, "blobId")); |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 1351 | } else if ("--help".equals(opt) || "-h".equals(opt)) { |
| 1352 | dumpArgs.mDumpHelp = true; |
Sudheer Shanka | 5caeed5 | 2020-02-01 12:54:33 -0800 | [diff] [blame] | 1353 | } else { |
| 1354 | // Everything else is assumed to be blob ids. |
| 1355 | dumpArgs.mDumpBlobIds.add(getLongArgRequired(args, i, "blobId")); |
| 1356 | } |
| 1357 | } |
| 1358 | return dumpArgs; |
| 1359 | } |
| 1360 | |
| 1361 | private static String getStringArgRequired(String[] args, int index, String argName) { |
| 1362 | if (index >= args.length) { |
| 1363 | throw new IllegalArgumentException("Missing " + argName); |
| 1364 | } |
| 1365 | return args[index]; |
| 1366 | } |
| 1367 | |
| 1368 | private static int getIntArgRequired(String[] args, int index, String argName) { |
| 1369 | if (index >= args.length) { |
| 1370 | throw new IllegalArgumentException("Missing " + argName); |
| 1371 | } |
| 1372 | final int value; |
| 1373 | try { |
| 1374 | value = Integer.parseInt(args[index]); |
| 1375 | } catch (NumberFormatException e) { |
| 1376 | throw new IllegalArgumentException("Invalid " + argName + ": " + args[index]); |
| 1377 | } |
| 1378 | return value; |
| 1379 | } |
| 1380 | |
| 1381 | private static long getLongArgRequired(String[] args, int index, String argName) { |
| 1382 | if (index >= args.length) { |
| 1383 | throw new IllegalArgumentException("Missing " + argName); |
| 1384 | } |
| 1385 | final long value; |
| 1386 | try { |
| 1387 | value = Long.parseLong(args[index]); |
| 1388 | } catch (NumberFormatException e) { |
| 1389 | throw new IllegalArgumentException("Invalid " + argName + ": " + args[index]); |
| 1390 | } |
| 1391 | return value; |
| 1392 | } |
Sudheer Shanka | e53e1ed | 2020-02-03 17:15:24 -0800 | [diff] [blame] | 1393 | |
| 1394 | private void dumpArgsUsage(IndentingPrintWriter pw) { |
| 1395 | pw.println("--help | -h"); |
| 1396 | printWithIndent(pw, "Dump this help text"); |
| 1397 | pw.println("--sessions"); |
| 1398 | printWithIndent(pw, "Dump only the sessions info"); |
| 1399 | pw.println("--blobs"); |
| 1400 | printWithIndent(pw, "Dump only the committed blobs info"); |
| 1401 | pw.println("--package | -p [package-name]"); |
| 1402 | printWithIndent(pw, "Dump blobs info associated with the given package"); |
| 1403 | pw.println("--uid | -u [uid]"); |
| 1404 | printWithIndent(pw, "Dump blobs info associated with the given uid"); |
| 1405 | pw.println("--user [user-id]"); |
| 1406 | printWithIndent(pw, "Dump blobs info in the given user"); |
| 1407 | pw.println("--blob | -b [session-id | blob-id]"); |
| 1408 | printWithIndent(pw, "Dump blob info corresponding to the given ID"); |
| 1409 | pw.println("--full | -f"); |
| 1410 | printWithIndent(pw, "Dump full unredacted blobs data"); |
| 1411 | } |
| 1412 | |
| 1413 | private void printWithIndent(IndentingPrintWriter pw, String str) { |
| 1414 | pw.increaseIndent(); |
| 1415 | pw.println(str); |
| 1416 | pw.decreaseIndent(); |
| 1417 | } |
Sudheer Shanka | f5b3696 | 2019-10-04 16:16:13 -0700 | [diff] [blame] | 1418 | } |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 1419 | |
Sudheer Shanka | ae53d11 | 2020-01-31 14:20:53 -0800 | [diff] [blame] | 1420 | private class LocalService extends BlobStoreManagerInternal { |
| 1421 | @Override |
| 1422 | public void onIdleMaintenance() { |
| 1423 | synchronized (mBlobsLock) { |
| 1424 | handleIdleMaintenanceLocked(); |
| 1425 | } |
| 1426 | } |
| 1427 | } |
| 1428 | |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 1429 | @VisibleForTesting |
| 1430 | static class Injector { |
| 1431 | public Handler initializeMessageHandler() { |
| 1432 | return BlobStoreManagerService.initializeMessageHandler(); |
| 1433 | } |
Sudheer Shanka | b76f766 | 2020-02-27 15:17:43 -0800 | [diff] [blame] | 1434 | |
| 1435 | public Handler getBackgroundHandler() { |
| 1436 | return BackgroundThread.getHandler(); |
| 1437 | } |
Sudheer Shanka | bda89c1 | 2020-01-30 15:19:24 -0800 | [diff] [blame] | 1438 | } |
Sudheer Shanka | f6e23b9 | 2020-01-15 01:51:15 -0800 | [diff] [blame] | 1439 | } |