nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/helper/SyncHelper.java

   1 package org.asamk.signal.manager.helper;
   2
   3 import com.google.protobuf.ByteString;
   4
   5 import org.asamk.signal.manager.api.TrustLevel;
   6 import org.asamk.signal.manager.groups.GroupId;
   7 import org.asamk.signal.manager.storage.SignalAccount;
   8 import org.asamk.signal.manager.storage.groups.GroupInfoV1;
   9 import org.asamk.signal.manager.storage.recipients.Contact;
  10 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  11 import org.asamk.signal.manager.util.AttachmentUtils;
  12 import org.asamk.signal.manager.util.IOUtils;
  13 import org.signal.libsignal.protocol.IdentityKey;
  14 import org.slf4j.Logger;
  15 import org.slf4j.LoggerFactory;
  16 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
  17 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentStream;
  18 import org.whispersystems.signalservice.api.messages.multidevice.BlockedListMessage;
  19 import org.whispersystems.signalservice.api.messages.multidevice.ConfigurationMessage;
  20 import org.whispersystems.signalservice.api.messages.multidevice.ContactsMessage;
  21 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContact;
  22 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsInputStream;
  23 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsOutputStream;
  24 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroup;
  25 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsInputStream;
  26 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsOutputStream;
  27 import org.whispersystems.signalservice.api.messages.multidevice.KeysMessage;
  28 import org.whispersystems.signalservice.api.messages.multidevice.RequestMessage;
  29 import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
  30 import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage;
  31 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  32 import org.whispersystems.signalservice.internal.push.SignalServiceProtos;
  33
  34 import java.io.FileInputStream;
  35 import java.io.FileOutputStream;
  36 import java.io.IOException;
  37 import java.io.InputStream;
  38 import java.io.OutputStream;
  39 import java.nio.file.Files;
  40 import java.util.ArrayList;
  41 import java.util.List;
  42 import java.util.Optional;
  43 import java.util.stream.Collectors;
  44
  45 public class SyncHelper {
  46
  47     private final static Logger logger = LoggerFactory.getLogger(SyncHelper.class);
  48
  49     private final Context context;
  50     private final SignalAccount account;
  51
  52     public SyncHelper(final Context context) {
  53         this.context = context;
  54         this.account = context.getAccount();
  55     }
  56
  57     public void requestAllSyncData() {
  58         requestSyncData(SignalServiceProtos.SyncMessage.Request.Type.GROUPS);
  59         requestSyncData(SignalServiceProtos.SyncMessage.Request.Type.CONTACTS);
  60         requestSyncData(SignalServiceProtos.SyncMessage.Request.Type.BLOCKED);
  61         requestSyncData(SignalServiceProtos.SyncMessage.Request.Type.CONFIGURATION);
  62         requestSyncKeys();
  63         requestSyncPniIdentity();
  64     }
  65
  66     public void requestSyncKeys() {
  67         requestSyncData(SignalServiceProtos.SyncMessage.Request.Type.KEYS);
  68     }
  69
  70     public void requestSyncPniIdentity() {
  71         requestSyncData(SignalServiceProtos.SyncMessage.Request.Type.PNI_IDENTITY);
  72     }
  73
  74     public void sendSyncFetchProfileMessage() {
  75         context.getSendHelper()
  76                 .sendSyncMessage(SignalServiceSyncMessage.forFetchLatest(SignalServiceSyncMessage.FetchType.LOCAL_PROFILE));
  77     }
  78
  79     public void sendGroups() throws IOException {
  80         var groupsFile = IOUtils.createTempFile();
  81
  82         try {
  83             try (OutputStream fos = new FileOutputStream(groupsFile)) {
  84                 var out = new DeviceGroupsOutputStream(fos);
  85                 for (var record : account.getGroupStore().getGroups()) {
  86                     if (record instanceof GroupInfoV1 groupInfo) {
  87                         out.write(new DeviceGroup(groupInfo.getGroupId().serialize(),
  88                                 Optional.ofNullable(groupInfo.name),
  89                                 groupInfo.getMembers()
  90                                         .stream()
  91                                         .map(context.getRecipientHelper()::resolveSignalServiceAddress)
  92                                         .toList(),
  93                                 context.getGroupHelper().createGroupAvatarAttachment(groupInfo.getGroupId()),
  94                                 groupInfo.isMember(account.getSelfRecipientId()),
  95                                 Optional.of(groupInfo.messageExpirationTime),
  96                                 Optional.ofNullable(groupInfo.color),
  97                                 groupInfo.blocked,
  98                                 Optional.empty(),
  99                                 groupInfo.archived));
 100                     }
 101                 }
 102             }
 103
 104             if (groupsFile.exists() && groupsFile.length() > 0) {
 105                 try (var groupsFileStream = new FileInputStream(groupsFile)) {
 106                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
 107                             .withStream(groupsFileStream)
 108                             .withContentType("application/octet-stream")
 109                             .withLength(groupsFile.length())
 110                             .build();
 111
 112                     context.getSendHelper().sendSyncMessage(SignalServiceSyncMessage.forGroups(attachmentStream));
 113                 }
 114             }
 115         } finally {
 116             try {
 117                 Files.delete(groupsFile.toPath());
 118             } catch (IOException e) {
 119                 logger.warn("Failed to delete groups temp file “{}”, ignoring: {}", groupsFile, e.getMessage());
 120             }
 121         }
 122     }
 123
 124     public void sendContacts() throws IOException {
 125         var contactsFile = IOUtils.createTempFile();
 126
 127         try {
 128             try (OutputStream fos = new FileOutputStream(contactsFile)) {
 129                 var out = new DeviceContactsOutputStream(fos);
 130                 for (var contactPair : account.getContactStore().getContacts()) {
 131                     final var recipientId = contactPair.first();
 132                     final var contact = contactPair.second();
 133                     final var address = context.getRecipientHelper().resolveSignalServiceAddress(recipientId);
 134
 135                     var currentIdentity = account.getIdentityKeyStore().getIdentityInfo(recipientId);
 136                     VerifiedMessage verifiedMessage = null;
 137                     if (currentIdentity != null) {
 138                         verifiedMessage = new VerifiedMessage(address,
 139                                 currentIdentity.getIdentityKey(),
 140                                 currentIdentity.getTrustLevel().toVerifiedState(),
 141                                 currentIdentity.getDateAdded().getTime());
 142                     }
 143
 144                     var profileKey = account.getProfileStore().getProfileKey(recipientId);
 145                     out.write(new DeviceContact(address,
 146                             Optional.ofNullable(contact.getName()),
 147                             createContactAvatarAttachment(new RecipientAddress(address)),
 148                             Optional.ofNullable(contact.getColor()),
 149                             Optional.ofNullable(verifiedMessage),
 150                             Optional.ofNullable(profileKey),
 151                             contact.isBlocked(),
 152                             Optional.of(contact.getMessageExpirationTime()),
 153                             Optional.empty(),
 154                             contact.isArchived()));
 155                 }
 156
 157                 if (account.getProfileKey() != null) {
 158                     // Send our own profile key as well
 159                     out.write(new DeviceContact(account.getSelfAddress(),
 160                             Optional.empty(),
 161                             Optional.empty(),
 162                             Optional.empty(),
 163                             Optional.empty(),
 164                             Optional.of(account.getProfileKey()),
 165                             false,
 166                             Optional.empty(),
 167                             Optional.empty(),
 168                             false));
 169                 }
 170             }
 171
 172             if (contactsFile.exists() && contactsFile.length() > 0) {
 173                 try (var contactsFileStream = new FileInputStream(contactsFile)) {
 174                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
 175                             .withStream(contactsFileStream)
 176                             .withContentType("application/octet-stream")
 177                             .withLength(contactsFile.length())
 178                             .build();
 179
 180                     context.getSendHelper()
 181                             .sendSyncMessage(SignalServiceSyncMessage.forContacts(new ContactsMessage(attachmentStream,
 182                                     true)));
 183                 }
 184             }
 185         } finally {
 186             try {
 187                 Files.delete(contactsFile.toPath());
 188             } catch (IOException e) {
 189                 logger.warn("Failed to delete contacts temp file “{}”, ignoring: {}", contactsFile, e.getMessage());
 190             }
 191         }
 192     }
 193
 194     public void sendBlockedList() {
 195         var addresses = new ArrayList<SignalServiceAddress>();
 196         for (var record : account.getContactStore().getContacts()) {
 197             if (record.second().isBlocked()) {
 198                 addresses.add(context.getRecipientHelper().resolveSignalServiceAddress(record.first()));
 199             }
 200         }
 201         var groupIds = new ArrayList<byte[]>();
 202         for (var record : account.getGroupStore().getGroups()) {
 203             if (record.isBlocked()) {
 204                 groupIds.add(record.getGroupId().serialize());
 205             }
 206         }
 207         context.getSendHelper()
 208                 .sendSyncMessage(SignalServiceSyncMessage.forBlocked(new BlockedListMessage(addresses, groupIds)));
 209     }
 210
 211     public void sendVerifiedMessage(
 212             SignalServiceAddress destination, IdentityKey identityKey, TrustLevel trustLevel
 213     ) throws IOException {
 214         var verifiedMessage = new VerifiedMessage(destination,
 215                 identityKey,
 216                 trustLevel.toVerifiedState(),
 217                 System.currentTimeMillis());
 218         context.getSendHelper().sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage));
 219     }
 220
 221     public void sendKeysMessage() {
 222         var keysMessage = new KeysMessage(Optional.ofNullable(account.getStorageKey()));
 223         context.getSendHelper().sendSyncMessage(SignalServiceSyncMessage.forKeys(keysMessage));
 224     }
 225
 226     public void sendConfigurationMessage() {
 227         final var config = account.getConfigurationStore();
 228         var configurationMessage = new ConfigurationMessage(Optional.ofNullable(config.getReadReceipts()),
 229                 Optional.ofNullable(config.getUnidentifiedDeliveryIndicators()),
 230                 Optional.ofNullable(config.getTypingIndicators()),
 231                 Optional.ofNullable(config.getLinkPreviews()));
 232         context.getSendHelper().sendSyncMessage(SignalServiceSyncMessage.forConfiguration(configurationMessage));
 233     }
 234
 235     public void sendPniIdentity() {
 236         final var pniIdentityKeyPair = account.getPniIdentityKeyPair();
 237         var pniIdentity = SignalServiceProtos.SyncMessage.PniIdentity.newBuilder()
 238                 .setPrivateKey(ByteString.copyFrom(pniIdentityKeyPair.getPrivateKey().serialize()))
 239                 .setPublicKey(ByteString.copyFrom(pniIdentityKeyPair.getPublicKey().serialize()))
 240                 .build();
 241         context.getSendHelper().sendSyncMessage(SignalServiceSyncMessage.forPniIdentity(pniIdentity));
 242     }
 243
 244     public void handleSyncDeviceGroups(final InputStream input) {
 245         final var s = new DeviceGroupsInputStream(input);
 246         DeviceGroup g;
 247         while (true) {
 248             try {
 249                 g = s.read();
 250             } catch (IOException e) {
 251                 logger.warn("Sync groups contained invalid group, ignoring: {}", e.getMessage());
 252                 continue;
 253             }
 254             if (g == null) {
 255                 break;
 256             }
 257             var syncGroup = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(g.getId()));
 258             if (syncGroup != null) {
 259                 if (g.getName().isPresent()) {
 260                     syncGroup.name = g.getName().get();
 261                 }
 262                 syncGroup.addMembers(g.getMembers()
 263                         .stream()
 264                         .map(account.getRecipientResolver()::resolveRecipient)
 265                         .collect(Collectors.toSet()));
 266                 if (!g.isActive()) {
 267                     syncGroup.removeMember(account.getSelfRecipientId());
 268                 } else {
 269                     // Add ourself to the member set as it's marked as active
 270                     syncGroup.addMembers(List.of(account.getSelfRecipientId()));
 271                 }
 272                 syncGroup.blocked = g.isBlocked();
 273                 if (g.getColor().isPresent()) {
 274                     syncGroup.color = g.getColor().get();
 275                 }
 276
 277                 if (g.getAvatar().isPresent()) {
 278                     context.getGroupHelper().downloadGroupAvatar(syncGroup.getGroupId(), g.getAvatar().get());
 279                 }
 280                 syncGroup.archived = g.isArchived();
 281                 account.getGroupStore().updateGroup(syncGroup);
 282             }
 283         }
 284     }
 285
 286     public void handleSyncDeviceContacts(final InputStream input) throws IOException {
 287         final var s = new DeviceContactsInputStream(input);
 288         DeviceContact c;
 289         while (true) {
 290             try {
 291                 c = s.read();
 292             } catch (IOException e) {
 293                 if (e.getMessage() != null && e.getMessage().contains("Missing contact address!")) {
 294                     logger.warn("Sync contacts contained invalid contact, ignoring: {}", e.getMessage());
 295                     continue;
 296                 } else {
 297                     throw e;
 298                 }
 299             }
 300             if (c == null) {
 301                 break;
 302             }
 303             if (c.getAddress().matches(account.getSelfAddress()) && c.getProfileKey().isPresent()) {
 304                 account.setProfileKey(c.getProfileKey().get());
 305             }
 306             final var recipientId = account.getRecipientTrustedResolver().resolveRecipientTrusted(c.getAddress());
 307             var contact = account.getContactStore().getContact(recipientId);
 308             final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
 309             if (c.getName().isPresent()) {
 310                 builder.withGivenName(c.getName().get());
 311             }
 312             if (c.getColor().isPresent()) {
 313                 builder.withColor(c.getColor().get());
 314             }
 315             if (c.getProfileKey().isPresent()) {
 316                 account.getProfileStore().storeProfileKey(recipientId, c.getProfileKey().get());
 317             }
 318             if (c.getVerified().isPresent()) {
 319                 final var verifiedMessage = c.getVerified().get();
 320                 account.getIdentityKeyStore()
 321                         .setIdentityTrustLevel(account.getRecipientTrustedResolver()
 322                                         .resolveRecipientTrusted(verifiedMessage.getDestination()),
 323                                 verifiedMessage.getIdentityKey(),
 324                                 TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
 325             }
 326             if (c.getExpirationTimer().isPresent()) {
 327                 builder.withMessageExpirationTime(c.getExpirationTimer().get());
 328             }
 329             builder.withBlocked(c.isBlocked());
 330             builder.withArchived(c.isArchived());
 331             account.getContactStore().storeContact(recipientId, builder.build());
 332
 333             if (c.getAvatar().isPresent()) {
 334                 downloadContactAvatar(c.getAvatar().get(), new RecipientAddress(c.getAddress()));
 335             }
 336         }
 337     }
 338
 339     private void requestSyncData(final SignalServiceProtos.SyncMessage.Request.Type type) {
 340         var r = SignalServiceProtos.SyncMessage.Request.newBuilder().setType(type).build();
 341         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
 342         context.getSendHelper().sendSyncMessage(message);
 343     }
 344
 345     private Optional<SignalServiceAttachmentStream> createContactAvatarAttachment(RecipientAddress address) throws IOException {
 346         final var streamDetails = context.getAvatarStore().retrieveContactAvatar(address);
 347         if (streamDetails == null) {
 348             return Optional.empty();
 349         }
 350
 351         return Optional.of(AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty()));
 352     }
 353
 354     private void downloadContactAvatar(SignalServiceAttachment avatar, RecipientAddress address) {
 355         try {
 356             context.getAvatarStore()
 357                     .storeContactAvatar(address,
 358                             outputStream -> context.getAttachmentHelper().retrieveAttachment(avatar, outputStream));
 359         } catch (IOException e) {
 360             logger.warn("Failed to download avatar for contact {}, ignoring: {}", address, e.getMessage());
 361         }
 362     }
 363 }