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

   1 package org.asamk.signal.manager.helper;
   2
   3 import com.google.protobuf.ByteString;
   4
   5 import org.asamk.signal.manager.SignalDependencies;
   6 import org.asamk.signal.manager.api.UnregisteredRecipientException;
   7 import org.asamk.signal.manager.groups.GroupId;
   8 import org.asamk.signal.manager.groups.GroupNotFoundException;
   9 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  10 import org.asamk.signal.manager.groups.GroupUtils;
  11 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  12 import org.asamk.signal.manager.storage.SignalAccount;
  13 import org.asamk.signal.manager.storage.groups.GroupInfo;
  14 import org.asamk.signal.manager.storage.recipients.Contact;
  15 import org.asamk.signal.manager.storage.recipients.Profile;
  16 import org.asamk.signal.manager.storage.recipients.RecipientId;
  17 import org.asamk.signal.manager.storage.sendLog.MessageSendLogEntry;
  18 import org.signal.libsignal.protocol.InvalidKeyException;
  19 import org.signal.libsignal.protocol.InvalidRegistrationIdException;
  20 import org.signal.libsignal.protocol.NoSessionException;
  21 import org.signal.libsignal.protocol.SignalProtocolAddress;
  22 import org.signal.libsignal.protocol.message.DecryptionErrorMessage;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25 import org.whispersystems.signalservice.api.SignalServiceMessageSender;
  26 import org.whispersystems.signalservice.api.crypto.ContentHint;
  27 import org.whispersystems.signalservice.api.crypto.UnidentifiedAccess;
  28 import org.whispersystems.signalservice.api.crypto.UnidentifiedAccessPair;
  29 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
  30 import org.whispersystems.signalservice.api.messages.SendMessageResult;
  31 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  32 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  33 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  34 import org.whispersystems.signalservice.api.messages.multidevice.SentTranscriptMessage;
  35 import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
  36 import org.whispersystems.signalservice.api.push.DistributionId;
  37 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  38 import org.whispersystems.signalservice.api.push.exceptions.NotFoundException;
  39 import org.whispersystems.signalservice.api.push.exceptions.ProofRequiredException;
  40 import org.whispersystems.signalservice.api.push.exceptions.RateLimitException;
  41 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
  42 import org.whispersystems.signalservice.internal.push.exceptions.InvalidUnidentifiedAccessHeaderException;
  43
  44 import java.io.IOException;
  45 import java.time.Duration;
  46 import java.util.ArrayList;
  47 import java.util.HashSet;
  48 import java.util.List;
  49 import java.util.Map;
  50 import java.util.Optional;
  51 import java.util.Set;
  52 import java.util.concurrent.TimeUnit;
  53 import java.util.concurrent.atomic.AtomicLong;
  54
  55 public class SendHelper {
  56
  57     private final static Logger logger = LoggerFactory.getLogger(SendHelper.class);
  58
  59     private final SignalAccount account;
  60     private final SignalDependencies dependencies;
  61     private final Context context;
  62
  63     public SendHelper(final Context context) {
  64         this.account = context.getAccount();
  65         this.dependencies = context.getDependencies();
  66         this.context = context;
  67     }
  68
  69     /**
  70      * Send a single message to one recipient.
  71      * The message is extended with the current expiration timer.
  72      */
  73     public SendMessageResult sendMessage(
  74             final SignalServiceDataMessage.Builder messageBuilder, final RecipientId recipientId
  75     ) throws IOException {
  76         var contact = account.getContactStore().getContact(recipientId);
  77         if (contact == null || !contact.isProfileSharingEnabled()) {
  78             final var contactBuilder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
  79             contact = contactBuilder.withProfileSharingEnabled(true).build();
  80             account.getContactStore().storeContact(recipientId, contact);
  81         }
  82
  83         final var expirationTime = contact.getMessageExpirationTime();
  84         messageBuilder.withExpiration(expirationTime);
  85
  86         if (!contact.isBlocked()) {
  87             final var profileKey = account.getProfileKey().serialize();
  88             messageBuilder.withProfileKey(profileKey);
  89         }
  90
  91         final var message = messageBuilder.build();
  92         return sendMessage(message, recipientId);
  93     }
  94
  95     /**
  96      * Send a group message to the given group
  97      * The message is extended with the current expiration timer for the group and the group context.
  98      */
  99     public List<SendMessageResult> sendAsGroupMessage(
 100             SignalServiceDataMessage.Builder messageBuilder, GroupId groupId
 101     ) throws IOException, GroupNotFoundException, NotAGroupMemberException, GroupSendingNotAllowedException {
 102         final var g = getGroupForSending(groupId);
 103         return sendAsGroupMessage(messageBuilder, g);
 104     }
 105
 106     /**
 107      * Send a complete group message to the given recipients (should be current/old/new members)
 108      * This method should only be used for create/update/quit group messages.
 109      */
 110     public List<SendMessageResult> sendGroupMessage(
 111             final SignalServiceDataMessage message,
 112             final Set<RecipientId> recipientIds,
 113             final DistributionId distributionId
 114     ) throws IOException {
 115         return sendGroupMessage(message, recipientIds, distributionId, ContentHint.IMPLICIT);
 116     }
 117
 118     public SendMessageResult sendReceiptMessage(
 119             final SignalServiceReceiptMessage receiptMessage, final RecipientId recipientId
 120     ) {
 121         final var messageSendLogStore = account.getMessageSendLogStore();
 122         final var result = handleSendMessage(recipientId,
 123                 (messageSender, address, unidentifiedAccess) -> messageSender.sendReceipt(address,
 124                         unidentifiedAccess,
 125                         receiptMessage,
 126                         false));
 127         messageSendLogStore.insertIfPossible(receiptMessage.getWhen(), result, ContentHint.IMPLICIT, false);
 128         handleSendMessageResult(result);
 129         return result;
 130     }
 131
 132     public SendMessageResult sendProfileKey(RecipientId recipientId) {
 133         logger.debug("Sending updated profile key to recipient: {}", recipientId);
 134         final var profileKey = account.getProfileKey().serialize();
 135         final var message = SignalServiceDataMessage.newBuilder()
 136                 .asProfileKeyUpdate(true)
 137                 .withProfileKey(profileKey)
 138                 .build();
 139         return handleSendMessage(recipientId,
 140                 (messageSender, address, unidentifiedAccess) -> messageSender.sendDataMessage(address,
 141                         unidentifiedAccess,
 142                         ContentHint.IMPLICIT,
 143                         message,
 144                         SignalServiceMessageSender.IndividualSendEvents.EMPTY,
 145                         false,
 146                         false));
 147     }
 148
 149     public SendMessageResult sendRetryReceipt(
 150             DecryptionErrorMessage errorMessage, RecipientId recipientId, Optional<GroupId> groupId
 151     ) {
 152         logger.debug("Sending retry receipt for {} to {}, device: {}",
 153                 errorMessage.getTimestamp(),
 154                 recipientId,
 155                 errorMessage.getDeviceId());
 156         final var result = handleSendMessage(recipientId,
 157                 (messageSender, address, unidentifiedAccess) -> messageSender.sendRetryReceipt(address,
 158                         unidentifiedAccess,
 159                         groupId.map(GroupId::serialize),
 160                         errorMessage));
 161         handleSendMessageResult(result);
 162         return result;
 163     }
 164
 165     public SendMessageResult sendNullMessage(RecipientId recipientId) {
 166         final var result = handleSendMessage(recipientId, SignalServiceMessageSender::sendNullMessage);
 167         handleSendMessageResult(result);
 168         return result;
 169     }
 170
 171     public SendMessageResult sendSelfMessage(
 172             SignalServiceDataMessage.Builder messageBuilder
 173     ) {
 174         final var recipientId = account.getSelfRecipientId();
 175         final var contact = account.getContactStore().getContact(recipientId);
 176         final var expirationTime = contact != null ? contact.getMessageExpirationTime() : 0;
 177         messageBuilder.withExpiration(expirationTime);
 178
 179         var message = messageBuilder.build();
 180         return sendSelfMessage(message);
 181     }
 182
 183     public SendMessageResult sendSyncMessage(SignalServiceSyncMessage message) {
 184         var messageSender = dependencies.getMessageSender();
 185         try {
 186             return messageSender.sendSyncMessage(message, context.getUnidentifiedAccessHelper().getAccessForSync());
 187         } catch (UnregisteredUserException e) {
 188             var address = context.getRecipientHelper().resolveSignalServiceAddress(account.getSelfRecipientId());
 189             return SendMessageResult.unregisteredFailure(address);
 190         } catch (ProofRequiredException e) {
 191             var address = context.getRecipientHelper().resolveSignalServiceAddress(account.getSelfRecipientId());
 192             return SendMessageResult.proofRequiredFailure(address, e);
 193         } catch (RateLimitException e) {
 194             var address = context.getRecipientHelper().resolveSignalServiceAddress(account.getSelfRecipientId());
 195             logger.warn("Sending failed due to rate limiting from the signal server: {}", e.getMessage());
 196             return SendMessageResult.rateLimitFailure(address, e);
 197         } catch (org.whispersystems.signalservice.api.crypto.UntrustedIdentityException e) {
 198             var address = context.getRecipientHelper().resolveSignalServiceAddress(account.getSelfRecipientId());
 199             return SendMessageResult.identityFailure(address, e.getIdentityKey());
 200         } catch (IOException e) {
 201             var address = context.getRecipientHelper().resolveSignalServiceAddress(account.getSelfRecipientId());
 202             logger.warn("Failed to send message due to IO exception: {}", e.getMessage());
 203             return SendMessageResult.networkFailure(address);
 204         }
 205     }
 206
 207     public SendMessageResult sendTypingMessage(
 208             SignalServiceTypingMessage message, RecipientId recipientId
 209     ) {
 210         final var result = handleSendMessage(recipientId,
 211                 (messageSender, address, unidentifiedAccess) -> messageSender.sendTyping(List.of(address),
 212                         List.of(unidentifiedAccess),
 213                         message,
 214                         null).get(0));
 215         handleSendMessageResult(result);
 216         return result;
 217     }
 218
 219     public List<SendMessageResult> sendGroupTypingMessage(
 220             SignalServiceTypingMessage message, GroupId groupId
 221     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 222         final var g = getGroupForSending(groupId);
 223         if (g.isAnnouncementGroup() && !g.isAdmin(account.getSelfRecipientId())) {
 224             throw new GroupSendingNotAllowedException(groupId, g.getTitle());
 225         }
 226         final var distributionId = g.getDistributionId();
 227         final var recipientIds = g.getMembersWithout(account.getSelfRecipientId());
 228
 229         return sendGroupTypingMessage(message, recipientIds, distributionId);
 230     }
 231
 232     public SendMessageResult resendMessage(
 233             final RecipientId recipientId, final long timestamp, final MessageSendLogEntry messageSendLogEntry
 234     ) {
 235         logger.trace("Resending message {} to {}", timestamp, recipientId);
 236         if (messageSendLogEntry.groupId().isEmpty()) {
 237             return handleSendMessage(recipientId,
 238                     (messageSender, address, unidentifiedAccess) -> messageSender.resendContent(address,
 239                             unidentifiedAccess,
 240                             timestamp,
 241                             messageSendLogEntry.content(),
 242                             messageSendLogEntry.contentHint(),
 243                             Optional.empty(),
 244                             messageSendLogEntry.urgent()));
 245         }
 246
 247         final var groupId = messageSendLogEntry.groupId().get();
 248         final var group = account.getGroupStore().getGroup(groupId);
 249
 250         if (group == null) {
 251             logger.debug("Could not find a matching group for the groupId {}! Skipping message send.",
 252                     groupId.toBase64());
 253             return null;
 254         } else if (!group.getMembers().contains(recipientId)) {
 255             logger.warn("The target user is no longer in the group {}! Skipping message send.", groupId.toBase64());
 256             return null;
 257         }
 258
 259         final var senderKeyDistributionMessage = dependencies.getMessageSender()
 260                 .getOrCreateNewGroupSession(group.getDistributionId());
 261         final var distributionBytes = ByteString.copyFrom(senderKeyDistributionMessage.serialize());
 262         final var contentToSend = messageSendLogEntry.content()
 263                 .toBuilder()
 264                 .setSenderKeyDistributionMessage(distributionBytes)
 265                 .build();
 266
 267         final var result = handleSendMessage(recipientId,
 268                 (messageSender, address, unidentifiedAccess) -> messageSender.resendContent(address,
 269                         unidentifiedAccess,
 270                         timestamp,
 271                         contentToSend,
 272                         messageSendLogEntry.contentHint(),
 273                         Optional.of(group.getGroupId().serialize()),
 274                         messageSendLogEntry.urgent()));
 275
 276         if (result.isSuccess()) {
 277             final var address = context.getRecipientHelper().resolveSignalServiceAddress(recipientId);
 278             final var addresses = result.getSuccess()
 279                     .getDevices()
 280                     .stream()
 281                     .map(device -> new SignalProtocolAddress(address.getIdentifier(), device))
 282                     .toList();
 283
 284             account.getSenderKeyStore().markSenderKeySharedWith(group.getDistributionId(), addresses);
 285         }
 286
 287         return result;
 288     }
 289
 290     private List<SendMessageResult> sendAsGroupMessage(
 291             final SignalServiceDataMessage.Builder messageBuilder, final GroupInfo g
 292     ) throws IOException, GroupSendingNotAllowedException {
 293         GroupUtils.setGroupContext(messageBuilder, g);
 294         messageBuilder.withExpiration(g.getMessageExpirationTimer());
 295
 296         final var message = messageBuilder.build();
 297         final var recipients = g.getMembersWithout(account.getSelfRecipientId());
 298
 299         if (g.isAnnouncementGroup() && !g.isAdmin(account.getSelfRecipientId())) {
 300             if (message.getBody().isPresent()
 301                     || message.getAttachments().isPresent()
 302                     || message.getQuote().isPresent()
 303                     || message.getPreviews().isPresent()
 304                     || message.getMentions().isPresent()
 305                     || message.getSticker().isPresent()) {
 306                 throw new GroupSendingNotAllowedException(g.getGroupId(), g.getTitle());
 307             }
 308         }
 309
 310         return sendGroupMessage(message, recipients, g.getDistributionId(), ContentHint.RESENDABLE);
 311     }
 312
 313     private List<SendMessageResult> sendGroupMessage(
 314             final SignalServiceDataMessage message,
 315             final Set<RecipientId> recipientIds,
 316             final DistributionId distributionId,
 317             final ContentHint contentHint
 318     ) throws IOException {
 319         final var messageSender = dependencies.getMessageSender();
 320         final var messageSendLogStore = account.getMessageSendLogStore();
 321         final AtomicLong entryId = new AtomicLong(-1);
 322
 323         final var urgent = true;
 324         final LegacySenderHandler legacySender = (recipients, unidentifiedAccess, isRecipientUpdate) -> messageSender.sendDataMessage(
 325                 recipients,
 326                 unidentifiedAccess,
 327                 isRecipientUpdate,
 328                 contentHint,
 329                 message,
 330                 SignalServiceMessageSender.LegacyGroupEvents.EMPTY,
 331                 sendResult -> {
 332                     logger.trace("Partial message send result: {}", sendResult.isSuccess());
 333                     synchronized (entryId) {
 334                         if (entryId.get() == -1) {
 335                             final var newId = messageSendLogStore.insertIfPossible(message.getTimestamp(),
 336                                     sendResult,
 337                                     contentHint,
 338                                     urgent);
 339                             entryId.set(newId);
 340                         } else {
 341                             messageSendLogStore.addRecipientToExistingEntryIfPossible(entryId.get(), sendResult);
 342                         }
 343                     }
 344                 },
 345                 () -> false,
 346                 urgent);
 347         final SenderKeySenderHandler senderKeySender = (distId, recipients, unidentifiedAccess, isRecipientUpdate) -> {
 348             final var res = messageSender.sendGroupDataMessage(distId,
 349                     recipients,
 350                     unidentifiedAccess,
 351                     isRecipientUpdate,
 352                     contentHint,
 353                     message,
 354                     SignalServiceMessageSender.SenderKeyGroupEvents.EMPTY,
 355                     urgent);
 356             synchronized (entryId) {
 357                 if (entryId.get() == -1) {
 358                     final var newId = messageSendLogStore.insertIfPossible(message.getTimestamp(),
 359                             res,
 360                             contentHint,
 361                             urgent);
 362                     entryId.set(newId);
 363                 } else {
 364                     messageSendLogStore.addRecipientToExistingEntryIfPossible(entryId.get(), res);
 365                 }
 366             }
 367             return res;
 368         };
 369         final var results = sendGroupMessageInternal(legacySender, senderKeySender, recipientIds, distributionId);
 370
 371         for (var r : results) {
 372             handleSendMessageResult(r);
 373         }
 374
 375         return results;
 376     }
 377
 378     private List<SendMessageResult> sendGroupTypingMessage(
 379             final SignalServiceTypingMessage message,
 380             final Set<RecipientId> recipientIds,
 381             final DistributionId distributionId
 382     ) throws IOException {
 383         final var messageSender = dependencies.getMessageSender();
 384         final var results = sendGroupMessageInternal((recipients, unidentifiedAccess, isRecipientUpdate) -> messageSender.sendTyping(
 385                         recipients,
 386                         unidentifiedAccess,
 387                         message,
 388                         () -> false),
 389                 (distId, recipients, unidentifiedAccess, isRecipientUpdate) -> messageSender.sendGroupTyping(distId,
 390                         recipients,
 391                         unidentifiedAccess,
 392                         message),
 393                 recipientIds,
 394                 distributionId);
 395
 396         for (var r : results) {
 397             handleSendMessageResult(r);
 398         }
 399
 400         return results;
 401     }
 402
 403     private GroupInfo getGroupForSending(GroupId groupId) throws GroupNotFoundException, NotAGroupMemberException {
 404         var g = context.getGroupHelper().getGroup(groupId);
 405         if (g == null) {
 406             throw new GroupNotFoundException(groupId);
 407         }
 408         if (!g.isMember(account.getSelfRecipientId())) {
 409             throw new NotAGroupMemberException(groupId, g.getTitle());
 410         }
 411         return g;
 412     }
 413
 414     private List<SendMessageResult> sendGroupMessageInternal(
 415             final LegacySenderHandler legacySender,
 416             final SenderKeySenderHandler senderKeySender,
 417             final Set<RecipientId> recipientIds,
 418             final DistributionId distributionId
 419     ) throws IOException {
 420         long startTime = System.currentTimeMillis();
 421         // isRecipientUpdate is true if we've already sent this message to some recipients in the past, otherwise false.
 422         final var isRecipientUpdate = false;
 423         Set<RecipientId> senderKeyTargets = distributionId == null
 424                 ? Set.of()
 425                 : getSenderKeyCapableRecipientIds(recipientIds);
 426         final var allResults = new ArrayList<SendMessageResult>(recipientIds.size());
 427
 428         if (senderKeyTargets.size() > 0) {
 429             final var results = sendGroupMessageInternalWithSenderKey(senderKeySender,
 430                     senderKeyTargets,
 431                     distributionId,
 432                     isRecipientUpdate);
 433
 434             if (results == null) {
 435                 senderKeyTargets = Set.of();
 436             } else {
 437                 results.stream().filter(SendMessageResult::isSuccess).forEach(allResults::add);
 438                 final var failedTargets = results.stream()
 439                         .filter(r -> !r.isSuccess())
 440                         .map(r -> context.getRecipientHelper().resolveRecipient(r.getAddress()))
 441                         .toList();
 442                 if (failedTargets.size() > 0) {
 443                     senderKeyTargets = new HashSet<>(senderKeyTargets);
 444                     failedTargets.forEach(senderKeyTargets::remove);
 445                 }
 446             }
 447         }
 448
 449         final var legacyTargets = new HashSet<>(recipientIds);
 450         legacyTargets.removeAll(senderKeyTargets);
 451         final boolean onlyTargetIsSelfWithLinkedDevice = recipientIds.isEmpty() && account.isMultiDevice();
 452
 453         if (legacyTargets.size() > 0 || onlyTargetIsSelfWithLinkedDevice) {
 454             if (legacyTargets.size() > 0) {
 455                 logger.debug("Need to do {} legacy sends.", legacyTargets.size());
 456             } else {
 457                 logger.debug("Need to do a legacy send to send a sync message for a group of only ourselves.");
 458             }
 459
 460             final List<SendMessageResult> results = sendGroupMessageInternalWithLegacy(legacySender,
 461                     legacyTargets,
 462                     isRecipientUpdate || allResults.size() > 0);
 463             allResults.addAll(results);
 464         }
 465         final var duration = Duration.ofMillis(System.currentTimeMillis() - startTime);
 466         logger.debug("Sending took {}", duration.toString());
 467         return allResults;
 468     }
 469
 470     private Set<RecipientId> getSenderKeyCapableRecipientIds(final Set<RecipientId> recipientIds) {
 471         final var selfProfile = context.getProfileHelper().getSelfProfile();
 472         if (selfProfile == null || !selfProfile.getCapabilities().contains(Profile.Capability.senderKey)) {
 473             logger.debug("Not all of our devices support sender key. Using legacy.");
 474             return Set.of();
 475         }
 476
 477         final var senderKeyTargets = new HashSet<RecipientId>();
 478         final var recipientList = new ArrayList<>(recipientIds);
 479         final var profiles = context.getProfileHelper().getRecipientProfiles(recipientList).iterator();
 480         for (final var recipientId : recipientList) {
 481             final var profile = profiles.next();
 482             if (profile == null || !profile.getCapabilities().contains(Profile.Capability.senderKey)) {
 483                 continue;
 484             }
 485
 486             final var access = context.getUnidentifiedAccessHelper().getAccessFor(recipientId);
 487             if (access.isEmpty() || access.get().getTargetUnidentifiedAccess().isEmpty()) {
 488                 continue;
 489             }
 490
 491             final var serviceId = account.getRecipientAddressResolver()
 492                     .resolveRecipientAddress(recipientId)
 493                     .getServiceId();
 494             final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
 495             if (identity == null || !identity.getTrustLevel().isTrusted()) {
 496                 continue;
 497             }
 498
 499             senderKeyTargets.add(recipientId);
 500         }
 501
 502         if (senderKeyTargets.size() < 2) {
 503             logger.debug("Too few sender-key-capable users ({}). Doing all legacy sends.", senderKeyTargets.size());
 504             return Set.of();
 505         }
 506
 507         logger.debug("Can use sender key for {}/{} recipients.", senderKeyTargets.size(), recipientIds.size());
 508         return senderKeyTargets;
 509     }
 510
 511     private List<SendMessageResult> sendGroupMessageInternalWithLegacy(
 512             final LegacySenderHandler sender, final Set<RecipientId> recipientIds, final boolean isRecipientUpdate
 513     ) throws IOException {
 514         final var recipientIdList = new ArrayList<>(recipientIds);
 515         final var addresses = recipientIdList.stream()
 516                 .map(context.getRecipientHelper()::resolveSignalServiceAddress)
 517                 .toList();
 518         final var unidentifiedAccesses = context.getUnidentifiedAccessHelper().getAccessFor(recipientIdList);
 519         try {
 520             final var results = sender.send(addresses, unidentifiedAccesses, isRecipientUpdate);
 521
 522             final var successCount = results.stream().filter(SendMessageResult::isSuccess).count();
 523             logger.debug("Successfully sent using 1:1 to {}/{} legacy targets.", successCount, recipientIdList.size());
 524             return results;
 525         } catch (org.whispersystems.signalservice.api.crypto.UntrustedIdentityException e) {
 526             return List.of();
 527         }
 528     }
 529
 530     private List<SendMessageResult> sendGroupMessageInternalWithSenderKey(
 531             final SenderKeySenderHandler sender,
 532             final Set<RecipientId> recipientIds,
 533             final DistributionId distributionId,
 534             final boolean isRecipientUpdate
 535     ) throws IOException {
 536         final var recipientIdList = new ArrayList<>(recipientIds);
 537
 538         long keyCreateTime = account.getSenderKeyStore()
 539                 .getCreateTimeForOurKey(account.getAci(), account.getDeviceId(), distributionId);
 540         long keyAge = System.currentTimeMillis() - keyCreateTime;
 541
 542         if (keyCreateTime != -1 && keyAge > TimeUnit.DAYS.toMillis(14)) {
 543             logger.debug("DistributionId {} was created at {} and is {} ms old (~{} days). Rotating.",
 544                     distributionId,
 545                     keyCreateTime,
 546                     keyAge,
 547                     TimeUnit.MILLISECONDS.toDays(keyAge));
 548             account.getSenderKeyStore().deleteOurKey(account.getAci(), distributionId);
 549         }
 550
 551         List<SignalServiceAddress> addresses = recipientIdList.stream()
 552                 .map(context.getRecipientHelper()::resolveSignalServiceAddress)
 553                 .toList();
 554         List<UnidentifiedAccess> unidentifiedAccesses = context.getUnidentifiedAccessHelper()
 555                 .getAccessFor(recipientIdList)
 556                 .stream()
 557                 .map(Optional::get)
 558                 .map(UnidentifiedAccessPair::getTargetUnidentifiedAccess)
 559                 .map(Optional::get)
 560                 .toList();
 561
 562         try {
 563             List<SendMessageResult> results = sender.send(distributionId,
 564                     addresses,
 565                     unidentifiedAccesses,
 566                     isRecipientUpdate);
 567
 568             final var successCount = results.stream().filter(SendMessageResult::isSuccess).count();
 569             logger.debug("Successfully sent using sender key to {}/{} sender key targets.",
 570                     successCount,
 571                     addresses.size());
 572
 573             return results;
 574         } catch (org.whispersystems.signalservice.api.crypto.UntrustedIdentityException e) {
 575             return null;
 576         } catch (InvalidUnidentifiedAccessHeaderException e) {
 577             logger.warn("Someone had a bad UD header. Falling back to legacy sends.", e);
 578             return null;
 579         } catch (NoSessionException e) {
 580             logger.warn("No session. Falling back to legacy sends.", e);
 581             account.getSenderKeyStore().deleteOurKey(account.getAci(), distributionId);
 582             return null;
 583         } catch (InvalidKeyException e) {
 584             logger.warn("Invalid key. Falling back to legacy sends.", e);
 585             account.getSenderKeyStore().deleteOurKey(account.getAci(), distributionId);
 586             return null;
 587         } catch (InvalidRegistrationIdException e) {
 588             logger.warn("Invalid registrationId. Falling back to legacy sends.", e);
 589             return null;
 590         } catch (NotFoundException e) {
 591             logger.warn("Someone was unregistered. Falling back to legacy sends.", e);
 592             return null;
 593         }
 594     }
 595
 596     private SendMessageResult sendMessage(
 597             SignalServiceDataMessage message, RecipientId recipientId
 598     ) {
 599         final var messageSendLogStore = account.getMessageSendLogStore();
 600         final var urgent = true;
 601         final var result = handleSendMessage(recipientId,
 602                 (messageSender, address, unidentifiedAccess) -> messageSender.sendDataMessage(address,
 603                         unidentifiedAccess,
 604                         ContentHint.RESENDABLE,
 605                         message,
 606                         SignalServiceMessageSender.IndividualSendEvents.EMPTY,
 607                         urgent,
 608                         false));
 609         messageSendLogStore.insertIfPossible(message.getTimestamp(), result, ContentHint.RESENDABLE, urgent);
 610         handleSendMessageResult(result);
 611         return result;
 612     }
 613
 614     private SendMessageResult handleSendMessage(RecipientId recipientId, SenderHandler s) {
 615         var messageSender = dependencies.getMessageSender();
 616
 617         var address = context.getRecipientHelper().resolveSignalServiceAddress(recipientId);
 618         try {
 619             try {
 620                 return s.send(messageSender, address, context.getUnidentifiedAccessHelper().getAccessFor(recipientId));
 621             } catch (UnregisteredUserException e) {
 622                 final RecipientId newRecipientId;
 623                 try {
 624                     newRecipientId = context.getRecipientHelper().refreshRegisteredUser(recipientId);
 625                 } catch (UnregisteredRecipientException ex) {
 626                     return SendMessageResult.unregisteredFailure(address);
 627                 }
 628                 address = context.getRecipientHelper().resolveSignalServiceAddress(newRecipientId);
 629                 return s.send(messageSender,
 630                         address,
 631                         context.getUnidentifiedAccessHelper().getAccessFor(newRecipientId));
 632             }
 633         } catch (UnregisteredUserException e) {
 634             return SendMessageResult.unregisteredFailure(address);
 635         } catch (ProofRequiredException e) {
 636             return SendMessageResult.proofRequiredFailure(address, e);
 637         } catch (RateLimitException e) {
 638             logger.warn("Sending failed due to rate limiting from the signal server: {}", e.getMessage());
 639             return SendMessageResult.rateLimitFailure(address, e);
 640         } catch (org.whispersystems.signalservice.api.crypto.UntrustedIdentityException e) {
 641             return SendMessageResult.identityFailure(address, e.getIdentityKey());
 642         } catch (IOException e) {
 643             logger.warn("Failed to send message due to IO exception: {}", e.getMessage());
 644             return SendMessageResult.networkFailure(address);
 645         }
 646     }
 647
 648     private SendMessageResult sendSelfMessage(SignalServiceDataMessage message) {
 649         var address = account.getSelfAddress();
 650         var transcript = new SentTranscriptMessage(Optional.of(address),
 651                 message.getTimestamp(),
 652                 Optional.of(message),
 653                 message.getExpiresInSeconds(),
 654                 Map.of(address.getServiceId(), true),
 655                 false,
 656                 Optional.empty(),
 657                 Set.of());
 658         var syncMessage = SignalServiceSyncMessage.forSentTranscript(transcript);
 659
 660         return sendSyncMessage(syncMessage);
 661     }
 662
 663     private void handleSendMessageResult(final SendMessageResult r) {
 664         if (r.isSuccess() && !r.getSuccess().isUnidentified()) {
 665             final var recipientId = context.getRecipientHelper().resolveRecipient(r.getAddress());
 666             final var profile = account.getProfileStore().getProfile(recipientId);
 667             if (profile != null && (
 668                     profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.ENABLED
 669                             || profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED
 670             )) {
 671                 account.getProfileStore()
 672                         .storeProfile(recipientId,
 673                                 Profile.newBuilder(profile)
 674                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 675                                         .build());
 676             }
 677         }
 678         if (r.isUnregisteredFailure()) {
 679             final var recipientId = context.getRecipientHelper().resolveRecipient(r.getAddress());
 680             final var profile = account.getProfileStore().getProfile(recipientId);
 681             if (profile != null && (
 682                     profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.ENABLED
 683                             || profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED
 684             )) {
 685                 account.getProfileStore()
 686                         .storeProfile(recipientId,
 687                                 Profile.newBuilder(profile)
 688                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 689                                         .build());
 690             }
 691         }
 692         if (r.getIdentityFailure() != null) {
 693             final var recipientId = context.getRecipientHelper().resolveRecipient(r.getAddress());
 694             context.getIdentityHelper()
 695                     .handleIdentityFailure(recipientId, r.getAddress().getServiceId(), r.getIdentityFailure());
 696         }
 697     }
 698
 699     interface SenderHandler {
 700
 701         SendMessageResult send(
 702                 SignalServiceMessageSender messageSender,
 703                 SignalServiceAddress address,
 704                 Optional<UnidentifiedAccessPair> unidentifiedAccess
 705         ) throws IOException, UnregisteredUserException, ProofRequiredException, RateLimitException, org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
 706     }
 707
 708     interface SenderKeySenderHandler {
 709
 710         List<SendMessageResult> send(
 711                 DistributionId distributionId,
 712                 List<SignalServiceAddress> recipients,
 713                 List<UnidentifiedAccess> unidentifiedAccess,
 714                 boolean isRecipientUpdate
 715         ) throws IOException, UntrustedIdentityException, NoSessionException, InvalidKeyException, InvalidRegistrationIdException;
 716     }
 717
 718     interface LegacySenderHandler {
 719
 720         List<SendMessageResult> send(
 721                 List<SignalServiceAddress> recipients,
 722                 List<Optional<UnidentifiedAccessPair>> unidentifiedAccess,
 723                 boolean isRecipientUpdate
 724         ) throws IOException, UntrustedIdentityException;
 725     }
 726 }