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