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

   1 /*
   2   Copyright (C) 2015-2022 AsamK and contributors
   3
   4   This program is free software: you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation, either version 3 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.asamk.signal.manager;
  18
  19 import org.asamk.signal.manager.api.AttachmentInvalidException;
  20 import org.asamk.signal.manager.api.Configuration;
  21 import org.asamk.signal.manager.api.Device;
  22 import org.asamk.signal.manager.api.Group;
  23 import org.asamk.signal.manager.api.Identity;
  24 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  25 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  26 import org.asamk.signal.manager.api.InvalidStickerException;
  27 import org.asamk.signal.manager.api.Message;
  28 import org.asamk.signal.manager.api.NotMasterDeviceException;
  29 import org.asamk.signal.manager.api.Pair;
  30 import org.asamk.signal.manager.api.RecipientIdentifier;
  31 import org.asamk.signal.manager.api.SendGroupMessageResults;
  32 import org.asamk.signal.manager.api.SendMessageResult;
  33 import org.asamk.signal.manager.api.SendMessageResults;
  34 import org.asamk.signal.manager.api.StickerPack;
  35 import org.asamk.signal.manager.api.StickerPackId;
  36 import org.asamk.signal.manager.api.StickerPackInvalidException;
  37 import org.asamk.signal.manager.api.StickerPackUrl;
  38 import org.asamk.signal.manager.api.TypingAction;
  39 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  40 import org.asamk.signal.manager.api.UpdateGroup;
  41 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  42 import org.asamk.signal.manager.groups.GroupId;
  43 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  44 import org.asamk.signal.manager.groups.GroupNotFoundException;
  45 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  46 import org.asamk.signal.manager.groups.LastGroupAdminException;
  47 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  48 import org.asamk.signal.manager.helper.AccountFileUpdater;
  49 import org.asamk.signal.manager.helper.Context;
  50 import org.asamk.signal.manager.storage.SignalAccount;
  51 import org.asamk.signal.manager.storage.groups.GroupInfo;
  52 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  53 import org.asamk.signal.manager.storage.recipients.Contact;
  54 import org.asamk.signal.manager.storage.recipients.Profile;
  55 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  56 import org.asamk.signal.manager.storage.recipients.RecipientId;
  57 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  58 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  59 import org.asamk.signal.manager.storage.stickers.Sticker;
  60 import org.asamk.signal.manager.util.AttachmentUtils;
  61 import org.asamk.signal.manager.util.KeyUtils;
  62 import org.asamk.signal.manager.util.StickerUtils;
  63 import org.slf4j.Logger;
  64 import org.slf4j.LoggerFactory;
  65 import org.whispersystems.signalservice.api.SignalSessionLock;
  66 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  67 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  68 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  69 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  70 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  71 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  72 import org.whispersystems.signalservice.internal.util.Hex;
  73 import org.whispersystems.signalservice.internal.util.Util;
  74
  75 import java.io.File;
  76 import java.io.IOException;
  77 import java.net.URI;
  78 import java.time.Duration;
  79 import java.util.ArrayList;
  80 import java.util.HashMap;
  81 import java.util.HashSet;
  82 import java.util.List;
  83 import java.util.Map;
  84 import java.util.Optional;
  85 import java.util.Set;
  86 import java.util.UUID;
  87 import java.util.concurrent.ExecutorService;
  88 import java.util.concurrent.Executors;
  89 import java.util.concurrent.atomic.AtomicInteger;
  90 import java.util.concurrent.locks.ReentrantLock;
  91 import java.util.function.Function;
  92 import java.util.stream.Collectors;
  93 import java.util.stream.Stream;
  94
  95 import io.reactivex.rxjava3.disposables.CompositeDisposable;
  96
  97 class ManagerImpl implements Manager {
  98
  99     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 100
 101     private SignalAccount account;
 102     private final SignalDependencies dependencies;
 103     private final Context context;
 104
 105     private final ExecutorService executor = Executors.newCachedThreadPool();
 106
 107     private Thread receiveThread;
 108     private boolean isReceivingSynchronous;
 109     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 110     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 111     private final List<Runnable> closedListeners = new ArrayList<>();
 112     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 113     private final CompositeDisposable disposable = new CompositeDisposable();
 114
 115     ManagerImpl(
 116             SignalAccount account,
 117             PathConfig pathConfig,
 118             AccountFileUpdater accountFileUpdater,
 119             ServiceEnvironmentConfig serviceEnvironmentConfig,
 120             String userAgent
 121     ) {
 122         this.account = account;
 123
 124         final var sessionLock = new SignalSessionLock() {
 125             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 126
 127             @Override
 128             public Lock acquire() {
 129                 LEGACY_LOCK.lock();
 130                 return LEGACY_LOCK::unlock;
 131             }
 132         };
 133         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 134                 userAgent,
 135                 account.getCredentialsProvider(),
 136                 account.getSignalServiceDataStore(),
 137                 executor,
 138                 sessionLock);
 139         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 140         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 141         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 142
 143         this.context = new Context(account, (number, aci) -> {
 144             accountFileUpdater.updateAccountIdentifiers(number, aci);
 145             synchronized (addressChangedListeners) {
 146                 addressChangedListeners.forEach(Runnable::run);
 147             }
 148         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 149         this.context.getAccountHelper().setUnregisteredListener(this::close);
 150         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 151         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 152             synchronized (this) {
 153                 this.notifyAll();
 154             }
 155         });
 156         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(recipientId -> {
 157             logger.trace("Archiving old sessions for {}", recipientId);
 158             account.getSessionStore().archiveSessions(recipientId);
 159             account.getSenderKeyStore().deleteSharedWith(recipientId);
 160             final var profile = account.getRecipientStore().getProfile(recipientId);
 161             if (profile != null) {
 162                 account.getRecipientStore()
 163                         .storeProfile(recipientId,
 164                                 Profile.newBuilder(profile)
 165                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 166                                         .withLastUpdateTimestamp(0)
 167                                         .build());
 168             }
 169         }));
 170     }
 171
 172     @Override
 173     public String getSelfNumber() {
 174         return account.getNumber();
 175     }
 176
 177     void checkAccountState() throws IOException {
 178         context.getAccountHelper().checkAccountState();
 179     }
 180
 181     @Override
 182     public Map<String, Pair<String, UUID>> areUsersRegistered(Set<String> numbers) throws IOException {
 183         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 184             try {
 185                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 186                 if (!canonicalizedNumber.equals(n)) {
 187                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 188                 }
 189                 return canonicalizedNumber;
 190             } catch (InvalidNumberException e) {
 191                 return "";
 192             }
 193         }));
 194
 195         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 196         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 197                 .stream()
 198                 .filter(s -> !s.isEmpty())
 199                 .collect(Collectors.toSet());
 200         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 201
 202         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 203             final var number = canonicalizedNumbers.get(n);
 204             final var aci = registeredUsers.get(number);
 205             return new Pair<>(number.isEmpty() ? null : number, aci == null ? null : aci.uuid());
 206         }));
 207     }
 208
 209     @Override
 210     public void updateAccountAttributes(String deviceName) throws IOException {
 211         if (deviceName != null) {
 212             context.getAccountHelper().setDeviceName(deviceName);
 213         }
 214         context.getAccountHelper().updateAccountAttributes();
 215     }
 216
 217     @Override
 218     public Configuration getConfiguration() {
 219         final var configurationStore = account.getConfigurationStore();
 220         return Configuration.from(configurationStore);
 221     }
 222
 223     @Override
 224     public void updateConfiguration(
 225             Configuration configuration
 226     ) throws NotMasterDeviceException {
 227         if (!account.isMasterDevice()) {
 228             throw new NotMasterDeviceException();
 229         }
 230
 231         final var configurationStore = account.getConfigurationStore();
 232         if (configuration.readReceipts().isPresent()) {
 233             configurationStore.setReadReceipts(configuration.readReceipts().get());
 234         }
 235         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 236             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 237         }
 238         if (configuration.typingIndicators().isPresent()) {
 239             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 240         }
 241         if (configuration.linkPreviews().isPresent()) {
 242             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 243         }
 244         context.getSyncHelper().sendConfigurationMessage();
 245     }
 246
 247     @Override
 248     public void setProfile(
 249             String givenName, final String familyName, String about, String aboutEmoji, Optional<File> avatar
 250     ) throws IOException {
 251         context.getProfileHelper().setProfile(givenName, familyName, about, aboutEmoji, avatar);
 252         context.getSyncHelper().sendSyncFetchProfileMessage();
 253     }
 254
 255     @Override
 256     public void unregister() throws IOException {
 257         context.getAccountHelper().unregister();
 258     }
 259
 260     @Override
 261     public void deleteAccount() throws IOException {
 262         context.getAccountHelper().deleteAccount();
 263     }
 264
 265     @Override
 266     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 267         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 268
 269         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 270     }
 271
 272     @Override
 273     public List<Device> getLinkedDevices() throws IOException {
 274         var devices = dependencies.getAccountManager().getDevices();
 275         account.setMultiDevice(devices.size() > 1);
 276         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 277         return devices.stream().map(d -> {
 278             String deviceName = d.getName();
 279             if (deviceName != null) {
 280                 try {
 281                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 282                 } catch (IOException e) {
 283                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 284                 }
 285             }
 286             return new Device(d.getId(),
 287                     deviceName,
 288                     d.getCreated(),
 289                     d.getLastSeen(),
 290                     d.getId() == account.getDeviceId());
 291         }).toList();
 292     }
 293
 294     @Override
 295     public void removeLinkedDevices(int deviceId) throws IOException {
 296         context.getAccountHelper().removeLinkedDevices(deviceId);
 297     }
 298
 299     @Override
 300     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 301         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 302         context.getAccountHelper().addDevice(deviceLinkInfo);
 303     }
 304
 305     @Override
 306     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotMasterDeviceException {
 307         if (!account.isMasterDevice()) {
 308             throw new NotMasterDeviceException();
 309         }
 310         if (pin.isPresent()) {
 311             context.getAccountHelper().setRegistrationPin(pin.get());
 312         } else {
 313             context.getAccountHelper().removeRegistrationPin();
 314         }
 315     }
 316
 317     void refreshPreKeys() throws IOException {
 318         context.getPreKeyHelper().refreshPreKeys();
 319     }
 320
 321     @Override
 322     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
 323         return context.getProfileHelper().getRecipientProfile(context.getRecipientHelper().resolveRecipient(recipient));
 324     }
 325
 326     @Override
 327     public List<Group> getGroups() {
 328         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 329     }
 330
 331     private Group toGroup(final GroupInfo groupInfo) {
 332         if (groupInfo == null) {
 333             return null;
 334         }
 335
 336         return Group.from(groupInfo,
 337                 account.getRecipientStore()::resolveRecipientAddress,
 338                 account.getSelfRecipientId());
 339     }
 340
 341     @Override
 342     public SendGroupMessageResults quitGroup(
 343             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 344     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 345         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 346         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 347     }
 348
 349     @Override
 350     public void deleteGroup(GroupId groupId) throws IOException {
 351         final var group = context.getGroupHelper().getGroup(groupId);
 352         if (group.isMember(account.getSelfRecipientId())) {
 353             throw new IOException(
 354                     "The local group information cannot be removed, as the user is still a member of the group");
 355         }
 356         context.getGroupHelper().deleteGroup(groupId);
 357     }
 358
 359     @Override
 360     public Pair<GroupId, SendGroupMessageResults> createGroup(
 361             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 362     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 363         return context.getGroupHelper()
 364                 .createGroup(name,
 365                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 366                         avatarFile);
 367     }
 368
 369     @Override
 370     public SendGroupMessageResults updateGroup(
 371             final GroupId groupId, final UpdateGroup updateGroup
 372     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 373         return context.getGroupHelper()
 374                 .updateGroup(groupId,
 375                         updateGroup.getName(),
 376                         updateGroup.getDescription(),
 377                         updateGroup.getMembers() == null
 378                                 ? null
 379                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 380                         updateGroup.getRemoveMembers() == null
 381                                 ? null
 382                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 383                         updateGroup.getAdmins() == null
 384                                 ? null
 385                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 386                         updateGroup.getRemoveAdmins() == null
 387                                 ? null
 388                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 389                         updateGroup.isResetGroupLink(),
 390                         updateGroup.getGroupLinkState(),
 391                         updateGroup.getAddMemberPermission(),
 392                         updateGroup.getEditDetailsPermission(),
 393                         updateGroup.getAvatarFile(),
 394                         updateGroup.getExpirationTimer(),
 395                         updateGroup.getIsAnnouncementGroup());
 396     }
 397
 398     @Override
 399     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 400             GroupInviteLinkUrl inviteLinkUrl
 401     ) throws IOException, InactiveGroupLinkException {
 402         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 403     }
 404
 405     private SendMessageResults sendMessage(
 406             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 407     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 408         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 409         long timestamp = System.currentTimeMillis();
 410         messageBuilder.withTimestamp(timestamp);
 411         for (final var recipient : recipients) {
 412             if (recipient instanceof RecipientIdentifier.Single single) {
 413                 try {
 414                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 415                     final var result = context.getSendHelper().sendMessage(messageBuilder, recipientId);
 416                     results.put(recipient, List.of(toSendMessageResult(result)));
 417                 } catch (UnregisteredRecipientException e) {
 418                     results.put(recipient,
 419                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 420                 }
 421             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 422                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder);
 423                 results.put(recipient, List.of(toSendMessageResult(result)));
 424             } else if (recipient instanceof RecipientIdentifier.Group group) {
 425                 final var result = context.getSendHelper().sendAsGroupMessage(messageBuilder, group.groupId());
 426                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 427             }
 428         }
 429         return new SendMessageResults(timestamp, results);
 430     }
 431
 432     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 433         return SendMessageResult.from(result,
 434                 account.getRecipientStore(),
 435                 account.getRecipientStore()::resolveRecipientAddress);
 436     }
 437
 438     private SendMessageResults sendTypingMessage(
 439             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 440     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 441         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 442         final var timestamp = System.currentTimeMillis();
 443         for (var recipient : recipients) {
 444             if (recipient instanceof RecipientIdentifier.Single single) {
 445                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 446                 try {
 447                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 448                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 449                     results.put(recipient, List.of(toSendMessageResult(result)));
 450                 } catch (UnregisteredRecipientException e) {
 451                     results.put(recipient,
 452                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 453                 }
 454             } else if (recipient instanceof RecipientIdentifier.Group) {
 455                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 456                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 457                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 458                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 459             }
 460         }
 461         return new SendMessageResults(timestamp, results);
 462     }
 463
 464     @Override
 465     public SendMessageResults sendTypingMessage(
 466             TypingAction action, Set<RecipientIdentifier> recipients
 467     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 468         return sendTypingMessage(action.toSignalService(), recipients);
 469     }
 470
 471     @Override
 472     public SendMessageResults sendReadReceipt(
 473             RecipientIdentifier.Single sender, List<Long> messageIds
 474     ) throws IOException {
 475         final var timestamp = System.currentTimeMillis();
 476         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 477                 messageIds,
 478                 timestamp);
 479
 480         return sendReceiptMessage(sender, timestamp, receiptMessage);
 481     }
 482
 483     @Override
 484     public SendMessageResults sendViewedReceipt(
 485             RecipientIdentifier.Single sender, List<Long> messageIds
 486     ) throws IOException {
 487         final var timestamp = System.currentTimeMillis();
 488         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 489                 messageIds,
 490                 timestamp);
 491
 492         return sendReceiptMessage(sender, timestamp, receiptMessage);
 493     }
 494
 495     private SendMessageResults sendReceiptMessage(
 496             final RecipientIdentifier.Single sender,
 497             final long timestamp,
 498             final SignalServiceReceiptMessage receiptMessage
 499     ) throws IOException {
 500         try {
 501             final var result = context.getSendHelper()
 502                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 503             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 504         } catch (UnregisteredRecipientException e) {
 505             return new SendMessageResults(timestamp,
 506                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 507         }
 508     }
 509
 510     @Override
 511     public SendMessageResults sendMessage(
 512             Message message, Set<RecipientIdentifier> recipients
 513     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 514         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 515         applyMessage(messageBuilder, message);
 516         return sendMessage(messageBuilder, recipients);
 517     }
 518
 519     private void applyMessage(
 520             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 521     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 522         messageBuilder.withBody(message.messageText());
 523         final var attachments = message.attachments();
 524         if (attachments != null) {
 525             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(attachments));
 526         }
 527         if (message.mentions().size() > 0) {
 528             messageBuilder.withMentions(resolveMentions(message.mentions()));
 529         }
 530         if (message.quote().isPresent()) {
 531             final var quote = message.quote().get();
 532             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 533                     context.getRecipientHelper()
 534                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author())),
 535                     quote.message(),
 536                     List.of(),
 537                     resolveMentions(quote.mentions())));
 538         }
 539         if (message.sticker().isPresent()) {
 540             final var sticker = message.sticker().get();
 541             final var packId = StickerPackId.deserialize(sticker.packId());
 542             final var stickerId = sticker.stickerId();
 543
 544             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 545             if (stickerPack == null) {
 546                 throw new InvalidStickerException("Sticker pack not found");
 547             }
 548             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.getPackKey());
 549             if (manifest.stickers().size() <= stickerId) {
 550                 throw new InvalidStickerException("Sticker id not part of this pack");
 551             }
 552             final var manifestSticker = manifest.stickers().get(stickerId);
 553             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 554             if (streamDetails == null) {
 555                 throw new InvalidStickerException("Missing local sticker file");
 556             }
 557             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 558                     stickerPack.getPackKey(),
 559                     stickerId,
 560                     manifestSticker.emoji(),
 561                     AttachmentUtils.createAttachment(streamDetails, Optional.empty())));
 562         }
 563     }
 564
 565     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws IOException, UnregisteredRecipientException {
 566         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 567         for (final var m : mentionList) {
 568             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 569             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 570                     .resolveSignalServiceAddress(recipientId)
 571                     .getServiceId(), m.start(), m.length()));
 572         }
 573         return mentions;
 574     }
 575
 576     @Override
 577     public SendMessageResults sendRemoteDeleteMessage(
 578             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 579     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 580         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 581         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 582         for (final var recipient : recipients) {
 583             if (recipient instanceof RecipientIdentifier.Single r) {
 584                 try {
 585                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 586                     account.getMessageSendLogStore().deleteEntryForRecipientNonGroup(targetSentTimestamp, recipientId);
 587                 } catch (UnregisteredRecipientException ignored) {
 588                 }
 589             } else if (recipient instanceof RecipientIdentifier.Group r) {
 590                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 591             }
 592         }
 593         return sendMessage(messageBuilder, recipients);
 594     }
 595
 596     @Override
 597     public SendMessageResults sendMessageReaction(
 598             String emoji,
 599             boolean remove,
 600             RecipientIdentifier.Single targetAuthor,
 601             long targetSentTimestamp,
 602             Set<RecipientIdentifier> recipients
 603     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 604         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 605         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 606                 remove,
 607                 context.getRecipientHelper().resolveSignalServiceAddress(targetAuthorRecipientId),
 608                 targetSentTimestamp);
 609         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 610         return sendMessage(messageBuilder, recipients);
 611     }
 612
 613     @Override
 614     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 615         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 616
 617         try {
 618             return sendMessage(messageBuilder,
 619                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 620         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 621             throw new AssertionError(e);
 622         } finally {
 623             for (var recipient : recipients) {
 624                 final RecipientId recipientId;
 625                 try {
 626                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 627                 } catch (UnregisteredRecipientException e) {
 628                     continue;
 629                 }
 630                 account.getSessionStore().deleteAllSessions(recipientId);
 631             }
 632         }
 633     }
 634
 635     @Override
 636     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 637         account.removeRecipient(account.getRecipientStore().resolveRecipient(recipient.toPartialRecipientAddress()));
 638     }
 639
 640     @Override
 641     public void deleteContact(final RecipientIdentifier.Single recipient) {
 642         account.getContactStore()
 643                 .deleteContact(account.getRecipientStore().resolveRecipient(recipient.toPartialRecipientAddress()));
 644     }
 645
 646     @Override
 647     public void setContactName(
 648             RecipientIdentifier.Single recipient, String name
 649     ) throws NotMasterDeviceException, IOException, UnregisteredRecipientException {
 650         if (!account.isMasterDevice()) {
 651             throw new NotMasterDeviceException();
 652         }
 653         context.getContactHelper().setContactName(context.getRecipientHelper().resolveRecipient(recipient), name);
 654     }
 655
 656     @Override
 657     public void setContactBlocked(
 658             RecipientIdentifier.Single recipient, boolean blocked
 659     ) throws NotMasterDeviceException, IOException, UnregisteredRecipientException {
 660         if (!account.isMasterDevice()) {
 661             throw new NotMasterDeviceException();
 662         }
 663         context.getContactHelper().setContactBlocked(context.getRecipientHelper().resolveRecipient(recipient), blocked);
 664         // TODO cycle our profile key, if we're not together in a group with recipient
 665         context.getSyncHelper().sendBlockedList();
 666     }
 667
 668     @Override
 669     public void setGroupBlocked(
 670             final GroupId groupId, final boolean blocked
 671     ) throws GroupNotFoundException, NotMasterDeviceException {
 672         if (!account.isMasterDevice()) {
 673             throw new NotMasterDeviceException();
 674         }
 675         context.getGroupHelper().setGroupBlocked(groupId, blocked);
 676         // TODO cycle our profile key
 677         context.getSyncHelper().sendBlockedList();
 678     }
 679
 680     @Override
 681     public void setExpirationTimer(
 682             RecipientIdentifier.Single recipient, int messageExpirationTimer
 683     ) throws IOException, UnregisteredRecipientException {
 684         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 685         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 686         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 687         try {
 688             sendMessage(messageBuilder, Set.of(recipient));
 689         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 690             throw new AssertionError(e);
 691         }
 692     }
 693
 694     @Override
 695     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 696         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 697
 698         var messageSender = dependencies.getMessageSender();
 699
 700         var packKey = KeyUtils.createStickerUploadKey();
 701         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 702         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 703
 704         var sticker = new Sticker(packId, packKey);
 705         account.getStickerStore().updateSticker(sticker);
 706
 707         return new StickerPackUrl(packId, packKey);
 708     }
 709
 710     @Override
 711     public List<StickerPack> getStickerPacks() {
 712         final var stickerPackStore = context.getStickerPackStore();
 713         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 714             if (stickerPackStore.existsStickerPack(pack.getPackId())) {
 715                 try {
 716                     final var manifest = stickerPackStore.retrieveManifest(pack.getPackId());
 717                     return new StickerPack(pack.getPackId(),
 718                             new StickerPackUrl(pack.getPackId(), pack.getPackKey()),
 719                             pack.isInstalled(),
 720                             manifest.title(),
 721                             manifest.author(),
 722                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 723                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 724                 } catch (Exception e) {
 725                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 726                 }
 727             }
 728
 729             return new StickerPack(pack.getPackId(), pack.getPackKey(), pack.isInstalled());
 730         }).toList();
 731     }
 732
 733     @Override
 734     public void requestAllSyncData() throws IOException {
 735         context.getSyncHelper().requestAllSyncData();
 736         retrieveRemoteStorage();
 737     }
 738
 739     void retrieveRemoteStorage() throws IOException {
 740         if (account.getStorageKey() != null) {
 741             context.getStorageHelper().readDataFromStorage();
 742         }
 743     }
 744
 745     @Override
 746     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 747         if (isReceivingSynchronous) {
 748             throw new IllegalStateException("Already receiving message synchronously.");
 749         }
 750         synchronized (messageHandlers) {
 751             if (isWeakListener) {
 752                 weakHandlers.add(handler);
 753             } else {
 754                 messageHandlers.add(handler);
 755                 startReceiveThreadIfRequired();
 756             }
 757         }
 758     }
 759
 760     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 761
 762     private void startReceiveThreadIfRequired() {
 763         if (receiveThread != null) {
 764             return;
 765         }
 766         receiveThread = new Thread(() -> {
 767             logger.debug("Starting receiving messages");
 768             context.getReceiveHelper().receiveMessagesContinuously((envelope, e) -> {
 769                 synchronized (messageHandlers) {
 770                     Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 771                         try {
 772                             h.handleMessage(envelope, e);
 773                         } catch (Throwable ex) {
 774                             logger.warn("Message handler failed, ignoring", ex);
 775                         }
 776                     });
 777                 }
 778             });
 779             logger.debug("Finished receiving messages");
 780             synchronized (messageHandlers) {
 781                 receiveThread = null;
 782
 783                 // Check if in the meantime another handler has been registered
 784                 if (!messageHandlers.isEmpty()) {
 785                     logger.debug("Another handler has been registered, starting receive thread again");
 786                     startReceiveThreadIfRequired();
 787                 }
 788             }
 789         });
 790         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 791
 792         receiveThread.start();
 793     }
 794
 795     @Override
 796     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 797         final Thread thread;
 798         synchronized (messageHandlers) {
 799             weakHandlers.remove(handler);
 800             messageHandlers.remove(handler);
 801             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 802                 return;
 803             }
 804             thread = receiveThread;
 805             receiveThread = null;
 806         }
 807
 808         stopReceiveThread(thread);
 809     }
 810
 811     private void stopReceiveThread(final Thread thread) {
 812         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 813             logger.debug("Receive stop requested, interrupting read from server.");
 814             thread.interrupt();
 815         }
 816         try {
 817             thread.join();
 818         } catch (InterruptedException ignored) {
 819         }
 820     }
 821
 822     @Override
 823     public boolean isReceiving() {
 824         if (isReceivingSynchronous) {
 825             return true;
 826         }
 827         synchronized (messageHandlers) {
 828             return messageHandlers.size() > 0;
 829         }
 830     }
 831
 832     @Override
 833     public void receiveMessages(Duration timeout, ReceiveMessageHandler handler) throws IOException {
 834         receiveMessages(timeout, true, handler);
 835     }
 836
 837     @Override
 838     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
 839         receiveMessages(Duration.ofMinutes(1), false, handler);
 840     }
 841
 842     private void receiveMessages(
 843             Duration timeout, boolean returnOnTimeout, ReceiveMessageHandler handler
 844     ) throws IOException {
 845         if (isReceiving()) {
 846             throw new IllegalStateException("Already receiving message.");
 847         }
 848         isReceivingSynchronous = true;
 849         receiveThread = Thread.currentThread();
 850         try {
 851             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, handler);
 852         } finally {
 853             receiveThread = null;
 854             isReceivingSynchronous = false;
 855         }
 856     }
 857
 858     @Override
 859     public void setIgnoreAttachments(final boolean ignoreAttachments) {
 860         context.getReceiveHelper().setIgnoreAttachments(ignoreAttachments);
 861     }
 862
 863     @Override
 864     public boolean hasCaughtUpWithOldMessages() {
 865         return context.getReceiveHelper().hasCaughtUpWithOldMessages();
 866     }
 867
 868     @Override
 869     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
 870         final RecipientId recipientId;
 871         try {
 872             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 873         } catch (IOException | UnregisteredRecipientException e) {
 874             return false;
 875         }
 876         return context.getContactHelper().isContactBlocked(recipientId);
 877     }
 878
 879     @Override
 880     public void sendContacts() throws IOException {
 881         context.getSyncHelper().sendContacts();
 882     }
 883
 884     @Override
 885     public List<Pair<RecipientAddress, Contact>> getContacts() {
 886         return account.getContactStore()
 887                 .getContacts()
 888                 .stream()
 889                 .map(p -> new Pair<>(account.getRecipientStore().resolveRecipientAddress(p.first()), p.second()))
 890                 .toList();
 891     }
 892
 893     @Override
 894     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
 895         final RecipientId recipientId;
 896         try {
 897             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 898         } catch (IOException | UnregisteredRecipientException e) {
 899             return null;
 900         }
 901
 902         final var contact = account.getContactStore().getContact(recipientId);
 903         if (contact != null && !Util.isEmpty(contact.getName())) {
 904             return contact.getName();
 905         }
 906
 907         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
 908         if (profile != null) {
 909             return profile.getDisplayName();
 910         }
 911
 912         return null;
 913     }
 914
 915     @Override
 916     public Group getGroup(GroupId groupId) {
 917         return toGroup(context.getGroupHelper().getGroup(groupId));
 918     }
 919
 920     @Override
 921     public List<Identity> getIdentities() {
 922         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
 923     }
 924
 925     private Identity toIdentity(final IdentityInfo identityInfo) {
 926         if (identityInfo == null) {
 927             return null;
 928         }
 929
 930         final var address = account.getRecipientStore().resolveRecipientAddress(identityInfo.getRecipientId());
 931         final var scannableFingerprint = context.getIdentityHelper()
 932                 .computeSafetyNumberForScanning(identityInfo.getRecipientId(), identityInfo.getIdentityKey());
 933         return new Identity(address,
 934                 identityInfo.getIdentityKey(),
 935                 context.getIdentityHelper()
 936                         .computeSafetyNumber(identityInfo.getRecipientId(), identityInfo.getIdentityKey()),
 937                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
 938                 identityInfo.getTrustLevel(),
 939                 identityInfo.getDateAdded());
 940     }
 941
 942     @Override
 943     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
 944         IdentityInfo identity;
 945         try {
 946             identity = account.getIdentityKeyStore()
 947                     .getIdentity(context.getRecipientHelper().resolveRecipient(recipient));
 948         } catch (IOException | UnregisteredRecipientException e) {
 949             identity = null;
 950         }
 951         return identity == null ? List.of() : List.of(toIdentity(identity));
 952     }
 953
 954     @Override
 955     public boolean trustIdentityVerified(
 956             RecipientIdentifier.Single recipient, byte[] fingerprint
 957     ) throws UnregisteredRecipientException {
 958         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
 959     }
 960
 961     @Override
 962     public boolean trustIdentityVerifiedSafetyNumber(
 963             RecipientIdentifier.Single recipient, String safetyNumber
 964     ) throws UnregisteredRecipientException {
 965         return trustIdentity(recipient,
 966                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
 967     }
 968
 969     @Override
 970     public boolean trustIdentityVerifiedSafetyNumber(
 971             RecipientIdentifier.Single recipient, byte[] safetyNumber
 972     ) throws UnregisteredRecipientException {
 973         return trustIdentity(recipient,
 974                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
 975     }
 976
 977     @Override
 978     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
 979         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
 980     }
 981
 982     private boolean trustIdentity(
 983             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
 984     ) throws UnregisteredRecipientException {
 985         RecipientId recipientId;
 986         try {
 987             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 988         } catch (IOException e) {
 989             return false;
 990         }
 991         final var updated = trustMethod.apply(recipientId);
 992         if (updated && this.isReceiving()) {
 993             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
 994         }
 995         return updated;
 996     }
 997
 998     @Override
 999     public void addAddressChangedListener(final Runnable listener) {
1000         synchronized (addressChangedListeners) {
1001             addressChangedListeners.add(listener);
1002         }
1003     }
1004
1005     @Override
1006     public void addClosedListener(final Runnable listener) {
1007         synchronized (closedListeners) {
1008             closedListeners.add(listener);
1009         }
1010     }
1011
1012     @Override
1013     public void close() {
1014         Thread thread;
1015         synchronized (messageHandlers) {
1016             weakHandlers.clear();
1017             messageHandlers.clear();
1018             thread = receiveThread;
1019             receiveThread = null;
1020         }
1021         if (thread != null) {
1022             stopReceiveThread(thread);
1023         }
1024         executor.shutdown();
1025
1026         dependencies.getSignalWebSocket().disconnect();
1027         disposable.dispose();
1028
1029         if (account != null) {
1030             account.close();
1031         }
1032
1033         synchronized (closedListeners) {
1034             closedListeners.forEach(Runnable::run);
1035             closedListeners.clear();
1036         }
1037
1038         account = null;
1039     }
1040 }