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.libsignal.util.guava.Optional;
  66 import org.whispersystems.signalservice.api.SignalSessionLock;
  67 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  68 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  69 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  70 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  71 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  72 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  73 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  74 import org.whispersystems.signalservice.internal.util.Hex;
  75 import org.whispersystems.signalservice.internal.util.Util;
  76
  77 import java.io.File;
  78 import java.io.IOException;
  79 import java.net.URI;
  80 import java.time.Duration;
  81 import java.util.ArrayList;
  82 import java.util.HashMap;
  83 import java.util.HashSet;
  84 import java.util.List;
  85 import java.util.Map;
  86 import java.util.Set;
  87 import java.util.UUID;
  88 import java.util.concurrent.ExecutorService;
  89 import java.util.concurrent.Executors;
  90 import java.util.concurrent.atomic.AtomicInteger;
  91 import java.util.concurrent.locks.ReentrantLock;
  92 import java.util.function.Function;
  93 import java.util.stream.Collectors;
  94 import java.util.stream.Stream;
  95
  96 import io.reactivex.rxjava3.disposables.CompositeDisposable;
  97
  98 class ManagerImpl implements Manager {
  99
 100     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 101
 102     private SignalAccount account;
 103     private final AccountFileUpdater accountFileUpdater;
 104     private final SignalDependencies dependencies;
 105     private final Context context;
 106
 107     private final ExecutorService executor = Executors.newCachedThreadPool();
 108
 109     private Thread receiveThread;
 110     private boolean isReceivingSynchronous;
 111     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 112     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 113     private final List<Runnable> closedListeners = new ArrayList<>();
 114     private final CompositeDisposable disposable = new CompositeDisposable();
 115
 116     ManagerImpl(
 117             SignalAccount account,
 118             PathConfig pathConfig,
 119             AccountFileUpdater accountFileUpdater,
 120             ServiceEnvironmentConfig serviceEnvironmentConfig,
 121             String userAgent
 122     ) {
 123         this.account = account;
 124         this.accountFileUpdater = accountFileUpdater;
 125
 126         final var credentialsProvider = new DynamicCredentialsProvider(account.getAci(),
 127                 account.getNumber(),
 128                 account.getPassword(),
 129                 account.getDeviceId());
 130         final var sessionLock = new SignalSessionLock() {
 131             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 132
 133             @Override
 134             public Lock acquire() {
 135                 LEGACY_LOCK.lock();
 136                 return LEGACY_LOCK::unlock;
 137             }
 138         };
 139         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 140                 userAgent,
 141                 credentialsProvider,
 142                 account.getSignalProtocolStore(),
 143                 executor,
 144                 sessionLock);
 145         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 146         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 147         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 148
 149         this.context = new Context(account,
 150                 accountFileUpdater,
 151                 dependencies,
 152                 avatarStore,
 153                 attachmentStore,
 154                 stickerPackStore);
 155         this.context.getAccountHelper().setUnregisteredListener(this::close);
 156         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 157         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 158             synchronized (this) {
 159                 this.notifyAll();
 160             }
 161         });
 162         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(recipientId -> {
 163             logger.trace("Archiving old sessions for {}", recipientId);
 164             account.getSessionStore().archiveSessions(recipientId);
 165             account.getSenderKeyStore().deleteSharedWith(recipientId);
 166             final var profile = account.getRecipientStore().getProfile(recipientId);
 167             if (profile != null) {
 168                 account.getRecipientStore()
 169                         .storeProfile(recipientId,
 170                                 Profile.newBuilder(profile)
 171                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 172                                         .withLastUpdateTimestamp(0)
 173                                         .build());
 174             }
 175         }));
 176     }
 177
 178     @Override
 179     public String getSelfNumber() {
 180         return account.getNumber();
 181     }
 182
 183     void checkAccountState() throws IOException {
 184         context.getAccountHelper().checkAccountState();
 185     }
 186
 187     @Override
 188     public Map<String, Pair<String, UUID>> areUsersRegistered(Set<String> numbers) throws IOException {
 189         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 190             try {
 191                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 192                 if (!canonicalizedNumber.equals(n)) {
 193                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 194                 }
 195                 return canonicalizedNumber;
 196             } catch (InvalidNumberException e) {
 197                 return "";
 198             }
 199         }));
 200
 201         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 202         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 203                 .stream()
 204                 .filter(s -> !s.isEmpty())
 205                 .collect(Collectors.toSet());
 206         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 207
 208         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 209             final var number = canonicalizedNumbers.get(n);
 210             final var aci = registeredUsers.get(number);
 211             return new Pair<>(number.isEmpty() ? null : number, aci == null ? null : aci.uuid());
 212         }));
 213     }
 214
 215     @Override
 216     public void updateAccountAttributes(String deviceName) throws IOException {
 217         if (deviceName != null) {
 218             context.getAccountHelper().setDeviceName(deviceName);
 219         }
 220         context.getAccountHelper().updateAccountAttributes();
 221     }
 222
 223     @Override
 224     public Configuration getConfiguration() {
 225         final var configurationStore = account.getConfigurationStore();
 226         return Configuration.from(configurationStore);
 227     }
 228
 229     @Override
 230     public void updateConfiguration(
 231             Configuration configuration
 232     ) throws NotMasterDeviceException {
 233         if (!account.isMasterDevice()) {
 234             throw new NotMasterDeviceException();
 235         }
 236
 237         final var configurationStore = account.getConfigurationStore();
 238         if (configuration.readReceipts().isPresent()) {
 239             configurationStore.setReadReceipts(configuration.readReceipts().get());
 240         }
 241         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 242             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 243         }
 244         if (configuration.typingIndicators().isPresent()) {
 245             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 246         }
 247         if (configuration.linkPreviews().isPresent()) {
 248             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 249         }
 250         context.getSyncHelper().sendConfigurationMessage();
 251     }
 252
 253     @Override
 254     public void setProfile(
 255             String givenName, final String familyName, String about, String aboutEmoji, java.util.Optional<File> avatar
 256     ) throws IOException {
 257         context.getProfileHelper()
 258                 .setProfile(givenName,
 259                         familyName,
 260                         about,
 261                         aboutEmoji,
 262                         avatar == null ? null : Optional.fromNullable(avatar.orElse(null)));
 263         context.getSyncHelper().sendSyncFetchProfileMessage();
 264     }
 265
 266     @Override
 267     public void unregister() throws IOException {
 268         context.getAccountHelper().unregister();
 269     }
 270
 271     @Override
 272     public void deleteAccount() throws IOException {
 273         context.getAccountHelper().deleteAccount();
 274     }
 275
 276     @Override
 277     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 278         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 279
 280         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 281     }
 282
 283     @Override
 284     public List<Device> getLinkedDevices() throws IOException {
 285         var devices = dependencies.getAccountManager().getDevices();
 286         account.setMultiDevice(devices.size() > 1);
 287         var identityKey = account.getIdentityKeyPair().getPrivateKey();
 288         return devices.stream().map(d -> {
 289             String deviceName = d.getName();
 290             if (deviceName != null) {
 291                 try {
 292                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 293                 } catch (IOException e) {
 294                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 295                 }
 296             }
 297             return new Device(d.getId(),
 298                     deviceName,
 299                     d.getCreated(),
 300                     d.getLastSeen(),
 301                     d.getId() == account.getDeviceId());
 302         }).toList();
 303     }
 304
 305     @Override
 306     public void removeLinkedDevices(int deviceId) throws IOException {
 307         context.getAccountHelper().removeLinkedDevices(deviceId);
 308     }
 309
 310     @Override
 311     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 312         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 313         context.getAccountHelper().addDevice(deviceLinkInfo);
 314     }
 315
 316     @Override
 317     public void setRegistrationLockPin(java.util.Optional<String> pin) throws IOException, NotMasterDeviceException {
 318         if (!account.isMasterDevice()) {
 319             throw new NotMasterDeviceException();
 320         }
 321         if (pin.isPresent()) {
 322             context.getAccountHelper().setRegistrationPin(pin.get());
 323         } else {
 324             context.getAccountHelper().removeRegistrationPin();
 325         }
 326     }
 327
 328     void refreshPreKeys() throws IOException {
 329         context.getPreKeyHelper().refreshPreKeys();
 330     }
 331
 332     @Override
 333     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
 334         return context.getProfileHelper().getRecipientProfile(context.getRecipientHelper().resolveRecipient(recipient));
 335     }
 336
 337     @Override
 338     public List<Group> getGroups() {
 339         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 340     }
 341
 342     private Group toGroup(final GroupInfo groupInfo) {
 343         if (groupInfo == null) {
 344             return null;
 345         }
 346
 347         return Group.from(groupInfo,
 348                 account.getRecipientStore()::resolveRecipientAddress,
 349                 account.getSelfRecipientId());
 350     }
 351
 352     @Override
 353     public SendGroupMessageResults quitGroup(
 354             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 355     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 356         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 357         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 358     }
 359
 360     @Override
 361     public void deleteGroup(GroupId groupId) throws IOException {
 362         context.getGroupHelper().deleteGroup(groupId);
 363     }
 364
 365     @Override
 366     public Pair<GroupId, SendGroupMessageResults> createGroup(
 367             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 368     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 369         return context.getGroupHelper()
 370                 .createGroup(name,
 371                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 372                         avatarFile);
 373     }
 374
 375     @Override
 376     public SendGroupMessageResults updateGroup(
 377             final GroupId groupId, final UpdateGroup updateGroup
 378     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 379         return context.getGroupHelper()
 380                 .updateGroup(groupId,
 381                         updateGroup.getName(),
 382                         updateGroup.getDescription(),
 383                         updateGroup.getMembers() == null
 384                                 ? null
 385                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 386                         updateGroup.getRemoveMembers() == null
 387                                 ? null
 388                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 389                         updateGroup.getAdmins() == null
 390                                 ? null
 391                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 392                         updateGroup.getRemoveAdmins() == null
 393                                 ? null
 394                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 395                         updateGroup.isResetGroupLink(),
 396                         updateGroup.getGroupLinkState(),
 397                         updateGroup.getAddMemberPermission(),
 398                         updateGroup.getEditDetailsPermission(),
 399                         updateGroup.getAvatarFile(),
 400                         updateGroup.getExpirationTimer(),
 401                         updateGroup.getIsAnnouncementGroup());
 402     }
 403
 404     @Override
 405     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 406             GroupInviteLinkUrl inviteLinkUrl
 407     ) throws IOException, InactiveGroupLinkException {
 408         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 409     }
 410
 411     private SendMessageResults sendMessage(
 412             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 413     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 414         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 415         long timestamp = System.currentTimeMillis();
 416         messageBuilder.withTimestamp(timestamp);
 417         for (final var recipient : recipients) {
 418             if (recipient instanceof RecipientIdentifier.Single single) {
 419                 try {
 420                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 421                     final var result = context.getSendHelper().sendMessage(messageBuilder, recipientId);
 422                     results.put(recipient, List.of(toSendMessageResult(result)));
 423                 } catch (UnregisteredRecipientException e) {
 424                     results.put(recipient,
 425                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 426                 }
 427             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 428                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder);
 429                 results.put(recipient, List.of(toSendMessageResult(result)));
 430             } else if (recipient instanceof RecipientIdentifier.Group group) {
 431                 final var result = context.getSendHelper().sendAsGroupMessage(messageBuilder, group.groupId());
 432                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 433             }
 434         }
 435         return new SendMessageResults(timestamp, results);
 436     }
 437
 438     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 439         return SendMessageResult.from(result,
 440                 account.getRecipientStore(),
 441                 account.getRecipientStore()::resolveRecipientAddress);
 442     }
 443
 444     private SendMessageResults sendTypingMessage(
 445             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 446     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 447         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 448         final var timestamp = System.currentTimeMillis();
 449         for (var recipient : recipients) {
 450             if (recipient instanceof RecipientIdentifier.Single single) {
 451                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.absent());
 452                 try {
 453                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 454                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 455                     results.put(recipient, List.of(toSendMessageResult(result)));
 456                 } catch (UnregisteredRecipientException e) {
 457                     results.put(recipient,
 458                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 459                 }
 460             } else if (recipient instanceof RecipientIdentifier.Group) {
 461                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 462                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 463                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 464                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 465             }
 466         }
 467         return new SendMessageResults(timestamp, results);
 468     }
 469
 470     @Override
 471     public SendMessageResults sendTypingMessage(
 472             TypingAction action, Set<RecipientIdentifier> recipients
 473     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 474         return sendTypingMessage(action.toSignalService(), recipients);
 475     }
 476
 477     @Override
 478     public SendMessageResults sendReadReceipt(
 479             RecipientIdentifier.Single sender, List<Long> messageIds
 480     ) throws IOException {
 481         final var timestamp = System.currentTimeMillis();
 482         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 483                 messageIds,
 484                 timestamp);
 485
 486         return sendReceiptMessage(sender, timestamp, receiptMessage);
 487     }
 488
 489     @Override
 490     public SendMessageResults sendViewedReceipt(
 491             RecipientIdentifier.Single sender, List<Long> messageIds
 492     ) throws IOException {
 493         final var timestamp = System.currentTimeMillis();
 494         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 495                 messageIds,
 496                 timestamp);
 497
 498         return sendReceiptMessage(sender, timestamp, receiptMessage);
 499     }
 500
 501     private SendMessageResults sendReceiptMessage(
 502             final RecipientIdentifier.Single sender,
 503             final long timestamp,
 504             final SignalServiceReceiptMessage receiptMessage
 505     ) throws IOException {
 506         try {
 507             final var result = context.getSendHelper()
 508                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 509             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 510         } catch (UnregisteredRecipientException e) {
 511             return new SendMessageResults(timestamp,
 512                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 513         }
 514     }
 515
 516     @Override
 517     public SendMessageResults sendMessage(
 518             Message message, Set<RecipientIdentifier> recipients
 519     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 520         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 521         applyMessage(messageBuilder, message);
 522         return sendMessage(messageBuilder, recipients);
 523     }
 524
 525     private void applyMessage(
 526             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 527     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 528         messageBuilder.withBody(message.messageText());
 529         final var attachments = message.attachments();
 530         if (attachments != null) {
 531             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(attachments));
 532         }
 533         if (message.mentions().size() > 0) {
 534             messageBuilder.withMentions(resolveMentions(message.mentions()));
 535         }
 536         if (message.quote().isPresent()) {
 537             final var quote = message.quote().get();
 538             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 539                     context.getRecipientHelper()
 540                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author())),
 541                     quote.message(),
 542                     List.of(),
 543                     resolveMentions(quote.mentions())));
 544         }
 545         if (message.sticker().isPresent()) {
 546             final var sticker = message.sticker().get();
 547             final var packId = StickerPackId.deserialize(sticker.packId());
 548             final var stickerId = sticker.stickerId();
 549
 550             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 551             if (stickerPack == null) {
 552                 throw new InvalidStickerException("Sticker pack not found");
 553             }
 554             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.getPackKey());
 555             if (manifest.stickers().size() <= stickerId) {
 556                 throw new InvalidStickerException("Sticker id not part of this pack");
 557             }
 558             final var manifestSticker = manifest.stickers().get(stickerId);
 559             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 560             if (streamDetails == null) {
 561                 throw new InvalidStickerException("Missing local sticker file");
 562             }
 563             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 564                     stickerPack.getPackKey(),
 565                     stickerId,
 566                     manifestSticker.emoji(),
 567                     AttachmentUtils.createAttachment(streamDetails, Optional.absent())));
 568         }
 569     }
 570
 571     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws IOException, UnregisteredRecipientException {
 572         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 573         for (final var m : mentionList) {
 574             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 575             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 576                     .resolveSignalServiceAddress(recipientId)
 577                     .getAci(), m.start(), m.length()));
 578         }
 579         return mentions;
 580     }
 581
 582     @Override
 583     public SendMessageResults sendRemoteDeleteMessage(
 584             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 585     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 586         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 587         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 588         for (final var recipient : recipients) {
 589             if (recipient instanceof RecipientIdentifier.Single r) {
 590                 try {
 591                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 592                     account.getMessageSendLogStore().deleteEntryForRecipientNonGroup(targetSentTimestamp, recipientId);
 593                 } catch (UnregisteredRecipientException ignored) {
 594                 }
 595             } else if (recipient instanceof RecipientIdentifier.Group r) {
 596                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 597             }
 598         }
 599         return sendMessage(messageBuilder, recipients);
 600     }
 601
 602     @Override
 603     public SendMessageResults sendMessageReaction(
 604             String emoji,
 605             boolean remove,
 606             RecipientIdentifier.Single targetAuthor,
 607             long targetSentTimestamp,
 608             Set<RecipientIdentifier> recipients
 609     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 610         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 611         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 612                 remove,
 613                 context.getRecipientHelper().resolveSignalServiceAddress(targetAuthorRecipientId),
 614                 targetSentTimestamp);
 615         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 616         return sendMessage(messageBuilder, recipients);
 617     }
 618
 619     @Override
 620     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 621         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 622
 623         try {
 624             return sendMessage(messageBuilder,
 625                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 626         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 627             throw new AssertionError(e);
 628         } finally {
 629             for (var recipient : recipients) {
 630                 final RecipientId recipientId;
 631                 try {
 632                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 633                 } catch (UnregisteredRecipientException e) {
 634                     continue;
 635                 }
 636                 account.getSessionStore().deleteAllSessions(recipientId);
 637             }
 638         }
 639     }
 640
 641     @Override
 642     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 643         account.removeRecipient(account.getRecipientStore().resolveRecipient(recipient.toPartialRecipientAddress()));
 644     }
 645
 646     @Override
 647     public void deleteContact(final RecipientIdentifier.Single recipient) {
 648         account.getContactStore()
 649                 .deleteContact(account.getRecipientStore().resolveRecipient(recipient.toPartialRecipientAddress()));
 650     }
 651
 652     @Override
 653     public void setContactName(
 654             RecipientIdentifier.Single recipient, String name
 655     ) throws NotMasterDeviceException, IOException, UnregisteredRecipientException {
 656         if (!account.isMasterDevice()) {
 657             throw new NotMasterDeviceException();
 658         }
 659         context.getContactHelper().setContactName(context.getRecipientHelper().resolveRecipient(recipient), name);
 660     }
 661
 662     @Override
 663     public void setContactBlocked(
 664             RecipientIdentifier.Single recipient, boolean blocked
 665     ) throws NotMasterDeviceException, IOException, UnregisteredRecipientException {
 666         if (!account.isMasterDevice()) {
 667             throw new NotMasterDeviceException();
 668         }
 669         context.getContactHelper().setContactBlocked(context.getRecipientHelper().resolveRecipient(recipient), blocked);
 670         // TODO cycle our profile key, if we're not together in a group with recipient
 671         context.getSyncHelper().sendBlockedList();
 672     }
 673
 674     @Override
 675     public void setGroupBlocked(
 676             final GroupId groupId, final boolean blocked
 677     ) throws GroupNotFoundException, NotMasterDeviceException {
 678         if (!account.isMasterDevice()) {
 679             throw new NotMasterDeviceException();
 680         }
 681         context.getGroupHelper().setGroupBlocked(groupId, blocked);
 682         // TODO cycle our profile key
 683         context.getSyncHelper().sendBlockedList();
 684     }
 685
 686     @Override
 687     public void setExpirationTimer(
 688             RecipientIdentifier.Single recipient, int messageExpirationTimer
 689     ) throws IOException, UnregisteredRecipientException {
 690         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 691         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 692         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 693         try {
 694             sendMessage(messageBuilder, Set.of(recipient));
 695         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 696             throw new AssertionError(e);
 697         }
 698     }
 699
 700     @Override
 701     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 702         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 703
 704         var messageSender = dependencies.getMessageSender();
 705
 706         var packKey = KeyUtils.createStickerUploadKey();
 707         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 708         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 709
 710         var sticker = new Sticker(packId, packKey);
 711         account.getStickerStore().updateSticker(sticker);
 712
 713         return new StickerPackUrl(packId, packKey);
 714     }
 715
 716     @Override
 717     public List<StickerPack> getStickerPacks() {
 718         final var stickerPackStore = context.getStickerPackStore();
 719         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 720             if (stickerPackStore.existsStickerPack(pack.getPackId())) {
 721                 try {
 722                     final var manifest = stickerPackStore.retrieveManifest(pack.getPackId());
 723                     return new StickerPack(pack.getPackId(),
 724                             new StickerPackUrl(pack.getPackId(), pack.getPackKey()),
 725                             pack.isInstalled(),
 726                             manifest.title(),
 727                             manifest.author(),
 728                             java.util.Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 729                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 730                 } catch (Exception e) {
 731                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 732                 }
 733             }
 734
 735             return new StickerPack(pack.getPackId(), pack.getPackKey(), pack.isInstalled());
 736         }).toList();
 737     }
 738
 739     @Override
 740     public void requestAllSyncData() throws IOException {
 741         context.getSyncHelper().requestAllSyncData();
 742         retrieveRemoteStorage();
 743     }
 744
 745     void retrieveRemoteStorage() throws IOException {
 746         if (account.getStorageKey() != null) {
 747             context.getStorageHelper().readDataFromStorage();
 748         }
 749     }
 750
 751     @Override
 752     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 753         if (isReceivingSynchronous) {
 754             throw new IllegalStateException("Already receiving message synchronously.");
 755         }
 756         synchronized (messageHandlers) {
 757             if (isWeakListener) {
 758                 weakHandlers.add(handler);
 759             } else {
 760                 messageHandlers.add(handler);
 761                 startReceiveThreadIfRequired();
 762             }
 763         }
 764     }
 765
 766     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 767
 768     private void startReceiveThreadIfRequired() {
 769         if (receiveThread != null) {
 770             return;
 771         }
 772         receiveThread = new Thread(() -> {
 773             logger.debug("Starting receiving messages");
 774             while (!Thread.interrupted()) {
 775                 try {
 776                     context.getReceiveHelper().receiveMessages(Duration.ofMinutes(1), false, (envelope, e) -> {
 777                         synchronized (messageHandlers) {
 778                             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 779                                 try {
 780                                     h.handleMessage(envelope, e);
 781                                 } catch (Exception ex) {
 782                                     logger.warn("Message handler failed, ignoring", ex);
 783                                 }
 784                             });
 785                         }
 786                     });
 787                     break;
 788                 } catch (IOException e) {
 789                     logger.warn("Receiving messages failed, retrying", e);
 790                 }
 791             }
 792             logger.debug("Finished receiving messages");
 793             synchronized (messageHandlers) {
 794                 receiveThread = null;
 795
 796                 // Check if in the meantime another handler has been registered
 797                 if (!messageHandlers.isEmpty()) {
 798                     logger.debug("Another handler has been registered, starting receive thread again");
 799                     startReceiveThreadIfRequired();
 800                 }
 801             }
 802         });
 803         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 804
 805         receiveThread.start();
 806     }
 807
 808     @Override
 809     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 810         final Thread thread;
 811         synchronized (messageHandlers) {
 812             weakHandlers.remove(handler);
 813             messageHandlers.remove(handler);
 814             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 815                 return;
 816             }
 817             thread = receiveThread;
 818             receiveThread = null;
 819         }
 820
 821         stopReceiveThread(thread);
 822     }
 823
 824     private void stopReceiveThread(final Thread thread) {
 825         thread.interrupt();
 826         try {
 827             thread.join();
 828         } catch (InterruptedException ignored) {
 829         }
 830     }
 831
 832     @Override
 833     public boolean isReceiving() {
 834         if (isReceivingSynchronous) {
 835             return true;
 836         }
 837         synchronized (messageHandlers) {
 838             return messageHandlers.size() > 0;
 839         }
 840     }
 841
 842     @Override
 843     public void receiveMessages(Duration timeout, ReceiveMessageHandler handler) throws IOException {
 844         receiveMessages(timeout, true, handler);
 845     }
 846
 847     @Override
 848     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
 849         receiveMessages(Duration.ofMinutes(1), false, handler);
 850     }
 851
 852     private void receiveMessages(
 853             Duration timeout, boolean returnOnTimeout, ReceiveMessageHandler handler
 854     ) throws IOException {
 855         if (isReceiving()) {
 856             throw new IllegalStateException("Already receiving message.");
 857         }
 858         isReceivingSynchronous = true;
 859         receiveThread = Thread.currentThread();
 860         try {
 861             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, handler);
 862         } finally {
 863             receiveThread = null;
 864             isReceivingSynchronous = false;
 865         }
 866     }
 867
 868     @Override
 869     public void setIgnoreAttachments(final boolean ignoreAttachments) {
 870         context.getReceiveHelper().setIgnoreAttachments(ignoreAttachments);
 871     }
 872
 873     @Override
 874     public boolean hasCaughtUpWithOldMessages() {
 875         return context.getReceiveHelper().hasCaughtUpWithOldMessages();
 876     }
 877
 878     @Override
 879     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
 880         final RecipientId recipientId;
 881         try {
 882             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 883         } catch (IOException | UnregisteredRecipientException e) {
 884             return false;
 885         }
 886         return context.getContactHelper().isContactBlocked(recipientId);
 887     }
 888
 889     @Override
 890     public void sendContacts() throws IOException {
 891         context.getSyncHelper().sendContacts();
 892     }
 893
 894     @Override
 895     public List<Pair<RecipientAddress, Contact>> getContacts() {
 896         return account.getContactStore()
 897                 .getContacts()
 898                 .stream()
 899                 .map(p -> new Pair<>(account.getRecipientStore().resolveRecipientAddress(p.first()), p.second()))
 900                 .toList();
 901     }
 902
 903     @Override
 904     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
 905         final RecipientId recipientId;
 906         try {
 907             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 908         } catch (IOException | UnregisteredRecipientException e) {
 909             return null;
 910         }
 911
 912         final var contact = account.getContactStore().getContact(recipientId);
 913         if (contact != null && !Util.isEmpty(contact.getName())) {
 914             return contact.getName();
 915         }
 916
 917         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
 918         if (profile != null) {
 919             return profile.getDisplayName();
 920         }
 921
 922         return null;
 923     }
 924
 925     @Override
 926     public Group getGroup(GroupId groupId) {
 927         return toGroup(context.getGroupHelper().getGroup(groupId));
 928     }
 929
 930     @Override
 931     public List<Identity> getIdentities() {
 932         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
 933     }
 934
 935     private Identity toIdentity(final IdentityInfo identityInfo) {
 936         if (identityInfo == null) {
 937             return null;
 938         }
 939
 940         final var address = account.getRecipientStore().resolveRecipientAddress(identityInfo.getRecipientId());
 941         final var scannableFingerprint = context.getIdentityHelper()
 942                 .computeSafetyNumberForScanning(identityInfo.getRecipientId(), identityInfo.getIdentityKey());
 943         return new Identity(address,
 944                 identityInfo.getIdentityKey(),
 945                 context.getIdentityHelper()
 946                         .computeSafetyNumber(identityInfo.getRecipientId(), identityInfo.getIdentityKey()),
 947                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
 948                 identityInfo.getTrustLevel(),
 949                 identityInfo.getDateAdded());
 950     }
 951
 952     @Override
 953     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
 954         IdentityInfo identity;
 955         try {
 956             identity = account.getIdentityKeyStore()
 957                     .getIdentity(context.getRecipientHelper().resolveRecipient(recipient));
 958         } catch (IOException | UnregisteredRecipientException e) {
 959             identity = null;
 960         }
 961         return identity == null ? List.of() : List.of(toIdentity(identity));
 962     }
 963
 964     @Override
 965     public boolean trustIdentityVerified(
 966             RecipientIdentifier.Single recipient, byte[] fingerprint
 967     ) throws UnregisteredRecipientException {
 968         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
 969     }
 970
 971     @Override
 972     public boolean trustIdentityVerifiedSafetyNumber(
 973             RecipientIdentifier.Single recipient, String safetyNumber
 974     ) throws UnregisteredRecipientException {
 975         return trustIdentity(recipient,
 976                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
 977     }
 978
 979     @Override
 980     public boolean trustIdentityVerifiedSafetyNumber(
 981             RecipientIdentifier.Single recipient, byte[] safetyNumber
 982     ) throws UnregisteredRecipientException {
 983         return trustIdentity(recipient,
 984                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
 985     }
 986
 987     @Override
 988     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
 989         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
 990     }
 991
 992     private boolean trustIdentity(
 993             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
 994     ) throws UnregisteredRecipientException {
 995         RecipientId recipientId;
 996         try {
 997             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 998         } catch (IOException e) {
 999             return false;
1000         }
1001         final var updated = trustMethod.apply(recipientId);
1002         if (updated && this.isReceiving()) {
1003             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1004         }
1005         return updated;
1006     }
1007
1008     @Override
1009     public void addClosedListener(final Runnable listener) {
1010         synchronized (closedListeners) {
1011             closedListeners.add(listener);
1012         }
1013     }
1014
1015     @Override
1016     public void close() {
1017         Thread thread;
1018         synchronized (messageHandlers) {
1019             weakHandlers.clear();
1020             messageHandlers.clear();
1021             thread = receiveThread;
1022             receiveThread = null;
1023         }
1024         if (thread != null) {
1025             stopReceiveThread(thread);
1026         }
1027         executor.shutdown();
1028
1029         dependencies.getSignalWebSocket().disconnect();
1030         disposable.dispose();
1031
1032         synchronized (closedListeners) {
1033             closedListeners.forEach(Runnable::run);
1034             closedListeners.clear();
1035         }
1036
1037         if (account != null) {
1038             account.close();
1039         }
1040         account = null;
1041     }
1042 }