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.AlreadyReceivingException;
  20 import org.asamk.signal.manager.api.AttachmentInvalidException;
  21 import org.asamk.signal.manager.api.Configuration;
  22 import org.asamk.signal.manager.api.Device;
  23 import org.asamk.signal.manager.api.Group;
  24 import org.asamk.signal.manager.api.Identity;
  25 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  26 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  27 import org.asamk.signal.manager.api.InvalidStickerException;
  28 import org.asamk.signal.manager.api.Message;
  29 import org.asamk.signal.manager.api.MessageEnvelope;
  30 import org.asamk.signal.manager.api.NotPrimaryDeviceException;
  31 import org.asamk.signal.manager.api.Pair;
  32 import org.asamk.signal.manager.api.PendingAdminApprovalException;
  33 import org.asamk.signal.manager.api.ReceiveConfig;
  34 import org.asamk.signal.manager.api.Recipient;
  35 import org.asamk.signal.manager.api.RecipientIdentifier;
  36 import org.asamk.signal.manager.api.SendGroupMessageResults;
  37 import org.asamk.signal.manager.api.SendMessageResult;
  38 import org.asamk.signal.manager.api.SendMessageResults;
  39 import org.asamk.signal.manager.api.StickerPackId;
  40 import org.asamk.signal.manager.api.StickerPackInvalidException;
  41 import org.asamk.signal.manager.api.StickerPackUrl;
  42 import org.asamk.signal.manager.api.TypingAction;
  43 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  44 import org.asamk.signal.manager.api.UpdateGroup;
  45 import org.asamk.signal.manager.api.UpdateProfile;
  46 import org.asamk.signal.manager.api.UserStatus;
  47 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  48 import org.asamk.signal.manager.groups.GroupId;
  49 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  50 import org.asamk.signal.manager.groups.GroupNotFoundException;
  51 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  52 import org.asamk.signal.manager.groups.LastGroupAdminException;
  53 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  54 import org.asamk.signal.manager.helper.AccountFileUpdater;
  55 import org.asamk.signal.manager.helper.Context;
  56 import org.asamk.signal.manager.storage.SignalAccount;
  57 import org.asamk.signal.manager.storage.groups.GroupInfo;
  58 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  59 import org.asamk.signal.manager.storage.recipients.Profile;
  60 import org.asamk.signal.manager.storage.recipients.RecipientId;
  61 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  62 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  63 import org.asamk.signal.manager.storage.stickers.StickerPack;
  64 import org.asamk.signal.manager.util.AttachmentUtils;
  65 import org.asamk.signal.manager.util.KeyUtils;
  66 import org.asamk.signal.manager.util.MimeUtils;
  67 import org.asamk.signal.manager.util.StickerUtils;
  68 import org.slf4j.Logger;
  69 import org.slf4j.LoggerFactory;
  70 import org.whispersystems.signalservice.api.SignalSessionLock;
  71 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  72 import org.whispersystems.signalservice.api.messages.SignalServicePreview;
  73 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  74 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  75 import org.whispersystems.signalservice.api.push.ACI;
  76 import org.whispersystems.signalservice.api.push.ServiceId;
  77 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  78 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  79 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  80 import org.whispersystems.signalservice.api.util.StreamDetails;
  81 import org.whispersystems.signalservice.internal.util.Hex;
  82 import org.whispersystems.signalservice.internal.util.Util;
  83
  84 import java.io.ByteArrayInputStream;
  85 import java.io.File;
  86 import java.io.IOException;
  87 import java.io.InputStream;
  88 import java.net.URI;
  89 import java.nio.charset.StandardCharsets;
  90 import java.time.Duration;
  91 import java.util.ArrayList;
  92 import java.util.Collection;
  93 import java.util.HashMap;
  94 import java.util.HashSet;
  95 import java.util.List;
  96 import java.util.Map;
  97 import java.util.Objects;
  98 import java.util.Optional;
  99 import java.util.Set;
 100 import java.util.concurrent.ExecutorService;
 101 import java.util.concurrent.Executors;
 102 import java.util.concurrent.atomic.AtomicInteger;
 103 import java.util.concurrent.locks.ReentrantLock;
 104 import java.util.function.Function;
 105 import java.util.stream.Collectors;
 106 import java.util.stream.Stream;
 107
 108 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 109
 110 class ManagerImpl implements Manager {
 111
 112     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 113
 114     private SignalAccount account;
 115     private final SignalDependencies dependencies;
 116     private final Context context;
 117
 118     private final ExecutorService executor = Executors.newCachedThreadPool();
 119
 120     private Thread receiveThread;
 121     private boolean isReceivingSynchronous;
 122     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 123     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 124     private final List<Runnable> closedListeners = new ArrayList<>();
 125     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 126     private final CompositeDisposable disposable = new CompositeDisposable();
 127
 128     ManagerImpl(
 129             SignalAccount account,
 130             PathConfig pathConfig,
 131             AccountFileUpdater accountFileUpdater,
 132             ServiceEnvironmentConfig serviceEnvironmentConfig,
 133             String userAgent
 134     ) {
 135         this.account = account;
 136
 137         final var sessionLock = new SignalSessionLock() {
 138             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 139
 140             @Override
 141             public Lock acquire() {
 142                 LEGACY_LOCK.lock();
 143                 return LEGACY_LOCK::unlock;
 144             }
 145         };
 146         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 147                 userAgent,
 148                 account.getCredentialsProvider(),
 149                 account.getSignalServiceDataStore(),
 150                 executor,
 151                 sessionLock);
 152         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 153         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 154         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 155
 156         this.context = new Context(account, new AccountFileUpdater() {
 157             @Override
 158             public void updateAccountIdentifiers(final String number, final ACI aci) {
 159                 accountFileUpdater.updateAccountIdentifiers(number, aci);
 160                 synchronized (addressChangedListeners) {
 161                     addressChangedListeners.forEach(Runnable::run);
 162                 }
 163             }
 164
 165             @Override
 166             public void removeAccount() {
 167                 accountFileUpdater.removeAccount();
 168             }
 169         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 170         this.context.getAccountHelper().setUnregisteredListener(this::close);
 171         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 172         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 173             synchronized (this) {
 174                 this.notifyAll();
 175             }
 176         });
 177         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(serviceId -> {
 178             logger.trace("Archiving old sessions for {}", serviceId);
 179             account.getAciSessionStore().archiveSessions(serviceId);
 180             account.getPniSessionStore().archiveSessions(serviceId);
 181             account.getSenderKeyStore().deleteSharedWith(serviceId);
 182             final var recipientId = account.getRecipientResolver().resolveRecipient(serviceId);
 183             final var profile = account.getProfileStore().getProfile(recipientId);
 184             if (profile != null) {
 185                 account.getProfileStore()
 186                         .storeProfile(recipientId,
 187                                 Profile.newBuilder(profile)
 188                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 189                                         .withLastUpdateTimestamp(0)
 190                                         .build());
 191             }
 192         }));
 193     }
 194
 195     @Override
 196     public String getSelfNumber() {
 197         return account.getNumber();
 198     }
 199
 200     void checkAccountState() throws IOException {
 201         context.getAccountHelper().checkAccountState();
 202     }
 203
 204     @Override
 205     public Map<String, UserStatus> getUserStatus(Set<String> numbers) throws IOException {
 206         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 207             try {
 208                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 209                 if (!canonicalizedNumber.equals(n)) {
 210                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 211                 }
 212                 return canonicalizedNumber;
 213             } catch (InvalidNumberException e) {
 214                 return "";
 215             }
 216         }));
 217
 218         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 219         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 220                 .stream()
 221                 .filter(s -> !s.isEmpty())
 222                 .collect(Collectors.toSet());
 223         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 224
 225         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 226             final var number = canonicalizedNumbers.get(n);
 227             final var user = registeredUsers.get(number);
 228             final var serviceId = user == null ? null : user.getServiceId();
 229             final var profile = serviceId == null
 230                     ? null
 231                     : context.getProfileHelper()
 232                             .getRecipientProfile(account.getRecipientResolver().resolveRecipient(serviceId));
 233             return new UserStatus(number.isEmpty() ? null : number,
 234                     serviceId == null ? null : serviceId.uuid(),
 235                     profile != null
 236                             && profile.getUnidentifiedAccessMode() == Profile.UnidentifiedAccessMode.UNRESTRICTED);
 237         }));
 238     }
 239
 240     @Override
 241     public void updateAccountAttributes(String deviceName) throws IOException {
 242         if (deviceName != null) {
 243             context.getAccountHelper().setDeviceName(deviceName);
 244         }
 245         context.getAccountHelper().updateAccountAttributes();
 246         context.getAccountHelper().checkWhoAmiI();
 247     }
 248
 249     @Override
 250     public Configuration getConfiguration() {
 251         final var configurationStore = account.getConfigurationStore();
 252         return Configuration.from(configurationStore);
 253     }
 254
 255     @Override
 256     public void updateConfiguration(
 257             Configuration configuration
 258     ) throws NotPrimaryDeviceException {
 259         if (!account.isPrimaryDevice()) {
 260             throw new NotPrimaryDeviceException();
 261         }
 262
 263         final var configurationStore = account.getConfigurationStore();
 264         if (configuration.readReceipts().isPresent()) {
 265             configurationStore.setReadReceipts(configuration.readReceipts().get());
 266         }
 267         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 268             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 269         }
 270         if (configuration.typingIndicators().isPresent()) {
 271             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 272         }
 273         if (configuration.linkPreviews().isPresent()) {
 274             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 275         }
 276         context.getSyncHelper().sendConfigurationMessage();
 277     }
 278
 279     @Override
 280     public void updateProfile(UpdateProfile updateProfile) throws IOException {
 281         context.getProfileHelper()
 282                 .setProfile(updateProfile.getGivenName(),
 283                         updateProfile.getFamilyName(),
 284                         updateProfile.getAbout(),
 285                         updateProfile.getAboutEmoji(),
 286                         updateProfile.isDeleteAvatar()
 287                                 ? Optional.empty()
 288                                 : updateProfile.getAvatar() == null ? null : Optional.of(updateProfile.getAvatar()),
 289                         updateProfile.getMobileCoinAddress());
 290         context.getSyncHelper().sendSyncFetchProfileMessage();
 291     }
 292
 293     @Override
 294     public void unregister() throws IOException {
 295         context.getAccountHelper().unregister();
 296     }
 297
 298     @Override
 299     public void deleteAccount() throws IOException {
 300         context.getAccountHelper().deleteAccount();
 301     }
 302
 303     @Override
 304     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 305         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 306
 307         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 308     }
 309
 310     @Override
 311     public List<Device> getLinkedDevices() throws IOException {
 312         var devices = dependencies.getAccountManager().getDevices();
 313         account.setMultiDevice(devices.size() > 1);
 314         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 315         return devices.stream().map(d -> {
 316             String deviceName = d.getName();
 317             if (deviceName != null) {
 318                 try {
 319                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 320                 } catch (IOException e) {
 321                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 322                 }
 323             }
 324             return new Device(d.getId(),
 325                     deviceName,
 326                     d.getCreated(),
 327                     d.getLastSeen(),
 328                     d.getId() == account.getDeviceId());
 329         }).toList();
 330     }
 331
 332     @Override
 333     public void removeLinkedDevices(int deviceId) throws IOException {
 334         context.getAccountHelper().removeLinkedDevices(deviceId);
 335     }
 336
 337     @Override
 338     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 339         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 340         context.getAccountHelper().addDevice(deviceLinkInfo);
 341     }
 342
 343     @Override
 344     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotPrimaryDeviceException {
 345         if (!account.isPrimaryDevice()) {
 346             throw new NotPrimaryDeviceException();
 347         }
 348         if (pin.isPresent()) {
 349             context.getAccountHelper().setRegistrationPin(pin.get());
 350         } else {
 351             context.getAccountHelper().removeRegistrationPin();
 352         }
 353     }
 354
 355     void refreshPreKeys() throws IOException {
 356         context.getPreKeyHelper().refreshPreKeys();
 357     }
 358
 359     @Override
 360     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
 361         return context.getProfileHelper().getRecipientProfile(context.getRecipientHelper().resolveRecipient(recipient));
 362     }
 363
 364     @Override
 365     public List<Group> getGroups() {
 366         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 367     }
 368
 369     private Group toGroup(final GroupInfo groupInfo) {
 370         if (groupInfo == null) {
 371             return null;
 372         }
 373
 374         return Group.from(groupInfo, account.getRecipientAddressResolver(), account.getSelfRecipientId());
 375     }
 376
 377     @Override
 378     public SendGroupMessageResults quitGroup(
 379             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 380     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 381         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 382         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 383     }
 384
 385     @Override
 386     public void deleteGroup(GroupId groupId) throws IOException {
 387         final var group = context.getGroupHelper().getGroup(groupId);
 388         if (group.isMember(account.getSelfRecipientId())) {
 389             throw new IOException(
 390                     "The local group information cannot be removed, as the user is still a member of the group");
 391         }
 392         context.getGroupHelper().deleteGroup(groupId);
 393     }
 394
 395     @Override
 396     public Pair<GroupId, SendGroupMessageResults> createGroup(
 397             String name, Set<RecipientIdentifier.Single> members, String avatarFile
 398     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 399         return context.getGroupHelper()
 400                 .createGroup(name,
 401                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 402                         avatarFile);
 403     }
 404
 405     @Override
 406     public SendGroupMessageResults updateGroup(
 407             final GroupId groupId, final UpdateGroup updateGroup
 408     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 409         return context.getGroupHelper()
 410                 .updateGroup(groupId,
 411                         updateGroup.getName(),
 412                         updateGroup.getDescription(),
 413                         updateGroup.getMembers() == null
 414                                 ? null
 415                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 416                         updateGroup.getRemoveMembers() == null
 417                                 ? null
 418                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 419                         updateGroup.getAdmins() == null
 420                                 ? null
 421                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 422                         updateGroup.getRemoveAdmins() == null
 423                                 ? null
 424                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 425                         updateGroup.getBanMembers() == null
 426                                 ? null
 427                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 428                         updateGroup.getUnbanMembers() == null
 429                                 ? null
 430                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 431                         updateGroup.isResetGroupLink(),
 432                         updateGroup.getGroupLinkState(),
 433                         updateGroup.getAddMemberPermission(),
 434                         updateGroup.getEditDetailsPermission(),
 435                         updateGroup.getAvatarFile(),
 436                         updateGroup.getExpirationTimer(),
 437                         updateGroup.getIsAnnouncementGroup());
 438     }
 439
 440     @Override
 441     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 442             GroupInviteLinkUrl inviteLinkUrl
 443     ) throws IOException, InactiveGroupLinkException, PendingAdminApprovalException {
 444         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 445     }
 446
 447     private SendMessageResults sendMessage(
 448             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 449     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 450         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 451         long timestamp = System.currentTimeMillis();
 452         messageBuilder.withTimestamp(timestamp);
 453         for (final var recipient : recipients) {
 454             if (recipient instanceof RecipientIdentifier.Single single) {
 455                 try {
 456                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 457                     final var result = context.getSendHelper().sendMessage(messageBuilder, recipientId);
 458                     results.put(recipient, List.of(toSendMessageResult(result)));
 459                 } catch (UnregisteredRecipientException e) {
 460                     results.put(recipient,
 461                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 462                 }
 463             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 464                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder);
 465                 results.put(recipient, List.of(toSendMessageResult(result)));
 466             } else if (recipient instanceof RecipientIdentifier.Group group) {
 467                 final var result = context.getSendHelper().sendAsGroupMessage(messageBuilder, group.groupId());
 468                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 469             }
 470         }
 471         return new SendMessageResults(timestamp, results);
 472     }
 473
 474     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 475         return SendMessageResult.from(result, account.getRecipientResolver(), account.getRecipientAddressResolver());
 476     }
 477
 478     private SendMessageResults sendTypingMessage(
 479             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 480     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 481         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 482         final var timestamp = System.currentTimeMillis();
 483         for (var recipient : recipients) {
 484             if (recipient instanceof RecipientIdentifier.Single single) {
 485                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 486                 try {
 487                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 488                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 489                     results.put(recipient, List.of(toSendMessageResult(result)));
 490                 } catch (UnregisteredRecipientException e) {
 491                     results.put(recipient,
 492                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 493                 }
 494             } else if (recipient instanceof RecipientIdentifier.Group) {
 495                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 496                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 497                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 498                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 499             }
 500         }
 501         return new SendMessageResults(timestamp, results);
 502     }
 503
 504     @Override
 505     public SendMessageResults sendTypingMessage(
 506             TypingAction action, Set<RecipientIdentifier> recipients
 507     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 508         return sendTypingMessage(action.toSignalService(), recipients);
 509     }
 510
 511     @Override
 512     public SendMessageResults sendReadReceipt(
 513             RecipientIdentifier.Single sender, List<Long> messageIds
 514     ) {
 515         final var timestamp = System.currentTimeMillis();
 516         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 517                 messageIds,
 518                 timestamp);
 519
 520         return sendReceiptMessage(sender, timestamp, receiptMessage);
 521     }
 522
 523     @Override
 524     public SendMessageResults sendViewedReceipt(
 525             RecipientIdentifier.Single sender, List<Long> messageIds
 526     ) {
 527         final var timestamp = System.currentTimeMillis();
 528         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 529                 messageIds,
 530                 timestamp);
 531
 532         return sendReceiptMessage(sender, timestamp, receiptMessage);
 533     }
 534
 535     private SendMessageResults sendReceiptMessage(
 536             final RecipientIdentifier.Single sender,
 537             final long timestamp,
 538             final SignalServiceReceiptMessage receiptMessage
 539     ) {
 540         try {
 541             final var result = context.getSendHelper()
 542                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 543             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 544         } catch (UnregisteredRecipientException e) {
 545             return new SendMessageResults(timestamp,
 546                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 547         }
 548     }
 549
 550     @Override
 551     public SendMessageResults sendMessage(
 552             Message message, Set<RecipientIdentifier> recipients
 553     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 554         final var selfProfile = context.getProfileHelper().getSelfProfile();
 555         if (selfProfile == null || selfProfile.getDisplayName().isEmpty()) {
 556             logger.warn(
 557                     "No profile name set. When sending a message it's recommended to set a profile name with the updateProfile command. This may become mandatory in the future.");
 558         }
 559         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 560         applyMessage(messageBuilder, message);
 561         return sendMessage(messageBuilder, recipients);
 562     }
 563
 564     private void applyMessage(
 565             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 566     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 567         if (message.messageText().length() > 2000) {
 568             final var messageBytes = message.messageText().getBytes(StandardCharsets.UTF_8);
 569             final var textAttachment = AttachmentUtils.createAttachmentStream(new StreamDetails(new ByteArrayInputStream(
 570                     messageBytes), MimeUtils.LONG_TEXT, messageBytes.length), Optional.empty());
 571             messageBuilder.withBody(message.messageText().substring(0, 2000));
 572             messageBuilder.withAttachment(textAttachment);
 573         } else {
 574             messageBuilder.withBody(message.messageText());
 575         }
 576         if (message.attachments().size() > 0) {
 577             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(message.attachments()));
 578         }
 579         if (message.mentions().size() > 0) {
 580             messageBuilder.withMentions(resolveMentions(message.mentions()));
 581         }
 582         if (message.quote().isPresent()) {
 583             final var quote = message.quote().get();
 584             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 585                     context.getRecipientHelper()
 586                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author()))
 587                             .getServiceId(),
 588                     quote.message(),
 589                     List.of(),
 590                     resolveMentions(quote.mentions()),
 591                     SignalServiceDataMessage.Quote.Type.NORMAL,
 592                     List.of()));
 593         }
 594         if (message.sticker().isPresent()) {
 595             final var sticker = message.sticker().get();
 596             final var packId = StickerPackId.deserialize(sticker.packId());
 597             final var stickerId = sticker.stickerId();
 598
 599             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 600             if (stickerPack == null) {
 601                 throw new InvalidStickerException("Sticker pack not found");
 602             }
 603             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.packKey());
 604             if (manifest.stickers().size() <= stickerId) {
 605                 throw new InvalidStickerException("Sticker id not part of this pack");
 606             }
 607             final var manifestSticker = manifest.stickers().get(stickerId);
 608             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 609             if (streamDetails == null) {
 610                 throw new InvalidStickerException("Missing local sticker file");
 611             }
 612             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 613                     stickerPack.packKey(),
 614                     stickerId,
 615                     manifestSticker.emoji(),
 616                     AttachmentUtils.createAttachmentStream(streamDetails, Optional.empty())));
 617         }
 618         if (message.previews().size() > 0) {
 619             final var previews = new ArrayList<SignalServicePreview>(message.previews().size());
 620             for (final var p : message.previews()) {
 621                 final var image = p.image().isPresent() ? context.getAttachmentHelper()
 622                         .uploadAttachment(p.image().get()) : null;
 623                 previews.add(new SignalServicePreview(p.url(),
 624                         p.title(),
 625                         p.description(),
 626                         0,
 627                         Optional.ofNullable(image)));
 628             }
 629             messageBuilder.withPreviews(previews);
 630         }
 631         if (message.storyReply().isPresent()) {
 632             final var storyReply = message.storyReply().get();
 633             final var authorServiceId = context.getRecipientHelper()
 634                     .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(storyReply.author()))
 635                     .getServiceId();
 636             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 637                     storyReply.timestamp()));
 638         }
 639     }
 640
 641     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws UnregisteredRecipientException {
 642         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 643         for (final var m : mentionList) {
 644             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 645             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 646                     .resolveSignalServiceAddress(recipientId)
 647                     .getServiceId(), m.start(), m.length()));
 648         }
 649         return mentions;
 650     }
 651
 652     @Override
 653     public SendMessageResults sendRemoteDeleteMessage(
 654             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 655     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 656         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 657         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 658         for (final var recipient : recipients) {
 659             if (recipient instanceof RecipientIdentifier.Single r) {
 660                 try {
 661                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 662                     account.getMessageSendLogStore()
 663                             .deleteEntryForRecipientNonGroup(targetSentTimestamp,
 664                                     account.getRecipientAddressResolver()
 665                                             .resolveRecipientAddress(recipientId)
 666                                             .getServiceId());
 667                 } catch (UnregisteredRecipientException ignored) {
 668                 }
 669             } else if (recipient instanceof RecipientIdentifier.Group r) {
 670                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 671             }
 672         }
 673         return sendMessage(messageBuilder, recipients);
 674     }
 675
 676     @Override
 677     public SendMessageResults sendMessageReaction(
 678             String emoji,
 679             boolean remove,
 680             RecipientIdentifier.Single targetAuthor,
 681             long targetSentTimestamp,
 682             Set<RecipientIdentifier> recipients,
 683             final boolean isStory
 684     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 685         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 686         final var authorServiceId = context.getRecipientHelper()
 687                 .resolveSignalServiceAddress(targetAuthorRecipientId)
 688                 .getServiceId();
 689         var reaction = new SignalServiceDataMessage.Reaction(emoji, remove, authorServiceId, targetSentTimestamp);
 690         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 691         if (isStory) {
 692             messageBuilder.withStoryContext(new SignalServiceDataMessage.StoryContext(authorServiceId,
 693                     targetSentTimestamp));
 694         }
 695         return sendMessage(messageBuilder, recipients);
 696     }
 697
 698     @Override
 699     public SendMessageResults sendPaymentNotificationMessage(
 700             byte[] receipt, String note, RecipientIdentifier.Single recipient
 701     ) throws IOException {
 702         final var paymentNotification = new SignalServiceDataMessage.PaymentNotification(receipt, note);
 703         final var payment = new SignalServiceDataMessage.Payment(paymentNotification, null);
 704         final var messageBuilder = SignalServiceDataMessage.newBuilder().withPayment(payment);
 705         try {
 706             return sendMessage(messageBuilder, Set.of(recipient));
 707         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 708             throw new AssertionError(e);
 709         }
 710     }
 711
 712     @Override
 713     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 714         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 715
 716         try {
 717             return sendMessage(messageBuilder,
 718                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 719         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 720             throw new AssertionError(e);
 721         } finally {
 722             for (var recipient : recipients) {
 723                 final RecipientId recipientId;
 724                 try {
 725                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 726                 } catch (UnregisteredRecipientException e) {
 727                     continue;
 728                 }
 729                 final var serviceId = context.getAccount()
 730                         .getRecipientAddressResolver()
 731                         .resolveRecipientAddress(recipientId)
 732                         .getServiceId();
 733                 account.getAciSessionStore().deleteAllSessions(serviceId);
 734             }
 735         }
 736     }
 737
 738     @Override
 739     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 740         account.removeRecipient(account.getRecipientResolver().resolveRecipient(recipient.getIdentifier()));
 741     }
 742
 743     @Override
 744     public void deleteContact(final RecipientIdentifier.Single recipient) {
 745         account.getContactStore()
 746                 .deleteContact(account.getRecipientResolver().resolveRecipient(recipient.getIdentifier()));
 747     }
 748
 749     @Override
 750     public void setContactName(
 751             RecipientIdentifier.Single recipient, String givenName, final String familyName
 752     ) throws NotPrimaryDeviceException, UnregisteredRecipientException {
 753         if (!account.isPrimaryDevice()) {
 754             throw new NotPrimaryDeviceException();
 755         }
 756         context.getContactHelper()
 757                 .setContactName(context.getRecipientHelper().resolveRecipient(recipient), givenName, familyName);
 758     }
 759
 760     @Override
 761     public void setContactsBlocked(
 762             Collection<RecipientIdentifier.Single> recipients, boolean blocked
 763     ) throws NotPrimaryDeviceException, IOException, UnregisteredRecipientException {
 764         if (!account.isPrimaryDevice()) {
 765             throw new NotPrimaryDeviceException();
 766         }
 767         if (recipients.size() == 0) {
 768             return;
 769         }
 770         final var recipientIds = context.getRecipientHelper().resolveRecipients(recipients);
 771         final var selfRecipientId = account.getSelfRecipientId();
 772         boolean shouldRotateProfileKey = false;
 773         for (final var recipientId : recipientIds) {
 774             if (context.getContactHelper().isContactBlocked(recipientId) == blocked) {
 775                 continue;
 776             }
 777             context.getContactHelper().setContactBlocked(recipientId, blocked);
 778             // if we don't have a common group with the blocked contact we need to rotate the profile key
 779             shouldRotateProfileKey = blocked && (
 780                     shouldRotateProfileKey || account.getGroupStore()
 781                             .getGroups()
 782                             .stream()
 783                             .noneMatch(g -> g.isMember(selfRecipientId) && g.isMember(recipientId))
 784             );
 785         }
 786         if (shouldRotateProfileKey) {
 787             context.getProfileHelper().rotateProfileKey();
 788         }
 789         context.getSyncHelper().sendBlockedList();
 790     }
 791
 792     @Override
 793     public void setGroupsBlocked(
 794             final Collection<GroupId> groupIds, final boolean blocked
 795     ) throws GroupNotFoundException, NotPrimaryDeviceException, IOException {
 796         if (!account.isPrimaryDevice()) {
 797             throw new NotPrimaryDeviceException();
 798         }
 799         if (groupIds.size() == 0) {
 800             return;
 801         }
 802         boolean shouldRotateProfileKey = false;
 803         for (final var groupId : groupIds) {
 804             if (context.getGroupHelper().isGroupBlocked(groupId) == blocked) {
 805                 continue;
 806             }
 807             context.getGroupHelper().setGroupBlocked(groupId, blocked);
 808             shouldRotateProfileKey = blocked;
 809         }
 810         if (shouldRotateProfileKey) {
 811             context.getProfileHelper().rotateProfileKey();
 812         }
 813         context.getSyncHelper().sendBlockedList();
 814     }
 815
 816     @Override
 817     public void setExpirationTimer(
 818             RecipientIdentifier.Single recipient, int messageExpirationTimer
 819     ) throws IOException, UnregisteredRecipientException {
 820         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 821         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 822         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 823         try {
 824             sendMessage(messageBuilder, Set.of(recipient));
 825         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 826             throw new AssertionError(e);
 827         }
 828     }
 829
 830     @Override
 831     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 832         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 833
 834         var messageSender = dependencies.getMessageSender();
 835
 836         var packKey = KeyUtils.createStickerUploadKey();
 837         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 838         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 839
 840         var sticker = new StickerPack(packId, packKey);
 841         account.getStickerStore().addStickerPack(sticker);
 842
 843         return new StickerPackUrl(packId, packKey);
 844     }
 845
 846     @Override
 847     public List<org.asamk.signal.manager.api.StickerPack> getStickerPacks() {
 848         final var stickerPackStore = context.getStickerPackStore();
 849         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 850             if (stickerPackStore.existsStickerPack(pack.packId())) {
 851                 try {
 852                     final var manifest = stickerPackStore.retrieveManifest(pack.packId());
 853                     return new org.asamk.signal.manager.api.StickerPack(pack.packId(),
 854                             new StickerPackUrl(pack.packId(), pack.packKey()),
 855                             pack.isInstalled(),
 856                             manifest.title(),
 857                             manifest.author(),
 858                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 859                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 860                 } catch (Exception e) {
 861                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 862                 }
 863             }
 864
 865             return new org.asamk.signal.manager.api.StickerPack(pack.packId(), pack.packKey(), pack.isInstalled());
 866         }).toList();
 867     }
 868
 869     @Override
 870     public void requestAllSyncData() throws IOException {
 871         context.getSyncHelper().requestAllSyncData();
 872         retrieveRemoteStorage();
 873     }
 874
 875     void retrieveRemoteStorage() throws IOException {
 876         context.getStorageHelper().readDataFromStorage();
 877     }
 878
 879     @Override
 880     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 881         synchronized (messageHandlers) {
 882             if (isWeakListener) {
 883                 weakHandlers.add(handler);
 884             } else {
 885                 messageHandlers.add(handler);
 886                 startReceiveThreadIfRequired();
 887             }
 888         }
 889     }
 890
 891     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 892
 893     private void startReceiveThreadIfRequired() {
 894         if (receiveThread != null || isReceivingSynchronous) {
 895             return;
 896         }
 897         receiveThread = new Thread(() -> {
 898             logger.debug("Starting receiving messages");
 899             context.getReceiveHelper().receiveMessagesContinuously(this::passReceivedMessageToHandlers);
 900             logger.debug("Finished receiving messages");
 901             synchronized (messageHandlers) {
 902                 receiveThread = null;
 903
 904                 // Check if in the meantime another handler has been registered
 905                 if (!messageHandlers.isEmpty()) {
 906                     logger.debug("Another handler has been registered, starting receive thread again");
 907                     startReceiveThreadIfRequired();
 908                 }
 909             }
 910         });
 911         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 912
 913         receiveThread.start();
 914     }
 915
 916     private void passReceivedMessageToHandlers(MessageEnvelope envelope, Throwable e) {
 917         synchronized (messageHandlers) {
 918             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 919                 try {
 920                     h.handleMessage(envelope, e);
 921                 } catch (Throwable ex) {
 922                     logger.warn("Message handler failed, ignoring", ex);
 923                 }
 924             });
 925         }
 926     }
 927
 928     @Override
 929     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 930         final Thread thread;
 931         synchronized (messageHandlers) {
 932             weakHandlers.remove(handler);
 933             messageHandlers.remove(handler);
 934             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 935                 return;
 936             }
 937             thread = receiveThread;
 938             receiveThread = null;
 939         }
 940
 941         stopReceiveThread(thread);
 942     }
 943
 944     private void stopReceiveThread(final Thread thread) {
 945         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 946             logger.debug("Receive stop requested, interrupting read from server.");
 947             thread.interrupt();
 948         }
 949         try {
 950             thread.join();
 951         } catch (InterruptedException ignored) {
 952         }
 953     }
 954
 955     @Override
 956     public boolean isReceiving() {
 957         if (isReceivingSynchronous) {
 958             return true;
 959         }
 960         synchronized (messageHandlers) {
 961             return messageHandlers.size() > 0;
 962         }
 963     }
 964
 965     @Override
 966     public void receiveMessages(
 967             Optional<Duration> timeout, Optional<Integer> maxMessages, ReceiveMessageHandler handler
 968     ) throws IOException, AlreadyReceivingException {
 969         receiveMessages(timeout.orElse(Duration.ofMinutes(1)), timeout.isPresent(), maxMessages.orElse(null), handler);
 970     }
 971
 972     private void receiveMessages(
 973             Duration timeout, boolean returnOnTimeout, Integer maxMessages, ReceiveMessageHandler handler
 974     ) throws IOException, AlreadyReceivingException {
 975         synchronized (messageHandlers) {
 976             if (isReceiving()) {
 977                 throw new AlreadyReceivingException("Already receiving message.");
 978             }
 979             isReceivingSynchronous = true;
 980             receiveThread = Thread.currentThread();
 981         }
 982         try {
 983             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, maxMessages, (envelope, e) -> {
 984                 passReceivedMessageToHandlers(envelope, e);
 985                 handler.handleMessage(envelope, e);
 986             });
 987         } finally {
 988             synchronized (messageHandlers) {
 989                 receiveThread = null;
 990                 isReceivingSynchronous = false;
 991                 if (messageHandlers.size() > 0) {
 992                     startReceiveThreadIfRequired();
 993                 }
 994             }
 995         }
 996     }
 997
 998     @Override
 999     public void setReceiveConfig(final ReceiveConfig receiveConfig) {
1000         context.getReceiveHelper().setReceiveConfig(receiveConfig);
1001     }
1002
1003     @Override
1004     public boolean hasCaughtUpWithOldMessages() {
1005         return context.getReceiveHelper().hasCaughtUpWithOldMessages();
1006     }
1007
1008     @Override
1009     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1010         final RecipientId recipientId;
1011         try {
1012             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1013         } catch (UnregisteredRecipientException e) {
1014             return false;
1015         }
1016         return context.getContactHelper().isContactBlocked(recipientId);
1017     }
1018
1019     @Override
1020     public void sendContacts() throws IOException {
1021         context.getSyncHelper().sendContacts();
1022     }
1023
1024     @Override
1025     public List<Recipient> getRecipients(
1026             boolean onlyContacts,
1027             Optional<Boolean> blocked,
1028             Collection<RecipientIdentifier.Single> recipients,
1029             Optional<String> name
1030     ) {
1031         final var recipientIds = recipients.stream().map(a -> {
1032             try {
1033                 return context.getRecipientHelper().resolveRecipient(a);
1034             } catch (UnregisteredRecipientException e) {
1035                 return null;
1036             }
1037         }).filter(Objects::nonNull).collect(Collectors.toSet());
1038         if (!recipients.isEmpty() && recipientIds.isEmpty()) {
1039             return List.of();
1040         }
1041         // refresh profiles of explicitly given recipients
1042         context.getProfileHelper().refreshRecipientProfiles(recipientIds);
1043         return account.getRecipientStore()
1044                 .getRecipients(onlyContacts, blocked, recipientIds, name)
1045                 .stream()
1046                 .map(s -> new Recipient(s.getRecipientId(),
1047                         s.getAddress().toApiRecipientAddress(),
1048                         s.getContact(),
1049                         s.getProfileKey(),
1050                         s.getExpiringProfileKeyCredential(),
1051                         s.getProfile()))
1052                 .toList();
1053     }
1054
1055     @Override
1056     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1057         final RecipientId recipientId;
1058         try {
1059             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1060         } catch (UnregisteredRecipientException e) {
1061             return null;
1062         }
1063
1064         final var contact = account.getContactStore().getContact(recipientId);
1065         if (contact != null && !Util.isEmpty(contact.getName())) {
1066             return contact.getName();
1067         }
1068
1069         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
1070         if (profile != null) {
1071             return profile.getDisplayName();
1072         }
1073
1074         return null;
1075     }
1076
1077     @Override
1078     public Group getGroup(GroupId groupId) {
1079         return toGroup(context.getGroupHelper().getGroup(groupId));
1080     }
1081
1082     @Override
1083     public List<Identity> getIdentities() {
1084         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
1085     }
1086
1087     private Identity toIdentity(final IdentityInfo identityInfo) {
1088         if (identityInfo == null) {
1089             return null;
1090         }
1091
1092         final var address = account.getRecipientAddressResolver()
1093                 .resolveRecipientAddress(account.getRecipientResolver().resolveRecipient(identityInfo.getServiceId()));
1094         final var scannableFingerprint = context.getIdentityHelper()
1095                 .computeSafetyNumberForScanning(identityInfo.getServiceId(), identityInfo.getIdentityKey());
1096         return new Identity(address.toApiRecipientAddress(),
1097                 identityInfo.getIdentityKey(),
1098                 context.getIdentityHelper()
1099                         .computeSafetyNumber(identityInfo.getServiceId(), identityInfo.getIdentityKey()),
1100                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1101                 identityInfo.getTrustLevel(),
1102                 identityInfo.getDateAddedTimestamp());
1103     }
1104
1105     @Override
1106     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1107         ServiceId serviceId;
1108         try {
1109             serviceId = account.getRecipientAddressResolver()
1110                     .resolveRecipientAddress(context.getRecipientHelper().resolveRecipient(recipient))
1111                     .getServiceId();
1112         } catch (UnregisteredRecipientException e) {
1113             return List.of();
1114         }
1115         final var identity = account.getIdentityKeyStore().getIdentityInfo(serviceId);
1116         return identity == null ? List.of() : List.of(toIdentity(identity));
1117     }
1118
1119     @Override
1120     public boolean trustIdentityVerified(
1121             RecipientIdentifier.Single recipient, byte[] fingerprint
1122     ) throws UnregisteredRecipientException {
1123         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
1124     }
1125
1126     @Override
1127     public boolean trustIdentityVerifiedSafetyNumber(
1128             RecipientIdentifier.Single recipient, String safetyNumber
1129     ) throws UnregisteredRecipientException {
1130         return trustIdentity(recipient,
1131                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1132     }
1133
1134     @Override
1135     public boolean trustIdentityVerifiedSafetyNumber(
1136             RecipientIdentifier.Single recipient, byte[] safetyNumber
1137     ) throws UnregisteredRecipientException {
1138         return trustIdentity(recipient,
1139                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
1140     }
1141
1142     @Override
1143     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
1144         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
1145     }
1146
1147     private boolean trustIdentity(
1148             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
1149     ) throws UnregisteredRecipientException {
1150         final var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
1151         final var updated = trustMethod.apply(recipientId);
1152         if (updated && this.isReceiving()) {
1153             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1154         }
1155         return updated;
1156     }
1157
1158     @Override
1159     public void addAddressChangedListener(final Runnable listener) {
1160         synchronized (addressChangedListeners) {
1161             addressChangedListeners.add(listener);
1162         }
1163     }
1164
1165     @Override
1166     public void addClosedListener(final Runnable listener) {
1167         synchronized (closedListeners) {
1168             closedListeners.add(listener);
1169         }
1170     }
1171
1172     @Override
1173     public InputStream retrieveAttachment(final String id) throws IOException {
1174         return context.getAttachmentHelper().retrieveAttachment(id).getStream();
1175     }
1176
1177     @Override
1178     public void close() {
1179         Thread thread;
1180         synchronized (messageHandlers) {
1181             weakHandlers.clear();
1182             messageHandlers.clear();
1183             thread = receiveThread;
1184             receiveThread = null;
1185         }
1186         if (thread != null) {
1187             stopReceiveThread(thread);
1188         }
1189         executor.shutdown();
1190
1191         dependencies.getSignalWebSocket().disconnect();
1192         disposable.dispose();
1193
1194         if (account != null) {
1195             account.close();
1196         }
1197
1198         synchronized (closedListeners) {
1199             closedListeners.forEach(Runnable::run);
1200             closedListeners.clear();
1201         }
1202
1203         account = null;
1204     }
1205 }