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

   1 /*
   2   Copyright (C) 2015-2021 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.actions.HandleAction;
  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.Message;
  27 import org.asamk.signal.manager.api.Pair;
  28 import org.asamk.signal.manager.api.RecipientIdentifier;
  29 import org.asamk.signal.manager.api.SendGroupMessageResults;
  30 import org.asamk.signal.manager.api.SendMessageResult;
  31 import org.asamk.signal.manager.api.SendMessageResults;
  32 import org.asamk.signal.manager.api.TypingAction;
  33 import org.asamk.signal.manager.api.UpdateGroup;
  34 import org.asamk.signal.manager.config.ServiceConfig;
  35 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  36 import org.asamk.signal.manager.groups.GroupId;
  37 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  38 import org.asamk.signal.manager.groups.GroupNotFoundException;
  39 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  40 import org.asamk.signal.manager.groups.LastGroupAdminException;
  41 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  42 import org.asamk.signal.manager.helper.AttachmentHelper;
  43 import org.asamk.signal.manager.helper.ContactHelper;
  44 import org.asamk.signal.manager.helper.GroupHelper;
  45 import org.asamk.signal.manager.helper.GroupV2Helper;
  46 import org.asamk.signal.manager.helper.IdentityHelper;
  47 import org.asamk.signal.manager.helper.IncomingMessageHandler;
  48 import org.asamk.signal.manager.helper.PinHelper;
  49 import org.asamk.signal.manager.helper.PreKeyHelper;
  50 import org.asamk.signal.manager.helper.ProfileHelper;
  51 import org.asamk.signal.manager.helper.SendHelper;
  52 import org.asamk.signal.manager.helper.StorageHelper;
  53 import org.asamk.signal.manager.helper.SyncHelper;
  54 import org.asamk.signal.manager.helper.UnidentifiedAccessHelper;
  55 import org.asamk.signal.manager.jobs.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.messageCache.CachedMessage;
  60 import org.asamk.signal.manager.storage.recipients.Contact;
  61 import org.asamk.signal.manager.storage.recipients.Profile;
  62 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  63 import org.asamk.signal.manager.storage.recipients.RecipientId;
  64 import org.asamk.signal.manager.storage.stickers.Sticker;
  65 import org.asamk.signal.manager.storage.stickers.StickerPackId;
  66 import org.asamk.signal.manager.util.KeyUtils;
  67 import org.asamk.signal.manager.util.StickerUtils;
  68 import org.slf4j.Logger;
  69 import org.slf4j.LoggerFactory;
  70 import org.whispersystems.libsignal.InvalidKeyException;
  71 import org.whispersystems.libsignal.ecc.ECPublicKey;
  72 import org.whispersystems.libsignal.util.guava.Optional;
  73 import org.whispersystems.signalservice.api.SignalSessionLock;
  74 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  75 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
  76 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  77 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  78 import org.whispersystems.signalservice.api.push.ACI;
  79 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  80 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  81 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  82 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  83 import org.whispersystems.signalservice.api.websocket.WebSocketUnavailableException;
  84 import org.whispersystems.signalservice.internal.contacts.crypto.Quote;
  85 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedQuoteException;
  86 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedResponseException;
  87 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  88 import org.whispersystems.signalservice.internal.util.Hex;
  89 import org.whispersystems.signalservice.internal.util.Util;
  90
  91 import java.io.File;
  92 import java.io.IOException;
  93 import java.net.URI;
  94 import java.net.URISyntaxException;
  95 import java.net.URLEncoder;
  96 import java.nio.charset.StandardCharsets;
  97 import java.security.SignatureException;
  98 import java.util.Collection;
  99 import java.util.HashMap;
 100 import java.util.HashSet;
 101 import java.util.List;
 102 import java.util.Map;
 103 import java.util.Set;
 104 import java.util.UUID;
 105 import java.util.concurrent.ExecutorService;
 106 import java.util.concurrent.Executors;
 107 import java.util.concurrent.TimeUnit;
 108 import java.util.concurrent.TimeoutException;
 109 import java.util.concurrent.locks.ReentrantLock;
 110 import java.util.stream.Collectors;
 111 import java.util.stream.Stream;
 112
 113 import static org.asamk.signal.manager.config.ServiceConfig.capabilities;
 114
 115 public class ManagerImpl implements Manager {
 116
 117     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 118
 119     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
 120     private final SignalDependencies dependencies;
 121
 122     private SignalAccount account;
 123
 124     private final ExecutorService executor = Executors.newCachedThreadPool();
 125
 126     private final ProfileHelper profileHelper;
 127     private final PinHelper pinHelper;
 128     private final StorageHelper storageHelper;
 129     private final SendHelper sendHelper;
 130     private final SyncHelper syncHelper;
 131     private final AttachmentHelper attachmentHelper;
 132     private final GroupHelper groupHelper;
 133     private final ContactHelper contactHelper;
 134     private final IncomingMessageHandler incomingMessageHandler;
 135     private final PreKeyHelper preKeyHelper;
 136     private final IdentityHelper identityHelper;
 137
 138     private final Context context;
 139     private boolean hasCaughtUpWithOldMessages = false;
 140     private boolean ignoreAttachments = false;
 141
 142     private Thread receiveThread;
 143     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 144     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 145     private boolean isReceivingSynchronous;
 146
 147     ManagerImpl(
 148             SignalAccount account,
 149             PathConfig pathConfig,
 150             ServiceEnvironmentConfig serviceEnvironmentConfig,
 151             String userAgent
 152     ) {
 153         this.account = account;
 154         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
 155
 156         final var credentialsProvider = new DynamicCredentialsProvider(account.getAci(),
 157                 account.getUsername(),
 158                 account.getPassword(),
 159                 account.getDeviceId());
 160         final var sessionLock = new SignalSessionLock() {
 161             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 162
 163             @Override
 164             public Lock acquire() {
 165                 LEGACY_LOCK.lock();
 166                 return LEGACY_LOCK::unlock;
 167             }
 168         };
 169         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 170                 userAgent,
 171                 credentialsProvider,
 172                 account.getSignalProtocolStore(),
 173                 executor,
 174                 sessionLock);
 175         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 176         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 177         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 178
 179         this.attachmentHelper = new AttachmentHelper(dependencies, attachmentStore);
 180         this.pinHelper = new PinHelper(dependencies.getKeyBackupService());
 181         final var unidentifiedAccessHelper = new UnidentifiedAccessHelper(account,
 182                 dependencies,
 183                 account::getProfileKey,
 184                 this::getRecipientProfile);
 185         this.profileHelper = new ProfileHelper(account,
 186                 dependencies,
 187                 avatarStore,
 188                 unidentifiedAccessHelper::getAccessFor,
 189                 this::resolveSignalServiceAddress);
 190         final GroupV2Helper groupV2Helper = new GroupV2Helper(profileHelper::getRecipientProfileKeyCredential,
 191                 this::getRecipientProfile,
 192                 account::getSelfRecipientId,
 193                 dependencies.getGroupsV2Operations(),
 194                 dependencies.getGroupsV2Api(),
 195                 this::resolveSignalServiceAddress);
 196         this.sendHelper = new SendHelper(account,
 197                 dependencies,
 198                 unidentifiedAccessHelper,
 199                 this::resolveSignalServiceAddress,
 200                 account.getRecipientStore(),
 201                 this::handleIdentityFailure,
 202                 this::getGroupInfo,
 203                 this::refreshRegisteredUser);
 204         this.groupHelper = new GroupHelper(account,
 205                 dependencies,
 206                 attachmentHelper,
 207                 sendHelper,
 208                 groupV2Helper,
 209                 avatarStore,
 210                 this::resolveSignalServiceAddress,
 211                 account.getRecipientStore());
 212         this.storageHelper = new StorageHelper(account, dependencies, groupHelper, profileHelper);
 213         this.contactHelper = new ContactHelper(account);
 214         this.syncHelper = new SyncHelper(account,
 215                 attachmentHelper,
 216                 sendHelper,
 217                 groupHelper,
 218                 avatarStore,
 219                 this::resolveSignalServiceAddress);
 220         preKeyHelper = new PreKeyHelper(account, dependencies);
 221
 222         this.context = new Context(account,
 223                 dependencies,
 224                 stickerPackStore,
 225                 sendHelper,
 226                 groupHelper,
 227                 syncHelper,
 228                 profileHelper,
 229                 storageHelper,
 230                 preKeyHelper);
 231         var jobExecutor = new JobExecutor(context);
 232
 233         this.incomingMessageHandler = new IncomingMessageHandler(account,
 234                 dependencies,
 235                 account.getRecipientStore(),
 236                 this::resolveSignalServiceAddress,
 237                 groupHelper,
 238                 contactHelper,
 239                 attachmentHelper,
 240                 syncHelper,
 241                 this::getRecipientProfile,
 242                 jobExecutor);
 243         this.identityHelper = new IdentityHelper(account,
 244                 dependencies,
 245                 this::resolveSignalServiceAddress,
 246                 syncHelper,
 247                 profileHelper);
 248     }
 249
 250     @Override
 251     public String getSelfNumber() {
 252         return account.getUsername();
 253     }
 254
 255     @Override
 256     public void checkAccountState() throws IOException {
 257         if (account.getLastReceiveTimestamp() == 0) {
 258             logger.info("The Signal protocol expects that incoming messages are regularly received.");
 259         } else {
 260             var diffInMilliseconds = System.currentTimeMillis() - account.getLastReceiveTimestamp();
 261             long days = TimeUnit.DAYS.convert(diffInMilliseconds, TimeUnit.MILLISECONDS);
 262             if (days > 7) {
 263                 logger.warn(
 264                         "Messages have been last received {} days ago. The Signal protocol expects that incoming messages are regularly received.",
 265                         days);
 266             }
 267         }
 268         preKeyHelper.refreshPreKeysIfNecessary();
 269         if (account.getAci() == null) {
 270             account.setAci(dependencies.getAccountManager().getOwnAci());
 271         }
 272         updateAccountAttributes(null);
 273     }
 274
 275     /**
 276      * This is used for checking a set of phone numbers for registration on Signal
 277      *
 278      * @param numbers The set of phone number in question
 279      * @return A map of numbers to canonicalized number and uuid. If a number is not registered the uuid is null.
 280      * @throws IOException if its unable to get the contacts to check if they're registered
 281      */
 282     @Override
 283     public Map<String, Pair<String, UUID>> areUsersRegistered(Set<String> numbers) throws IOException {
 284         Map<String, String> canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 285             try {
 286                 return PhoneNumberFormatter.formatNumber(n, account.getUsername());
 287             } catch (InvalidNumberException e) {
 288                 return "";
 289             }
 290         }));
 291
 292         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 293         var registeredUsers = getRegisteredUsers(canonicalizedNumbers.values()
 294                 .stream()
 295                 .filter(s -> !s.isEmpty())
 296                 .collect(Collectors.toSet()));
 297
 298         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 299             final var number = canonicalizedNumbers.get(n);
 300             final var aci = registeredUsers.get(number);
 301             return new Pair<>(number.isEmpty() ? null : number, aci == null ? null : aci.uuid());
 302         }));
 303     }
 304
 305     @Override
 306     public void updateAccountAttributes(String deviceName) throws IOException {
 307         final String encryptedDeviceName;
 308         if (deviceName == null) {
 309             encryptedDeviceName = account.getEncryptedDeviceName();
 310         } else {
 311             final var privateKey = account.getIdentityKeyPair().getPrivateKey();
 312             encryptedDeviceName = DeviceNameUtil.encryptDeviceName(deviceName, privateKey);
 313             account.setEncryptedDeviceName(encryptedDeviceName);
 314         }
 315         dependencies.getAccountManager()
 316                 .setAccountAttributes(encryptedDeviceName,
 317                         null,
 318                         account.getLocalRegistrationId(),
 319                         true,
 320                         null,
 321                         account.getPinMasterKey() == null ? null : account.getPinMasterKey().deriveRegistrationLock(),
 322                         account.getSelfUnidentifiedAccessKey(),
 323                         account.isUnrestrictedUnidentifiedAccess(),
 324                         capabilities,
 325                         account.isDiscoverableByPhoneNumber());
 326     }
 327
 328     @Override
 329     public Configuration getConfiguration() {
 330         final var configurationStore = account.getConfigurationStore();
 331         return new Configuration(java.util.Optional.ofNullable(configurationStore.getReadReceipts()),
 332                 java.util.Optional.ofNullable(configurationStore.getUnidentifiedDeliveryIndicators()),
 333                 java.util.Optional.ofNullable(configurationStore.getTypingIndicators()),
 334                 java.util.Optional.ofNullable(configurationStore.getLinkPreviews()));
 335     }
 336
 337     @Override
 338     public void updateConfiguration(
 339             Configuration configuration
 340     ) throws IOException, NotMasterDeviceException {
 341         if (!account.isMasterDevice()) {
 342             throw new NotMasterDeviceException();
 343         }
 344
 345         final var configurationStore = account.getConfigurationStore();
 346         if (configuration.readReceipts().isPresent()) {
 347             configurationStore.setReadReceipts(configuration.readReceipts().get());
 348         }
 349         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 350             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 351         }
 352         if (configuration.typingIndicators().isPresent()) {
 353             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 354         }
 355         if (configuration.linkPreviews().isPresent()) {
 356             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 357         }
 358         syncHelper.sendConfigurationMessage();
 359     }
 360
 361     /**
 362      * @param givenName  if null, the previous givenName will be kept
 363      * @param familyName if null, the previous familyName will be kept
 364      * @param about      if null, the previous about text will be kept
 365      * @param aboutEmoji if null, the previous about emoji will be kept
 366      * @param avatar     if avatar is null the image from the local avatar store is used (if present),
 367      */
 368     @Override
 369     public void setProfile(
 370             String givenName, final String familyName, String about, String aboutEmoji, java.util.Optional<File> avatar
 371     ) throws IOException {
 372         profileHelper.setProfile(givenName,
 373                 familyName,
 374                 about,
 375                 aboutEmoji,
 376                 avatar == null ? null : Optional.fromNullable(avatar.orElse(null)));
 377         syncHelper.sendSyncFetchProfileMessage();
 378     }
 379
 380     @Override
 381     public void unregister() throws IOException {
 382         // When setting an empty GCM id, the Signal-Server also sets the fetchesMessages property to false.
 383         // If this is the master device, other users can't send messages to this number anymore.
 384         // If this is a linked device, other users can still send messages, but this device doesn't receive them anymore.
 385         dependencies.getAccountManager().setGcmId(Optional.absent());
 386
 387         account.setRegistered(false);
 388     }
 389
 390     @Override
 391     public void deleteAccount() throws IOException {
 392         try {
 393             pinHelper.removeRegistrationLockPin();
 394         } catch (IOException e) {
 395             logger.warn("Failed to remove registration lock pin");
 396         }
 397         account.setRegistrationLockPin(null, null);
 398
 399         dependencies.getAccountManager().deleteAccount();
 400
 401         account.setRegistered(false);
 402     }
 403
 404     @Override
 405     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 406         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 407     }
 408
 409     @Override
 410     public List<Device> getLinkedDevices() throws IOException {
 411         var devices = dependencies.getAccountManager().getDevices();
 412         account.setMultiDevice(devices.size() > 1);
 413         var identityKey = account.getIdentityKeyPair().getPrivateKey();
 414         return devices.stream().map(d -> {
 415             String deviceName = d.getName();
 416             if (deviceName != null) {
 417                 try {
 418                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 419                 } catch (IOException e) {
 420                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 421                 }
 422             }
 423             return new Device(d.getId(),
 424                     deviceName,
 425                     d.getCreated(),
 426                     d.getLastSeen(),
 427                     d.getId() == account.getDeviceId());
 428         }).collect(Collectors.toList());
 429     }
 430
 431     @Override
 432     public void removeLinkedDevices(long deviceId) throws IOException {
 433         dependencies.getAccountManager().removeDevice(deviceId);
 434         var devices = dependencies.getAccountManager().getDevices();
 435         account.setMultiDevice(devices.size() > 1);
 436     }
 437
 438     @Override
 439     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 440         var info = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 441
 442         addDevice(info.deviceIdentifier(), info.deviceKey());
 443     }
 444
 445     private void addDevice(
 446             String deviceIdentifier, ECPublicKey deviceKey
 447     ) throws IOException, InvalidDeviceLinkException {
 448         var identityKeyPair = account.getIdentityKeyPair();
 449         var verificationCode = dependencies.getAccountManager().getNewDeviceVerificationCode();
 450
 451         try {
 452             dependencies.getAccountManager()
 453                     .addDevice(deviceIdentifier,
 454                             deviceKey,
 455                             identityKeyPair,
 456                             Optional.of(account.getProfileKey().serialize()),
 457                             verificationCode);
 458         } catch (InvalidKeyException e) {
 459             throw new InvalidDeviceLinkException("Invalid device link", e);
 460         }
 461         account.setMultiDevice(true);
 462     }
 463
 464     @Override
 465     public void setRegistrationLockPin(java.util.Optional<String> pin) throws IOException {
 466         if (!account.isMasterDevice()) {
 467             throw new RuntimeException("Only master device can set a PIN");
 468         }
 469         if (pin.isPresent()) {
 470             final var masterKey = account.getPinMasterKey() != null
 471                     ? account.getPinMasterKey()
 472                     : KeyUtils.createMasterKey();
 473
 474             pinHelper.setRegistrationLockPin(pin.get(), masterKey);
 475
 476             account.setRegistrationLockPin(pin.get(), masterKey);
 477         } else {
 478             // Remove KBS Pin
 479             pinHelper.removeRegistrationLockPin();
 480
 481             account.setRegistrationLockPin(null, null);
 482         }
 483     }
 484
 485     void refreshPreKeys() throws IOException {
 486         preKeyHelper.refreshPreKeys();
 487     }
 488
 489     @Override
 490     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws IOException {
 491         return profileHelper.getRecipientProfile(resolveRecipient(recipient));
 492     }
 493
 494     private Profile getRecipientProfile(RecipientId recipientId) {
 495         return profileHelper.getRecipientProfile(recipientId);
 496     }
 497
 498     @Override
 499     public List<Group> getGroups() {
 500         return account.getGroupStore().getGroups().stream().map(this::toGroup).collect(Collectors.toList());
 501     }
 502
 503     private Group toGroup(final GroupInfo groupInfo) {
 504         if (groupInfo == null) {
 505             return null;
 506         }
 507
 508         return new Group(groupInfo.getGroupId(),
 509                 groupInfo.getTitle(),
 510                 groupInfo.getDescription(),
 511                 groupInfo.getGroupInviteLink(),
 512                 groupInfo.getMembers()
 513                         .stream()
 514                         .map(account.getRecipientStore()::resolveRecipientAddress)
 515                         .collect(Collectors.toSet()),
 516                 groupInfo.getPendingMembers()
 517                         .stream()
 518                         .map(account.getRecipientStore()::resolveRecipientAddress)
 519                         .collect(Collectors.toSet()),
 520                 groupInfo.getRequestingMembers()
 521                         .stream()
 522                         .map(account.getRecipientStore()::resolveRecipientAddress)
 523                         .collect(Collectors.toSet()),
 524                 groupInfo.getAdminMembers()
 525                         .stream()
 526                         .map(account.getRecipientStore()::resolveRecipientAddress)
 527                         .collect(Collectors.toSet()),
 528                 groupInfo.isBlocked(),
 529                 groupInfo.getMessageExpirationTimer(),
 530                 groupInfo.getPermissionAddMember(),
 531                 groupInfo.getPermissionEditDetails(),
 532                 groupInfo.getPermissionSendMessage(),
 533                 groupInfo.isMember(account.getSelfRecipientId()),
 534                 groupInfo.isAdmin(account.getSelfRecipientId()));
 535     }
 536
 537     @Override
 538     public SendGroupMessageResults quitGroup(
 539             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 540     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException {
 541         final var newAdmins = resolveRecipients(groupAdmins);
 542         return groupHelper.quitGroup(groupId, newAdmins);
 543     }
 544
 545     @Override
 546     public void deleteGroup(GroupId groupId) throws IOException {
 547         groupHelper.deleteGroup(groupId);
 548     }
 549
 550     @Override
 551     public Pair<GroupId, SendGroupMessageResults> createGroup(
 552             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 553     ) throws IOException, AttachmentInvalidException {
 554         return groupHelper.createGroup(name, members == null ? null : resolveRecipients(members), avatarFile);
 555     }
 556
 557     @Override
 558     public SendGroupMessageResults updateGroup(
 559             final GroupId groupId, final UpdateGroup updateGroup
 560     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException {
 561         return groupHelper.updateGroup(groupId,
 562                 updateGroup.getName(),
 563                 updateGroup.getDescription(),
 564                 updateGroup.getMembers() == null ? null : resolveRecipients(updateGroup.getMembers()),
 565                 updateGroup.getRemoveMembers() == null ? null : resolveRecipients(updateGroup.getRemoveMembers()),
 566                 updateGroup.getAdmins() == null ? null : resolveRecipients(updateGroup.getAdmins()),
 567                 updateGroup.getRemoveAdmins() == null ? null : resolveRecipients(updateGroup.getRemoveAdmins()),
 568                 updateGroup.isResetGroupLink(),
 569                 updateGroup.getGroupLinkState(),
 570                 updateGroup.getAddMemberPermission(),
 571                 updateGroup.getEditDetailsPermission(),
 572                 updateGroup.getAvatarFile(),
 573                 updateGroup.getExpirationTimer(),
 574                 updateGroup.getIsAnnouncementGroup());
 575     }
 576
 577     @Override
 578     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 579             GroupInviteLinkUrl inviteLinkUrl
 580     ) throws IOException, InactiveGroupLinkException {
 581         return groupHelper.joinGroup(inviteLinkUrl);
 582     }
 583
 584     private SendMessageResults sendMessage(
 585             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 586     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 587         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 588         long timestamp = System.currentTimeMillis();
 589         messageBuilder.withTimestamp(timestamp);
 590         for (final var recipient : recipients) {
 591             if (recipient instanceof RecipientIdentifier.Single single) {
 592                 final var recipientId = resolveRecipient(single);
 593                 final var result = sendHelper.sendMessage(messageBuilder, recipientId);
 594                 results.put(recipient,
 595                         List.of(SendMessageResult.from(result,
 596                                 account.getRecipientStore(),
 597                                 account.getRecipientStore()::resolveRecipientAddress)));
 598             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 599                 final var result = sendHelper.sendSelfMessage(messageBuilder);
 600                 results.put(recipient,
 601                         List.of(SendMessageResult.from(result,
 602                                 account.getRecipientStore(),
 603                                 account.getRecipientStore()::resolveRecipientAddress)));
 604             } else if (recipient instanceof RecipientIdentifier.Group group) {
 605                 final var result = sendHelper.sendAsGroupMessage(messageBuilder, group.groupId());
 606                 results.put(recipient,
 607                         result.stream()
 608                                 .map(sendMessageResult -> SendMessageResult.from(sendMessageResult,
 609                                         account.getRecipientStore(),
 610                                         account.getRecipientStore()::resolveRecipientAddress))
 611                                 .collect(Collectors.toList()));
 612             }
 613         }
 614         return new SendMessageResults(timestamp, results);
 615     }
 616
 617     private void sendTypingMessage(
 618             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 619     ) throws IOException, UntrustedIdentityException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 620         final var timestamp = System.currentTimeMillis();
 621         for (var recipient : recipients) {
 622             if (recipient instanceof RecipientIdentifier.Single) {
 623                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.absent());
 624                 final var recipientId = resolveRecipient((RecipientIdentifier.Single) recipient);
 625                 sendHelper.sendTypingMessage(message, recipientId);
 626             } else if (recipient instanceof RecipientIdentifier.Group) {
 627                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 628                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 629                 sendHelper.sendGroupTypingMessage(message, groupId);
 630             }
 631         }
 632     }
 633
 634     @Override
 635     public void sendTypingMessage(
 636             TypingAction action, Set<RecipientIdentifier> recipients
 637     ) throws IOException, UntrustedIdentityException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 638         sendTypingMessage(action.toSignalService(), recipients);
 639     }
 640
 641     @Override
 642     public void sendReadReceipt(
 643             RecipientIdentifier.Single sender, List<Long> messageIds
 644     ) throws IOException, UntrustedIdentityException {
 645         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 646                 messageIds,
 647                 System.currentTimeMillis());
 648
 649         sendHelper.sendReceiptMessage(receiptMessage, resolveRecipient(sender));
 650     }
 651
 652     @Override
 653     public void sendViewedReceipt(
 654             RecipientIdentifier.Single sender, List<Long> messageIds
 655     ) throws IOException, UntrustedIdentityException {
 656         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 657                 messageIds,
 658                 System.currentTimeMillis());
 659
 660         sendHelper.sendReceiptMessage(receiptMessage, resolveRecipient(sender));
 661     }
 662
 663     @Override
 664     public SendMessageResults sendMessage(
 665             Message message, Set<RecipientIdentifier> recipients
 666     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 667         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 668         applyMessage(messageBuilder, message);
 669         return sendMessage(messageBuilder, recipients);
 670     }
 671
 672     private void applyMessage(
 673             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 674     ) throws AttachmentInvalidException, IOException {
 675         messageBuilder.withBody(message.messageText());
 676         final var attachments = message.attachments();
 677         if (attachments != null) {
 678             messageBuilder.withAttachments(attachmentHelper.uploadAttachments(attachments));
 679         }
 680     }
 681
 682     @Override
 683     public SendMessageResults sendRemoteDeleteMessage(
 684             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 685     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 686         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 687         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 688         return sendMessage(messageBuilder, recipients);
 689     }
 690
 691     @Override
 692     public SendMessageResults sendMessageReaction(
 693             String emoji,
 694             boolean remove,
 695             RecipientIdentifier.Single targetAuthor,
 696             long targetSentTimestamp,
 697             Set<RecipientIdentifier> recipients
 698     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 699         var targetAuthorRecipientId = resolveRecipient(targetAuthor);
 700         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 701                 remove,
 702                 resolveSignalServiceAddress(targetAuthorRecipientId),
 703                 targetSentTimestamp);
 704         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 705         return sendMessage(messageBuilder, recipients);
 706     }
 707
 708     @Override
 709     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 710         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 711
 712         try {
 713             return sendMessage(messageBuilder,
 714                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 715         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 716             throw new AssertionError(e);
 717         } finally {
 718             for (var recipient : recipients) {
 719                 final var recipientId = resolveRecipient(recipient);
 720                 account.getSessionStore().deleteAllSessions(recipientId);
 721             }
 722         }
 723     }
 724
 725     @Override
 726     public void setContactName(
 727             RecipientIdentifier.Single recipient, String name
 728     ) throws NotMasterDeviceException, IOException {
 729         if (!account.isMasterDevice()) {
 730             throw new NotMasterDeviceException();
 731         }
 732         contactHelper.setContactName(resolveRecipient(recipient), name);
 733     }
 734
 735     @Override
 736     public void setContactBlocked(
 737             RecipientIdentifier.Single recipient, boolean blocked
 738     ) throws NotMasterDeviceException, IOException {
 739         if (!account.isMasterDevice()) {
 740             throw new NotMasterDeviceException();
 741         }
 742         contactHelper.setContactBlocked(resolveRecipient(recipient), blocked);
 743         // TODO cycle our profile key
 744         syncHelper.sendBlockedList();
 745     }
 746
 747     @Override
 748     public void setGroupBlocked(
 749             final GroupId groupId, final boolean blocked
 750     ) throws GroupNotFoundException, IOException, NotMasterDeviceException {
 751         if (!account.isMasterDevice()) {
 752             throw new NotMasterDeviceException();
 753         }
 754         groupHelper.setGroupBlocked(groupId, blocked);
 755         // TODO cycle our profile key
 756         syncHelper.sendBlockedList();
 757     }
 758
 759     /**
 760      * Change the expiration timer for a contact
 761      */
 762     @Override
 763     public void setExpirationTimer(
 764             RecipientIdentifier.Single recipient, int messageExpirationTimer
 765     ) throws IOException {
 766         var recipientId = resolveRecipient(recipient);
 767         contactHelper.setExpirationTimer(recipientId, messageExpirationTimer);
 768         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 769         try {
 770             sendMessage(messageBuilder, Set.of(recipient));
 771         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 772             throw new AssertionError(e);
 773         }
 774     }
 775
 776     /**
 777      * Upload the sticker pack from path.
 778      *
 779      * @param path Path can be a path to a manifest.json file or to a zip file that contains a manifest.json file
 780      * @return if successful, returns the URL to install the sticker pack in the signal app
 781      */
 782     @Override
 783     public URI uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 784         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 785
 786         var messageSender = dependencies.getMessageSender();
 787
 788         var packKey = KeyUtils.createStickerUploadKey();
 789         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 790         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 791
 792         var sticker = new Sticker(packId, packKey);
 793         account.getStickerStore().updateSticker(sticker);
 794
 795         try {
 796             return new URI("https",
 797                     "signal.art",
 798                     "/addstickers/",
 799                     "pack_id="
 800                             + URLEncoder.encode(Hex.toStringCondensed(packId.serialize()), StandardCharsets.UTF_8)
 801                             + "&pack_key="
 802                             + URLEncoder.encode(Hex.toStringCondensed(packKey), StandardCharsets.UTF_8));
 803         } catch (URISyntaxException e) {
 804             throw new AssertionError(e);
 805         }
 806     }
 807
 808     @Override
 809     public void requestAllSyncData() throws IOException {
 810         syncHelper.requestAllSyncData();
 811         retrieveRemoteStorage();
 812     }
 813
 814     void retrieveRemoteStorage() throws IOException {
 815         if (account.getStorageKey() != null) {
 816             storageHelper.readDataFromStorage();
 817         }
 818     }
 819
 820     private RecipientId refreshRegisteredUser(RecipientId recipientId) throws IOException {
 821         final var address = resolveSignalServiceAddress(recipientId);
 822         if (!address.getNumber().isPresent()) {
 823             return recipientId;
 824         }
 825         final var number = address.getNumber().get();
 826         final var uuid = getRegisteredUser(number);
 827         return resolveRecipientTrusted(new SignalServiceAddress(uuid, number));
 828     }
 829
 830     private ACI getRegisteredUser(final String number) throws IOException {
 831         final Map<String, ACI> aciMap;
 832         try {
 833             aciMap = getRegisteredUsers(Set.of(number));
 834         } catch (NumberFormatException e) {
 835             throw new IOException(number, e);
 836         }
 837         final var uuid = aciMap.get(number);
 838         if (uuid == null) {
 839             throw new IOException(number, null);
 840         }
 841         return uuid;
 842     }
 843
 844     private Map<String, ACI> getRegisteredUsers(final Set<String> numbers) throws IOException {
 845         final Map<String, ACI> registeredUsers;
 846         try {
 847             registeredUsers = dependencies.getAccountManager()
 848                     .getRegisteredUsers(ServiceConfig.getIasKeyStore(),
 849                             numbers,
 850                             serviceEnvironmentConfig.getCdsMrenclave());
 851         } catch (Quote.InvalidQuoteFormatException | UnauthenticatedQuoteException | SignatureException | UnauthenticatedResponseException | InvalidKeyException e) {
 852             throw new IOException(e);
 853         }
 854
 855         // Store numbers as recipients, so we have the number/uuid association
 856         registeredUsers.forEach((number, aci) -> resolveRecipientTrusted(new SignalServiceAddress(aci, number)));
 857
 858         return registeredUsers;
 859     }
 860
 861     private void retryFailedReceivedMessages(ReceiveMessageHandler handler) {
 862         Set<HandleAction> queuedActions = new HashSet<>();
 863         for (var cachedMessage : account.getMessageCache().getCachedMessages()) {
 864             var actions = retryFailedReceivedMessage(handler, cachedMessage);
 865             if (actions != null) {
 866                 queuedActions.addAll(actions);
 867             }
 868         }
 869         handleQueuedActions(queuedActions);
 870     }
 871
 872     private List<HandleAction> retryFailedReceivedMessage(
 873             final ReceiveMessageHandler handler, final CachedMessage cachedMessage
 874     ) {
 875         var envelope = cachedMessage.loadEnvelope();
 876         if (envelope == null) {
 877             cachedMessage.delete();
 878             return null;
 879         }
 880
 881         final var result = incomingMessageHandler.handleRetryEnvelope(envelope, ignoreAttachments, handler);
 882         final var actions = result.first();
 883         final var exception = result.second();
 884
 885         if (exception instanceof UntrustedIdentityException) {
 886             if (System.currentTimeMillis() - envelope.getServerDeliveredTimestamp() > 1000L * 60 * 60 * 24 * 30) {
 887                 // Envelope is more than a month old, cleaning up.
 888                 cachedMessage.delete();
 889                 return null;
 890             }
 891             if (!envelope.hasSourceUuid()) {
 892                 final var identifier = ((UntrustedIdentityException) exception).getSender();
 893                 final var recipientId = account.getRecipientStore().resolveRecipient(identifier);
 894                 try {
 895                     account.getMessageCache().replaceSender(cachedMessage, recipientId);
 896                 } catch (IOException ioException) {
 897                     logger.warn("Failed to move cached message to recipient folder: {}", ioException.getMessage());
 898                 }
 899             }
 900             return null;
 901         }
 902
 903         // If successful and for all other errors that are not recoverable, delete the cached message
 904         cachedMessage.delete();
 905         return actions;
 906     }
 907
 908     @Override
 909     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 910         if (isReceivingSynchronous) {
 911             throw new IllegalStateException("Already receiving message synchronously.");
 912         }
 913         synchronized (messageHandlers) {
 914             if (isWeakListener) {
 915                 weakHandlers.add(handler);
 916             } else {
 917                 messageHandlers.add(handler);
 918                 startReceiveThreadIfRequired();
 919             }
 920         }
 921     }
 922
 923     private void startReceiveThreadIfRequired() {
 924         if (receiveThread != null) {
 925             return;
 926         }
 927         receiveThread = new Thread(() -> {
 928             logger.debug("Starting receiving messages");
 929             while (!Thread.interrupted()) {
 930                 try {
 931                     receiveMessagesInternal(1L, TimeUnit.HOURS, false, (envelope, e) -> {
 932                         synchronized (messageHandlers) {
 933                             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 934                                 try {
 935                                     h.handleMessage(envelope, e);
 936                                 } catch (Exception ex) {
 937                                     logger.warn("Message handler failed, ignoring", ex);
 938                                 }
 939                             });
 940                         }
 941                     });
 942                     break;
 943                 } catch (IOException e) {
 944                     logger.warn("Receiving messages failed, retrying", e);
 945                 }
 946             }
 947             logger.debug("Finished receiving messages");
 948             hasCaughtUpWithOldMessages = false;
 949             synchronized (messageHandlers) {
 950                 receiveThread = null;
 951
 952                 // Check if in the meantime another handler has been registered
 953                 if (!messageHandlers.isEmpty()) {
 954                     logger.debug("Another handler has been registered, starting receive thread again");
 955                     startReceiveThreadIfRequired();
 956                 }
 957             }
 958         });
 959
 960         receiveThread.start();
 961     }
 962
 963     @Override
 964     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 965         final Thread thread;
 966         synchronized (messageHandlers) {
 967             weakHandlers.remove(handler);
 968             messageHandlers.remove(handler);
 969             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 970                 return;
 971             }
 972             thread = receiveThread;
 973             receiveThread = null;
 974         }
 975
 976         stopReceiveThread(thread);
 977     }
 978
 979     private void stopReceiveThread(final Thread thread) {
 980         thread.interrupt();
 981         try {
 982             thread.join();
 983         } catch (InterruptedException ignored) {
 984         }
 985     }
 986
 987     @Override
 988     public boolean isReceiving() {
 989         if (isReceivingSynchronous) {
 990             return true;
 991         }
 992         synchronized (messageHandlers) {
 993             return messageHandlers.size() > 0;
 994         }
 995     }
 996
 997     @Override
 998     public void receiveMessages(long timeout, TimeUnit unit, ReceiveMessageHandler handler) throws IOException {
 999         receiveMessages(timeout, unit, true, handler);
1000     }
1001
1002     @Override
1003     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
1004         receiveMessages(1L, TimeUnit.HOURS, false, handler);
1005     }
1006
1007     private void receiveMessages(
1008             long timeout, TimeUnit unit, boolean returnOnTimeout, ReceiveMessageHandler handler
1009     ) throws IOException {
1010         if (isReceiving()) {
1011             throw new IllegalStateException("Already receiving message.");
1012         }
1013         isReceivingSynchronous = true;
1014         receiveThread = Thread.currentThread();
1015         try {
1016             receiveMessagesInternal(timeout, unit, returnOnTimeout, handler);
1017         } finally {
1018             receiveThread = null;
1019             hasCaughtUpWithOldMessages = false;
1020             isReceivingSynchronous = false;
1021         }
1022     }
1023
1024     private void receiveMessagesInternal(
1025             long timeout, TimeUnit unit, boolean returnOnTimeout, ReceiveMessageHandler handler
1026     ) throws IOException {
1027         retryFailedReceivedMessages(handler);
1028
1029         Set<HandleAction> queuedActions = new HashSet<>();
1030
1031         final var signalWebSocket = dependencies.getSignalWebSocket();
1032         signalWebSocket.connect();
1033
1034         hasCaughtUpWithOldMessages = false;
1035         var backOffCounter = 0;
1036         final var MAX_BACKOFF_COUNTER = 9;
1037
1038         while (!Thread.interrupted()) {
1039             SignalServiceEnvelope envelope;
1040             final CachedMessage[] cachedMessage = {null};
1041             account.setLastReceiveTimestamp(System.currentTimeMillis());
1042             logger.debug("Checking for new message from server");
1043             try {
1044                 var result = signalWebSocket.readOrEmpty(unit.toMillis(timeout), envelope1 -> {
1045                     final var recipientId = envelope1.hasSourceUuid()
1046                             ? resolveRecipient(envelope1.getSourceAddress())
1047                             : null;
1048                     // store message on disk, before acknowledging receipt to the server
1049                     cachedMessage[0] = account.getMessageCache().cacheMessage(envelope1, recipientId);
1050                 });
1051                 backOffCounter = 0;
1052
1053                 if (result.isPresent()) {
1054                     envelope = result.get();
1055                     logger.debug("New message received from server");
1056                 } else {
1057                     logger.debug("Received indicator that server queue is empty");
1058                     handleQueuedActions(queuedActions);
1059                     queuedActions.clear();
1060
1061                     hasCaughtUpWithOldMessages = true;
1062                     synchronized (this) {
1063                         this.notifyAll();
1064                     }
1065
1066                     // Continue to wait another timeout for new messages
1067                     continue;
1068                 }
1069             } catch (AssertionError e) {
1070                 if (e.getCause() instanceof InterruptedException) {
1071                     Thread.currentThread().interrupt();
1072                     break;
1073                 } else {
1074                     throw e;
1075                 }
1076             } catch (IOException e) {
1077                 logger.debug("Pipe unexpectedly unavailable: {}", e.getMessage());
1078                 if (e instanceof WebSocketUnavailableException || "Connection closed!".equals(e.getMessage())) {
1079                     final var sleepMilliseconds = 100 * (long) Math.pow(2, backOffCounter);
1080                     backOffCounter = Math.min(backOffCounter + 1, MAX_BACKOFF_COUNTER);
1081                     logger.warn("Connection closed unexpectedly, reconnecting in {} ms", sleepMilliseconds);
1082                     try {
1083                         Thread.sleep(sleepMilliseconds);
1084                     } catch (InterruptedException interruptedException) {
1085                         return;
1086                     }
1087                     hasCaughtUpWithOldMessages = false;
1088                     signalWebSocket.connect();
1089                     continue;
1090                 }
1091                 throw e;
1092             } catch (TimeoutException e) {
1093                 backOffCounter = 0;
1094                 if (returnOnTimeout) return;
1095                 continue;
1096             }
1097
1098             final var result = incomingMessageHandler.handleEnvelope(envelope, ignoreAttachments, handler);
1099             queuedActions.addAll(result.first());
1100             final var exception = result.second();
1101
1102             if (hasCaughtUpWithOldMessages) {
1103                 handleQueuedActions(queuedActions);
1104                 queuedActions.clear();
1105             }
1106             if (cachedMessage[0] != null) {
1107                 if (exception instanceof UntrustedIdentityException) {
1108                     logger.debug("Keeping message with untrusted identity in message cache");
1109                     final var address = ((UntrustedIdentityException) exception).getSender();
1110                     final var recipientId = resolveRecipient(address);
1111                     if (!envelope.hasSourceUuid()) {
1112                         try {
1113                             cachedMessage[0] = account.getMessageCache().replaceSender(cachedMessage[0], recipientId);
1114                         } catch (IOException ioException) {
1115                             logger.warn("Failed to move cached message to recipient folder: {}",
1116                                     ioException.getMessage());
1117                         }
1118                     }
1119                 } else {
1120                     cachedMessage[0].delete();
1121                 }
1122             }
1123         }
1124         handleQueuedActions(queuedActions);
1125         queuedActions.clear();
1126         dependencies.getSignalWebSocket().disconnect();
1127     }
1128
1129     @Override
1130     public void setIgnoreAttachments(final boolean ignoreAttachments) {
1131         this.ignoreAttachments = ignoreAttachments;
1132     }
1133
1134     @Override
1135     public boolean hasCaughtUpWithOldMessages() {
1136         return hasCaughtUpWithOldMessages;
1137     }
1138
1139     private void handleQueuedActions(final Collection<HandleAction> queuedActions) {
1140         logger.debug("Handling message actions");
1141         var interrupted = false;
1142         for (var action : queuedActions) {
1143             try {
1144                 action.execute(context);
1145             } catch (Throwable e) {
1146                 if ((e instanceof AssertionError || e instanceof RuntimeException)
1147                         && e.getCause() instanceof InterruptedException) {
1148                     interrupted = true;
1149                     continue;
1150                 }
1151                 logger.warn("Message action failed.", e);
1152             }
1153         }
1154         if (interrupted) {
1155             Thread.currentThread().interrupt();
1156         }
1157     }
1158
1159     @Override
1160     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1161         final RecipientId recipientId;
1162         try {
1163             recipientId = resolveRecipient(recipient);
1164         } catch (IOException e) {
1165             return false;
1166         }
1167         return contactHelper.isContactBlocked(recipientId);
1168     }
1169
1170     @Override
1171     public void sendContacts() throws IOException {
1172         syncHelper.sendContacts();
1173     }
1174
1175     @Override
1176     public List<Pair<RecipientAddress, Contact>> getContacts() {
1177         return account.getContactStore()
1178                 .getContacts()
1179                 .stream()
1180                 .map(p -> new Pair<>(account.getRecipientStore().resolveRecipientAddress(p.first()), p.second()))
1181                 .collect(Collectors.toList());
1182     }
1183
1184     @Override
1185     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1186         final RecipientId recipientId;
1187         try {
1188             recipientId = resolveRecipient(recipient);
1189         } catch (IOException e) {
1190             return null;
1191         }
1192
1193         final var contact = account.getContactStore().getContact(recipientId);
1194         if (contact != null && !Util.isEmpty(contact.getName())) {
1195             return contact.getName();
1196         }
1197
1198         final var profile = getRecipientProfile(recipientId);
1199         if (profile != null) {
1200             return profile.getDisplayName();
1201         }
1202
1203         return null;
1204     }
1205
1206     @Override
1207     public Group getGroup(GroupId groupId) {
1208         return toGroup(groupHelper.getGroup(groupId));
1209     }
1210
1211     private GroupInfo getGroupInfo(GroupId groupId) {
1212         return groupHelper.getGroup(groupId);
1213     }
1214
1215     @Override
1216     public List<Identity> getIdentities() {
1217         return account.getIdentityKeyStore()
1218                 .getIdentities()
1219                 .stream()
1220                 .map(this::toIdentity)
1221                 .collect(Collectors.toList());
1222     }
1223
1224     private Identity toIdentity(final IdentityInfo identityInfo) {
1225         if (identityInfo == null) {
1226             return null;
1227         }
1228
1229         final var address = account.getRecipientStore().resolveRecipientAddress(identityInfo.getRecipientId());
1230         final var scannableFingerprint = identityHelper.computeSafetyNumberForScanning(identityInfo.getRecipientId(),
1231                 identityInfo.getIdentityKey());
1232         return new Identity(address,
1233                 identityInfo.getIdentityKey(),
1234                 identityHelper.computeSafetyNumber(identityInfo.getRecipientId(), identityInfo.getIdentityKey()),
1235                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1236                 identityInfo.getTrustLevel(),
1237                 identityInfo.getDateAdded());
1238     }
1239
1240     @Override
1241     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1242         IdentityInfo identity;
1243         try {
1244             identity = account.getIdentityKeyStore().getIdentity(resolveRecipient(recipient));
1245         } catch (IOException e) {
1246             identity = null;
1247         }
1248         return identity == null ? List.of() : List.of(toIdentity(identity));
1249     }
1250
1251     /**
1252      * Trust this the identity with this fingerprint
1253      *
1254      * @param recipient   username of the identity
1255      * @param fingerprint Fingerprint
1256      */
1257     @Override
1258     public boolean trustIdentityVerified(RecipientIdentifier.Single recipient, byte[] fingerprint) {
1259         RecipientId recipientId;
1260         try {
1261             recipientId = resolveRecipient(recipient);
1262         } catch (IOException e) {
1263             return false;
1264         }
1265         return identityHelper.trustIdentityVerified(recipientId, fingerprint);
1266     }
1267
1268     /**
1269      * Trust this the identity with this safety number
1270      *
1271      * @param recipient    username of the identity
1272      * @param safetyNumber Safety number
1273      */
1274     @Override
1275     public boolean trustIdentityVerifiedSafetyNumber(RecipientIdentifier.Single recipient, String safetyNumber) {
1276         RecipientId recipientId;
1277         try {
1278             recipientId = resolveRecipient(recipient);
1279         } catch (IOException e) {
1280             return false;
1281         }
1282         return identityHelper.trustIdentityVerifiedSafetyNumber(recipientId, safetyNumber);
1283     }
1284
1285     /**
1286      * Trust this the identity with this scannable safety number
1287      *
1288      * @param recipient    username of the identity
1289      * @param safetyNumber Scannable safety number
1290      */
1291     @Override
1292     public boolean trustIdentityVerifiedSafetyNumber(RecipientIdentifier.Single recipient, byte[] safetyNumber) {
1293         RecipientId recipientId;
1294         try {
1295             recipientId = resolveRecipient(recipient);
1296         } catch (IOException e) {
1297             return false;
1298         }
1299         return identityHelper.trustIdentityVerifiedSafetyNumber(recipientId, safetyNumber);
1300     }
1301
1302     /**
1303      * Trust all keys of this identity without verification
1304      *
1305      * @param recipient username of the identity
1306      */
1307     @Override
1308     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) {
1309         RecipientId recipientId;
1310         try {
1311             recipientId = resolveRecipient(recipient);
1312         } catch (IOException e) {
1313             return false;
1314         }
1315         return identityHelper.trustIdentityAllKeys(recipientId);
1316     }
1317
1318     private void handleIdentityFailure(
1319             final RecipientId recipientId,
1320             final org.whispersystems.signalservice.api.messages.SendMessageResult.IdentityFailure identityFailure
1321     ) {
1322         this.identityHelper.handleIdentityFailure(recipientId, identityFailure);
1323     }
1324
1325     private SignalServiceAddress resolveSignalServiceAddress(RecipientId recipientId) {
1326         final var address = account.getRecipientStore().resolveRecipientAddress(recipientId);
1327         if (address.getUuid().isPresent()) {
1328             return address.toSignalServiceAddress();
1329         }
1330
1331         // Address in recipient store doesn't have a uuid, this shouldn't happen
1332         // Try to retrieve the uuid from the server
1333         final var number = address.getNumber().get();
1334         final ACI aci;
1335         try {
1336             aci = getRegisteredUser(number);
1337         } catch (IOException e) {
1338             logger.warn("Failed to get uuid for e164 number: {}", number, e);
1339             // Return SignalServiceAddress with unknown UUID
1340             return address.toSignalServiceAddress();
1341         }
1342         return resolveSignalServiceAddress(account.getRecipientStore().resolveRecipient(aci));
1343     }
1344
1345     private Set<RecipientId> resolveRecipients(Collection<RecipientIdentifier.Single> recipients) throws IOException {
1346         final var recipientIds = new HashSet<RecipientId>(recipients.size());
1347         for (var number : recipients) {
1348             final var recipientId = resolveRecipient(number);
1349             recipientIds.add(recipientId);
1350         }
1351         return recipientIds;
1352     }
1353
1354     private RecipientId resolveRecipient(final RecipientIdentifier.Single recipient) throws IOException {
1355         if (recipient instanceof RecipientIdentifier.Uuid uuidRecipient) {
1356             return account.getRecipientStore().resolveRecipient(ACI.from(uuidRecipient.uuid()));
1357         } else {
1358             final var number = ((RecipientIdentifier.Number) recipient).number();
1359             return account.getRecipientStore().resolveRecipient(number, () -> {
1360                 try {
1361                     return getRegisteredUser(number);
1362                 } catch (IOException e) {
1363                     return null;
1364                 }
1365             });
1366         }
1367     }
1368
1369     private RecipientId resolveRecipient(RecipientAddress address) {
1370         return account.getRecipientStore().resolveRecipient(address);
1371     }
1372
1373     private RecipientId resolveRecipient(SignalServiceAddress address) {
1374         return account.getRecipientStore().resolveRecipient(address);
1375     }
1376
1377     private RecipientId resolveRecipientTrusted(SignalServiceAddress address) {
1378         return account.getRecipientStore().resolveRecipientTrusted(address);
1379     }
1380
1381     @Override
1382     public void close() throws IOException {
1383         close(true);
1384     }
1385
1386     private void close(boolean closeAccount) throws IOException {
1387         Thread thread;
1388         synchronized (messageHandlers) {
1389             weakHandlers.clear();
1390             messageHandlers.clear();
1391             thread = receiveThread;
1392             receiveThread = null;
1393         }
1394         if (thread != null) {
1395             stopReceiveThread(thread);
1396         }
1397         executor.shutdown();
1398
1399         dependencies.getSignalWebSocket().disconnect();
1400
1401         if (closeAccount && account != null) {
1402             account.close();
1403         }
1404         account = null;
1405     }
1406 }