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.ArrayList;
  99 import java.util.Collection;
 100 import java.util.HashMap;
 101 import java.util.HashSet;
 102 import java.util.List;
 103 import java.util.Map;
 104 import java.util.Set;
 105 import java.util.UUID;
 106 import java.util.concurrent.ExecutorService;
 107 import java.util.concurrent.Executors;
 108 import java.util.concurrent.TimeUnit;
 109 import java.util.concurrent.TimeoutException;
 110 import java.util.concurrent.locks.ReentrantLock;
 111 import java.util.stream.Collectors;
 112 import java.util.stream.Stream;
 113
 114 import static org.asamk.signal.manager.config.ServiceConfig.capabilities;
 115
 116 public class ManagerImpl implements Manager {
 117
 118     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 119
 120     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
 121     private final SignalDependencies dependencies;
 122
 123     private SignalAccount account;
 124
 125     private final ExecutorService executor = Executors.newCachedThreadPool();
 126
 127     private final ProfileHelper profileHelper;
 128     private final PinHelper pinHelper;
 129     private final StorageHelper storageHelper;
 130     private final SendHelper sendHelper;
 131     private final SyncHelper syncHelper;
 132     private final AttachmentHelper attachmentHelper;
 133     private final GroupHelper groupHelper;
 134     private final ContactHelper contactHelper;
 135     private final IncomingMessageHandler incomingMessageHandler;
 136     private final PreKeyHelper preKeyHelper;
 137     private final IdentityHelper identityHelper;
 138
 139     private final Context context;
 140     private boolean hasCaughtUpWithOldMessages = false;
 141     private boolean ignoreAttachments = false;
 142
 143     private Thread receiveThread;
 144     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 145     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 146     private final List<Runnable> closedListeners = new ArrayList<>();
 147     private boolean isReceivingSynchronous;
 148
 149     ManagerImpl(
 150             SignalAccount account,
 151             PathConfig pathConfig,
 152             ServiceEnvironmentConfig serviceEnvironmentConfig,
 153             String userAgent
 154     ) {
 155         this.account = account;
 156         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
 157
 158         final var credentialsProvider = new DynamicCredentialsProvider(account.getAci(),
 159                 account.getAccount(),
 160                 account.getPassword(),
 161                 account.getDeviceId());
 162         final var sessionLock = new SignalSessionLock() {
 163             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 164
 165             @Override
 166             public Lock acquire() {
 167                 LEGACY_LOCK.lock();
 168                 return LEGACY_LOCK::unlock;
 169             }
 170         };
 171         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 172                 userAgent,
 173                 credentialsProvider,
 174                 account.getSignalProtocolStore(),
 175                 executor,
 176                 sessionLock);
 177         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 178         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 179         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 180
 181         this.attachmentHelper = new AttachmentHelper(dependencies, attachmentStore);
 182         this.pinHelper = new PinHelper(dependencies.getKeyBackupService());
 183         final var unidentifiedAccessHelper = new UnidentifiedAccessHelper(account,
 184                 dependencies,
 185                 account::getProfileKey,
 186                 this::getRecipientProfile);
 187         this.profileHelper = new ProfileHelper(account,
 188                 dependencies,
 189                 avatarStore,
 190                 unidentifiedAccessHelper::getAccessFor,
 191                 this::resolveSignalServiceAddress);
 192         final GroupV2Helper groupV2Helper = new GroupV2Helper(profileHelper::getRecipientProfileKeyCredential,
 193                 this::getRecipientProfile,
 194                 account::getSelfRecipientId,
 195                 dependencies.getGroupsV2Operations(),
 196                 dependencies.getGroupsV2Api(),
 197                 this::resolveSignalServiceAddress);
 198         this.sendHelper = new SendHelper(account,
 199                 dependencies,
 200                 unidentifiedAccessHelper,
 201                 this::resolveSignalServiceAddress,
 202                 account.getRecipientStore(),
 203                 this::handleIdentityFailure,
 204                 this::getGroupInfo,
 205                 this::refreshRegisteredUser);
 206         this.groupHelper = new GroupHelper(account,
 207                 dependencies,
 208                 attachmentHelper,
 209                 sendHelper,
 210                 groupV2Helper,
 211                 avatarStore,
 212                 this::resolveSignalServiceAddress,
 213                 account.getRecipientStore());
 214         this.storageHelper = new StorageHelper(account, dependencies, groupHelper, profileHelper);
 215         this.contactHelper = new ContactHelper(account);
 216         this.syncHelper = new SyncHelper(account,
 217                 attachmentHelper,
 218                 sendHelper,
 219                 groupHelper,
 220                 avatarStore,
 221                 this::resolveSignalServiceAddress);
 222         preKeyHelper = new PreKeyHelper(account, dependencies);
 223
 224         this.context = new Context(account,
 225                 dependencies,
 226                 stickerPackStore,
 227                 sendHelper,
 228                 groupHelper,
 229                 syncHelper,
 230                 profileHelper,
 231                 storageHelper,
 232                 preKeyHelper);
 233         var jobExecutor = new JobExecutor(context);
 234
 235         this.incomingMessageHandler = new IncomingMessageHandler(account,
 236                 dependencies,
 237                 account.getRecipientStore(),
 238                 this::resolveSignalServiceAddress,
 239                 groupHelper,
 240                 contactHelper,
 241                 attachmentHelper,
 242                 syncHelper,
 243                 this::getRecipientProfile,
 244                 jobExecutor);
 245         this.identityHelper = new IdentityHelper(account,
 246                 dependencies,
 247                 this::resolveSignalServiceAddress,
 248                 syncHelper,
 249                 profileHelper);
 250     }
 251
 252     @Override
 253     public String getSelfNumber() {
 254         return account.getAccount();
 255     }
 256
 257     @Override
 258     public void checkAccountState() throws IOException {
 259         if (account.getLastReceiveTimestamp() == 0) {
 260             logger.info("The Signal protocol expects that incoming messages are regularly received.");
 261         } else {
 262             var diffInMilliseconds = System.currentTimeMillis() - account.getLastReceiveTimestamp();
 263             long days = TimeUnit.DAYS.convert(diffInMilliseconds, TimeUnit.MILLISECONDS);
 264             if (days > 7) {
 265                 logger.warn(
 266                         "Messages have been last received {} days ago. The Signal protocol expects that incoming messages are regularly received.",
 267                         days);
 268             }
 269         }
 270         preKeyHelper.refreshPreKeysIfNecessary();
 271         if (account.getAci() == null) {
 272             account.setAci(dependencies.getAccountManager().getOwnAci());
 273         }
 274         updateAccountAttributes(null);
 275     }
 276
 277     /**
 278      * This is used for checking a set of phone numbers for registration on Signal
 279      *
 280      * @param numbers The set of phone number in question
 281      * @return A map of numbers to canonicalized number and uuid. If a number is not registered the uuid is null.
 282      * @throws IOException if its unable to get the contacts to check if they're registered
 283      */
 284     @Override
 285     public Map<String, Pair<String, UUID>> areUsersRegistered(Set<String> numbers) throws IOException {
 286         Map<String, String> canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 287             try {
 288                 return PhoneNumberFormatter.formatNumber(n, account.getAccount());
 289             } catch (InvalidNumberException e) {
 290                 return "";
 291             }
 292         }));
 293
 294         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 295         var registeredUsers = getRegisteredUsers(canonicalizedNumbers.values()
 296                 .stream()
 297                 .filter(s -> !s.isEmpty())
 298                 .collect(Collectors.toSet()));
 299
 300         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 301             final var number = canonicalizedNumbers.get(n);
 302             final var aci = registeredUsers.get(number);
 303             return new Pair<>(number.isEmpty() ? null : number, aci == null ? null : aci.uuid());
 304         }));
 305     }
 306
 307     @Override
 308     public void updateAccountAttributes(String deviceName) throws IOException {
 309         final String encryptedDeviceName;
 310         if (deviceName == null) {
 311             encryptedDeviceName = account.getEncryptedDeviceName();
 312         } else {
 313             final var privateKey = account.getIdentityKeyPair().getPrivateKey();
 314             encryptedDeviceName = DeviceNameUtil.encryptDeviceName(deviceName, privateKey);
 315             account.setEncryptedDeviceName(encryptedDeviceName);
 316         }
 317         dependencies.getAccountManager()
 318                 .setAccountAttributes(encryptedDeviceName,
 319                         null,
 320                         account.getLocalRegistrationId(),
 321                         true,
 322                         null,
 323                         account.getPinMasterKey() == null ? null : account.getPinMasterKey().deriveRegistrationLock(),
 324                         account.getSelfUnidentifiedAccessKey(),
 325                         account.isUnrestrictedUnidentifiedAccess(),
 326                         capabilities,
 327                         account.isDiscoverableByPhoneNumber());
 328     }
 329
 330     @Override
 331     public Configuration getConfiguration() {
 332         final var configurationStore = account.getConfigurationStore();
 333         return new Configuration(java.util.Optional.ofNullable(configurationStore.getReadReceipts()),
 334                 java.util.Optional.ofNullable(configurationStore.getUnidentifiedDeliveryIndicators()),
 335                 java.util.Optional.ofNullable(configurationStore.getTypingIndicators()),
 336                 java.util.Optional.ofNullable(configurationStore.getLinkPreviews()));
 337     }
 338
 339     @Override
 340     public void updateConfiguration(
 341             Configuration configuration
 342     ) throws IOException, NotMasterDeviceException {
 343         if (!account.isMasterDevice()) {
 344             throw new NotMasterDeviceException();
 345         }
 346
 347         final var configurationStore = account.getConfigurationStore();
 348         if (configuration.readReceipts().isPresent()) {
 349             configurationStore.setReadReceipts(configuration.readReceipts().get());
 350         }
 351         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 352             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 353         }
 354         if (configuration.typingIndicators().isPresent()) {
 355             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 356         }
 357         if (configuration.linkPreviews().isPresent()) {
 358             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 359         }
 360         syncHelper.sendConfigurationMessage();
 361     }
 362
 363     /**
 364      * @param givenName  if null, the previous givenName will be kept
 365      * @param familyName if null, the previous familyName will be kept
 366      * @param about      if null, the previous about text will be kept
 367      * @param aboutEmoji if null, the previous about emoji will be kept
 368      * @param avatar     if avatar is null the image from the local avatar store is used (if present),
 369      */
 370     @Override
 371     public void setProfile(
 372             String givenName, final String familyName, String about, String aboutEmoji, java.util.Optional<File> avatar
 373     ) throws IOException {
 374         profileHelper.setProfile(givenName,
 375                 familyName,
 376                 about,
 377                 aboutEmoji,
 378                 avatar == null ? null : Optional.fromNullable(avatar.orElse(null)));
 379         syncHelper.sendSyncFetchProfileMessage();
 380     }
 381
 382     @Override
 383     public void unregister() throws IOException {
 384         // When setting an empty GCM id, the Signal-Server also sets the fetchesMessages property to false.
 385         // If this is the master device, other users can't send messages to this number anymore.
 386         // If this is a linked device, other users can still send messages, but this device doesn't receive them anymore.
 387         dependencies.getAccountManager().setGcmId(Optional.absent());
 388
 389         account.setRegistered(false);
 390         close();
 391     }
 392
 393     @Override
 394     public void deleteAccount() throws IOException {
 395         try {
 396             pinHelper.removeRegistrationLockPin();
 397         } catch (IOException e) {
 398             logger.warn("Failed to remove registration lock pin");
 399         }
 400         account.setRegistrationLockPin(null, null);
 401
 402         dependencies.getAccountManager().deleteAccount();
 403
 404         account.setRegistered(false);
 405         close();
 406     }
 407
 408     @Override
 409     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 410         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 411
 412         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 413     }
 414
 415     @Override
 416     public List<Device> getLinkedDevices() throws IOException {
 417         var devices = dependencies.getAccountManager().getDevices();
 418         account.setMultiDevice(devices.size() > 1);
 419         var identityKey = account.getIdentityKeyPair().getPrivateKey();
 420         return devices.stream().map(d -> {
 421             String deviceName = d.getName();
 422             if (deviceName != null) {
 423                 try {
 424                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 425                 } catch (IOException e) {
 426                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 427                 }
 428             }
 429             return new Device(d.getId(),
 430                     deviceName,
 431                     d.getCreated(),
 432                     d.getLastSeen(),
 433                     d.getId() == account.getDeviceId());
 434         }).collect(Collectors.toList());
 435     }
 436
 437     @Override
 438     public void removeLinkedDevices(long deviceId) throws IOException {
 439         dependencies.getAccountManager().removeDevice(deviceId);
 440         var devices = dependencies.getAccountManager().getDevices();
 441         account.setMultiDevice(devices.size() > 1);
 442     }
 443
 444     @Override
 445     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 446         var info = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 447
 448         addDevice(info.deviceIdentifier(), info.deviceKey());
 449     }
 450
 451     private void addDevice(
 452             String deviceIdentifier, ECPublicKey deviceKey
 453     ) throws IOException, InvalidDeviceLinkException {
 454         var identityKeyPair = account.getIdentityKeyPair();
 455         var verificationCode = dependencies.getAccountManager().getNewDeviceVerificationCode();
 456
 457         try {
 458             dependencies.getAccountManager()
 459                     .addDevice(deviceIdentifier,
 460                             deviceKey,
 461                             identityKeyPair,
 462                             Optional.of(account.getProfileKey().serialize()),
 463                             verificationCode);
 464         } catch (InvalidKeyException e) {
 465             throw new InvalidDeviceLinkException("Invalid device link", e);
 466         }
 467         account.setMultiDevice(true);
 468     }
 469
 470     @Override
 471     public void setRegistrationLockPin(java.util.Optional<String> pin) throws IOException {
 472         if (!account.isMasterDevice()) {
 473             throw new RuntimeException("Only master device can set a PIN");
 474         }
 475         if (pin.isPresent()) {
 476             final var masterKey = account.getPinMasterKey() != null
 477                     ? account.getPinMasterKey()
 478                     : KeyUtils.createMasterKey();
 479
 480             pinHelper.setRegistrationLockPin(pin.get(), masterKey);
 481
 482             account.setRegistrationLockPin(pin.get(), masterKey);
 483         } else {
 484             // Remove KBS Pin
 485             pinHelper.removeRegistrationLockPin();
 486
 487             account.setRegistrationLockPin(null, null);
 488         }
 489     }
 490
 491     void refreshPreKeys() throws IOException {
 492         preKeyHelper.refreshPreKeys();
 493     }
 494
 495     @Override
 496     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws IOException {
 497         return profileHelper.getRecipientProfile(resolveRecipient(recipient));
 498     }
 499
 500     private Profile getRecipientProfile(RecipientId recipientId) {
 501         return profileHelper.getRecipientProfile(recipientId);
 502     }
 503
 504     @Override
 505     public List<Group> getGroups() {
 506         return account.getGroupStore().getGroups().stream().map(this::toGroup).collect(Collectors.toList());
 507     }
 508
 509     private Group toGroup(final GroupInfo groupInfo) {
 510         if (groupInfo == null) {
 511             return null;
 512         }
 513
 514         return new Group(groupInfo.getGroupId(),
 515                 groupInfo.getTitle(),
 516                 groupInfo.getDescription(),
 517                 groupInfo.getGroupInviteLink(),
 518                 groupInfo.getMembers()
 519                         .stream()
 520                         .map(account.getRecipientStore()::resolveRecipientAddress)
 521                         .collect(Collectors.toSet()),
 522                 groupInfo.getPendingMembers()
 523                         .stream()
 524                         .map(account.getRecipientStore()::resolveRecipientAddress)
 525                         .collect(Collectors.toSet()),
 526                 groupInfo.getRequestingMembers()
 527                         .stream()
 528                         .map(account.getRecipientStore()::resolveRecipientAddress)
 529                         .collect(Collectors.toSet()),
 530                 groupInfo.getAdminMembers()
 531                         .stream()
 532                         .map(account.getRecipientStore()::resolveRecipientAddress)
 533                         .collect(Collectors.toSet()),
 534                 groupInfo.isBlocked(),
 535                 groupInfo.getMessageExpirationTimer(),
 536                 groupInfo.getPermissionAddMember(),
 537                 groupInfo.getPermissionEditDetails(),
 538                 groupInfo.getPermissionSendMessage(),
 539                 groupInfo.isMember(account.getSelfRecipientId()),
 540                 groupInfo.isAdmin(account.getSelfRecipientId()));
 541     }
 542
 543     @Override
 544     public SendGroupMessageResults quitGroup(
 545             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 546     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException {
 547         final var newAdmins = resolveRecipients(groupAdmins);
 548         return groupHelper.quitGroup(groupId, newAdmins);
 549     }
 550
 551     @Override
 552     public void deleteGroup(GroupId groupId) throws IOException {
 553         groupHelper.deleteGroup(groupId);
 554     }
 555
 556     @Override
 557     public Pair<GroupId, SendGroupMessageResults> createGroup(
 558             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 559     ) throws IOException, AttachmentInvalidException {
 560         return groupHelper.createGroup(name, members == null ? null : resolveRecipients(members), avatarFile);
 561     }
 562
 563     @Override
 564     public SendGroupMessageResults updateGroup(
 565             final GroupId groupId, final UpdateGroup updateGroup
 566     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException {
 567         return groupHelper.updateGroup(groupId,
 568                 updateGroup.getName(),
 569                 updateGroup.getDescription(),
 570                 updateGroup.getMembers() == null ? null : resolveRecipients(updateGroup.getMembers()),
 571                 updateGroup.getRemoveMembers() == null ? null : resolveRecipients(updateGroup.getRemoveMembers()),
 572                 updateGroup.getAdmins() == null ? null : resolveRecipients(updateGroup.getAdmins()),
 573                 updateGroup.getRemoveAdmins() == null ? null : resolveRecipients(updateGroup.getRemoveAdmins()),
 574                 updateGroup.isResetGroupLink(),
 575                 updateGroup.getGroupLinkState(),
 576                 updateGroup.getAddMemberPermission(),
 577                 updateGroup.getEditDetailsPermission(),
 578                 updateGroup.getAvatarFile(),
 579                 updateGroup.getExpirationTimer(),
 580                 updateGroup.getIsAnnouncementGroup());
 581     }
 582
 583     @Override
 584     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 585             GroupInviteLinkUrl inviteLinkUrl
 586     ) throws IOException, InactiveGroupLinkException {
 587         return groupHelper.joinGroup(inviteLinkUrl);
 588     }
 589
 590     private SendMessageResults sendMessage(
 591             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 592     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 593         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 594         long timestamp = System.currentTimeMillis();
 595         messageBuilder.withTimestamp(timestamp);
 596         for (final var recipient : recipients) {
 597             if (recipient instanceof RecipientIdentifier.Single single) {
 598                 final var recipientId = resolveRecipient(single);
 599                 final var result = sendHelper.sendMessage(messageBuilder, recipientId);
 600                 results.put(recipient,
 601                         List.of(SendMessageResult.from(result,
 602                                 account.getRecipientStore(),
 603                                 account.getRecipientStore()::resolveRecipientAddress)));
 604             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 605                 final var result = sendHelper.sendSelfMessage(messageBuilder);
 606                 results.put(recipient,
 607                         List.of(SendMessageResult.from(result,
 608                                 account.getRecipientStore(),
 609                                 account.getRecipientStore()::resolveRecipientAddress)));
 610             } else if (recipient instanceof RecipientIdentifier.Group group) {
 611                 final var result = sendHelper.sendAsGroupMessage(messageBuilder, group.groupId());
 612                 results.put(recipient,
 613                         result.stream()
 614                                 .map(sendMessageResult -> SendMessageResult.from(sendMessageResult,
 615                                         account.getRecipientStore(),
 616                                         account.getRecipientStore()::resolveRecipientAddress))
 617                                 .collect(Collectors.toList()));
 618             }
 619         }
 620         return new SendMessageResults(timestamp, results);
 621     }
 622
 623     private SendMessageResults sendTypingMessage(
 624             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 625     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 626         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 627         final var timestamp = System.currentTimeMillis();
 628         for (var recipient : recipients) {
 629             if (recipient instanceof RecipientIdentifier.Single) {
 630                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.absent());
 631                 final var recipientId = resolveRecipient((RecipientIdentifier.Single) recipient);
 632                 final var result = sendHelper.sendTypingMessage(message, recipientId);
 633                 results.put(recipient,
 634                         List.of(SendMessageResult.from(result,
 635                                 account.getRecipientStore(),
 636                                 account.getRecipientStore()::resolveRecipientAddress)));
 637             } else if (recipient instanceof RecipientIdentifier.Group) {
 638                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 639                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 640                 final var result = sendHelper.sendGroupTypingMessage(message, groupId);
 641                 results.put(recipient,
 642                         result.stream()
 643                                 .map(r -> SendMessageResult.from(r,
 644                                         account.getRecipientStore(),
 645                                         account.getRecipientStore()::resolveRecipientAddress))
 646                                 .collect(Collectors.toList()));
 647             }
 648         }
 649         return new SendMessageResults(timestamp, results);
 650     }
 651
 652     @Override
 653     public SendMessageResults sendTypingMessage(
 654             TypingAction action, Set<RecipientIdentifier> recipients
 655     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 656         return sendTypingMessage(action.toSignalService(), recipients);
 657     }
 658
 659     @Override
 660     public SendMessageResults sendReadReceipt(
 661             RecipientIdentifier.Single sender, List<Long> messageIds
 662     ) throws IOException {
 663         final var timestamp = System.currentTimeMillis();
 664         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 665                 messageIds,
 666                 timestamp);
 667
 668         final var result = sendHelper.sendReceiptMessage(receiptMessage, resolveRecipient(sender));
 669         return new SendMessageResults(timestamp,
 670                 Map.of(sender,
 671                         List.of(SendMessageResult.from(result,
 672                                 account.getRecipientStore(),
 673                                 account.getRecipientStore()::resolveRecipientAddress))));
 674     }
 675
 676     @Override
 677     public SendMessageResults sendViewedReceipt(
 678             RecipientIdentifier.Single sender, List<Long> messageIds
 679     ) throws IOException {
 680         final var timestamp = System.currentTimeMillis();
 681         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 682                 messageIds,
 683                 timestamp);
 684
 685         final var result = sendHelper.sendReceiptMessage(receiptMessage, resolveRecipient(sender));
 686         return new SendMessageResults(timestamp,
 687                 Map.of(sender,
 688                         List.of(SendMessageResult.from(result,
 689                                 account.getRecipientStore(),
 690                                 account.getRecipientStore()::resolveRecipientAddress))));
 691     }
 692
 693     @Override
 694     public SendMessageResults sendMessage(
 695             Message message, Set<RecipientIdentifier> recipients
 696     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 697         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 698         applyMessage(messageBuilder, message);
 699         return sendMessage(messageBuilder, recipients);
 700     }
 701
 702     private void applyMessage(
 703             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 704     ) throws AttachmentInvalidException, IOException {
 705         messageBuilder.withBody(message.messageText());
 706         final var attachments = message.attachments();
 707         if (attachments != null) {
 708             messageBuilder.withAttachments(attachmentHelper.uploadAttachments(attachments));
 709         }
 710         if (message.mentions().size() > 0) {
 711             final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 712             for (final var m : message.mentions()) {
 713                 final var recipientId = resolveRecipient(m.recipient());
 714                 mentions.add(new SignalServiceDataMessage.Mention(resolveSignalServiceAddress(recipientId).getAci(),
 715                         m.start(),
 716                         m.length()));
 717             }
 718             messageBuilder.withMentions(mentions);
 719         }
 720     }
 721
 722     @Override
 723     public SendMessageResults sendRemoteDeleteMessage(
 724             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 725     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 726         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 727         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 728         return sendMessage(messageBuilder, recipients);
 729     }
 730
 731     @Override
 732     public SendMessageResults sendMessageReaction(
 733             String emoji,
 734             boolean remove,
 735             RecipientIdentifier.Single targetAuthor,
 736             long targetSentTimestamp,
 737             Set<RecipientIdentifier> recipients
 738     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 739         var targetAuthorRecipientId = resolveRecipient(targetAuthor);
 740         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 741                 remove,
 742                 resolveSignalServiceAddress(targetAuthorRecipientId),
 743                 targetSentTimestamp);
 744         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 745         return sendMessage(messageBuilder, recipients);
 746     }
 747
 748     @Override
 749     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 750         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 751
 752         try {
 753             return sendMessage(messageBuilder,
 754                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 755         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 756             throw new AssertionError(e);
 757         } finally {
 758             for (var recipient : recipients) {
 759                 final var recipientId = resolveRecipient(recipient);
 760                 account.getSessionStore().deleteAllSessions(recipientId);
 761             }
 762         }
 763     }
 764
 765     @Override
 766     public void setContactName(
 767             RecipientIdentifier.Single recipient, String name
 768     ) throws NotMasterDeviceException, IOException {
 769         if (!account.isMasterDevice()) {
 770             throw new NotMasterDeviceException();
 771         }
 772         contactHelper.setContactName(resolveRecipient(recipient), name);
 773     }
 774
 775     @Override
 776     public void setContactBlocked(
 777             RecipientIdentifier.Single recipient, boolean blocked
 778     ) throws NotMasterDeviceException, IOException {
 779         if (!account.isMasterDevice()) {
 780             throw new NotMasterDeviceException();
 781         }
 782         contactHelper.setContactBlocked(resolveRecipient(recipient), blocked);
 783         // TODO cycle our profile key
 784         syncHelper.sendBlockedList();
 785     }
 786
 787     @Override
 788     public void setGroupBlocked(
 789             final GroupId groupId, final boolean blocked
 790     ) throws GroupNotFoundException, IOException, NotMasterDeviceException {
 791         if (!account.isMasterDevice()) {
 792             throw new NotMasterDeviceException();
 793         }
 794         groupHelper.setGroupBlocked(groupId, blocked);
 795         // TODO cycle our profile key
 796         syncHelper.sendBlockedList();
 797     }
 798
 799     /**
 800      * Change the expiration timer for a contact
 801      */
 802     @Override
 803     public void setExpirationTimer(
 804             RecipientIdentifier.Single recipient, int messageExpirationTimer
 805     ) throws IOException {
 806         var recipientId = resolveRecipient(recipient);
 807         contactHelper.setExpirationTimer(recipientId, messageExpirationTimer);
 808         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 809         try {
 810             sendMessage(messageBuilder, Set.of(recipient));
 811         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 812             throw new AssertionError(e);
 813         }
 814     }
 815
 816     /**
 817      * Upload the sticker pack from path.
 818      *
 819      * @param path Path can be a path to a manifest.json file or to a zip file that contains a manifest.json file
 820      * @return if successful, returns the URL to install the sticker pack in the signal app
 821      */
 822     @Override
 823     public URI uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 824         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 825
 826         var messageSender = dependencies.getMessageSender();
 827
 828         var packKey = KeyUtils.createStickerUploadKey();
 829         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 830         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 831
 832         var sticker = new Sticker(packId, packKey);
 833         account.getStickerStore().updateSticker(sticker);
 834
 835         try {
 836             return new URI("https",
 837                     "signal.art",
 838                     "/addstickers/",
 839                     "pack_id="
 840                             + URLEncoder.encode(Hex.toStringCondensed(packId.serialize()), StandardCharsets.UTF_8)
 841                             + "&pack_key="
 842                             + URLEncoder.encode(Hex.toStringCondensed(packKey), StandardCharsets.UTF_8));
 843         } catch (URISyntaxException e) {
 844             throw new AssertionError(e);
 845         }
 846     }
 847
 848     @Override
 849     public void requestAllSyncData() throws IOException {
 850         syncHelper.requestAllSyncData();
 851         retrieveRemoteStorage();
 852     }
 853
 854     void retrieveRemoteStorage() throws IOException {
 855         if (account.getStorageKey() != null) {
 856             storageHelper.readDataFromStorage();
 857         }
 858     }
 859
 860     private RecipientId refreshRegisteredUser(RecipientId recipientId) throws IOException {
 861         final var address = resolveSignalServiceAddress(recipientId);
 862         if (!address.getNumber().isPresent()) {
 863             return recipientId;
 864         }
 865         final var number = address.getNumber().get();
 866         final var uuid = getRegisteredUser(number);
 867         return resolveRecipientTrusted(new SignalServiceAddress(uuid, number));
 868     }
 869
 870     private ACI getRegisteredUser(final String number) throws IOException {
 871         final Map<String, ACI> aciMap;
 872         try {
 873             aciMap = getRegisteredUsers(Set.of(number));
 874         } catch (NumberFormatException e) {
 875             throw new IOException(number, e);
 876         }
 877         final var uuid = aciMap.get(number);
 878         if (uuid == null) {
 879             throw new IOException(number, null);
 880         }
 881         return uuid;
 882     }
 883
 884     private Map<String, ACI> getRegisteredUsers(final Set<String> numbers) throws IOException {
 885         final Map<String, ACI> registeredUsers;
 886         try {
 887             registeredUsers = dependencies.getAccountManager()
 888                     .getRegisteredUsers(ServiceConfig.getIasKeyStore(),
 889                             numbers,
 890                             serviceEnvironmentConfig.getCdsMrenclave());
 891         } catch (Quote.InvalidQuoteFormatException | UnauthenticatedQuoteException | SignatureException | UnauthenticatedResponseException | InvalidKeyException e) {
 892             throw new IOException(e);
 893         }
 894
 895         // Store numbers as recipients, so we have the number/uuid association
 896         registeredUsers.forEach((number, aci) -> resolveRecipientTrusted(new SignalServiceAddress(aci, number)));
 897
 898         return registeredUsers;
 899     }
 900
 901     private void retryFailedReceivedMessages(ReceiveMessageHandler handler) {
 902         Set<HandleAction> queuedActions = new HashSet<>();
 903         for (var cachedMessage : account.getMessageCache().getCachedMessages()) {
 904             var actions = retryFailedReceivedMessage(handler, cachedMessage);
 905             if (actions != null) {
 906                 queuedActions.addAll(actions);
 907             }
 908         }
 909         handleQueuedActions(queuedActions);
 910     }
 911
 912     private List<HandleAction> retryFailedReceivedMessage(
 913             final ReceiveMessageHandler handler, final CachedMessage cachedMessage
 914     ) {
 915         var envelope = cachedMessage.loadEnvelope();
 916         if (envelope == null) {
 917             cachedMessage.delete();
 918             return null;
 919         }
 920
 921         final var result = incomingMessageHandler.handleRetryEnvelope(envelope, ignoreAttachments, handler);
 922         final var actions = result.first();
 923         final var exception = result.second();
 924
 925         if (exception instanceof UntrustedIdentityException) {
 926             if (System.currentTimeMillis() - envelope.getServerDeliveredTimestamp() > 1000L * 60 * 60 * 24 * 30) {
 927                 // Envelope is more than a month old, cleaning up.
 928                 cachedMessage.delete();
 929                 return null;
 930             }
 931             if (!envelope.hasSourceUuid()) {
 932                 final var identifier = ((UntrustedIdentityException) exception).getSender();
 933                 final var recipientId = account.getRecipientStore().resolveRecipient(identifier);
 934                 try {
 935                     account.getMessageCache().replaceSender(cachedMessage, recipientId);
 936                 } catch (IOException ioException) {
 937                     logger.warn("Failed to move cached message to recipient folder: {}", ioException.getMessage());
 938                 }
 939             }
 940             return null;
 941         }
 942
 943         // If successful and for all other errors that are not recoverable, delete the cached message
 944         cachedMessage.delete();
 945         return actions;
 946     }
 947
 948     @Override
 949     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 950         if (isReceivingSynchronous) {
 951             throw new IllegalStateException("Already receiving message synchronously.");
 952         }
 953         synchronized (messageHandlers) {
 954             if (isWeakListener) {
 955                 weakHandlers.add(handler);
 956             } else {
 957                 messageHandlers.add(handler);
 958                 startReceiveThreadIfRequired();
 959             }
 960         }
 961     }
 962
 963     private void startReceiveThreadIfRequired() {
 964         if (receiveThread != null) {
 965             return;
 966         }
 967         receiveThread = new Thread(() -> {
 968             logger.debug("Starting receiving messages");
 969             while (!Thread.interrupted()) {
 970                 try {
 971                     receiveMessagesInternal(1L, TimeUnit.HOURS, false, (envelope, e) -> {
 972                         synchronized (messageHandlers) {
 973                             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 974                                 try {
 975                                     h.handleMessage(envelope, e);
 976                                 } catch (Exception ex) {
 977                                     logger.warn("Message handler failed, ignoring", ex);
 978                                 }
 979                             });
 980                         }
 981                     });
 982                     break;
 983                 } catch (IOException e) {
 984                     logger.warn("Receiving messages failed, retrying", e);
 985                 }
 986             }
 987             logger.debug("Finished receiving messages");
 988             hasCaughtUpWithOldMessages = false;
 989             synchronized (messageHandlers) {
 990                 receiveThread = null;
 991
 992                 // Check if in the meantime another handler has been registered
 993                 if (!messageHandlers.isEmpty()) {
 994                     logger.debug("Another handler has been registered, starting receive thread again");
 995                     startReceiveThreadIfRequired();
 996                 }
 997             }
 998         });
 999
1000         receiveThread.start();
1001     }
1002
1003     @Override
1004     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
1005         final Thread thread;
1006         synchronized (messageHandlers) {
1007             weakHandlers.remove(handler);
1008             messageHandlers.remove(handler);
1009             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
1010                 return;
1011             }
1012             thread = receiveThread;
1013             receiveThread = null;
1014         }
1015
1016         stopReceiveThread(thread);
1017     }
1018
1019     private void stopReceiveThread(final Thread thread) {
1020         thread.interrupt();
1021         try {
1022             thread.join();
1023         } catch (InterruptedException ignored) {
1024         }
1025     }
1026
1027     @Override
1028     public boolean isReceiving() {
1029         if (isReceivingSynchronous) {
1030             return true;
1031         }
1032         synchronized (messageHandlers) {
1033             return messageHandlers.size() > 0;
1034         }
1035     }
1036
1037     @Override
1038     public void receiveMessages(long timeout, TimeUnit unit, ReceiveMessageHandler handler) throws IOException {
1039         receiveMessages(timeout, unit, true, handler);
1040     }
1041
1042     @Override
1043     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
1044         receiveMessages(1L, TimeUnit.HOURS, false, handler);
1045     }
1046
1047     private void receiveMessages(
1048             long timeout, TimeUnit unit, boolean returnOnTimeout, ReceiveMessageHandler handler
1049     ) throws IOException {
1050         if (isReceiving()) {
1051             throw new IllegalStateException("Already receiving message.");
1052         }
1053         isReceivingSynchronous = true;
1054         receiveThread = Thread.currentThread();
1055         try {
1056             receiveMessagesInternal(timeout, unit, returnOnTimeout, handler);
1057         } finally {
1058             receiveThread = null;
1059             hasCaughtUpWithOldMessages = false;
1060             isReceivingSynchronous = false;
1061         }
1062     }
1063
1064     private void receiveMessagesInternal(
1065             long timeout, TimeUnit unit, boolean returnOnTimeout, ReceiveMessageHandler handler
1066     ) throws IOException {
1067         retryFailedReceivedMessages(handler);
1068
1069         // Use a Map here because java Set doesn't have a get method ...
1070         Map<HandleAction, HandleAction> queuedActions = new HashMap<>();
1071
1072         final var signalWebSocket = dependencies.getSignalWebSocket();
1073         signalWebSocket.connect();
1074
1075         hasCaughtUpWithOldMessages = false;
1076         var backOffCounter = 0;
1077         final var MAX_BACKOFF_COUNTER = 9;
1078
1079         while (!Thread.interrupted()) {
1080             SignalServiceEnvelope envelope;
1081             final CachedMessage[] cachedMessage = {null};
1082             final var nowMillis = System.currentTimeMillis();
1083             if (nowMillis - account.getLastReceiveTimestamp() > 60000) {
1084                 account.setLastReceiveTimestamp(nowMillis);
1085             }
1086             logger.debug("Checking for new message from server");
1087             try {
1088                 var result = signalWebSocket.readOrEmpty(unit.toMillis(timeout), envelope1 -> {
1089                     final var recipientId = envelope1.hasSourceUuid()
1090                             ? resolveRecipient(envelope1.getSourceAddress())
1091                             : null;
1092                     // store message on disk, before acknowledging receipt to the server
1093                     cachedMessage[0] = account.getMessageCache().cacheMessage(envelope1, recipientId);
1094                 });
1095                 backOffCounter = 0;
1096
1097                 if (result.isPresent()) {
1098                     envelope = result.get();
1099                     logger.debug("New message received from server");
1100                 } else {
1101                     logger.debug("Received indicator that server queue is empty");
1102                     handleQueuedActions(queuedActions.keySet());
1103                     queuedActions.clear();
1104
1105                     hasCaughtUpWithOldMessages = true;
1106                     synchronized (this) {
1107                         this.notifyAll();
1108                     }
1109
1110                     // Continue to wait another timeout for new messages
1111                     continue;
1112                 }
1113             } catch (AssertionError e) {
1114                 if (e.getCause() instanceof InterruptedException) {
1115                     Thread.currentThread().interrupt();
1116                     break;
1117                 } else {
1118                     throw e;
1119                 }
1120             } catch (IOException e) {
1121                 logger.debug("Pipe unexpectedly unavailable: {}", e.getMessage());
1122                 if (e instanceof WebSocketUnavailableException || "Connection closed!".equals(e.getMessage())) {
1123                     final var sleepMilliseconds = 100 * (long) Math.pow(2, backOffCounter);
1124                     backOffCounter = Math.min(backOffCounter + 1, MAX_BACKOFF_COUNTER);
1125                     logger.warn("Connection closed unexpectedly, reconnecting in {} ms", sleepMilliseconds);
1126                     try {
1127                         Thread.sleep(sleepMilliseconds);
1128                     } catch (InterruptedException interruptedException) {
1129                         return;
1130                     }
1131                     hasCaughtUpWithOldMessages = false;
1132                     signalWebSocket.connect();
1133                     continue;
1134                 }
1135                 throw e;
1136             } catch (TimeoutException e) {
1137                 backOffCounter = 0;
1138                 if (returnOnTimeout) return;
1139                 continue;
1140             }
1141
1142             final var result = incomingMessageHandler.handleEnvelope(envelope, ignoreAttachments, handler);
1143             for (final var h : result.first()) {
1144                 final var existingAction = queuedActions.get(h);
1145                 if (existingAction == null) {
1146                     queuedActions.put(h, h);
1147                 } else {
1148                     existingAction.mergeOther(h);
1149                 }
1150             }
1151             final var exception = result.second();
1152
1153             if (hasCaughtUpWithOldMessages) {
1154                 handleQueuedActions(queuedActions.keySet());
1155                 queuedActions.clear();
1156             }
1157             if (cachedMessage[0] != null) {
1158                 if (exception instanceof UntrustedIdentityException) {
1159                     logger.debug("Keeping message with untrusted identity in message cache");
1160                     final var address = ((UntrustedIdentityException) exception).getSender();
1161                     final var recipientId = resolveRecipient(address);
1162                     if (!envelope.hasSourceUuid()) {
1163                         try {
1164                             cachedMessage[0] = account.getMessageCache().replaceSender(cachedMessage[0], recipientId);
1165                         } catch (IOException ioException) {
1166                             logger.warn("Failed to move cached message to recipient folder: {}",
1167                                     ioException.getMessage());
1168                         }
1169                     }
1170                 } else {
1171                     cachedMessage[0].delete();
1172                 }
1173             }
1174         }
1175         handleQueuedActions(queuedActions.keySet());
1176         queuedActions.clear();
1177         dependencies.getSignalWebSocket().disconnect();
1178     }
1179
1180     @Override
1181     public void setIgnoreAttachments(final boolean ignoreAttachments) {
1182         this.ignoreAttachments = ignoreAttachments;
1183     }
1184
1185     @Override
1186     public boolean hasCaughtUpWithOldMessages() {
1187         return hasCaughtUpWithOldMessages;
1188     }
1189
1190     private void handleQueuedActions(final Collection<HandleAction> queuedActions) {
1191         logger.debug("Handling message actions");
1192         var interrupted = false;
1193         for (var action : queuedActions) {
1194             try {
1195                 action.execute(context);
1196             } catch (Throwable e) {
1197                 if ((e instanceof AssertionError || e instanceof RuntimeException)
1198                         && e.getCause() instanceof InterruptedException) {
1199                     interrupted = true;
1200                     continue;
1201                 }
1202                 logger.warn("Message action failed.", e);
1203             }
1204         }
1205         if (interrupted) {
1206             Thread.currentThread().interrupt();
1207         }
1208     }
1209
1210     @Override
1211     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
1212         final RecipientId recipientId;
1213         try {
1214             recipientId = resolveRecipient(recipient);
1215         } catch (IOException e) {
1216             return false;
1217         }
1218         return contactHelper.isContactBlocked(recipientId);
1219     }
1220
1221     @Override
1222     public void sendContacts() throws IOException {
1223         syncHelper.sendContacts();
1224     }
1225
1226     @Override
1227     public List<Pair<RecipientAddress, Contact>> getContacts() {
1228         return account.getContactStore()
1229                 .getContacts()
1230                 .stream()
1231                 .map(p -> new Pair<>(account.getRecipientStore().resolveRecipientAddress(p.first()), p.second()))
1232                 .collect(Collectors.toList());
1233     }
1234
1235     @Override
1236     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
1237         final RecipientId recipientId;
1238         try {
1239             recipientId = resolveRecipient(recipient);
1240         } catch (IOException e) {
1241             return null;
1242         }
1243
1244         final var contact = account.getContactStore().getContact(recipientId);
1245         if (contact != null && !Util.isEmpty(contact.getName())) {
1246             return contact.getName();
1247         }
1248
1249         final var profile = getRecipientProfile(recipientId);
1250         if (profile != null) {
1251             return profile.getDisplayName();
1252         }
1253
1254         return null;
1255     }
1256
1257     @Override
1258     public Group getGroup(GroupId groupId) {
1259         return toGroup(groupHelper.getGroup(groupId));
1260     }
1261
1262     private GroupInfo getGroupInfo(GroupId groupId) {
1263         return groupHelper.getGroup(groupId);
1264     }
1265
1266     @Override
1267     public List<Identity> getIdentities() {
1268         return account.getIdentityKeyStore()
1269                 .getIdentities()
1270                 .stream()
1271                 .map(this::toIdentity)
1272                 .collect(Collectors.toList());
1273     }
1274
1275     private Identity toIdentity(final IdentityInfo identityInfo) {
1276         if (identityInfo == null) {
1277             return null;
1278         }
1279
1280         final var address = account.getRecipientStore().resolveRecipientAddress(identityInfo.getRecipientId());
1281         final var scannableFingerprint = identityHelper.computeSafetyNumberForScanning(identityInfo.getRecipientId(),
1282                 identityInfo.getIdentityKey());
1283         return new Identity(address,
1284                 identityInfo.getIdentityKey(),
1285                 identityHelper.computeSafetyNumber(identityInfo.getRecipientId(), identityInfo.getIdentityKey()),
1286                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
1287                 identityInfo.getTrustLevel(),
1288                 identityInfo.getDateAdded());
1289     }
1290
1291     @Override
1292     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
1293         IdentityInfo identity;
1294         try {
1295             identity = account.getIdentityKeyStore().getIdentity(resolveRecipient(recipient));
1296         } catch (IOException e) {
1297             identity = null;
1298         }
1299         return identity == null ? List.of() : List.of(toIdentity(identity));
1300     }
1301
1302     /**
1303      * Trust this the identity with this fingerprint
1304      *
1305      * @param recipient   account of the identity
1306      * @param fingerprint Fingerprint
1307      */
1308     @Override
1309     public boolean trustIdentityVerified(RecipientIdentifier.Single recipient, byte[] fingerprint) {
1310         RecipientId recipientId;
1311         try {
1312             recipientId = resolveRecipient(recipient);
1313         } catch (IOException e) {
1314             return false;
1315         }
1316         return identityHelper.trustIdentityVerified(recipientId, fingerprint);
1317     }
1318
1319     /**
1320      * Trust this the identity with this safety number
1321      *
1322      * @param recipient    account of the identity
1323      * @param safetyNumber Safety number
1324      */
1325     @Override
1326     public boolean trustIdentityVerifiedSafetyNumber(RecipientIdentifier.Single recipient, String safetyNumber) {
1327         RecipientId recipientId;
1328         try {
1329             recipientId = resolveRecipient(recipient);
1330         } catch (IOException e) {
1331             return false;
1332         }
1333         return identityHelper.trustIdentityVerifiedSafetyNumber(recipientId, safetyNumber);
1334     }
1335
1336     /**
1337      * Trust this the identity with this scannable safety number
1338      *
1339      * @param recipient    account of the identity
1340      * @param safetyNumber Scannable safety number
1341      */
1342     @Override
1343     public boolean trustIdentityVerifiedSafetyNumber(RecipientIdentifier.Single recipient, byte[] safetyNumber) {
1344         RecipientId recipientId;
1345         try {
1346             recipientId = resolveRecipient(recipient);
1347         } catch (IOException e) {
1348             return false;
1349         }
1350         return identityHelper.trustIdentityVerifiedSafetyNumber(recipientId, safetyNumber);
1351     }
1352
1353     /**
1354      * Trust all keys of this identity without verification
1355      *
1356      * @param recipient account of the identity
1357      */
1358     @Override
1359     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) {
1360         RecipientId recipientId;
1361         try {
1362             recipientId = resolveRecipient(recipient);
1363         } catch (IOException e) {
1364             return false;
1365         }
1366         return identityHelper.trustIdentityAllKeys(recipientId);
1367     }
1368
1369     @Override
1370     public void addClosedListener(final Runnable listener) {
1371         synchronized (closedListeners) {
1372             closedListeners.add(listener);
1373         }
1374     }
1375
1376     private void handleIdentityFailure(
1377             final RecipientId recipientId,
1378             final org.whispersystems.signalservice.api.messages.SendMessageResult.IdentityFailure identityFailure
1379     ) {
1380         this.identityHelper.handleIdentityFailure(recipientId, identityFailure);
1381     }
1382
1383     private SignalServiceAddress resolveSignalServiceAddress(RecipientId recipientId) {
1384         final var address = account.getRecipientStore().resolveRecipientAddress(recipientId);
1385         if (address.getUuid().isPresent()) {
1386             return address.toSignalServiceAddress();
1387         }
1388
1389         // Address in recipient store doesn't have a uuid, this shouldn't happen
1390         // Try to retrieve the uuid from the server
1391         final var number = address.getNumber().get();
1392         final ACI aci;
1393         try {
1394             aci = getRegisteredUser(number);
1395         } catch (IOException e) {
1396             logger.warn("Failed to get uuid for e164 number: {}", number, e);
1397             // Return SignalServiceAddress with unknown UUID
1398             return address.toSignalServiceAddress();
1399         }
1400         return resolveSignalServiceAddress(account.getRecipientStore().resolveRecipient(aci));
1401     }
1402
1403     private Set<RecipientId> resolveRecipients(Collection<RecipientIdentifier.Single> recipients) throws IOException {
1404         final var recipientIds = new HashSet<RecipientId>(recipients.size());
1405         for (var number : recipients) {
1406             final var recipientId = resolveRecipient(number);
1407             recipientIds.add(recipientId);
1408         }
1409         return recipientIds;
1410     }
1411
1412     private RecipientId resolveRecipient(final RecipientIdentifier.Single recipient) throws IOException {
1413         if (recipient instanceof RecipientIdentifier.Uuid uuidRecipient) {
1414             return account.getRecipientStore().resolveRecipient(ACI.from(uuidRecipient.uuid()));
1415         } else {
1416             final var number = ((RecipientIdentifier.Number) recipient).number();
1417             return account.getRecipientStore().resolveRecipient(number, () -> {
1418                 try {
1419                     return getRegisteredUser(number);
1420                 } catch (IOException e) {
1421                     return null;
1422                 }
1423             });
1424         }
1425     }
1426
1427     private RecipientId resolveRecipient(RecipientAddress address) {
1428         return account.getRecipientStore().resolveRecipient(address);
1429     }
1430
1431     private RecipientId resolveRecipient(SignalServiceAddress address) {
1432         return account.getRecipientStore().resolveRecipient(address);
1433     }
1434
1435     private RecipientId resolveRecipientTrusted(SignalServiceAddress address) {
1436         return account.getRecipientStore().resolveRecipientTrusted(address);
1437     }
1438
1439     @Override
1440     public void close() throws IOException {
1441         Thread thread;
1442         synchronized (messageHandlers) {
1443             weakHandlers.clear();
1444             messageHandlers.clear();
1445             thread = receiveThread;
1446             receiveThread = null;
1447         }
1448         if (thread != null) {
1449             stopReceiveThread(thread);
1450         }
1451         executor.shutdown();
1452
1453         dependencies.getSignalWebSocket().disconnect();
1454
1455         synchronized (closedListeners) {
1456             closedListeners.forEach(Runnable::run);
1457             closedListeners.clear();
1458         }
1459
1460         if (account != null) {
1461             account.close();
1462         }
1463         account = null;
1464     }
1465 }