nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/Manager.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.api.Device;
  20 import org.asamk.signal.manager.api.TypingAction;
  21 import org.asamk.signal.manager.config.ServiceConfig;
  22 import org.asamk.signal.manager.config.ServiceEnvironment;
  23 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  24 import org.asamk.signal.manager.groups.GroupId;
  25 import org.asamk.signal.manager.groups.GroupIdV1;
  26 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  27 import org.asamk.signal.manager.groups.GroupLinkState;
  28 import org.asamk.signal.manager.groups.GroupNotFoundException;
  29 import org.asamk.signal.manager.groups.GroupPermission;
  30 import org.asamk.signal.manager.groups.GroupUtils;
  31 import org.asamk.signal.manager.groups.LastGroupAdminException;
  32 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  33 import org.asamk.signal.manager.helper.GroupV2Helper;
  34 import org.asamk.signal.manager.helper.PinHelper;
  35 import org.asamk.signal.manager.helper.ProfileHelper;
  36 import org.asamk.signal.manager.helper.SendHelper;
  37 import org.asamk.signal.manager.helper.UnidentifiedAccessHelper;
  38 import org.asamk.signal.manager.jobs.Context;
  39 import org.asamk.signal.manager.jobs.Job;
  40 import org.asamk.signal.manager.jobs.RetrieveStickerPackJob;
  41 import org.asamk.signal.manager.storage.SignalAccount;
  42 import org.asamk.signal.manager.storage.groups.GroupInfo;
  43 import org.asamk.signal.manager.storage.groups.GroupInfoV1;
  44 import org.asamk.signal.manager.storage.groups.GroupInfoV2;
  45 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  46 import org.asamk.signal.manager.storage.messageCache.CachedMessage;
  47 import org.asamk.signal.manager.storage.recipients.Contact;
  48 import org.asamk.signal.manager.storage.recipients.Profile;
  49 import org.asamk.signal.manager.storage.recipients.RecipientId;
  50 import org.asamk.signal.manager.storage.stickers.Sticker;
  51 import org.asamk.signal.manager.storage.stickers.StickerPackId;
  52 import org.asamk.signal.manager.util.AttachmentUtils;
  53 import org.asamk.signal.manager.util.IOUtils;
  54 import org.asamk.signal.manager.util.KeyUtils;
  55 import org.asamk.signal.manager.util.ProfileUtils;
  56 import org.asamk.signal.manager.util.StickerUtils;
  57 import org.asamk.signal.manager.util.Utils;
  58 import org.signal.libsignal.metadata.InvalidMetadataMessageException;
  59 import org.signal.libsignal.metadata.InvalidMetadataVersionException;
  60 import org.signal.libsignal.metadata.ProtocolDuplicateMessageException;
  61 import org.signal.libsignal.metadata.ProtocolInvalidKeyException;
  62 import org.signal.libsignal.metadata.ProtocolInvalidKeyIdException;
  63 import org.signal.libsignal.metadata.ProtocolInvalidMessageException;
  64 import org.signal.libsignal.metadata.ProtocolInvalidVersionException;
  65 import org.signal.libsignal.metadata.ProtocolLegacyMessageException;
  66 import org.signal.libsignal.metadata.ProtocolNoSessionException;
  67 import org.signal.libsignal.metadata.ProtocolUntrustedIdentityException;
  68 import org.signal.libsignal.metadata.SelfSendException;
  69 import org.signal.storageservice.protos.groups.GroupChange;
  70 import org.signal.storageservice.protos.groups.local.DecryptedGroup;
  71 import org.signal.zkgroup.InvalidInputException;
  72 import org.signal.zkgroup.VerificationFailedException;
  73 import org.signal.zkgroup.groups.GroupMasterKey;
  74 import org.signal.zkgroup.groups.GroupSecretParams;
  75 import org.signal.zkgroup.profiles.ProfileKey;
  76 import org.signal.zkgroup.profiles.ProfileKeyCredential;
  77 import org.slf4j.Logger;
  78 import org.slf4j.LoggerFactory;
  79 import org.whispersystems.libsignal.IdentityKey;
  80 import org.whispersystems.libsignal.IdentityKeyPair;
  81 import org.whispersystems.libsignal.InvalidKeyException;
  82 import org.whispersystems.libsignal.InvalidMessageException;
  83 import org.whispersystems.libsignal.ecc.ECPublicKey;
  84 import org.whispersystems.libsignal.state.PreKeyRecord;
  85 import org.whispersystems.libsignal.state.SignedPreKeyRecord;
  86 import org.whispersystems.libsignal.util.Pair;
  87 import org.whispersystems.libsignal.util.guava.Optional;
  88 import org.whispersystems.signalservice.api.InvalidMessageStructureException;
  89 import org.whispersystems.signalservice.api.SignalSessionLock;
  90 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
  91 import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
  92 import org.whispersystems.signalservice.api.groupsv2.GroupsV2AuthorizationString;
  93 import org.whispersystems.signalservice.api.messages.SendMessageResult;
  94 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
  95 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentPointer;
  96 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentRemoteId;
  97 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentStream;
  98 import org.whispersystems.signalservice.api.messages.SignalServiceContent;
  99 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
 100 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
 101 import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
 102 import org.whispersystems.signalservice.api.messages.SignalServiceGroupV2;
 103 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
 104 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
 105 import org.whispersystems.signalservice.api.messages.multidevice.BlockedListMessage;
 106 import org.whispersystems.signalservice.api.messages.multidevice.ContactsMessage;
 107 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContact;
 108 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsInputStream;
 109 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsOutputStream;
 110 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroup;
 111 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsInputStream;
 112 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsOutputStream;
 113 import org.whispersystems.signalservice.api.messages.multidevice.RequestMessage;
 114 import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
 115 import org.whispersystems.signalservice.api.messages.multidevice.StickerPackOperationMessage;
 116 import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage;
 117 import org.whispersystems.signalservice.api.profiles.ProfileAndCredential;
 118 import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
 119 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
 120 import org.whispersystems.signalservice.api.push.exceptions.ConflictException;
 121 import org.whispersystems.signalservice.api.push.exceptions.MissingConfigurationException;
 122 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
 123 import org.whispersystems.signalservice.api.util.InvalidNumberException;
 124 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
 125 import org.whispersystems.signalservice.api.util.UuidUtil;
 126 import org.whispersystems.signalservice.api.websocket.WebSocketUnavailableException;
 127 import org.whispersystems.signalservice.internal.contacts.crypto.Quote;
 128 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedQuoteException;
 129 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedResponseException;
 130 import org.whispersystems.signalservice.internal.push.SignalServiceProtos;
 131 import org.whispersystems.signalservice.internal.push.UnsupportedDataMessageException;
 132 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
 133 import org.whispersystems.signalservice.internal.util.Hex;
 134 import org.whispersystems.signalservice.internal.util.Util;
 135
 136 import java.io.Closeable;
 137 import java.io.File;
 138 import java.io.FileInputStream;
 139 import java.io.FileOutputStream;
 140 import java.io.IOException;
 141 import java.io.InputStream;
 142 import java.io.OutputStream;
 143 import java.net.URI;
 144 import java.net.URISyntaxException;
 145 import java.net.URLEncoder;
 146 import java.nio.charset.StandardCharsets;
 147 import java.nio.file.Files;
 148 import java.security.SignatureException;
 149 import java.util.ArrayList;
 150 import java.util.Arrays;
 151 import java.util.Base64;
 152 import java.util.Collection;
 153 import java.util.Date;
 154 import java.util.HashSet;
 155 import java.util.List;
 156 import java.util.Map;
 157 import java.util.Set;
 158 import java.util.UUID;
 159 import java.util.concurrent.ExecutorService;
 160 import java.util.concurrent.Executors;
 161 import java.util.concurrent.TimeUnit;
 162 import java.util.concurrent.TimeoutException;
 163 import java.util.concurrent.locks.ReentrantLock;
 164 import java.util.function.Function;
 165 import java.util.stream.Collectors;
 166
 167 import static org.asamk.signal.manager.config.ServiceConfig.capabilities;
 168
 169 public class Manager implements Closeable {
 170
 171     private final static Logger logger = LoggerFactory.getLogger(Manager.class);
 172
 173     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
 174     private final SignalDependencies dependencies;
 175
 176     private SignalAccount account;
 177
 178     private final ExecutorService executor = Executors.newCachedThreadPool();
 179
 180     private final ProfileHelper profileHelper;
 181     private final GroupV2Helper groupV2Helper;
 182     private final PinHelper pinHelper;
 183     private final SendHelper sendHelper;
 184
 185     private final AvatarStore avatarStore;
 186     private final AttachmentStore attachmentStore;
 187     private final StickerPackStore stickerPackStore;
 188     private final SignalSessionLock sessionLock = new SignalSessionLock() {
 189         private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 190
 191         @Override
 192         public Lock acquire() {
 193             LEGACY_LOCK.lock();
 194             return LEGACY_LOCK::unlock;
 195         }
 196     };
 197
 198     Manager(
 199             SignalAccount account,
 200             PathConfig pathConfig,
 201             ServiceEnvironmentConfig serviceEnvironmentConfig,
 202             String userAgent
 203     ) {
 204         this.account = account;
 205         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
 206
 207         final var credentialsProvider = new DynamicCredentialsProvider(account.getUuid(),
 208                 account.getUsername(),
 209                 account.getPassword(),
 210                 account.getDeviceId());
 211         this.dependencies = new SignalDependencies(account.getSelfAddress(),
 212                 serviceEnvironmentConfig,
 213                 userAgent,
 214                 credentialsProvider,
 215                 account.getSignalProtocolStore(),
 216                 executor,
 217                 sessionLock);
 218         this.pinHelper = new PinHelper(dependencies.getKeyBackupService());
 219
 220         final var unidentifiedAccessHelper = new UnidentifiedAccessHelper(account::getProfileKey,
 221                 account.getProfileStore()::getProfileKey,
 222                 this::getRecipientProfile,
 223                 this::getSenderCertificate);
 224         this.profileHelper = new ProfileHelper(account.getProfileStore()::getProfileKey,
 225                 unidentifiedAccessHelper::getAccessFor,
 226                 dependencies::getProfileService,
 227                 dependencies::getMessageReceiver,
 228                 this::resolveSignalServiceAddress);
 229         this.groupV2Helper = new GroupV2Helper(this::getRecipientProfileKeyCredential,
 230                 this::getRecipientProfile,
 231                 account::getSelfRecipientId,
 232                 dependencies.getGroupsV2Operations(),
 233                 dependencies.getGroupsV2Api(),
 234                 this::getGroupAuthForToday,
 235                 this::resolveSignalServiceAddress);
 236         this.avatarStore = new AvatarStore(pathConfig.getAvatarsPath());
 237         this.attachmentStore = new AttachmentStore(pathConfig.getAttachmentsPath());
 238         this.stickerPackStore = new StickerPackStore(pathConfig.getStickerPacksPath());
 239         this.sendHelper = new SendHelper(account,
 240                 dependencies,
 241                 unidentifiedAccessHelper,
 242                 this::resolveSignalServiceAddress,
 243                 this::resolveRecipient,
 244                 this::handleIdentityFailure,
 245                 this::getGroup,
 246                 this::refreshRegisteredUser);
 247     }
 248
 249     public String getUsername() {
 250         return account.getUsername();
 251     }
 252
 253     public SignalServiceAddress getSelfAddress() {
 254         return account.getSelfAddress();
 255     }
 256
 257     public RecipientId getSelfRecipientId() {
 258         return account.getSelfRecipientId();
 259     }
 260
 261     private IdentityKeyPair getIdentityKeyPair() {
 262         return account.getIdentityKeyPair();
 263     }
 264
 265     public int getDeviceId() {
 266         return account.getDeviceId();
 267     }
 268
 269     public static Manager init(
 270             String username, File settingsPath, ServiceEnvironment serviceEnvironment, String userAgent
 271     ) throws IOException, NotRegisteredException {
 272         var pathConfig = PathConfig.createDefault(settingsPath);
 273
 274         if (!SignalAccount.userExists(pathConfig.getDataPath(), username)) {
 275             throw new NotRegisteredException();
 276         }
 277
 278         var account = SignalAccount.load(pathConfig.getDataPath(), username, true);
 279
 280         if (!account.isRegistered()) {
 281             throw new NotRegisteredException();
 282         }
 283
 284         final var serviceEnvironmentConfig = ServiceConfig.getServiceEnvironmentConfig(serviceEnvironment, userAgent);
 285
 286         return new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent);
 287     }
 288
 289     public static List<String> getAllLocalUsernames(File settingsPath) {
 290         var pathConfig = PathConfig.createDefault(settingsPath);
 291         final var dataPath = pathConfig.getDataPath();
 292         final var files = dataPath.listFiles();
 293
 294         if (files == null) {
 295             return List.of();
 296         }
 297
 298         return Arrays.stream(files)
 299                 .filter(File::isFile)
 300                 .map(File::getName)
 301                 .filter(file -> PhoneNumberFormatter.isValidNumber(file, null))
 302                 .collect(Collectors.toList());
 303     }
 304
 305     public void checkAccountState() throws IOException {
 306         if (account.getLastReceiveTimestamp() == 0) {
 307             logger.warn("The Signal protocol expects that incoming messages are regularly received.");
 308         } else {
 309             var diffInMilliseconds = System.currentTimeMillis() - account.getLastReceiveTimestamp();
 310             long days = TimeUnit.DAYS.convert(diffInMilliseconds, TimeUnit.MILLISECONDS);
 311             if (days > 7) {
 312                 logger.warn(
 313                         "Messages have been last received {} days ago. The Signal protocol expects that incoming messages are regularly received.",
 314                         days);
 315             }
 316         }
 317         if (dependencies.getAccountManager().getPreKeysCount() < ServiceConfig.PREKEY_MINIMUM_COUNT) {
 318             refreshPreKeys();
 319         }
 320         if (account.getUuid() == null) {
 321             account.setUuid(dependencies.getAccountManager().getOwnUuid());
 322         }
 323         updateAccountAttributes();
 324     }
 325
 326     /**
 327      * This is used for checking a set of phone numbers for registration on Signal
 328      *
 329      * @param numbers The set of phone number in question
 330      * @return A map of numbers to canonicalized number and uuid. If a number is not registered the uuid is null.
 331      * @throws IOException if its unable to get the contacts to check if they're registered
 332      */
 333     public Map<String, Pair<String, UUID>> areUsersRegistered(Set<String> numbers) throws IOException {
 334         Map<String, String> canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 335             try {
 336                 return canonicalizePhoneNumber(n);
 337             } catch (InvalidNumberException e) {
 338                 return "";
 339             }
 340         }));
 341
 342         // Note "contactDetails" has no optionals. It only gives us info on users who are registered
 343         var contactDetails = getRegisteredUsers(canonicalizedNumbers.values()
 344                 .stream()
 345                 .filter(s -> !s.isEmpty())
 346                 .collect(Collectors.toSet()));
 347
 348         // Store numbers as recipients so we have the number/uuid association
 349         contactDetails.forEach((number, uuid) -> resolveRecipientTrusted(new SignalServiceAddress(uuid, number)));
 350
 351         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 352             final var number = canonicalizedNumbers.get(n);
 353             final var uuid = contactDetails.get(number);
 354             return new Pair<>(number.isEmpty() ? null : number, uuid);
 355         }));
 356     }
 357
 358     public void updateAccountAttributes() throws IOException {
 359         dependencies.getAccountManager()
 360                 .setAccountAttributes(account.getEncryptedDeviceName(),
 361                         null,
 362                         account.getLocalRegistrationId(),
 363                         true,
 364                         // set legacy pin only if no KBS master key is set
 365                         account.getPinMasterKey() == null ? account.getRegistrationLockPin() : null,
 366                         account.getPinMasterKey() == null ? null : account.getPinMasterKey().deriveRegistrationLock(),
 367                         account.getSelfUnidentifiedAccessKey(),
 368                         account.isUnrestrictedUnidentifiedAccess(),
 369                         capabilities,
 370                         account.isDiscoverableByPhoneNumber());
 371     }
 372
 373     /**
 374      * @param givenName  if null, the previous givenName will be kept
 375      * @param familyName if null, the previous familyName will be kept
 376      * @param about      if null, the previous about text will be kept
 377      * @param aboutEmoji if null, the previous about emoji will be kept
 378      * @param avatar     if avatar is null the image from the local avatar store is used (if present),
 379      */
 380     public void setProfile(
 381             String givenName, final String familyName, String about, String aboutEmoji, Optional<File> avatar
 382     ) throws IOException {
 383         var profile = getRecipientProfile(account.getSelfRecipientId());
 384         var builder = profile == null ? Profile.newBuilder() : Profile.newBuilder(profile);
 385         if (givenName != null) {
 386             builder.withGivenName(givenName);
 387         }
 388         if (familyName != null) {
 389             builder.withFamilyName(familyName);
 390         }
 391         if (about != null) {
 392             builder.withAbout(about);
 393         }
 394         if (aboutEmoji != null) {
 395             builder.withAboutEmoji(aboutEmoji);
 396         }
 397         var newProfile = builder.build();
 398
 399         try (final var streamDetails = avatar == null
 400                 ? avatarStore.retrieveProfileAvatar(getSelfAddress())
 401                 : avatar.isPresent() ? Utils.createStreamDetailsFromFile(avatar.get()) : null) {
 402             dependencies.getAccountManager()
 403                     .setVersionedProfile(account.getUuid(),
 404                             account.getProfileKey(),
 405                             newProfile.getInternalServiceName(),
 406                             newProfile.getAbout() == null ? "" : newProfile.getAbout(),
 407                             newProfile.getAboutEmoji() == null ? "" : newProfile.getAboutEmoji(),
 408                             Optional.absent(),
 409                             streamDetails);
 410         }
 411
 412         if (avatar != null) {
 413             if (avatar.isPresent()) {
 414                 avatarStore.storeProfileAvatar(getSelfAddress(),
 415                         outputStream -> IOUtils.copyFileToStream(avatar.get(), outputStream));
 416             } else {
 417                 avatarStore.deleteProfileAvatar(getSelfAddress());
 418             }
 419         }
 420         account.getProfileStore().storeProfile(account.getSelfRecipientId(), newProfile);
 421
 422         sendHelper.sendSyncMessage(SignalServiceSyncMessage.forFetchLatest(SignalServiceSyncMessage.FetchType.LOCAL_PROFILE));
 423     }
 424
 425     public void unregister() throws IOException {
 426         // When setting an empty GCM id, the Signal-Server also sets the fetchesMessages property to false.
 427         // If this is the master device, other users can't send messages to this number anymore.
 428         // If this is a linked device, other users can still send messages, but this device doesn't receive them anymore.
 429         dependencies.getAccountManager().setGcmId(Optional.absent());
 430
 431         account.setRegistered(false);
 432     }
 433
 434     public void deleteAccount() throws IOException {
 435         dependencies.getAccountManager().deleteAccount();
 436
 437         account.setRegistered(false);
 438     }
 439
 440     public List<Device> getLinkedDevices() throws IOException {
 441         var devices = dependencies.getAccountManager().getDevices();
 442         account.setMultiDevice(devices.size() > 1);
 443         var identityKey = account.getIdentityKeyPair().getPrivateKey();
 444         return devices.stream().map(d -> {
 445             String deviceName = d.getName();
 446             if (deviceName != null) {
 447                 try {
 448                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 449                 } catch (IOException e) {
 450                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 451                 }
 452             }
 453             return new Device(d.getId(), deviceName, d.getCreated(), d.getLastSeen());
 454         }).collect(Collectors.toList());
 455     }
 456
 457     public void removeLinkedDevices(int deviceId) throws IOException {
 458         dependencies.getAccountManager().removeDevice(deviceId);
 459         var devices = dependencies.getAccountManager().getDevices();
 460         account.setMultiDevice(devices.size() > 1);
 461     }
 462
 463     public void addDeviceLink(URI linkUri) throws IOException, InvalidKeyException {
 464         var info = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 465
 466         addDevice(info.deviceIdentifier, info.deviceKey);
 467     }
 468
 469     private void addDevice(String deviceIdentifier, ECPublicKey deviceKey) throws IOException, InvalidKeyException {
 470         var identityKeyPair = getIdentityKeyPair();
 471         var verificationCode = dependencies.getAccountManager().getNewDeviceVerificationCode();
 472
 473         dependencies.getAccountManager()
 474                 .addDevice(deviceIdentifier,
 475                         deviceKey,
 476                         identityKeyPair,
 477                         Optional.of(account.getProfileKey().serialize()),
 478                         verificationCode);
 479         account.setMultiDevice(true);
 480     }
 481
 482     public void setRegistrationLockPin(Optional<String> pin) throws IOException, UnauthenticatedResponseException {
 483         if (!account.isMasterDevice()) {
 484             throw new RuntimeException("Only master device can set a PIN");
 485         }
 486         if (pin.isPresent()) {
 487             final var masterKey = account.getPinMasterKey() != null
 488                     ? account.getPinMasterKey()
 489                     : KeyUtils.createMasterKey();
 490
 491             pinHelper.setRegistrationLockPin(pin.get(), masterKey);
 492
 493             account.setRegistrationLockPin(pin.get(), masterKey);
 494         } else {
 495             // Remove KBS Pin
 496             pinHelper.removeRegistrationLockPin();
 497
 498             account.setRegistrationLockPin(null, null);
 499         }
 500     }
 501
 502     void refreshPreKeys() throws IOException {
 503         var oneTimePreKeys = generatePreKeys();
 504         final var identityKeyPair = getIdentityKeyPair();
 505         var signedPreKeyRecord = generateSignedPreKey(identityKeyPair);
 506
 507         dependencies.getAccountManager().setPreKeys(identityKeyPair.getPublicKey(), signedPreKeyRecord, oneTimePreKeys);
 508     }
 509
 510     private List<PreKeyRecord> generatePreKeys() {
 511         final var offset = account.getPreKeyIdOffset();
 512
 513         var records = KeyUtils.generatePreKeyRecords(offset, ServiceConfig.PREKEY_BATCH_SIZE);
 514         account.addPreKeys(records);
 515
 516         return records;
 517     }
 518
 519     private SignedPreKeyRecord generateSignedPreKey(IdentityKeyPair identityKeyPair) {
 520         final var signedPreKeyId = account.getNextSignedPreKeyId();
 521
 522         var record = KeyUtils.generateSignedPreKeyRecord(identityKeyPair, signedPreKeyId);
 523         account.addSignedPreKey(record);
 524
 525         return record;
 526     }
 527
 528     public Profile getRecipientProfile(
 529             RecipientId recipientId
 530     ) {
 531         return getRecipientProfile(recipientId, false);
 532     }
 533
 534     private final Set<RecipientId> pendingProfileRequest = new HashSet<>();
 535
 536     Profile getRecipientProfile(
 537             RecipientId recipientId, boolean force
 538     ) {
 539         var profile = account.getProfileStore().getProfile(recipientId);
 540
 541         var now = System.currentTimeMillis();
 542         // Profiles are cached for 24h before retrieving them again, unless forced
 543         if (!force && profile != null && now - profile.getLastUpdateTimestamp() < 24 * 60 * 60 * 1000) {
 544             return profile;
 545         }
 546
 547         synchronized (pendingProfileRequest) {
 548             if (pendingProfileRequest.contains(recipientId)) {
 549                 return profile;
 550             }
 551             pendingProfileRequest.add(recipientId);
 552         }
 553         final SignalServiceProfile encryptedProfile;
 554         try {
 555             encryptedProfile = retrieveEncryptedProfile(recipientId);
 556         } finally {
 557             synchronized (pendingProfileRequest) {
 558                 pendingProfileRequest.remove(recipientId);
 559             }
 560         }
 561         if (encryptedProfile == null) {
 562             return null;
 563         }
 564
 565         profile = decryptProfileIfKeyKnown(recipientId, encryptedProfile);
 566         account.getProfileStore().storeProfile(recipientId, profile);
 567
 568         return profile;
 569     }
 570
 571     private Profile decryptProfileIfKeyKnown(
 572             final RecipientId recipientId, final SignalServiceProfile encryptedProfile
 573     ) {
 574         var profileKey = account.getProfileStore().getProfileKey(recipientId);
 575         if (profileKey == null) {
 576             return new Profile(System.currentTimeMillis(),
 577                     null,
 578                     null,
 579                     null,
 580                     null,
 581                     ProfileUtils.getUnidentifiedAccessMode(encryptedProfile, null),
 582                     ProfileUtils.getCapabilities(encryptedProfile));
 583         }
 584
 585         return decryptProfileAndDownloadAvatar(recipientId, profileKey, encryptedProfile);
 586     }
 587
 588     private SignalServiceProfile retrieveEncryptedProfile(RecipientId recipientId) {
 589         try {
 590             return retrieveProfileAndCredential(recipientId, SignalServiceProfile.RequestType.PROFILE).getProfile();
 591         } catch (IOException e) {
 592             logger.warn("Failed to retrieve profile, ignoring: {}", e.getMessage());
 593             return null;
 594         }
 595     }
 596
 597     private ProfileAndCredential retrieveProfileAndCredential(
 598             final RecipientId recipientId, final SignalServiceProfile.RequestType requestType
 599     ) throws IOException {
 600         final var profileAndCredential = profileHelper.retrieveProfileSync(recipientId, requestType);
 601         final var profile = profileAndCredential.getProfile();
 602
 603         try {
 604             var newIdentity = account.getIdentityKeyStore()
 605                     .saveIdentity(recipientId,
 606                             new IdentityKey(Base64.getDecoder().decode(profile.getIdentityKey())),
 607                             new Date());
 608
 609             if (newIdentity) {
 610                 account.getSessionStore().archiveSessions(recipientId);
 611             }
 612         } catch (InvalidKeyException ignored) {
 613             logger.warn("Got invalid identity key in profile for {}",
 614                     resolveSignalServiceAddress(recipientId).getIdentifier());
 615         }
 616         return profileAndCredential;
 617     }
 618
 619     private ProfileKeyCredential getRecipientProfileKeyCredential(RecipientId recipientId) {
 620         var profileKeyCredential = account.getProfileStore().getProfileKeyCredential(recipientId);
 621         if (profileKeyCredential != null) {
 622             return profileKeyCredential;
 623         }
 624
 625         ProfileAndCredential profileAndCredential;
 626         try {
 627             profileAndCredential = retrieveProfileAndCredential(recipientId,
 628                     SignalServiceProfile.RequestType.PROFILE_AND_CREDENTIAL);
 629         } catch (IOException e) {
 630             logger.warn("Failed to retrieve profile key credential, ignoring: {}", e.getMessage());
 631             return null;
 632         }
 633
 634         profileKeyCredential = profileAndCredential.getProfileKeyCredential().orNull();
 635         account.getProfileStore().storeProfileKeyCredential(recipientId, profileKeyCredential);
 636
 637         var profileKey = account.getProfileStore().getProfileKey(recipientId);
 638         if (profileKey != null) {
 639             final var profile = decryptProfileAndDownloadAvatar(recipientId,
 640                     profileKey,
 641                     profileAndCredential.getProfile());
 642             account.getProfileStore().storeProfile(recipientId, profile);
 643         }
 644
 645         return profileKeyCredential;
 646     }
 647
 648     private Profile decryptProfileAndDownloadAvatar(
 649             final RecipientId recipientId, final ProfileKey profileKey, final SignalServiceProfile encryptedProfile
 650     ) {
 651         if (encryptedProfile.getAvatar() != null) {
 652             downloadProfileAvatar(resolveSignalServiceAddress(recipientId), encryptedProfile.getAvatar(), profileKey);
 653         }
 654
 655         return ProfileUtils.decryptProfile(profileKey, encryptedProfile);
 656     }
 657
 658     private Optional<SignalServiceAttachmentStream> createGroupAvatarAttachment(GroupId groupId) throws IOException {
 659         final var streamDetails = avatarStore.retrieveGroupAvatar(groupId);
 660         if (streamDetails == null) {
 661             return Optional.absent();
 662         }
 663
 664         return Optional.of(AttachmentUtils.createAttachment(streamDetails, Optional.absent()));
 665     }
 666
 667     private Optional<SignalServiceAttachmentStream> createContactAvatarAttachment(SignalServiceAddress address) throws IOException {
 668         final var streamDetails = avatarStore.retrieveContactAvatar(address);
 669         if (streamDetails == null) {
 670             return Optional.absent();
 671         }
 672
 673         return Optional.of(AttachmentUtils.createAttachment(streamDetails, Optional.absent()));
 674     }
 675
 676     private GroupInfo getGroupForUpdating(GroupId groupId) throws GroupNotFoundException, NotAGroupMemberException {
 677         var g = getGroup(groupId);
 678         if (g == null) {
 679             throw new GroupNotFoundException(groupId);
 680         }
 681         if (!g.isMember(account.getSelfRecipientId()) && !g.isPendingMember(account.getSelfRecipientId())) {
 682             throw new NotAGroupMemberException(groupId, g.getTitle());
 683         }
 684         return g;
 685     }
 686
 687     public List<GroupInfo> getGroups() {
 688         return account.getGroupStore().getGroups();
 689     }
 690
 691     public Pair<Long, List<SendMessageResult>> sendGroupMessage(
 692             String messageText, List<String> attachments, GroupId groupId
 693     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
 694         final var messageBuilder = createMessageBuilder().withBody(messageText);
 695         if (attachments != null) {
 696             messageBuilder.withAttachments(AttachmentUtils.getSignalServiceAttachments(attachments));
 697         }
 698
 699         return sendHelper.sendAsGroupMessage(messageBuilder, groupId);
 700     }
 701
 702     public Pair<Long, List<SendMessageResult>> sendGroupMessageReaction(
 703             String emoji, boolean remove, String targetAuthor, long targetSentTimestamp, GroupId groupId
 704     ) throws IOException, InvalidNumberException, NotAGroupMemberException, GroupNotFoundException {
 705         var targetAuthorRecipientId = canonicalizeAndResolveRecipient(targetAuthor);
 706         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 707                 remove,
 708                 resolveSignalServiceAddress(targetAuthorRecipientId),
 709                 targetSentTimestamp);
 710         final var messageBuilder = createMessageBuilder().withReaction(reaction);
 711
 712         return sendHelper.sendAsGroupMessage(messageBuilder, groupId);
 713     }
 714
 715     public Pair<Long, List<SendMessageResult>> sendQuitGroupMessage(
 716             GroupId groupId, Set<String> groupAdmins
 717     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, InvalidNumberException, LastGroupAdminException {
 718         var group = getGroupForUpdating(groupId);
 719         if (group instanceof GroupInfoV1) {
 720             return quitGroupV1((GroupInfoV1) group);
 721         }
 722
 723         final var newAdmins = getRecipientIds(groupAdmins);
 724         try {
 725             return quitGroupV2((GroupInfoV2) group, newAdmins);
 726         } catch (ConflictException e) {
 727             // Detected conflicting update, refreshing group and trying again
 728             group = getGroup(groupId, true);
 729             return quitGroupV2((GroupInfoV2) group, newAdmins);
 730         }
 731     }
 732
 733     private Pair<Long, List<SendMessageResult>> quitGroupV1(final GroupInfoV1 groupInfoV1) throws IOException {
 734         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT)
 735                 .withId(groupInfoV1.getGroupId().serialize())
 736                 .build();
 737
 738         var messageBuilder = createMessageBuilder().asGroupMessage(group);
 739         groupInfoV1.removeMember(account.getSelfRecipientId());
 740         account.getGroupStore().updateGroup(groupInfoV1);
 741         return sendHelper.sendGroupMessage(messageBuilder.build(),
 742                 groupInfoV1.getMembersIncludingPendingWithout(account.getSelfRecipientId()));
 743     }
 744
 745     private Pair<Long, List<SendMessageResult>> quitGroupV2(
 746             final GroupInfoV2 groupInfoV2, final Set<RecipientId> newAdmins
 747     ) throws LastGroupAdminException, IOException {
 748         final var currentAdmins = groupInfoV2.getAdminMembers();
 749         newAdmins.removeAll(currentAdmins);
 750         newAdmins.retainAll(groupInfoV2.getMembers());
 751         if (currentAdmins.contains(getSelfRecipientId())
 752                 && currentAdmins.size() == 1
 753                 && groupInfoV2.getMembers().size() > 1
 754                 && newAdmins.size() == 0) {
 755             // Last admin can't leave the group, unless she's also the last member
 756             throw new LastGroupAdminException(groupInfoV2.getGroupId(), groupInfoV2.getTitle());
 757         }
 758         final var groupGroupChangePair = groupV2Helper.leaveGroup(groupInfoV2, newAdmins);
 759         groupInfoV2.setGroup(groupGroupChangePair.first(), this::resolveRecipient);
 760         var messageBuilder = getGroupUpdateMessageBuilder(groupInfoV2, groupGroupChangePair.second().toByteArray());
 761         account.getGroupStore().updateGroup(groupInfoV2);
 762         return sendHelper.sendGroupMessage(messageBuilder.build(),
 763                 groupInfoV2.getMembersIncludingPendingWithout(account.getSelfRecipientId()));
 764     }
 765
 766     public void deleteGroup(GroupId groupId) throws IOException {
 767         account.getGroupStore().deleteGroup(groupId);
 768         avatarStore.deleteGroupAvatar(groupId);
 769     }
 770
 771     public Pair<GroupId, List<SendMessageResult>> createGroup(
 772             String name, List<String> members, File avatarFile
 773     ) throws IOException, AttachmentInvalidException, InvalidNumberException {
 774         return createGroup(name, members == null ? null : getRecipientIds(members), avatarFile);
 775     }
 776
 777     private Pair<GroupId, List<SendMessageResult>> createGroup(
 778             String name, Set<RecipientId> members, File avatarFile
 779     ) throws IOException, AttachmentInvalidException {
 780         final var selfRecipientId = account.getSelfRecipientId();
 781         if (members != null && members.contains(selfRecipientId)) {
 782             members = new HashSet<>(members);
 783             members.remove(selfRecipientId);
 784         }
 785
 786         var gv2Pair = groupV2Helper.createGroup(name == null ? "" : name,
 787                 members == null ? Set.of() : members,
 788                 avatarFile);
 789
 790         SignalServiceDataMessage.Builder messageBuilder;
 791         if (gv2Pair == null) {
 792             // Failed to create v2 group, creating v1 group instead
 793             var gv1 = new GroupInfoV1(GroupIdV1.createRandom());
 794             gv1.addMembers(List.of(selfRecipientId));
 795             final var result = updateGroupV1(gv1, name, members, avatarFile);
 796             return new Pair<>(gv1.getGroupId(), result.second());
 797         }
 798
 799         final var gv2 = gv2Pair.first();
 800         final var decryptedGroup = gv2Pair.second();
 801
 802         gv2.setGroup(decryptedGroup, this::resolveRecipient);
 803         if (avatarFile != null) {
 804             avatarStore.storeGroupAvatar(gv2.getGroupId(),
 805                     outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
 806         }
 807         messageBuilder = getGroupUpdateMessageBuilder(gv2, null);
 808         account.getGroupStore().updateGroup(gv2);
 809
 810         final var result = sendHelper.sendGroupMessage(messageBuilder.build(),
 811                 gv2.getMembersIncludingPendingWithout(selfRecipientId));
 812         return new Pair<>(gv2.getGroupId(), result.second());
 813     }
 814
 815     public Pair<Long, List<SendMessageResult>> updateGroup(
 816             GroupId groupId,
 817             String name,
 818             String description,
 819             List<String> members,
 820             List<String> removeMembers,
 821             List<String> admins,
 822             List<String> removeAdmins,
 823             boolean resetGroupLink,
 824             GroupLinkState groupLinkState,
 825             GroupPermission addMemberPermission,
 826             GroupPermission editDetailsPermission,
 827             File avatarFile,
 828             Integer expirationTimer,
 829             Boolean isAnnouncementGroup
 830     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, InvalidNumberException, NotAGroupMemberException {
 831         return updateGroup(groupId,
 832                 name,
 833                 description,
 834                 members == null ? null : getRecipientIds(members),
 835                 removeMembers == null ? null : getRecipientIds(removeMembers),
 836                 admins == null ? null : getRecipientIds(admins),
 837                 removeAdmins == null ? null : getRecipientIds(removeAdmins),
 838                 resetGroupLink,
 839                 groupLinkState,
 840                 addMemberPermission,
 841                 editDetailsPermission,
 842                 avatarFile,
 843                 expirationTimer,
 844                 isAnnouncementGroup);
 845     }
 846
 847     private Pair<Long, List<SendMessageResult>> updateGroup(
 848             final GroupId groupId,
 849             final String name,
 850             final String description,
 851             final Set<RecipientId> members,
 852             final Set<RecipientId> removeMembers,
 853             final Set<RecipientId> admins,
 854             final Set<RecipientId> removeAdmins,
 855             final boolean resetGroupLink,
 856             final GroupLinkState groupLinkState,
 857             final GroupPermission addMemberPermission,
 858             final GroupPermission editDetailsPermission,
 859             final File avatarFile,
 860             final Integer expirationTimer,
 861             final Boolean isAnnouncementGroup
 862     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
 863         var group = getGroupForUpdating(groupId);
 864
 865         if (group instanceof GroupInfoV2) {
 866             try {
 867                 return updateGroupV2((GroupInfoV2) group,
 868                         name,
 869                         description,
 870                         members,
 871                         removeMembers,
 872                         admins,
 873                         removeAdmins,
 874                         resetGroupLink,
 875                         groupLinkState,
 876                         addMemberPermission,
 877                         editDetailsPermission,
 878                         avatarFile,
 879                         expirationTimer,
 880                         isAnnouncementGroup);
 881             } catch (ConflictException e) {
 882                 // Detected conflicting update, refreshing group and trying again
 883                 group = getGroup(groupId, true);
 884                 return updateGroupV2((GroupInfoV2) group,
 885                         name,
 886                         description,
 887                         members,
 888                         removeMembers,
 889                         admins,
 890                         removeAdmins,
 891                         resetGroupLink,
 892                         groupLinkState,
 893                         addMemberPermission,
 894                         editDetailsPermission,
 895                         avatarFile,
 896                         expirationTimer,
 897                         isAnnouncementGroup);
 898             }
 899         }
 900
 901         final var gv1 = (GroupInfoV1) group;
 902         final var result = updateGroupV1(gv1, name, members, avatarFile);
 903         if (expirationTimer != null) {
 904             setExpirationTimer(gv1, expirationTimer);
 905         }
 906         return result;
 907     }
 908
 909     private Pair<Long, List<SendMessageResult>> updateGroupV1(
 910             final GroupInfoV1 gv1, final String name, final Set<RecipientId> members, final File avatarFile
 911     ) throws IOException, AttachmentInvalidException {
 912         updateGroupV1Details(gv1, name, members, avatarFile);
 913         var messageBuilder = getGroupUpdateMessageBuilder(gv1);
 914
 915         account.getGroupStore().updateGroup(gv1);
 916
 917         return sendHelper.sendGroupMessage(messageBuilder.build(),
 918                 gv1.getMembersIncludingPendingWithout(account.getSelfRecipientId()));
 919     }
 920
 921     private void updateGroupV1Details(
 922             final GroupInfoV1 g, final String name, final Collection<RecipientId> members, final File avatarFile
 923     ) throws IOException {
 924         if (name != null) {
 925             g.name = name;
 926         }
 927
 928         if (members != null) {
 929             final var newMemberAddresses = members.stream()
 930                     .filter(member -> !g.isMember(member))
 931                     .map(this::resolveSignalServiceAddress)
 932                     .collect(Collectors.toList());
 933             final var newE164Members = new HashSet<String>();
 934             for (var member : newMemberAddresses) {
 935                 if (!member.getNumber().isPresent()) {
 936                     continue;
 937                 }
 938                 newE164Members.add(member.getNumber().get());
 939             }
 940
 941             final var registeredUsers = getRegisteredUsers(newE164Members);
 942             if (registeredUsers.size() != newE164Members.size()) {
 943                 // Some of the new members are not registered on Signal
 944                 newE164Members.removeAll(registeredUsers.keySet());
 945                 throw new IOException("Failed to add members "
 946                         + String.join(", ", newE164Members)
 947                         + " to group: Not registered on Signal");
 948             }
 949
 950             g.addMembers(members);
 951         }
 952
 953         if (avatarFile != null) {
 954             avatarStore.storeGroupAvatar(g.getGroupId(),
 955                     outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
 956         }
 957     }
 958
 959     private Pair<Long, List<SendMessageResult>> updateGroupV2(
 960             final GroupInfoV2 group,
 961             final String name,
 962             final String description,
 963             final Set<RecipientId> members,
 964             final Set<RecipientId> removeMembers,
 965             final Set<RecipientId> admins,
 966             final Set<RecipientId> removeAdmins,
 967             final boolean resetGroupLink,
 968             final GroupLinkState groupLinkState,
 969             final GroupPermission addMemberPermission,
 970             final GroupPermission editDetailsPermission,
 971             final File avatarFile,
 972             final Integer expirationTimer,
 973             final Boolean isAnnouncementGroup
 974     ) throws IOException {
 975         Pair<Long, List<SendMessageResult>> result = null;
 976         if (group.isPendingMember(account.getSelfRecipientId())) {
 977             var groupGroupChangePair = groupV2Helper.acceptInvite(group);
 978             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 979         }
 980
 981         if (members != null) {
 982             final var newMembers = new HashSet<>(members);
 983             newMembers.removeAll(group.getMembers());
 984             if (newMembers.size() > 0) {
 985                 var groupGroupChangePair = groupV2Helper.addMembers(group, newMembers);
 986                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 987             }
 988         }
 989
 990         if (removeMembers != null) {
 991             var existingRemoveMembers = new HashSet<>(removeMembers);
 992             existingRemoveMembers.retainAll(group.getMembers());
 993             existingRemoveMembers.remove(getSelfRecipientId());// self can be removed with sendQuitGroupMessage
 994             if (existingRemoveMembers.size() > 0) {
 995                 var groupGroupChangePair = groupV2Helper.removeMembers(group, existingRemoveMembers);
 996                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 997             }
 998
 999             var pendingRemoveMembers = new HashSet<>(removeMembers);
1000             pendingRemoveMembers.retainAll(group.getPendingMembers());
1001             if (pendingRemoveMembers.size() > 0) {
1002                 var groupGroupChangePair = groupV2Helper.revokeInvitedMembers(group, pendingRemoveMembers);
1003                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1004             }
1005         }
1006
1007         if (admins != null) {
1008             final var newAdmins = new HashSet<>(admins);
1009             newAdmins.retainAll(group.getMembers());
1010             newAdmins.removeAll(group.getAdminMembers());
1011             if (newAdmins.size() > 0) {
1012                 for (var admin : newAdmins) {
1013                     var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, true);
1014                     result = sendUpdateGroupV2Message(group,
1015                             groupGroupChangePair.first(),
1016                             groupGroupChangePair.second());
1017                 }
1018             }
1019         }
1020
1021         if (removeAdmins != null) {
1022             final var existingRemoveAdmins = new HashSet<>(removeAdmins);
1023             existingRemoveAdmins.retainAll(group.getAdminMembers());
1024             if (existingRemoveAdmins.size() > 0) {
1025                 for (var admin : existingRemoveAdmins) {
1026                     var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, false);
1027                     result = sendUpdateGroupV2Message(group,
1028                             groupGroupChangePair.first(),
1029                             groupGroupChangePair.second());
1030                 }
1031             }
1032         }
1033
1034         if (resetGroupLink) {
1035             var groupGroupChangePair = groupV2Helper.resetGroupLinkPassword(group);
1036             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1037         }
1038
1039         if (groupLinkState != null) {
1040             var groupGroupChangePair = groupV2Helper.setGroupLinkState(group, groupLinkState);
1041             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1042         }
1043
1044         if (addMemberPermission != null) {
1045             var groupGroupChangePair = groupV2Helper.setAddMemberPermission(group, addMemberPermission);
1046             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1047         }
1048
1049         if (editDetailsPermission != null) {
1050             var groupGroupChangePair = groupV2Helper.setEditDetailsPermission(group, editDetailsPermission);
1051             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1052         }
1053
1054         if (expirationTimer != null) {
1055             var groupGroupChangePair = groupV2Helper.setMessageExpirationTimer(group, expirationTimer);
1056             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1057         }
1058
1059         if (isAnnouncementGroup != null) {
1060             var groupGroupChangePair = groupV2Helper.setIsAnnouncementGroup(group, isAnnouncementGroup);
1061             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1062         }
1063
1064         if (name != null || description != null || avatarFile != null) {
1065             var groupGroupChangePair = groupV2Helper.updateGroup(group, name, description, avatarFile);
1066             if (avatarFile != null) {
1067                 avatarStore.storeGroupAvatar(group.getGroupId(),
1068                         outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
1069             }
1070             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1071         }
1072
1073         return result;
1074     }
1075
1076     public Pair<GroupId, List<SendMessageResult>> joinGroup(
1077             GroupInviteLinkUrl inviteLinkUrl
1078     ) throws IOException, GroupLinkNotActiveException {
1079         final var groupJoinInfo = groupV2Helper.getDecryptedGroupJoinInfo(inviteLinkUrl.getGroupMasterKey(),
1080                 inviteLinkUrl.getPassword());
1081         final var groupChange = groupV2Helper.joinGroup(inviteLinkUrl.getGroupMasterKey(),
1082                 inviteLinkUrl.getPassword(),
1083                 groupJoinInfo);
1084         final var group = getOrMigrateGroup(inviteLinkUrl.getGroupMasterKey(),
1085                 groupJoinInfo.getRevision() + 1,
1086                 groupChange.toByteArray());
1087
1088         if (group.getGroup() == null) {
1089             // Only requested member, can't send update to group members
1090             return new Pair<>(group.getGroupId(), List.of());
1091         }
1092
1093         final var result = sendUpdateGroupV2Message(group, group.getGroup(), groupChange);
1094
1095         return new Pair<>(group.getGroupId(), result.second());
1096     }
1097
1098     private Pair<Long, List<SendMessageResult>> sendUpdateGroupV2Message(
1099             GroupInfoV2 group, DecryptedGroup newDecryptedGroup, GroupChange groupChange
1100     ) throws IOException {
1101         final var selfRecipientId = account.getSelfRecipientId();
1102         final var members = group.getMembersIncludingPendingWithout(selfRecipientId);
1103         group.setGroup(newDecryptedGroup, this::resolveRecipient);
1104         members.addAll(group.getMembersIncludingPendingWithout(selfRecipientId));
1105
1106         final var messageBuilder = getGroupUpdateMessageBuilder(group, groupChange.toByteArray());
1107         account.getGroupStore().updateGroup(group);
1108         return sendHelper.sendGroupMessage(messageBuilder.build(), members);
1109     }
1110
1111     private static int currentTimeDays() {
1112         return (int) TimeUnit.MILLISECONDS.toDays(System.currentTimeMillis());
1113     }
1114
1115     private GroupsV2AuthorizationString getGroupAuthForToday(
1116             final GroupSecretParams groupSecretParams
1117     ) throws IOException {
1118         final var today = currentTimeDays();
1119         // Returns credentials for the next 7 days
1120         final var credentials = dependencies.getGroupsV2Api().getCredentials(today);
1121         // TODO cache credentials until they expire
1122         var authCredentialResponse = credentials.get(today);
1123         try {
1124             return dependencies.getGroupsV2Api()
1125                     .getGroupsV2AuthorizationString(account.getUuid(),
1126                             today,
1127                             groupSecretParams,
1128                             authCredentialResponse);
1129         } catch (VerificationFailedException e) {
1130             throw new IOException(e);
1131         }
1132     }
1133
1134     Pair<Long, List<SendMessageResult>> sendGroupInfoMessage(
1135             GroupIdV1 groupId, SignalServiceAddress recipient
1136     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, AttachmentInvalidException {
1137         GroupInfoV1 g;
1138         var group = getGroupForUpdating(groupId);
1139         if (!(group instanceof GroupInfoV1)) {
1140             throw new IOException("Received an invalid group request for a v2 group!");
1141         }
1142         g = (GroupInfoV1) group;
1143
1144         final var recipientId = resolveRecipient(recipient);
1145         if (!g.isMember(recipientId)) {
1146             throw new NotAGroupMemberException(groupId, g.name);
1147         }
1148
1149         var messageBuilder = getGroupUpdateMessageBuilder(g);
1150
1151         // Send group message only to the recipient who requested it
1152         return sendHelper.sendGroupMessage(messageBuilder.build(), Set.of(recipientId));
1153     }
1154
1155     private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfoV1 g) throws AttachmentInvalidException {
1156         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.UPDATE)
1157                 .withId(g.getGroupId().serialize())
1158                 .withName(g.name)
1159                 .withMembers(g.getMembers()
1160                         .stream()
1161                         .map(this::resolveSignalServiceAddress)
1162                         .collect(Collectors.toList()));
1163
1164         try {
1165             final var attachment = createGroupAvatarAttachment(g.getGroupId());
1166             if (attachment.isPresent()) {
1167                 group.withAvatar(attachment.get());
1168             }
1169         } catch (IOException e) {
1170             throw new AttachmentInvalidException(g.getGroupId().toBase64(), e);
1171         }
1172
1173         return createMessageBuilder().asGroupMessage(group.build()).withExpiration(g.getMessageExpirationTime());
1174     }
1175
1176     private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfoV2 g, byte[] signedGroupChange) {
1177         var group = SignalServiceGroupV2.newBuilder(g.getMasterKey())
1178                 .withRevision(g.getGroup().getRevision())
1179                 .withSignedGroupChange(signedGroupChange);
1180         return createMessageBuilder().asGroupMessage(group.build()).withExpiration(g.getMessageExpirationTime());
1181     }
1182
1183     Pair<Long, List<SendMessageResult>> sendGroupInfoRequest(
1184             GroupIdV1 groupId, SignalServiceAddress recipient
1185     ) throws IOException {
1186         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.REQUEST_INFO).withId(groupId.serialize());
1187
1188         var messageBuilder = createMessageBuilder().asGroupMessage(group.build());
1189
1190         // Send group info request message to the recipient who sent us a message with this groupId
1191         return sendHelper.sendGroupMessage(messageBuilder.build(), Set.of(resolveRecipient(recipient)));
1192     }
1193
1194     public void sendReadReceipt(
1195             String sender, List<Long> messageIds
1196     ) throws IOException, UntrustedIdentityException, InvalidNumberException {
1197         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
1198                 messageIds,
1199                 System.currentTimeMillis());
1200
1201         sendHelper.sendReceiptMessage(receiptMessage, canonicalizeAndResolveRecipient(sender));
1202     }
1203
1204     public void sendViewedReceipt(
1205             String sender, List<Long> messageIds
1206     ) throws IOException, UntrustedIdentityException, InvalidNumberException {
1207         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
1208                 messageIds,
1209                 System.currentTimeMillis());
1210
1211         sendHelper.sendReceiptMessage(receiptMessage, canonicalizeAndResolveRecipient(sender));
1212     }
1213
1214     void sendDeliveryReceipt(
1215             SignalServiceAddress remoteAddress, List<Long> messageIds
1216     ) throws IOException, UntrustedIdentityException {
1217         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.DELIVERY,
1218                 messageIds,
1219                 System.currentTimeMillis());
1220
1221         sendHelper.sendReceiptMessage(receiptMessage, resolveRecipient(remoteAddress));
1222     }
1223
1224     public Pair<Long, List<SendMessageResult>> sendMessage(
1225             String messageText, List<String> attachments, List<String> recipients
1226     ) throws IOException, AttachmentInvalidException, InvalidNumberException {
1227         final var messageBuilder = createMessageBuilder().withBody(messageText);
1228         if (attachments != null) {
1229             var attachmentStreams = AttachmentUtils.getSignalServiceAttachments(attachments);
1230
1231             // Upload attachments here, so we only upload once even for multiple recipients
1232             var messageSender = dependencies.getMessageSender();
1233             var attachmentPointers = new ArrayList<SignalServiceAttachment>(attachmentStreams.size());
1234             for (var attachment : attachmentStreams) {
1235                 if (attachment.isStream()) {
1236                     attachmentPointers.add(messageSender.uploadAttachment(attachment.asStream()));
1237                 } else if (attachment.isPointer()) {
1238                     attachmentPointers.add(attachment.asPointer());
1239                 }
1240             }
1241
1242             messageBuilder.withAttachments(attachmentPointers);
1243         }
1244         return sendHelper.sendMessage(messageBuilder, getRecipientIds(recipients));
1245     }
1246
1247     public Pair<Long, SendMessageResult> sendSelfMessage(
1248             String messageText, List<String> attachments
1249     ) throws IOException, AttachmentInvalidException {
1250         final var messageBuilder = createMessageBuilder().withBody(messageText);
1251         if (attachments != null) {
1252             messageBuilder.withAttachments(AttachmentUtils.getSignalServiceAttachments(attachments));
1253         }
1254         return sendHelper.sendSelfMessage(messageBuilder);
1255     }
1256
1257     public Pair<Long, List<SendMessageResult>> sendRemoteDeleteMessage(
1258             long targetSentTimestamp, List<String> recipients
1259     ) throws IOException, InvalidNumberException {
1260         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
1261         final var messageBuilder = createMessageBuilder().withRemoteDelete(delete);
1262         return sendHelper.sendMessage(messageBuilder, getRecipientIds(recipients));
1263     }
1264
1265     public Pair<Long, List<SendMessageResult>> sendGroupRemoteDeleteMessage(
1266             long targetSentTimestamp, GroupId groupId
1267     ) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1268         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
1269         final var messageBuilder = createMessageBuilder().withRemoteDelete(delete);
1270         return sendHelper.sendAsGroupMessage(messageBuilder, groupId);
1271     }
1272
1273     public Pair<Long, List<SendMessageResult>> sendMessageReaction(
1274             String emoji, boolean remove, String targetAuthor, long targetSentTimestamp, List<String> recipients
1275     ) throws IOException, InvalidNumberException {
1276         var targetAuthorRecipientId = canonicalizeAndResolveRecipient(targetAuthor);
1277         var reaction = new SignalServiceDataMessage.Reaction(emoji,
1278                 remove,
1279                 resolveSignalServiceAddress(targetAuthorRecipientId),
1280                 targetSentTimestamp);
1281         final var messageBuilder = createMessageBuilder().withReaction(reaction);
1282         return sendHelper.sendMessage(messageBuilder, getRecipientIds(recipients));
1283     }
1284
1285     public Pair<Long, List<SendMessageResult>> sendEndSessionMessage(List<String> recipients) throws IOException, InvalidNumberException {
1286         var messageBuilder = createMessageBuilder().asEndSessionMessage();
1287
1288         final var recipientIds = getRecipientIds(recipients);
1289         try {
1290             return sendHelper.sendMessage(messageBuilder, recipientIds);
1291         } finally {
1292             for (var recipientId : recipientIds) {
1293                 handleEndSession(recipientId);
1294             }
1295         }
1296     }
1297
1298     void renewSession(RecipientId recipientId) throws IOException {
1299         account.getSessionStore().archiveSessions(recipientId);
1300         if (!recipientId.equals(getSelfRecipientId())) {
1301             sendHelper.sendNullMessage(recipientId);
1302         }
1303     }
1304
1305     public void setContactName(String number, String name) throws InvalidNumberException, NotMasterDeviceException {
1306         if (!account.isMasterDevice()) {
1307             throw new NotMasterDeviceException();
1308         }
1309         final var recipientId = canonicalizeAndResolveRecipient(number);
1310         var contact = account.getContactStore().getContact(recipientId);
1311         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1312         account.getContactStore().storeContact(recipientId, builder.withName(name).build());
1313     }
1314
1315     public void setContactBlocked(
1316             String number, boolean blocked
1317     ) throws InvalidNumberException, NotMasterDeviceException {
1318         if (!account.isMasterDevice()) {
1319             throw new NotMasterDeviceException();
1320         }
1321         setContactBlocked(canonicalizeAndResolveRecipient(number), blocked);
1322     }
1323
1324     private void setContactBlocked(RecipientId recipientId, boolean blocked) {
1325         var contact = account.getContactStore().getContact(recipientId);
1326         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1327         account.getContactStore().storeContact(recipientId, builder.withBlocked(blocked).build());
1328     }
1329
1330     public void setGroupBlocked(final GroupId groupId, final boolean blocked) throws GroupNotFoundException {
1331         var group = getGroup(groupId);
1332         if (group == null) {
1333             throw new GroupNotFoundException(groupId);
1334         }
1335
1336         group.setBlocked(blocked);
1337         account.getGroupStore().updateGroup(group);
1338     }
1339
1340     private void setExpirationTimer(RecipientId recipientId, int messageExpirationTimer) {
1341         var contact = account.getContactStore().getContact(recipientId);
1342         if (contact != null && contact.getMessageExpirationTime() == messageExpirationTimer) {
1343             return;
1344         }
1345         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1346         account.getContactStore()
1347                 .storeContact(recipientId, builder.withMessageExpirationTime(messageExpirationTimer).build());
1348     }
1349
1350     private void sendExpirationTimerUpdate(RecipientId recipientId) throws IOException {
1351         final var messageBuilder = createMessageBuilder().asExpirationUpdate();
1352         sendHelper.sendMessage(messageBuilder, Set.of(recipientId));
1353     }
1354
1355     /**
1356      * Change the expiration timer for a contact
1357      */
1358     public void setExpirationTimer(
1359             String number, int messageExpirationTimer
1360     ) throws IOException, InvalidNumberException {
1361         var recipientId = canonicalizeAndResolveRecipient(number);
1362         setExpirationTimer(recipientId, messageExpirationTimer);
1363         sendExpirationTimerUpdate(recipientId);
1364     }
1365
1366     /**
1367      * Change the expiration timer for a group
1368      */
1369     private void setExpirationTimer(
1370             GroupInfoV1 groupInfoV1, int messageExpirationTimer
1371     ) throws NotAGroupMemberException, GroupNotFoundException, IOException {
1372         groupInfoV1.messageExpirationTime = messageExpirationTimer;
1373         account.getGroupStore().updateGroup(groupInfoV1);
1374         sendExpirationTimerUpdate(groupInfoV1.getGroupId());
1375     }
1376
1377     private void sendExpirationTimerUpdate(GroupIdV1 groupId) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1378         final var messageBuilder = createMessageBuilder().asExpirationUpdate();
1379         sendHelper.sendAsGroupMessage(messageBuilder, groupId);
1380     }
1381
1382     /**
1383      * Upload the sticker pack from path.
1384      *
1385      * @param path Path can be a path to a manifest.json file or to a zip file that contains a manifest.json file
1386      * @return if successful, returns the URL to install the sticker pack in the signal app
1387      */
1388     public String uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
1389         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
1390
1391         var messageSender = dependencies.getMessageSender();
1392
1393         var packKey = KeyUtils.createStickerUploadKey();
1394         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
1395         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
1396
1397         var sticker = new Sticker(packId, packKey);
1398         account.getStickerStore().updateSticker(sticker);
1399
1400         try {
1401             return new URI("https",
1402                     "signal.art",
1403                     "/addstickers/",
1404                     "pack_id="
1405                             + URLEncoder.encode(Hex.toStringCondensed(packId.serialize()), StandardCharsets.UTF_8)
1406                             + "&pack_key="
1407                             + URLEncoder.encode(Hex.toStringCondensed(packKey), StandardCharsets.UTF_8)).toString();
1408         } catch (URISyntaxException e) {
1409             throw new AssertionError(e);
1410         }
1411     }
1412
1413     public void requestAllSyncData() throws IOException {
1414         requestSyncGroups();
1415         requestSyncContacts();
1416         requestSyncBlocked();
1417         requestSyncConfiguration();
1418         requestSyncKeys();
1419     }
1420
1421     private void requestSyncGroups() throws IOException {
1422         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1423                 .setType(SignalServiceProtos.SyncMessage.Request.Type.GROUPS)
1424                 .build();
1425         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1426         sendHelper.sendSyncMessage(message);
1427     }
1428
1429     private void requestSyncContacts() throws IOException {
1430         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1431                 .setType(SignalServiceProtos.SyncMessage.Request.Type.CONTACTS)
1432                 .build();
1433         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1434         sendHelper.sendSyncMessage(message);
1435     }
1436
1437     private void requestSyncBlocked() throws IOException {
1438         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1439                 .setType(SignalServiceProtos.SyncMessage.Request.Type.BLOCKED)
1440                 .build();
1441         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1442         sendHelper.sendSyncMessage(message);
1443     }
1444
1445     private void requestSyncConfiguration() throws IOException {
1446         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1447                 .setType(SignalServiceProtos.SyncMessage.Request.Type.CONFIGURATION)
1448                 .build();
1449         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1450         sendHelper.sendSyncMessage(message);
1451     }
1452
1453     private void requestSyncKeys() throws IOException {
1454         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1455                 .setType(SignalServiceProtos.SyncMessage.Request.Type.KEYS)
1456                 .build();
1457         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1458         sendHelper.sendSyncMessage(message);
1459     }
1460
1461     private byte[] getSenderCertificate() {
1462         byte[] certificate;
1463         try {
1464             if (account.isPhoneNumberShared()) {
1465                 certificate = dependencies.getAccountManager().getSenderCertificate();
1466             } else {
1467                 certificate = dependencies.getAccountManager().getSenderCertificateForPhoneNumberPrivacy();
1468             }
1469         } catch (IOException e) {
1470             logger.warn("Failed to get sender certificate, ignoring: {}", e.getMessage());
1471             return null;
1472         }
1473         // TODO cache for a day
1474         return certificate;
1475     }
1476
1477     private Set<RecipientId> getRecipientIds(Collection<String> numbers) throws InvalidNumberException {
1478         final var signalServiceAddresses = new HashSet<SignalServiceAddress>(numbers.size());
1479         final var addressesMissingUuid = new HashSet<SignalServiceAddress>();
1480
1481         for (var number : numbers) {
1482             final var resolvedAddress = resolveSignalServiceAddress(canonicalizeAndResolveRecipient(number));
1483             if (resolvedAddress.getUuid().isPresent()) {
1484                 signalServiceAddresses.add(resolvedAddress);
1485             } else {
1486                 addressesMissingUuid.add(resolvedAddress);
1487             }
1488         }
1489
1490         final var numbersMissingUuid = addressesMissingUuid.stream()
1491                 .map(a -> a.getNumber().get())
1492                 .collect(Collectors.toSet());
1493         Map<String, UUID> registeredUsers;
1494         try {
1495             registeredUsers = getRegisteredUsers(numbersMissingUuid);
1496         } catch (IOException e) {
1497             logger.warn("Failed to resolve uuids from server, ignoring: {}", e.getMessage());
1498             registeredUsers = Map.of();
1499         }
1500
1501         for (var address : addressesMissingUuid) {
1502             final var number = address.getNumber().get();
1503             if (registeredUsers.containsKey(number)) {
1504                 final var newAddress = resolveSignalServiceAddress(resolveRecipientTrusted(new SignalServiceAddress(
1505                         registeredUsers.get(number),
1506                         number)));
1507                 signalServiceAddresses.add(newAddress);
1508             } else {
1509                 signalServiceAddresses.add(address);
1510             }
1511         }
1512
1513         return signalServiceAddresses.stream().map(this::resolveRecipient).collect(Collectors.toSet());
1514     }
1515
1516     private RecipientId refreshRegisteredUser(RecipientId recipientId) throws IOException {
1517         final var address = resolveSignalServiceAddress(recipientId);
1518         if (!address.getNumber().isPresent()) {
1519             return recipientId;
1520         }
1521         final var number = address.getNumber().get();
1522         final var uuidMap = getRegisteredUsers(Set.of(number));
1523         return resolveRecipientTrusted(new SignalServiceAddress(uuidMap.getOrDefault(number, null), number));
1524     }
1525
1526     private Map<String, UUID> getRegisteredUsers(final Set<String> numbers) throws IOException {
1527         try {
1528             return dependencies.getAccountManager()
1529                     .getRegisteredUsers(ServiceConfig.getIasKeyStore(),
1530                             numbers,
1531                             serviceEnvironmentConfig.getCdsMrenclave());
1532         } catch (Quote.InvalidQuoteFormatException | UnauthenticatedQuoteException | SignatureException | UnauthenticatedResponseException | InvalidKeyException e) {
1533             throw new IOException(e);
1534         }
1535     }
1536
1537     public void sendTypingMessage(
1538             TypingAction action, Set<String> recipients
1539     ) throws IOException, UntrustedIdentityException, InvalidNumberException {
1540         final var timestamp = System.currentTimeMillis();
1541         var message = new SignalServiceTypingMessage(action.toSignalService(), timestamp, Optional.absent());
1542         sendHelper.sendTypingMessage(message, getRecipientIds(recipients));
1543     }
1544
1545     public void sendGroupTypingMessage(
1546             TypingAction action, GroupId groupId
1547     ) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1548         final var timestamp = System.currentTimeMillis();
1549         final var message = new SignalServiceTypingMessage(action.toSignalService(),
1550                 timestamp,
1551                 Optional.of(groupId.serialize()));
1552         sendHelper.sendGroupTypingMessage(message, groupId);
1553     }
1554
1555     private SignalServiceDataMessage.Builder createMessageBuilder() {
1556         final var timestamp = System.currentTimeMillis();
1557
1558         var messageBuilder = SignalServiceDataMessage.newBuilder();
1559         messageBuilder.withTimestamp(timestamp);
1560         return messageBuilder;
1561     }
1562
1563     private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) throws InvalidMetadataMessageException, ProtocolInvalidMessageException, ProtocolDuplicateMessageException, ProtocolLegacyMessageException, ProtocolInvalidKeyIdException, InvalidMetadataVersionException, ProtocolInvalidVersionException, ProtocolNoSessionException, ProtocolInvalidKeyException, SelfSendException, UnsupportedDataMessageException, ProtocolUntrustedIdentityException, InvalidMessageStructureException {
1564         return dependencies.getCipher().decrypt(envelope);
1565     }
1566
1567     private void handleEndSession(RecipientId recipientId) {
1568         account.getSessionStore().deleteAllSessions(recipientId);
1569     }
1570
1571     private List<HandleAction> handleSignalServiceDataMessage(
1572             SignalServiceDataMessage message,
1573             boolean isSync,
1574             SignalServiceAddress source,
1575             SignalServiceAddress destination,
1576             boolean ignoreAttachments
1577     ) {
1578         var actions = new ArrayList<HandleAction>();
1579         if (message.getGroupContext().isPresent()) {
1580             if (message.getGroupContext().get().getGroupV1().isPresent()) {
1581                 var groupInfo = message.getGroupContext().get().getGroupV1().get();
1582                 var groupId = GroupId.v1(groupInfo.getGroupId());
1583                 var group = getGroup(groupId);
1584                 if (group == null || group instanceof GroupInfoV1) {
1585                     var groupV1 = (GroupInfoV1) group;
1586                     switch (groupInfo.getType()) {
1587                         case UPDATE: {
1588                             if (groupV1 == null) {
1589                                 groupV1 = new GroupInfoV1(groupId);
1590                             }
1591
1592                             if (groupInfo.getAvatar().isPresent()) {
1593                                 var avatar = groupInfo.getAvatar().get();
1594                                 downloadGroupAvatar(avatar, groupV1.getGroupId());
1595                             }
1596
1597                             if (groupInfo.getName().isPresent()) {
1598                                 groupV1.name = groupInfo.getName().get();
1599                             }
1600
1601                             if (groupInfo.getMembers().isPresent()) {
1602                                 groupV1.addMembers(groupInfo.getMembers()
1603                                         .get()
1604                                         .stream()
1605                                         .map(this::resolveRecipient)
1606                                         .collect(Collectors.toSet()));
1607                             }
1608
1609                             account.getGroupStore().updateGroup(groupV1);
1610                             break;
1611                         }
1612                         case DELIVER:
1613                             if (groupV1 == null && !isSync) {
1614                                 actions.add(new SendGroupInfoRequestAction(source, groupId));
1615                             }
1616                             break;
1617                         case QUIT: {
1618                             if (groupV1 != null) {
1619                                 groupV1.removeMember(resolveRecipient(source));
1620                                 account.getGroupStore().updateGroup(groupV1);
1621                             }
1622                             break;
1623                         }
1624                         case REQUEST_INFO:
1625                             if (groupV1 != null && !isSync) {
1626                                 actions.add(new SendGroupInfoAction(source, groupV1.getGroupId()));
1627                             }
1628                             break;
1629                     }
1630                 } else {
1631                     // Received a group v1 message for a v2 group
1632                 }
1633             }
1634             if (message.getGroupContext().get().getGroupV2().isPresent()) {
1635                 final var groupContext = message.getGroupContext().get().getGroupV2().get();
1636                 final var groupMasterKey = groupContext.getMasterKey();
1637
1638                 getOrMigrateGroup(groupMasterKey,
1639                         groupContext.getRevision(),
1640                         groupContext.hasSignedGroupChange() ? groupContext.getSignedGroupChange() : null);
1641             }
1642         }
1643
1644         final var conversationPartnerAddress = isSync ? destination : source;
1645         if (conversationPartnerAddress != null && message.isEndSession()) {
1646             handleEndSession(resolveRecipient(conversationPartnerAddress));
1647         }
1648         if (message.isExpirationUpdate() || message.getBody().isPresent()) {
1649             if (message.getGroupContext().isPresent()) {
1650                 if (message.getGroupContext().get().getGroupV1().isPresent()) {
1651                     var groupInfo = message.getGroupContext().get().getGroupV1().get();
1652                     var group = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(groupInfo.getGroupId()));
1653                     if (group != null) {
1654                         if (group.messageExpirationTime != message.getExpiresInSeconds()) {
1655                             group.messageExpirationTime = message.getExpiresInSeconds();
1656                             account.getGroupStore().updateGroup(group);
1657                         }
1658                     }
1659                 } else if (message.getGroupContext().get().getGroupV2().isPresent()) {
1660                     // disappearing message timer already stored in the DecryptedGroup
1661                 }
1662             } else if (conversationPartnerAddress != null) {
1663                 setExpirationTimer(resolveRecipient(conversationPartnerAddress), message.getExpiresInSeconds());
1664             }
1665         }
1666         if (!ignoreAttachments) {
1667             if (message.getAttachments().isPresent()) {
1668                 for (var attachment : message.getAttachments().get()) {
1669                     downloadAttachment(attachment);
1670                 }
1671             }
1672             if (message.getSharedContacts().isPresent()) {
1673                 for (var contact : message.getSharedContacts().get()) {
1674                     if (contact.getAvatar().isPresent()) {
1675                         downloadAttachment(contact.getAvatar().get().getAttachment());
1676                     }
1677                 }
1678             }
1679         }
1680         if (message.getProfileKey().isPresent() && message.getProfileKey().get().length == 32) {
1681             final ProfileKey profileKey;
1682             try {
1683                 profileKey = new ProfileKey(message.getProfileKey().get());
1684             } catch (InvalidInputException e) {
1685                 throw new AssertionError(e);
1686             }
1687             if (source.matches(account.getSelfAddress())) {
1688                 this.account.setProfileKey(profileKey);
1689             }
1690             this.account.getProfileStore().storeProfileKey(resolveRecipient(source), profileKey);
1691         }
1692         if (message.getPreviews().isPresent()) {
1693             final var previews = message.getPreviews().get();
1694             for (var preview : previews) {
1695                 if (preview.getImage().isPresent()) {
1696                     downloadAttachment(preview.getImage().get());
1697                 }
1698             }
1699         }
1700         if (message.getQuote().isPresent()) {
1701             final var quote = message.getQuote().get();
1702
1703             for (var quotedAttachment : quote.getAttachments()) {
1704                 final var thumbnail = quotedAttachment.getThumbnail();
1705                 if (thumbnail != null) {
1706                     downloadAttachment(thumbnail);
1707                 }
1708             }
1709         }
1710         if (message.getSticker().isPresent()) {
1711             final var messageSticker = message.getSticker().get();
1712             final var stickerPackId = StickerPackId.deserialize(messageSticker.getPackId());
1713             var sticker = account.getStickerStore().getSticker(stickerPackId);
1714             if (sticker == null) {
1715                 sticker = new Sticker(stickerPackId, messageSticker.getPackKey());
1716                 account.getStickerStore().updateSticker(sticker);
1717             }
1718             enqueueJob(new RetrieveStickerPackJob(stickerPackId, messageSticker.getPackKey()));
1719         }
1720         return actions;
1721     }
1722
1723     private GroupInfoV2 getOrMigrateGroup(
1724             final GroupMasterKey groupMasterKey, final int revision, final byte[] signedGroupChange
1725     ) {
1726         final var groupSecretParams = GroupSecretParams.deriveFromMasterKey(groupMasterKey);
1727
1728         var groupId = GroupUtils.getGroupIdV2(groupSecretParams);
1729         var groupInfo = getGroup(groupId);
1730         final GroupInfoV2 groupInfoV2;
1731         if (groupInfo instanceof GroupInfoV1) {
1732             // Received a v2 group message for a v1 group, we need to locally migrate the group
1733             account.getGroupStore().deleteGroupV1(((GroupInfoV1) groupInfo).getGroupId());
1734             groupInfoV2 = new GroupInfoV2(groupId, groupMasterKey);
1735             logger.info("Locally migrated group {} to group v2, id: {}",
1736                     groupInfo.getGroupId().toBase64(),
1737                     groupInfoV2.getGroupId().toBase64());
1738         } else if (groupInfo instanceof GroupInfoV2) {
1739             groupInfoV2 = (GroupInfoV2) groupInfo;
1740         } else {
1741             groupInfoV2 = new GroupInfoV2(groupId, groupMasterKey);
1742         }
1743
1744         if (groupInfoV2.getGroup() == null || groupInfoV2.getGroup().getRevision() < revision) {
1745             DecryptedGroup group = null;
1746             if (signedGroupChange != null
1747                     && groupInfoV2.getGroup() != null
1748                     && groupInfoV2.getGroup().getRevision() + 1 == revision) {
1749                 group = groupV2Helper.getUpdatedDecryptedGroup(groupInfoV2.getGroup(),
1750                         signedGroupChange,
1751                         groupMasterKey);
1752             }
1753             if (group == null) {
1754                 group = groupV2Helper.getDecryptedGroup(groupSecretParams);
1755             }
1756             if (group != null) {
1757                 storeProfileKeysFromMembers(group);
1758                 final var avatar = group.getAvatar();
1759                 if (avatar != null && !avatar.isEmpty()) {
1760                     downloadGroupAvatar(groupId, groupSecretParams, avatar);
1761                 }
1762             }
1763             groupInfoV2.setGroup(group, this::resolveRecipient);
1764             account.getGroupStore().updateGroup(groupInfoV2);
1765         }
1766
1767         return groupInfoV2;
1768     }
1769
1770     private void storeProfileKeysFromMembers(final DecryptedGroup group) {
1771         for (var member : group.getMembersList()) {
1772             final var uuid = UuidUtil.parseOrThrow(member.getUuid().toByteArray());
1773             final var recipientId = account.getRecipientStore().resolveRecipient(uuid);
1774             try {
1775                 account.getProfileStore()
1776                         .storeProfileKey(recipientId, new ProfileKey(member.getProfileKey().toByteArray()));
1777             } catch (InvalidInputException ignored) {
1778             }
1779         }
1780     }
1781
1782     private void retryFailedReceivedMessages(ReceiveMessageHandler handler, boolean ignoreAttachments) {
1783         Set<HandleAction> queuedActions = new HashSet<>();
1784         for (var cachedMessage : account.getMessageCache().getCachedMessages()) {
1785             var actions = retryFailedReceivedMessage(handler, ignoreAttachments, cachedMessage);
1786             if (actions != null) {
1787                 queuedActions.addAll(actions);
1788             }
1789         }
1790         for (var action : queuedActions) {
1791             try {
1792                 action.execute(this);
1793             } catch (Throwable e) {
1794                 if (e instanceof AssertionError && e.getCause() instanceof InterruptedException) {
1795                     Thread.currentThread().interrupt();
1796                 }
1797                 logger.warn("Message action failed.", e);
1798             }
1799         }
1800     }
1801
1802     private List<HandleAction> retryFailedReceivedMessage(
1803             final ReceiveMessageHandler handler, final boolean ignoreAttachments, final CachedMessage cachedMessage
1804     ) {
1805         var envelope = cachedMessage.loadEnvelope();
1806         if (envelope == null) {
1807             return null;
1808         }
1809         SignalServiceContent content = null;
1810         List<HandleAction> actions = null;
1811         if (!envelope.isReceipt()) {
1812             try {
1813                 content = decryptMessage(envelope);
1814             } catch (ProtocolUntrustedIdentityException e) {
1815                 if (!envelope.hasSource()) {
1816                     final var identifier = e.getSender();
1817                     final var recipientId = resolveRecipient(identifier);
1818                     try {
1819                         account.getMessageCache().replaceSender(cachedMessage, recipientId);
1820                     } catch (IOException ioException) {
1821                         logger.warn("Failed to move cached message to recipient folder: {}", ioException.getMessage());
1822                     }
1823                 }
1824                 return null;
1825             } catch (Exception er) {
1826                 // All other errors are not recoverable, so delete the cached message
1827                 cachedMessage.delete();
1828                 return null;
1829             }
1830             actions = handleMessage(envelope, content, ignoreAttachments);
1831         }
1832         handler.handleMessage(envelope, content, null);
1833         cachedMessage.delete();
1834         return actions;
1835     }
1836
1837     public void receiveMessages(
1838             long timeout,
1839             TimeUnit unit,
1840             boolean returnOnTimeout,
1841             boolean ignoreAttachments,
1842             ReceiveMessageHandler handler
1843     ) throws IOException, InterruptedException {
1844         retryFailedReceivedMessages(handler, ignoreAttachments);
1845
1846         Set<HandleAction> queuedActions = null;
1847
1848         final var signalWebSocket = dependencies.getSignalWebSocket();
1849         signalWebSocket.connect();
1850
1851         var hasCaughtUpWithOldMessages = false;
1852
1853         while (!Thread.interrupted()) {
1854             SignalServiceEnvelope envelope;
1855             SignalServiceContent content = null;
1856             Exception exception = null;
1857             final CachedMessage[] cachedMessage = {null};
1858             account.setLastReceiveTimestamp(System.currentTimeMillis());
1859             logger.debug("Checking for new message from server");
1860             try {
1861                 var result = signalWebSocket.readOrEmpty(unit.toMillis(timeout), envelope1 -> {
1862                     final var recipientId = envelope1.hasSource()
1863                             ? resolveRecipient(envelope1.getSourceIdentifier())
1864                             : null;
1865                     // store message on disk, before acknowledging receipt to the server
1866                     cachedMessage[0] = account.getMessageCache().cacheMessage(envelope1, recipientId);
1867                 });
1868                 logger.debug("New message received from server");
1869                 if (result.isPresent()) {
1870                     envelope = result.get();
1871                 } else {
1872                     // Received indicator that server queue is empty
1873                     hasCaughtUpWithOldMessages = true;
1874
1875                     if (queuedActions != null) {
1876                         for (var action : queuedActions) {
1877                             try {
1878                                 action.execute(this);
1879                             } catch (Throwable e) {
1880                                 if (e instanceof AssertionError && e.getCause() instanceof InterruptedException) {
1881                                     Thread.currentThread().interrupt();
1882                                 }
1883                                 logger.warn("Message action failed.", e);
1884                             }
1885                         }
1886                         queuedActions.clear();
1887                         queuedActions = null;
1888                     }
1889
1890                     // Continue to wait another timeout for new messages
1891                     continue;
1892                 }
1893             } catch (AssertionError e) {
1894                 if (e.getCause() instanceof InterruptedException) {
1895                     throw (InterruptedException) e.getCause();
1896                 } else {
1897                     throw e;
1898                 }
1899             } catch (WebSocketUnavailableException e) {
1900                 logger.debug("Pipe unexpectedly unavailable, connecting");
1901                 signalWebSocket.connect();
1902                 continue;
1903             } catch (TimeoutException e) {
1904                 if (returnOnTimeout) return;
1905                 continue;
1906             }
1907
1908             if (envelope.hasSource()) {
1909                 // Store uuid if we don't have it already
1910                 // address/uuid in envelope is sent by server
1911                 resolveRecipientTrusted(envelope.getSourceAddress());
1912             }
1913             if (!envelope.isReceipt()) {
1914                 try {
1915                     content = decryptMessage(envelope);
1916                 } catch (Exception e) {
1917                     exception = e;
1918                 }
1919                 if (!envelope.hasSource() && content != null) {
1920                     // Store uuid if we don't have it already
1921                     // address/uuid is validated by unidentified sender certificate
1922                     resolveRecipientTrusted(content.getSender());
1923                 }
1924                 var actions = handleMessage(envelope, content, ignoreAttachments);
1925                 if (exception instanceof ProtocolInvalidMessageException) {
1926                     final var sender = resolveRecipient(((ProtocolInvalidMessageException) exception).getSender());
1927                     logger.debug("Received invalid message, queuing renew session action.");
1928                     actions.add(new RenewSessionAction(sender));
1929                 }
1930                 if (hasCaughtUpWithOldMessages) {
1931                     for (var action : actions) {
1932                         try {
1933                             action.execute(this);
1934                         } catch (Throwable e) {
1935                             if (e instanceof AssertionError && e.getCause() instanceof InterruptedException) {
1936                                 Thread.currentThread().interrupt();
1937                             }
1938                             logger.warn("Message action failed.", e);
1939                         }
1940                     }
1941                 } else {
1942                     if (queuedActions == null) {
1943                         queuedActions = new HashSet<>();
1944                     }
1945                     queuedActions.addAll(actions);
1946                 }
1947             }
1948             final var notAllowedToSendToGroup = isNotAllowedToSendToGroup(envelope, content);
1949             if (isMessageBlocked(envelope, content)) {
1950                 logger.info("Ignoring a message from blocked user/group: {}", envelope.getTimestamp());
1951             } else if (notAllowedToSendToGroup) {
1952                 logger.info("Ignoring a group message from an unauthorized sender (no member or admin): {} {}",
1953                         (envelope.hasSource() ? envelope.getSourceAddress() : content.getSender()).getIdentifier(),
1954                         envelope.getTimestamp());
1955             } else {
1956                 handler.handleMessage(envelope, content, exception);
1957             }
1958             if (cachedMessage[0] != null) {
1959                 if (exception instanceof ProtocolUntrustedIdentityException) {
1960                     final var identifier = ((ProtocolUntrustedIdentityException) exception).getSender();
1961                     final var recipientId = resolveRecipient(identifier);
1962                     queuedActions.add(new RetrieveProfileAction(recipientId));
1963                     if (!envelope.hasSource()) {
1964                         try {
1965                             cachedMessage[0] = account.getMessageCache().replaceSender(cachedMessage[0], recipientId);
1966                         } catch (IOException ioException) {
1967                             logger.warn("Failed to move cached message to recipient folder: {}",
1968                                     ioException.getMessage());
1969                         }
1970                     }
1971                 } else {
1972                     cachedMessage[0].delete();
1973                 }
1974             }
1975         }
1976     }
1977
1978     private boolean isMessageBlocked(
1979             SignalServiceEnvelope envelope, SignalServiceContent content
1980     ) {
1981         SignalServiceAddress source;
1982         if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
1983             source = envelope.getSourceAddress();
1984         } else if (content != null) {
1985             source = content.getSender();
1986         } else {
1987             return false;
1988         }
1989         final var recipientId = resolveRecipient(source);
1990         if (isContactBlocked(recipientId)) {
1991             return true;
1992         }
1993
1994         if (content != null && content.getDataMessage().isPresent()) {
1995             var message = content.getDataMessage().get();
1996             if (message.getGroupContext().isPresent()) {
1997                 var groupId = GroupUtils.getGroupId(message.getGroupContext().get());
1998                 var group = getGroup(groupId);
1999                 if (group != null && group.isBlocked()) {
2000                     return true;
2001                 }
2002             }
2003         }
2004         return false;
2005     }
2006
2007     public boolean isContactBlocked(final String identifier) throws InvalidNumberException {
2008         final var recipientId = canonicalizeAndResolveRecipient(identifier);
2009         return isContactBlocked(recipientId);
2010     }
2011
2012     private boolean isContactBlocked(final RecipientId recipientId) {
2013         var sourceContact = account.getContactStore().getContact(recipientId);
2014         return sourceContact != null && sourceContact.isBlocked();
2015     }
2016
2017     private boolean isNotAllowedToSendToGroup(
2018             SignalServiceEnvelope envelope, SignalServiceContent content
2019     ) {
2020         SignalServiceAddress source;
2021         if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2022             source = envelope.getSourceAddress();
2023         } else if (content != null) {
2024             source = content.getSender();
2025         } else {
2026             return false;
2027         }
2028
2029         if (content == null || !content.getDataMessage().isPresent()) {
2030             return false;
2031         }
2032
2033         var message = content.getDataMessage().get();
2034         if (!message.getGroupContext().isPresent()) {
2035             return false;
2036         }
2037
2038         if (message.getGroupContext().get().getGroupV1().isPresent()) {
2039             var groupInfo = message.getGroupContext().get().getGroupV1().get();
2040             if (groupInfo.getType() == SignalServiceGroup.Type.QUIT) {
2041                 return false;
2042             }
2043         }
2044
2045         var groupId = GroupUtils.getGroupId(message.getGroupContext().get());
2046         var group = getGroup(groupId);
2047         if (group == null) {
2048             return false;
2049         }
2050
2051         final var recipientId = resolveRecipient(source);
2052         return !group.isMember(recipientId) || (
2053                 group.isAnnouncementGroup() && !group.isAdmin(recipientId)
2054         );
2055     }
2056
2057     private List<HandleAction> handleMessage(
2058             SignalServiceEnvelope envelope, SignalServiceContent content, boolean ignoreAttachments
2059     ) {
2060         var actions = new ArrayList<HandleAction>();
2061         if (content != null) {
2062             final SignalServiceAddress sender;
2063             if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2064                 sender = envelope.getSourceAddress();
2065             } else {
2066                 sender = content.getSender();
2067             }
2068
2069             if (content.getDataMessage().isPresent()) {
2070                 var message = content.getDataMessage().get();
2071
2072                 if (content.isNeedsReceipt()) {
2073                     actions.add(new SendReceiptAction(sender, message.getTimestamp()));
2074                 }
2075
2076                 actions.addAll(handleSignalServiceDataMessage(message,
2077                         false,
2078                         sender,
2079                         account.getSelfAddress(),
2080                         ignoreAttachments));
2081             }
2082             if (content.getSyncMessage().isPresent()) {
2083                 account.setMultiDevice(true);
2084                 var syncMessage = content.getSyncMessage().get();
2085                 if (syncMessage.getSent().isPresent()) {
2086                     var message = syncMessage.getSent().get();
2087                     final var destination = message.getDestination().orNull();
2088                     actions.addAll(handleSignalServiceDataMessage(message.getMessage(),
2089                             true,
2090                             sender,
2091                             destination,
2092                             ignoreAttachments));
2093                 }
2094                 if (syncMessage.getRequest().isPresent() && account.isMasterDevice()) {
2095                     var rm = syncMessage.getRequest().get();
2096                     if (rm.isContactsRequest()) {
2097                         actions.add(SendSyncContactsAction.create());
2098                     }
2099                     if (rm.isGroupsRequest()) {
2100                         actions.add(SendSyncGroupsAction.create());
2101                     }
2102                     if (rm.isBlockedListRequest()) {
2103                         actions.add(SendSyncBlockedListAction.create());
2104                     }
2105                     // TODO Handle rm.isConfigurationRequest(); rm.isKeysRequest();
2106                 }
2107                 if (syncMessage.getGroups().isPresent()) {
2108                     File tmpFile = null;
2109                     try {
2110                         tmpFile = IOUtils.createTempFile();
2111                         final var groupsMessage = syncMessage.getGroups().get();
2112                         try (var attachmentAsStream = retrieveAttachmentAsStream(groupsMessage.asPointer(), tmpFile)) {
2113                             var s = new DeviceGroupsInputStream(attachmentAsStream);
2114                             DeviceGroup g;
2115                             while (true) {
2116                                 try {
2117                                     g = s.read();
2118                                 } catch (IOException e) {
2119                                     logger.warn("Sync groups contained invalid group, ignoring: {}", e.getMessage());
2120                                     continue;
2121                                 }
2122                                 if (g == null) {
2123                                     break;
2124                                 }
2125                                 var syncGroup = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(g.getId()));
2126                                 if (syncGroup != null) {
2127                                     if (g.getName().isPresent()) {
2128                                         syncGroup.name = g.getName().get();
2129                                     }
2130                                     syncGroup.addMembers(g.getMembers()
2131                                             .stream()
2132                                             .map(this::resolveRecipient)
2133                                             .collect(Collectors.toSet()));
2134                                     if (!g.isActive()) {
2135                                         syncGroup.removeMember(account.getSelfRecipientId());
2136                                     } else {
2137                                         // Add ourself to the member set as it's marked as active
2138                                         syncGroup.addMembers(List.of(account.getSelfRecipientId()));
2139                                     }
2140                                     syncGroup.blocked = g.isBlocked();
2141                                     if (g.getColor().isPresent()) {
2142                                         syncGroup.color = g.getColor().get();
2143                                     }
2144
2145                                     if (g.getAvatar().isPresent()) {
2146                                         downloadGroupAvatar(g.getAvatar().get(), syncGroup.getGroupId());
2147                                     }
2148                                     syncGroup.archived = g.isArchived();
2149                                     account.getGroupStore().updateGroup(syncGroup);
2150                                 }
2151                             }
2152                         }
2153                     } catch (Exception e) {
2154                         logger.warn("Failed to handle received sync groups “{}”, ignoring: {}",
2155                                 tmpFile,
2156                                 e.getMessage());
2157                     } finally {
2158                         if (tmpFile != null) {
2159                             try {
2160                                 Files.delete(tmpFile.toPath());
2161                             } catch (IOException e) {
2162                                 logger.warn("Failed to delete received groups temp file “{}”, ignoring: {}",
2163                                         tmpFile,
2164                                         e.getMessage());
2165                             }
2166                         }
2167                     }
2168                 }
2169                 if (syncMessage.getBlockedList().isPresent()) {
2170                     final var blockedListMessage = syncMessage.getBlockedList().get();
2171                     for (var address : blockedListMessage.getAddresses()) {
2172                         setContactBlocked(resolveRecipient(address), true);
2173                     }
2174                     for (var groupId : blockedListMessage.getGroupIds()
2175                             .stream()
2176                             .map(GroupId::unknownVersion)
2177                             .collect(Collectors.toSet())) {
2178                         try {
2179                             setGroupBlocked(groupId, true);
2180                         } catch (GroupNotFoundException e) {
2181                             logger.warn("BlockedListMessage contained groupID that was not found in GroupStore: {}",
2182                                     groupId.toBase64());
2183                         }
2184                     }
2185                 }
2186                 if (syncMessage.getContacts().isPresent()) {
2187                     File tmpFile = null;
2188                     try {
2189                         tmpFile = IOUtils.createTempFile();
2190                         final var contactsMessage = syncMessage.getContacts().get();
2191                         try (var attachmentAsStream = retrieveAttachmentAsStream(contactsMessage.getContactsStream()
2192                                 .asPointer(), tmpFile)) {
2193                             var s = new DeviceContactsInputStream(attachmentAsStream);
2194                             DeviceContact c;
2195                             while (true) {
2196                                 try {
2197                                     c = s.read();
2198                                 } catch (IOException e) {
2199                                     logger.warn("Sync contacts contained invalid contact, ignoring: {}",
2200                                             e.getMessage());
2201                                     continue;
2202                                 }
2203                                 if (c == null) {
2204                                     break;
2205                                 }
2206                                 if (c.getAddress().matches(account.getSelfAddress()) && c.getProfileKey().isPresent()) {
2207                                     account.setProfileKey(c.getProfileKey().get());
2208                                 }
2209                                 final var recipientId = resolveRecipientTrusted(c.getAddress());
2210                                 var contact = account.getContactStore().getContact(recipientId);
2211                                 final var builder = contact == null
2212                                         ? Contact.newBuilder()
2213                                         : Contact.newBuilder(contact);
2214                                 if (c.getName().isPresent()) {
2215                                     builder.withName(c.getName().get());
2216                                 }
2217                                 if (c.getColor().isPresent()) {
2218                                     builder.withColor(c.getColor().get());
2219                                 }
2220                                 if (c.getProfileKey().isPresent()) {
2221                                     account.getProfileStore().storeProfileKey(recipientId, c.getProfileKey().get());
2222                                 }
2223                                 if (c.getVerified().isPresent()) {
2224                                     final var verifiedMessage = c.getVerified().get();
2225                                     account.getIdentityKeyStore()
2226                                             .setIdentityTrustLevel(resolveRecipientTrusted(verifiedMessage.getDestination()),
2227                                                     verifiedMessage.getIdentityKey(),
2228                                                     TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
2229                                 }
2230                                 if (c.getExpirationTimer().isPresent()) {
2231                                     builder.withMessageExpirationTime(c.getExpirationTimer().get());
2232                                 }
2233                                 builder.withBlocked(c.isBlocked());
2234                                 builder.withArchived(c.isArchived());
2235                                 account.getContactStore().storeContact(recipientId, builder.build());
2236
2237                                 if (c.getAvatar().isPresent()) {
2238                                     downloadContactAvatar(c.getAvatar().get(), c.getAddress());
2239                                 }
2240                             }
2241                         }
2242                     } catch (Exception e) {
2243                         logger.warn("Failed to handle received sync contacts “{}”, ignoring: {}",
2244                                 tmpFile,
2245                                 e.getMessage());
2246                     } finally {
2247                         if (tmpFile != null) {
2248                             try {
2249                                 Files.delete(tmpFile.toPath());
2250                             } catch (IOException e) {
2251                                 logger.warn("Failed to delete received contacts temp file “{}”, ignoring: {}",
2252                                         tmpFile,
2253                                         e.getMessage());
2254                             }
2255                         }
2256                     }
2257                 }
2258                 if (syncMessage.getVerified().isPresent()) {
2259                     final var verifiedMessage = syncMessage.getVerified().get();
2260                     account.getIdentityKeyStore()
2261                             .setIdentityTrustLevel(resolveRecipientTrusted(verifiedMessage.getDestination()),
2262                                     verifiedMessage.getIdentityKey(),
2263                                     TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
2264                 }
2265                 if (syncMessage.getStickerPackOperations().isPresent()) {
2266                     final var stickerPackOperationMessages = syncMessage.getStickerPackOperations().get();
2267                     for (var m : stickerPackOperationMessages) {
2268                         if (!m.getPackId().isPresent()) {
2269                             continue;
2270                         }
2271                         final var stickerPackId = StickerPackId.deserialize(m.getPackId().get());
2272                         final var installed = !m.getType().isPresent()
2273                                 || m.getType().get() == StickerPackOperationMessage.Type.INSTALL;
2274
2275                         var sticker = account.getStickerStore().getSticker(stickerPackId);
2276                         if (m.getPackKey().isPresent()) {
2277                             if (sticker == null) {
2278                                 sticker = new Sticker(stickerPackId, m.getPackKey().get());
2279                             }
2280                             if (installed) {
2281                                 enqueueJob(new RetrieveStickerPackJob(stickerPackId, m.getPackKey().get()));
2282                             }
2283                         }
2284
2285                         if (sticker != null) {
2286                             sticker.setInstalled(installed);
2287                             account.getStickerStore().updateSticker(sticker);
2288                         }
2289                     }
2290                 }
2291                 if (syncMessage.getFetchType().isPresent()) {
2292                     switch (syncMessage.getFetchType().get()) {
2293                         case LOCAL_PROFILE:
2294                             getRecipientProfile(account.getSelfRecipientId(), true);
2295                         case STORAGE_MANIFEST:
2296                             // TODO
2297                     }
2298                 }
2299                 if (syncMessage.getKeys().isPresent()) {
2300                     final var keysMessage = syncMessage.getKeys().get();
2301                     if (keysMessage.getStorageService().isPresent()) {
2302                         final var storageKey = keysMessage.getStorageService().get();
2303                         account.setStorageKey(storageKey);
2304                     }
2305                 }
2306                 if (syncMessage.getConfiguration().isPresent()) {
2307                     // TODO
2308                 }
2309             }
2310         }
2311         return actions;
2312     }
2313
2314     private void downloadContactAvatar(SignalServiceAttachment avatar, SignalServiceAddress address) {
2315         try {
2316             avatarStore.storeContactAvatar(address, outputStream -> retrieveAttachment(avatar, outputStream));
2317         } catch (IOException e) {
2318             logger.warn("Failed to download avatar for contact {}, ignoring: {}", address, e.getMessage());
2319         }
2320     }
2321
2322     private void downloadGroupAvatar(SignalServiceAttachment avatar, GroupId groupId) {
2323         try {
2324             avatarStore.storeGroupAvatar(groupId, outputStream -> retrieveAttachment(avatar, outputStream));
2325         } catch (IOException e) {
2326             logger.warn("Failed to download avatar for group {}, ignoring: {}", groupId.toBase64(), e.getMessage());
2327         }
2328     }
2329
2330     private void downloadGroupAvatar(GroupId groupId, GroupSecretParams groupSecretParams, String cdnKey) {
2331         try {
2332             avatarStore.storeGroupAvatar(groupId,
2333                     outputStream -> retrieveGroupV2Avatar(groupSecretParams, cdnKey, outputStream));
2334         } catch (IOException e) {
2335             logger.warn("Failed to download avatar for group {}, ignoring: {}", groupId.toBase64(), e.getMessage());
2336         }
2337     }
2338
2339     private void downloadProfileAvatar(
2340             SignalServiceAddress address, String avatarPath, ProfileKey profileKey
2341     ) {
2342         try {
2343             avatarStore.storeProfileAvatar(address,
2344                     outputStream -> retrieveProfileAvatar(avatarPath, profileKey, outputStream));
2345         } catch (Throwable e) {
2346             if (e instanceof AssertionError && e.getCause() instanceof InterruptedException) {
2347                 Thread.currentThread().interrupt();
2348             }
2349             logger.warn("Failed to download profile avatar, ignoring: {}", e.getMessage());
2350         }
2351     }
2352
2353     public File getAttachmentFile(SignalServiceAttachmentRemoteId attachmentId) {
2354         return attachmentStore.getAttachmentFile(attachmentId);
2355     }
2356
2357     private void downloadAttachment(final SignalServiceAttachment attachment) {
2358         if (!attachment.isPointer()) {
2359             logger.warn("Invalid state, can't store an attachment stream.");
2360         }
2361
2362         var pointer = attachment.asPointer();
2363         if (pointer.getPreview().isPresent()) {
2364             final var preview = pointer.getPreview().get();
2365             try {
2366                 attachmentStore.storeAttachmentPreview(pointer.getRemoteId(),
2367                         outputStream -> outputStream.write(preview, 0, preview.length));
2368             } catch (IOException e) {
2369                 logger.warn("Failed to download attachment preview, ignoring: {}", e.getMessage());
2370             }
2371         }
2372
2373         try {
2374             attachmentStore.storeAttachment(pointer.getRemoteId(),
2375                     outputStream -> retrieveAttachmentPointer(pointer, outputStream));
2376         } catch (IOException e) {
2377             logger.warn("Failed to download attachment ({}), ignoring: {}", pointer.getRemoteId(), e.getMessage());
2378         }
2379     }
2380
2381     private void retrieveGroupV2Avatar(
2382             GroupSecretParams groupSecretParams, String cdnKey, OutputStream outputStream
2383     ) throws IOException {
2384         var groupOperations = dependencies.getGroupsV2Operations().forGroup(groupSecretParams);
2385
2386         var tmpFile = IOUtils.createTempFile();
2387         try (InputStream input = dependencies.getMessageReceiver()
2388                 .retrieveGroupsV2ProfileAvatar(cdnKey, tmpFile, ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE)) {
2389             var encryptedData = IOUtils.readFully(input);
2390
2391             var decryptedData = groupOperations.decryptAvatar(encryptedData);
2392             outputStream.write(decryptedData);
2393         } finally {
2394             try {
2395                 Files.delete(tmpFile.toPath());
2396             } catch (IOException e) {
2397                 logger.warn("Failed to delete received group avatar temp file “{}”, ignoring: {}",
2398                         tmpFile,
2399                         e.getMessage());
2400             }
2401         }
2402     }
2403
2404     private void retrieveProfileAvatar(
2405             String avatarPath, ProfileKey profileKey, OutputStream outputStream
2406     ) throws IOException {
2407         var tmpFile = IOUtils.createTempFile();
2408         try (var input = dependencies.getMessageReceiver()
2409                 .retrieveProfileAvatar(avatarPath,
2410                         tmpFile,
2411                         profileKey,
2412                         ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE)) {
2413             // Use larger buffer size to prevent AssertionError: Need: 12272 but only have: 8192 ...
2414             IOUtils.copyStream(input, outputStream, (int) ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE);
2415         } finally {
2416             try {
2417                 Files.delete(tmpFile.toPath());
2418             } catch (IOException e) {
2419                 logger.warn("Failed to delete received profile avatar temp file “{}”, ignoring: {}",
2420                         tmpFile,
2421                         e.getMessage());
2422             }
2423         }
2424     }
2425
2426     private void retrieveAttachment(
2427             final SignalServiceAttachment attachment, final OutputStream outputStream
2428     ) throws IOException {
2429         if (attachment.isPointer()) {
2430             var pointer = attachment.asPointer();
2431             retrieveAttachmentPointer(pointer, outputStream);
2432         } else {
2433             var stream = attachment.asStream();
2434             IOUtils.copyStream(stream.getInputStream(), outputStream);
2435         }
2436     }
2437
2438     private void retrieveAttachmentPointer(
2439             SignalServiceAttachmentPointer pointer, OutputStream outputStream
2440     ) throws IOException {
2441         var tmpFile = IOUtils.createTempFile();
2442         try (var input = retrieveAttachmentAsStream(pointer, tmpFile)) {
2443             IOUtils.copyStream(input, outputStream);
2444         } catch (MissingConfigurationException | InvalidMessageException e) {
2445             throw new IOException(e);
2446         } finally {
2447             try {
2448                 Files.delete(tmpFile.toPath());
2449             } catch (IOException e) {
2450                 logger.warn("Failed to delete received attachment temp file “{}”, ignoring: {}",
2451                         tmpFile,
2452                         e.getMessage());
2453             }
2454         }
2455     }
2456
2457     private InputStream retrieveAttachmentAsStream(
2458             SignalServiceAttachmentPointer pointer, File tmpFile
2459     ) throws IOException, InvalidMessageException, MissingConfigurationException {
2460         return dependencies.getMessageReceiver()
2461                 .retrieveAttachment(pointer, tmpFile, ServiceConfig.MAX_ATTACHMENT_SIZE);
2462     }
2463
2464     void sendGroups() throws IOException {
2465         var groupsFile = IOUtils.createTempFile();
2466
2467         try {
2468             try (OutputStream fos = new FileOutputStream(groupsFile)) {
2469                 var out = new DeviceGroupsOutputStream(fos);
2470                 for (var record : getGroups()) {
2471                     if (record instanceof GroupInfoV1) {
2472                         var groupInfo = (GroupInfoV1) record;
2473                         out.write(new DeviceGroup(groupInfo.getGroupId().serialize(),
2474                                 Optional.fromNullable(groupInfo.name),
2475                                 groupInfo.getMembers()
2476                                         .stream()
2477                                         .map(this::resolveSignalServiceAddress)
2478                                         .collect(Collectors.toList()),
2479                                 createGroupAvatarAttachment(groupInfo.getGroupId()),
2480                                 groupInfo.isMember(account.getSelfRecipientId()),
2481                                 Optional.of(groupInfo.messageExpirationTime),
2482                                 Optional.fromNullable(groupInfo.color),
2483                                 groupInfo.blocked,
2484                                 Optional.absent(),
2485                                 groupInfo.archived));
2486                     }
2487                 }
2488             }
2489
2490             if (groupsFile.exists() && groupsFile.length() > 0) {
2491                 try (var groupsFileStream = new FileInputStream(groupsFile)) {
2492                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
2493                             .withStream(groupsFileStream)
2494                             .withContentType("application/octet-stream")
2495                             .withLength(groupsFile.length())
2496                             .build();
2497
2498                     sendHelper.sendSyncMessage(SignalServiceSyncMessage.forGroups(attachmentStream));
2499                 }
2500             }
2501         } finally {
2502             try {
2503                 Files.delete(groupsFile.toPath());
2504             } catch (IOException e) {
2505                 logger.warn("Failed to delete groups temp file “{}”, ignoring: {}", groupsFile, e.getMessage());
2506             }
2507         }
2508     }
2509
2510     public void sendContacts() throws IOException {
2511         var contactsFile = IOUtils.createTempFile();
2512
2513         try {
2514             try (OutputStream fos = new FileOutputStream(contactsFile)) {
2515                 var out = new DeviceContactsOutputStream(fos);
2516                 for (var contactPair : account.getContactStore().getContacts()) {
2517                     final var recipientId = contactPair.first();
2518                     final var contact = contactPair.second();
2519                     final var address = resolveSignalServiceAddress(recipientId);
2520
2521                     var currentIdentity = account.getIdentityKeyStore().getIdentity(recipientId);
2522                     VerifiedMessage verifiedMessage = null;
2523                     if (currentIdentity != null) {
2524                         verifiedMessage = new VerifiedMessage(address,
2525                                 currentIdentity.getIdentityKey(),
2526                                 currentIdentity.getTrustLevel().toVerifiedState(),
2527                                 currentIdentity.getDateAdded().getTime());
2528                     }
2529
2530                     var profileKey = account.getProfileStore().getProfileKey(recipientId);
2531                     out.write(new DeviceContact(address,
2532                             Optional.fromNullable(contact.getName()),
2533                             createContactAvatarAttachment(address),
2534                             Optional.fromNullable(contact.getColor()),
2535                             Optional.fromNullable(verifiedMessage),
2536                             Optional.fromNullable(profileKey),
2537                             contact.isBlocked(),
2538                             Optional.of(contact.getMessageExpirationTime()),
2539                             Optional.absent(),
2540                             contact.isArchived()));
2541                 }
2542
2543                 if (account.getProfileKey() != null) {
2544                     // Send our own profile key as well
2545                     out.write(new DeviceContact(account.getSelfAddress(),
2546                             Optional.absent(),
2547                             Optional.absent(),
2548                             Optional.absent(),
2549                             Optional.absent(),
2550                             Optional.of(account.getProfileKey()),
2551                             false,
2552                             Optional.absent(),
2553                             Optional.absent(),
2554                             false));
2555                 }
2556             }
2557
2558             if (contactsFile.exists() && contactsFile.length() > 0) {
2559                 try (var contactsFileStream = new FileInputStream(contactsFile)) {
2560                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
2561                             .withStream(contactsFileStream)
2562                             .withContentType("application/octet-stream")
2563                             .withLength(contactsFile.length())
2564                             .build();
2565
2566                     sendHelper.sendSyncMessage(SignalServiceSyncMessage.forContacts(new ContactsMessage(attachmentStream,
2567                             true)));
2568                 }
2569             }
2570         } finally {
2571             try {
2572                 Files.delete(contactsFile.toPath());
2573             } catch (IOException e) {
2574                 logger.warn("Failed to delete contacts temp file “{}”, ignoring: {}", contactsFile, e.getMessage());
2575             }
2576         }
2577     }
2578
2579     void sendBlockedList() throws IOException {
2580         var addresses = new ArrayList<SignalServiceAddress>();
2581         for (var record : account.getContactStore().getContacts()) {
2582             if (record.second().isBlocked()) {
2583                 addresses.add(resolveSignalServiceAddress(record.first()));
2584             }
2585         }
2586         var groupIds = new ArrayList<byte[]>();
2587         for (var record : getGroups()) {
2588             if (record.isBlocked()) {
2589                 groupIds.add(record.getGroupId().serialize());
2590             }
2591         }
2592         sendHelper.sendSyncMessage(SignalServiceSyncMessage.forBlocked(new BlockedListMessage(addresses, groupIds)));
2593     }
2594
2595     private void sendVerifiedMessage(
2596             SignalServiceAddress destination, IdentityKey identityKey, TrustLevel trustLevel
2597     ) throws IOException {
2598         var verifiedMessage = new VerifiedMessage(destination,
2599                 identityKey,
2600                 trustLevel.toVerifiedState(),
2601                 System.currentTimeMillis());
2602         sendHelper.sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage));
2603     }
2604
2605     public List<Pair<RecipientId, Contact>> getContacts() {
2606         return account.getContactStore().getContacts();
2607     }
2608
2609     public String getContactOrProfileName(String number) throws InvalidNumberException {
2610         final var recipientId = canonicalizeAndResolveRecipient(number);
2611         final var recipient = account.getRecipientStore().getRecipient(recipientId);
2612         if (recipient == null) {
2613             return null;
2614         }
2615
2616         if (recipient.getContact() != null && !Util.isEmpty(recipient.getContact().getName())) {
2617             return recipient.getContact().getName();
2618         }
2619
2620         if (recipient.getProfile() != null && recipient.getProfile() != null) {
2621             return recipient.getProfile().getDisplayName();
2622         }
2623
2624         return null;
2625     }
2626
2627     public GroupInfo getGroup(GroupId groupId) {
2628         return getGroup(groupId, false);
2629     }
2630
2631     public GroupInfo getGroup(GroupId groupId, boolean forceUpdate) {
2632         final var group = account.getGroupStore().getGroup(groupId);
2633         if (group instanceof GroupInfoV2 && (forceUpdate || ((GroupInfoV2) group).getGroup() == null)) {
2634             final var groupSecretParams = GroupSecretParams.deriveFromMasterKey(((GroupInfoV2) group).getMasterKey());
2635             ((GroupInfoV2) group).setGroup(groupV2Helper.getDecryptedGroup(groupSecretParams), this::resolveRecipient);
2636             account.getGroupStore().updateGroup(group);
2637         }
2638         return group;
2639     }
2640
2641     public List<IdentityInfo> getIdentities() {
2642         return account.getIdentityKeyStore().getIdentities();
2643     }
2644
2645     public List<IdentityInfo> getIdentities(String number) throws InvalidNumberException {
2646         final var identity = account.getIdentityKeyStore().getIdentity(canonicalizeAndResolveRecipient(number));
2647         return identity == null ? List.of() : List.of(identity);
2648     }
2649
2650     /**
2651      * Trust this the identity with this fingerprint
2652      *
2653      * @param name        username of the identity
2654      * @param fingerprint Fingerprint
2655      */
2656     public boolean trustIdentityVerified(String name, byte[] fingerprint) throws InvalidNumberException {
2657         var recipientId = canonicalizeAndResolveRecipient(name);
2658         return trustIdentity(recipientId,
2659                 identityKey -> Arrays.equals(identityKey.serialize(), fingerprint),
2660                 TrustLevel.TRUSTED_VERIFIED);
2661     }
2662
2663     /**
2664      * Trust this the identity with this safety number
2665      *
2666      * @param name         username of the identity
2667      * @param safetyNumber Safety number
2668      */
2669     public boolean trustIdentityVerifiedSafetyNumber(String name, String safetyNumber) throws InvalidNumberException {
2670         var recipientId = canonicalizeAndResolveRecipient(name);
2671         var address = account.getRecipientStore().resolveServiceAddress(recipientId);
2672         return trustIdentity(recipientId,
2673                 identityKey -> safetyNumber.equals(computeSafetyNumber(address, identityKey)),
2674                 TrustLevel.TRUSTED_VERIFIED);
2675     }
2676
2677     /**
2678      * Trust all keys of this identity without verification
2679      *
2680      * @param name username of the identity
2681      */
2682     public boolean trustIdentityAllKeys(String name) throws InvalidNumberException {
2683         var recipientId = canonicalizeAndResolveRecipient(name);
2684         return trustIdentity(recipientId, identityKey -> true, TrustLevel.TRUSTED_UNVERIFIED);
2685     }
2686
2687     private boolean trustIdentity(
2688             RecipientId recipientId, Function<IdentityKey, Boolean> verifier, TrustLevel trustLevel
2689     ) {
2690         var identity = account.getIdentityKeyStore().getIdentity(recipientId);
2691         if (identity == null) {
2692             return false;
2693         }
2694
2695         if (!verifier.apply(identity.getIdentityKey())) {
2696             return false;
2697         }
2698
2699         account.getIdentityKeyStore().setIdentityTrustLevel(recipientId, identity.getIdentityKey(), trustLevel);
2700         try {
2701             var address = account.getRecipientStore().resolveServiceAddress(recipientId);
2702             sendVerifiedMessage(address, identity.getIdentityKey(), trustLevel);
2703         } catch (IOException e) {
2704             logger.warn("Failed to send verification sync message: {}", e.getMessage());
2705         }
2706
2707         return true;
2708     }
2709
2710     private void handleIdentityFailure(
2711             final RecipientId recipientId, final SendMessageResult.IdentityFailure identityFailure
2712     ) {
2713         final var identityKey = identityFailure.getIdentityKey();
2714         if (identityKey != null) {
2715             final var newIdentity = account.getIdentityKeyStore().saveIdentity(recipientId, identityKey, new Date());
2716             if (newIdentity) {
2717                 account.getSessionStore().archiveSessions(recipientId);
2718             }
2719         } else {
2720             // Retrieve profile to get the current identity key from the server
2721             retrieveEncryptedProfile(recipientId);
2722         }
2723     }
2724
2725     public String computeSafetyNumber(SignalServiceAddress theirAddress, IdentityKey theirIdentityKey) {
2726         final var fingerprint = Utils.computeSafetyNumber(capabilities.isUuid(),
2727                 account.getSelfAddress(),
2728                 getIdentityKeyPair().getPublicKey(),
2729                 theirAddress,
2730                 theirIdentityKey);
2731         return fingerprint == null ? null : fingerprint.getDisplayableFingerprint().getDisplayText();
2732     }
2733
2734     public byte[] computeSafetyNumberForScanning(SignalServiceAddress theirAddress, IdentityKey theirIdentityKey) {
2735         final var fingerprint = Utils.computeSafetyNumber(capabilities.isUuid(),
2736                 account.getSelfAddress(),
2737                 getIdentityKeyPair().getPublicKey(),
2738                 theirAddress,
2739                 theirIdentityKey);
2740         return fingerprint == null ? null : fingerprint.getScannableFingerprint().getSerialized();
2741     }
2742
2743     @Deprecated
2744     public SignalServiceAddress resolveSignalServiceAddress(String identifier) {
2745         var address = Utils.getSignalServiceAddressFromIdentifier(identifier);
2746
2747         return resolveSignalServiceAddress(address);
2748     }
2749
2750     @Deprecated
2751     public SignalServiceAddress resolveSignalServiceAddress(SignalServiceAddress address) {
2752         if (address.matches(account.getSelfAddress())) {
2753             return account.getSelfAddress();
2754         }
2755
2756         return account.getRecipientStore().resolveServiceAddress(address);
2757     }
2758
2759     public SignalServiceAddress resolveSignalServiceAddress(RecipientId recipientId) {
2760         return account.getRecipientStore().resolveServiceAddress(recipientId);
2761     }
2762
2763     private RecipientId canonicalizeAndResolveRecipient(String identifier) throws InvalidNumberException {
2764         var canonicalizedNumber = UuidUtil.isUuid(identifier) ? identifier : canonicalizePhoneNumber(identifier);
2765
2766         return resolveRecipient(canonicalizedNumber);
2767     }
2768
2769     private String canonicalizePhoneNumber(final String number) throws InvalidNumberException {
2770         return PhoneNumberFormatter.formatNumber(number, account.getUsername());
2771     }
2772
2773     private RecipientId resolveRecipient(final String identifier) {
2774         var address = Utils.getSignalServiceAddressFromIdentifier(identifier);
2775
2776         return resolveRecipient(address);
2777     }
2778
2779     public RecipientId resolveRecipient(SignalServiceAddress address) {
2780         return account.getRecipientStore().resolveRecipient(address);
2781     }
2782
2783     private RecipientId resolveRecipientTrusted(SignalServiceAddress address) {
2784         return account.getRecipientStore().resolveRecipientTrusted(address);
2785     }
2786
2787     private void enqueueJob(Job job) {
2788         var context = new Context(account,
2789                 dependencies.getAccountManager(),
2790                 dependencies.getMessageReceiver(),
2791                 stickerPackStore);
2792         job.run(context);
2793     }
2794
2795     @Override
2796     public void close() throws IOException {
2797         close(true);
2798     }
2799
2800     void close(boolean closeAccount) throws IOException {
2801         executor.shutdown();
2802
2803         dependencies.getSignalWebSocket().disconnect();
2804
2805         if (closeAccount && account != null) {
2806             account.close();
2807         }
2808         account = null;
2809     }
2810
2811     public interface ReceiveMessageHandler {
2812
2813         void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, Throwable e);
2814     }
2815 }