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.config.ServiceConfig;
  21 import org.asamk.signal.manager.config.ServiceEnvironment;
  22 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  23 import org.asamk.signal.manager.groups.GroupId;
  24 import org.asamk.signal.manager.groups.GroupIdV1;
  25 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  26 import org.asamk.signal.manager.groups.GroupLinkState;
  27 import org.asamk.signal.manager.groups.GroupNotFoundException;
  28 import org.asamk.signal.manager.groups.GroupPermission;
  29 import org.asamk.signal.manager.groups.GroupUtils;
  30 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  31 import org.asamk.signal.manager.helper.GroupV2Helper;
  32 import org.asamk.signal.manager.helper.PinHelper;
  33 import org.asamk.signal.manager.helper.ProfileHelper;
  34 import org.asamk.signal.manager.helper.UnidentifiedAccessHelper;
  35 import org.asamk.signal.manager.storage.SignalAccount;
  36 import org.asamk.signal.manager.storage.groups.GroupInfo;
  37 import org.asamk.signal.manager.storage.groups.GroupInfoV1;
  38 import org.asamk.signal.manager.storage.groups.GroupInfoV2;
  39 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  40 import org.asamk.signal.manager.storage.messageCache.CachedMessage;
  41 import org.asamk.signal.manager.storage.recipients.Contact;
  42 import org.asamk.signal.manager.storage.recipients.Profile;
  43 import org.asamk.signal.manager.storage.recipients.RecipientId;
  44 import org.asamk.signal.manager.storage.stickers.Sticker;
  45 import org.asamk.signal.manager.storage.stickers.StickerPackId;
  46 import org.asamk.signal.manager.util.AttachmentUtils;
  47 import org.asamk.signal.manager.util.IOUtils;
  48 import org.asamk.signal.manager.util.KeyUtils;
  49 import org.asamk.signal.manager.util.ProfileUtils;
  50 import org.asamk.signal.manager.util.StickerUtils;
  51 import org.asamk.signal.manager.util.Utils;
  52 import org.signal.libsignal.metadata.InvalidMetadataMessageException;
  53 import org.signal.libsignal.metadata.InvalidMetadataVersionException;
  54 import org.signal.libsignal.metadata.ProtocolDuplicateMessageException;
  55 import org.signal.libsignal.metadata.ProtocolInvalidKeyException;
  56 import org.signal.libsignal.metadata.ProtocolInvalidKeyIdException;
  57 import org.signal.libsignal.metadata.ProtocolInvalidMessageException;
  58 import org.signal.libsignal.metadata.ProtocolInvalidVersionException;
  59 import org.signal.libsignal.metadata.ProtocolLegacyMessageException;
  60 import org.signal.libsignal.metadata.ProtocolNoSessionException;
  61 import org.signal.libsignal.metadata.ProtocolUntrustedIdentityException;
  62 import org.signal.libsignal.metadata.SelfSendException;
  63 import org.signal.libsignal.metadata.certificate.CertificateValidator;
  64 import org.signal.storageservice.protos.groups.GroupChange;
  65 import org.signal.storageservice.protos.groups.local.DecryptedGroup;
  66 import org.signal.zkgroup.InvalidInputException;
  67 import org.signal.zkgroup.VerificationFailedException;
  68 import org.signal.zkgroup.groups.GroupMasterKey;
  69 import org.signal.zkgroup.groups.GroupSecretParams;
  70 import org.signal.zkgroup.profiles.ClientZkProfileOperations;
  71 import org.signal.zkgroup.profiles.ProfileKey;
  72 import org.signal.zkgroup.profiles.ProfileKeyCredential;
  73 import org.slf4j.Logger;
  74 import org.slf4j.LoggerFactory;
  75 import org.whispersystems.libsignal.IdentityKey;
  76 import org.whispersystems.libsignal.IdentityKeyPair;
  77 import org.whispersystems.libsignal.InvalidKeyException;
  78 import org.whispersystems.libsignal.InvalidMessageException;
  79 import org.whispersystems.libsignal.ecc.ECPublicKey;
  80 import org.whispersystems.libsignal.state.PreKeyRecord;
  81 import org.whispersystems.libsignal.state.SignedPreKeyRecord;
  82 import org.whispersystems.libsignal.util.Pair;
  83 import org.whispersystems.libsignal.util.guava.Optional;
  84 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
  85 import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
  86 import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
  87 import org.whispersystems.signalservice.api.SignalServiceMessageSender;
  88 import org.whispersystems.signalservice.api.SignalSessionLock;
  89 import org.whispersystems.signalservice.api.crypto.SignalServiceCipher;
  90 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
  91 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
  92 import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
  93 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Api;
  94 import org.whispersystems.signalservice.api.groupsv2.GroupsV2AuthorizationString;
  95 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Operations;
  96 import org.whispersystems.signalservice.api.messages.SendMessageResult;
  97 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
  98 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentPointer;
  99 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentRemoteId;
 100 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentStream;
 101 import org.whispersystems.signalservice.api.messages.SignalServiceContent;
 102 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
 103 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
 104 import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
 105 import org.whispersystems.signalservice.api.messages.SignalServiceGroupV2;
 106 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
 107 import org.whispersystems.signalservice.api.messages.multidevice.BlockedListMessage;
 108 import org.whispersystems.signalservice.api.messages.multidevice.ContactsMessage;
 109 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContact;
 110 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsInputStream;
 111 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsOutputStream;
 112 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroup;
 113 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsInputStream;
 114 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsOutputStream;
 115 import org.whispersystems.signalservice.api.messages.multidevice.RequestMessage;
 116 import org.whispersystems.signalservice.api.messages.multidevice.SentTranscriptMessage;
 117 import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
 118 import org.whispersystems.signalservice.api.messages.multidevice.StickerPackOperationMessage;
 119 import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage;
 120 import org.whispersystems.signalservice.api.profiles.ProfileAndCredential;
 121 import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
 122 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
 123 import org.whispersystems.signalservice.api.push.exceptions.MissingConfigurationException;
 124 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
 125 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
 126 import org.whispersystems.signalservice.api.util.InvalidNumberException;
 127 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
 128 import org.whispersystems.signalservice.api.util.SleepTimer;
 129 import org.whispersystems.signalservice.api.util.UptimeSleepTimer;
 130 import org.whispersystems.signalservice.api.util.UuidUtil;
 131 import org.whispersystems.signalservice.internal.contacts.crypto.Quote;
 132 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedQuoteException;
 133 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedResponseException;
 134 import org.whispersystems.signalservice.internal.push.SignalServiceProtos;
 135 import org.whispersystems.signalservice.internal.push.UnsupportedDataMessageException;
 136 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
 137 import org.whispersystems.signalservice.internal.util.Hex;
 138 import org.whispersystems.signalservice.internal.util.Util;
 139
 140 import java.io.Closeable;
 141 import java.io.File;
 142 import java.io.FileInputStream;
 143 import java.io.FileOutputStream;
 144 import java.io.IOException;
 145 import java.io.InputStream;
 146 import java.io.OutputStream;
 147 import java.net.URI;
 148 import java.net.URISyntaxException;
 149 import java.net.URLEncoder;
 150 import java.nio.charset.StandardCharsets;
 151 import java.nio.file.Files;
 152 import java.security.SignatureException;
 153 import java.util.ArrayList;
 154 import java.util.Arrays;
 155 import java.util.Base64;
 156 import java.util.Collection;
 157 import java.util.Date;
 158 import java.util.HashSet;
 159 import java.util.List;
 160 import java.util.Map;
 161 import java.util.Set;
 162 import java.util.UUID;
 163 import java.util.concurrent.ExecutorService;
 164 import java.util.concurrent.Executors;
 165 import java.util.concurrent.TimeUnit;
 166 import java.util.concurrent.TimeoutException;
 167 import java.util.concurrent.locks.ReentrantLock;
 168 import java.util.function.Function;
 169 import java.util.stream.Collectors;
 170
 171 import static org.asamk.signal.manager.config.ServiceConfig.capabilities;
 172
 173 public class Manager implements Closeable {
 174
 175     private final static Logger logger = LoggerFactory.getLogger(Manager.class);
 176
 177     private final CertificateValidator certificateValidator;
 178
 179     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
 180     private final String userAgent;
 181
 182     private SignalAccount account;
 183     private final SignalServiceAccountManager accountManager;
 184     private final GroupsV2Api groupsV2Api;
 185     private final GroupsV2Operations groupsV2Operations;
 186     private final SignalServiceMessageReceiver messageReceiver;
 187     private final ClientZkProfileOperations clientZkProfileOperations;
 188
 189     private final ExecutorService executor = Executors.newCachedThreadPool();
 190
 191     private SignalServiceMessagePipe messagePipe = null;
 192     private SignalServiceMessagePipe unidentifiedMessagePipe = null;
 193
 194     private final UnidentifiedAccessHelper unidentifiedAccessHelper;
 195     private final ProfileHelper profileHelper;
 196     private final GroupV2Helper groupV2Helper;
 197     private final PinHelper pinHelper;
 198     private final AvatarStore avatarStore;
 199     private final AttachmentStore attachmentStore;
 200     private final SignalSessionLock sessionLock = new SignalSessionLock() {
 201         private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 202
 203         @Override
 204         public Lock acquire() {
 205             LEGACY_LOCK.lock();
 206             return LEGACY_LOCK::unlock;
 207         }
 208     };
 209
 210     Manager(
 211             SignalAccount account,
 212             PathConfig pathConfig,
 213             ServiceEnvironmentConfig serviceEnvironmentConfig,
 214             String userAgent
 215     ) {
 216         this.account = account;
 217         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
 218         this.certificateValidator = new CertificateValidator(serviceEnvironmentConfig.getUnidentifiedSenderTrustRoot());
 219         this.userAgent = userAgent;
 220         this.groupsV2Operations = capabilities.isGv2() ? new GroupsV2Operations(ClientZkOperations.create(
 221                 serviceEnvironmentConfig.getSignalServiceConfiguration())) : null;
 222         final SleepTimer timer = new UptimeSleepTimer();
 223         this.accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
 224                 new DynamicCredentialsProvider(account.getUuid(),
 225                         account.getUsername(),
 226                         account.getPassword(),
 227                         account.getDeviceId()),
 228                 userAgent,
 229                 groupsV2Operations,
 230                 ServiceConfig.AUTOMATIC_NETWORK_RETRY,
 231                 timer);
 232         this.groupsV2Api = accountManager.getGroupsV2Api();
 233         final var keyBackupService = accountManager.getKeyBackupService(ServiceConfig.getIasKeyStore(),
 234                 serviceEnvironmentConfig.getKeyBackupConfig().getEnclaveName(),
 235                 serviceEnvironmentConfig.getKeyBackupConfig().getServiceId(),
 236                 serviceEnvironmentConfig.getKeyBackupConfig().getMrenclave(),
 237                 10);
 238
 239         this.pinHelper = new PinHelper(keyBackupService);
 240         this.clientZkProfileOperations = capabilities.isGv2()
 241                 ? ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration())
 242                 .getProfileOperations()
 243                 : null;
 244         this.messageReceiver = new SignalServiceMessageReceiver(serviceEnvironmentConfig.getSignalServiceConfiguration(),
 245                 account.getUuid(),
 246                 account.getUsername(),
 247                 account.getPassword(),
 248                 account.getDeviceId(),
 249                 userAgent,
 250                 null,
 251                 timer,
 252                 clientZkProfileOperations,
 253                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
 254
 255         this.unidentifiedAccessHelper = new UnidentifiedAccessHelper(account::getProfileKey,
 256                 account.getProfileStore()::getProfileKey,
 257                 this::getRecipientProfile,
 258                 this::getSenderCertificate);
 259         this.profileHelper = new ProfileHelper(account.getProfileStore()::getProfileKey,
 260                 unidentifiedAccessHelper::getAccessFor,
 261                 unidentified -> unidentified ? getOrCreateUnidentifiedMessagePipe() : getOrCreateMessagePipe(),
 262                 () -> messageReceiver,
 263                 this::resolveSignalServiceAddress);
 264         this.groupV2Helper = new GroupV2Helper(this::getRecipientProfileKeyCredential,
 265                 this::getRecipientProfile,
 266                 account::getSelfRecipientId,
 267                 groupsV2Operations,
 268                 groupsV2Api,
 269                 this::getGroupAuthForToday,
 270                 this::resolveSignalServiceAddress);
 271         this.avatarStore = new AvatarStore(pathConfig.getAvatarsPath());
 272         this.attachmentStore = new AttachmentStore(pathConfig.getAttachmentsPath());
 273     }
 274
 275     public String getUsername() {
 276         return account.getUsername();
 277     }
 278
 279     public SignalServiceAddress getSelfAddress() {
 280         return account.getSelfAddress();
 281     }
 282
 283     public RecipientId getSelfRecipientId() {
 284         return account.getSelfRecipientId();
 285     }
 286
 287     private IdentityKeyPair getIdentityKeyPair() {
 288         return account.getIdentityKeyPair();
 289     }
 290
 291     public int getDeviceId() {
 292         return account.getDeviceId();
 293     }
 294
 295     public static Manager init(
 296             String username, File settingsPath, ServiceEnvironment serviceEnvironment, String userAgent
 297     ) throws IOException, NotRegisteredException {
 298         var pathConfig = PathConfig.createDefault(settingsPath);
 299
 300         if (!SignalAccount.userExists(pathConfig.getDataPath(), username)) {
 301             throw new NotRegisteredException();
 302         }
 303
 304         var account = SignalAccount.load(pathConfig.getDataPath(), username, true);
 305
 306         if (!account.isRegistered()) {
 307             throw new NotRegisteredException();
 308         }
 309
 310         final var serviceEnvironmentConfig = ServiceConfig.getServiceEnvironmentConfig(serviceEnvironment, userAgent);
 311
 312         return new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent);
 313     }
 314
 315     public static List<String> getAllLocalUsernames(File settingsPath) {
 316         var pathConfig = PathConfig.createDefault(settingsPath);
 317         final var dataPath = pathConfig.getDataPath();
 318         final var files = dataPath.listFiles();
 319
 320         if (files == null) {
 321             return List.of();
 322         }
 323
 324         return Arrays.stream(files)
 325                 .filter(File::isFile)
 326                 .map(File::getName)
 327                 .filter(file -> PhoneNumberFormatter.isValidNumber(file, null))
 328                 .collect(Collectors.toList());
 329     }
 330
 331     public void checkAccountState() throws IOException {
 332         if (accountManager.getPreKeysCount() < ServiceConfig.PREKEY_MINIMUM_COUNT) {
 333             refreshPreKeys();
 334         }
 335         if (account.getUuid() == null) {
 336             account.setUuid(accountManager.getOwnUuid());
 337         }
 338         updateAccountAttributes();
 339     }
 340
 341     /**
 342      * This is used for checking a set of phone numbers for registration on Signal
 343      *
 344      * @param numbers The set of phone number in question
 345      * @return A map of numbers to booleans. True if registered, false otherwise. Should never be null
 346      * @throws IOException if its unable to get the contacts to check if they're registered
 347      */
 348     public Map<String, Boolean> areUsersRegistered(Set<String> numbers) throws IOException {
 349         // Note "contactDetails" has no optionals. It only gives us info on users who are registered
 350         var contactDetails = getRegisteredUsers(numbers);
 351
 352         var registeredUsers = contactDetails.keySet();
 353
 354         return numbers.stream().collect(Collectors.toMap(x -> x, registeredUsers::contains));
 355     }
 356
 357     public void updateAccountAttributes() throws IOException {
 358         accountManager.setAccountAttributes(account.getEncryptedDeviceName(),
 359                 null,
 360                 account.getLocalRegistrationId(),
 361                 true,
 362                 // set legacy pin only if no KBS master key is set
 363                 account.getPinMasterKey() == null ? account.getRegistrationLockPin() : null,
 364                 account.getPinMasterKey() == null ? null : account.getPinMasterKey().deriveRegistrationLock(),
 365                 account.getSelfUnidentifiedAccessKey(),
 366                 account.isUnrestrictedUnidentifiedAccess(),
 367                 capabilities,
 368                 account.isDiscoverableByPhoneNumber());
 369     }
 370
 371     /**
 372      * @param givenName  if null, the previous givenName will be kept
 373      * @param familyName if null, the previous familyName will be kept
 374      * @param about      if null, the previous about text will be kept
 375      * @param aboutEmoji if null, the previous about emoji will be kept
 376      * @param avatar     if avatar is null the image from the local avatar store is used (if present),
 377      */
 378     public void setProfile(
 379             String givenName, final String familyName, String about, String aboutEmoji, Optional<File> avatar
 380     ) throws IOException {
 381         var profile = getRecipientProfile(account.getSelfRecipientId());
 382         var builder = profile == null ? Profile.newBuilder() : Profile.newBuilder(profile);
 383         if (givenName != null) {
 384             builder.withGivenName(givenName);
 385         }
 386         if (familyName != null) {
 387             builder.withFamilyName(familyName);
 388         }
 389         if (about != null) {
 390             builder.withAbout(about);
 391         }
 392         if (aboutEmoji != null) {
 393             builder.withAboutEmoji(aboutEmoji);
 394         }
 395         var newProfile = builder.build();
 396
 397         try (final var streamDetails = avatar == null
 398                 ? avatarStore.retrieveProfileAvatar(getSelfAddress())
 399                 : avatar.isPresent() ? Utils.createStreamDetailsFromFile(avatar.get()) : null) {
 400             accountManager.setVersionedProfile(account.getUuid(),
 401                     account.getProfileKey(),
 402                     newProfile.getInternalServiceName(),
 403                     newProfile.getAbout() == null ? "" : newProfile.getAbout(),
 404                     newProfile.getAboutEmoji() == null ? "" : newProfile.getAboutEmoji(),
 405                     Optional.absent(),
 406                     streamDetails);
 407         }
 408
 409         if (avatar != null) {
 410             if (avatar.isPresent()) {
 411                 avatarStore.storeProfileAvatar(getSelfAddress(),
 412                         outputStream -> IOUtils.copyFileToStream(avatar.get(), outputStream));
 413             } else {
 414                 avatarStore.deleteProfileAvatar(getSelfAddress());
 415             }
 416         }
 417         account.getProfileStore().storeProfile(account.getSelfRecipientId(), newProfile);
 418
 419         try {
 420             sendSyncMessage(SignalServiceSyncMessage.forFetchLatest(SignalServiceSyncMessage.FetchType.LOCAL_PROFILE));
 421         } catch (UntrustedIdentityException ignored) {
 422         }
 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         accountManager.setGcmId(Optional.absent());
 430
 431         account.setRegistered(false);
 432     }
 433
 434     public void deleteAccount() throws IOException {
 435         accountManager.deleteAccount();
 436
 437         account.setRegistered(false);
 438     }
 439
 440     public List<Device> getLinkedDevices() throws IOException {
 441         var devices = accountManager.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         accountManager.removeDevice(deviceId);
 459         var devices = accountManager.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 = accountManager.getNewDeviceVerificationCode();
 472
 473         accountManager.addDevice(deviceIdentifier,
 474                 deviceKey,
 475                 identityKeyPair,
 476                 Optional.of(account.getProfileKey().serialize()),
 477                 verificationCode);
 478         account.setMultiDevice(true);
 479     }
 480
 481     public void setRegistrationLockPin(Optional<String> pin) throws IOException, UnauthenticatedResponseException {
 482         if (!account.isMasterDevice()) {
 483             throw new RuntimeException("Only master device can set a PIN");
 484         }
 485         if (pin.isPresent()) {
 486             final var masterKey = account.getPinMasterKey() != null
 487                     ? account.getPinMasterKey()
 488                     : KeyUtils.createMasterKey();
 489
 490             pinHelper.setRegistrationLockPin(pin.get(), masterKey);
 491
 492             account.setRegistrationLockPin(pin.get(), masterKey);
 493         } else {
 494             // Remove legacy registration lock
 495             accountManager.removeRegistrationLockV1();
 496
 497             // Remove KBS Pin
 498             pinHelper.removeRegistrationLockPin();
 499
 500             account.setRegistrationLockPin(null, null);
 501         }
 502     }
 503
 504     void refreshPreKeys() throws IOException {
 505         var oneTimePreKeys = generatePreKeys();
 506         final var identityKeyPair = getIdentityKeyPair();
 507         var signedPreKeyRecord = generateSignedPreKey(identityKeyPair);
 508
 509         accountManager.setPreKeys(identityKeyPair.getPublicKey(), signedPreKeyRecord, oneTimePreKeys);
 510     }
 511
 512     private List<PreKeyRecord> generatePreKeys() {
 513         final var offset = account.getPreKeyIdOffset();
 514
 515         var records = KeyUtils.generatePreKeyRecords(offset, ServiceConfig.PREKEY_BATCH_SIZE);
 516         account.addPreKeys(records);
 517
 518         return records;
 519     }
 520
 521     private SignedPreKeyRecord generateSignedPreKey(IdentityKeyPair identityKeyPair) {
 522         final var signedPreKeyId = account.getNextSignedPreKeyId();
 523
 524         var record = KeyUtils.generateSignedPreKeyRecord(identityKeyPair, signedPreKeyId);
 525         account.addSignedPreKey(record);
 526
 527         return record;
 528     }
 529
 530     private SignalServiceMessagePipe getOrCreateMessagePipe() {
 531         if (messagePipe == null) {
 532             messagePipe = messageReceiver.createMessagePipe();
 533         }
 534         return messagePipe;
 535     }
 536
 537     private SignalServiceMessagePipe getOrCreateUnidentifiedMessagePipe() {
 538         if (unidentifiedMessagePipe == null) {
 539             unidentifiedMessagePipe = messageReceiver.createUnidentifiedMessagePipe();
 540         }
 541         return unidentifiedMessagePipe;
 542     }
 543
 544     private SignalServiceMessageSender createMessageSender() {
 545         return new SignalServiceMessageSender(serviceEnvironmentConfig.getSignalServiceConfiguration(),
 546                 account.getUuid(),
 547                 account.getUsername(),
 548                 account.getPassword(),
 549                 account.getDeviceId(),
 550                 account.getSignalProtocolStore(),
 551                 sessionLock,
 552                 userAgent,
 553                 account.isMultiDevice(),
 554                 Optional.fromNullable(messagePipe),
 555                 Optional.fromNullable(unidentifiedMessagePipe),
 556                 Optional.absent(),
 557                 clientZkProfileOperations,
 558                 executor,
 559                 ServiceConfig.MAX_ENVELOPE_SIZE,
 560                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
 561     }
 562
 563     public Profile getRecipientProfile(
 564             RecipientId recipientId
 565     ) {
 566         return getRecipientProfile(recipientId, false);
 567     }
 568
 569     private final Set<RecipientId> pendingProfileRequest = new HashSet<>();
 570
 571     Profile getRecipientProfile(
 572             RecipientId recipientId, boolean force
 573     ) {
 574         var profile = account.getProfileStore().getProfile(recipientId);
 575
 576         var now = new Date().getTime();
 577         // Profiles are cached for 24h before retrieving them again, unless forced
 578         if (!force && profile != null && now - profile.getLastUpdateTimestamp() < 24 * 60 * 60 * 1000) {
 579             return profile;
 580         }
 581
 582         synchronized (pendingProfileRequest) {
 583             if (pendingProfileRequest.contains(recipientId)) {
 584                 return profile;
 585             }
 586             pendingProfileRequest.add(recipientId);
 587         }
 588         final SignalServiceProfile encryptedProfile;
 589         try {
 590             encryptedProfile = retrieveEncryptedProfile(recipientId);
 591         } finally {
 592             synchronized (pendingProfileRequest) {
 593                 pendingProfileRequest.remove(recipientId);
 594             }
 595         }
 596         if (encryptedProfile == null) {
 597             return null;
 598         }
 599
 600         var profileKey = account.getProfileStore().getProfileKey(recipientId);
 601         if (profileKey == null) {
 602             profile = new Profile(new Date().getTime(),
 603                     null,
 604                     null,
 605                     null,
 606                     null,
 607                     ProfileUtils.getUnidentifiedAccessMode(encryptedProfile, null),
 608                     ProfileUtils.getCapabilities(encryptedProfile));
 609         } else {
 610             profile = decryptProfileAndDownloadAvatar(recipientId, profileKey, encryptedProfile);
 611         }
 612         account.getProfileStore().storeProfile(recipientId, profile);
 613
 614         return profile;
 615     }
 616
 617     private SignalServiceProfile retrieveEncryptedProfile(RecipientId recipientId) {
 618         try {
 619             return retrieveProfileAndCredential(recipientId, SignalServiceProfile.RequestType.PROFILE).getProfile();
 620         } catch (IOException e) {
 621             logger.warn("Failed to retrieve profile, ignoring: {}", e.getMessage());
 622             return null;
 623         }
 624     }
 625
 626     private ProfileAndCredential retrieveProfileAndCredential(
 627             final RecipientId recipientId, final SignalServiceProfile.RequestType requestType
 628     ) throws IOException {
 629         final var profileAndCredential = profileHelper.retrieveProfileSync(recipientId, requestType);
 630         final var profile = profileAndCredential.getProfile();
 631
 632         try {
 633             var newIdentity = account.getIdentityKeyStore()
 634                     .saveIdentity(recipientId,
 635                             new IdentityKey(Base64.getDecoder().decode(profile.getIdentityKey())),
 636                             new Date());
 637
 638             if (newIdentity) {
 639                 account.getSessionStore().archiveSessions(recipientId);
 640             }
 641         } catch (InvalidKeyException ignored) {
 642             logger.warn("Got invalid identity key in profile for {}",
 643                     resolveSignalServiceAddress(recipientId).getLegacyIdentifier());
 644         }
 645         return profileAndCredential;
 646     }
 647
 648     private ProfileKeyCredential getRecipientProfileKeyCredential(RecipientId recipientId) {
 649         var profileKeyCredential = account.getProfileStore().getProfileKeyCredential(recipientId);
 650         if (profileKeyCredential != null) {
 651             return profileKeyCredential;
 652         }
 653
 654         ProfileAndCredential profileAndCredential;
 655         try {
 656             profileAndCredential = retrieveProfileAndCredential(recipientId,
 657                     SignalServiceProfile.RequestType.PROFILE_AND_CREDENTIAL);
 658         } catch (IOException e) {
 659             logger.warn("Failed to retrieve profile key credential, ignoring: {}", e.getMessage());
 660             return null;
 661         }
 662
 663         profileKeyCredential = profileAndCredential.getProfileKeyCredential().orNull();
 664         account.getProfileStore().storeProfileKeyCredential(recipientId, profileKeyCredential);
 665
 666         var profileKey = account.getProfileStore().getProfileKey(recipientId);
 667         if (profileKey != null) {
 668             final var profile = decryptProfileAndDownloadAvatar(recipientId,
 669                     profileKey,
 670                     profileAndCredential.getProfile());
 671             account.getProfileStore().storeProfile(recipientId, profile);
 672         }
 673
 674         return profileKeyCredential;
 675     }
 676
 677     private Profile decryptProfileAndDownloadAvatar(
 678             final RecipientId recipientId, final ProfileKey profileKey, final SignalServiceProfile encryptedProfile
 679     ) {
 680         if (encryptedProfile.getAvatar() != null) {
 681             downloadProfileAvatar(resolveSignalServiceAddress(recipientId), encryptedProfile.getAvatar(), profileKey);
 682         }
 683
 684         return ProfileUtils.decryptProfile(profileKey, encryptedProfile);
 685     }
 686
 687     private Optional<SignalServiceAttachmentStream> createGroupAvatarAttachment(GroupId groupId) throws IOException {
 688         final var streamDetails = avatarStore.retrieveGroupAvatar(groupId);
 689         if (streamDetails == null) {
 690             return Optional.absent();
 691         }
 692
 693         return Optional.of(AttachmentUtils.createAttachment(streamDetails, Optional.absent()));
 694     }
 695
 696     private Optional<SignalServiceAttachmentStream> createContactAvatarAttachment(SignalServiceAddress address) throws IOException {
 697         final var streamDetails = avatarStore.retrieveContactAvatar(address);
 698         if (streamDetails == null) {
 699             return Optional.absent();
 700         }
 701
 702         return Optional.of(AttachmentUtils.createAttachment(streamDetails, Optional.absent()));
 703     }
 704
 705     private GroupInfo getGroupForSending(GroupId groupId) throws GroupNotFoundException, NotAGroupMemberException {
 706         var g = getGroup(groupId);
 707         if (g == null) {
 708             throw new GroupNotFoundException(groupId);
 709         }
 710         if (!g.isMember(account.getSelfRecipientId())) {
 711             throw new NotAGroupMemberException(groupId, g.getTitle());
 712         }
 713         return g;
 714     }
 715
 716     private GroupInfo getGroupForUpdating(GroupId groupId) throws GroupNotFoundException, NotAGroupMemberException {
 717         var g = getGroup(groupId);
 718         if (g == null) {
 719             throw new GroupNotFoundException(groupId);
 720         }
 721         if (!g.isMember(account.getSelfRecipientId()) && !g.isPendingMember(account.getSelfRecipientId())) {
 722             throw new NotAGroupMemberException(groupId, g.getTitle());
 723         }
 724         return g;
 725     }
 726
 727     public List<GroupInfo> getGroups() {
 728         return account.getGroupStore().getGroups();
 729     }
 730
 731     public Pair<Long, List<SendMessageResult>> sendGroupMessage(
 732             String messageText, List<String> attachments, GroupId groupId
 733     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
 734         final var messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
 735         if (attachments != null) {
 736             messageBuilder.withAttachments(AttachmentUtils.getSignalServiceAttachments(attachments));
 737         }
 738
 739         return sendGroupMessage(messageBuilder, groupId);
 740     }
 741
 742     public Pair<Long, List<SendMessageResult>> sendGroupMessageReaction(
 743             String emoji, boolean remove, String targetAuthor, long targetSentTimestamp, GroupId groupId
 744     ) throws IOException, InvalidNumberException, NotAGroupMemberException, GroupNotFoundException {
 745         var targetAuthorRecipientId = canonicalizeAndResolveRecipient(targetAuthor);
 746         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 747                 remove,
 748                 resolveSignalServiceAddress(targetAuthorRecipientId),
 749                 targetSentTimestamp);
 750         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 751
 752         return sendGroupMessage(messageBuilder, groupId);
 753     }
 754
 755     public Pair<Long, List<SendMessageResult>> sendGroupMessage(
 756             SignalServiceDataMessage.Builder messageBuilder, GroupId groupId
 757     ) throws IOException, GroupNotFoundException, NotAGroupMemberException {
 758         final var g = getGroupForSending(groupId);
 759
 760         GroupUtils.setGroupContext(messageBuilder, g);
 761         messageBuilder.withExpiration(g.getMessageExpirationTime());
 762
 763         return sendMessage(messageBuilder, g.getMembersWithout(account.getSelfRecipientId()));
 764     }
 765
 766     public Pair<Long, List<SendMessageResult>> sendQuitGroupMessage(GroupId groupId) throws GroupNotFoundException, IOException, NotAGroupMemberException {
 767         SignalServiceDataMessage.Builder messageBuilder;
 768
 769         final var g = getGroupForUpdating(groupId);
 770         if (g instanceof GroupInfoV1) {
 771             var groupInfoV1 = (GroupInfoV1) g;
 772             var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT).withId(groupId.serialize()).build();
 773             messageBuilder = SignalServiceDataMessage.newBuilder().asGroupMessage(group);
 774             groupInfoV1.removeMember(account.getSelfRecipientId());
 775             account.getGroupStore().updateGroup(groupInfoV1);
 776         } else {
 777             final var groupInfoV2 = (GroupInfoV2) g;
 778             final var groupGroupChangePair = groupV2Helper.leaveGroup(groupInfoV2);
 779             groupInfoV2.setGroup(groupGroupChangePair.first(), this::resolveRecipient);
 780             messageBuilder = getGroupUpdateMessageBuilder(groupInfoV2, groupGroupChangePair.second().toByteArray());
 781             account.getGroupStore().updateGroup(groupInfoV2);
 782         }
 783
 784         return sendMessage(messageBuilder, g.getMembersWithout(account.getSelfRecipientId()));
 785     }
 786
 787     public Pair<GroupId, List<SendMessageResult>> createGroup(
 788             String name, List<String> members, File avatarFile
 789     ) throws IOException, AttachmentInvalidException, InvalidNumberException {
 790         return createGroup(name, members == null ? null : getSignalServiceAddresses(members), avatarFile);
 791     }
 792
 793     private Pair<GroupId, List<SendMessageResult>> createGroup(
 794             String name, Set<RecipientId> members, File avatarFile
 795     ) throws IOException, AttachmentInvalidException {
 796         final var selfRecipientId = account.getSelfRecipientId();
 797         if (members != null && members.contains(selfRecipientId)) {
 798             members = new HashSet<>(members);
 799             members.remove(selfRecipientId);
 800         }
 801
 802         var gv2Pair = groupV2Helper.createGroup(name == null ? "" : name,
 803                 members == null ? Set.of() : members,
 804                 avatarFile);
 805
 806         SignalServiceDataMessage.Builder messageBuilder;
 807         if (gv2Pair == null) {
 808             // Failed to create v2 group, creating v1 group instead
 809             var gv1 = new GroupInfoV1(GroupIdV1.createRandom());
 810             gv1.addMembers(List.of(selfRecipientId));
 811             final var result = updateGroupV1(gv1, name, members, avatarFile);
 812             return new Pair<>(gv1.getGroupId(), result.second());
 813         }
 814
 815         final var gv2 = gv2Pair.first();
 816         final var decryptedGroup = gv2Pair.second();
 817
 818         gv2.setGroup(decryptedGroup, this::resolveRecipient);
 819         if (avatarFile != null) {
 820             avatarStore.storeGroupAvatar(gv2.getGroupId(),
 821                     outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
 822         }
 823         messageBuilder = getGroupUpdateMessageBuilder(gv2, null);
 824         account.getGroupStore().updateGroup(gv2);
 825
 826         final var result = sendMessage(messageBuilder, gv2.getMembersIncludingPendingWithout(selfRecipientId));
 827         return new Pair<>(gv2.getGroupId(), result.second());
 828     }
 829
 830     public Pair<Long, List<SendMessageResult>> updateGroup(
 831             GroupId groupId,
 832             String name,
 833             String description,
 834             List<String> members,
 835             List<String> removeMembers,
 836             List<String> admins,
 837             List<String> removeAdmins,
 838             boolean resetGroupLink,
 839             GroupLinkState groupLinkState,
 840             GroupPermission addMemberPermission,
 841             GroupPermission editDetailsPermission,
 842             File avatarFile,
 843             Integer expirationTimer
 844     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, InvalidNumberException, NotAGroupMemberException {
 845         return updateGroup(groupId,
 846                 name,
 847                 description,
 848                 members == null ? null : getSignalServiceAddresses(members),
 849                 removeMembers == null ? null : getSignalServiceAddresses(removeMembers),
 850                 admins == null ? null : getSignalServiceAddresses(admins),
 851                 removeAdmins == null ? null : getSignalServiceAddresses(removeAdmins),
 852                 resetGroupLink,
 853                 groupLinkState,
 854                 addMemberPermission,
 855                 editDetailsPermission,
 856                 avatarFile,
 857                 expirationTimer);
 858     }
 859
 860     private Pair<Long, List<SendMessageResult>> updateGroup(
 861             final GroupId groupId,
 862             final String name,
 863             final String description,
 864             final Set<RecipientId> members,
 865             final Set<RecipientId> removeMembers,
 866             final Set<RecipientId> admins,
 867             final Set<RecipientId> removeAdmins,
 868             final boolean resetGroupLink,
 869             final GroupLinkState groupLinkState,
 870             final GroupPermission addMemberPermission,
 871             final GroupPermission editDetailsPermission,
 872             final File avatarFile,
 873             final Integer expirationTimer
 874     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
 875         var group = getGroupForUpdating(groupId);
 876
 877         if (group instanceof GroupInfoV2) {
 878             return updateGroupV2((GroupInfoV2) group,
 879                     name,
 880                     description,
 881                     members,
 882                     removeMembers,
 883                     admins,
 884                     removeAdmins,
 885                     resetGroupLink,
 886                     groupLinkState,
 887                     addMemberPermission,
 888                     editDetailsPermission,
 889                     avatarFile,
 890                     expirationTimer);
 891         }
 892
 893         final var gv1 = (GroupInfoV1) group;
 894         final var result = updateGroupV1(gv1, name, members, avatarFile);
 895         if (expirationTimer != null) {
 896             setExpirationTimer(gv1, expirationTimer);
 897         }
 898         return result;
 899     }
 900
 901     private Pair<Long, List<SendMessageResult>> updateGroupV1(
 902             final GroupInfoV1 gv1, final String name, final Set<RecipientId> members, final File avatarFile
 903     ) throws IOException, AttachmentInvalidException {
 904         updateGroupV1Details(gv1, name, members, avatarFile);
 905         var messageBuilder = getGroupUpdateMessageBuilder(gv1);
 906
 907         account.getGroupStore().updateGroup(gv1);
 908
 909         return sendMessage(messageBuilder, gv1.getMembersIncludingPendingWithout(account.getSelfRecipientId()));
 910     }
 911
 912     private void updateGroupV1Details(
 913             final GroupInfoV1 g, final String name, final Collection<RecipientId> members, final File avatarFile
 914     ) throws IOException {
 915         if (name != null) {
 916             g.name = name;
 917         }
 918
 919         if (members != null) {
 920             final var newMemberAddresses = members.stream()
 921                     .filter(member -> !g.isMember(member))
 922                     .map(this::resolveSignalServiceAddress)
 923                     .collect(Collectors.toList());
 924             final var newE164Members = new HashSet<String>();
 925             for (var member : newMemberAddresses) {
 926                 if (!member.getNumber().isPresent()) {
 927                     continue;
 928                 }
 929                 newE164Members.add(member.getNumber().get());
 930             }
 931
 932             final var registeredUsers = getRegisteredUsers(newE164Members);
 933             if (registeredUsers.size() != newE164Members.size()) {
 934                 // Some of the new members are not registered on Signal
 935                 newE164Members.removeAll(registeredUsers.keySet());
 936                 throw new IOException("Failed to add members "
 937                         + String.join(", ", newE164Members)
 938                         + " to group: Not registered on Signal");
 939             }
 940
 941             g.addMembers(members);
 942         }
 943
 944         if (avatarFile != null) {
 945             avatarStore.storeGroupAvatar(g.getGroupId(),
 946                     outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
 947         }
 948     }
 949
 950     private Pair<Long, List<SendMessageResult>> updateGroupV2(
 951             final GroupInfoV2 group,
 952             final String name,
 953             final String description,
 954             final Set<RecipientId> members,
 955             final Set<RecipientId> removeMembers,
 956             final Set<RecipientId> admins,
 957             final Set<RecipientId> removeAdmins,
 958             final boolean resetGroupLink,
 959             final GroupLinkState groupLinkState,
 960             final GroupPermission addMemberPermission,
 961             final GroupPermission editDetailsPermission,
 962             final File avatarFile,
 963             Integer expirationTimer
 964     ) throws IOException {
 965         Pair<Long, List<SendMessageResult>> result = null;
 966         if (group.isPendingMember(account.getSelfRecipientId())) {
 967             var groupGroupChangePair = groupV2Helper.acceptInvite(group);
 968             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 969         }
 970
 971         if (members != null) {
 972             final var newMembers = new HashSet<>(members);
 973             newMembers.removeAll(group.getMembers());
 974             if (newMembers.size() > 0) {
 975                 var groupGroupChangePair = groupV2Helper.addMembers(group, newMembers);
 976                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 977             }
 978         }
 979
 980         if (removeMembers != null) {
 981             var existingRemoveMembers = new HashSet<>(removeMembers);
 982             existingRemoveMembers.retainAll(group.getMembers());
 983             existingRemoveMembers.remove(getSelfRecipientId());// self can be removed with sendQuitGroupMessage
 984             if (existingRemoveMembers.size() > 0) {
 985                 var groupGroupChangePair = groupV2Helper.removeMembers(group, existingRemoveMembers);
 986                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 987             }
 988
 989             var pendingRemoveMembers = new HashSet<>(removeMembers);
 990             pendingRemoveMembers.retainAll(group.getPendingMembers());
 991             if (pendingRemoveMembers.size() > 0) {
 992                 var groupGroupChangePair = groupV2Helper.revokeInvitedMembers(group, pendingRemoveMembers);
 993                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 994             }
 995         }
 996
 997         if (admins != null) {
 998             final var newAdmins = new HashSet<>(admins);
 999             newAdmins.retainAll(group.getMembers());
1000             newAdmins.removeAll(group.getAdminMembers());
1001             if (newAdmins.size() > 0) {
1002                 for (var admin : newAdmins) {
1003                     var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, true);
1004                     result = sendUpdateGroupV2Message(group,
1005                             groupGroupChangePair.first(),
1006                             groupGroupChangePair.second());
1007                 }
1008             }
1009         }
1010
1011         if (removeAdmins != null) {
1012             final var existingRemoveAdmins = new HashSet<>(removeAdmins);
1013             existingRemoveAdmins.retainAll(group.getAdminMembers());
1014             if (existingRemoveAdmins.size() > 0) {
1015                 for (var admin : existingRemoveAdmins) {
1016                     var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, false);
1017                     result = sendUpdateGroupV2Message(group,
1018                             groupGroupChangePair.first(),
1019                             groupGroupChangePair.second());
1020                 }
1021             }
1022         }
1023
1024         if (resetGroupLink) {
1025             var groupGroupChangePair = groupV2Helper.resetGroupLinkPassword(group);
1026             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1027         }
1028
1029         if (groupLinkState != null) {
1030             var groupGroupChangePair = groupV2Helper.setGroupLinkState(group, groupLinkState);
1031             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1032         }
1033
1034         if (addMemberPermission != null) {
1035             var groupGroupChangePair = groupV2Helper.setAddMemberPermission(group, addMemberPermission);
1036             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1037         }
1038
1039         if (editDetailsPermission != null) {
1040             var groupGroupChangePair = groupV2Helper.setEditDetailsPermission(group, editDetailsPermission);
1041             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1042         }
1043
1044         if (expirationTimer != null) {
1045             var groupGroupChangePair = groupV2Helper.setMessageExpirationTimer(group, expirationTimer);
1046             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1047         }
1048
1049         if (result == null || name != null || description != null || avatarFile != null) {
1050             var groupGroupChangePair = groupV2Helper.updateGroup(group, name, description, avatarFile);
1051             if (avatarFile != null) {
1052                 avatarStore.storeGroupAvatar(group.getGroupId(),
1053                         outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
1054             }
1055             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1056         }
1057
1058         return result;
1059     }
1060
1061     public Pair<GroupId, List<SendMessageResult>> joinGroup(
1062             GroupInviteLinkUrl inviteLinkUrl
1063     ) throws IOException, GroupLinkNotActiveException {
1064         final var groupJoinInfo = groupV2Helper.getDecryptedGroupJoinInfo(inviteLinkUrl.getGroupMasterKey(),
1065                 inviteLinkUrl.getPassword());
1066         final var groupChange = groupV2Helper.joinGroup(inviteLinkUrl.getGroupMasterKey(),
1067                 inviteLinkUrl.getPassword(),
1068                 groupJoinInfo);
1069         final var group = getOrMigrateGroup(inviteLinkUrl.getGroupMasterKey(),
1070                 groupJoinInfo.getRevision() + 1,
1071                 groupChange.toByteArray());
1072
1073         if (group.getGroup() == null) {
1074             // Only requested member, can't send update to group members
1075             return new Pair<>(group.getGroupId(), List.of());
1076         }
1077
1078         final var result = sendUpdateGroupV2Message(group, group.getGroup(), groupChange);
1079
1080         return new Pair<>(group.getGroupId(), result.second());
1081     }
1082
1083     private Pair<Long, List<SendMessageResult>> sendUpdateGroupV2Message(
1084             GroupInfoV2 group, DecryptedGroup newDecryptedGroup, GroupChange groupChange
1085     ) throws IOException {
1086         final var selfRecipientId = account.getSelfRecipientId();
1087         final var members = group.getMembersIncludingPendingWithout(selfRecipientId);
1088         group.setGroup(newDecryptedGroup, this::resolveRecipient);
1089         members.addAll(group.getMembersIncludingPendingWithout(selfRecipientId));
1090
1091         final var messageBuilder = getGroupUpdateMessageBuilder(group, groupChange.toByteArray());
1092         account.getGroupStore().updateGroup(group);
1093         return sendMessage(messageBuilder, members);
1094     }
1095
1096     private static int currentTimeDays() {
1097         return (int) TimeUnit.MILLISECONDS.toDays(System.currentTimeMillis());
1098     }
1099
1100     private GroupsV2AuthorizationString getGroupAuthForToday(
1101             final GroupSecretParams groupSecretParams
1102     ) throws IOException {
1103         final var today = currentTimeDays();
1104         // Returns credentials for the next 7 days
1105         final var credentials = groupsV2Api.getCredentials(today);
1106         // TODO cache credentials until they expire
1107         var authCredentialResponse = credentials.get(today);
1108         try {
1109             return groupsV2Api.getGroupsV2AuthorizationString(account.getUuid(),
1110                     today,
1111                     groupSecretParams,
1112                     authCredentialResponse);
1113         } catch (VerificationFailedException e) {
1114             throw new IOException(e);
1115         }
1116     }
1117
1118     Pair<Long, List<SendMessageResult>> sendGroupInfoMessage(
1119             GroupIdV1 groupId, SignalServiceAddress recipient
1120     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, AttachmentInvalidException {
1121         GroupInfoV1 g;
1122         var group = getGroupForSending(groupId);
1123         if (!(group instanceof GroupInfoV1)) {
1124             throw new RuntimeException("Received an invalid group request for a v2 group!");
1125         }
1126         g = (GroupInfoV1) group;
1127
1128         final var recipientId = resolveRecipient(recipient);
1129         if (!g.isMember(recipientId)) {
1130             throw new NotAGroupMemberException(groupId, g.name);
1131         }
1132
1133         var messageBuilder = getGroupUpdateMessageBuilder(g);
1134
1135         // Send group message only to the recipient who requested it
1136         return sendMessage(messageBuilder, Set.of(recipientId));
1137     }
1138
1139     private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfoV1 g) throws AttachmentInvalidException {
1140         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.UPDATE)
1141                 .withId(g.getGroupId().serialize())
1142                 .withName(g.name)
1143                 .withMembers(g.getMembers()
1144                         .stream()
1145                         .map(this::resolveSignalServiceAddress)
1146                         .collect(Collectors.toList()));
1147
1148         try {
1149             final var attachment = createGroupAvatarAttachment(g.getGroupId());
1150             if (attachment.isPresent()) {
1151                 group.withAvatar(attachment.get());
1152             }
1153         } catch (IOException e) {
1154             throw new AttachmentInvalidException(g.getGroupId().toBase64(), e);
1155         }
1156
1157         return SignalServiceDataMessage.newBuilder()
1158                 .asGroupMessage(group.build())
1159                 .withExpiration(g.getMessageExpirationTime());
1160     }
1161
1162     private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfoV2 g, byte[] signedGroupChange) {
1163         var group = SignalServiceGroupV2.newBuilder(g.getMasterKey())
1164                 .withRevision(g.getGroup().getRevision())
1165                 .withSignedGroupChange(signedGroupChange);
1166         return SignalServiceDataMessage.newBuilder()
1167                 .asGroupMessage(group.build())
1168                 .withExpiration(g.getMessageExpirationTime());
1169     }
1170
1171     Pair<Long, List<SendMessageResult>> sendGroupInfoRequest(
1172             GroupIdV1 groupId, SignalServiceAddress recipient
1173     ) throws IOException {
1174         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.REQUEST_INFO).withId(groupId.serialize());
1175
1176         var messageBuilder = SignalServiceDataMessage.newBuilder().asGroupMessage(group.build());
1177
1178         // Send group info request message to the recipient who sent us a message with this groupId
1179         return sendMessage(messageBuilder, Set.of(resolveRecipient(recipient)));
1180     }
1181
1182     void sendReceipt(
1183             SignalServiceAddress remoteAddress, long messageId
1184     ) throws IOException, UntrustedIdentityException {
1185         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.DELIVERY,
1186                 List.of(messageId),
1187                 System.currentTimeMillis());
1188
1189         createMessageSender().sendReceipt(remoteAddress,
1190                 unidentifiedAccessHelper.getAccessFor(resolveRecipient(remoteAddress)),
1191                 receiptMessage);
1192     }
1193
1194     public Pair<Long, List<SendMessageResult>> sendMessage(
1195             String messageText, List<String> attachments, List<String> recipients
1196     ) throws IOException, AttachmentInvalidException, InvalidNumberException {
1197         final var messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
1198         if (attachments != null) {
1199             var attachmentStreams = AttachmentUtils.getSignalServiceAttachments(attachments);
1200
1201             // Upload attachments here, so we only upload once even for multiple recipients
1202             var messageSender = createMessageSender();
1203             var attachmentPointers = new ArrayList<SignalServiceAttachment>(attachmentStreams.size());
1204             for (var attachment : attachmentStreams) {
1205                 if (attachment.isStream()) {
1206                     attachmentPointers.add(messageSender.uploadAttachment(attachment.asStream()));
1207                 } else if (attachment.isPointer()) {
1208                     attachmentPointers.add(attachment.asPointer());
1209                 }
1210             }
1211
1212             messageBuilder.withAttachments(attachmentPointers);
1213         }
1214         return sendMessage(messageBuilder, getSignalServiceAddresses(recipients));
1215     }
1216
1217     public Pair<Long, SendMessageResult> sendSelfMessage(
1218             String messageText, List<String> attachments
1219     ) throws IOException, AttachmentInvalidException {
1220         final var messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
1221         if (attachments != null) {
1222             messageBuilder.withAttachments(AttachmentUtils.getSignalServiceAttachments(attachments));
1223         }
1224         return sendSelfMessage(messageBuilder);
1225     }
1226
1227     public Pair<Long, List<SendMessageResult>> sendRemoteDeleteMessage(
1228             long targetSentTimestamp, List<String> recipients
1229     ) throws IOException, InvalidNumberException {
1230         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
1231         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
1232         return sendMessage(messageBuilder, getSignalServiceAddresses(recipients));
1233     }
1234
1235     public Pair<Long, List<SendMessageResult>> sendGroupRemoteDeleteMessage(
1236             long targetSentTimestamp, GroupId groupId
1237     ) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1238         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
1239         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
1240         return sendGroupMessage(messageBuilder, groupId);
1241     }
1242
1243     public Pair<Long, List<SendMessageResult>> sendMessageReaction(
1244             String emoji, boolean remove, String targetAuthor, long targetSentTimestamp, List<String> recipients
1245     ) throws IOException, InvalidNumberException {
1246         var targetAuthorRecipientId = canonicalizeAndResolveRecipient(targetAuthor);
1247         var reaction = new SignalServiceDataMessage.Reaction(emoji,
1248                 remove,
1249                 resolveSignalServiceAddress(targetAuthorRecipientId),
1250                 targetSentTimestamp);
1251         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
1252         return sendMessage(messageBuilder, getSignalServiceAddresses(recipients));
1253     }
1254
1255     public Pair<Long, List<SendMessageResult>> sendEndSessionMessage(List<String> recipients) throws IOException, InvalidNumberException {
1256         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
1257
1258         final var signalServiceAddresses = getSignalServiceAddresses(recipients);
1259         try {
1260             return sendMessage(messageBuilder, signalServiceAddresses);
1261         } catch (Exception e) {
1262             for (var address : signalServiceAddresses) {
1263                 handleEndSession(address);
1264             }
1265             throw e;
1266         }
1267     }
1268
1269     void renewSession(RecipientId recipientId) throws IOException {
1270         account.getSessionStore().archiveSessions(recipientId);
1271         if (!recipientId.equals(getSelfRecipientId())) {
1272             sendNullMessage(recipientId);
1273         }
1274     }
1275
1276     public String getContactName(String number) throws InvalidNumberException {
1277         var contact = account.getContactStore().getContact(canonicalizeAndResolveRecipient(number));
1278         return contact == null || contact.getName() == null ? "" : contact.getName();
1279     }
1280
1281     public void setContactName(String number, String name) throws InvalidNumberException, NotMasterDeviceException {
1282         if (!account.isMasterDevice()) {
1283             throw new NotMasterDeviceException();
1284         }
1285         final var recipientId = canonicalizeAndResolveRecipient(number);
1286         var contact = account.getContactStore().getContact(recipientId);
1287         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1288         account.getContactStore().storeContact(recipientId, builder.withName(name).build());
1289     }
1290
1291     public void setContactBlocked(
1292             String number, boolean blocked
1293     ) throws InvalidNumberException, NotMasterDeviceException {
1294         if (!account.isMasterDevice()) {
1295             throw new NotMasterDeviceException();
1296         }
1297         setContactBlocked(canonicalizeAndResolveRecipient(number), blocked);
1298     }
1299
1300     private void setContactBlocked(RecipientId recipientId, boolean blocked) {
1301         var contact = account.getContactStore().getContact(recipientId);
1302         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1303         account.getContactStore().storeContact(recipientId, builder.withBlocked(blocked).build());
1304     }
1305
1306     public void setGroupBlocked(final GroupId groupId, final boolean blocked) throws GroupNotFoundException {
1307         var group = getGroup(groupId);
1308         if (group == null) {
1309             throw new GroupNotFoundException(groupId);
1310         }
1311
1312         group.setBlocked(blocked);
1313         account.getGroupStore().updateGroup(group);
1314     }
1315
1316     private void setExpirationTimer(RecipientId recipientId, int messageExpirationTimer) {
1317         var contact = account.getContactStore().getContact(recipientId);
1318         if (contact != null && contact.getMessageExpirationTime() == messageExpirationTimer) {
1319             return;
1320         }
1321         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1322         account.getContactStore()
1323                 .storeContact(recipientId, builder.withMessageExpirationTime(messageExpirationTimer).build());
1324     }
1325
1326     private void sendExpirationTimerUpdate(RecipientId recipientId) throws IOException {
1327         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
1328         sendMessage(messageBuilder, Set.of(recipientId));
1329     }
1330
1331     /**
1332      * Change the expiration timer for a contact
1333      */
1334     public void setExpirationTimer(
1335             String number, int messageExpirationTimer
1336     ) throws IOException, InvalidNumberException {
1337         var recipientId = canonicalizeAndResolveRecipient(number);
1338         setExpirationTimer(recipientId, messageExpirationTimer);
1339         sendExpirationTimerUpdate(recipientId);
1340     }
1341
1342     /**
1343      * Change the expiration timer for a group
1344      */
1345     private void setExpirationTimer(
1346             GroupInfoV1 groupInfoV1, int messageExpirationTimer
1347     ) throws NotAGroupMemberException, GroupNotFoundException, IOException {
1348         groupInfoV1.messageExpirationTime = messageExpirationTimer;
1349         account.getGroupStore().updateGroup(groupInfoV1);
1350         sendExpirationTimerUpdate(groupInfoV1.getGroupId());
1351     }
1352
1353     private void sendExpirationTimerUpdate(GroupIdV1 groupId) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1354         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
1355         sendGroupMessage(messageBuilder, groupId);
1356     }
1357
1358     /**
1359      * Upload the sticker pack from path.
1360      *
1361      * @param path Path can be a path to a manifest.json file or to a zip file that contains a manifest.json file
1362      * @return if successful, returns the URL to install the sticker pack in the signal app
1363      */
1364     public String uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
1365         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
1366
1367         var messageSender = createMessageSender();
1368
1369         var packKey = KeyUtils.createStickerUploadKey();
1370         var packId = messageSender.uploadStickerManifest(manifest, packKey);
1371
1372         var sticker = new Sticker(StickerPackId.deserialize(Hex.fromStringCondensed(packId)), packKey);
1373         account.getStickerStore().updateSticker(sticker);
1374
1375         try {
1376             return new URI("https",
1377                     "signal.art",
1378                     "/addstickers/",
1379                     "pack_id=" + URLEncoder.encode(packId, StandardCharsets.UTF_8) + "&pack_key=" + URLEncoder.encode(
1380                             Hex.toStringCondensed(packKey),
1381                             StandardCharsets.UTF_8)).toString();
1382         } catch (URISyntaxException e) {
1383             throw new AssertionError(e);
1384         }
1385     }
1386
1387     public void requestAllSyncData() throws IOException {
1388         requestSyncGroups();
1389         requestSyncContacts();
1390         requestSyncBlocked();
1391         requestSyncConfiguration();
1392         requestSyncKeys();
1393     }
1394
1395     private void requestSyncGroups() throws IOException {
1396         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1397                 .setType(SignalServiceProtos.SyncMessage.Request.Type.GROUPS)
1398                 .build();
1399         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1400         try {
1401             sendSyncMessage(message);
1402         } catch (UntrustedIdentityException e) {
1403             throw new AssertionError(e);
1404         }
1405     }
1406
1407     private void requestSyncContacts() throws IOException {
1408         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1409                 .setType(SignalServiceProtos.SyncMessage.Request.Type.CONTACTS)
1410                 .build();
1411         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1412         try {
1413             sendSyncMessage(message);
1414         } catch (UntrustedIdentityException e) {
1415             throw new AssertionError(e);
1416         }
1417     }
1418
1419     private void requestSyncBlocked() throws IOException {
1420         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1421                 .setType(SignalServiceProtos.SyncMessage.Request.Type.BLOCKED)
1422                 .build();
1423         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1424         try {
1425             sendSyncMessage(message);
1426         } catch (UntrustedIdentityException e) {
1427             throw new AssertionError(e);
1428         }
1429     }
1430
1431     private void requestSyncConfiguration() throws IOException {
1432         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1433                 .setType(SignalServiceProtos.SyncMessage.Request.Type.CONFIGURATION)
1434                 .build();
1435         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1436         try {
1437             sendSyncMessage(message);
1438         } catch (UntrustedIdentityException e) {
1439             throw new AssertionError(e);
1440         }
1441     }
1442
1443     private void requestSyncKeys() throws IOException {
1444         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1445                 .setType(SignalServiceProtos.SyncMessage.Request.Type.KEYS)
1446                 .build();
1447         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1448         try {
1449             sendSyncMessage(message);
1450         } catch (UntrustedIdentityException e) {
1451             throw new AssertionError(e);
1452         }
1453     }
1454
1455     private byte[] getSenderCertificate() {
1456         byte[] certificate;
1457         try {
1458             if (account.isPhoneNumberShared()) {
1459                 certificate = accountManager.getSenderCertificate();
1460             } else {
1461                 certificate = accountManager.getSenderCertificateForPhoneNumberPrivacy();
1462             }
1463         } catch (IOException e) {
1464             logger.warn("Failed to get sender certificate, ignoring: {}", e.getMessage());
1465             return null;
1466         }
1467         // TODO cache for a day
1468         return certificate;
1469     }
1470
1471     private void sendSyncMessage(SignalServiceSyncMessage message) throws IOException, UntrustedIdentityException {
1472         var messageSender = createMessageSender();
1473         messageSender.sendMessage(message, unidentifiedAccessHelper.getAccessForSync());
1474     }
1475
1476     private Set<RecipientId> getSignalServiceAddresses(Collection<String> numbers) throws InvalidNumberException {
1477         final var signalServiceAddresses = new HashSet<SignalServiceAddress>(numbers.size());
1478         final var addressesMissingUuid = new HashSet<SignalServiceAddress>();
1479
1480         for (var number : numbers) {
1481             final var resolvedAddress = resolveSignalServiceAddress(canonicalizeAndResolveRecipient(number));
1482             if (resolvedAddress.getUuid().isPresent()) {
1483                 signalServiceAddresses.add(resolvedAddress);
1484             } else {
1485                 addressesMissingUuid.add(resolvedAddress);
1486             }
1487         }
1488
1489         final var numbersMissingUuid = addressesMissingUuid.stream()
1490                 .map(a -> a.getNumber().get())
1491                 .collect(Collectors.toSet());
1492         Map<String, UUID> registeredUsers;
1493         try {
1494             registeredUsers = getRegisteredUsers(numbersMissingUuid);
1495         } catch (IOException e) {
1496             logger.warn("Failed to resolve uuids from server, ignoring: {}", e.getMessage());
1497             registeredUsers = Map.of();
1498         }
1499
1500         for (var address : addressesMissingUuid) {
1501             final var number = address.getNumber().get();
1502             if (registeredUsers.containsKey(number)) {
1503                 final var newAddress = resolveSignalServiceAddress(resolveRecipientTrusted(new SignalServiceAddress(
1504                         registeredUsers.get(number),
1505                         number)));
1506                 signalServiceAddresses.add(newAddress);
1507             } else {
1508                 signalServiceAddresses.add(address);
1509             }
1510         }
1511
1512         return signalServiceAddresses.stream().map(this::resolveRecipient).collect(Collectors.toSet());
1513     }
1514
1515     private RecipientId refreshRegisteredUser(RecipientId recipientId) throws IOException {
1516         final var address = resolveSignalServiceAddress(recipientId);
1517         if (!address.getNumber().isPresent()) {
1518             return recipientId;
1519         }
1520         final var number = address.getNumber().get();
1521         final var uuidMap = getRegisteredUsers(Set.of(number));
1522         return resolveRecipientTrusted(new SignalServiceAddress(uuidMap.getOrDefault(number, null), number));
1523     }
1524
1525     private Map<String, UUID> getRegisteredUsers(final Set<String> numbers) throws IOException {
1526         try {
1527             return accountManager.getRegisteredUsers(ServiceConfig.getIasKeyStore(),
1528                     numbers,
1529                     serviceEnvironmentConfig.getCdsMrenclave());
1530         } catch (Quote.InvalidQuoteFormatException | UnauthenticatedQuoteException | SignatureException | UnauthenticatedResponseException | InvalidKeyException e) {
1531             throw new IOException(e);
1532         }
1533     }
1534
1535     private Pair<Long, List<SendMessageResult>> sendMessage(
1536             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientId> recipientIds
1537     ) throws IOException {
1538         final var timestamp = System.currentTimeMillis();
1539         messageBuilder.withTimestamp(timestamp);
1540         getOrCreateMessagePipe();
1541         getOrCreateUnidentifiedMessagePipe();
1542         SignalServiceDataMessage message = null;
1543         try {
1544             message = messageBuilder.build();
1545             if (message.getGroupContext().isPresent()) {
1546                 try {
1547                     var messageSender = createMessageSender();
1548                     final var isRecipientUpdate = false;
1549                     final var recipientIdList = new ArrayList<>(recipientIds);
1550                     final var addresses = recipientIdList.stream()
1551                             .map(this::resolveSignalServiceAddress)
1552                             .collect(Collectors.toList());
1553                     var result = messageSender.sendMessage(addresses,
1554                             unidentifiedAccessHelper.getAccessFor(recipientIdList),
1555                             isRecipientUpdate,
1556                             message);
1557
1558                     for (var r : result) {
1559                         if (r.getIdentityFailure() != null) {
1560                             final var recipientId = resolveRecipient(r.getAddress());
1561                             final var newIdentity = account.getIdentityKeyStore()
1562                                     .saveIdentity(recipientId, r.getIdentityFailure().getIdentityKey(), new Date());
1563                             if (newIdentity) {
1564                                 account.getSessionStore().archiveSessions(recipientId);
1565                             }
1566                         }
1567                     }
1568
1569                     return new Pair<>(timestamp, result);
1570                 } catch (UntrustedIdentityException e) {
1571                     return new Pair<>(timestamp, List.of());
1572                 }
1573             } else {
1574                 // Send to all individually, so sync messages are sent correctly
1575                 messageBuilder.withProfileKey(account.getProfileKey().serialize());
1576                 var results = new ArrayList<SendMessageResult>(recipientIds.size());
1577                 for (var recipientId : recipientIds) {
1578                     final var contact = account.getContactStore().getContact(recipientId);
1579                     final var expirationTime = contact != null ? contact.getMessageExpirationTime() : 0;
1580                     messageBuilder.withExpiration(expirationTime);
1581                     message = messageBuilder.build();
1582                     results.add(sendMessage(recipientId, message));
1583                 }
1584                 return new Pair<>(timestamp, results);
1585             }
1586         } finally {
1587             if (message != null && message.isEndSession()) {
1588                 for (var recipient : recipientIds) {
1589                     handleEndSession(recipient);
1590                 }
1591             }
1592         }
1593     }
1594
1595     private Pair<Long, SendMessageResult> sendSelfMessage(
1596             SignalServiceDataMessage.Builder messageBuilder
1597     ) throws IOException {
1598         final var timestamp = System.currentTimeMillis();
1599         messageBuilder.withTimestamp(timestamp);
1600         getOrCreateMessagePipe();
1601         getOrCreateUnidentifiedMessagePipe();
1602         final var recipientId = account.getSelfRecipientId();
1603
1604         final var contact = account.getContactStore().getContact(recipientId);
1605         final var expirationTime = contact != null ? contact.getMessageExpirationTime() : 0;
1606         messageBuilder.withExpiration(expirationTime);
1607
1608         var message = messageBuilder.build();
1609         final var result = sendSelfMessage(message);
1610         return new Pair<>(timestamp, result);
1611     }
1612
1613     private SendMessageResult sendSelfMessage(SignalServiceDataMessage message) throws IOException {
1614         var messageSender = createMessageSender();
1615
1616         var recipientId = account.getSelfRecipientId();
1617
1618         final var unidentifiedAccess = unidentifiedAccessHelper.getAccessFor(recipientId);
1619         var recipient = resolveSignalServiceAddress(recipientId);
1620         var transcript = new SentTranscriptMessage(Optional.of(recipient),
1621                 message.getTimestamp(),
1622                 message,
1623                 message.getExpiresInSeconds(),
1624                 Map.of(recipient, unidentifiedAccess.isPresent()),
1625                 false);
1626         var syncMessage = SignalServiceSyncMessage.forSentTranscript(transcript);
1627
1628         try {
1629             var startTime = System.currentTimeMillis();
1630             messageSender.sendMessage(syncMessage, unidentifiedAccess);
1631             return SendMessageResult.success(recipient,
1632                     unidentifiedAccess.isPresent(),
1633                     false,
1634                     System.currentTimeMillis() - startTime);
1635         } catch (UntrustedIdentityException e) {
1636             return SendMessageResult.identityFailure(recipient, e.getIdentityKey());
1637         }
1638     }
1639
1640     private SendMessageResult sendMessage(
1641             RecipientId recipientId, SignalServiceDataMessage message
1642     ) throws IOException {
1643         var messageSender = createMessageSender();
1644
1645         final var address = resolveSignalServiceAddress(recipientId);
1646         try {
1647             try {
1648                 return messageSender.sendMessage(address, unidentifiedAccessHelper.getAccessFor(recipientId), message);
1649             } catch (UnregisteredUserException e) {
1650                 final var newRecipientId = refreshRegisteredUser(recipientId);
1651                 return messageSender.sendMessage(resolveSignalServiceAddress(newRecipientId),
1652                         unidentifiedAccessHelper.getAccessFor(newRecipientId),
1653                         message);
1654             }
1655         } catch (UntrustedIdentityException e) {
1656             return SendMessageResult.identityFailure(address, e.getIdentityKey());
1657         }
1658     }
1659
1660     private SendMessageResult sendNullMessage(RecipientId recipientId) throws IOException {
1661         var messageSender = createMessageSender();
1662
1663         final var address = resolveSignalServiceAddress(recipientId);
1664         try {
1665             try {
1666                 return messageSender.sendNullMessage(address, unidentifiedAccessHelper.getAccessFor(recipientId));
1667             } catch (UnregisteredUserException e) {
1668                 final var newRecipientId = refreshRegisteredUser(recipientId);
1669                 final var newAddress = resolveSignalServiceAddress(newRecipientId);
1670                 return messageSender.sendNullMessage(newAddress, unidentifiedAccessHelper.getAccessFor(newRecipientId));
1671             }
1672         } catch (UntrustedIdentityException e) {
1673             return SendMessageResult.identityFailure(address, e.getIdentityKey());
1674         }
1675     }
1676
1677     private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) throws InvalidMetadataMessageException, ProtocolInvalidMessageException, ProtocolDuplicateMessageException, ProtocolLegacyMessageException, ProtocolInvalidKeyIdException, InvalidMetadataVersionException, ProtocolInvalidVersionException, ProtocolNoSessionException, ProtocolInvalidKeyException, SelfSendException, UnsupportedDataMessageException, ProtocolUntrustedIdentityException {
1678         var cipher = new SignalServiceCipher(account.getSelfAddress(),
1679                 account.getSignalProtocolStore(),
1680                 sessionLock,
1681                 certificateValidator);
1682         return cipher.decrypt(envelope);
1683     }
1684
1685     private void handleEndSession(RecipientId recipientId) {
1686         account.getSessionStore().deleteAllSessions(recipientId);
1687     }
1688
1689     private List<HandleAction> handleSignalServiceDataMessage(
1690             SignalServiceDataMessage message,
1691             boolean isSync,
1692             SignalServiceAddress source,
1693             SignalServiceAddress destination,
1694             boolean ignoreAttachments
1695     ) {
1696         var actions = new ArrayList<HandleAction>();
1697         if (message.getGroupContext().isPresent()) {
1698             if (message.getGroupContext().get().getGroupV1().isPresent()) {
1699                 var groupInfo = message.getGroupContext().get().getGroupV1().get();
1700                 var groupId = GroupId.v1(groupInfo.getGroupId());
1701                 var group = getGroup(groupId);
1702                 if (group == null || group instanceof GroupInfoV1) {
1703                     var groupV1 = (GroupInfoV1) group;
1704                     switch (groupInfo.getType()) {
1705                         case UPDATE: {
1706                             if (groupV1 == null) {
1707                                 groupV1 = new GroupInfoV1(groupId);
1708                             }
1709
1710                             if (groupInfo.getAvatar().isPresent()) {
1711                                 var avatar = groupInfo.getAvatar().get();
1712                                 downloadGroupAvatar(avatar, groupV1.getGroupId());
1713                             }
1714
1715                             if (groupInfo.getName().isPresent()) {
1716                                 groupV1.name = groupInfo.getName().get();
1717                             }
1718
1719                             if (groupInfo.getMembers().isPresent()) {
1720                                 groupV1.addMembers(groupInfo.getMembers()
1721                                         .get()
1722                                         .stream()
1723                                         .map(this::resolveRecipient)
1724                                         .collect(Collectors.toSet()));
1725                             }
1726
1727                             account.getGroupStore().updateGroup(groupV1);
1728                             break;
1729                         }
1730                         case DELIVER:
1731                             if (groupV1 == null && !isSync) {
1732                                 actions.add(new SendGroupInfoRequestAction(source, groupId));
1733                             }
1734                             break;
1735                         case QUIT: {
1736                             if (groupV1 != null) {
1737                                 groupV1.removeMember(resolveRecipient(source));
1738                                 account.getGroupStore().updateGroup(groupV1);
1739                             }
1740                             break;
1741                         }
1742                         case REQUEST_INFO:
1743                             if (groupV1 != null && !isSync) {
1744                                 actions.add(new SendGroupInfoAction(source, groupV1.getGroupId()));
1745                             }
1746                             break;
1747                     }
1748                 } else {
1749                     // Received a group v1 message for a v2 group
1750                 }
1751             }
1752             if (message.getGroupContext().get().getGroupV2().isPresent()) {
1753                 final var groupContext = message.getGroupContext().get().getGroupV2().get();
1754                 final var groupMasterKey = groupContext.getMasterKey();
1755
1756                 getOrMigrateGroup(groupMasterKey,
1757                         groupContext.getRevision(),
1758                         groupContext.hasSignedGroupChange() ? groupContext.getSignedGroupChange() : null);
1759             }
1760         }
1761
1762         final var conversationPartnerAddress = isSync ? destination : source;
1763         if (conversationPartnerAddress != null && message.isEndSession()) {
1764             handleEndSession(resolveRecipient(conversationPartnerAddress));
1765         }
1766         if (message.isExpirationUpdate() || message.getBody().isPresent()) {
1767             if (message.getGroupContext().isPresent()) {
1768                 if (message.getGroupContext().get().getGroupV1().isPresent()) {
1769                     var groupInfo = message.getGroupContext().get().getGroupV1().get();
1770                     var group = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(groupInfo.getGroupId()));
1771                     if (group != null) {
1772                         if (group.messageExpirationTime != message.getExpiresInSeconds()) {
1773                             group.messageExpirationTime = message.getExpiresInSeconds();
1774                             account.getGroupStore().updateGroup(group);
1775                         }
1776                     }
1777                 } else if (message.getGroupContext().get().getGroupV2().isPresent()) {
1778                     // disappearing message timer already stored in the DecryptedGroup
1779                 }
1780             } else if (conversationPartnerAddress != null) {
1781                 setExpirationTimer(resolveRecipient(conversationPartnerAddress), message.getExpiresInSeconds());
1782             }
1783         }
1784         if (!ignoreAttachments) {
1785             if (message.getAttachments().isPresent()) {
1786                 for (var attachment : message.getAttachments().get()) {
1787                     downloadAttachment(attachment);
1788                 }
1789             }
1790             if (message.getSharedContacts().isPresent()) {
1791                 for (var contact : message.getSharedContacts().get()) {
1792                     if (contact.getAvatar().isPresent()) {
1793                         downloadAttachment(contact.getAvatar().get().getAttachment());
1794                     }
1795                 }
1796             }
1797         }
1798         if (message.getProfileKey().isPresent() && message.getProfileKey().get().length == 32) {
1799             final ProfileKey profileKey;
1800             try {
1801                 profileKey = new ProfileKey(message.getProfileKey().get());
1802             } catch (InvalidInputException e) {
1803                 throw new AssertionError(e);
1804             }
1805             if (source.matches(account.getSelfAddress())) {
1806                 this.account.setProfileKey(profileKey);
1807             }
1808             this.account.getProfileStore().storeProfileKey(resolveRecipient(source), profileKey);
1809         }
1810         if (message.getPreviews().isPresent()) {
1811             final var previews = message.getPreviews().get();
1812             for (var preview : previews) {
1813                 if (preview.getImage().isPresent()) {
1814                     downloadAttachment(preview.getImage().get());
1815                 }
1816             }
1817         }
1818         if (message.getQuote().isPresent()) {
1819             final var quote = message.getQuote().get();
1820
1821             for (var quotedAttachment : quote.getAttachments()) {
1822                 final var thumbnail = quotedAttachment.getThumbnail();
1823                 if (thumbnail != null) {
1824                     downloadAttachment(thumbnail);
1825                 }
1826             }
1827         }
1828         if (message.getSticker().isPresent()) {
1829             final var messageSticker = message.getSticker().get();
1830             final var stickerPackId = StickerPackId.deserialize(messageSticker.getPackId());
1831             var sticker = account.getStickerStore().getSticker(stickerPackId);
1832             if (sticker == null) {
1833                 sticker = new Sticker(stickerPackId, messageSticker.getPackKey());
1834                 account.getStickerStore().updateSticker(sticker);
1835             }
1836         }
1837         return actions;
1838     }
1839
1840     private GroupInfoV2 getOrMigrateGroup(
1841             final GroupMasterKey groupMasterKey, final int revision, final byte[] signedGroupChange
1842     ) {
1843         final var groupSecretParams = GroupSecretParams.deriveFromMasterKey(groupMasterKey);
1844
1845         var groupId = GroupUtils.getGroupIdV2(groupSecretParams);
1846         var groupInfo = getGroup(groupId);
1847         final GroupInfoV2 groupInfoV2;
1848         if (groupInfo instanceof GroupInfoV1) {
1849             // Received a v2 group message for a v1 group, we need to locally migrate the group
1850             account.getGroupStore().deleteGroupV1(((GroupInfoV1) groupInfo).getGroupId());
1851             groupInfoV2 = new GroupInfoV2(groupId, groupMasterKey);
1852             logger.info("Locally migrated group {} to group v2, id: {}",
1853                     groupInfo.getGroupId().toBase64(),
1854                     groupInfoV2.getGroupId().toBase64());
1855         } else if (groupInfo instanceof GroupInfoV2) {
1856             groupInfoV2 = (GroupInfoV2) groupInfo;
1857         } else {
1858             groupInfoV2 = new GroupInfoV2(groupId, groupMasterKey);
1859         }
1860
1861         if (groupInfoV2.getGroup() == null || groupInfoV2.getGroup().getRevision() < revision) {
1862             DecryptedGroup group = null;
1863             if (signedGroupChange != null
1864                     && groupInfoV2.getGroup() != null
1865                     && groupInfoV2.getGroup().getRevision() + 1 == revision) {
1866                 group = groupV2Helper.getUpdatedDecryptedGroup(groupInfoV2.getGroup(),
1867                         signedGroupChange,
1868                         groupMasterKey);
1869             }
1870             if (group == null) {
1871                 group = groupV2Helper.getDecryptedGroup(groupSecretParams);
1872             }
1873             if (group != null) {
1874                 storeProfileKeysFromMembers(group);
1875                 final var avatar = group.getAvatar();
1876                 if (avatar != null && !avatar.isEmpty()) {
1877                     downloadGroupAvatar(groupId, groupSecretParams, avatar);
1878                 }
1879             }
1880             groupInfoV2.setGroup(group, this::resolveRecipient);
1881             account.getGroupStore().updateGroup(groupInfoV2);
1882         }
1883
1884         return groupInfoV2;
1885     }
1886
1887     private void storeProfileKeysFromMembers(final DecryptedGroup group) {
1888         for (var member : group.getMembersList()) {
1889             final var uuid = UuidUtil.parseOrThrow(member.getUuid().toByteArray());
1890             final var recipientId = account.getRecipientStore().resolveRecipient(uuid);
1891             try {
1892                 account.getProfileStore()
1893                         .storeProfileKey(recipientId, new ProfileKey(member.getProfileKey().toByteArray()));
1894             } catch (InvalidInputException ignored) {
1895             }
1896         }
1897     }
1898
1899     private void retryFailedReceivedMessages(ReceiveMessageHandler handler, boolean ignoreAttachments) {
1900         Set<HandleAction> queuedActions = new HashSet<>();
1901         for (var cachedMessage : account.getMessageCache().getCachedMessages()) {
1902             var actions = retryFailedReceivedMessage(handler, ignoreAttachments, cachedMessage);
1903             if (actions != null) {
1904                 queuedActions.addAll(actions);
1905             }
1906         }
1907         for (var action : queuedActions) {
1908             try {
1909                 action.execute(this);
1910             } catch (Throwable e) {
1911                 logger.warn("Message action failed.", e);
1912             }
1913         }
1914     }
1915
1916     private List<HandleAction> retryFailedReceivedMessage(
1917             final ReceiveMessageHandler handler, final boolean ignoreAttachments, final CachedMessage cachedMessage
1918     ) {
1919         var envelope = cachedMessage.loadEnvelope();
1920         if (envelope == null) {
1921             return null;
1922         }
1923         SignalServiceContent content = null;
1924         List<HandleAction> actions = null;
1925         if (!envelope.isReceipt()) {
1926             try {
1927                 content = decryptMessage(envelope);
1928             } catch (ProtocolUntrustedIdentityException e) {
1929                 if (!envelope.hasSource()) {
1930                     final var identifier = e.getSender();
1931                     final var recipientId = resolveRecipient(identifier);
1932                     try {
1933                         account.getMessageCache().replaceSender(cachedMessage, recipientId);
1934                     } catch (IOException ioException) {
1935                         logger.warn("Failed to move cached message to recipient folder: {}", ioException.getMessage());
1936                     }
1937                 }
1938                 return null;
1939             } catch (Exception er) {
1940                 // All other errors are not recoverable, so delete the cached message
1941                 cachedMessage.delete();
1942                 return null;
1943             }
1944             actions = handleMessage(envelope, content, ignoreAttachments);
1945         }
1946         handler.handleMessage(envelope, content, null);
1947         cachedMessage.delete();
1948         return actions;
1949     }
1950
1951     public void receiveMessages(
1952             long timeout,
1953             TimeUnit unit,
1954             boolean returnOnTimeout,
1955             boolean ignoreAttachments,
1956             ReceiveMessageHandler handler
1957     ) throws IOException {
1958         retryFailedReceivedMessages(handler, ignoreAttachments);
1959
1960         Set<HandleAction> queuedActions = null;
1961
1962         final var messagePipe = getOrCreateMessagePipe();
1963
1964         var hasCaughtUpWithOldMessages = false;
1965
1966         while (true) {
1967             SignalServiceEnvelope envelope;
1968             SignalServiceContent content = null;
1969             Exception exception = null;
1970             final CachedMessage[] cachedMessage = {null};
1971             try {
1972                 var result = messagePipe.readOrEmpty(timeout, unit, envelope1 -> {
1973                     final var recipientId = envelope1.hasSource()
1974                             ? resolveRecipient(envelope1.getSourceIdentifier())
1975                             : null;
1976                     // store message on disk, before acknowledging receipt to the server
1977                     cachedMessage[0] = account.getMessageCache().cacheMessage(envelope1, recipientId);
1978                 });
1979                 if (result.isPresent()) {
1980                     envelope = result.get();
1981                 } else {
1982                     // Received indicator that server queue is empty
1983                     hasCaughtUpWithOldMessages = true;
1984
1985                     if (queuedActions != null) {
1986                         for (var action : queuedActions) {
1987                             try {
1988                                 action.execute(this);
1989                             } catch (Throwable e) {
1990                                 logger.warn("Message action failed.", e);
1991                             }
1992                         }
1993                         queuedActions.clear();
1994                         queuedActions = null;
1995                     }
1996
1997                     // Continue to wait another timeout for new messages
1998                     continue;
1999                 }
2000             } catch (TimeoutException e) {
2001                 if (returnOnTimeout) return;
2002                 continue;
2003             }
2004
2005             if (envelope.hasSource()) {
2006                 // Store uuid if we don't have it already
2007                 // address/uuid in envelope is sent by server
2008                 resolveRecipientTrusted(envelope.getSourceAddress());
2009             }
2010             final var notAGroupMember = isNotAGroupMember(envelope, content);
2011             if (!envelope.isReceipt()) {
2012                 try {
2013                     content = decryptMessage(envelope);
2014                 } catch (Exception e) {
2015                     exception = e;
2016                 }
2017                 if (!envelope.hasSource() && content != null) {
2018                     // Store uuid if we don't have it already
2019                     // address/uuid is validated by unidentified sender certificate
2020                     resolveRecipientTrusted(content.getSender());
2021                 }
2022                 var actions = handleMessage(envelope, content, ignoreAttachments);
2023                 if (exception instanceof ProtocolInvalidMessageException) {
2024                     final var sender = resolveRecipient(((ProtocolInvalidMessageException) exception).getSender());
2025                     logger.debug("Received invalid message, queuing renew session action.");
2026                     actions.add(new RenewSessionAction(sender));
2027                 }
2028                 if (hasCaughtUpWithOldMessages) {
2029                     for (var action : actions) {
2030                         try {
2031                             action.execute(this);
2032                         } catch (Throwable e) {
2033                             logger.warn("Message action failed.", e);
2034                         }
2035                     }
2036                 } else {
2037                     if (queuedActions == null) {
2038                         queuedActions = new HashSet<>();
2039                     }
2040                     queuedActions.addAll(actions);
2041                 }
2042             }
2043             if (isMessageBlocked(envelope, content)) {
2044                 logger.info("Ignoring a message from blocked user/group: {}", envelope.getTimestamp());
2045             } else if (notAGroupMember) {
2046                 logger.info("Ignoring a message from a non group member: {}", envelope.getTimestamp());
2047             } else {
2048                 handler.handleMessage(envelope, content, exception);
2049             }
2050             if (cachedMessage[0] != null) {
2051                 if (exception instanceof ProtocolUntrustedIdentityException) {
2052                     final var identifier = ((ProtocolUntrustedIdentityException) exception).getSender();
2053                     final var recipientId = resolveRecipient(identifier);
2054                     queuedActions.add(new RetrieveProfileAction(recipientId));
2055                     if (!envelope.hasSource()) {
2056                         try {
2057                             cachedMessage[0] = account.getMessageCache().replaceSender(cachedMessage[0], recipientId);
2058                         } catch (IOException ioException) {
2059                             logger.warn("Failed to move cached message to recipient folder: {}",
2060                                     ioException.getMessage());
2061                         }
2062                     }
2063                 } else {
2064                     cachedMessage[0].delete();
2065                 }
2066             }
2067         }
2068     }
2069
2070     private boolean isMessageBlocked(
2071             SignalServiceEnvelope envelope, SignalServiceContent content
2072     ) {
2073         SignalServiceAddress source;
2074         if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2075             source = envelope.getSourceAddress();
2076         } else if (content != null) {
2077             source = content.getSender();
2078         } else {
2079             return false;
2080         }
2081         final var recipientId = resolveRecipient(source);
2082         if (isContactBlocked(recipientId)) {
2083             return true;
2084         }
2085
2086         if (content != null && content.getDataMessage().isPresent()) {
2087             var message = content.getDataMessage().get();
2088             if (message.getGroupContext().isPresent()) {
2089                 var groupId = GroupUtils.getGroupId(message.getGroupContext().get());
2090                 var group = getGroup(groupId);
2091                 if (group != null && group.isBlocked()) {
2092                     return true;
2093                 }
2094             }
2095         }
2096         return false;
2097     }
2098
2099     public boolean isContactBlocked(final String identifier) throws InvalidNumberException {
2100         final var recipientId = canonicalizeAndResolveRecipient(identifier);
2101         return isContactBlocked(recipientId);
2102     }
2103
2104     private boolean isContactBlocked(final RecipientId recipientId) {
2105         var sourceContact = account.getContactStore().getContact(recipientId);
2106         return sourceContact != null && sourceContact.isBlocked();
2107     }
2108
2109     private boolean isNotAGroupMember(
2110             SignalServiceEnvelope envelope, SignalServiceContent content
2111     ) {
2112         SignalServiceAddress source;
2113         if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2114             source = envelope.getSourceAddress();
2115         } else if (content != null) {
2116             source = content.getSender();
2117         } else {
2118             return false;
2119         }
2120
2121         if (content != null && content.getDataMessage().isPresent()) {
2122             var message = content.getDataMessage().get();
2123             if (message.getGroupContext().isPresent()) {
2124                 if (message.getGroupContext().get().getGroupV1().isPresent()) {
2125                     var groupInfo = message.getGroupContext().get().getGroupV1().get();
2126                     if (groupInfo.getType() == SignalServiceGroup.Type.QUIT) {
2127                         return false;
2128                     }
2129                 }
2130                 var groupId = GroupUtils.getGroupId(message.getGroupContext().get());
2131                 var group = getGroup(groupId);
2132                 if (group != null && !group.isMember(resolveRecipient(source))) {
2133                     return true;
2134                 }
2135             }
2136         }
2137         return false;
2138     }
2139
2140     private List<HandleAction> handleMessage(
2141             SignalServiceEnvelope envelope, SignalServiceContent content, boolean ignoreAttachments
2142     ) {
2143         var actions = new ArrayList<HandleAction>();
2144         if (content != null) {
2145             final SignalServiceAddress sender;
2146             if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2147                 sender = envelope.getSourceAddress();
2148             } else {
2149                 sender = content.getSender();
2150             }
2151
2152             if (content.getDataMessage().isPresent()) {
2153                 var message = content.getDataMessage().get();
2154
2155                 if (content.isNeedsReceipt()) {
2156                     actions.add(new SendReceiptAction(sender, message.getTimestamp()));
2157                 }
2158
2159                 actions.addAll(handleSignalServiceDataMessage(message,
2160                         false,
2161                         sender,
2162                         account.getSelfAddress(),
2163                         ignoreAttachments));
2164             }
2165             if (content.getSyncMessage().isPresent()) {
2166                 account.setMultiDevice(true);
2167                 var syncMessage = content.getSyncMessage().get();
2168                 if (syncMessage.getSent().isPresent()) {
2169                     var message = syncMessage.getSent().get();
2170                     final var destination = message.getDestination().orNull();
2171                     actions.addAll(handleSignalServiceDataMessage(message.getMessage(),
2172                             true,
2173                             sender,
2174                             destination,
2175                             ignoreAttachments));
2176                 }
2177                 if (syncMessage.getRequest().isPresent() && account.isMasterDevice()) {
2178                     var rm = syncMessage.getRequest().get();
2179                     if (rm.isContactsRequest()) {
2180                         actions.add(SendSyncContactsAction.create());
2181                     }
2182                     if (rm.isGroupsRequest()) {
2183                         actions.add(SendSyncGroupsAction.create());
2184                     }
2185                     if (rm.isBlockedListRequest()) {
2186                         actions.add(SendSyncBlockedListAction.create());
2187                     }
2188                     // TODO Handle rm.isConfigurationRequest(); rm.isKeysRequest();
2189                 }
2190                 if (syncMessage.getGroups().isPresent()) {
2191                     File tmpFile = null;
2192                     try {
2193                         tmpFile = IOUtils.createTempFile();
2194                         final var groupsMessage = syncMessage.getGroups().get();
2195                         try (var attachmentAsStream = retrieveAttachmentAsStream(groupsMessage.asPointer(), tmpFile)) {
2196                             var s = new DeviceGroupsInputStream(attachmentAsStream);
2197                             DeviceGroup g;
2198                             while ((g = s.read()) != null) {
2199                                 var syncGroup = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(g.getId()));
2200                                 if (syncGroup != null) {
2201                                     if (g.getName().isPresent()) {
2202                                         syncGroup.name = g.getName().get();
2203                                     }
2204                                     syncGroup.addMembers(g.getMembers()
2205                                             .stream()
2206                                             .map(this::resolveRecipient)
2207                                             .collect(Collectors.toSet()));
2208                                     if (!g.isActive()) {
2209                                         syncGroup.removeMember(account.getSelfRecipientId());
2210                                     } else {
2211                                         // Add ourself to the member set as it's marked as active
2212                                         syncGroup.addMembers(List.of(account.getSelfRecipientId()));
2213                                     }
2214                                     syncGroup.blocked = g.isBlocked();
2215                                     if (g.getColor().isPresent()) {
2216                                         syncGroup.color = g.getColor().get();
2217                                     }
2218
2219                                     if (g.getAvatar().isPresent()) {
2220                                         downloadGroupAvatar(g.getAvatar().get(), syncGroup.getGroupId());
2221                                     }
2222                                     syncGroup.archived = g.isArchived();
2223                                     account.getGroupStore().updateGroup(syncGroup);
2224                                 }
2225                             }
2226                         }
2227                     } catch (Exception e) {
2228                         logger.warn("Failed to handle received sync groups “{}”, ignoring: {}",
2229                                 tmpFile,
2230                                 e.getMessage());
2231                     } finally {
2232                         if (tmpFile != null) {
2233                             try {
2234                                 Files.delete(tmpFile.toPath());
2235                             } catch (IOException e) {
2236                                 logger.warn("Failed to delete received groups temp file “{}”, ignoring: {}",
2237                                         tmpFile,
2238                                         e.getMessage());
2239                             }
2240                         }
2241                     }
2242                 }
2243                 if (syncMessage.getBlockedList().isPresent()) {
2244                     final var blockedListMessage = syncMessage.getBlockedList().get();
2245                     for (var address : blockedListMessage.getAddresses()) {
2246                         setContactBlocked(resolveRecipient(address), true);
2247                     }
2248                     for (var groupId : blockedListMessage.getGroupIds()
2249                             .stream()
2250                             .map(GroupId::unknownVersion)
2251                             .collect(Collectors.toSet())) {
2252                         try {
2253                             setGroupBlocked(groupId, true);
2254                         } catch (GroupNotFoundException e) {
2255                             logger.warn("BlockedListMessage contained groupID that was not found in GroupStore: {}",
2256                                     groupId.toBase64());
2257                         }
2258                     }
2259                 }
2260                 if (syncMessage.getContacts().isPresent()) {
2261                     File tmpFile = null;
2262                     try {
2263                         tmpFile = IOUtils.createTempFile();
2264                         final var contactsMessage = syncMessage.getContacts().get();
2265                         try (var attachmentAsStream = retrieveAttachmentAsStream(contactsMessage.getContactsStream()
2266                                 .asPointer(), tmpFile)) {
2267                             var s = new DeviceContactsInputStream(attachmentAsStream);
2268                             DeviceContact c;
2269                             while ((c = s.read()) != null) {
2270                                 if (c.getAddress().matches(account.getSelfAddress()) && c.getProfileKey().isPresent()) {
2271                                     account.setProfileKey(c.getProfileKey().get());
2272                                 }
2273                                 final var recipientId = resolveRecipientTrusted(c.getAddress());
2274                                 var contact = account.getContactStore().getContact(recipientId);
2275                                 final var builder = contact == null
2276                                         ? Contact.newBuilder()
2277                                         : Contact.newBuilder(contact);
2278                                 if (c.getName().isPresent()) {
2279                                     builder.withName(c.getName().get());
2280                                 }
2281                                 if (c.getColor().isPresent()) {
2282                                     builder.withColor(c.getColor().get());
2283                                 }
2284                                 if (c.getProfileKey().isPresent()) {
2285                                     account.getProfileStore().storeProfileKey(recipientId, c.getProfileKey().get());
2286                                 }
2287                                 if (c.getVerified().isPresent()) {
2288                                     final var verifiedMessage = c.getVerified().get();
2289                                     account.getIdentityKeyStore()
2290                                             .setIdentityTrustLevel(resolveRecipientTrusted(verifiedMessage.getDestination()),
2291                                                     verifiedMessage.getIdentityKey(),
2292                                                     TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
2293                                 }
2294                                 if (c.getExpirationTimer().isPresent()) {
2295                                     builder.withMessageExpirationTime(c.getExpirationTimer().get());
2296                                 }
2297                                 builder.withBlocked(c.isBlocked());
2298                                 builder.withArchived(c.isArchived());
2299                                 account.getContactStore().storeContact(recipientId, builder.build());
2300
2301                                 if (c.getAvatar().isPresent()) {
2302                                     downloadContactAvatar(c.getAvatar().get(), c.getAddress());
2303                                 }
2304                             }
2305                         }
2306                     } catch (Exception e) {
2307                         logger.warn("Failed to handle received sync contacts “{}”, ignoring: {}",
2308                                 tmpFile,
2309                                 e.getMessage());
2310                     } finally {
2311                         if (tmpFile != null) {
2312                             try {
2313                                 Files.delete(tmpFile.toPath());
2314                             } catch (IOException e) {
2315                                 logger.warn("Failed to delete received contacts temp file “{}”, ignoring: {}",
2316                                         tmpFile,
2317                                         e.getMessage());
2318                             }
2319                         }
2320                     }
2321                 }
2322                 if (syncMessage.getVerified().isPresent()) {
2323                     final var verifiedMessage = syncMessage.getVerified().get();
2324                     account.getIdentityKeyStore()
2325                             .setIdentityTrustLevel(resolveRecipientTrusted(verifiedMessage.getDestination()),
2326                                     verifiedMessage.getIdentityKey(),
2327                                     TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
2328                 }
2329                 if (syncMessage.getStickerPackOperations().isPresent()) {
2330                     final var stickerPackOperationMessages = syncMessage.getStickerPackOperations().get();
2331                     for (var m : stickerPackOperationMessages) {
2332                         if (!m.getPackId().isPresent()) {
2333                             continue;
2334                         }
2335                         final var stickerPackId = StickerPackId.deserialize(m.getPackId().get());
2336                         var sticker = account.getStickerStore().getSticker(stickerPackId);
2337                         if (sticker == null) {
2338                             if (!m.getPackKey().isPresent()) {
2339                                 continue;
2340                             }
2341                             sticker = new Sticker(stickerPackId, m.getPackKey().get());
2342                         }
2343                         sticker.setInstalled(!m.getType().isPresent()
2344                                 || m.getType().get() == StickerPackOperationMessage.Type.INSTALL);
2345                         account.getStickerStore().updateSticker(sticker);
2346                     }
2347                 }
2348                 if (syncMessage.getFetchType().isPresent()) {
2349                     switch (syncMessage.getFetchType().get()) {
2350                         case LOCAL_PROFILE:
2351                             getRecipientProfile(account.getSelfRecipientId(), true);
2352                         case STORAGE_MANIFEST:
2353                             // TODO
2354                     }
2355                 }
2356                 if (syncMessage.getKeys().isPresent()) {
2357                     final var keysMessage = syncMessage.getKeys().get();
2358                     if (keysMessage.getStorageService().isPresent()) {
2359                         final var storageKey = keysMessage.getStorageService().get();
2360                         account.setStorageKey(storageKey);
2361                     }
2362                 }
2363                 if (syncMessage.getConfiguration().isPresent()) {
2364                     // TODO
2365                 }
2366             }
2367         }
2368         return actions;
2369     }
2370
2371     private void downloadContactAvatar(SignalServiceAttachment avatar, SignalServiceAddress address) {
2372         try {
2373             avatarStore.storeContactAvatar(address, outputStream -> retrieveAttachment(avatar, outputStream));
2374         } catch (IOException e) {
2375             logger.warn("Failed to download avatar for contact {}, ignoring: {}", address, e.getMessage());
2376         }
2377     }
2378
2379     private void downloadGroupAvatar(SignalServiceAttachment avatar, GroupId groupId) {
2380         try {
2381             avatarStore.storeGroupAvatar(groupId, outputStream -> retrieveAttachment(avatar, outputStream));
2382         } catch (IOException e) {
2383             logger.warn("Failed to download avatar for group {}, ignoring: {}", groupId.toBase64(), e.getMessage());
2384         }
2385     }
2386
2387     private void downloadGroupAvatar(GroupId groupId, GroupSecretParams groupSecretParams, String cdnKey) {
2388         try {
2389             avatarStore.storeGroupAvatar(groupId,
2390                     outputStream -> retrieveGroupV2Avatar(groupSecretParams, cdnKey, outputStream));
2391         } catch (IOException e) {
2392             logger.warn("Failed to download avatar for group {}, ignoring: {}", groupId.toBase64(), e.getMessage());
2393         }
2394     }
2395
2396     private void downloadProfileAvatar(
2397             SignalServiceAddress address, String avatarPath, ProfileKey profileKey
2398     ) {
2399         try {
2400             avatarStore.storeProfileAvatar(address,
2401                     outputStream -> retrieveProfileAvatar(avatarPath, profileKey, outputStream));
2402         } catch (Throwable e) {
2403             logger.warn("Failed to download profile avatar, ignoring: {}", e.getMessage());
2404         }
2405     }
2406
2407     public File getAttachmentFile(SignalServiceAttachmentRemoteId attachmentId) {
2408         return attachmentStore.getAttachmentFile(attachmentId);
2409     }
2410
2411     private void downloadAttachment(final SignalServiceAttachment attachment) {
2412         if (!attachment.isPointer()) {
2413             logger.warn("Invalid state, can't store an attachment stream.");
2414         }
2415
2416         var pointer = attachment.asPointer();
2417         if (pointer.getPreview().isPresent()) {
2418             final var preview = pointer.getPreview().get();
2419             try {
2420                 attachmentStore.storeAttachmentPreview(pointer.getRemoteId(),
2421                         outputStream -> outputStream.write(preview, 0, preview.length));
2422             } catch (IOException e) {
2423                 logger.warn("Failed to download attachment preview, ignoring: {}", e.getMessage());
2424             }
2425         }
2426
2427         try {
2428             attachmentStore.storeAttachment(pointer.getRemoteId(),
2429                     outputStream -> retrieveAttachmentPointer(pointer, outputStream));
2430         } catch (IOException e) {
2431             logger.warn("Failed to download attachment ({}), ignoring: {}", pointer.getRemoteId(), e.getMessage());
2432         }
2433     }
2434
2435     private void retrieveGroupV2Avatar(
2436             GroupSecretParams groupSecretParams, String cdnKey, OutputStream outputStream
2437     ) throws IOException {
2438         var groupOperations = groupsV2Operations.forGroup(groupSecretParams);
2439
2440         var tmpFile = IOUtils.createTempFile();
2441         try (InputStream input = messageReceiver.retrieveGroupsV2ProfileAvatar(cdnKey,
2442                 tmpFile,
2443                 ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE)) {
2444             var encryptedData = IOUtils.readFully(input);
2445
2446             var decryptedData = groupOperations.decryptAvatar(encryptedData);
2447             outputStream.write(decryptedData);
2448         } finally {
2449             try {
2450                 Files.delete(tmpFile.toPath());
2451             } catch (IOException e) {
2452                 logger.warn("Failed to delete received group avatar temp file “{}”, ignoring: {}",
2453                         tmpFile,
2454                         e.getMessage());
2455             }
2456         }
2457     }
2458
2459     private void retrieveProfileAvatar(
2460             String avatarPath, ProfileKey profileKey, OutputStream outputStream
2461     ) throws IOException {
2462         var tmpFile = IOUtils.createTempFile();
2463         try (var input = messageReceiver.retrieveProfileAvatar(avatarPath,
2464                 tmpFile,
2465                 profileKey,
2466                 ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE)) {
2467             // Use larger buffer size to prevent AssertionError: Need: 12272 but only have: 8192 ...
2468             IOUtils.copyStream(input, outputStream, (int) ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE);
2469         } finally {
2470             try {
2471                 Files.delete(tmpFile.toPath());
2472             } catch (IOException e) {
2473                 logger.warn("Failed to delete received profile avatar temp file “{}”, ignoring: {}",
2474                         tmpFile,
2475                         e.getMessage());
2476             }
2477         }
2478     }
2479
2480     private void retrieveAttachment(
2481             final SignalServiceAttachment attachment, final OutputStream outputStream
2482     ) throws IOException {
2483         if (attachment.isPointer()) {
2484             var pointer = attachment.asPointer();
2485             retrieveAttachmentPointer(pointer, outputStream);
2486         } else {
2487             var stream = attachment.asStream();
2488             IOUtils.copyStream(stream.getInputStream(), outputStream);
2489         }
2490     }
2491
2492     private void retrieveAttachmentPointer(
2493             SignalServiceAttachmentPointer pointer, OutputStream outputStream
2494     ) throws IOException {
2495         var tmpFile = IOUtils.createTempFile();
2496         try (var input = retrieveAttachmentAsStream(pointer, tmpFile)) {
2497             IOUtils.copyStream(input, outputStream);
2498         } catch (MissingConfigurationException | InvalidMessageException e) {
2499             throw new IOException(e);
2500         } finally {
2501             try {
2502                 Files.delete(tmpFile.toPath());
2503             } catch (IOException e) {
2504                 logger.warn("Failed to delete received attachment temp file “{}”, ignoring: {}",
2505                         tmpFile,
2506                         e.getMessage());
2507             }
2508         }
2509     }
2510
2511     private InputStream retrieveAttachmentAsStream(
2512             SignalServiceAttachmentPointer pointer, File tmpFile
2513     ) throws IOException, InvalidMessageException, MissingConfigurationException {
2514         return messageReceiver.retrieveAttachment(pointer, tmpFile, ServiceConfig.MAX_ATTACHMENT_SIZE);
2515     }
2516
2517     void sendGroups() throws IOException, UntrustedIdentityException {
2518         var groupsFile = IOUtils.createTempFile();
2519
2520         try {
2521             try (OutputStream fos = new FileOutputStream(groupsFile)) {
2522                 var out = new DeviceGroupsOutputStream(fos);
2523                 for (var record : getGroups()) {
2524                     if (record instanceof GroupInfoV1) {
2525                         var groupInfo = (GroupInfoV1) record;
2526                         out.write(new DeviceGroup(groupInfo.getGroupId().serialize(),
2527                                 Optional.fromNullable(groupInfo.name),
2528                                 groupInfo.getMembers()
2529                                         .stream()
2530                                         .map(this::resolveSignalServiceAddress)
2531                                         .collect(Collectors.toList()),
2532                                 createGroupAvatarAttachment(groupInfo.getGroupId()),
2533                                 groupInfo.isMember(account.getSelfRecipientId()),
2534                                 Optional.of(groupInfo.messageExpirationTime),
2535                                 Optional.fromNullable(groupInfo.color),
2536                                 groupInfo.blocked,
2537                                 Optional.absent(),
2538                                 groupInfo.archived));
2539                     }
2540                 }
2541             }
2542
2543             if (groupsFile.exists() && groupsFile.length() > 0) {
2544                 try (var groupsFileStream = new FileInputStream(groupsFile)) {
2545                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
2546                             .withStream(groupsFileStream)
2547                             .withContentType("application/octet-stream")
2548                             .withLength(groupsFile.length())
2549                             .build();
2550
2551                     sendSyncMessage(SignalServiceSyncMessage.forGroups(attachmentStream));
2552                 }
2553             }
2554         } finally {
2555             try {
2556                 Files.delete(groupsFile.toPath());
2557             } catch (IOException e) {
2558                 logger.warn("Failed to delete groups temp file “{}”, ignoring: {}", groupsFile, e.getMessage());
2559             }
2560         }
2561     }
2562
2563     public void sendContacts() throws IOException, UntrustedIdentityException {
2564         var contactsFile = IOUtils.createTempFile();
2565
2566         try {
2567             try (OutputStream fos = new FileOutputStream(contactsFile)) {
2568                 var out = new DeviceContactsOutputStream(fos);
2569                 for (var contactPair : account.getContactStore().getContacts()) {
2570                     final var recipientId = contactPair.first();
2571                     final var contact = contactPair.second();
2572                     final var address = resolveSignalServiceAddress(recipientId);
2573
2574                     var currentIdentity = account.getIdentityKeyStore().getIdentity(recipientId);
2575                     VerifiedMessage verifiedMessage = null;
2576                     if (currentIdentity != null) {
2577                         verifiedMessage = new VerifiedMessage(address,
2578                                 currentIdentity.getIdentityKey(),
2579                                 currentIdentity.getTrustLevel().toVerifiedState(),
2580                                 currentIdentity.getDateAdded().getTime());
2581                     }
2582
2583                     var profileKey = account.getProfileStore().getProfileKey(recipientId);
2584                     out.write(new DeviceContact(address,
2585                             Optional.fromNullable(contact.getName()),
2586                             createContactAvatarAttachment(address),
2587                             Optional.fromNullable(contact.getColor()),
2588                             Optional.fromNullable(verifiedMessage),
2589                             Optional.fromNullable(profileKey),
2590                             contact.isBlocked(),
2591                             Optional.of(contact.getMessageExpirationTime()),
2592                             Optional.absent(),
2593                             contact.isArchived()));
2594                 }
2595
2596                 if (account.getProfileKey() != null) {
2597                     // Send our own profile key as well
2598                     out.write(new DeviceContact(account.getSelfAddress(),
2599                             Optional.absent(),
2600                             Optional.absent(),
2601                             Optional.absent(),
2602                             Optional.absent(),
2603                             Optional.of(account.getProfileKey()),
2604                             false,
2605                             Optional.absent(),
2606                             Optional.absent(),
2607                             false));
2608                 }
2609             }
2610
2611             if (contactsFile.exists() && contactsFile.length() > 0) {
2612                 try (var contactsFileStream = new FileInputStream(contactsFile)) {
2613                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
2614                             .withStream(contactsFileStream)
2615                             .withContentType("application/octet-stream")
2616                             .withLength(contactsFile.length())
2617                             .build();
2618
2619                     sendSyncMessage(SignalServiceSyncMessage.forContacts(new ContactsMessage(attachmentStream, true)));
2620                 }
2621             }
2622         } finally {
2623             try {
2624                 Files.delete(contactsFile.toPath());
2625             } catch (IOException e) {
2626                 logger.warn("Failed to delete contacts temp file “{}”, ignoring: {}", contactsFile, e.getMessage());
2627             }
2628         }
2629     }
2630
2631     void sendBlockedList() throws IOException, UntrustedIdentityException {
2632         var addresses = new ArrayList<SignalServiceAddress>();
2633         for (var record : account.getContactStore().getContacts()) {
2634             if (record.second().isBlocked()) {
2635                 addresses.add(resolveSignalServiceAddress(record.first()));
2636             }
2637         }
2638         var groupIds = new ArrayList<byte[]>();
2639         for (var record : getGroups()) {
2640             if (record.isBlocked()) {
2641                 groupIds.add(record.getGroupId().serialize());
2642             }
2643         }
2644         sendSyncMessage(SignalServiceSyncMessage.forBlocked(new BlockedListMessage(addresses, groupIds)));
2645     }
2646
2647     private void sendVerifiedMessage(
2648             SignalServiceAddress destination, IdentityKey identityKey, TrustLevel trustLevel
2649     ) throws IOException, UntrustedIdentityException {
2650         var verifiedMessage = new VerifiedMessage(destination,
2651                 identityKey,
2652                 trustLevel.toVerifiedState(),
2653                 System.currentTimeMillis());
2654         sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage));
2655     }
2656
2657     public List<Pair<RecipientId, Contact>> getContacts() {
2658         return account.getContactStore().getContacts();
2659     }
2660
2661     public String getContactOrProfileName(String number) throws InvalidNumberException {
2662         final var recipientId = canonicalizeAndResolveRecipient(number);
2663         final var recipient = account.getRecipientStore().getRecipient(recipientId);
2664         if (recipient == null) {
2665             return null;
2666         }
2667
2668         if (recipient.getContact() != null && !Util.isEmpty(recipient.getContact().getName())) {
2669             return recipient.getContact().getName();
2670         }
2671
2672         if (recipient.getProfile() != null && recipient.getProfile() != null) {
2673             return recipient.getProfile().getDisplayName();
2674         }
2675
2676         return null;
2677     }
2678
2679     public GroupInfo getGroup(GroupId groupId) {
2680         final var group = account.getGroupStore().getGroup(groupId);
2681         if (group instanceof GroupInfoV2 && ((GroupInfoV2) group).getGroup() == null) {
2682             final var groupSecretParams = GroupSecretParams.deriveFromMasterKey(((GroupInfoV2) group).getMasterKey());
2683             ((GroupInfoV2) group).setGroup(groupV2Helper.getDecryptedGroup(groupSecretParams), this::resolveRecipient);
2684             account.getGroupStore().updateGroup(group);
2685         }
2686         return group;
2687     }
2688
2689     public List<IdentityInfo> getIdentities() {
2690         return account.getIdentityKeyStore().getIdentities();
2691     }
2692
2693     public List<IdentityInfo> getIdentities(String number) throws InvalidNumberException {
2694         final var identity = account.getIdentityKeyStore().getIdentity(canonicalizeAndResolveRecipient(number));
2695         return identity == null ? List.of() : List.of(identity);
2696     }
2697
2698     /**
2699      * Trust this the identity with this fingerprint
2700      *
2701      * @param name        username of the identity
2702      * @param fingerprint Fingerprint
2703      */
2704     public boolean trustIdentityVerified(String name, byte[] fingerprint) throws InvalidNumberException {
2705         var recipientId = canonicalizeAndResolveRecipient(name);
2706         return trustIdentity(recipientId,
2707                 identityKey -> Arrays.equals(identityKey.serialize(), fingerprint),
2708                 TrustLevel.TRUSTED_VERIFIED);
2709     }
2710
2711     /**
2712      * Trust this the identity with this safety number
2713      *
2714      * @param name         username of the identity
2715      * @param safetyNumber Safety number
2716      */
2717     public boolean trustIdentityVerifiedSafetyNumber(String name, String safetyNumber) throws InvalidNumberException {
2718         var recipientId = canonicalizeAndResolveRecipient(name);
2719         var address = account.getRecipientStore().resolveServiceAddress(recipientId);
2720         return trustIdentity(recipientId,
2721                 identityKey -> safetyNumber.equals(computeSafetyNumber(address, identityKey)),
2722                 TrustLevel.TRUSTED_VERIFIED);
2723     }
2724
2725     /**
2726      * Trust all keys of this identity without verification
2727      *
2728      * @param name username of the identity
2729      */
2730     public boolean trustIdentityAllKeys(String name) throws InvalidNumberException {
2731         var recipientId = canonicalizeAndResolveRecipient(name);
2732         return trustIdentity(recipientId, identityKey -> true, TrustLevel.TRUSTED_UNVERIFIED);
2733     }
2734
2735     private boolean trustIdentity(
2736             RecipientId recipientId, Function<IdentityKey, Boolean> verifier, TrustLevel trustLevel
2737     ) {
2738         var identity = account.getIdentityKeyStore().getIdentity(recipientId);
2739         if (identity == null) {
2740             return false;
2741         }
2742
2743         if (!verifier.apply(identity.getIdentityKey())) {
2744             return false;
2745         }
2746
2747         account.getIdentityKeyStore().setIdentityTrustLevel(recipientId, identity.getIdentityKey(), trustLevel);
2748         try {
2749             var address = account.getRecipientStore().resolveServiceAddress(recipientId);
2750             sendVerifiedMessage(address, identity.getIdentityKey(), trustLevel);
2751         } catch (IOException | UntrustedIdentityException e) {
2752             logger.warn("Failed to send verification sync message: {}", e.getMessage());
2753         }
2754
2755         return true;
2756     }
2757
2758     public String computeSafetyNumber(
2759             SignalServiceAddress theirAddress, IdentityKey theirIdentityKey
2760     ) {
2761         return Utils.computeSafetyNumber(ServiceConfig.capabilities.isUuid(),
2762                 account.getSelfAddress(),
2763                 getIdentityKeyPair().getPublicKey(),
2764                 theirAddress,
2765                 theirIdentityKey);
2766     }
2767
2768     @Deprecated
2769     public SignalServiceAddress resolveSignalServiceAddress(String identifier) {
2770         var address = Utils.getSignalServiceAddressFromIdentifier(identifier);
2771
2772         return resolveSignalServiceAddress(address);
2773     }
2774
2775     @Deprecated
2776     public SignalServiceAddress resolveSignalServiceAddress(SignalServiceAddress address) {
2777         if (address.matches(account.getSelfAddress())) {
2778             return account.getSelfAddress();
2779         }
2780
2781         return account.getRecipientStore().resolveServiceAddress(address);
2782     }
2783
2784     public SignalServiceAddress resolveSignalServiceAddress(RecipientId recipientId) {
2785         return account.getRecipientStore().resolveServiceAddress(recipientId);
2786     }
2787
2788     public RecipientId canonicalizeAndResolveRecipient(String identifier) throws InvalidNumberException {
2789         var canonicalizedNumber = UuidUtil.isUuid(identifier)
2790                 ? identifier
2791                 : PhoneNumberFormatter.formatNumber(identifier, account.getUsername());
2792
2793         return resolveRecipient(canonicalizedNumber);
2794     }
2795
2796     private RecipientId resolveRecipient(final String identifier) {
2797         var address = Utils.getSignalServiceAddressFromIdentifier(identifier);
2798
2799         return resolveRecipient(address);
2800     }
2801
2802     public RecipientId resolveRecipient(SignalServiceAddress address) {
2803         return account.getRecipientStore().resolveRecipient(address);
2804     }
2805
2806     private RecipientId resolveRecipientTrusted(SignalServiceAddress address) {
2807         return account.getRecipientStore().resolveRecipientTrusted(address);
2808     }
2809
2810     @Override
2811     public void close() throws IOException {
2812         close(true);
2813     }
2814
2815     void close(boolean closeAccount) throws IOException {
2816         executor.shutdown();
2817
2818         if (messagePipe != null) {
2819             messagePipe.shutdown();
2820             messagePipe = null;
2821         }
2822
2823         if (unidentifiedMessagePipe != null) {
2824             unidentifiedMessagePipe.shutdown();
2825             unidentifiedMessagePipe = null;
2826         }
2827
2828         if (closeAccount && account != null) {
2829             account.close();
2830         }
2831         account = null;
2832     }
2833
2834     public interface ReceiveMessageHandler {
2835
2836         void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, Throwable e);
2837     }
2838 }