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.GroupUtils;
  29 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  30 import org.asamk.signal.manager.helper.GroupV2Helper;
  31 import org.asamk.signal.manager.helper.PinHelper;
  32 import org.asamk.signal.manager.helper.ProfileHelper;
  33 import org.asamk.signal.manager.helper.UnidentifiedAccessHelper;
  34 import org.asamk.signal.manager.storage.SignalAccount;
  35 import org.asamk.signal.manager.storage.groups.GroupInfo;
  36 import org.asamk.signal.manager.storage.groups.GroupInfoV1;
  37 import org.asamk.signal.manager.storage.groups.GroupInfoV2;
  38 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  39 import org.asamk.signal.manager.storage.messageCache.CachedMessage;
  40 import org.asamk.signal.manager.storage.recipients.Contact;
  41 import org.asamk.signal.manager.storage.recipients.Profile;
  42 import org.asamk.signal.manager.storage.recipients.RecipientId;
  43 import org.asamk.signal.manager.storage.stickers.Sticker;
  44 import org.asamk.signal.manager.storage.stickers.StickerPackId;
  45 import org.asamk.signal.manager.util.AttachmentUtils;
  46 import org.asamk.signal.manager.util.IOUtils;
  47 import org.asamk.signal.manager.util.KeyUtils;
  48 import org.asamk.signal.manager.util.ProfileUtils;
  49 import org.asamk.signal.manager.util.StickerUtils;
  50 import org.asamk.signal.manager.util.Utils;
  51 import org.signal.libsignal.metadata.InvalidMetadataMessageException;
  52 import org.signal.libsignal.metadata.InvalidMetadataVersionException;
  53 import org.signal.libsignal.metadata.ProtocolDuplicateMessageException;
  54 import org.signal.libsignal.metadata.ProtocolInvalidKeyException;
  55 import org.signal.libsignal.metadata.ProtocolInvalidKeyIdException;
  56 import org.signal.libsignal.metadata.ProtocolInvalidMessageException;
  57 import org.signal.libsignal.metadata.ProtocolInvalidVersionException;
  58 import org.signal.libsignal.metadata.ProtocolLegacyMessageException;
  59 import org.signal.libsignal.metadata.ProtocolNoSessionException;
  60 import org.signal.libsignal.metadata.ProtocolUntrustedIdentityException;
  61 import org.signal.libsignal.metadata.SelfSendException;
  62 import org.signal.libsignal.metadata.certificate.CertificateValidator;
  63 import org.signal.storageservice.protos.groups.GroupChange;
  64 import org.signal.storageservice.protos.groups.local.DecryptedGroup;
  65 import org.signal.zkgroup.InvalidInputException;
  66 import org.signal.zkgroup.VerificationFailedException;
  67 import org.signal.zkgroup.groups.GroupMasterKey;
  68 import org.signal.zkgroup.groups.GroupSecretParams;
  69 import org.signal.zkgroup.profiles.ClientZkProfileOperations;
  70 import org.signal.zkgroup.profiles.ProfileKey;
  71 import org.signal.zkgroup.profiles.ProfileKeyCredential;
  72 import org.slf4j.Logger;
  73 import org.slf4j.LoggerFactory;
  74 import org.whispersystems.libsignal.IdentityKey;
  75 import org.whispersystems.libsignal.IdentityKeyPair;
  76 import org.whispersystems.libsignal.InvalidKeyException;
  77 import org.whispersystems.libsignal.InvalidMessageException;
  78 import org.whispersystems.libsignal.ecc.ECPublicKey;
  79 import org.whispersystems.libsignal.state.PreKeyRecord;
  80 import org.whispersystems.libsignal.state.SignedPreKeyRecord;
  81 import org.whispersystems.libsignal.util.Pair;
  82 import org.whispersystems.libsignal.util.guava.Optional;
  83 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
  84 import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
  85 import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
  86 import org.whispersystems.signalservice.api.SignalServiceMessageSender;
  87 import org.whispersystems.signalservice.api.SignalSessionLock;
  88 import org.whispersystems.signalservice.api.crypto.SignalServiceCipher;
  89 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
  90 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
  91 import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
  92 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Api;
  93 import org.whispersystems.signalservice.api.groupsv2.GroupsV2AuthorizationString;
  94 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Operations;
  95 import org.whispersystems.signalservice.api.messages.SendMessageResult;
  96 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
  97 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentPointer;
  98 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentRemoteId;
  99 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentStream;
 100 import org.whispersystems.signalservice.api.messages.SignalServiceContent;
 101 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
 102 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
 103 import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
 104 import org.whispersystems.signalservice.api.messages.SignalServiceGroupV2;
 105 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
 106 import org.whispersystems.signalservice.api.messages.multidevice.BlockedListMessage;
 107 import org.whispersystems.signalservice.api.messages.multidevice.ContactsMessage;
 108 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContact;
 109 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsInputStream;
 110 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsOutputStream;
 111 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroup;
 112 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsInputStream;
 113 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsOutputStream;
 114 import org.whispersystems.signalservice.api.messages.multidevice.RequestMessage;
 115 import org.whispersystems.signalservice.api.messages.multidevice.SentTranscriptMessage;
 116 import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
 117 import org.whispersystems.signalservice.api.messages.multidevice.StickerPackOperationMessage;
 118 import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage;
 119 import org.whispersystems.signalservice.api.profiles.ProfileAndCredential;
 120 import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
 121 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
 122 import org.whispersystems.signalservice.api.push.exceptions.MissingConfigurationException;
 123 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
 124 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
 125 import org.whispersystems.signalservice.api.util.InvalidNumberException;
 126 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
 127 import org.whispersystems.signalservice.api.util.SleepTimer;
 128 import org.whispersystems.signalservice.api.util.UptimeSleepTimer;
 129 import org.whispersystems.signalservice.api.util.UuidUtil;
 130 import org.whispersystems.signalservice.internal.contacts.crypto.Quote;
 131 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedQuoteException;
 132 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedResponseException;
 133 import org.whispersystems.signalservice.internal.push.SignalServiceProtos;
 134 import org.whispersystems.signalservice.internal.push.UnsupportedDataMessageException;
 135 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
 136 import org.whispersystems.signalservice.internal.util.Hex;
 137 import org.whispersystems.signalservice.internal.util.Util;
 138
 139 import java.io.Closeable;
 140 import java.io.File;
 141 import java.io.FileInputStream;
 142 import java.io.FileOutputStream;
 143 import java.io.IOException;
 144 import java.io.InputStream;
 145 import java.io.OutputStream;
 146 import java.net.URI;
 147 import java.net.URISyntaxException;
 148 import java.net.URLEncoder;
 149 import java.nio.charset.StandardCharsets;
 150 import java.nio.file.Files;
 151 import java.security.SignatureException;
 152 import java.util.ArrayList;
 153 import java.util.Arrays;
 154 import java.util.Base64;
 155 import java.util.Collection;
 156 import java.util.Date;
 157 import java.util.HashSet;
 158 import java.util.List;
 159 import java.util.Map;
 160 import java.util.Set;
 161 import java.util.UUID;
 162 import java.util.concurrent.ExecutorService;
 163 import java.util.concurrent.Executors;
 164 import java.util.concurrent.TimeUnit;
 165 import java.util.concurrent.TimeoutException;
 166 import java.util.concurrent.locks.ReentrantLock;
 167 import java.util.function.Function;
 168 import java.util.stream.Collectors;
 169
 170 import static org.asamk.signal.manager.config.ServiceConfig.capabilities;
 171
 172 public class Manager implements Closeable {
 173
 174     private final static Logger logger = LoggerFactory.getLogger(Manager.class);
 175
 176     private final CertificateValidator certificateValidator;
 177
 178     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
 179     private final String userAgent;
 180
 181     private SignalAccount account;
 182     private final SignalServiceAccountManager accountManager;
 183     private final GroupsV2Api groupsV2Api;
 184     private final GroupsV2Operations groupsV2Operations;
 185     private final SignalServiceMessageReceiver messageReceiver;
 186     private final ClientZkProfileOperations clientZkProfileOperations;
 187
 188     private final ExecutorService executor = Executors.newCachedThreadPool();
 189
 190     private SignalServiceMessagePipe messagePipe = null;
 191     private SignalServiceMessagePipe unidentifiedMessagePipe = null;
 192
 193     private final UnidentifiedAccessHelper unidentifiedAccessHelper;
 194     private final ProfileHelper profileHelper;
 195     private final GroupV2Helper groupV2Helper;
 196     private final PinHelper pinHelper;
 197     private final AvatarStore avatarStore;
 198     private final AttachmentStore attachmentStore;
 199     private final SignalSessionLock sessionLock = new SignalSessionLock() {
 200         private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 201
 202         @Override
 203         public Lock acquire() {
 204             LEGACY_LOCK.lock();
 205             return LEGACY_LOCK::unlock;
 206         }
 207     };
 208
 209     Manager(
 210             SignalAccount account,
 211             PathConfig pathConfig,
 212             ServiceEnvironmentConfig serviceEnvironmentConfig,
 213             String userAgent
 214     ) {
 215         this.account = account;
 216         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
 217         this.certificateValidator = new CertificateValidator(serviceEnvironmentConfig.getUnidentifiedSenderTrustRoot());
 218         this.userAgent = userAgent;
 219         this.groupsV2Operations = capabilities.isGv2() ? new GroupsV2Operations(ClientZkOperations.create(
 220                 serviceEnvironmentConfig.getSignalServiceConfiguration())) : null;
 221         final SleepTimer timer = new UptimeSleepTimer();
 222         this.accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
 223                 new DynamicCredentialsProvider(account.getUuid(),
 224                         account.getUsername(),
 225                         account.getPassword(),
 226                         account.getDeviceId()),
 227                 userAgent,
 228                 groupsV2Operations,
 229                 ServiceConfig.AUTOMATIC_NETWORK_RETRY,
 230                 timer);
 231         this.groupsV2Api = accountManager.getGroupsV2Api();
 232         final var keyBackupService = accountManager.getKeyBackupService(ServiceConfig.getIasKeyStore(),
 233                 serviceEnvironmentConfig.getKeyBackupConfig().getEnclaveName(),
 234                 serviceEnvironmentConfig.getKeyBackupConfig().getServiceId(),
 235                 serviceEnvironmentConfig.getKeyBackupConfig().getMrenclave(),
 236                 10);
 237
 238         this.pinHelper = new PinHelper(keyBackupService);
 239         this.clientZkProfileOperations = capabilities.isGv2()
 240                 ? ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration())
 241                 .getProfileOperations()
 242                 : null;
 243         this.messageReceiver = new SignalServiceMessageReceiver(serviceEnvironmentConfig.getSignalServiceConfiguration(),
 244                 account.getUuid(),
 245                 account.getUsername(),
 246                 account.getPassword(),
 247                 account.getDeviceId(),
 248                 userAgent,
 249                 null,
 250                 timer,
 251                 clientZkProfileOperations,
 252                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
 253
 254         this.unidentifiedAccessHelper = new UnidentifiedAccessHelper(account::getProfileKey,
 255                 account.getProfileStore()::getProfileKey,
 256                 this::getRecipientProfile,
 257                 this::getSenderCertificate);
 258         this.profileHelper = new ProfileHelper(account.getProfileStore()::getProfileKey,
 259                 unidentifiedAccessHelper::getAccessFor,
 260                 unidentified -> unidentified ? getOrCreateUnidentifiedMessagePipe() : getOrCreateMessagePipe(),
 261                 () -> messageReceiver,
 262                 this::resolveSignalServiceAddress);
 263         this.groupV2Helper = new GroupV2Helper(this::getRecipientProfileKeyCredential,
 264                 this::getRecipientProfile,
 265                 account::getSelfRecipientId,
 266                 groupsV2Operations,
 267                 groupsV2Api,
 268                 this::getGroupAuthForToday,
 269                 this::resolveSignalServiceAddress);
 270         this.avatarStore = new AvatarStore(pathConfig.getAvatarsPath());
 271         this.attachmentStore = new AttachmentStore(pathConfig.getAttachmentsPath());
 272     }
 273
 274     public String getUsername() {
 275         return account.getUsername();
 276     }
 277
 278     public SignalServiceAddress getSelfAddress() {
 279         return account.getSelfAddress();
 280     }
 281
 282     public RecipientId getSelfRecipientId() {
 283         return account.getSelfRecipientId();
 284     }
 285
 286     private IdentityKeyPair getIdentityKeyPair() {
 287         return account.getIdentityKeyPair();
 288     }
 289
 290     public int getDeviceId() {
 291         return account.getDeviceId();
 292     }
 293
 294     public static Manager init(
 295             String username, File settingsPath, ServiceEnvironment serviceEnvironment, String userAgent
 296     ) throws IOException, NotRegisteredException {
 297         var pathConfig = PathConfig.createDefault(settingsPath);
 298
 299         if (!SignalAccount.userExists(pathConfig.getDataPath(), username)) {
 300             throw new NotRegisteredException();
 301         }
 302
 303         var account = SignalAccount.load(pathConfig.getDataPath(), username, true);
 304
 305         if (!account.isRegistered()) {
 306             throw new NotRegisteredException();
 307         }
 308
 309         final var serviceEnvironmentConfig = ServiceConfig.getServiceEnvironmentConfig(serviceEnvironment, userAgent);
 310
 311         return new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent);
 312     }
 313
 314     public static List<String> getAllLocalUsernames(File settingsPath) {
 315         var pathConfig = PathConfig.createDefault(settingsPath);
 316         final var dataPath = pathConfig.getDataPath();
 317         final var files = dataPath.listFiles();
 318
 319         if (files == null) {
 320             return List.of();
 321         }
 322
 323         return Arrays.stream(files)
 324                 .filter(File::isFile)
 325                 .map(File::getName)
 326                 .filter(file -> PhoneNumberFormatter.isValidNumber(file, null))
 327                 .collect(Collectors.toList());
 328     }
 329
 330     public void checkAccountState() throws IOException {
 331         if (accountManager.getPreKeysCount() < ServiceConfig.PREKEY_MINIMUM_COUNT) {
 332             refreshPreKeys();
 333         }
 334         if (account.getUuid() == null) {
 335             account.setUuid(accountManager.getOwnUuid());
 336         }
 337         updateAccountAttributes();
 338     }
 339
 340     /**
 341      * This is used for checking a set of phone numbers for registration on Signal
 342      *
 343      * @param numbers The set of phone number in question
 344      * @return A map of numbers to booleans. True if registered, false otherwise. Should never be null
 345      * @throws IOException if its unable to get the contacts to check if they're registered
 346      */
 347     public Map<String, Boolean> areUsersRegistered(Set<String> numbers) throws IOException {
 348         // Note "contactDetails" has no optionals. It only gives us info on users who are registered
 349         var contactDetails = getRegisteredUsers(numbers);
 350
 351         var registeredUsers = contactDetails.keySet();
 352
 353         return numbers.stream().collect(Collectors.toMap(x -> x, registeredUsers::contains));
 354     }
 355
 356     public void updateAccountAttributes() throws IOException {
 357         accountManager.setAccountAttributes(account.getEncryptedDeviceName(),
 358                 null,
 359                 account.getLocalRegistrationId(),
 360                 true,
 361                 // set legacy pin only if no KBS master key is set
 362                 account.getPinMasterKey() == null ? account.getRegistrationLockPin() : null,
 363                 account.getPinMasterKey() == null ? null : account.getPinMasterKey().deriveRegistrationLock(),
 364                 account.getSelfUnidentifiedAccessKey(),
 365                 account.isUnrestrictedUnidentifiedAccess(),
 366                 capabilities,
 367                 account.isDiscoverableByPhoneNumber());
 368     }
 369
 370     /**
 371      * @param givenName  if null, the previous givenName will be kept
 372      * @param familyName if null, the previous familyName will be kept
 373      * @param about      if null, the previous about text will be kept
 374      * @param aboutEmoji if null, the previous about emoji will be kept
 375      * @param avatar     if avatar is null the image from the local avatar store is used (if present),
 376      */
 377     public void setProfile(
 378             String givenName, final String familyName, String about, String aboutEmoji, Optional<File> avatar
 379     ) throws IOException {
 380         var profile = getRecipientProfile(account.getSelfRecipientId());
 381         var builder = profile == null ? Profile.newBuilder() : Profile.newBuilder(profile);
 382         if (givenName != null) {
 383             builder.withGivenName(givenName);
 384         }
 385         if (familyName != null) {
 386             builder.withFamilyName(familyName);
 387         }
 388         if (about != null) {
 389             builder.withAbout(about);
 390         }
 391         if (aboutEmoji != null) {
 392             builder.withAboutEmoji(aboutEmoji);
 393         }
 394         var newProfile = builder.build();
 395
 396         try (final var streamDetails = avatar == null
 397                 ? avatarStore.retrieveProfileAvatar(getSelfAddress())
 398                 : avatar.isPresent() ? Utils.createStreamDetailsFromFile(avatar.get()) : null) {
 399             accountManager.setVersionedProfile(account.getUuid(),
 400                     account.getProfileKey(),
 401                     newProfile.getInternalServiceName(),
 402                     newProfile.getAbout() == null ? "" : newProfile.getAbout(),
 403                     newProfile.getAboutEmoji() == null ? "" : newProfile.getAboutEmoji(),
 404                     Optional.absent(),
 405                     streamDetails);
 406         }
 407
 408         if (avatar != null) {
 409             if (avatar.isPresent()) {
 410                 avatarStore.storeProfileAvatar(getSelfAddress(),
 411                         outputStream -> IOUtils.copyFileToStream(avatar.get(), outputStream));
 412             } else {
 413                 avatarStore.deleteProfileAvatar(getSelfAddress());
 414             }
 415         }
 416         account.getProfileStore().storeProfile(account.getSelfRecipientId(), newProfile);
 417
 418         try {
 419             sendSyncMessage(SignalServiceSyncMessage.forFetchLatest(SignalServiceSyncMessage.FetchType.LOCAL_PROFILE));
 420         } catch (UntrustedIdentityException ignored) {
 421         }
 422     }
 423
 424     public void unregister() throws IOException {
 425         // When setting an empty GCM id, the Signal-Server also sets the fetchesMessages property to false.
 426         // If this is the master device, other users can't send messages to this number anymore.
 427         // If this is a linked device, other users can still send messages, but this device doesn't receive them anymore.
 428         accountManager.setGcmId(Optional.absent());
 429
 430         account.setRegistered(false);
 431     }
 432
 433     public void deleteAccount() throws IOException {
 434         accountManager.deleteAccount();
 435
 436         account.setRegistered(false);
 437     }
 438
 439     public List<Device> getLinkedDevices() throws IOException {
 440         var devices = accountManager.getDevices();
 441         account.setMultiDevice(devices.size() > 1);
 442         var identityKey = account.getIdentityKeyPair().getPrivateKey();
 443         return devices.stream().map(d -> {
 444             String deviceName = d.getName();
 445             if (deviceName != null) {
 446                 try {
 447                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 448                 } catch (IOException e) {
 449                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 450                 }
 451             }
 452             return new Device(d.getId(), deviceName, d.getCreated(), d.getLastSeen());
 453         }).collect(Collectors.toList());
 454     }
 455
 456     public void removeLinkedDevices(int deviceId) throws IOException {
 457         accountManager.removeDevice(deviceId);
 458         var devices = accountManager.getDevices();
 459         account.setMultiDevice(devices.size() > 1);
 460     }
 461
 462     public void addDeviceLink(URI linkUri) throws IOException, InvalidKeyException {
 463         var info = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 464
 465         addDevice(info.deviceIdentifier, info.deviceKey);
 466     }
 467
 468     private void addDevice(String deviceIdentifier, ECPublicKey deviceKey) throws IOException, InvalidKeyException {
 469         var identityKeyPair = getIdentityKeyPair();
 470         var verificationCode = accountManager.getNewDeviceVerificationCode();
 471
 472         accountManager.addDevice(deviceIdentifier,
 473                 deviceKey,
 474                 identityKeyPair,
 475                 Optional.of(account.getProfileKey().serialize()),
 476                 verificationCode);
 477         account.setMultiDevice(true);
 478     }
 479
 480     public void setRegistrationLockPin(Optional<String> pin) throws IOException, UnauthenticatedResponseException {
 481         if (!account.isMasterDevice()) {
 482             throw new RuntimeException("Only master device can set a PIN");
 483         }
 484         if (pin.isPresent()) {
 485             final var masterKey = account.getPinMasterKey() != null
 486                     ? account.getPinMasterKey()
 487                     : KeyUtils.createMasterKey();
 488
 489             pinHelper.setRegistrationLockPin(pin.get(), masterKey);
 490
 491             account.setRegistrationLockPin(pin.get(), masterKey);
 492         } else {
 493             // Remove legacy registration lock
 494             accountManager.removeRegistrationLockV1();
 495
 496             // Remove KBS Pin
 497             pinHelper.removeRegistrationLockPin();
 498
 499             account.setRegistrationLockPin(null, null);
 500         }
 501     }
 502
 503     void refreshPreKeys() throws IOException {
 504         var oneTimePreKeys = generatePreKeys();
 505         final var identityKeyPair = getIdentityKeyPair();
 506         var signedPreKeyRecord = generateSignedPreKey(identityKeyPair);
 507
 508         accountManager.setPreKeys(identityKeyPair.getPublicKey(), signedPreKeyRecord, oneTimePreKeys);
 509     }
 510
 511     private List<PreKeyRecord> generatePreKeys() {
 512         final var offset = account.getPreKeyIdOffset();
 513
 514         var records = KeyUtils.generatePreKeyRecords(offset, ServiceConfig.PREKEY_BATCH_SIZE);
 515         account.addPreKeys(records);
 516
 517         return records;
 518     }
 519
 520     private SignedPreKeyRecord generateSignedPreKey(IdentityKeyPair identityKeyPair) {
 521         final var signedPreKeyId = account.getNextSignedPreKeyId();
 522
 523         var record = KeyUtils.generateSignedPreKeyRecord(identityKeyPair, signedPreKeyId);
 524         account.addSignedPreKey(record);
 525
 526         return record;
 527     }
 528
 529     private SignalServiceMessagePipe getOrCreateMessagePipe() {
 530         if (messagePipe == null) {
 531             messagePipe = messageReceiver.createMessagePipe();
 532         }
 533         return messagePipe;
 534     }
 535
 536     private SignalServiceMessagePipe getOrCreateUnidentifiedMessagePipe() {
 537         if (unidentifiedMessagePipe == null) {
 538             unidentifiedMessagePipe = messageReceiver.createUnidentifiedMessagePipe();
 539         }
 540         return unidentifiedMessagePipe;
 541     }
 542
 543     private SignalServiceMessageSender createMessageSender() {
 544         return new SignalServiceMessageSender(serviceEnvironmentConfig.getSignalServiceConfiguration(),
 545                 account.getUuid(),
 546                 account.getUsername(),
 547                 account.getPassword(),
 548                 account.getDeviceId(),
 549                 account.getSignalProtocolStore(),
 550                 sessionLock,
 551                 userAgent,
 552                 account.isMultiDevice(),
 553                 Optional.fromNullable(messagePipe),
 554                 Optional.fromNullable(unidentifiedMessagePipe),
 555                 Optional.absent(),
 556                 clientZkProfileOperations,
 557                 executor,
 558                 ServiceConfig.MAX_ENVELOPE_SIZE,
 559                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
 560     }
 561
 562     public Profile getRecipientProfile(
 563             RecipientId recipientId
 564     ) {
 565         return getRecipientProfile(recipientId, false);
 566     }
 567
 568     private final Set<RecipientId> pendingProfileRequest = new HashSet<>();
 569
 570     Profile getRecipientProfile(
 571             RecipientId recipientId, boolean force
 572     ) {
 573         var profile = account.getProfileStore().getProfile(recipientId);
 574
 575         var now = new Date().getTime();
 576         // Profiles are cached for 24h before retrieving them again, unless forced
 577         if (!force && profile != null && now - profile.getLastUpdateTimestamp() < 24 * 60 * 60 * 1000) {
 578             return profile;
 579         }
 580
 581         synchronized (pendingProfileRequest) {
 582             if (pendingProfileRequest.contains(recipientId)) {
 583                 return profile;
 584             }
 585             pendingProfileRequest.add(recipientId);
 586         }
 587         final SignalServiceProfile encryptedProfile;
 588         try {
 589             encryptedProfile = retrieveEncryptedProfile(recipientId);
 590         } finally {
 591             synchronized (pendingProfileRequest) {
 592                 pendingProfileRequest.remove(recipientId);
 593             }
 594         }
 595         if (encryptedProfile == null) {
 596             return null;
 597         }
 598
 599         var profileKey = account.getProfileStore().getProfileKey(recipientId);
 600         if (profileKey == null) {
 601             profile = new Profile(new Date().getTime(),
 602                     null,
 603                     null,
 604                     null,
 605                     null,
 606                     ProfileUtils.getUnidentifiedAccessMode(encryptedProfile, null),
 607                     ProfileUtils.getCapabilities(encryptedProfile));
 608         } else {
 609             profile = decryptProfileAndDownloadAvatar(recipientId, profileKey, encryptedProfile);
 610         }
 611         account.getProfileStore().storeProfile(recipientId, profile);
 612
 613         return profile;
 614     }
 615
 616     private SignalServiceProfile retrieveEncryptedProfile(RecipientId recipientId) {
 617         try {
 618             return retrieveProfileAndCredential(recipientId, SignalServiceProfile.RequestType.PROFILE).getProfile();
 619         } catch (IOException e) {
 620             logger.warn("Failed to retrieve profile, ignoring: {}", e.getMessage());
 621             return null;
 622         }
 623     }
 624
 625     private ProfileAndCredential retrieveProfileAndCredential(
 626             final RecipientId recipientId, final SignalServiceProfile.RequestType requestType
 627     ) throws IOException {
 628         final var profileAndCredential = profileHelper.retrieveProfileSync(recipientId, requestType);
 629         final var profile = profileAndCredential.getProfile();
 630
 631         try {
 632             var newIdentity = account.getIdentityKeyStore()
 633                     .saveIdentity(recipientId,
 634                             new IdentityKey(Base64.getDecoder().decode(profile.getIdentityKey())),
 635                             new Date());
 636
 637             if (newIdentity) {
 638                 account.getSessionStore().archiveSessions(recipientId);
 639             }
 640         } catch (InvalidKeyException ignored) {
 641             logger.warn("Got invalid identity key in profile for {}",
 642                     resolveSignalServiceAddress(recipientId).getLegacyIdentifier());
 643         }
 644         return profileAndCredential;
 645     }
 646
 647     private ProfileKeyCredential getRecipientProfileKeyCredential(RecipientId recipientId) {
 648         var profileKeyCredential = account.getProfileStore().getProfileKeyCredential(recipientId);
 649         if (profileKeyCredential != null) {
 650             return profileKeyCredential;
 651         }
 652
 653         ProfileAndCredential profileAndCredential;
 654         try {
 655             profileAndCredential = retrieveProfileAndCredential(recipientId,
 656                     SignalServiceProfile.RequestType.PROFILE_AND_CREDENTIAL);
 657         } catch (IOException e) {
 658             logger.warn("Failed to retrieve profile key credential, ignoring: {}", e.getMessage());
 659             return null;
 660         }
 661
 662         profileKeyCredential = profileAndCredential.getProfileKeyCredential().orNull();
 663         account.getProfileStore().storeProfileKeyCredential(recipientId, profileKeyCredential);
 664
 665         var profileKey = account.getProfileStore().getProfileKey(recipientId);
 666         if (profileKey != null) {
 667             final var profile = decryptProfileAndDownloadAvatar(recipientId,
 668                     profileKey,
 669                     profileAndCredential.getProfile());
 670             account.getProfileStore().storeProfile(recipientId, profile);
 671         }
 672
 673         return profileKeyCredential;
 674     }
 675
 676     private Profile decryptProfileAndDownloadAvatar(
 677             final RecipientId recipientId, final ProfileKey profileKey, final SignalServiceProfile encryptedProfile
 678     ) {
 679         if (encryptedProfile.getAvatar() != null) {
 680             downloadProfileAvatar(resolveSignalServiceAddress(recipientId), encryptedProfile.getAvatar(), profileKey);
 681         }
 682
 683         return ProfileUtils.decryptProfile(profileKey, encryptedProfile);
 684     }
 685
 686     private Optional<SignalServiceAttachmentStream> createGroupAvatarAttachment(GroupId groupId) throws IOException {
 687         final var streamDetails = avatarStore.retrieveGroupAvatar(groupId);
 688         if (streamDetails == null) {
 689             return Optional.absent();
 690         }
 691
 692         return Optional.of(AttachmentUtils.createAttachment(streamDetails, Optional.absent()));
 693     }
 694
 695     private Optional<SignalServiceAttachmentStream> createContactAvatarAttachment(SignalServiceAddress address) throws IOException {
 696         final var streamDetails = avatarStore.retrieveContactAvatar(address);
 697         if (streamDetails == null) {
 698             return Optional.absent();
 699         }
 700
 701         return Optional.of(AttachmentUtils.createAttachment(streamDetails, Optional.absent()));
 702     }
 703
 704     private GroupInfo getGroupForSending(GroupId groupId) throws GroupNotFoundException, NotAGroupMemberException {
 705         var g = getGroup(groupId);
 706         if (g == null) {
 707             throw new GroupNotFoundException(groupId);
 708         }
 709         if (!g.isMember(account.getSelfRecipientId())) {
 710             throw new NotAGroupMemberException(groupId, g.getTitle());
 711         }
 712         return g;
 713     }
 714
 715     private GroupInfo getGroupForUpdating(GroupId groupId) throws GroupNotFoundException, NotAGroupMemberException {
 716         var g = getGroup(groupId);
 717         if (g == null) {
 718             throw new GroupNotFoundException(groupId);
 719         }
 720         if (!g.isMember(account.getSelfRecipientId()) && !g.isPendingMember(account.getSelfRecipientId())) {
 721             throw new NotAGroupMemberException(groupId, g.getTitle());
 722         }
 723         return g;
 724     }
 725
 726     public List<GroupInfo> getGroups() {
 727         return account.getGroupStore().getGroups();
 728     }
 729
 730     public Pair<Long, List<SendMessageResult>> sendGroupMessage(
 731             String messageText, List<String> attachments, GroupId groupId
 732     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
 733         final var messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
 734         if (attachments != null) {
 735             messageBuilder.withAttachments(AttachmentUtils.getSignalServiceAttachments(attachments));
 736         }
 737
 738         return sendGroupMessage(messageBuilder, groupId);
 739     }
 740
 741     public Pair<Long, List<SendMessageResult>> sendGroupMessageReaction(
 742             String emoji, boolean remove, String targetAuthor, long targetSentTimestamp, GroupId groupId
 743     ) throws IOException, InvalidNumberException, NotAGroupMemberException, GroupNotFoundException {
 744         var targetAuthorRecipientId = canonicalizeAndResolveRecipient(targetAuthor);
 745         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 746                 remove,
 747                 resolveSignalServiceAddress(targetAuthorRecipientId),
 748                 targetSentTimestamp);
 749         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 750
 751         return sendGroupMessage(messageBuilder, groupId);
 752     }
 753
 754     public Pair<Long, List<SendMessageResult>> sendGroupMessage(
 755             SignalServiceDataMessage.Builder messageBuilder, GroupId groupId
 756     ) throws IOException, GroupNotFoundException, NotAGroupMemberException {
 757         final var g = getGroupForSending(groupId);
 758
 759         GroupUtils.setGroupContext(messageBuilder, g);
 760         messageBuilder.withExpiration(g.getMessageExpirationTime());
 761
 762         return sendMessage(messageBuilder, g.getMembersWithout(account.getSelfRecipientId()));
 763     }
 764
 765     public Pair<Long, List<SendMessageResult>> sendQuitGroupMessage(GroupId groupId) throws GroupNotFoundException, IOException, NotAGroupMemberException {
 766         SignalServiceDataMessage.Builder messageBuilder;
 767
 768         final var g = getGroupForUpdating(groupId);
 769         if (g instanceof GroupInfoV1) {
 770             var groupInfoV1 = (GroupInfoV1) g;
 771             var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT).withId(groupId.serialize()).build();
 772             messageBuilder = SignalServiceDataMessage.newBuilder().asGroupMessage(group);
 773             groupInfoV1.removeMember(account.getSelfRecipientId());
 774             account.getGroupStore().updateGroup(groupInfoV1);
 775         } else {
 776             final var groupInfoV2 = (GroupInfoV2) g;
 777             final var groupGroupChangePair = groupV2Helper.leaveGroup(groupInfoV2);
 778             groupInfoV2.setGroup(groupGroupChangePair.first(), this::resolveRecipient);
 779             messageBuilder = getGroupUpdateMessageBuilder(groupInfoV2, groupGroupChangePair.second().toByteArray());
 780             account.getGroupStore().updateGroup(groupInfoV2);
 781         }
 782
 783         return sendMessage(messageBuilder, g.getMembersWithout(account.getSelfRecipientId()));
 784     }
 785
 786     public Pair<GroupId, List<SendMessageResult>> createGroup(
 787             String name, List<String> members, File avatarFile
 788     ) throws IOException, AttachmentInvalidException, InvalidNumberException {
 789         return createGroup(name, members == null ? null : getSignalServiceAddresses(members), avatarFile);
 790     }
 791
 792     private Pair<GroupId, List<SendMessageResult>> createGroup(
 793             String name, Set<RecipientId> members, File avatarFile
 794     ) throws IOException, AttachmentInvalidException {
 795         final var selfRecipientId = account.getSelfRecipientId();
 796         if (members != null && members.contains(selfRecipientId)) {
 797             members = new HashSet<>(members);
 798             members.remove(selfRecipientId);
 799         }
 800
 801         var gv2Pair = groupV2Helper.createGroup(name == null ? "" : name,
 802                 members == null ? Set.of() : members,
 803                 avatarFile);
 804
 805         SignalServiceDataMessage.Builder messageBuilder;
 806         if (gv2Pair == null) {
 807             // Failed to create v2 group, creating v1 group instead
 808             var gv1 = new GroupInfoV1(GroupIdV1.createRandom());
 809             gv1.addMembers(List.of(selfRecipientId));
 810             final var result = updateGroupV1(gv1, name, members, avatarFile);
 811             return new Pair<>(gv1.getGroupId(), result.second());
 812         }
 813
 814         final var gv2 = gv2Pair.first();
 815         final var decryptedGroup = gv2Pair.second();
 816
 817         gv2.setGroup(decryptedGroup, this::resolveRecipient);
 818         if (avatarFile != null) {
 819             avatarStore.storeGroupAvatar(gv2.getGroupId(),
 820                     outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
 821         }
 822         messageBuilder = getGroupUpdateMessageBuilder(gv2, null);
 823         account.getGroupStore().updateGroup(gv2);
 824
 825         final var result = sendMessage(messageBuilder, gv2.getMembersIncludingPendingWithout(selfRecipientId));
 826         return new Pair<>(gv2.getGroupId(), result.second());
 827     }
 828
 829     public Pair<Long, List<SendMessageResult>> updateGroup(
 830             GroupId groupId,
 831             String name,
 832             String description,
 833             List<String> members,
 834             List<String> removeMembers,
 835             List<String> admins,
 836             List<String> removeAdmins,
 837             boolean resetGroupLink,
 838             GroupLinkState groupLinkState,
 839             File avatarFile,
 840             Integer expirationTimer
 841     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, InvalidNumberException, NotAGroupMemberException {
 842         return updateGroup(groupId,
 843                 name,
 844                 description,
 845                 members == null ? null : getSignalServiceAddresses(members),
 846                 removeMembers == null ? null : getSignalServiceAddresses(removeMembers),
 847                 admins == null ? null : getSignalServiceAddresses(admins),
 848                 removeAdmins == null ? null : getSignalServiceAddresses(removeAdmins),
 849                 resetGroupLink,
 850                 groupLinkState,
 851                 avatarFile,
 852                 expirationTimer);
 853     }
 854
 855     private Pair<Long, List<SendMessageResult>> updateGroup(
 856             final GroupId groupId,
 857             final String name,
 858             final String description,
 859             final Set<RecipientId> members,
 860             final Set<RecipientId> removeMembers,
 861             final Set<RecipientId> admins,
 862             final Set<RecipientId> removeAdmins,
 863             final boolean resetGroupLink,
 864             final GroupLinkState groupLinkState,
 865             final File avatarFile,
 866             Integer expirationTimer
 867     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
 868         var group = getGroupForUpdating(groupId);
 869
 870         if (group instanceof GroupInfoV2) {
 871             return updateGroupV2((GroupInfoV2) group,
 872                     name,
 873                     description,
 874                     members,
 875                     removeMembers,
 876                     admins,
 877                     removeAdmins,
 878                     resetGroupLink,
 879                     groupLinkState,
 880                     avatarFile,
 881                     expirationTimer);
 882         }
 883
 884         final var gv1 = (GroupInfoV1) group;
 885         final var result = updateGroupV1(gv1, name, members, avatarFile);
 886         if (expirationTimer != null) {
 887             setExpirationTimer(gv1, expirationTimer);
 888         }
 889         return result;
 890     }
 891
 892     private Pair<Long, List<SendMessageResult>> updateGroupV1(
 893             final GroupInfoV1 gv1, final String name, final Set<RecipientId> members, final File avatarFile
 894     ) throws IOException, AttachmentInvalidException {
 895         updateGroupV1Details(gv1, name, members, avatarFile);
 896         var messageBuilder = getGroupUpdateMessageBuilder(gv1);
 897
 898         account.getGroupStore().updateGroup(gv1);
 899
 900         return sendMessage(messageBuilder, gv1.getMembersIncludingPendingWithout(account.getSelfRecipientId()));
 901     }
 902
 903     private void updateGroupV1Details(
 904             final GroupInfoV1 g, final String name, final Collection<RecipientId> members, final File avatarFile
 905     ) throws IOException {
 906         if (name != null) {
 907             g.name = name;
 908         }
 909
 910         if (members != null) {
 911             final var newMemberAddresses = members.stream()
 912                     .filter(member -> !g.isMember(member))
 913                     .map(this::resolveSignalServiceAddress)
 914                     .collect(Collectors.toList());
 915             final var newE164Members = new HashSet<String>();
 916             for (var member : newMemberAddresses) {
 917                 if (!member.getNumber().isPresent()) {
 918                     continue;
 919                 }
 920                 newE164Members.add(member.getNumber().get());
 921             }
 922
 923             final var registeredUsers = getRegisteredUsers(newE164Members);
 924             if (registeredUsers.size() != newE164Members.size()) {
 925                 // Some of the new members are not registered on Signal
 926                 newE164Members.removeAll(registeredUsers.keySet());
 927                 throw new IOException("Failed to add members "
 928                         + String.join(", ", newE164Members)
 929                         + " to group: Not registered on Signal");
 930             }
 931
 932             g.addMembers(members);
 933         }
 934
 935         if (avatarFile != null) {
 936             avatarStore.storeGroupAvatar(g.getGroupId(),
 937                     outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
 938         }
 939     }
 940
 941     private Pair<Long, List<SendMessageResult>> updateGroupV2(
 942             final GroupInfoV2 group,
 943             final String name,
 944             final String description,
 945             final Set<RecipientId> members,
 946             final Set<RecipientId> removeMembers,
 947             final Set<RecipientId> admins,
 948             final Set<RecipientId> removeAdmins,
 949             final boolean resetGroupLink,
 950             final GroupLinkState groupLinkState,
 951             final File avatarFile,
 952             Integer expirationTimer
 953     ) throws IOException {
 954         Pair<Long, List<SendMessageResult>> result = null;
 955         if (group.isPendingMember(account.getSelfRecipientId())) {
 956             var groupGroupChangePair = groupV2Helper.acceptInvite(group);
 957             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 958         }
 959
 960         if (members != null) {
 961             final var newMembers = new HashSet<>(members);
 962             newMembers.removeAll(group.getMembers());
 963             if (newMembers.size() > 0) {
 964                 var groupGroupChangePair = groupV2Helper.addMembers(group, newMembers);
 965                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 966             }
 967         }
 968
 969         if (removeMembers != null) {
 970             var existingRemoveMembers = new HashSet<>(removeMembers);
 971             existingRemoveMembers.retainAll(group.getMembers());
 972             existingRemoveMembers.remove(getSelfRecipientId());// self can be removed with sendQuitGroupMessage
 973             if (existingRemoveMembers.size() > 0) {
 974                 var groupGroupChangePair = groupV2Helper.removeMembers(group, existingRemoveMembers);
 975                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 976             }
 977
 978             var pendingRemoveMembers = new HashSet<>(removeMembers);
 979             pendingRemoveMembers.retainAll(group.getPendingMembers());
 980             if (pendingRemoveMembers.size() > 0) {
 981                 var groupGroupChangePair = groupV2Helper.revokeInvitedMembers(group, pendingRemoveMembers);
 982                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
 983             }
 984         }
 985
 986         if (admins != null) {
 987             final var newAdmins = new HashSet<>(admins);
 988             newAdmins.retainAll(group.getMembers());
 989             newAdmins.removeAll(group.getAdminMembers());
 990             if (newAdmins.size() > 0) {
 991                 for (var admin : newAdmins) {
 992                     var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, true);
 993                     result = sendUpdateGroupV2Message(group,
 994                             groupGroupChangePair.first(),
 995                             groupGroupChangePair.second());
 996                 }
 997             }
 998         }
 999
1000         if (removeAdmins != null) {
1001             final var existingRemoveAdmins = new HashSet<>(removeAdmins);
1002             existingRemoveAdmins.retainAll(group.getAdminMembers());
1003             if (existingRemoveAdmins.size() > 0) {
1004                 for (var admin : existingRemoveAdmins) {
1005                     var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, false);
1006                     result = sendUpdateGroupV2Message(group,
1007                             groupGroupChangePair.first(),
1008                             groupGroupChangePair.second());
1009                 }
1010             }
1011         }
1012
1013         if (resetGroupLink) {
1014             var groupGroupChangePair = groupV2Helper.resetGroupLinkPassword(group);
1015             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1016         }
1017
1018         if (groupLinkState != null) {
1019             var groupGroupChangePair = groupV2Helper.setGroupLinkState(group, groupLinkState);
1020             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1021         }
1022
1023         if (expirationTimer != null) {
1024             var groupGroupChangePair = groupV2Helper.setMessageExpirationTimer(group, expirationTimer);
1025             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1026         }
1027
1028         if (result == null || name != null || description != null || avatarFile != null) {
1029             var groupGroupChangePair = groupV2Helper.updateGroup(group, name, description, avatarFile);
1030             if (avatarFile != null) {
1031                 avatarStore.storeGroupAvatar(group.getGroupId(),
1032                         outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
1033             }
1034             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1035         }
1036
1037         return result;
1038     }
1039
1040     public Pair<GroupId, List<SendMessageResult>> joinGroup(
1041             GroupInviteLinkUrl inviteLinkUrl
1042     ) throws IOException, GroupLinkNotActiveException {
1043         final var groupJoinInfo = groupV2Helper.getDecryptedGroupJoinInfo(inviteLinkUrl.getGroupMasterKey(),
1044                 inviteLinkUrl.getPassword());
1045         final var groupChange = groupV2Helper.joinGroup(inviteLinkUrl.getGroupMasterKey(),
1046                 inviteLinkUrl.getPassword(),
1047                 groupJoinInfo);
1048         final var group = getOrMigrateGroup(inviteLinkUrl.getGroupMasterKey(),
1049                 groupJoinInfo.getRevision() + 1,
1050                 groupChange.toByteArray());
1051
1052         if (group.getGroup() == null) {
1053             // Only requested member, can't send update to group members
1054             return new Pair<>(group.getGroupId(), List.of());
1055         }
1056
1057         final var result = sendUpdateGroupV2Message(group, group.getGroup(), groupChange);
1058
1059         return new Pair<>(group.getGroupId(), result.second());
1060     }
1061
1062     private Pair<Long, List<SendMessageResult>> sendUpdateGroupV2Message(
1063             GroupInfoV2 group, DecryptedGroup newDecryptedGroup, GroupChange groupChange
1064     ) throws IOException {
1065         final var selfRecipientId = account.getSelfRecipientId();
1066         final var members = group.getMembersIncludingPendingWithout(selfRecipientId);
1067         group.setGroup(newDecryptedGroup, this::resolveRecipient);
1068         members.addAll(group.getMembersIncludingPendingWithout(selfRecipientId));
1069
1070         final var messageBuilder = getGroupUpdateMessageBuilder(group, groupChange.toByteArray());
1071         account.getGroupStore().updateGroup(group);
1072         return sendMessage(messageBuilder, members);
1073     }
1074
1075     private static int currentTimeDays() {
1076         return (int) TimeUnit.MILLISECONDS.toDays(System.currentTimeMillis());
1077     }
1078
1079     private GroupsV2AuthorizationString getGroupAuthForToday(
1080             final GroupSecretParams groupSecretParams
1081     ) throws IOException {
1082         final var today = currentTimeDays();
1083         // Returns credentials for the next 7 days
1084         final var credentials = groupsV2Api.getCredentials(today);
1085         // TODO cache credentials until they expire
1086         var authCredentialResponse = credentials.get(today);
1087         try {
1088             return groupsV2Api.getGroupsV2AuthorizationString(account.getUuid(),
1089                     today,
1090                     groupSecretParams,
1091                     authCredentialResponse);
1092         } catch (VerificationFailedException e) {
1093             throw new IOException(e);
1094         }
1095     }
1096
1097     Pair<Long, List<SendMessageResult>> sendGroupInfoMessage(
1098             GroupIdV1 groupId, SignalServiceAddress recipient
1099     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, AttachmentInvalidException {
1100         GroupInfoV1 g;
1101         var group = getGroupForSending(groupId);
1102         if (!(group instanceof GroupInfoV1)) {
1103             throw new RuntimeException("Received an invalid group request for a v2 group!");
1104         }
1105         g = (GroupInfoV1) group;
1106
1107         final var recipientId = resolveRecipient(recipient);
1108         if (!g.isMember(recipientId)) {
1109             throw new NotAGroupMemberException(groupId, g.name);
1110         }
1111
1112         var messageBuilder = getGroupUpdateMessageBuilder(g);
1113
1114         // Send group message only to the recipient who requested it
1115         return sendMessage(messageBuilder, Set.of(recipientId));
1116     }
1117
1118     private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfoV1 g) throws AttachmentInvalidException {
1119         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.UPDATE)
1120                 .withId(g.getGroupId().serialize())
1121                 .withName(g.name)
1122                 .withMembers(g.getMembers()
1123                         .stream()
1124                         .map(this::resolveSignalServiceAddress)
1125                         .collect(Collectors.toList()));
1126
1127         try {
1128             final var attachment = createGroupAvatarAttachment(g.getGroupId());
1129             if (attachment.isPresent()) {
1130                 group.withAvatar(attachment.get());
1131             }
1132         } catch (IOException e) {
1133             throw new AttachmentInvalidException(g.getGroupId().toBase64(), e);
1134         }
1135
1136         return SignalServiceDataMessage.newBuilder()
1137                 .asGroupMessage(group.build())
1138                 .withExpiration(g.getMessageExpirationTime());
1139     }
1140
1141     private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfoV2 g, byte[] signedGroupChange) {
1142         var group = SignalServiceGroupV2.newBuilder(g.getMasterKey())
1143                 .withRevision(g.getGroup().getRevision())
1144                 .withSignedGroupChange(signedGroupChange);
1145         return SignalServiceDataMessage.newBuilder()
1146                 .asGroupMessage(group.build())
1147                 .withExpiration(g.getMessageExpirationTime());
1148     }
1149
1150     Pair<Long, List<SendMessageResult>> sendGroupInfoRequest(
1151             GroupIdV1 groupId, SignalServiceAddress recipient
1152     ) throws IOException {
1153         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.REQUEST_INFO).withId(groupId.serialize());
1154
1155         var messageBuilder = SignalServiceDataMessage.newBuilder().asGroupMessage(group.build());
1156
1157         // Send group info request message to the recipient who sent us a message with this groupId
1158         return sendMessage(messageBuilder, Set.of(resolveRecipient(recipient)));
1159     }
1160
1161     void sendReceipt(
1162             SignalServiceAddress remoteAddress, long messageId
1163     ) throws IOException, UntrustedIdentityException {
1164         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.DELIVERY,
1165                 List.of(messageId),
1166                 System.currentTimeMillis());
1167
1168         createMessageSender().sendReceipt(remoteAddress,
1169                 unidentifiedAccessHelper.getAccessFor(resolveRecipient(remoteAddress)),
1170                 receiptMessage);
1171     }
1172
1173     public Pair<Long, List<SendMessageResult>> sendMessage(
1174             String messageText, List<String> attachments, List<String> recipients
1175     ) throws IOException, AttachmentInvalidException, InvalidNumberException {
1176         final var messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
1177         if (attachments != null) {
1178             var attachmentStreams = AttachmentUtils.getSignalServiceAttachments(attachments);
1179
1180             // Upload attachments here, so we only upload once even for multiple recipients
1181             var messageSender = createMessageSender();
1182             var attachmentPointers = new ArrayList<SignalServiceAttachment>(attachmentStreams.size());
1183             for (var attachment : attachmentStreams) {
1184                 if (attachment.isStream()) {
1185                     attachmentPointers.add(messageSender.uploadAttachment(attachment.asStream()));
1186                 } else if (attachment.isPointer()) {
1187                     attachmentPointers.add(attachment.asPointer());
1188                 }
1189             }
1190
1191             messageBuilder.withAttachments(attachmentPointers);
1192         }
1193         return sendMessage(messageBuilder, getSignalServiceAddresses(recipients));
1194     }
1195
1196     public Pair<Long, SendMessageResult> sendSelfMessage(
1197             String messageText, List<String> attachments
1198     ) throws IOException, AttachmentInvalidException {
1199         final var messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
1200         if (attachments != null) {
1201             messageBuilder.withAttachments(AttachmentUtils.getSignalServiceAttachments(attachments));
1202         }
1203         return sendSelfMessage(messageBuilder);
1204     }
1205
1206     public Pair<Long, List<SendMessageResult>> sendRemoteDeleteMessage(
1207             long targetSentTimestamp, List<String> recipients
1208     ) throws IOException, InvalidNumberException {
1209         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
1210         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
1211         return sendMessage(messageBuilder, getSignalServiceAddresses(recipients));
1212     }
1213
1214     public Pair<Long, List<SendMessageResult>> sendGroupRemoteDeleteMessage(
1215             long targetSentTimestamp, GroupId groupId
1216     ) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1217         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
1218         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
1219         return sendGroupMessage(messageBuilder, groupId);
1220     }
1221
1222     public Pair<Long, List<SendMessageResult>> sendMessageReaction(
1223             String emoji, boolean remove, String targetAuthor, long targetSentTimestamp, List<String> recipients
1224     ) throws IOException, InvalidNumberException {
1225         var targetAuthorRecipientId = canonicalizeAndResolveRecipient(targetAuthor);
1226         var reaction = new SignalServiceDataMessage.Reaction(emoji,
1227                 remove,
1228                 resolveSignalServiceAddress(targetAuthorRecipientId),
1229                 targetSentTimestamp);
1230         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
1231         return sendMessage(messageBuilder, getSignalServiceAddresses(recipients));
1232     }
1233
1234     public Pair<Long, List<SendMessageResult>> sendEndSessionMessage(List<String> recipients) throws IOException, InvalidNumberException {
1235         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
1236
1237         final var signalServiceAddresses = getSignalServiceAddresses(recipients);
1238         try {
1239             return sendMessage(messageBuilder, signalServiceAddresses);
1240         } catch (Exception e) {
1241             for (var address : signalServiceAddresses) {
1242                 handleEndSession(address);
1243             }
1244             throw e;
1245         }
1246     }
1247
1248     void renewSession(RecipientId recipientId) throws IOException {
1249         account.getSessionStore().archiveSessions(recipientId);
1250         if (!recipientId.equals(getSelfRecipientId())) {
1251             sendNullMessage(recipientId);
1252         }
1253     }
1254
1255     public String getContactName(String number) throws InvalidNumberException {
1256         var contact = account.getContactStore().getContact(canonicalizeAndResolveRecipient(number));
1257         return contact == null || contact.getName() == null ? "" : contact.getName();
1258     }
1259
1260     public void setContactName(String number, String name) throws InvalidNumberException, NotMasterDeviceException {
1261         if (!account.isMasterDevice()) {
1262             throw new NotMasterDeviceException();
1263         }
1264         final var recipientId = canonicalizeAndResolveRecipient(number);
1265         var contact = account.getContactStore().getContact(recipientId);
1266         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1267         account.getContactStore().storeContact(recipientId, builder.withName(name).build());
1268     }
1269
1270     public void setContactBlocked(
1271             String number, boolean blocked
1272     ) throws InvalidNumberException, NotMasterDeviceException {
1273         if (!account.isMasterDevice()) {
1274             throw new NotMasterDeviceException();
1275         }
1276         setContactBlocked(canonicalizeAndResolveRecipient(number), blocked);
1277     }
1278
1279     private void setContactBlocked(RecipientId recipientId, boolean blocked) {
1280         var contact = account.getContactStore().getContact(recipientId);
1281         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1282         account.getContactStore().storeContact(recipientId, builder.withBlocked(blocked).build());
1283     }
1284
1285     public void setGroupBlocked(final GroupId groupId, final boolean blocked) throws GroupNotFoundException {
1286         var group = getGroup(groupId);
1287         if (group == null) {
1288             throw new GroupNotFoundException(groupId);
1289         }
1290
1291         group.setBlocked(blocked);
1292         account.getGroupStore().updateGroup(group);
1293     }
1294
1295     private void setExpirationTimer(RecipientId recipientId, int messageExpirationTimer) {
1296         var contact = account.getContactStore().getContact(recipientId);
1297         if (contact != null && contact.getMessageExpirationTime() == messageExpirationTimer) {
1298             return;
1299         }
1300         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1301         account.getContactStore()
1302                 .storeContact(recipientId, builder.withMessageExpirationTime(messageExpirationTimer).build());
1303     }
1304
1305     private void sendExpirationTimerUpdate(RecipientId recipientId) throws IOException {
1306         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
1307         sendMessage(messageBuilder, Set.of(recipientId));
1308     }
1309
1310     /**
1311      * Change the expiration timer for a contact
1312      */
1313     public void setExpirationTimer(
1314             String number, int messageExpirationTimer
1315     ) throws IOException, InvalidNumberException {
1316         var recipientId = canonicalizeAndResolveRecipient(number);
1317         setExpirationTimer(recipientId, messageExpirationTimer);
1318         sendExpirationTimerUpdate(recipientId);
1319     }
1320
1321     /**
1322      * Change the expiration timer for a group
1323      */
1324     private void setExpirationTimer(
1325             GroupInfoV1 groupInfoV1, int messageExpirationTimer
1326     ) throws NotAGroupMemberException, GroupNotFoundException, IOException {
1327         groupInfoV1.messageExpirationTime = messageExpirationTimer;
1328         account.getGroupStore().updateGroup(groupInfoV1);
1329         sendExpirationTimerUpdate(groupInfoV1.getGroupId());
1330     }
1331
1332     private void sendExpirationTimerUpdate(GroupIdV1 groupId) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1333         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
1334         sendGroupMessage(messageBuilder, groupId);
1335     }
1336
1337     /**
1338      * Upload the sticker pack from path.
1339      *
1340      * @param path Path can be a path to a manifest.json file or to a zip file that contains a manifest.json file
1341      * @return if successful, returns the URL to install the sticker pack in the signal app
1342      */
1343     public String uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
1344         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
1345
1346         var messageSender = createMessageSender();
1347
1348         var packKey = KeyUtils.createStickerUploadKey();
1349         var packId = messageSender.uploadStickerManifest(manifest, packKey);
1350
1351         var sticker = new Sticker(StickerPackId.deserialize(Hex.fromStringCondensed(packId)), packKey);
1352         account.getStickerStore().updateSticker(sticker);
1353
1354         try {
1355             return new URI("https",
1356                     "signal.art",
1357                     "/addstickers/",
1358                     "pack_id=" + URLEncoder.encode(packId, StandardCharsets.UTF_8) + "&pack_key=" + URLEncoder.encode(
1359                             Hex.toStringCondensed(packKey),
1360                             StandardCharsets.UTF_8)).toString();
1361         } catch (URISyntaxException e) {
1362             throw new AssertionError(e);
1363         }
1364     }
1365
1366     public void requestAllSyncData() throws IOException {
1367         requestSyncGroups();
1368         requestSyncContacts();
1369         requestSyncBlocked();
1370         requestSyncConfiguration();
1371         requestSyncKeys();
1372     }
1373
1374     private void requestSyncGroups() throws IOException {
1375         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1376                 .setType(SignalServiceProtos.SyncMessage.Request.Type.GROUPS)
1377                 .build();
1378         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1379         try {
1380             sendSyncMessage(message);
1381         } catch (UntrustedIdentityException e) {
1382             throw new AssertionError(e);
1383         }
1384     }
1385
1386     private void requestSyncContacts() throws IOException {
1387         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1388                 .setType(SignalServiceProtos.SyncMessage.Request.Type.CONTACTS)
1389                 .build();
1390         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1391         try {
1392             sendSyncMessage(message);
1393         } catch (UntrustedIdentityException e) {
1394             throw new AssertionError(e);
1395         }
1396     }
1397
1398     private void requestSyncBlocked() throws IOException {
1399         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1400                 .setType(SignalServiceProtos.SyncMessage.Request.Type.BLOCKED)
1401                 .build();
1402         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1403         try {
1404             sendSyncMessage(message);
1405         } catch (UntrustedIdentityException e) {
1406             throw new AssertionError(e);
1407         }
1408     }
1409
1410     private void requestSyncConfiguration() throws IOException {
1411         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1412                 .setType(SignalServiceProtos.SyncMessage.Request.Type.CONFIGURATION)
1413                 .build();
1414         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1415         try {
1416             sendSyncMessage(message);
1417         } catch (UntrustedIdentityException e) {
1418             throw new AssertionError(e);
1419         }
1420     }
1421
1422     private void requestSyncKeys() throws IOException {
1423         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1424                 .setType(SignalServiceProtos.SyncMessage.Request.Type.KEYS)
1425                 .build();
1426         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1427         try {
1428             sendSyncMessage(message);
1429         } catch (UntrustedIdentityException e) {
1430             throw new AssertionError(e);
1431         }
1432     }
1433
1434     private byte[] getSenderCertificate() {
1435         byte[] certificate;
1436         try {
1437             if (account.isPhoneNumberShared()) {
1438                 certificate = accountManager.getSenderCertificate();
1439             } else {
1440                 certificate = accountManager.getSenderCertificateForPhoneNumberPrivacy();
1441             }
1442         } catch (IOException e) {
1443             logger.warn("Failed to get sender certificate, ignoring: {}", e.getMessage());
1444             return null;
1445         }
1446         // TODO cache for a day
1447         return certificate;
1448     }
1449
1450     private void sendSyncMessage(SignalServiceSyncMessage message) throws IOException, UntrustedIdentityException {
1451         var messageSender = createMessageSender();
1452         messageSender.sendMessage(message, unidentifiedAccessHelper.getAccessForSync());
1453     }
1454
1455     private Set<RecipientId> getSignalServiceAddresses(Collection<String> numbers) throws InvalidNumberException {
1456         final var signalServiceAddresses = new HashSet<SignalServiceAddress>(numbers.size());
1457         final var addressesMissingUuid = new HashSet<SignalServiceAddress>();
1458
1459         for (var number : numbers) {
1460             final var resolvedAddress = resolveSignalServiceAddress(canonicalizeAndResolveRecipient(number));
1461             if (resolvedAddress.getUuid().isPresent()) {
1462                 signalServiceAddresses.add(resolvedAddress);
1463             } else {
1464                 addressesMissingUuid.add(resolvedAddress);
1465             }
1466         }
1467
1468         final var numbersMissingUuid = addressesMissingUuid.stream()
1469                 .map(a -> a.getNumber().get())
1470                 .collect(Collectors.toSet());
1471         Map<String, UUID> registeredUsers;
1472         try {
1473             registeredUsers = getRegisteredUsers(numbersMissingUuid);
1474         } catch (IOException e) {
1475             logger.warn("Failed to resolve uuids from server, ignoring: {}", e.getMessage());
1476             registeredUsers = Map.of();
1477         }
1478
1479         for (var address : addressesMissingUuid) {
1480             final var number = address.getNumber().get();
1481             if (registeredUsers.containsKey(number)) {
1482                 final var newAddress = resolveSignalServiceAddress(resolveRecipientTrusted(new SignalServiceAddress(
1483                         registeredUsers.get(number),
1484                         number)));
1485                 signalServiceAddresses.add(newAddress);
1486             } else {
1487                 signalServiceAddresses.add(address);
1488             }
1489         }
1490
1491         return signalServiceAddresses.stream().map(this::resolveRecipient).collect(Collectors.toSet());
1492     }
1493
1494     private RecipientId refreshRegisteredUser(RecipientId recipientId) throws IOException {
1495         final var address = resolveSignalServiceAddress(recipientId);
1496         if (!address.getNumber().isPresent()) {
1497             return recipientId;
1498         }
1499         final var number = address.getNumber().get();
1500         final var uuidMap = getRegisteredUsers(Set.of(number));
1501         return resolveRecipientTrusted(new SignalServiceAddress(uuidMap.getOrDefault(number, null), number));
1502     }
1503
1504     private Map<String, UUID> getRegisteredUsers(final Set<String> numbers) throws IOException {
1505         try {
1506             return accountManager.getRegisteredUsers(ServiceConfig.getIasKeyStore(),
1507                     numbers,
1508                     serviceEnvironmentConfig.getCdsMrenclave());
1509         } catch (Quote.InvalidQuoteFormatException | UnauthenticatedQuoteException | SignatureException | UnauthenticatedResponseException | InvalidKeyException e) {
1510             throw new IOException(e);
1511         }
1512     }
1513
1514     private Pair<Long, List<SendMessageResult>> sendMessage(
1515             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientId> recipientIds
1516     ) throws IOException {
1517         final var timestamp = System.currentTimeMillis();
1518         messageBuilder.withTimestamp(timestamp);
1519         getOrCreateMessagePipe();
1520         getOrCreateUnidentifiedMessagePipe();
1521         SignalServiceDataMessage message = null;
1522         try {
1523             message = messageBuilder.build();
1524             if (message.getGroupContext().isPresent()) {
1525                 try {
1526                     var messageSender = createMessageSender();
1527                     final var isRecipientUpdate = false;
1528                     final var recipientIdList = new ArrayList<>(recipientIds);
1529                     final var addresses = recipientIdList.stream()
1530                             .map(this::resolveSignalServiceAddress)
1531                             .collect(Collectors.toList());
1532                     var result = messageSender.sendMessage(addresses,
1533                             unidentifiedAccessHelper.getAccessFor(recipientIdList),
1534                             isRecipientUpdate,
1535                             message);
1536
1537                     for (var r : result) {
1538                         if (r.getIdentityFailure() != null) {
1539                             final var recipientId = resolveRecipient(r.getAddress());
1540                             final var newIdentity = account.getIdentityKeyStore()
1541                                     .saveIdentity(recipientId, r.getIdentityFailure().getIdentityKey(), new Date());
1542                             if (newIdentity) {
1543                                 account.getSessionStore().archiveSessions(recipientId);
1544                             }
1545                         }
1546                     }
1547
1548                     return new Pair<>(timestamp, result);
1549                 } catch (UntrustedIdentityException e) {
1550                     return new Pair<>(timestamp, List.of());
1551                 }
1552             } else {
1553                 // Send to all individually, so sync messages are sent correctly
1554                 messageBuilder.withProfileKey(account.getProfileKey().serialize());
1555                 var results = new ArrayList<SendMessageResult>(recipientIds.size());
1556                 for (var recipientId : recipientIds) {
1557                     final var contact = account.getContactStore().getContact(recipientId);
1558                     final var expirationTime = contact != null ? contact.getMessageExpirationTime() : 0;
1559                     messageBuilder.withExpiration(expirationTime);
1560                     message = messageBuilder.build();
1561                     results.add(sendMessage(recipientId, message));
1562                 }
1563                 return new Pair<>(timestamp, results);
1564             }
1565         } finally {
1566             if (message != null && message.isEndSession()) {
1567                 for (var recipient : recipientIds) {
1568                     handleEndSession(recipient);
1569                 }
1570             }
1571         }
1572     }
1573
1574     private Pair<Long, SendMessageResult> sendSelfMessage(
1575             SignalServiceDataMessage.Builder messageBuilder
1576     ) throws IOException {
1577         final var timestamp = System.currentTimeMillis();
1578         messageBuilder.withTimestamp(timestamp);
1579         getOrCreateMessagePipe();
1580         getOrCreateUnidentifiedMessagePipe();
1581         final var recipientId = account.getSelfRecipientId();
1582
1583         final var contact = account.getContactStore().getContact(recipientId);
1584         final var expirationTime = contact != null ? contact.getMessageExpirationTime() : 0;
1585         messageBuilder.withExpiration(expirationTime);
1586
1587         var message = messageBuilder.build();
1588         final var result = sendSelfMessage(message);
1589         return new Pair<>(timestamp, result);
1590     }
1591
1592     private SendMessageResult sendSelfMessage(SignalServiceDataMessage message) throws IOException {
1593         var messageSender = createMessageSender();
1594
1595         var recipientId = account.getSelfRecipientId();
1596
1597         final var unidentifiedAccess = unidentifiedAccessHelper.getAccessFor(recipientId);
1598         var recipient = resolveSignalServiceAddress(recipientId);
1599         var transcript = new SentTranscriptMessage(Optional.of(recipient),
1600                 message.getTimestamp(),
1601                 message,
1602                 message.getExpiresInSeconds(),
1603                 Map.of(recipient, unidentifiedAccess.isPresent()),
1604                 false);
1605         var syncMessage = SignalServiceSyncMessage.forSentTranscript(transcript);
1606
1607         try {
1608             var startTime = System.currentTimeMillis();
1609             messageSender.sendMessage(syncMessage, unidentifiedAccess);
1610             return SendMessageResult.success(recipient,
1611                     unidentifiedAccess.isPresent(),
1612                     false,
1613                     System.currentTimeMillis() - startTime);
1614         } catch (UntrustedIdentityException e) {
1615             return SendMessageResult.identityFailure(recipient, e.getIdentityKey());
1616         }
1617     }
1618
1619     private SendMessageResult sendMessage(
1620             RecipientId recipientId, SignalServiceDataMessage message
1621     ) throws IOException {
1622         var messageSender = createMessageSender();
1623
1624         final var address = resolveSignalServiceAddress(recipientId);
1625         try {
1626             try {
1627                 return messageSender.sendMessage(address, unidentifiedAccessHelper.getAccessFor(recipientId), message);
1628             } catch (UnregisteredUserException e) {
1629                 final var newRecipientId = refreshRegisteredUser(recipientId);
1630                 return messageSender.sendMessage(resolveSignalServiceAddress(newRecipientId),
1631                         unidentifiedAccessHelper.getAccessFor(newRecipientId),
1632                         message);
1633             }
1634         } catch (UntrustedIdentityException e) {
1635             return SendMessageResult.identityFailure(address, e.getIdentityKey());
1636         }
1637     }
1638
1639     private SendMessageResult sendNullMessage(RecipientId recipientId) throws IOException {
1640         var messageSender = createMessageSender();
1641
1642         final var address = resolveSignalServiceAddress(recipientId);
1643         try {
1644             try {
1645                 return messageSender.sendNullMessage(address, unidentifiedAccessHelper.getAccessFor(recipientId));
1646             } catch (UnregisteredUserException e) {
1647                 final var newRecipientId = refreshRegisteredUser(recipientId);
1648                 final var newAddress = resolveSignalServiceAddress(newRecipientId);
1649                 return messageSender.sendNullMessage(newAddress, unidentifiedAccessHelper.getAccessFor(newRecipientId));
1650             }
1651         } catch (UntrustedIdentityException e) {
1652             return SendMessageResult.identityFailure(address, e.getIdentityKey());
1653         }
1654     }
1655
1656     private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) throws InvalidMetadataMessageException, ProtocolInvalidMessageException, ProtocolDuplicateMessageException, ProtocolLegacyMessageException, ProtocolInvalidKeyIdException, InvalidMetadataVersionException, ProtocolInvalidVersionException, ProtocolNoSessionException, ProtocolInvalidKeyException, SelfSendException, UnsupportedDataMessageException, ProtocolUntrustedIdentityException {
1657         var cipher = new SignalServiceCipher(account.getSelfAddress(),
1658                 account.getSignalProtocolStore(),
1659                 sessionLock,
1660                 certificateValidator);
1661         return cipher.decrypt(envelope);
1662     }
1663
1664     private void handleEndSession(RecipientId recipientId) {
1665         account.getSessionStore().deleteAllSessions(recipientId);
1666     }
1667
1668     private List<HandleAction> handleSignalServiceDataMessage(
1669             SignalServiceDataMessage message,
1670             boolean isSync,
1671             SignalServiceAddress source,
1672             SignalServiceAddress destination,
1673             boolean ignoreAttachments
1674     ) {
1675         var actions = new ArrayList<HandleAction>();
1676         if (message.getGroupContext().isPresent()) {
1677             if (message.getGroupContext().get().getGroupV1().isPresent()) {
1678                 var groupInfo = message.getGroupContext().get().getGroupV1().get();
1679                 var groupId = GroupId.v1(groupInfo.getGroupId());
1680                 var group = getGroup(groupId);
1681                 if (group == null || group instanceof GroupInfoV1) {
1682                     var groupV1 = (GroupInfoV1) group;
1683                     switch (groupInfo.getType()) {
1684                         case UPDATE: {
1685                             if (groupV1 == null) {
1686                                 groupV1 = new GroupInfoV1(groupId);
1687                             }
1688
1689                             if (groupInfo.getAvatar().isPresent()) {
1690                                 var avatar = groupInfo.getAvatar().get();
1691                                 downloadGroupAvatar(avatar, groupV1.getGroupId());
1692                             }
1693
1694                             if (groupInfo.getName().isPresent()) {
1695                                 groupV1.name = groupInfo.getName().get();
1696                             }
1697
1698                             if (groupInfo.getMembers().isPresent()) {
1699                                 groupV1.addMembers(groupInfo.getMembers()
1700                                         .get()
1701                                         .stream()
1702                                         .map(this::resolveRecipient)
1703                                         .collect(Collectors.toSet()));
1704                             }
1705
1706                             account.getGroupStore().updateGroup(groupV1);
1707                             break;
1708                         }
1709                         case DELIVER:
1710                             if (groupV1 == null && !isSync) {
1711                                 actions.add(new SendGroupInfoRequestAction(source, groupId));
1712                             }
1713                             break;
1714                         case QUIT: {
1715                             if (groupV1 != null) {
1716                                 groupV1.removeMember(resolveRecipient(source));
1717                                 account.getGroupStore().updateGroup(groupV1);
1718                             }
1719                             break;
1720                         }
1721                         case REQUEST_INFO:
1722                             if (groupV1 != null && !isSync) {
1723                                 actions.add(new SendGroupInfoAction(source, groupV1.getGroupId()));
1724                             }
1725                             break;
1726                     }
1727                 } else {
1728                     // Received a group v1 message for a v2 group
1729                 }
1730             }
1731             if (message.getGroupContext().get().getGroupV2().isPresent()) {
1732                 final var groupContext = message.getGroupContext().get().getGroupV2().get();
1733                 final var groupMasterKey = groupContext.getMasterKey();
1734
1735                 getOrMigrateGroup(groupMasterKey,
1736                         groupContext.getRevision(),
1737                         groupContext.hasSignedGroupChange() ? groupContext.getSignedGroupChange() : null);
1738             }
1739         }
1740
1741         final var conversationPartnerAddress = isSync ? destination : source;
1742         if (conversationPartnerAddress != null && message.isEndSession()) {
1743             handleEndSession(resolveRecipient(conversationPartnerAddress));
1744         }
1745         if (message.isExpirationUpdate() || message.getBody().isPresent()) {
1746             if (message.getGroupContext().isPresent()) {
1747                 if (message.getGroupContext().get().getGroupV1().isPresent()) {
1748                     var groupInfo = message.getGroupContext().get().getGroupV1().get();
1749                     var group = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(groupInfo.getGroupId()));
1750                     if (group != null) {
1751                         if (group.messageExpirationTime != message.getExpiresInSeconds()) {
1752                             group.messageExpirationTime = message.getExpiresInSeconds();
1753                             account.getGroupStore().updateGroup(group);
1754                         }
1755                     }
1756                 } else if (message.getGroupContext().get().getGroupV2().isPresent()) {
1757                     // disappearing message timer already stored in the DecryptedGroup
1758                 }
1759             } else if (conversationPartnerAddress != null) {
1760                 setExpirationTimer(resolveRecipient(conversationPartnerAddress), message.getExpiresInSeconds());
1761             }
1762         }
1763         if (!ignoreAttachments) {
1764             if (message.getAttachments().isPresent()) {
1765                 for (var attachment : message.getAttachments().get()) {
1766                     downloadAttachment(attachment);
1767                 }
1768             }
1769             if (message.getSharedContacts().isPresent()) {
1770                 for (var contact : message.getSharedContacts().get()) {
1771                     if (contact.getAvatar().isPresent()) {
1772                         downloadAttachment(contact.getAvatar().get().getAttachment());
1773                     }
1774                 }
1775             }
1776         }
1777         if (message.getProfileKey().isPresent() && message.getProfileKey().get().length == 32) {
1778             final ProfileKey profileKey;
1779             try {
1780                 profileKey = new ProfileKey(message.getProfileKey().get());
1781             } catch (InvalidInputException e) {
1782                 throw new AssertionError(e);
1783             }
1784             if (source.matches(account.getSelfAddress())) {
1785                 this.account.setProfileKey(profileKey);
1786             }
1787             this.account.getProfileStore().storeProfileKey(resolveRecipient(source), profileKey);
1788         }
1789         if (message.getPreviews().isPresent()) {
1790             final var previews = message.getPreviews().get();
1791             for (var preview : previews) {
1792                 if (preview.getImage().isPresent()) {
1793                     downloadAttachment(preview.getImage().get());
1794                 }
1795             }
1796         }
1797         if (message.getQuote().isPresent()) {
1798             final var quote = message.getQuote().get();
1799
1800             for (var quotedAttachment : quote.getAttachments()) {
1801                 final var thumbnail = quotedAttachment.getThumbnail();
1802                 if (thumbnail != null) {
1803                     downloadAttachment(thumbnail);
1804                 }
1805             }
1806         }
1807         if (message.getSticker().isPresent()) {
1808             final var messageSticker = message.getSticker().get();
1809             final var stickerPackId = StickerPackId.deserialize(messageSticker.getPackId());
1810             var sticker = account.getStickerStore().getSticker(stickerPackId);
1811             if (sticker == null) {
1812                 sticker = new Sticker(stickerPackId, messageSticker.getPackKey());
1813                 account.getStickerStore().updateSticker(sticker);
1814             }
1815         }
1816         return actions;
1817     }
1818
1819     private GroupInfoV2 getOrMigrateGroup(
1820             final GroupMasterKey groupMasterKey, final int revision, final byte[] signedGroupChange
1821     ) {
1822         final var groupSecretParams = GroupSecretParams.deriveFromMasterKey(groupMasterKey);
1823
1824         var groupId = GroupUtils.getGroupIdV2(groupSecretParams);
1825         var groupInfo = getGroup(groupId);
1826         final GroupInfoV2 groupInfoV2;
1827         if (groupInfo instanceof GroupInfoV1) {
1828             // Received a v2 group message for a v1 group, we need to locally migrate the group
1829             account.getGroupStore().deleteGroupV1(((GroupInfoV1) groupInfo).getGroupId());
1830             groupInfoV2 = new GroupInfoV2(groupId, groupMasterKey);
1831             logger.info("Locally migrated group {} to group v2, id: {}",
1832                     groupInfo.getGroupId().toBase64(),
1833                     groupInfoV2.getGroupId().toBase64());
1834         } else if (groupInfo instanceof GroupInfoV2) {
1835             groupInfoV2 = (GroupInfoV2) groupInfo;
1836         } else {
1837             groupInfoV2 = new GroupInfoV2(groupId, groupMasterKey);
1838         }
1839
1840         if (groupInfoV2.getGroup() == null || groupInfoV2.getGroup().getRevision() < revision) {
1841             DecryptedGroup group = null;
1842             if (signedGroupChange != null
1843                     && groupInfoV2.getGroup() != null
1844                     && groupInfoV2.getGroup().getRevision() + 1 == revision) {
1845                 group = groupV2Helper.getUpdatedDecryptedGroup(groupInfoV2.getGroup(),
1846                         signedGroupChange,
1847                         groupMasterKey);
1848             }
1849             if (group == null) {
1850                 group = groupV2Helper.getDecryptedGroup(groupSecretParams);
1851             }
1852             if (group != null) {
1853                 storeProfileKeysFromMembers(group);
1854                 final var avatar = group.getAvatar();
1855                 if (avatar != null && !avatar.isEmpty()) {
1856                     downloadGroupAvatar(groupId, groupSecretParams, avatar);
1857                 }
1858             }
1859             groupInfoV2.setGroup(group, this::resolveRecipient);
1860             account.getGroupStore().updateGroup(groupInfoV2);
1861         }
1862
1863         return groupInfoV2;
1864     }
1865
1866     private void storeProfileKeysFromMembers(final DecryptedGroup group) {
1867         for (var member : group.getMembersList()) {
1868             final var uuid = UuidUtil.parseOrThrow(member.getUuid().toByteArray());
1869             final var recipientId = account.getRecipientStore().resolveRecipient(uuid);
1870             try {
1871                 account.getProfileStore()
1872                         .storeProfileKey(recipientId, new ProfileKey(member.getProfileKey().toByteArray()));
1873             } catch (InvalidInputException ignored) {
1874             }
1875         }
1876     }
1877
1878     private void retryFailedReceivedMessages(ReceiveMessageHandler handler, boolean ignoreAttachments) {
1879         Set<HandleAction> queuedActions = new HashSet<>();
1880         for (var cachedMessage : account.getMessageCache().getCachedMessages()) {
1881             var actions = retryFailedReceivedMessage(handler, ignoreAttachments, cachedMessage);
1882             if (actions != null) {
1883                 queuedActions.addAll(actions);
1884             }
1885         }
1886         for (var action : queuedActions) {
1887             try {
1888                 action.execute(this);
1889             } catch (Throwable e) {
1890                 logger.warn("Message action failed.", e);
1891             }
1892         }
1893     }
1894
1895     private List<HandleAction> retryFailedReceivedMessage(
1896             final ReceiveMessageHandler handler, final boolean ignoreAttachments, final CachedMessage cachedMessage
1897     ) {
1898         var envelope = cachedMessage.loadEnvelope();
1899         if (envelope == null) {
1900             return null;
1901         }
1902         SignalServiceContent content = null;
1903         List<HandleAction> actions = null;
1904         if (!envelope.isReceipt()) {
1905             try {
1906                 content = decryptMessage(envelope);
1907             } catch (ProtocolUntrustedIdentityException e) {
1908                 if (!envelope.hasSource()) {
1909                     final var identifier = e.getSender();
1910                     final var recipientId = resolveRecipient(identifier);
1911                     try {
1912                         account.getMessageCache().replaceSender(cachedMessage, recipientId);
1913                     } catch (IOException ioException) {
1914                         logger.warn("Failed to move cached message to recipient folder: {}", ioException.getMessage());
1915                     }
1916                 }
1917                 return null;
1918             } catch (Exception er) {
1919                 // All other errors are not recoverable, so delete the cached message
1920                 cachedMessage.delete();
1921                 return null;
1922             }
1923             actions = handleMessage(envelope, content, ignoreAttachments);
1924         }
1925         handler.handleMessage(envelope, content, null);
1926         cachedMessage.delete();
1927         return actions;
1928     }
1929
1930     public void receiveMessages(
1931             long timeout,
1932             TimeUnit unit,
1933             boolean returnOnTimeout,
1934             boolean ignoreAttachments,
1935             ReceiveMessageHandler handler
1936     ) throws IOException {
1937         retryFailedReceivedMessages(handler, ignoreAttachments);
1938
1939         Set<HandleAction> queuedActions = null;
1940
1941         final var messagePipe = getOrCreateMessagePipe();
1942
1943         var hasCaughtUpWithOldMessages = false;
1944
1945         while (true) {
1946             SignalServiceEnvelope envelope;
1947             SignalServiceContent content = null;
1948             Exception exception = null;
1949             final CachedMessage[] cachedMessage = {null};
1950             try {
1951                 var result = messagePipe.readOrEmpty(timeout, unit, envelope1 -> {
1952                     final var recipientId = envelope1.hasSource()
1953                             ? resolveRecipient(envelope1.getSourceIdentifier())
1954                             : null;
1955                     // store message on disk, before acknowledging receipt to the server
1956                     cachedMessage[0] = account.getMessageCache().cacheMessage(envelope1, recipientId);
1957                 });
1958                 if (result.isPresent()) {
1959                     envelope = result.get();
1960                 } else {
1961                     // Received indicator that server queue is empty
1962                     hasCaughtUpWithOldMessages = true;
1963
1964                     if (queuedActions != null) {
1965                         for (var action : queuedActions) {
1966                             try {
1967                                 action.execute(this);
1968                             } catch (Throwable e) {
1969                                 logger.warn("Message action failed.", e);
1970                             }
1971                         }
1972                         queuedActions.clear();
1973                         queuedActions = null;
1974                     }
1975
1976                     // Continue to wait another timeout for new messages
1977                     continue;
1978                 }
1979             } catch (TimeoutException e) {
1980                 if (returnOnTimeout) return;
1981                 continue;
1982             }
1983
1984             if (envelope.hasSource()) {
1985                 // Store uuid if we don't have it already
1986                 // address/uuid in envelope is sent by server
1987                 resolveRecipientTrusted(envelope.getSourceAddress());
1988             }
1989             final var notAGroupMember = isNotAGroupMember(envelope, content);
1990             if (!envelope.isReceipt()) {
1991                 try {
1992                     content = decryptMessage(envelope);
1993                 } catch (Exception e) {
1994                     exception = e;
1995                 }
1996                 if (!envelope.hasSource() && content != null) {
1997                     // Store uuid if we don't have it already
1998                     // address/uuid is validated by unidentified sender certificate
1999                     resolveRecipientTrusted(content.getSender());
2000                 }
2001                 var actions = handleMessage(envelope, content, ignoreAttachments);
2002                 if (exception instanceof ProtocolInvalidMessageException) {
2003                     final var sender = resolveRecipient(((ProtocolInvalidMessageException) exception).getSender());
2004                     logger.debug("Received invalid message, queuing renew session action.");
2005                     actions.add(new RenewSessionAction(sender));
2006                 }
2007                 if (hasCaughtUpWithOldMessages) {
2008                     for (var action : actions) {
2009                         try {
2010                             action.execute(this);
2011                         } catch (Throwable e) {
2012                             logger.warn("Message action failed.", e);
2013                         }
2014                     }
2015                 } else {
2016                     if (queuedActions == null) {
2017                         queuedActions = new HashSet<>();
2018                     }
2019                     queuedActions.addAll(actions);
2020                 }
2021             }
2022             if (isMessageBlocked(envelope, content)) {
2023                 logger.info("Ignoring a message from blocked user/group: {}", envelope.getTimestamp());
2024             } else if (notAGroupMember) {
2025                 logger.info("Ignoring a message from a non group member: {}", envelope.getTimestamp());
2026             } else {
2027                 handler.handleMessage(envelope, content, exception);
2028             }
2029             if (cachedMessage[0] != null) {
2030                 if (exception instanceof ProtocolUntrustedIdentityException) {
2031                     final var identifier = ((ProtocolUntrustedIdentityException) exception).getSender();
2032                     final var recipientId = resolveRecipient(identifier);
2033                     queuedActions.add(new RetrieveProfileAction(recipientId));
2034                     if (!envelope.hasSource()) {
2035                         try {
2036                             cachedMessage[0] = account.getMessageCache().replaceSender(cachedMessage[0], recipientId);
2037                         } catch (IOException ioException) {
2038                             logger.warn("Failed to move cached message to recipient folder: {}",
2039                                     ioException.getMessage());
2040                         }
2041                     }
2042                 } else {
2043                     cachedMessage[0].delete();
2044                 }
2045             }
2046         }
2047     }
2048
2049     private boolean isMessageBlocked(
2050             SignalServiceEnvelope envelope, SignalServiceContent content
2051     ) {
2052         SignalServiceAddress source;
2053         if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2054             source = envelope.getSourceAddress();
2055         } else if (content != null) {
2056             source = content.getSender();
2057         } else {
2058             return false;
2059         }
2060         final var recipientId = resolveRecipient(source);
2061         if (isContactBlocked(recipientId)) {
2062             return true;
2063         }
2064
2065         if (content != null && content.getDataMessage().isPresent()) {
2066             var message = content.getDataMessage().get();
2067             if (message.getGroupContext().isPresent()) {
2068                 var groupId = GroupUtils.getGroupId(message.getGroupContext().get());
2069                 var group = getGroup(groupId);
2070                 if (group != null && group.isBlocked()) {
2071                     return true;
2072                 }
2073             }
2074         }
2075         return false;
2076     }
2077
2078     public boolean isContactBlocked(final String identifier) throws InvalidNumberException {
2079         final var recipientId = canonicalizeAndResolveRecipient(identifier);
2080         return isContactBlocked(recipientId);
2081     }
2082
2083     private boolean isContactBlocked(final RecipientId recipientId) {
2084         var sourceContact = account.getContactStore().getContact(recipientId);
2085         return sourceContact != null && sourceContact.isBlocked();
2086     }
2087
2088     private boolean isNotAGroupMember(
2089             SignalServiceEnvelope envelope, SignalServiceContent content
2090     ) {
2091         SignalServiceAddress source;
2092         if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2093             source = envelope.getSourceAddress();
2094         } else if (content != null) {
2095             source = content.getSender();
2096         } else {
2097             return false;
2098         }
2099
2100         if (content != null && content.getDataMessage().isPresent()) {
2101             var message = content.getDataMessage().get();
2102             if (message.getGroupContext().isPresent()) {
2103                 if (message.getGroupContext().get().getGroupV1().isPresent()) {
2104                     var groupInfo = message.getGroupContext().get().getGroupV1().get();
2105                     if (groupInfo.getType() == SignalServiceGroup.Type.QUIT) {
2106                         return false;
2107                     }
2108                 }
2109                 var groupId = GroupUtils.getGroupId(message.getGroupContext().get());
2110                 var group = getGroup(groupId);
2111                 if (group != null && !group.isMember(resolveRecipient(source))) {
2112                     return true;
2113                 }
2114             }
2115         }
2116         return false;
2117     }
2118
2119     private List<HandleAction> handleMessage(
2120             SignalServiceEnvelope envelope, SignalServiceContent content, boolean ignoreAttachments
2121     ) {
2122         var actions = new ArrayList<HandleAction>();
2123         if (content != null) {
2124             final SignalServiceAddress sender;
2125             if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2126                 sender = envelope.getSourceAddress();
2127             } else {
2128                 sender = content.getSender();
2129             }
2130
2131             if (content.getDataMessage().isPresent()) {
2132                 var message = content.getDataMessage().get();
2133
2134                 if (content.isNeedsReceipt()) {
2135                     actions.add(new SendReceiptAction(sender, message.getTimestamp()));
2136                 }
2137
2138                 actions.addAll(handleSignalServiceDataMessage(message,
2139                         false,
2140                         sender,
2141                         account.getSelfAddress(),
2142                         ignoreAttachments));
2143             }
2144             if (content.getSyncMessage().isPresent()) {
2145                 account.setMultiDevice(true);
2146                 var syncMessage = content.getSyncMessage().get();
2147                 if (syncMessage.getSent().isPresent()) {
2148                     var message = syncMessage.getSent().get();
2149                     final var destination = message.getDestination().orNull();
2150                     actions.addAll(handleSignalServiceDataMessage(message.getMessage(),
2151                             true,
2152                             sender,
2153                             destination,
2154                             ignoreAttachments));
2155                 }
2156                 if (syncMessage.getRequest().isPresent() && account.isMasterDevice()) {
2157                     var rm = syncMessage.getRequest().get();
2158                     if (rm.isContactsRequest()) {
2159                         actions.add(SendSyncContactsAction.create());
2160                     }
2161                     if (rm.isGroupsRequest()) {
2162                         actions.add(SendSyncGroupsAction.create());
2163                     }
2164                     if (rm.isBlockedListRequest()) {
2165                         actions.add(SendSyncBlockedListAction.create());
2166                     }
2167                     // TODO Handle rm.isConfigurationRequest(); rm.isKeysRequest();
2168                 }
2169                 if (syncMessage.getGroups().isPresent()) {
2170                     File tmpFile = null;
2171                     try {
2172                         tmpFile = IOUtils.createTempFile();
2173                         final var groupsMessage = syncMessage.getGroups().get();
2174                         try (var attachmentAsStream = retrieveAttachmentAsStream(groupsMessage.asPointer(), tmpFile)) {
2175                             var s = new DeviceGroupsInputStream(attachmentAsStream);
2176                             DeviceGroup g;
2177                             while ((g = s.read()) != null) {
2178                                 var syncGroup = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(g.getId()));
2179                                 if (syncGroup != null) {
2180                                     if (g.getName().isPresent()) {
2181                                         syncGroup.name = g.getName().get();
2182                                     }
2183                                     syncGroup.addMembers(g.getMembers()
2184                                             .stream()
2185                                             .map(this::resolveRecipient)
2186                                             .collect(Collectors.toSet()));
2187                                     if (!g.isActive()) {
2188                                         syncGroup.removeMember(account.getSelfRecipientId());
2189                                     } else {
2190                                         // Add ourself to the member set as it's marked as active
2191                                         syncGroup.addMembers(List.of(account.getSelfRecipientId()));
2192                                     }
2193                                     syncGroup.blocked = g.isBlocked();
2194                                     if (g.getColor().isPresent()) {
2195                                         syncGroup.color = g.getColor().get();
2196                                     }
2197
2198                                     if (g.getAvatar().isPresent()) {
2199                                         downloadGroupAvatar(g.getAvatar().get(), syncGroup.getGroupId());
2200                                     }
2201                                     syncGroup.archived = g.isArchived();
2202                                     account.getGroupStore().updateGroup(syncGroup);
2203                                 }
2204                             }
2205                         }
2206                     } catch (Exception e) {
2207                         logger.warn("Failed to handle received sync groups “{}”, ignoring: {}",
2208                                 tmpFile,
2209                                 e.getMessage());
2210                     } finally {
2211                         if (tmpFile != null) {
2212                             try {
2213                                 Files.delete(tmpFile.toPath());
2214                             } catch (IOException e) {
2215                                 logger.warn("Failed to delete received groups temp file “{}”, ignoring: {}",
2216                                         tmpFile,
2217                                         e.getMessage());
2218                             }
2219                         }
2220                     }
2221                 }
2222                 if (syncMessage.getBlockedList().isPresent()) {
2223                     final var blockedListMessage = syncMessage.getBlockedList().get();
2224                     for (var address : blockedListMessage.getAddresses()) {
2225                         setContactBlocked(resolveRecipient(address), true);
2226                     }
2227                     for (var groupId : blockedListMessage.getGroupIds()
2228                             .stream()
2229                             .map(GroupId::unknownVersion)
2230                             .collect(Collectors.toSet())) {
2231                         try {
2232                             setGroupBlocked(groupId, true);
2233                         } catch (GroupNotFoundException e) {
2234                             logger.warn("BlockedListMessage contained groupID that was not found in GroupStore: {}",
2235                                     groupId.toBase64());
2236                         }
2237                     }
2238                 }
2239                 if (syncMessage.getContacts().isPresent()) {
2240                     File tmpFile = null;
2241                     try {
2242                         tmpFile = IOUtils.createTempFile();
2243                         final var contactsMessage = syncMessage.getContacts().get();
2244                         try (var attachmentAsStream = retrieveAttachmentAsStream(contactsMessage.getContactsStream()
2245                                 .asPointer(), tmpFile)) {
2246                             var s = new DeviceContactsInputStream(attachmentAsStream);
2247                             DeviceContact c;
2248                             while ((c = s.read()) != null) {
2249                                 if (c.getAddress().matches(account.getSelfAddress()) && c.getProfileKey().isPresent()) {
2250                                     account.setProfileKey(c.getProfileKey().get());
2251                                 }
2252                                 final var recipientId = resolveRecipientTrusted(c.getAddress());
2253                                 var contact = account.getContactStore().getContact(recipientId);
2254                                 final var builder = contact == null
2255                                         ? Contact.newBuilder()
2256                                         : Contact.newBuilder(contact);
2257                                 if (c.getName().isPresent()) {
2258                                     builder.withName(c.getName().get());
2259                                 }
2260                                 if (c.getColor().isPresent()) {
2261                                     builder.withColor(c.getColor().get());
2262                                 }
2263                                 if (c.getProfileKey().isPresent()) {
2264                                     account.getProfileStore().storeProfileKey(recipientId, c.getProfileKey().get());
2265                                 }
2266                                 if (c.getVerified().isPresent()) {
2267                                     final var verifiedMessage = c.getVerified().get();
2268                                     account.getIdentityKeyStore()
2269                                             .setIdentityTrustLevel(resolveRecipientTrusted(verifiedMessage.getDestination()),
2270                                                     verifiedMessage.getIdentityKey(),
2271                                                     TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
2272                                 }
2273                                 if (c.getExpirationTimer().isPresent()) {
2274                                     builder.withMessageExpirationTime(c.getExpirationTimer().get());
2275                                 }
2276                                 builder.withBlocked(c.isBlocked());
2277                                 builder.withArchived(c.isArchived());
2278                                 account.getContactStore().storeContact(recipientId, builder.build());
2279
2280                                 if (c.getAvatar().isPresent()) {
2281                                     downloadContactAvatar(c.getAvatar().get(), c.getAddress());
2282                                 }
2283                             }
2284                         }
2285                     } catch (Exception e) {
2286                         logger.warn("Failed to handle received sync contacts “{}”, ignoring: {}",
2287                                 tmpFile,
2288                                 e.getMessage());
2289                     } finally {
2290                         if (tmpFile != null) {
2291                             try {
2292                                 Files.delete(tmpFile.toPath());
2293                             } catch (IOException e) {
2294                                 logger.warn("Failed to delete received contacts temp file “{}”, ignoring: {}",
2295                                         tmpFile,
2296                                         e.getMessage());
2297                             }
2298                         }
2299                     }
2300                 }
2301                 if (syncMessage.getVerified().isPresent()) {
2302                     final var verifiedMessage = syncMessage.getVerified().get();
2303                     account.getIdentityKeyStore()
2304                             .setIdentityTrustLevel(resolveRecipientTrusted(verifiedMessage.getDestination()),
2305                                     verifiedMessage.getIdentityKey(),
2306                                     TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
2307                 }
2308                 if (syncMessage.getStickerPackOperations().isPresent()) {
2309                     final var stickerPackOperationMessages = syncMessage.getStickerPackOperations().get();
2310                     for (var m : stickerPackOperationMessages) {
2311                         if (!m.getPackId().isPresent()) {
2312                             continue;
2313                         }
2314                         final var stickerPackId = StickerPackId.deserialize(m.getPackId().get());
2315                         var sticker = account.getStickerStore().getSticker(stickerPackId);
2316                         if (sticker == null) {
2317                             if (!m.getPackKey().isPresent()) {
2318                                 continue;
2319                             }
2320                             sticker = new Sticker(stickerPackId, m.getPackKey().get());
2321                         }
2322                         sticker.setInstalled(!m.getType().isPresent()
2323                                 || m.getType().get() == StickerPackOperationMessage.Type.INSTALL);
2324                         account.getStickerStore().updateSticker(sticker);
2325                     }
2326                 }
2327                 if (syncMessage.getFetchType().isPresent()) {
2328                     switch (syncMessage.getFetchType().get()) {
2329                         case LOCAL_PROFILE:
2330                             getRecipientProfile(account.getSelfRecipientId(), true);
2331                         case STORAGE_MANIFEST:
2332                             // TODO
2333                     }
2334                 }
2335                 if (syncMessage.getKeys().isPresent()) {
2336                     final var keysMessage = syncMessage.getKeys().get();
2337                     if (keysMessage.getStorageService().isPresent()) {
2338                         final var storageKey = keysMessage.getStorageService().get();
2339                         account.setStorageKey(storageKey);
2340                     }
2341                 }
2342                 if (syncMessage.getConfiguration().isPresent()) {
2343                     // TODO
2344                 }
2345             }
2346         }
2347         return actions;
2348     }
2349
2350     private void downloadContactAvatar(SignalServiceAttachment avatar, SignalServiceAddress address) {
2351         try {
2352             avatarStore.storeContactAvatar(address, outputStream -> retrieveAttachment(avatar, outputStream));
2353         } catch (IOException e) {
2354             logger.warn("Failed to download avatar for contact {}, ignoring: {}", address, e.getMessage());
2355         }
2356     }
2357
2358     private void downloadGroupAvatar(SignalServiceAttachment avatar, GroupId groupId) {
2359         try {
2360             avatarStore.storeGroupAvatar(groupId, outputStream -> retrieveAttachment(avatar, outputStream));
2361         } catch (IOException e) {
2362             logger.warn("Failed to download avatar for group {}, ignoring: {}", groupId.toBase64(), e.getMessage());
2363         }
2364     }
2365
2366     private void downloadGroupAvatar(GroupId groupId, GroupSecretParams groupSecretParams, String cdnKey) {
2367         try {
2368             avatarStore.storeGroupAvatar(groupId,
2369                     outputStream -> retrieveGroupV2Avatar(groupSecretParams, cdnKey, outputStream));
2370         } catch (IOException e) {
2371             logger.warn("Failed to download avatar for group {}, ignoring: {}", groupId.toBase64(), e.getMessage());
2372         }
2373     }
2374
2375     private void downloadProfileAvatar(
2376             SignalServiceAddress address, String avatarPath, ProfileKey profileKey
2377     ) {
2378         try {
2379             avatarStore.storeProfileAvatar(address,
2380                     outputStream -> retrieveProfileAvatar(avatarPath, profileKey, outputStream));
2381         } catch (Throwable e) {
2382             logger.warn("Failed to download profile avatar, ignoring: {}", e.getMessage());
2383         }
2384     }
2385
2386     public File getAttachmentFile(SignalServiceAttachmentRemoteId attachmentId) {
2387         return attachmentStore.getAttachmentFile(attachmentId);
2388     }
2389
2390     private void downloadAttachment(final SignalServiceAttachment attachment) {
2391         if (!attachment.isPointer()) {
2392             logger.warn("Invalid state, can't store an attachment stream.");
2393         }
2394
2395         var pointer = attachment.asPointer();
2396         if (pointer.getPreview().isPresent()) {
2397             final var preview = pointer.getPreview().get();
2398             try {
2399                 attachmentStore.storeAttachmentPreview(pointer.getRemoteId(),
2400                         outputStream -> outputStream.write(preview, 0, preview.length));
2401             } catch (IOException e) {
2402                 logger.warn("Failed to download attachment preview, ignoring: {}", e.getMessage());
2403             }
2404         }
2405
2406         try {
2407             attachmentStore.storeAttachment(pointer.getRemoteId(),
2408                     outputStream -> retrieveAttachmentPointer(pointer, outputStream));
2409         } catch (IOException e) {
2410             logger.warn("Failed to download attachment ({}), ignoring: {}", pointer.getRemoteId(), e.getMessage());
2411         }
2412     }
2413
2414     private void retrieveGroupV2Avatar(
2415             GroupSecretParams groupSecretParams, String cdnKey, OutputStream outputStream
2416     ) throws IOException {
2417         var groupOperations = groupsV2Operations.forGroup(groupSecretParams);
2418
2419         var tmpFile = IOUtils.createTempFile();
2420         try (InputStream input = messageReceiver.retrieveGroupsV2ProfileAvatar(cdnKey,
2421                 tmpFile,
2422                 ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE)) {
2423             var encryptedData = IOUtils.readFully(input);
2424
2425             var decryptedData = groupOperations.decryptAvatar(encryptedData);
2426             outputStream.write(decryptedData);
2427         } finally {
2428             try {
2429                 Files.delete(tmpFile.toPath());
2430             } catch (IOException e) {
2431                 logger.warn("Failed to delete received group avatar temp file “{}”, ignoring: {}",
2432                         tmpFile,
2433                         e.getMessage());
2434             }
2435         }
2436     }
2437
2438     private void retrieveProfileAvatar(
2439             String avatarPath, ProfileKey profileKey, OutputStream outputStream
2440     ) throws IOException {
2441         var tmpFile = IOUtils.createTempFile();
2442         try (var input = messageReceiver.retrieveProfileAvatar(avatarPath,
2443                 tmpFile,
2444                 profileKey,
2445                 ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE)) {
2446             // Use larger buffer size to prevent AssertionError: Need: 12272 but only have: 8192 ...
2447             IOUtils.copyStream(input, outputStream, (int) ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE);
2448         } finally {
2449             try {
2450                 Files.delete(tmpFile.toPath());
2451             } catch (IOException e) {
2452                 logger.warn("Failed to delete received profile avatar temp file “{}”, ignoring: {}",
2453                         tmpFile,
2454                         e.getMessage());
2455             }
2456         }
2457     }
2458
2459     private void retrieveAttachment(
2460             final SignalServiceAttachment attachment, final OutputStream outputStream
2461     ) throws IOException {
2462         if (attachment.isPointer()) {
2463             var pointer = attachment.asPointer();
2464             retrieveAttachmentPointer(pointer, outputStream);
2465         } else {
2466             var stream = attachment.asStream();
2467             IOUtils.copyStream(stream.getInputStream(), outputStream);
2468         }
2469     }
2470
2471     private void retrieveAttachmentPointer(
2472             SignalServiceAttachmentPointer pointer, OutputStream outputStream
2473     ) throws IOException {
2474         var tmpFile = IOUtils.createTempFile();
2475         try (var input = retrieveAttachmentAsStream(pointer, tmpFile)) {
2476             IOUtils.copyStream(input, outputStream);
2477         } catch (MissingConfigurationException | InvalidMessageException e) {
2478             throw new IOException(e);
2479         } finally {
2480             try {
2481                 Files.delete(tmpFile.toPath());
2482             } catch (IOException e) {
2483                 logger.warn("Failed to delete received attachment temp file “{}”, ignoring: {}",
2484                         tmpFile,
2485                         e.getMessage());
2486             }
2487         }
2488     }
2489
2490     private InputStream retrieveAttachmentAsStream(
2491             SignalServiceAttachmentPointer pointer, File tmpFile
2492     ) throws IOException, InvalidMessageException, MissingConfigurationException {
2493         return messageReceiver.retrieveAttachment(pointer, tmpFile, ServiceConfig.MAX_ATTACHMENT_SIZE);
2494     }
2495
2496     void sendGroups() throws IOException, UntrustedIdentityException {
2497         var groupsFile = IOUtils.createTempFile();
2498
2499         try {
2500             try (OutputStream fos = new FileOutputStream(groupsFile)) {
2501                 var out = new DeviceGroupsOutputStream(fos);
2502                 for (var record : getGroups()) {
2503                     if (record instanceof GroupInfoV1) {
2504                         var groupInfo = (GroupInfoV1) record;
2505                         out.write(new DeviceGroup(groupInfo.getGroupId().serialize(),
2506                                 Optional.fromNullable(groupInfo.name),
2507                                 groupInfo.getMembers()
2508                                         .stream()
2509                                         .map(this::resolveSignalServiceAddress)
2510                                         .collect(Collectors.toList()),
2511                                 createGroupAvatarAttachment(groupInfo.getGroupId()),
2512                                 groupInfo.isMember(account.getSelfRecipientId()),
2513                                 Optional.of(groupInfo.messageExpirationTime),
2514                                 Optional.fromNullable(groupInfo.color),
2515                                 groupInfo.blocked,
2516                                 Optional.absent(),
2517                                 groupInfo.archived));
2518                     }
2519                 }
2520             }
2521
2522             if (groupsFile.exists() && groupsFile.length() > 0) {
2523                 try (var groupsFileStream = new FileInputStream(groupsFile)) {
2524                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
2525                             .withStream(groupsFileStream)
2526                             .withContentType("application/octet-stream")
2527                             .withLength(groupsFile.length())
2528                             .build();
2529
2530                     sendSyncMessage(SignalServiceSyncMessage.forGroups(attachmentStream));
2531                 }
2532             }
2533         } finally {
2534             try {
2535                 Files.delete(groupsFile.toPath());
2536             } catch (IOException e) {
2537                 logger.warn("Failed to delete groups temp file “{}”, ignoring: {}", groupsFile, e.getMessage());
2538             }
2539         }
2540     }
2541
2542     public void sendContacts() throws IOException, UntrustedIdentityException {
2543         var contactsFile = IOUtils.createTempFile();
2544
2545         try {
2546             try (OutputStream fos = new FileOutputStream(contactsFile)) {
2547                 var out = new DeviceContactsOutputStream(fos);
2548                 for (var contactPair : account.getContactStore().getContacts()) {
2549                     final var recipientId = contactPair.first();
2550                     final var contact = contactPair.second();
2551                     final var address = resolveSignalServiceAddress(recipientId);
2552
2553                     var currentIdentity = account.getIdentityKeyStore().getIdentity(recipientId);
2554                     VerifiedMessage verifiedMessage = null;
2555                     if (currentIdentity != null) {
2556                         verifiedMessage = new VerifiedMessage(address,
2557                                 currentIdentity.getIdentityKey(),
2558                                 currentIdentity.getTrustLevel().toVerifiedState(),
2559                                 currentIdentity.getDateAdded().getTime());
2560                     }
2561
2562                     var profileKey = account.getProfileStore().getProfileKey(recipientId);
2563                     out.write(new DeviceContact(address,
2564                             Optional.fromNullable(contact.getName()),
2565                             createContactAvatarAttachment(address),
2566                             Optional.fromNullable(contact.getColor()),
2567                             Optional.fromNullable(verifiedMessage),
2568                             Optional.fromNullable(profileKey),
2569                             contact.isBlocked(),
2570                             Optional.of(contact.getMessageExpirationTime()),
2571                             Optional.absent(),
2572                             contact.isArchived()));
2573                 }
2574
2575                 if (account.getProfileKey() != null) {
2576                     // Send our own profile key as well
2577                     out.write(new DeviceContact(account.getSelfAddress(),
2578                             Optional.absent(),
2579                             Optional.absent(),
2580                             Optional.absent(),
2581                             Optional.absent(),
2582                             Optional.of(account.getProfileKey()),
2583                             false,
2584                             Optional.absent(),
2585                             Optional.absent(),
2586                             false));
2587                 }
2588             }
2589
2590             if (contactsFile.exists() && contactsFile.length() > 0) {
2591                 try (var contactsFileStream = new FileInputStream(contactsFile)) {
2592                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
2593                             .withStream(contactsFileStream)
2594                             .withContentType("application/octet-stream")
2595                             .withLength(contactsFile.length())
2596                             .build();
2597
2598                     sendSyncMessage(SignalServiceSyncMessage.forContacts(new ContactsMessage(attachmentStream, true)));
2599                 }
2600             }
2601         } finally {
2602             try {
2603                 Files.delete(contactsFile.toPath());
2604             } catch (IOException e) {
2605                 logger.warn("Failed to delete contacts temp file “{}”, ignoring: {}", contactsFile, e.getMessage());
2606             }
2607         }
2608     }
2609
2610     void sendBlockedList() throws IOException, UntrustedIdentityException {
2611         var addresses = new ArrayList<SignalServiceAddress>();
2612         for (var record : account.getContactStore().getContacts()) {
2613             if (record.second().isBlocked()) {
2614                 addresses.add(resolveSignalServiceAddress(record.first()));
2615             }
2616         }
2617         var groupIds = new ArrayList<byte[]>();
2618         for (var record : getGroups()) {
2619             if (record.isBlocked()) {
2620                 groupIds.add(record.getGroupId().serialize());
2621             }
2622         }
2623         sendSyncMessage(SignalServiceSyncMessage.forBlocked(new BlockedListMessage(addresses, groupIds)));
2624     }
2625
2626     private void sendVerifiedMessage(
2627             SignalServiceAddress destination, IdentityKey identityKey, TrustLevel trustLevel
2628     ) throws IOException, UntrustedIdentityException {
2629         var verifiedMessage = new VerifiedMessage(destination,
2630                 identityKey,
2631                 trustLevel.toVerifiedState(),
2632                 System.currentTimeMillis());
2633         sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage));
2634     }
2635
2636     public List<Pair<RecipientId, Contact>> getContacts() {
2637         return account.getContactStore().getContacts();
2638     }
2639
2640     public String getContactOrProfileName(String number) throws InvalidNumberException {
2641         final var recipientId = canonicalizeAndResolveRecipient(number);
2642         final var recipient = account.getRecipientStore().getRecipient(recipientId);
2643         if (recipient == null) {
2644             return null;
2645         }
2646
2647         if (recipient.getContact() != null && !Util.isEmpty(recipient.getContact().getName())) {
2648             return recipient.getContact().getName();
2649         }
2650
2651         if (recipient.getProfile() != null && recipient.getProfile() != null) {
2652             return recipient.getProfile().getDisplayName();
2653         }
2654
2655         return null;
2656     }
2657
2658     public GroupInfo getGroup(GroupId groupId) {
2659         final var group = account.getGroupStore().getGroup(groupId);
2660         if (group instanceof GroupInfoV2 && ((GroupInfoV2) group).getGroup() == null) {
2661             final var groupSecretParams = GroupSecretParams.deriveFromMasterKey(((GroupInfoV2) group).getMasterKey());
2662             ((GroupInfoV2) group).setGroup(groupV2Helper.getDecryptedGroup(groupSecretParams), this::resolveRecipient);
2663             account.getGroupStore().updateGroup(group);
2664         }
2665         return group;
2666     }
2667
2668     public List<IdentityInfo> getIdentities() {
2669         return account.getIdentityKeyStore().getIdentities();
2670     }
2671
2672     public List<IdentityInfo> getIdentities(String number) throws InvalidNumberException {
2673         final var identity = account.getIdentityKeyStore().getIdentity(canonicalizeAndResolveRecipient(number));
2674         return identity == null ? List.of() : List.of(identity);
2675     }
2676
2677     /**
2678      * Trust this the identity with this fingerprint
2679      *
2680      * @param name        username of the identity
2681      * @param fingerprint Fingerprint
2682      */
2683     public boolean trustIdentityVerified(String name, byte[] fingerprint) throws InvalidNumberException {
2684         var recipientId = canonicalizeAndResolveRecipient(name);
2685         return trustIdentity(recipientId,
2686                 identityKey -> Arrays.equals(identityKey.serialize(), fingerprint),
2687                 TrustLevel.TRUSTED_VERIFIED);
2688     }
2689
2690     /**
2691      * Trust this the identity with this safety number
2692      *
2693      * @param name         username of the identity
2694      * @param safetyNumber Safety number
2695      */
2696     public boolean trustIdentityVerifiedSafetyNumber(String name, String safetyNumber) throws InvalidNumberException {
2697         var recipientId = canonicalizeAndResolveRecipient(name);
2698         var address = account.getRecipientStore().resolveServiceAddress(recipientId);
2699         return trustIdentity(recipientId,
2700                 identityKey -> safetyNumber.equals(computeSafetyNumber(address, identityKey)),
2701                 TrustLevel.TRUSTED_VERIFIED);
2702     }
2703
2704     /**
2705      * Trust all keys of this identity without verification
2706      *
2707      * @param name username of the identity
2708      */
2709     public boolean trustIdentityAllKeys(String name) throws InvalidNumberException {
2710         var recipientId = canonicalizeAndResolveRecipient(name);
2711         return trustIdentity(recipientId, identityKey -> true, TrustLevel.TRUSTED_UNVERIFIED);
2712     }
2713
2714     private boolean trustIdentity(
2715             RecipientId recipientId, Function<IdentityKey, Boolean> verifier, TrustLevel trustLevel
2716     ) {
2717         var identity = account.getIdentityKeyStore().getIdentity(recipientId);
2718         if (identity == null) {
2719             return false;
2720         }
2721
2722         if (!verifier.apply(identity.getIdentityKey())) {
2723             return false;
2724         }
2725
2726         account.getIdentityKeyStore().setIdentityTrustLevel(recipientId, identity.getIdentityKey(), trustLevel);
2727         try {
2728             var address = account.getRecipientStore().resolveServiceAddress(recipientId);
2729             sendVerifiedMessage(address, identity.getIdentityKey(), trustLevel);
2730         } catch (IOException | UntrustedIdentityException e) {
2731             logger.warn("Failed to send verification sync message: {}", e.getMessage());
2732         }
2733
2734         return true;
2735     }
2736
2737     public String computeSafetyNumber(
2738             SignalServiceAddress theirAddress, IdentityKey theirIdentityKey
2739     ) {
2740         return Utils.computeSafetyNumber(ServiceConfig.capabilities.isUuid(),
2741                 account.getSelfAddress(),
2742                 getIdentityKeyPair().getPublicKey(),
2743                 theirAddress,
2744                 theirIdentityKey);
2745     }
2746
2747     @Deprecated
2748     public SignalServiceAddress resolveSignalServiceAddress(String identifier) {
2749         var address = Utils.getSignalServiceAddressFromIdentifier(identifier);
2750
2751         return resolveSignalServiceAddress(address);
2752     }
2753
2754     @Deprecated
2755     public SignalServiceAddress resolveSignalServiceAddress(SignalServiceAddress address) {
2756         if (address.matches(account.getSelfAddress())) {
2757             return account.getSelfAddress();
2758         }
2759
2760         return account.getRecipientStore().resolveServiceAddress(address);
2761     }
2762
2763     public SignalServiceAddress resolveSignalServiceAddress(RecipientId recipientId) {
2764         return account.getRecipientStore().resolveServiceAddress(recipientId);
2765     }
2766
2767     public RecipientId canonicalizeAndResolveRecipient(String identifier) throws InvalidNumberException {
2768         var canonicalizedNumber = UuidUtil.isUuid(identifier)
2769                 ? identifier
2770                 : PhoneNumberFormatter.formatNumber(identifier, account.getUsername());
2771
2772         return resolveRecipient(canonicalizedNumber);
2773     }
2774
2775     private RecipientId resolveRecipient(final String identifier) {
2776         var address = Utils.getSignalServiceAddressFromIdentifier(identifier);
2777
2778         return resolveRecipient(address);
2779     }
2780
2781     public RecipientId resolveRecipient(SignalServiceAddress address) {
2782         return account.getRecipientStore().resolveRecipient(address);
2783     }
2784
2785     private RecipientId resolveRecipientTrusted(SignalServiceAddress address) {
2786         return account.getRecipientStore().resolveRecipientTrusted(address);
2787     }
2788
2789     @Override
2790     public void close() throws IOException {
2791         close(true);
2792     }
2793
2794     void close(boolean closeAccount) throws IOException {
2795         executor.shutdown();
2796
2797         if (messagePipe != null) {
2798             messagePipe.shutdown();
2799             messagePipe = null;
2800         }
2801
2802         if (unidentifiedMessagePipe != null) {
2803             unidentifiedMessagePipe.shutdown();
2804             unidentifiedMessagePipe = null;
2805         }
2806
2807         if (closeAccount && account != null) {
2808             account.close();
2809         }
2810         account = null;
2811     }
2812
2813     public interface ReceiveMessageHandler {
2814
2815         void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, Throwable e);
2816     }
2817 }