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

   1 /*
   2   Copyright (C) 2015-2021 AsamK and contributors
   3
   4   This program is free software: you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation, either version 3 of the License, or
   7   (at your option) any later version.
   8
   9   This program is distributed in the hope that it will be useful,
  10   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12   GNU General Public License for more details.
  13
  14   You should have received a copy of the GNU General Public License
  15   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.asamk.signal.manager;
  18
  19 import org.asamk.signal.manager.api.Device;
  20 import org.asamk.signal.manager.api.TypingAction;
  21 import org.asamk.signal.manager.config.ServiceConfig;
  22 import org.asamk.signal.manager.config.ServiceEnvironment;
  23 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  24 import org.asamk.signal.manager.groups.GroupId;
  25 import org.asamk.signal.manager.groups.GroupIdV1;
  26 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  27 import org.asamk.signal.manager.groups.GroupLinkState;
  28 import org.asamk.signal.manager.groups.GroupNotFoundException;
  29 import org.asamk.signal.manager.groups.GroupPermission;
  30 import org.asamk.signal.manager.groups.GroupUtils;
  31 import org.asamk.signal.manager.groups.LastGroupAdminException;
  32 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  33 import org.asamk.signal.manager.helper.GroupV2Helper;
  34 import org.asamk.signal.manager.helper.PinHelper;
  35 import org.asamk.signal.manager.helper.ProfileHelper;
  36 import org.asamk.signal.manager.helper.UnidentifiedAccessHelper;
  37 import org.asamk.signal.manager.jobs.Context;
  38 import org.asamk.signal.manager.jobs.Job;
  39 import org.asamk.signal.manager.jobs.RetrieveStickerPackJob;
  40 import org.asamk.signal.manager.storage.SignalAccount;
  41 import org.asamk.signal.manager.storage.groups.GroupInfo;
  42 import org.asamk.signal.manager.storage.groups.GroupInfoV1;
  43 import org.asamk.signal.manager.storage.groups.GroupInfoV2;
  44 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  45 import org.asamk.signal.manager.storage.messageCache.CachedMessage;
  46 import org.asamk.signal.manager.storage.recipients.Contact;
  47 import org.asamk.signal.manager.storage.recipients.Profile;
  48 import org.asamk.signal.manager.storage.recipients.RecipientId;
  49 import org.asamk.signal.manager.storage.stickers.Sticker;
  50 import org.asamk.signal.manager.storage.stickers.StickerPackId;
  51 import org.asamk.signal.manager.util.AttachmentUtils;
  52 import org.asamk.signal.manager.util.IOUtils;
  53 import org.asamk.signal.manager.util.KeyUtils;
  54 import org.asamk.signal.manager.util.ProfileUtils;
  55 import org.asamk.signal.manager.util.StickerUtils;
  56 import org.asamk.signal.manager.util.Utils;
  57 import org.signal.libsignal.metadata.InvalidMetadataMessageException;
  58 import org.signal.libsignal.metadata.InvalidMetadataVersionException;
  59 import org.signal.libsignal.metadata.ProtocolDuplicateMessageException;
  60 import org.signal.libsignal.metadata.ProtocolInvalidKeyException;
  61 import org.signal.libsignal.metadata.ProtocolInvalidKeyIdException;
  62 import org.signal.libsignal.metadata.ProtocolInvalidMessageException;
  63 import org.signal.libsignal.metadata.ProtocolInvalidVersionException;
  64 import org.signal.libsignal.metadata.ProtocolLegacyMessageException;
  65 import org.signal.libsignal.metadata.ProtocolNoSessionException;
  66 import org.signal.libsignal.metadata.ProtocolUntrustedIdentityException;
  67 import org.signal.libsignal.metadata.SelfSendException;
  68 import org.signal.libsignal.metadata.certificate.CertificateValidator;
  69 import org.signal.storageservice.protos.groups.GroupChange;
  70 import org.signal.storageservice.protos.groups.local.DecryptedGroup;
  71 import org.signal.zkgroup.InvalidInputException;
  72 import org.signal.zkgroup.VerificationFailedException;
  73 import org.signal.zkgroup.groups.GroupMasterKey;
  74 import org.signal.zkgroup.groups.GroupSecretParams;
  75 import org.signal.zkgroup.profiles.ClientZkProfileOperations;
  76 import org.signal.zkgroup.profiles.ProfileKey;
  77 import org.signal.zkgroup.profiles.ProfileKeyCredential;
  78 import org.slf4j.Logger;
  79 import org.slf4j.LoggerFactory;
  80 import org.whispersystems.libsignal.IdentityKey;
  81 import org.whispersystems.libsignal.IdentityKeyPair;
  82 import org.whispersystems.libsignal.InvalidKeyException;
  83 import org.whispersystems.libsignal.InvalidMessageException;
  84 import org.whispersystems.libsignal.ecc.ECPublicKey;
  85 import org.whispersystems.libsignal.state.PreKeyRecord;
  86 import org.whispersystems.libsignal.state.SignedPreKeyRecord;
  87 import org.whispersystems.libsignal.util.Pair;
  88 import org.whispersystems.libsignal.util.guava.Optional;
  89 import org.whispersystems.signalservice.api.SignalServiceAccountManager;
  90 import org.whispersystems.signalservice.api.SignalServiceMessagePipe;
  91 import org.whispersystems.signalservice.api.SignalServiceMessageReceiver;
  92 import org.whispersystems.signalservice.api.SignalServiceMessageSender;
  93 import org.whispersystems.signalservice.api.SignalSessionLock;
  94 import org.whispersystems.signalservice.api.crypto.ContentHint;
  95 import org.whispersystems.signalservice.api.crypto.SignalServiceCipher;
  96 import org.whispersystems.signalservice.api.crypto.UntrustedIdentityException;
  97 import org.whispersystems.signalservice.api.groupsv2.ClientZkOperations;
  98 import org.whispersystems.signalservice.api.groupsv2.GroupLinkNotActiveException;
  99 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Api;
 100 import org.whispersystems.signalservice.api.groupsv2.GroupsV2AuthorizationString;
 101 import org.whispersystems.signalservice.api.groupsv2.GroupsV2Operations;
 102 import org.whispersystems.signalservice.api.messages.SendMessageResult;
 103 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
 104 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentPointer;
 105 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentRemoteId;
 106 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentStream;
 107 import org.whispersystems.signalservice.api.messages.SignalServiceContent;
 108 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
 109 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
 110 import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
 111 import org.whispersystems.signalservice.api.messages.SignalServiceGroupV2;
 112 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
 113 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
 114 import org.whispersystems.signalservice.api.messages.multidevice.BlockedListMessage;
 115 import org.whispersystems.signalservice.api.messages.multidevice.ContactsMessage;
 116 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContact;
 117 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsInputStream;
 118 import org.whispersystems.signalservice.api.messages.multidevice.DeviceContactsOutputStream;
 119 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroup;
 120 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsInputStream;
 121 import org.whispersystems.signalservice.api.messages.multidevice.DeviceGroupsOutputStream;
 122 import org.whispersystems.signalservice.api.messages.multidevice.RequestMessage;
 123 import org.whispersystems.signalservice.api.messages.multidevice.SentTranscriptMessage;
 124 import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
 125 import org.whispersystems.signalservice.api.messages.multidevice.StickerPackOperationMessage;
 126 import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage;
 127 import org.whispersystems.signalservice.api.profiles.ProfileAndCredential;
 128 import org.whispersystems.signalservice.api.profiles.SignalServiceProfile;
 129 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
 130 import org.whispersystems.signalservice.api.push.exceptions.ConflictException;
 131 import org.whispersystems.signalservice.api.push.exceptions.MissingConfigurationException;
 132 import org.whispersystems.signalservice.api.push.exceptions.UnregisteredUserException;
 133 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
 134 import org.whispersystems.signalservice.api.util.InvalidNumberException;
 135 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
 136 import org.whispersystems.signalservice.api.util.SleepTimer;
 137 import org.whispersystems.signalservice.api.util.UptimeSleepTimer;
 138 import org.whispersystems.signalservice.api.util.UuidUtil;
 139 import org.whispersystems.signalservice.internal.contacts.crypto.Quote;
 140 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedQuoteException;
 141 import org.whispersystems.signalservice.internal.contacts.crypto.UnauthenticatedResponseException;
 142 import org.whispersystems.signalservice.internal.push.SignalServiceProtos;
 143 import org.whispersystems.signalservice.internal.push.UnsupportedDataMessageException;
 144 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
 145 import org.whispersystems.signalservice.internal.util.Hex;
 146 import org.whispersystems.signalservice.internal.util.Util;
 147
 148 import java.io.Closeable;
 149 import java.io.File;
 150 import java.io.FileInputStream;
 151 import java.io.FileOutputStream;
 152 import java.io.IOException;
 153 import java.io.InputStream;
 154 import java.io.OutputStream;
 155 import java.net.URI;
 156 import java.net.URISyntaxException;
 157 import java.net.URLEncoder;
 158 import java.nio.charset.StandardCharsets;
 159 import java.nio.file.Files;
 160 import java.security.SignatureException;
 161 import java.util.ArrayList;
 162 import java.util.Arrays;
 163 import java.util.Base64;
 164 import java.util.Collection;
 165 import java.util.Date;
 166 import java.util.HashSet;
 167 import java.util.List;
 168 import java.util.Map;
 169 import java.util.Set;
 170 import java.util.UUID;
 171 import java.util.concurrent.ExecutorService;
 172 import java.util.concurrent.Executors;
 173 import java.util.concurrent.TimeUnit;
 174 import java.util.concurrent.TimeoutException;
 175 import java.util.concurrent.locks.ReentrantLock;
 176 import java.util.function.Function;
 177 import java.util.stream.Collectors;
 178
 179 import static org.asamk.signal.manager.config.ServiceConfig.capabilities;
 180
 181 public class Manager implements Closeable {
 182
 183     private final static Logger logger = LoggerFactory.getLogger(Manager.class);
 184
 185     private final CertificateValidator certificateValidator;
 186
 187     private final ServiceEnvironmentConfig serviceEnvironmentConfig;
 188     private final String userAgent;
 189
 190     private SignalAccount account;
 191     private final SignalServiceAccountManager accountManager;
 192     private final GroupsV2Api groupsV2Api;
 193     private final GroupsV2Operations groupsV2Operations;
 194     private final SignalServiceMessageReceiver messageReceiver;
 195     private final ClientZkProfileOperations clientZkProfileOperations;
 196
 197     private final ExecutorService executor = Executors.newCachedThreadPool();
 198
 199     private SignalServiceMessagePipe messagePipe = null;
 200     private SignalServiceMessagePipe unidentifiedMessagePipe = null;
 201
 202     private final UnidentifiedAccessHelper unidentifiedAccessHelper;
 203     private final ProfileHelper profileHelper;
 204     private final GroupV2Helper groupV2Helper;
 205     private final PinHelper pinHelper;
 206     private final AvatarStore avatarStore;
 207     private final AttachmentStore attachmentStore;
 208     private final StickerPackStore stickerPackStore;
 209     private final SignalSessionLock sessionLock = new SignalSessionLock() {
 210         private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 211
 212         @Override
 213         public Lock acquire() {
 214             LEGACY_LOCK.lock();
 215             return LEGACY_LOCK::unlock;
 216         }
 217     };
 218
 219     Manager(
 220             SignalAccount account,
 221             PathConfig pathConfig,
 222             ServiceEnvironmentConfig serviceEnvironmentConfig,
 223             String userAgent
 224     ) {
 225         this.account = account;
 226         this.serviceEnvironmentConfig = serviceEnvironmentConfig;
 227         this.certificateValidator = new CertificateValidator(serviceEnvironmentConfig.getUnidentifiedSenderTrustRoot());
 228         this.userAgent = userAgent;
 229         this.groupsV2Operations = capabilities.isGv2() ? new GroupsV2Operations(ClientZkOperations.create(
 230                 serviceEnvironmentConfig.getSignalServiceConfiguration())) : null;
 231         final SleepTimer timer = new UptimeSleepTimer();
 232         this.accountManager = new SignalServiceAccountManager(serviceEnvironmentConfig.getSignalServiceConfiguration(),
 233                 new DynamicCredentialsProvider(account.getUuid(),
 234                         account.getUsername(),
 235                         account.getPassword(),
 236                         account.getDeviceId()),
 237                 userAgent,
 238                 groupsV2Operations,
 239                 ServiceConfig.AUTOMATIC_NETWORK_RETRY,
 240                 timer);
 241         this.groupsV2Api = accountManager.getGroupsV2Api();
 242         final var keyBackupService = accountManager.getKeyBackupService(ServiceConfig.getIasKeyStore(),
 243                 serviceEnvironmentConfig.getKeyBackupConfig().getEnclaveName(),
 244                 serviceEnvironmentConfig.getKeyBackupConfig().getServiceId(),
 245                 serviceEnvironmentConfig.getKeyBackupConfig().getMrenclave(),
 246                 10);
 247
 248         this.pinHelper = new PinHelper(keyBackupService);
 249         this.clientZkProfileOperations = capabilities.isGv2()
 250                 ? ClientZkOperations.create(serviceEnvironmentConfig.getSignalServiceConfiguration())
 251                 .getProfileOperations()
 252                 : null;
 253         this.messageReceiver = new SignalServiceMessageReceiver(serviceEnvironmentConfig.getSignalServiceConfiguration(),
 254                 account.getUuid(),
 255                 account.getUsername(),
 256                 account.getPassword(),
 257                 account.getDeviceId(),
 258                 userAgent,
 259                 null,
 260                 timer,
 261                 clientZkProfileOperations,
 262                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
 263
 264         this.unidentifiedAccessHelper = new UnidentifiedAccessHelper(account::getProfileKey,
 265                 account.getProfileStore()::getProfileKey,
 266                 this::getRecipientProfile,
 267                 this::getSenderCertificate);
 268         this.profileHelper = new ProfileHelper(account.getProfileStore()::getProfileKey,
 269                 unidentifiedAccessHelper::getAccessFor,
 270                 unidentified -> unidentified ? getOrCreateUnidentifiedMessagePipe() : getOrCreateMessagePipe(),
 271                 () -> messageReceiver,
 272                 this::resolveSignalServiceAddress);
 273         this.groupV2Helper = new GroupV2Helper(this::getRecipientProfileKeyCredential,
 274                 this::getRecipientProfile,
 275                 account::getSelfRecipientId,
 276                 groupsV2Operations,
 277                 groupsV2Api,
 278                 this::getGroupAuthForToday,
 279                 this::resolveSignalServiceAddress);
 280         this.avatarStore = new AvatarStore(pathConfig.getAvatarsPath());
 281         this.attachmentStore = new AttachmentStore(pathConfig.getAttachmentsPath());
 282         this.stickerPackStore = new StickerPackStore(pathConfig.getStickerPacksPath());
 283     }
 284
 285     public String getUsername() {
 286         return account.getUsername();
 287     }
 288
 289     public SignalServiceAddress getSelfAddress() {
 290         return account.getSelfAddress();
 291     }
 292
 293     public RecipientId getSelfRecipientId() {
 294         return account.getSelfRecipientId();
 295     }
 296
 297     private IdentityKeyPair getIdentityKeyPair() {
 298         return account.getIdentityKeyPair();
 299     }
 300
 301     public int getDeviceId() {
 302         return account.getDeviceId();
 303     }
 304
 305     public static Manager init(
 306             String username, File settingsPath, ServiceEnvironment serviceEnvironment, String userAgent
 307     ) throws IOException, NotRegisteredException {
 308         var pathConfig = PathConfig.createDefault(settingsPath);
 309
 310         if (!SignalAccount.userExists(pathConfig.getDataPath(), username)) {
 311             throw new NotRegisteredException();
 312         }
 313
 314         var account = SignalAccount.load(pathConfig.getDataPath(), username, true);
 315
 316         if (!account.isRegistered()) {
 317             throw new NotRegisteredException();
 318         }
 319
 320         final var serviceEnvironmentConfig = ServiceConfig.getServiceEnvironmentConfig(serviceEnvironment, userAgent);
 321
 322         return new Manager(account, pathConfig, serviceEnvironmentConfig, userAgent);
 323     }
 324
 325     public static List<String> getAllLocalUsernames(File settingsPath) {
 326         var pathConfig = PathConfig.createDefault(settingsPath);
 327         final var dataPath = pathConfig.getDataPath();
 328         final var files = dataPath.listFiles();
 329
 330         if (files == null) {
 331             return List.of();
 332         }
 333
 334         return Arrays.stream(files)
 335                 .filter(File::isFile)
 336                 .map(File::getName)
 337                 .filter(file -> PhoneNumberFormatter.isValidNumber(file, null))
 338                 .collect(Collectors.toList());
 339     }
 340
 341     public void checkAccountState() throws IOException {
 342         if (account.getLastReceiveTimestamp() == 0) {
 343             logger.warn("The Signal protocol expects that incoming messages are regularly received.");
 344         } else {
 345             var diffInMilliseconds = System.currentTimeMillis() - account.getLastReceiveTimestamp();
 346             long days = TimeUnit.DAYS.convert(diffInMilliseconds, TimeUnit.MILLISECONDS);
 347             if (days > 7) {
 348                 logger.warn(
 349                         "Messages have been last received {} days ago. The Signal protocol expects that incoming messages are regularly received.",
 350                         days);
 351             }
 352         }
 353         if (accountManager.getPreKeysCount() < ServiceConfig.PREKEY_MINIMUM_COUNT) {
 354             refreshPreKeys();
 355         }
 356         if (account.getUuid() == null) {
 357             account.setUuid(accountManager.getOwnUuid());
 358         }
 359         updateAccountAttributes();
 360     }
 361
 362     /**
 363      * This is used for checking a set of phone numbers for registration on Signal
 364      *
 365      * @param numbers The set of phone number in question
 366      * @return A map of numbers to booleans. True if registered, false otherwise. Should never be null
 367      * @throws IOException if its unable to get the contacts to check if they're registered
 368      */
 369     public Map<String, Boolean> areUsersRegistered(Set<String> numbers) throws IOException {
 370         // Note "contactDetails" has no optionals. It only gives us info on users who are registered
 371         var contactDetails = getRegisteredUsers(numbers);
 372
 373         var registeredUsers = contactDetails.keySet();
 374
 375         return numbers.stream().collect(Collectors.toMap(x -> x, registeredUsers::contains));
 376     }
 377
 378     public void updateAccountAttributes() throws IOException {
 379         accountManager.setAccountAttributes(account.getEncryptedDeviceName(),
 380                 null,
 381                 account.getLocalRegistrationId(),
 382                 true,
 383                 // set legacy pin only if no KBS master key is set
 384                 account.getPinMasterKey() == null ? account.getRegistrationLockPin() : null,
 385                 account.getPinMasterKey() == null ? null : account.getPinMasterKey().deriveRegistrationLock(),
 386                 account.getSelfUnidentifiedAccessKey(),
 387                 account.isUnrestrictedUnidentifiedAccess(),
 388                 capabilities,
 389                 account.isDiscoverableByPhoneNumber());
 390     }
 391
 392     /**
 393      * @param givenName  if null, the previous givenName will be kept
 394      * @param familyName if null, the previous familyName will be kept
 395      * @param about      if null, the previous about text will be kept
 396      * @param aboutEmoji if null, the previous about emoji will be kept
 397      * @param avatar     if avatar is null the image from the local avatar store is used (if present),
 398      */
 399     public void setProfile(
 400             String givenName, final String familyName, String about, String aboutEmoji, Optional<File> avatar
 401     ) throws IOException {
 402         var profile = getRecipientProfile(account.getSelfRecipientId());
 403         var builder = profile == null ? Profile.newBuilder() : Profile.newBuilder(profile);
 404         if (givenName != null) {
 405             builder.withGivenName(givenName);
 406         }
 407         if (familyName != null) {
 408             builder.withFamilyName(familyName);
 409         }
 410         if (about != null) {
 411             builder.withAbout(about);
 412         }
 413         if (aboutEmoji != null) {
 414             builder.withAboutEmoji(aboutEmoji);
 415         }
 416         var newProfile = builder.build();
 417
 418         try (final var streamDetails = avatar == null
 419                 ? avatarStore.retrieveProfileAvatar(getSelfAddress())
 420                 : avatar.isPresent() ? Utils.createStreamDetailsFromFile(avatar.get()) : null) {
 421             accountManager.setVersionedProfile(account.getUuid(),
 422                     account.getProfileKey(),
 423                     newProfile.getInternalServiceName(),
 424                     newProfile.getAbout() == null ? "" : newProfile.getAbout(),
 425                     newProfile.getAboutEmoji() == null ? "" : newProfile.getAboutEmoji(),
 426                     Optional.absent(),
 427                     streamDetails);
 428         }
 429
 430         if (avatar != null) {
 431             if (avatar.isPresent()) {
 432                 avatarStore.storeProfileAvatar(getSelfAddress(),
 433                         outputStream -> IOUtils.copyFileToStream(avatar.get(), outputStream));
 434             } else {
 435                 avatarStore.deleteProfileAvatar(getSelfAddress());
 436             }
 437         }
 438         account.getProfileStore().storeProfile(account.getSelfRecipientId(), newProfile);
 439
 440         try {
 441             sendSyncMessage(SignalServiceSyncMessage.forFetchLatest(SignalServiceSyncMessage.FetchType.LOCAL_PROFILE));
 442         } catch (UntrustedIdentityException ignored) {
 443         }
 444     }
 445
 446     public void unregister() throws IOException {
 447         // When setting an empty GCM id, the Signal-Server also sets the fetchesMessages property to false.
 448         // If this is the master device, other users can't send messages to this number anymore.
 449         // If this is a linked device, other users can still send messages, but this device doesn't receive them anymore.
 450         accountManager.setGcmId(Optional.absent());
 451
 452         account.setRegistered(false);
 453     }
 454
 455     public void deleteAccount() throws IOException {
 456         accountManager.deleteAccount();
 457
 458         account.setRegistered(false);
 459     }
 460
 461     public List<Device> getLinkedDevices() throws IOException {
 462         var devices = accountManager.getDevices();
 463         account.setMultiDevice(devices.size() > 1);
 464         var identityKey = account.getIdentityKeyPair().getPrivateKey();
 465         return devices.stream().map(d -> {
 466             String deviceName = d.getName();
 467             if (deviceName != null) {
 468                 try {
 469                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 470                 } catch (IOException e) {
 471                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 472                 }
 473             }
 474             return new Device(d.getId(), deviceName, d.getCreated(), d.getLastSeen());
 475         }).collect(Collectors.toList());
 476     }
 477
 478     public void removeLinkedDevices(int deviceId) throws IOException {
 479         accountManager.removeDevice(deviceId);
 480         var devices = accountManager.getDevices();
 481         account.setMultiDevice(devices.size() > 1);
 482     }
 483
 484     public void addDeviceLink(URI linkUri) throws IOException, InvalidKeyException {
 485         var info = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 486
 487         addDevice(info.deviceIdentifier, info.deviceKey);
 488     }
 489
 490     private void addDevice(String deviceIdentifier, ECPublicKey deviceKey) throws IOException, InvalidKeyException {
 491         var identityKeyPair = getIdentityKeyPair();
 492         var verificationCode = accountManager.getNewDeviceVerificationCode();
 493
 494         accountManager.addDevice(deviceIdentifier,
 495                 deviceKey,
 496                 identityKeyPair,
 497                 Optional.of(account.getProfileKey().serialize()),
 498                 verificationCode);
 499         account.setMultiDevice(true);
 500     }
 501
 502     public void setRegistrationLockPin(Optional<String> pin) throws IOException, UnauthenticatedResponseException {
 503         if (!account.isMasterDevice()) {
 504             throw new RuntimeException("Only master device can set a PIN");
 505         }
 506         if (pin.isPresent()) {
 507             final var masterKey = account.getPinMasterKey() != null
 508                     ? account.getPinMasterKey()
 509                     : KeyUtils.createMasterKey();
 510
 511             pinHelper.setRegistrationLockPin(pin.get(), masterKey);
 512
 513             account.setRegistrationLockPin(pin.get(), masterKey);
 514         } else {
 515             // Remove legacy registration lock
 516             accountManager.removeRegistrationLockV1();
 517
 518             // Remove KBS Pin
 519             pinHelper.removeRegistrationLockPin();
 520
 521             account.setRegistrationLockPin(null, null);
 522         }
 523     }
 524
 525     void refreshPreKeys() throws IOException {
 526         var oneTimePreKeys = generatePreKeys();
 527         final var identityKeyPair = getIdentityKeyPair();
 528         var signedPreKeyRecord = generateSignedPreKey(identityKeyPair);
 529
 530         accountManager.setPreKeys(identityKeyPair.getPublicKey(), signedPreKeyRecord, oneTimePreKeys);
 531     }
 532
 533     private List<PreKeyRecord> generatePreKeys() {
 534         final var offset = account.getPreKeyIdOffset();
 535
 536         var records = KeyUtils.generatePreKeyRecords(offset, ServiceConfig.PREKEY_BATCH_SIZE);
 537         account.addPreKeys(records);
 538
 539         return records;
 540     }
 541
 542     private SignedPreKeyRecord generateSignedPreKey(IdentityKeyPair identityKeyPair) {
 543         final var signedPreKeyId = account.getNextSignedPreKeyId();
 544
 545         var record = KeyUtils.generateSignedPreKeyRecord(identityKeyPair, signedPreKeyId);
 546         account.addSignedPreKey(record);
 547
 548         return record;
 549     }
 550
 551     private SignalServiceMessagePipe getOrCreateMessagePipe() {
 552         if (messagePipe == null) {
 553             messagePipe = messageReceiver.createMessagePipe();
 554         }
 555         return messagePipe;
 556     }
 557
 558     private SignalServiceMessagePipe getOrCreateUnidentifiedMessagePipe() {
 559         if (unidentifiedMessagePipe == null) {
 560             unidentifiedMessagePipe = messageReceiver.createUnidentifiedMessagePipe();
 561         }
 562         return unidentifiedMessagePipe;
 563     }
 564
 565     private SignalServiceMessageSender createMessageSender() {
 566         return new SignalServiceMessageSender(serviceEnvironmentConfig.getSignalServiceConfiguration(),
 567                 account.getUuid(),
 568                 account.getUsername(),
 569                 account.getPassword(),
 570                 account.getDeviceId(),
 571                 account.getSignalProtocolStore(),
 572                 sessionLock,
 573                 userAgent,
 574                 account.isMultiDevice(),
 575                 Optional.fromNullable(messagePipe),
 576                 Optional.fromNullable(unidentifiedMessagePipe),
 577                 Optional.absent(),
 578                 clientZkProfileOperations,
 579                 executor,
 580                 ServiceConfig.MAX_ENVELOPE_SIZE,
 581                 ServiceConfig.AUTOMATIC_NETWORK_RETRY);
 582     }
 583
 584     public Profile getRecipientProfile(
 585             RecipientId recipientId
 586     ) {
 587         return getRecipientProfile(recipientId, false);
 588     }
 589
 590     private final Set<RecipientId> pendingProfileRequest = new HashSet<>();
 591
 592     Profile getRecipientProfile(
 593             RecipientId recipientId, boolean force
 594     ) {
 595         var profile = account.getProfileStore().getProfile(recipientId);
 596
 597         var now = System.currentTimeMillis();
 598         // Profiles are cached for 24h before retrieving them again, unless forced
 599         if (!force && profile != null && now - profile.getLastUpdateTimestamp() < 24 * 60 * 60 * 1000) {
 600             return profile;
 601         }
 602
 603         synchronized (pendingProfileRequest) {
 604             if (pendingProfileRequest.contains(recipientId)) {
 605                 return profile;
 606             }
 607             pendingProfileRequest.add(recipientId);
 608         }
 609         final SignalServiceProfile encryptedProfile;
 610         try {
 611             encryptedProfile = retrieveEncryptedProfile(recipientId);
 612         } finally {
 613             synchronized (pendingProfileRequest) {
 614                 pendingProfileRequest.remove(recipientId);
 615             }
 616         }
 617         if (encryptedProfile == null) {
 618             return null;
 619         }
 620
 621         var profileKey = account.getProfileStore().getProfileKey(recipientId);
 622         if (profileKey == null) {
 623             profile = new Profile(System.currentTimeMillis(),
 624                     null,
 625                     null,
 626                     null,
 627                     null,
 628                     ProfileUtils.getUnidentifiedAccessMode(encryptedProfile, null),
 629                     ProfileUtils.getCapabilities(encryptedProfile));
 630         } else {
 631             profile = decryptProfileAndDownloadAvatar(recipientId, profileKey, encryptedProfile);
 632         }
 633         account.getProfileStore().storeProfile(recipientId, profile);
 634
 635         return profile;
 636     }
 637
 638     private SignalServiceProfile retrieveEncryptedProfile(RecipientId recipientId) {
 639         try {
 640             return retrieveProfileAndCredential(recipientId, SignalServiceProfile.RequestType.PROFILE).getProfile();
 641         } catch (IOException e) {
 642             logger.warn("Failed to retrieve profile, ignoring: {}", e.getMessage());
 643             return null;
 644         }
 645     }
 646
 647     private ProfileAndCredential retrieveProfileAndCredential(
 648             final RecipientId recipientId, final SignalServiceProfile.RequestType requestType
 649     ) throws IOException {
 650         final var profileAndCredential = profileHelper.retrieveProfileSync(recipientId, requestType);
 651         final var profile = profileAndCredential.getProfile();
 652
 653         try {
 654             var newIdentity = account.getIdentityKeyStore()
 655                     .saveIdentity(recipientId,
 656                             new IdentityKey(Base64.getDecoder().decode(profile.getIdentityKey())),
 657                             new Date());
 658
 659             if (newIdentity) {
 660                 account.getSessionStore().archiveSessions(recipientId);
 661             }
 662         } catch (InvalidKeyException ignored) {
 663             logger.warn("Got invalid identity key in profile for {}",
 664                     resolveSignalServiceAddress(recipientId).getIdentifier());
 665         }
 666         return profileAndCredential;
 667     }
 668
 669     private ProfileKeyCredential getRecipientProfileKeyCredential(RecipientId recipientId) {
 670         var profileKeyCredential = account.getProfileStore().getProfileKeyCredential(recipientId);
 671         if (profileKeyCredential != null) {
 672             return profileKeyCredential;
 673         }
 674
 675         ProfileAndCredential profileAndCredential;
 676         try {
 677             profileAndCredential = retrieveProfileAndCredential(recipientId,
 678                     SignalServiceProfile.RequestType.PROFILE_AND_CREDENTIAL);
 679         } catch (IOException e) {
 680             logger.warn("Failed to retrieve profile key credential, ignoring: {}", e.getMessage());
 681             return null;
 682         }
 683
 684         profileKeyCredential = profileAndCredential.getProfileKeyCredential().orNull();
 685         account.getProfileStore().storeProfileKeyCredential(recipientId, profileKeyCredential);
 686
 687         var profileKey = account.getProfileStore().getProfileKey(recipientId);
 688         if (profileKey != null) {
 689             final var profile = decryptProfileAndDownloadAvatar(recipientId,
 690                     profileKey,
 691                     profileAndCredential.getProfile());
 692             account.getProfileStore().storeProfile(recipientId, profile);
 693         }
 694
 695         return profileKeyCredential;
 696     }
 697
 698     private Profile decryptProfileAndDownloadAvatar(
 699             final RecipientId recipientId, final ProfileKey profileKey, final SignalServiceProfile encryptedProfile
 700     ) {
 701         if (encryptedProfile.getAvatar() != null) {
 702             downloadProfileAvatar(resolveSignalServiceAddress(recipientId), encryptedProfile.getAvatar(), profileKey);
 703         }
 704
 705         return ProfileUtils.decryptProfile(profileKey, encryptedProfile);
 706     }
 707
 708     private Optional<SignalServiceAttachmentStream> createGroupAvatarAttachment(GroupId groupId) throws IOException {
 709         final var streamDetails = avatarStore.retrieveGroupAvatar(groupId);
 710         if (streamDetails == null) {
 711             return Optional.absent();
 712         }
 713
 714         return Optional.of(AttachmentUtils.createAttachment(streamDetails, Optional.absent()));
 715     }
 716
 717     private Optional<SignalServiceAttachmentStream> createContactAvatarAttachment(SignalServiceAddress address) throws IOException {
 718         final var streamDetails = avatarStore.retrieveContactAvatar(address);
 719         if (streamDetails == null) {
 720             return Optional.absent();
 721         }
 722
 723         return Optional.of(AttachmentUtils.createAttachment(streamDetails, Optional.absent()));
 724     }
 725
 726     private GroupInfo getGroupForSending(GroupId groupId) throws GroupNotFoundException, NotAGroupMemberException {
 727         var g = getGroup(groupId);
 728         if (g == null) {
 729             throw new GroupNotFoundException(groupId);
 730         }
 731         if (!g.isMember(account.getSelfRecipientId())) {
 732             throw new NotAGroupMemberException(groupId, g.getTitle());
 733         }
 734         return g;
 735     }
 736
 737     private GroupInfo getGroupForUpdating(GroupId groupId) throws GroupNotFoundException, NotAGroupMemberException {
 738         var g = getGroup(groupId);
 739         if (g == null) {
 740             throw new GroupNotFoundException(groupId);
 741         }
 742         if (!g.isMember(account.getSelfRecipientId()) && !g.isPendingMember(account.getSelfRecipientId())) {
 743             throw new NotAGroupMemberException(groupId, g.getTitle());
 744         }
 745         return g;
 746     }
 747
 748     public List<GroupInfo> getGroups() {
 749         return account.getGroupStore().getGroups();
 750     }
 751
 752     public Pair<Long, List<SendMessageResult>> sendGroupMessage(
 753             String messageText, List<String> attachments, GroupId groupId
 754     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
 755         final var messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
 756         if (attachments != null) {
 757             messageBuilder.withAttachments(AttachmentUtils.getSignalServiceAttachments(attachments));
 758         }
 759
 760         return sendGroupMessage(messageBuilder, groupId);
 761     }
 762
 763     public Pair<Long, List<SendMessageResult>> sendGroupMessageReaction(
 764             String emoji, boolean remove, String targetAuthor, long targetSentTimestamp, GroupId groupId
 765     ) throws IOException, InvalidNumberException, NotAGroupMemberException, GroupNotFoundException {
 766         var targetAuthorRecipientId = canonicalizeAndResolveRecipient(targetAuthor);
 767         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 768                 remove,
 769                 resolveSignalServiceAddress(targetAuthorRecipientId),
 770                 targetSentTimestamp);
 771         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 772
 773         return sendGroupMessage(messageBuilder, groupId);
 774     }
 775
 776     public Pair<Long, List<SendMessageResult>> sendGroupMessage(
 777             SignalServiceDataMessage.Builder messageBuilder, GroupId groupId
 778     ) throws IOException, GroupNotFoundException, NotAGroupMemberException {
 779         final var g = getGroupForSending(groupId);
 780
 781         GroupUtils.setGroupContext(messageBuilder, g);
 782         messageBuilder.withExpiration(g.getMessageExpirationTime());
 783
 784         return sendMessage(messageBuilder, g.getMembersWithout(account.getSelfRecipientId()));
 785     }
 786
 787     public Pair<Long, List<SendMessageResult>> sendQuitGroupMessage(
 788             GroupId groupId, Set<String> groupAdmins
 789     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, InvalidNumberException, LastGroupAdminException {
 790         var group = getGroupForUpdating(groupId);
 791         if (group instanceof GroupInfoV1) {
 792             return quitGroupV1((GroupInfoV1) group);
 793         }
 794
 795         final var newAdmins = getSignalServiceAddresses(groupAdmins);
 796         try {
 797             return quitGroupV2((GroupInfoV2) group, newAdmins);
 798         } catch (ConflictException e) {
 799             // Detected conflicting update, refreshing group and trying again
 800             group = getGroup(groupId, true);
 801             return quitGroupV2((GroupInfoV2) group, newAdmins);
 802         }
 803     }
 804
 805     private Pair<Long, List<SendMessageResult>> quitGroupV1(final GroupInfoV1 groupInfoV1) throws IOException {
 806         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.QUIT)
 807                 .withId(groupInfoV1.getGroupId().serialize())
 808                 .build();
 809
 810         var messageBuilder = SignalServiceDataMessage.newBuilder().asGroupMessage(group);
 811         groupInfoV1.removeMember(account.getSelfRecipientId());
 812         account.getGroupStore().updateGroup(groupInfoV1);
 813         return sendMessage(messageBuilder, groupInfoV1.getMembersWithout(account.getSelfRecipientId()));
 814     }
 815
 816     private Pair<Long, List<SendMessageResult>> quitGroupV2(
 817             final GroupInfoV2 groupInfoV2, final Set<RecipientId> newAdmins
 818     ) throws LastGroupAdminException, IOException {
 819         final var currentAdmins = groupInfoV2.getAdminMembers();
 820         newAdmins.removeAll(currentAdmins);
 821         newAdmins.retainAll(groupInfoV2.getMembers());
 822         if (currentAdmins.contains(getSelfRecipientId())
 823                 && currentAdmins.size() == 1
 824                 && groupInfoV2.getMembers().size() > 1
 825                 && newAdmins.size() == 0) {
 826             // Last admin can't leave the group, unless she's also the last member
 827             throw new LastGroupAdminException(groupInfoV2.getGroupId(), groupInfoV2.getTitle());
 828         }
 829         final var groupGroupChangePair = groupV2Helper.leaveGroup(groupInfoV2, newAdmins);
 830         groupInfoV2.setGroup(groupGroupChangePair.first(), this::resolveRecipient);
 831         var messageBuilder = getGroupUpdateMessageBuilder(groupInfoV2, groupGroupChangePair.second().toByteArray());
 832         account.getGroupStore().updateGroup(groupInfoV2);
 833         return sendMessage(messageBuilder, groupInfoV2.getMembersWithout(account.getSelfRecipientId()));
 834     }
 835
 836     public void deleteGroup(GroupId groupId) throws IOException {
 837         account.getGroupStore().deleteGroup(groupId);
 838         avatarStore.deleteGroupAvatar(groupId);
 839     }
 840
 841     public Pair<GroupId, List<SendMessageResult>> createGroup(
 842             String name, List<String> members, File avatarFile
 843     ) throws IOException, AttachmentInvalidException, InvalidNumberException {
 844         return createGroup(name, members == null ? null : getSignalServiceAddresses(members), avatarFile);
 845     }
 846
 847     private Pair<GroupId, List<SendMessageResult>> createGroup(
 848             String name, Set<RecipientId> members, File avatarFile
 849     ) throws IOException, AttachmentInvalidException {
 850         final var selfRecipientId = account.getSelfRecipientId();
 851         if (members != null && members.contains(selfRecipientId)) {
 852             members = new HashSet<>(members);
 853             members.remove(selfRecipientId);
 854         }
 855
 856         var gv2Pair = groupV2Helper.createGroup(name == null ? "" : name,
 857                 members == null ? Set.of() : members,
 858                 avatarFile);
 859
 860         SignalServiceDataMessage.Builder messageBuilder;
 861         if (gv2Pair == null) {
 862             // Failed to create v2 group, creating v1 group instead
 863             var gv1 = new GroupInfoV1(GroupIdV1.createRandom());
 864             gv1.addMembers(List.of(selfRecipientId));
 865             final var result = updateGroupV1(gv1, name, members, avatarFile);
 866             return new Pair<>(gv1.getGroupId(), result.second());
 867         }
 868
 869         final var gv2 = gv2Pair.first();
 870         final var decryptedGroup = gv2Pair.second();
 871
 872         gv2.setGroup(decryptedGroup, this::resolveRecipient);
 873         if (avatarFile != null) {
 874             avatarStore.storeGroupAvatar(gv2.getGroupId(),
 875                     outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
 876         }
 877         messageBuilder = getGroupUpdateMessageBuilder(gv2, null);
 878         account.getGroupStore().updateGroup(gv2);
 879
 880         final var result = sendMessage(messageBuilder, gv2.getMembersIncludingPendingWithout(selfRecipientId));
 881         return new Pair<>(gv2.getGroupId(), result.second());
 882     }
 883
 884     public Pair<Long, List<SendMessageResult>> updateGroup(
 885             GroupId groupId,
 886             String name,
 887             String description,
 888             List<String> members,
 889             List<String> removeMembers,
 890             List<String> admins,
 891             List<String> removeAdmins,
 892             boolean resetGroupLink,
 893             GroupLinkState groupLinkState,
 894             GroupPermission addMemberPermission,
 895             GroupPermission editDetailsPermission,
 896             File avatarFile,
 897             Integer expirationTimer
 898     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, InvalidNumberException, NotAGroupMemberException {
 899         return updateGroup(groupId,
 900                 name,
 901                 description,
 902                 members == null ? null : getSignalServiceAddresses(members),
 903                 removeMembers == null ? null : getSignalServiceAddresses(removeMembers),
 904                 admins == null ? null : getSignalServiceAddresses(admins),
 905                 removeAdmins == null ? null : getSignalServiceAddresses(removeAdmins),
 906                 resetGroupLink,
 907                 groupLinkState,
 908                 addMemberPermission,
 909                 editDetailsPermission,
 910                 avatarFile,
 911                 expirationTimer);
 912     }
 913
 914     private Pair<Long, List<SendMessageResult>> updateGroup(
 915             final GroupId groupId,
 916             final String name,
 917             final String description,
 918             final Set<RecipientId> members,
 919             final Set<RecipientId> removeMembers,
 920             final Set<RecipientId> admins,
 921             final Set<RecipientId> removeAdmins,
 922             final boolean resetGroupLink,
 923             final GroupLinkState groupLinkState,
 924             final GroupPermission addMemberPermission,
 925             final GroupPermission editDetailsPermission,
 926             final File avatarFile,
 927             final Integer expirationTimer
 928     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException {
 929         var group = getGroupForUpdating(groupId);
 930
 931         if (group instanceof GroupInfoV2) {
 932             try {
 933                 return updateGroupV2((GroupInfoV2) group,
 934                         name,
 935                         description,
 936                         members,
 937                         removeMembers,
 938                         admins,
 939                         removeAdmins,
 940                         resetGroupLink,
 941                         groupLinkState,
 942                         addMemberPermission,
 943                         editDetailsPermission,
 944                         avatarFile,
 945                         expirationTimer);
 946             } catch (ConflictException e) {
 947                 // Detected conflicting update, refreshing group and trying again
 948                 group = getGroup(groupId, true);
 949                 return updateGroupV2((GroupInfoV2) group,
 950                         name,
 951                         description,
 952                         members,
 953                         removeMembers,
 954                         admins,
 955                         removeAdmins,
 956                         resetGroupLink,
 957                         groupLinkState,
 958                         addMemberPermission,
 959                         editDetailsPermission,
 960                         avatarFile,
 961                         expirationTimer);
 962             }
 963         }
 964
 965         final var gv1 = (GroupInfoV1) group;
 966         final var result = updateGroupV1(gv1, name, members, avatarFile);
 967         if (expirationTimer != null) {
 968             setExpirationTimer(gv1, expirationTimer);
 969         }
 970         return result;
 971     }
 972
 973     private Pair<Long, List<SendMessageResult>> updateGroupV1(
 974             final GroupInfoV1 gv1, final String name, final Set<RecipientId> members, final File avatarFile
 975     ) throws IOException, AttachmentInvalidException {
 976         updateGroupV1Details(gv1, name, members, avatarFile);
 977         var messageBuilder = getGroupUpdateMessageBuilder(gv1);
 978
 979         account.getGroupStore().updateGroup(gv1);
 980
 981         return sendMessage(messageBuilder, gv1.getMembersIncludingPendingWithout(account.getSelfRecipientId()));
 982     }
 983
 984     private void updateGroupV1Details(
 985             final GroupInfoV1 g, final String name, final Collection<RecipientId> members, final File avatarFile
 986     ) throws IOException {
 987         if (name != null) {
 988             g.name = name;
 989         }
 990
 991         if (members != null) {
 992             final var newMemberAddresses = members.stream()
 993                     .filter(member -> !g.isMember(member))
 994                     .map(this::resolveSignalServiceAddress)
 995                     .collect(Collectors.toList());
 996             final var newE164Members = new HashSet<String>();
 997             for (var member : newMemberAddresses) {
 998                 if (!member.getNumber().isPresent()) {
 999                     continue;
1000                 }
1001                 newE164Members.add(member.getNumber().get());
1002             }
1003
1004             final var registeredUsers = getRegisteredUsers(newE164Members);
1005             if (registeredUsers.size() != newE164Members.size()) {
1006                 // Some of the new members are not registered on Signal
1007                 newE164Members.removeAll(registeredUsers.keySet());
1008                 throw new IOException("Failed to add members "
1009                         + String.join(", ", newE164Members)
1010                         + " to group: Not registered on Signal");
1011             }
1012
1013             g.addMembers(members);
1014         }
1015
1016         if (avatarFile != null) {
1017             avatarStore.storeGroupAvatar(g.getGroupId(),
1018                     outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
1019         }
1020     }
1021
1022     private Pair<Long, List<SendMessageResult>> updateGroupV2(
1023             final GroupInfoV2 group,
1024             final String name,
1025             final String description,
1026             final Set<RecipientId> members,
1027             final Set<RecipientId> removeMembers,
1028             final Set<RecipientId> admins,
1029             final Set<RecipientId> removeAdmins,
1030             final boolean resetGroupLink,
1031             final GroupLinkState groupLinkState,
1032             final GroupPermission addMemberPermission,
1033             final GroupPermission editDetailsPermission,
1034             final File avatarFile,
1035             Integer expirationTimer
1036     ) throws IOException {
1037         Pair<Long, List<SendMessageResult>> result = null;
1038         if (group.isPendingMember(account.getSelfRecipientId())) {
1039             var groupGroupChangePair = groupV2Helper.acceptInvite(group);
1040             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1041         }
1042
1043         if (members != null) {
1044             final var newMembers = new HashSet<>(members);
1045             newMembers.removeAll(group.getMembers());
1046             if (newMembers.size() > 0) {
1047                 var groupGroupChangePair = groupV2Helper.addMembers(group, newMembers);
1048                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1049             }
1050         }
1051
1052         if (removeMembers != null) {
1053             var existingRemoveMembers = new HashSet<>(removeMembers);
1054             existingRemoveMembers.retainAll(group.getMembers());
1055             existingRemoveMembers.remove(getSelfRecipientId());// self can be removed with sendQuitGroupMessage
1056             if (existingRemoveMembers.size() > 0) {
1057                 var groupGroupChangePair = groupV2Helper.removeMembers(group, existingRemoveMembers);
1058                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1059             }
1060
1061             var pendingRemoveMembers = new HashSet<>(removeMembers);
1062             pendingRemoveMembers.retainAll(group.getPendingMembers());
1063             if (pendingRemoveMembers.size() > 0) {
1064                 var groupGroupChangePair = groupV2Helper.revokeInvitedMembers(group, pendingRemoveMembers);
1065                 result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1066             }
1067         }
1068
1069         if (admins != null) {
1070             final var newAdmins = new HashSet<>(admins);
1071             newAdmins.retainAll(group.getMembers());
1072             newAdmins.removeAll(group.getAdminMembers());
1073             if (newAdmins.size() > 0) {
1074                 for (var admin : newAdmins) {
1075                     var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, true);
1076                     result = sendUpdateGroupV2Message(group,
1077                             groupGroupChangePair.first(),
1078                             groupGroupChangePair.second());
1079                 }
1080             }
1081         }
1082
1083         if (removeAdmins != null) {
1084             final var existingRemoveAdmins = new HashSet<>(removeAdmins);
1085             existingRemoveAdmins.retainAll(group.getAdminMembers());
1086             if (existingRemoveAdmins.size() > 0) {
1087                 for (var admin : existingRemoveAdmins) {
1088                     var groupGroupChangePair = groupV2Helper.setMemberAdmin(group, admin, false);
1089                     result = sendUpdateGroupV2Message(group,
1090                             groupGroupChangePair.first(),
1091                             groupGroupChangePair.second());
1092                 }
1093             }
1094         }
1095
1096         if (resetGroupLink) {
1097             var groupGroupChangePair = groupV2Helper.resetGroupLinkPassword(group);
1098             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1099         }
1100
1101         if (groupLinkState != null) {
1102             var groupGroupChangePair = groupV2Helper.setGroupLinkState(group, groupLinkState);
1103             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1104         }
1105
1106         if (addMemberPermission != null) {
1107             var groupGroupChangePair = groupV2Helper.setAddMemberPermission(group, addMemberPermission);
1108             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1109         }
1110
1111         if (editDetailsPermission != null) {
1112             var groupGroupChangePair = groupV2Helper.setEditDetailsPermission(group, editDetailsPermission);
1113             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1114         }
1115
1116         if (expirationTimer != null) {
1117             var groupGroupChangePair = groupV2Helper.setMessageExpirationTimer(group, expirationTimer);
1118             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1119         }
1120
1121         if (name != null || description != null || avatarFile != null) {
1122             var groupGroupChangePair = groupV2Helper.updateGroup(group, name, description, avatarFile);
1123             if (avatarFile != null) {
1124                 avatarStore.storeGroupAvatar(group.getGroupId(),
1125                         outputStream -> IOUtils.copyFileToStream(avatarFile, outputStream));
1126             }
1127             result = sendUpdateGroupV2Message(group, groupGroupChangePair.first(), groupGroupChangePair.second());
1128         }
1129
1130         return result;
1131     }
1132
1133     public Pair<GroupId, List<SendMessageResult>> joinGroup(
1134             GroupInviteLinkUrl inviteLinkUrl
1135     ) throws IOException, GroupLinkNotActiveException {
1136         final var groupJoinInfo = groupV2Helper.getDecryptedGroupJoinInfo(inviteLinkUrl.getGroupMasterKey(),
1137                 inviteLinkUrl.getPassword());
1138         final var groupChange = groupV2Helper.joinGroup(inviteLinkUrl.getGroupMasterKey(),
1139                 inviteLinkUrl.getPassword(),
1140                 groupJoinInfo);
1141         final var group = getOrMigrateGroup(inviteLinkUrl.getGroupMasterKey(),
1142                 groupJoinInfo.getRevision() + 1,
1143                 groupChange.toByteArray());
1144
1145         if (group.getGroup() == null) {
1146             // Only requested member, can't send update to group members
1147             return new Pair<>(group.getGroupId(), List.of());
1148         }
1149
1150         final var result = sendUpdateGroupV2Message(group, group.getGroup(), groupChange);
1151
1152         return new Pair<>(group.getGroupId(), result.second());
1153     }
1154
1155     private Pair<Long, List<SendMessageResult>> sendUpdateGroupV2Message(
1156             GroupInfoV2 group, DecryptedGroup newDecryptedGroup, GroupChange groupChange
1157     ) throws IOException {
1158         final var selfRecipientId = account.getSelfRecipientId();
1159         final var members = group.getMembersIncludingPendingWithout(selfRecipientId);
1160         group.setGroup(newDecryptedGroup, this::resolveRecipient);
1161         members.addAll(group.getMembersIncludingPendingWithout(selfRecipientId));
1162
1163         final var messageBuilder = getGroupUpdateMessageBuilder(group, groupChange.toByteArray());
1164         account.getGroupStore().updateGroup(group);
1165         return sendMessage(messageBuilder, members);
1166     }
1167
1168     private static int currentTimeDays() {
1169         return (int) TimeUnit.MILLISECONDS.toDays(System.currentTimeMillis());
1170     }
1171
1172     private GroupsV2AuthorizationString getGroupAuthForToday(
1173             final GroupSecretParams groupSecretParams
1174     ) throws IOException {
1175         final var today = currentTimeDays();
1176         // Returns credentials for the next 7 days
1177         final var credentials = groupsV2Api.getCredentials(today);
1178         // TODO cache credentials until they expire
1179         var authCredentialResponse = credentials.get(today);
1180         try {
1181             return groupsV2Api.getGroupsV2AuthorizationString(account.getUuid(),
1182                     today,
1183                     groupSecretParams,
1184                     authCredentialResponse);
1185         } catch (VerificationFailedException e) {
1186             throw new IOException(e);
1187         }
1188     }
1189
1190     Pair<Long, List<SendMessageResult>> sendGroupInfoMessage(
1191             GroupIdV1 groupId, SignalServiceAddress recipient
1192     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, AttachmentInvalidException {
1193         GroupInfoV1 g;
1194         var group = getGroupForSending(groupId);
1195         if (!(group instanceof GroupInfoV1)) {
1196             throw new RuntimeException("Received an invalid group request for a v2 group!");
1197         }
1198         g = (GroupInfoV1) group;
1199
1200         final var recipientId = resolveRecipient(recipient);
1201         if (!g.isMember(recipientId)) {
1202             throw new NotAGroupMemberException(groupId, g.name);
1203         }
1204
1205         var messageBuilder = getGroupUpdateMessageBuilder(g);
1206
1207         // Send group message only to the recipient who requested it
1208         return sendMessage(messageBuilder, Set.of(recipientId));
1209     }
1210
1211     private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfoV1 g) throws AttachmentInvalidException {
1212         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.UPDATE)
1213                 .withId(g.getGroupId().serialize())
1214                 .withName(g.name)
1215                 .withMembers(g.getMembers()
1216                         .stream()
1217                         .map(this::resolveSignalServiceAddress)
1218                         .collect(Collectors.toList()));
1219
1220         try {
1221             final var attachment = createGroupAvatarAttachment(g.getGroupId());
1222             if (attachment.isPresent()) {
1223                 group.withAvatar(attachment.get());
1224             }
1225         } catch (IOException e) {
1226             throw new AttachmentInvalidException(g.getGroupId().toBase64(), e);
1227         }
1228
1229         return SignalServiceDataMessage.newBuilder()
1230                 .asGroupMessage(group.build())
1231                 .withExpiration(g.getMessageExpirationTime());
1232     }
1233
1234     private SignalServiceDataMessage.Builder getGroupUpdateMessageBuilder(GroupInfoV2 g, byte[] signedGroupChange) {
1235         var group = SignalServiceGroupV2.newBuilder(g.getMasterKey())
1236                 .withRevision(g.getGroup().getRevision())
1237                 .withSignedGroupChange(signedGroupChange);
1238         return SignalServiceDataMessage.newBuilder()
1239                 .asGroupMessage(group.build())
1240                 .withExpiration(g.getMessageExpirationTime());
1241     }
1242
1243     Pair<Long, List<SendMessageResult>> sendGroupInfoRequest(
1244             GroupIdV1 groupId, SignalServiceAddress recipient
1245     ) throws IOException {
1246         var group = SignalServiceGroup.newBuilder(SignalServiceGroup.Type.REQUEST_INFO).withId(groupId.serialize());
1247
1248         var messageBuilder = SignalServiceDataMessage.newBuilder().asGroupMessage(group.build());
1249
1250         // Send group info request message to the recipient who sent us a message with this groupId
1251         return sendMessage(messageBuilder, Set.of(resolveRecipient(recipient)));
1252     }
1253
1254     void sendReceipt(
1255             SignalServiceAddress remoteAddress, long messageId
1256     ) throws IOException, UntrustedIdentityException {
1257         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.DELIVERY,
1258                 List.of(messageId),
1259                 System.currentTimeMillis());
1260
1261         createMessageSender().sendReceipt(remoteAddress,
1262                 unidentifiedAccessHelper.getAccessFor(resolveRecipient(remoteAddress)),
1263                 receiptMessage);
1264     }
1265
1266     public Pair<Long, List<SendMessageResult>> sendMessage(
1267             String messageText, List<String> attachments, List<String> recipients
1268     ) throws IOException, AttachmentInvalidException, InvalidNumberException {
1269         final var messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
1270         if (attachments != null) {
1271             var attachmentStreams = AttachmentUtils.getSignalServiceAttachments(attachments);
1272
1273             // Upload attachments here, so we only upload once even for multiple recipients
1274             var messageSender = createMessageSender();
1275             var attachmentPointers = new ArrayList<SignalServiceAttachment>(attachmentStreams.size());
1276             for (var attachment : attachmentStreams) {
1277                 if (attachment.isStream()) {
1278                     attachmentPointers.add(messageSender.uploadAttachment(attachment.asStream()));
1279                 } else if (attachment.isPointer()) {
1280                     attachmentPointers.add(attachment.asPointer());
1281                 }
1282             }
1283
1284             messageBuilder.withAttachments(attachmentPointers);
1285         }
1286         return sendMessage(messageBuilder, getSignalServiceAddresses(recipients));
1287     }
1288
1289     public Pair<Long, SendMessageResult> sendSelfMessage(
1290             String messageText, List<String> attachments
1291     ) throws IOException, AttachmentInvalidException {
1292         final var messageBuilder = SignalServiceDataMessage.newBuilder().withBody(messageText);
1293         if (attachments != null) {
1294             messageBuilder.withAttachments(AttachmentUtils.getSignalServiceAttachments(attachments));
1295         }
1296         return sendSelfMessage(messageBuilder);
1297     }
1298
1299     public Pair<Long, List<SendMessageResult>> sendRemoteDeleteMessage(
1300             long targetSentTimestamp, List<String> recipients
1301     ) throws IOException, InvalidNumberException {
1302         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
1303         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
1304         return sendMessage(messageBuilder, getSignalServiceAddresses(recipients));
1305     }
1306
1307     public Pair<Long, List<SendMessageResult>> sendGroupRemoteDeleteMessage(
1308             long targetSentTimestamp, GroupId groupId
1309     ) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1310         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
1311         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
1312         return sendGroupMessage(messageBuilder, groupId);
1313     }
1314
1315     public Pair<Long, List<SendMessageResult>> sendMessageReaction(
1316             String emoji, boolean remove, String targetAuthor, long targetSentTimestamp, List<String> recipients
1317     ) throws IOException, InvalidNumberException {
1318         var targetAuthorRecipientId = canonicalizeAndResolveRecipient(targetAuthor);
1319         var reaction = new SignalServiceDataMessage.Reaction(emoji,
1320                 remove,
1321                 resolveSignalServiceAddress(targetAuthorRecipientId),
1322                 targetSentTimestamp);
1323         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
1324         return sendMessage(messageBuilder, getSignalServiceAddresses(recipients));
1325     }
1326
1327     public Pair<Long, List<SendMessageResult>> sendEndSessionMessage(List<String> recipients) throws IOException, InvalidNumberException {
1328         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
1329
1330         final var signalServiceAddresses = getSignalServiceAddresses(recipients);
1331         try {
1332             return sendMessage(messageBuilder, signalServiceAddresses);
1333         } catch (Exception e) {
1334             for (var address : signalServiceAddresses) {
1335                 handleEndSession(address);
1336             }
1337             throw e;
1338         }
1339     }
1340
1341     void renewSession(RecipientId recipientId) throws IOException {
1342         account.getSessionStore().archiveSessions(recipientId);
1343         if (!recipientId.equals(getSelfRecipientId())) {
1344             sendNullMessage(recipientId);
1345         }
1346     }
1347
1348     public String getContactName(String number) throws InvalidNumberException {
1349         var contact = account.getContactStore().getContact(canonicalizeAndResolveRecipient(number));
1350         return contact == null || contact.getName() == null ? "" : contact.getName();
1351     }
1352
1353     public void setContactName(String number, String name) throws InvalidNumberException, NotMasterDeviceException {
1354         if (!account.isMasterDevice()) {
1355             throw new NotMasterDeviceException();
1356         }
1357         final var recipientId = canonicalizeAndResolveRecipient(number);
1358         var contact = account.getContactStore().getContact(recipientId);
1359         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1360         account.getContactStore().storeContact(recipientId, builder.withName(name).build());
1361     }
1362
1363     public void setContactBlocked(
1364             String number, boolean blocked
1365     ) throws InvalidNumberException, NotMasterDeviceException {
1366         if (!account.isMasterDevice()) {
1367             throw new NotMasterDeviceException();
1368         }
1369         setContactBlocked(canonicalizeAndResolveRecipient(number), blocked);
1370     }
1371
1372     private void setContactBlocked(RecipientId recipientId, boolean blocked) {
1373         var contact = account.getContactStore().getContact(recipientId);
1374         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1375         account.getContactStore().storeContact(recipientId, builder.withBlocked(blocked).build());
1376     }
1377
1378     public void setGroupBlocked(final GroupId groupId, final boolean blocked) throws GroupNotFoundException {
1379         var group = getGroup(groupId);
1380         if (group == null) {
1381             throw new GroupNotFoundException(groupId);
1382         }
1383
1384         group.setBlocked(blocked);
1385         account.getGroupStore().updateGroup(group);
1386     }
1387
1388     private void setExpirationTimer(RecipientId recipientId, int messageExpirationTimer) {
1389         var contact = account.getContactStore().getContact(recipientId);
1390         if (contact != null && contact.getMessageExpirationTime() == messageExpirationTimer) {
1391             return;
1392         }
1393         final var builder = contact == null ? Contact.newBuilder() : Contact.newBuilder(contact);
1394         account.getContactStore()
1395                 .storeContact(recipientId, builder.withMessageExpirationTime(messageExpirationTimer).build());
1396     }
1397
1398     private void sendExpirationTimerUpdate(RecipientId recipientId) throws IOException {
1399         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
1400         sendMessage(messageBuilder, Set.of(recipientId));
1401     }
1402
1403     /**
1404      * Change the expiration timer for a contact
1405      */
1406     public void setExpirationTimer(
1407             String number, int messageExpirationTimer
1408     ) throws IOException, InvalidNumberException {
1409         var recipientId = canonicalizeAndResolveRecipient(number);
1410         setExpirationTimer(recipientId, messageExpirationTimer);
1411         sendExpirationTimerUpdate(recipientId);
1412     }
1413
1414     /**
1415      * Change the expiration timer for a group
1416      */
1417     private void setExpirationTimer(
1418             GroupInfoV1 groupInfoV1, int messageExpirationTimer
1419     ) throws NotAGroupMemberException, GroupNotFoundException, IOException {
1420         groupInfoV1.messageExpirationTime = messageExpirationTimer;
1421         account.getGroupStore().updateGroup(groupInfoV1);
1422         sendExpirationTimerUpdate(groupInfoV1.getGroupId());
1423     }
1424
1425     private void sendExpirationTimerUpdate(GroupIdV1 groupId) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1426         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
1427         sendGroupMessage(messageBuilder, groupId);
1428     }
1429
1430     /**
1431      * Upload the sticker pack from path.
1432      *
1433      * @param path Path can be a path to a manifest.json file or to a zip file that contains a manifest.json file
1434      * @return if successful, returns the URL to install the sticker pack in the signal app
1435      */
1436     public String uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
1437         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
1438
1439         var messageSender = createMessageSender();
1440
1441         var packKey = KeyUtils.createStickerUploadKey();
1442         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
1443         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
1444
1445         var sticker = new Sticker(packId, packKey);
1446         account.getStickerStore().updateSticker(sticker);
1447
1448         try {
1449             return new URI("https",
1450                     "signal.art",
1451                     "/addstickers/",
1452                     "pack_id="
1453                             + URLEncoder.encode(Hex.toStringCondensed(packId.serialize()), StandardCharsets.UTF_8)
1454                             + "&pack_key="
1455                             + URLEncoder.encode(Hex.toStringCondensed(packKey), StandardCharsets.UTF_8)).toString();
1456         } catch (URISyntaxException e) {
1457             throw new AssertionError(e);
1458         }
1459     }
1460
1461     public void requestAllSyncData() throws IOException {
1462         requestSyncGroups();
1463         requestSyncContacts();
1464         requestSyncBlocked();
1465         requestSyncConfiguration();
1466         requestSyncKeys();
1467     }
1468
1469     private void requestSyncGroups() throws IOException {
1470         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1471                 .setType(SignalServiceProtos.SyncMessage.Request.Type.GROUPS)
1472                 .build();
1473         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1474         try {
1475             sendSyncMessage(message);
1476         } catch (UntrustedIdentityException e) {
1477             throw new AssertionError(e);
1478         }
1479     }
1480
1481     private void requestSyncContacts() throws IOException {
1482         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1483                 .setType(SignalServiceProtos.SyncMessage.Request.Type.CONTACTS)
1484                 .build();
1485         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1486         try {
1487             sendSyncMessage(message);
1488         } catch (UntrustedIdentityException e) {
1489             throw new AssertionError(e);
1490         }
1491     }
1492
1493     private void requestSyncBlocked() throws IOException {
1494         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1495                 .setType(SignalServiceProtos.SyncMessage.Request.Type.BLOCKED)
1496                 .build();
1497         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1498         try {
1499             sendSyncMessage(message);
1500         } catch (UntrustedIdentityException e) {
1501             throw new AssertionError(e);
1502         }
1503     }
1504
1505     private void requestSyncConfiguration() throws IOException {
1506         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1507                 .setType(SignalServiceProtos.SyncMessage.Request.Type.CONFIGURATION)
1508                 .build();
1509         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1510         try {
1511             sendSyncMessage(message);
1512         } catch (UntrustedIdentityException e) {
1513             throw new AssertionError(e);
1514         }
1515     }
1516
1517     private void requestSyncKeys() throws IOException {
1518         var r = SignalServiceProtos.SyncMessage.Request.newBuilder()
1519                 .setType(SignalServiceProtos.SyncMessage.Request.Type.KEYS)
1520                 .build();
1521         var message = SignalServiceSyncMessage.forRequest(new RequestMessage(r));
1522         try {
1523             sendSyncMessage(message);
1524         } catch (UntrustedIdentityException e) {
1525             throw new AssertionError(e);
1526         }
1527     }
1528
1529     private byte[] getSenderCertificate() {
1530         byte[] certificate;
1531         try {
1532             if (account.isPhoneNumberShared()) {
1533                 certificate = accountManager.getSenderCertificate();
1534             } else {
1535                 certificate = accountManager.getSenderCertificateForPhoneNumberPrivacy();
1536             }
1537         } catch (IOException e) {
1538             logger.warn("Failed to get sender certificate, ignoring: {}", e.getMessage());
1539             return null;
1540         }
1541         // TODO cache for a day
1542         return certificate;
1543     }
1544
1545     private void sendSyncMessage(SignalServiceSyncMessage message) throws IOException, UntrustedIdentityException {
1546         var messageSender = createMessageSender();
1547         messageSender.sendSyncMessage(message, unidentifiedAccessHelper.getAccessForSync());
1548     }
1549
1550     private Set<RecipientId> getSignalServiceAddresses(Collection<String> numbers) throws InvalidNumberException {
1551         final var signalServiceAddresses = new HashSet<SignalServiceAddress>(numbers.size());
1552         final var addressesMissingUuid = new HashSet<SignalServiceAddress>();
1553
1554         for (var number : numbers) {
1555             final var resolvedAddress = resolveSignalServiceAddress(canonicalizeAndResolveRecipient(number));
1556             if (resolvedAddress.getUuid().isPresent()) {
1557                 signalServiceAddresses.add(resolvedAddress);
1558             } else {
1559                 addressesMissingUuid.add(resolvedAddress);
1560             }
1561         }
1562
1563         final var numbersMissingUuid = addressesMissingUuid.stream()
1564                 .map(a -> a.getNumber().get())
1565                 .collect(Collectors.toSet());
1566         Map<String, UUID> registeredUsers;
1567         try {
1568             registeredUsers = getRegisteredUsers(numbersMissingUuid);
1569         } catch (IOException e) {
1570             logger.warn("Failed to resolve uuids from server, ignoring: {}", e.getMessage());
1571             registeredUsers = Map.of();
1572         }
1573
1574         for (var address : addressesMissingUuid) {
1575             final var number = address.getNumber().get();
1576             if (registeredUsers.containsKey(number)) {
1577                 final var newAddress = resolveSignalServiceAddress(resolveRecipientTrusted(new SignalServiceAddress(
1578                         registeredUsers.get(number),
1579                         number)));
1580                 signalServiceAddresses.add(newAddress);
1581             } else {
1582                 signalServiceAddresses.add(address);
1583             }
1584         }
1585
1586         return signalServiceAddresses.stream().map(this::resolveRecipient).collect(Collectors.toSet());
1587     }
1588
1589     private RecipientId refreshRegisteredUser(RecipientId recipientId) throws IOException {
1590         final var address = resolveSignalServiceAddress(recipientId);
1591         if (!address.getNumber().isPresent()) {
1592             return recipientId;
1593         }
1594         final var number = address.getNumber().get();
1595         final var uuidMap = getRegisteredUsers(Set.of(number));
1596         return resolveRecipientTrusted(new SignalServiceAddress(uuidMap.getOrDefault(number, null), number));
1597     }
1598
1599     private Map<String, UUID> getRegisteredUsers(final Set<String> numbers) throws IOException {
1600         try {
1601             return accountManager.getRegisteredUsers(ServiceConfig.getIasKeyStore(),
1602                     numbers,
1603                     serviceEnvironmentConfig.getCdsMrenclave());
1604         } catch (Quote.InvalidQuoteFormatException | UnauthenticatedQuoteException | SignatureException | UnauthenticatedResponseException | InvalidKeyException e) {
1605             throw new IOException(e);
1606         }
1607     }
1608
1609     public void sendTypingMessage(
1610             TypingAction action, Set<String> recipients
1611     ) throws IOException, UntrustedIdentityException, InvalidNumberException {
1612         sendTypingMessageInternal(action, getSignalServiceAddresses(recipients));
1613     }
1614
1615     private void sendTypingMessageInternal(
1616             TypingAction action, Set<RecipientId> recipientIds
1617     ) throws IOException, UntrustedIdentityException {
1618         final var timestamp = System.currentTimeMillis();
1619         var message = new SignalServiceTypingMessage(action.toSignalService(), timestamp, Optional.absent());
1620         var messageSender = createMessageSender();
1621         for (var recipientId : recipientIds) {
1622             final var address = resolveSignalServiceAddress(recipientId);
1623             messageSender.sendTyping(address, unidentifiedAccessHelper.getAccessFor(recipientId), message);
1624         }
1625     }
1626
1627     public void sendGroupTypingMessage(
1628             TypingAction action, GroupId groupId
1629     ) throws IOException, NotAGroupMemberException, GroupNotFoundException {
1630         final var timestamp = System.currentTimeMillis();
1631         final var g = getGroupForSending(groupId);
1632         final var message = new SignalServiceTypingMessage(action.toSignalService(),
1633                 timestamp,
1634                 Optional.of(groupId.serialize()));
1635         final var messageSender = createMessageSender();
1636         final var recipientIdList = new ArrayList<>(g.getMembersWithout(account.getSelfRecipientId()));
1637         final var addresses = recipientIdList.stream()
1638                 .map(this::resolveSignalServiceAddress)
1639                 .collect(Collectors.toList());
1640         messageSender.sendTyping(addresses, unidentifiedAccessHelper.getAccessFor(recipientIdList), message, null);
1641     }
1642
1643     private Pair<Long, List<SendMessageResult>> sendMessage(
1644             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientId> recipientIds
1645     ) throws IOException {
1646         final var timestamp = System.currentTimeMillis();
1647         messageBuilder.withTimestamp(timestamp);
1648         getOrCreateMessagePipe();
1649         getOrCreateUnidentifiedMessagePipe();
1650         SignalServiceDataMessage message = null;
1651         try {
1652             message = messageBuilder.build();
1653             if (message.getGroupContext().isPresent()) {
1654                 try {
1655                     var messageSender = createMessageSender();
1656                     final var isRecipientUpdate = false;
1657                     final var recipientIdList = new ArrayList<>(recipientIds);
1658                     final var addresses = recipientIdList.stream()
1659                             .map(this::resolveSignalServiceAddress)
1660                             .collect(Collectors.toList());
1661                     var result = messageSender.sendDataMessage(addresses,
1662                             unidentifiedAccessHelper.getAccessFor(recipientIdList),
1663                             isRecipientUpdate,
1664                             ContentHint.DEFAULT,
1665                             message);
1666
1667                     for (var r : result) {
1668                         if (r.getIdentityFailure() != null) {
1669                             final var recipientId = resolveRecipient(r.getAddress());
1670                             final var newIdentity = account.getIdentityKeyStore()
1671                                     .saveIdentity(recipientId, r.getIdentityFailure().getIdentityKey(), new Date());
1672                             if (newIdentity) {
1673                                 account.getSessionStore().archiveSessions(recipientId);
1674                             }
1675                         }
1676                     }
1677
1678                     return new Pair<>(timestamp, result);
1679                 } catch (UntrustedIdentityException e) {
1680                     return new Pair<>(timestamp, List.of());
1681                 }
1682             } else {
1683                 // Send to all individually, so sync messages are sent correctly
1684                 messageBuilder.withProfileKey(account.getProfileKey().serialize());
1685                 var results = new ArrayList<SendMessageResult>(recipientIds.size());
1686                 for (var recipientId : recipientIds) {
1687                     final var contact = account.getContactStore().getContact(recipientId);
1688                     final var expirationTime = contact != null ? contact.getMessageExpirationTime() : 0;
1689                     messageBuilder.withExpiration(expirationTime);
1690                     message = messageBuilder.build();
1691                     results.add(sendMessage(recipientId, message));
1692                 }
1693                 return new Pair<>(timestamp, results);
1694             }
1695         } finally {
1696             if (message != null && message.isEndSession()) {
1697                 for (var recipient : recipientIds) {
1698                     handleEndSession(recipient);
1699                 }
1700             }
1701         }
1702     }
1703
1704     private Pair<Long, SendMessageResult> sendSelfMessage(
1705             SignalServiceDataMessage.Builder messageBuilder
1706     ) throws IOException {
1707         final var timestamp = System.currentTimeMillis();
1708         messageBuilder.withTimestamp(timestamp);
1709         getOrCreateMessagePipe();
1710         getOrCreateUnidentifiedMessagePipe();
1711         final var recipientId = account.getSelfRecipientId();
1712
1713         final var contact = account.getContactStore().getContact(recipientId);
1714         final var expirationTime = contact != null ? contact.getMessageExpirationTime() : 0;
1715         messageBuilder.withExpiration(expirationTime);
1716
1717         var message = messageBuilder.build();
1718         final var result = sendSelfMessage(message);
1719         return new Pair<>(timestamp, result);
1720     }
1721
1722     private SendMessageResult sendSelfMessage(SignalServiceDataMessage message) throws IOException {
1723         var messageSender = createMessageSender();
1724
1725         var recipientId = account.getSelfRecipientId();
1726
1727         final var unidentifiedAccess = unidentifiedAccessHelper.getAccessFor(recipientId);
1728         var recipient = resolveSignalServiceAddress(recipientId);
1729         var transcript = new SentTranscriptMessage(Optional.of(recipient),
1730                 message.getTimestamp(),
1731                 message,
1732                 message.getExpiresInSeconds(),
1733                 Map.of(recipient, unidentifiedAccess.isPresent()),
1734                 false);
1735         var syncMessage = SignalServiceSyncMessage.forSentTranscript(transcript);
1736
1737         try {
1738             var startTime = System.currentTimeMillis();
1739             messageSender.sendSyncMessage(syncMessage, unidentifiedAccess);
1740             return SendMessageResult.success(recipient,
1741                     unidentifiedAccess.isPresent(),
1742                     false,
1743                     System.currentTimeMillis() - startTime);
1744         } catch (UntrustedIdentityException e) {
1745             return SendMessageResult.identityFailure(recipient, e.getIdentityKey());
1746         }
1747     }
1748
1749     private SendMessageResult sendMessage(
1750             RecipientId recipientId, SignalServiceDataMessage message
1751     ) throws IOException {
1752         var messageSender = createMessageSender();
1753
1754         final var address = resolveSignalServiceAddress(recipientId);
1755         try {
1756             try {
1757                 return messageSender.sendDataMessage(address,
1758                         unidentifiedAccessHelper.getAccessFor(recipientId),
1759                         ContentHint.DEFAULT,
1760                         message);
1761             } catch (UnregisteredUserException e) {
1762                 final var newRecipientId = refreshRegisteredUser(recipientId);
1763                 return messageSender.sendDataMessage(resolveSignalServiceAddress(newRecipientId),
1764                         unidentifiedAccessHelper.getAccessFor(newRecipientId),
1765                         ContentHint.DEFAULT,
1766                         message);
1767             }
1768         } catch (UntrustedIdentityException e) {
1769             return SendMessageResult.identityFailure(address, e.getIdentityKey());
1770         }
1771     }
1772
1773     private SendMessageResult sendNullMessage(RecipientId recipientId) throws IOException {
1774         var messageSender = createMessageSender();
1775
1776         final var address = resolveSignalServiceAddress(recipientId);
1777         try {
1778             try {
1779                 return messageSender.sendNullMessage(address, unidentifiedAccessHelper.getAccessFor(recipientId));
1780             } catch (UnregisteredUserException e) {
1781                 final var newRecipientId = refreshRegisteredUser(recipientId);
1782                 final var newAddress = resolveSignalServiceAddress(newRecipientId);
1783                 return messageSender.sendNullMessage(newAddress, unidentifiedAccessHelper.getAccessFor(newRecipientId));
1784             }
1785         } catch (UntrustedIdentityException e) {
1786             return SendMessageResult.identityFailure(address, e.getIdentityKey());
1787         }
1788     }
1789
1790     private SignalServiceContent decryptMessage(SignalServiceEnvelope envelope) throws InvalidMetadataMessageException, ProtocolInvalidMessageException, ProtocolDuplicateMessageException, ProtocolLegacyMessageException, ProtocolInvalidKeyIdException, InvalidMetadataVersionException, ProtocolInvalidVersionException, ProtocolNoSessionException, ProtocolInvalidKeyException, SelfSendException, UnsupportedDataMessageException, ProtocolUntrustedIdentityException {
1791         var cipher = new SignalServiceCipher(account.getSelfAddress(),
1792                 account.getSignalProtocolStore(),
1793                 sessionLock,
1794                 certificateValidator);
1795         return cipher.decrypt(envelope);
1796     }
1797
1798     private void handleEndSession(RecipientId recipientId) {
1799         account.getSessionStore().deleteAllSessions(recipientId);
1800     }
1801
1802     private List<HandleAction> handleSignalServiceDataMessage(
1803             SignalServiceDataMessage message,
1804             boolean isSync,
1805             SignalServiceAddress source,
1806             SignalServiceAddress destination,
1807             boolean ignoreAttachments
1808     ) {
1809         var actions = new ArrayList<HandleAction>();
1810         if (message.getGroupContext().isPresent()) {
1811             if (message.getGroupContext().get().getGroupV1().isPresent()) {
1812                 var groupInfo = message.getGroupContext().get().getGroupV1().get();
1813                 var groupId = GroupId.v1(groupInfo.getGroupId());
1814                 var group = getGroup(groupId);
1815                 if (group == null || group instanceof GroupInfoV1) {
1816                     var groupV1 = (GroupInfoV1) group;
1817                     switch (groupInfo.getType()) {
1818                         case UPDATE: {
1819                             if (groupV1 == null) {
1820                                 groupV1 = new GroupInfoV1(groupId);
1821                             }
1822
1823                             if (groupInfo.getAvatar().isPresent()) {
1824                                 var avatar = groupInfo.getAvatar().get();
1825                                 downloadGroupAvatar(avatar, groupV1.getGroupId());
1826                             }
1827
1828                             if (groupInfo.getName().isPresent()) {
1829                                 groupV1.name = groupInfo.getName().get();
1830                             }
1831
1832                             if (groupInfo.getMembers().isPresent()) {
1833                                 groupV1.addMembers(groupInfo.getMembers()
1834                                         .get()
1835                                         .stream()
1836                                         .map(this::resolveRecipient)
1837                                         .collect(Collectors.toSet()));
1838                             }
1839
1840                             account.getGroupStore().updateGroup(groupV1);
1841                             break;
1842                         }
1843                         case DELIVER:
1844                             if (groupV1 == null && !isSync) {
1845                                 actions.add(new SendGroupInfoRequestAction(source, groupId));
1846                             }
1847                             break;
1848                         case QUIT: {
1849                             if (groupV1 != null) {
1850                                 groupV1.removeMember(resolveRecipient(source));
1851                                 account.getGroupStore().updateGroup(groupV1);
1852                             }
1853                             break;
1854                         }
1855                         case REQUEST_INFO:
1856                             if (groupV1 != null && !isSync) {
1857                                 actions.add(new SendGroupInfoAction(source, groupV1.getGroupId()));
1858                             }
1859                             break;
1860                     }
1861                 } else {
1862                     // Received a group v1 message for a v2 group
1863                 }
1864             }
1865             if (message.getGroupContext().get().getGroupV2().isPresent()) {
1866                 final var groupContext = message.getGroupContext().get().getGroupV2().get();
1867                 final var groupMasterKey = groupContext.getMasterKey();
1868
1869                 getOrMigrateGroup(groupMasterKey,
1870                         groupContext.getRevision(),
1871                         groupContext.hasSignedGroupChange() ? groupContext.getSignedGroupChange() : null);
1872             }
1873         }
1874
1875         final var conversationPartnerAddress = isSync ? destination : source;
1876         if (conversationPartnerAddress != null && message.isEndSession()) {
1877             handleEndSession(resolveRecipient(conversationPartnerAddress));
1878         }
1879         if (message.isExpirationUpdate() || message.getBody().isPresent()) {
1880             if (message.getGroupContext().isPresent()) {
1881                 if (message.getGroupContext().get().getGroupV1().isPresent()) {
1882                     var groupInfo = message.getGroupContext().get().getGroupV1().get();
1883                     var group = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(groupInfo.getGroupId()));
1884                     if (group != null) {
1885                         if (group.messageExpirationTime != message.getExpiresInSeconds()) {
1886                             group.messageExpirationTime = message.getExpiresInSeconds();
1887                             account.getGroupStore().updateGroup(group);
1888                         }
1889                     }
1890                 } else if (message.getGroupContext().get().getGroupV2().isPresent()) {
1891                     // disappearing message timer already stored in the DecryptedGroup
1892                 }
1893             } else if (conversationPartnerAddress != null) {
1894                 setExpirationTimer(resolveRecipient(conversationPartnerAddress), message.getExpiresInSeconds());
1895             }
1896         }
1897         if (!ignoreAttachments) {
1898             if (message.getAttachments().isPresent()) {
1899                 for (var attachment : message.getAttachments().get()) {
1900                     downloadAttachment(attachment);
1901                 }
1902             }
1903             if (message.getSharedContacts().isPresent()) {
1904                 for (var contact : message.getSharedContacts().get()) {
1905                     if (contact.getAvatar().isPresent()) {
1906                         downloadAttachment(contact.getAvatar().get().getAttachment());
1907                     }
1908                 }
1909             }
1910         }
1911         if (message.getProfileKey().isPresent() && message.getProfileKey().get().length == 32) {
1912             final ProfileKey profileKey;
1913             try {
1914                 profileKey = new ProfileKey(message.getProfileKey().get());
1915             } catch (InvalidInputException e) {
1916                 throw new AssertionError(e);
1917             }
1918             if (source.matches(account.getSelfAddress())) {
1919                 this.account.setProfileKey(profileKey);
1920             }
1921             this.account.getProfileStore().storeProfileKey(resolveRecipient(source), profileKey);
1922         }
1923         if (message.getPreviews().isPresent()) {
1924             final var previews = message.getPreviews().get();
1925             for (var preview : previews) {
1926                 if (preview.getImage().isPresent()) {
1927                     downloadAttachment(preview.getImage().get());
1928                 }
1929             }
1930         }
1931         if (message.getQuote().isPresent()) {
1932             final var quote = message.getQuote().get();
1933
1934             for (var quotedAttachment : quote.getAttachments()) {
1935                 final var thumbnail = quotedAttachment.getThumbnail();
1936                 if (thumbnail != null) {
1937                     downloadAttachment(thumbnail);
1938                 }
1939             }
1940         }
1941         if (message.getSticker().isPresent()) {
1942             final var messageSticker = message.getSticker().get();
1943             final var stickerPackId = StickerPackId.deserialize(messageSticker.getPackId());
1944             var sticker = account.getStickerStore().getSticker(stickerPackId);
1945             if (sticker == null) {
1946                 sticker = new Sticker(stickerPackId, messageSticker.getPackKey());
1947                 account.getStickerStore().updateSticker(sticker);
1948             }
1949             enqueueJob(new RetrieveStickerPackJob(stickerPackId, messageSticker.getPackKey()));
1950         }
1951         return actions;
1952     }
1953
1954     private GroupInfoV2 getOrMigrateGroup(
1955             final GroupMasterKey groupMasterKey, final int revision, final byte[] signedGroupChange
1956     ) {
1957         final var groupSecretParams = GroupSecretParams.deriveFromMasterKey(groupMasterKey);
1958
1959         var groupId = GroupUtils.getGroupIdV2(groupSecretParams);
1960         var groupInfo = getGroup(groupId);
1961         final GroupInfoV2 groupInfoV2;
1962         if (groupInfo instanceof GroupInfoV1) {
1963             // Received a v2 group message for a v1 group, we need to locally migrate the group
1964             account.getGroupStore().deleteGroupV1(((GroupInfoV1) groupInfo).getGroupId());
1965             groupInfoV2 = new GroupInfoV2(groupId, groupMasterKey);
1966             logger.info("Locally migrated group {} to group v2, id: {}",
1967                     groupInfo.getGroupId().toBase64(),
1968                     groupInfoV2.getGroupId().toBase64());
1969         } else if (groupInfo instanceof GroupInfoV2) {
1970             groupInfoV2 = (GroupInfoV2) groupInfo;
1971         } else {
1972             groupInfoV2 = new GroupInfoV2(groupId, groupMasterKey);
1973         }
1974
1975         if (groupInfoV2.getGroup() == null || groupInfoV2.getGroup().getRevision() < revision) {
1976             DecryptedGroup group = null;
1977             if (signedGroupChange != null
1978                     && groupInfoV2.getGroup() != null
1979                     && groupInfoV2.getGroup().getRevision() + 1 == revision) {
1980                 group = groupV2Helper.getUpdatedDecryptedGroup(groupInfoV2.getGroup(),
1981                         signedGroupChange,
1982                         groupMasterKey);
1983             }
1984             if (group == null) {
1985                 group = groupV2Helper.getDecryptedGroup(groupSecretParams);
1986             }
1987             if (group != null) {
1988                 storeProfileKeysFromMembers(group);
1989                 final var avatar = group.getAvatar();
1990                 if (avatar != null && !avatar.isEmpty()) {
1991                     downloadGroupAvatar(groupId, groupSecretParams, avatar);
1992                 }
1993             }
1994             groupInfoV2.setGroup(group, this::resolveRecipient);
1995             account.getGroupStore().updateGroup(groupInfoV2);
1996         }
1997
1998         return groupInfoV2;
1999     }
2000
2001     private void storeProfileKeysFromMembers(final DecryptedGroup group) {
2002         for (var member : group.getMembersList()) {
2003             final var uuid = UuidUtil.parseOrThrow(member.getUuid().toByteArray());
2004             final var recipientId = account.getRecipientStore().resolveRecipient(uuid);
2005             try {
2006                 account.getProfileStore()
2007                         .storeProfileKey(recipientId, new ProfileKey(member.getProfileKey().toByteArray()));
2008             } catch (InvalidInputException ignored) {
2009             }
2010         }
2011     }
2012
2013     private void retryFailedReceivedMessages(ReceiveMessageHandler handler, boolean ignoreAttachments) {
2014         Set<HandleAction> queuedActions = new HashSet<>();
2015         for (var cachedMessage : account.getMessageCache().getCachedMessages()) {
2016             var actions = retryFailedReceivedMessage(handler, ignoreAttachments, cachedMessage);
2017             if (actions != null) {
2018                 queuedActions.addAll(actions);
2019             }
2020         }
2021         for (var action : queuedActions) {
2022             try {
2023                 action.execute(this);
2024             } catch (Throwable e) {
2025                 logger.warn("Message action failed.", e);
2026             }
2027         }
2028     }
2029
2030     private List<HandleAction> retryFailedReceivedMessage(
2031             final ReceiveMessageHandler handler, final boolean ignoreAttachments, final CachedMessage cachedMessage
2032     ) {
2033         var envelope = cachedMessage.loadEnvelope();
2034         if (envelope == null) {
2035             return null;
2036         }
2037         SignalServiceContent content = null;
2038         List<HandleAction> actions = null;
2039         if (!envelope.isReceipt()) {
2040             try {
2041                 content = decryptMessage(envelope);
2042             } catch (ProtocolUntrustedIdentityException e) {
2043                 if (!envelope.hasSource()) {
2044                     final var identifier = e.getSender();
2045                     final var recipientId = resolveRecipient(identifier);
2046                     try {
2047                         account.getMessageCache().replaceSender(cachedMessage, recipientId);
2048                     } catch (IOException ioException) {
2049                         logger.warn("Failed to move cached message to recipient folder: {}", ioException.getMessage());
2050                     }
2051                 }
2052                 return null;
2053             } catch (Exception er) {
2054                 // All other errors are not recoverable, so delete the cached message
2055                 cachedMessage.delete();
2056                 return null;
2057             }
2058             actions = handleMessage(envelope, content, ignoreAttachments);
2059         }
2060         handler.handleMessage(envelope, content, null);
2061         cachedMessage.delete();
2062         return actions;
2063     }
2064
2065     public void receiveMessages(
2066             long timeout,
2067             TimeUnit unit,
2068             boolean returnOnTimeout,
2069             boolean ignoreAttachments,
2070             ReceiveMessageHandler handler
2071     ) throws IOException {
2072         retryFailedReceivedMessages(handler, ignoreAttachments);
2073
2074         Set<HandleAction> queuedActions = null;
2075
2076         final var messagePipe = getOrCreateMessagePipe();
2077
2078         var hasCaughtUpWithOldMessages = false;
2079
2080         while (true) {
2081             SignalServiceEnvelope envelope;
2082             SignalServiceContent content = null;
2083             Exception exception = null;
2084             final CachedMessage[] cachedMessage = {null};
2085             account.setLastReceiveTimestamp(System.currentTimeMillis());
2086             logger.debug("Checking for new message from server");
2087             try {
2088                 var result = messagePipe.readOrEmpty(timeout, unit, envelope1 -> {
2089                     final var recipientId = envelope1.hasSource()
2090                             ? resolveRecipient(envelope1.getSourceIdentifier())
2091                             : null;
2092                     // store message on disk, before acknowledging receipt to the server
2093                     cachedMessage[0] = account.getMessageCache().cacheMessage(envelope1, recipientId);
2094                 });
2095                 logger.debug("New message received from server");
2096                 if (result.isPresent()) {
2097                     envelope = result.get();
2098                 } else {
2099                     // Received indicator that server queue is empty
2100                     hasCaughtUpWithOldMessages = true;
2101
2102                     if (queuedActions != null) {
2103                         for (var action : queuedActions) {
2104                             try {
2105                                 action.execute(this);
2106                             } catch (Throwable e) {
2107                                 logger.warn("Message action failed.", e);
2108                             }
2109                         }
2110                         queuedActions.clear();
2111                         queuedActions = null;
2112                     }
2113
2114                     // Continue to wait another timeout for new messages
2115                     continue;
2116                 }
2117             } catch (TimeoutException e) {
2118                 if (returnOnTimeout) return;
2119                 continue;
2120             }
2121
2122             if (envelope.hasSource()) {
2123                 // Store uuid if we don't have it already
2124                 // address/uuid in envelope is sent by server
2125                 resolveRecipientTrusted(envelope.getSourceAddress());
2126             }
2127             final var notAGroupMember = isNotAGroupMember(envelope, content);
2128             if (!envelope.isReceipt()) {
2129                 try {
2130                     content = decryptMessage(envelope);
2131                 } catch (Exception e) {
2132                     exception = e;
2133                 }
2134                 if (!envelope.hasSource() && content != null) {
2135                     // Store uuid if we don't have it already
2136                     // address/uuid is validated by unidentified sender certificate
2137                     resolveRecipientTrusted(content.getSender());
2138                 }
2139                 var actions = handleMessage(envelope, content, ignoreAttachments);
2140                 if (exception instanceof ProtocolInvalidMessageException) {
2141                     final var sender = resolveRecipient(((ProtocolInvalidMessageException) exception).getSender());
2142                     logger.debug("Received invalid message, queuing renew session action.");
2143                     actions.add(new RenewSessionAction(sender));
2144                 }
2145                 if (hasCaughtUpWithOldMessages) {
2146                     for (var action : actions) {
2147                         try {
2148                             action.execute(this);
2149                         } catch (Throwable e) {
2150                             logger.warn("Message action failed.", e);
2151                         }
2152                     }
2153                 } else {
2154                     if (queuedActions == null) {
2155                         queuedActions = new HashSet<>();
2156                     }
2157                     queuedActions.addAll(actions);
2158                 }
2159             }
2160             if (isMessageBlocked(envelope, content)) {
2161                 logger.info("Ignoring a message from blocked user/group: {}", envelope.getTimestamp());
2162             } else if (notAGroupMember) {
2163                 logger.info("Ignoring a message from a non group member: {}", envelope.getTimestamp());
2164             } else {
2165                 handler.handleMessage(envelope, content, exception);
2166             }
2167             if (cachedMessage[0] != null) {
2168                 if (exception instanceof ProtocolUntrustedIdentityException) {
2169                     final var identifier = ((ProtocolUntrustedIdentityException) exception).getSender();
2170                     final var recipientId = resolveRecipient(identifier);
2171                     queuedActions.add(new RetrieveProfileAction(recipientId));
2172                     if (!envelope.hasSource()) {
2173                         try {
2174                             cachedMessage[0] = account.getMessageCache().replaceSender(cachedMessage[0], recipientId);
2175                         } catch (IOException ioException) {
2176                             logger.warn("Failed to move cached message to recipient folder: {}",
2177                                     ioException.getMessage());
2178                         }
2179                     }
2180                 } else {
2181                     cachedMessage[0].delete();
2182                 }
2183             }
2184         }
2185     }
2186
2187     private boolean isMessageBlocked(
2188             SignalServiceEnvelope envelope, SignalServiceContent content
2189     ) {
2190         SignalServiceAddress source;
2191         if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2192             source = envelope.getSourceAddress();
2193         } else if (content != null) {
2194             source = content.getSender();
2195         } else {
2196             return false;
2197         }
2198         final var recipientId = resolveRecipient(source);
2199         if (isContactBlocked(recipientId)) {
2200             return true;
2201         }
2202
2203         if (content != null && content.getDataMessage().isPresent()) {
2204             var message = content.getDataMessage().get();
2205             if (message.getGroupContext().isPresent()) {
2206                 var groupId = GroupUtils.getGroupId(message.getGroupContext().get());
2207                 var group = getGroup(groupId);
2208                 if (group != null && group.isBlocked()) {
2209                     return true;
2210                 }
2211             }
2212         }
2213         return false;
2214     }
2215
2216     public boolean isContactBlocked(final String identifier) throws InvalidNumberException {
2217         final var recipientId = canonicalizeAndResolveRecipient(identifier);
2218         return isContactBlocked(recipientId);
2219     }
2220
2221     private boolean isContactBlocked(final RecipientId recipientId) {
2222         var sourceContact = account.getContactStore().getContact(recipientId);
2223         return sourceContact != null && sourceContact.isBlocked();
2224     }
2225
2226     private boolean isNotAGroupMember(
2227             SignalServiceEnvelope envelope, SignalServiceContent content
2228     ) {
2229         SignalServiceAddress source;
2230         if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2231             source = envelope.getSourceAddress();
2232         } else if (content != null) {
2233             source = content.getSender();
2234         } else {
2235             return false;
2236         }
2237
2238         if (content != null && content.getDataMessage().isPresent()) {
2239             var message = content.getDataMessage().get();
2240             if (message.getGroupContext().isPresent()) {
2241                 if (message.getGroupContext().get().getGroupV1().isPresent()) {
2242                     var groupInfo = message.getGroupContext().get().getGroupV1().get();
2243                     if (groupInfo.getType() == SignalServiceGroup.Type.QUIT) {
2244                         return false;
2245                     }
2246                 }
2247                 var groupId = GroupUtils.getGroupId(message.getGroupContext().get());
2248                 var group = getGroup(groupId);
2249                 if (group != null && !group.isMember(resolveRecipient(source))) {
2250                     return true;
2251                 }
2252             }
2253         }
2254         return false;
2255     }
2256
2257     private List<HandleAction> handleMessage(
2258             SignalServiceEnvelope envelope, SignalServiceContent content, boolean ignoreAttachments
2259     ) {
2260         var actions = new ArrayList<HandleAction>();
2261         if (content != null) {
2262             final SignalServiceAddress sender;
2263             if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
2264                 sender = envelope.getSourceAddress();
2265             } else {
2266                 sender = content.getSender();
2267             }
2268
2269             if (content.getDataMessage().isPresent()) {
2270                 var message = content.getDataMessage().get();
2271
2272                 if (content.isNeedsReceipt()) {
2273                     actions.add(new SendReceiptAction(sender, message.getTimestamp()));
2274                 }
2275
2276                 actions.addAll(handleSignalServiceDataMessage(message,
2277                         false,
2278                         sender,
2279                         account.getSelfAddress(),
2280                         ignoreAttachments));
2281             }
2282             if (content.getSyncMessage().isPresent()) {
2283                 account.setMultiDevice(true);
2284                 var syncMessage = content.getSyncMessage().get();
2285                 if (syncMessage.getSent().isPresent()) {
2286                     var message = syncMessage.getSent().get();
2287                     final var destination = message.getDestination().orNull();
2288                     actions.addAll(handleSignalServiceDataMessage(message.getMessage(),
2289                             true,
2290                             sender,
2291                             destination,
2292                             ignoreAttachments));
2293                 }
2294                 if (syncMessage.getRequest().isPresent() && account.isMasterDevice()) {
2295                     var rm = syncMessage.getRequest().get();
2296                     if (rm.isContactsRequest()) {
2297                         actions.add(SendSyncContactsAction.create());
2298                     }
2299                     if (rm.isGroupsRequest()) {
2300                         actions.add(SendSyncGroupsAction.create());
2301                     }
2302                     if (rm.isBlockedListRequest()) {
2303                         actions.add(SendSyncBlockedListAction.create());
2304                     }
2305                     // TODO Handle rm.isConfigurationRequest(); rm.isKeysRequest();
2306                 }
2307                 if (syncMessage.getGroups().isPresent()) {
2308                     File tmpFile = null;
2309                     try {
2310                         tmpFile = IOUtils.createTempFile();
2311                         final var groupsMessage = syncMessage.getGroups().get();
2312                         try (var attachmentAsStream = retrieveAttachmentAsStream(groupsMessage.asPointer(), tmpFile)) {
2313                             var s = new DeviceGroupsInputStream(attachmentAsStream);
2314                             DeviceGroup g;
2315                             while (true) {
2316                                 try {
2317                                     g = s.read();
2318                                 } catch (IOException e) {
2319                                     logger.warn("Sync groups contained invalid group, ignoring: {}", e.getMessage());
2320                                     continue;
2321                                 }
2322                                 if (g == null) {
2323                                     break;
2324                                 }
2325                                 var syncGroup = account.getGroupStore().getOrCreateGroupV1(GroupId.v1(g.getId()));
2326                                 if (syncGroup != null) {
2327                                     if (g.getName().isPresent()) {
2328                                         syncGroup.name = g.getName().get();
2329                                     }
2330                                     syncGroup.addMembers(g.getMembers()
2331                                             .stream()
2332                                             .map(this::resolveRecipient)
2333                                             .collect(Collectors.toSet()));
2334                                     if (!g.isActive()) {
2335                                         syncGroup.removeMember(account.getSelfRecipientId());
2336                                     } else {
2337                                         // Add ourself to the member set as it's marked as active
2338                                         syncGroup.addMembers(List.of(account.getSelfRecipientId()));
2339                                     }
2340                                     syncGroup.blocked = g.isBlocked();
2341                                     if (g.getColor().isPresent()) {
2342                                         syncGroup.color = g.getColor().get();
2343                                     }
2344
2345                                     if (g.getAvatar().isPresent()) {
2346                                         downloadGroupAvatar(g.getAvatar().get(), syncGroup.getGroupId());
2347                                     }
2348                                     syncGroup.archived = g.isArchived();
2349                                     account.getGroupStore().updateGroup(syncGroup);
2350                                 }
2351                             }
2352                         }
2353                     } catch (Exception e) {
2354                         logger.warn("Failed to handle received sync groups “{}”, ignoring: {}",
2355                                 tmpFile,
2356                                 e.getMessage());
2357                     } finally {
2358                         if (tmpFile != null) {
2359                             try {
2360                                 Files.delete(tmpFile.toPath());
2361                             } catch (IOException e) {
2362                                 logger.warn("Failed to delete received groups temp file “{}”, ignoring: {}",
2363                                         tmpFile,
2364                                         e.getMessage());
2365                             }
2366                         }
2367                     }
2368                 }
2369                 if (syncMessage.getBlockedList().isPresent()) {
2370                     final var blockedListMessage = syncMessage.getBlockedList().get();
2371                     for (var address : blockedListMessage.getAddresses()) {
2372                         setContactBlocked(resolveRecipient(address), true);
2373                     }
2374                     for (var groupId : blockedListMessage.getGroupIds()
2375                             .stream()
2376                             .map(GroupId::unknownVersion)
2377                             .collect(Collectors.toSet())) {
2378                         try {
2379                             setGroupBlocked(groupId, true);
2380                         } catch (GroupNotFoundException e) {
2381                             logger.warn("BlockedListMessage contained groupID that was not found in GroupStore: {}",
2382                                     groupId.toBase64());
2383                         }
2384                     }
2385                 }
2386                 if (syncMessage.getContacts().isPresent()) {
2387                     File tmpFile = null;
2388                     try {
2389                         tmpFile = IOUtils.createTempFile();
2390                         final var contactsMessage = syncMessage.getContacts().get();
2391                         try (var attachmentAsStream = retrieveAttachmentAsStream(contactsMessage.getContactsStream()
2392                                 .asPointer(), tmpFile)) {
2393                             var s = new DeviceContactsInputStream(attachmentAsStream);
2394                             DeviceContact c;
2395                             while (true) {
2396                                 try {
2397                                     c = s.read();
2398                                 } catch (IOException e) {
2399                                     logger.warn("Sync contacts contained invalid contact, ignoring: {}",
2400                                             e.getMessage());
2401                                     continue;
2402                                 }
2403                                 if (c == null) {
2404                                     break;
2405                                 }
2406                                 if (c.getAddress().matches(account.getSelfAddress()) && c.getProfileKey().isPresent()) {
2407                                     account.setProfileKey(c.getProfileKey().get());
2408                                 }
2409                                 final var recipientId = resolveRecipientTrusted(c.getAddress());
2410                                 var contact = account.getContactStore().getContact(recipientId);
2411                                 final var builder = contact == null
2412                                         ? Contact.newBuilder()
2413                                         : Contact.newBuilder(contact);
2414                                 if (c.getName().isPresent()) {
2415                                     builder.withName(c.getName().get());
2416                                 }
2417                                 if (c.getColor().isPresent()) {
2418                                     builder.withColor(c.getColor().get());
2419                                 }
2420                                 if (c.getProfileKey().isPresent()) {
2421                                     account.getProfileStore().storeProfileKey(recipientId, c.getProfileKey().get());
2422                                 }
2423                                 if (c.getVerified().isPresent()) {
2424                                     final var verifiedMessage = c.getVerified().get();
2425                                     account.getIdentityKeyStore()
2426                                             .setIdentityTrustLevel(resolveRecipientTrusted(verifiedMessage.getDestination()),
2427                                                     verifiedMessage.getIdentityKey(),
2428                                                     TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
2429                                 }
2430                                 if (c.getExpirationTimer().isPresent()) {
2431                                     builder.withMessageExpirationTime(c.getExpirationTimer().get());
2432                                 }
2433                                 builder.withBlocked(c.isBlocked());
2434                                 builder.withArchived(c.isArchived());
2435                                 account.getContactStore().storeContact(recipientId, builder.build());
2436
2437                                 if (c.getAvatar().isPresent()) {
2438                                     downloadContactAvatar(c.getAvatar().get(), c.getAddress());
2439                                 }
2440                             }
2441                         }
2442                     } catch (Exception e) {
2443                         logger.warn("Failed to handle received sync contacts “{}”, ignoring: {}",
2444                                 tmpFile,
2445                                 e.getMessage());
2446                     } finally {
2447                         if (tmpFile != null) {
2448                             try {
2449                                 Files.delete(tmpFile.toPath());
2450                             } catch (IOException e) {
2451                                 logger.warn("Failed to delete received contacts temp file “{}”, ignoring: {}",
2452                                         tmpFile,
2453                                         e.getMessage());
2454                             }
2455                         }
2456                     }
2457                 }
2458                 if (syncMessage.getVerified().isPresent()) {
2459                     final var verifiedMessage = syncMessage.getVerified().get();
2460                     account.getIdentityKeyStore()
2461                             .setIdentityTrustLevel(resolveRecipientTrusted(verifiedMessage.getDestination()),
2462                                     verifiedMessage.getIdentityKey(),
2463                                     TrustLevel.fromVerifiedState(verifiedMessage.getVerified()));
2464                 }
2465                 if (syncMessage.getStickerPackOperations().isPresent()) {
2466                     final var stickerPackOperationMessages = syncMessage.getStickerPackOperations().get();
2467                     for (var m : stickerPackOperationMessages) {
2468                         if (!m.getPackId().isPresent()) {
2469                             continue;
2470                         }
2471                         final var stickerPackId = StickerPackId.deserialize(m.getPackId().get());
2472                         final var installed = !m.getType().isPresent()
2473                                 || m.getType().get() == StickerPackOperationMessage.Type.INSTALL;
2474
2475                         var sticker = account.getStickerStore().getSticker(stickerPackId);
2476                         if (m.getPackKey().isPresent()) {
2477                             if (sticker == null) {
2478                                 sticker = new Sticker(stickerPackId, m.getPackKey().get());
2479                             }
2480                             if (installed) {
2481                                 enqueueJob(new RetrieveStickerPackJob(stickerPackId, m.getPackKey().get()));
2482                             }
2483                         }
2484
2485                         if (sticker != null) {
2486                             sticker.setInstalled(installed);
2487                             account.getStickerStore().updateSticker(sticker);
2488                         }
2489                     }
2490                 }
2491                 if (syncMessage.getFetchType().isPresent()) {
2492                     switch (syncMessage.getFetchType().get()) {
2493                         case LOCAL_PROFILE:
2494                             getRecipientProfile(account.getSelfRecipientId(), true);
2495                         case STORAGE_MANIFEST:
2496                             // TODO
2497                     }
2498                 }
2499                 if (syncMessage.getKeys().isPresent()) {
2500                     final var keysMessage = syncMessage.getKeys().get();
2501                     if (keysMessage.getStorageService().isPresent()) {
2502                         final var storageKey = keysMessage.getStorageService().get();
2503                         account.setStorageKey(storageKey);
2504                     }
2505                 }
2506                 if (syncMessage.getConfiguration().isPresent()) {
2507                     // TODO
2508                 }
2509             }
2510         }
2511         return actions;
2512     }
2513
2514     private void downloadContactAvatar(SignalServiceAttachment avatar, SignalServiceAddress address) {
2515         try {
2516             avatarStore.storeContactAvatar(address, outputStream -> retrieveAttachment(avatar, outputStream));
2517         } catch (IOException e) {
2518             logger.warn("Failed to download avatar for contact {}, ignoring: {}", address, e.getMessage());
2519         }
2520     }
2521
2522     private void downloadGroupAvatar(SignalServiceAttachment avatar, GroupId groupId) {
2523         try {
2524             avatarStore.storeGroupAvatar(groupId, outputStream -> retrieveAttachment(avatar, outputStream));
2525         } catch (IOException e) {
2526             logger.warn("Failed to download avatar for group {}, ignoring: {}", groupId.toBase64(), e.getMessage());
2527         }
2528     }
2529
2530     private void downloadGroupAvatar(GroupId groupId, GroupSecretParams groupSecretParams, String cdnKey) {
2531         try {
2532             avatarStore.storeGroupAvatar(groupId,
2533                     outputStream -> retrieveGroupV2Avatar(groupSecretParams, cdnKey, outputStream));
2534         } catch (IOException e) {
2535             logger.warn("Failed to download avatar for group {}, ignoring: {}", groupId.toBase64(), e.getMessage());
2536         }
2537     }
2538
2539     private void downloadProfileAvatar(
2540             SignalServiceAddress address, String avatarPath, ProfileKey profileKey
2541     ) {
2542         try {
2543             avatarStore.storeProfileAvatar(address,
2544                     outputStream -> retrieveProfileAvatar(avatarPath, profileKey, outputStream));
2545         } catch (Throwable e) {
2546             logger.warn("Failed to download profile avatar, ignoring: {}", e.getMessage());
2547         }
2548     }
2549
2550     public File getAttachmentFile(SignalServiceAttachmentRemoteId attachmentId) {
2551         return attachmentStore.getAttachmentFile(attachmentId);
2552     }
2553
2554     private void downloadAttachment(final SignalServiceAttachment attachment) {
2555         if (!attachment.isPointer()) {
2556             logger.warn("Invalid state, can't store an attachment stream.");
2557         }
2558
2559         var pointer = attachment.asPointer();
2560         if (pointer.getPreview().isPresent()) {
2561             final var preview = pointer.getPreview().get();
2562             try {
2563                 attachmentStore.storeAttachmentPreview(pointer.getRemoteId(),
2564                         outputStream -> outputStream.write(preview, 0, preview.length));
2565             } catch (IOException e) {
2566                 logger.warn("Failed to download attachment preview, ignoring: {}", e.getMessage());
2567             }
2568         }
2569
2570         try {
2571             attachmentStore.storeAttachment(pointer.getRemoteId(),
2572                     outputStream -> retrieveAttachmentPointer(pointer, outputStream));
2573         } catch (IOException e) {
2574             logger.warn("Failed to download attachment ({}), ignoring: {}", pointer.getRemoteId(), e.getMessage());
2575         }
2576     }
2577
2578     private void retrieveGroupV2Avatar(
2579             GroupSecretParams groupSecretParams, String cdnKey, OutputStream outputStream
2580     ) throws IOException {
2581         var groupOperations = groupsV2Operations.forGroup(groupSecretParams);
2582
2583         var tmpFile = IOUtils.createTempFile();
2584         try (InputStream input = messageReceiver.retrieveGroupsV2ProfileAvatar(cdnKey,
2585                 tmpFile,
2586                 ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE)) {
2587             var encryptedData = IOUtils.readFully(input);
2588
2589             var decryptedData = groupOperations.decryptAvatar(encryptedData);
2590             outputStream.write(decryptedData);
2591         } finally {
2592             try {
2593                 Files.delete(tmpFile.toPath());
2594             } catch (IOException e) {
2595                 logger.warn("Failed to delete received group avatar temp file “{}”, ignoring: {}",
2596                         tmpFile,
2597                         e.getMessage());
2598             }
2599         }
2600     }
2601
2602     private void retrieveProfileAvatar(
2603             String avatarPath, ProfileKey profileKey, OutputStream outputStream
2604     ) throws IOException {
2605         var tmpFile = IOUtils.createTempFile();
2606         try (var input = messageReceiver.retrieveProfileAvatar(avatarPath,
2607                 tmpFile,
2608                 profileKey,
2609                 ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE)) {
2610             // Use larger buffer size to prevent AssertionError: Need: 12272 but only have: 8192 ...
2611             IOUtils.copyStream(input, outputStream, (int) ServiceConfig.AVATAR_DOWNLOAD_FAILSAFE_MAX_SIZE);
2612         } finally {
2613             try {
2614                 Files.delete(tmpFile.toPath());
2615             } catch (IOException e) {
2616                 logger.warn("Failed to delete received profile avatar temp file “{}”, ignoring: {}",
2617                         tmpFile,
2618                         e.getMessage());
2619             }
2620         }
2621     }
2622
2623     private void retrieveAttachment(
2624             final SignalServiceAttachment attachment, final OutputStream outputStream
2625     ) throws IOException {
2626         if (attachment.isPointer()) {
2627             var pointer = attachment.asPointer();
2628             retrieveAttachmentPointer(pointer, outputStream);
2629         } else {
2630             var stream = attachment.asStream();
2631             IOUtils.copyStream(stream.getInputStream(), outputStream);
2632         }
2633     }
2634
2635     private void retrieveAttachmentPointer(
2636             SignalServiceAttachmentPointer pointer, OutputStream outputStream
2637     ) throws IOException {
2638         var tmpFile = IOUtils.createTempFile();
2639         try (var input = retrieveAttachmentAsStream(pointer, tmpFile)) {
2640             IOUtils.copyStream(input, outputStream);
2641         } catch (MissingConfigurationException | InvalidMessageException e) {
2642             throw new IOException(e);
2643         } finally {
2644             try {
2645                 Files.delete(tmpFile.toPath());
2646             } catch (IOException e) {
2647                 logger.warn("Failed to delete received attachment temp file “{}”, ignoring: {}",
2648                         tmpFile,
2649                         e.getMessage());
2650             }
2651         }
2652     }
2653
2654     private InputStream retrieveAttachmentAsStream(
2655             SignalServiceAttachmentPointer pointer, File tmpFile
2656     ) throws IOException, InvalidMessageException, MissingConfigurationException {
2657         return messageReceiver.retrieveAttachment(pointer, tmpFile, ServiceConfig.MAX_ATTACHMENT_SIZE);
2658     }
2659
2660     void sendGroups() throws IOException, UntrustedIdentityException {
2661         var groupsFile = IOUtils.createTempFile();
2662
2663         try {
2664             try (OutputStream fos = new FileOutputStream(groupsFile)) {
2665                 var out = new DeviceGroupsOutputStream(fos);
2666                 for (var record : getGroups()) {
2667                     if (record instanceof GroupInfoV1) {
2668                         var groupInfo = (GroupInfoV1) record;
2669                         out.write(new DeviceGroup(groupInfo.getGroupId().serialize(),
2670                                 Optional.fromNullable(groupInfo.name),
2671                                 groupInfo.getMembers()
2672                                         .stream()
2673                                         .map(this::resolveSignalServiceAddress)
2674                                         .collect(Collectors.toList()),
2675                                 createGroupAvatarAttachment(groupInfo.getGroupId()),
2676                                 groupInfo.isMember(account.getSelfRecipientId()),
2677                                 Optional.of(groupInfo.messageExpirationTime),
2678                                 Optional.fromNullable(groupInfo.color),
2679                                 groupInfo.blocked,
2680                                 Optional.absent(),
2681                                 groupInfo.archived));
2682                     }
2683                 }
2684             }
2685
2686             if (groupsFile.exists() && groupsFile.length() > 0) {
2687                 try (var groupsFileStream = new FileInputStream(groupsFile)) {
2688                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
2689                             .withStream(groupsFileStream)
2690                             .withContentType("application/octet-stream")
2691                             .withLength(groupsFile.length())
2692                             .build();
2693
2694                     sendSyncMessage(SignalServiceSyncMessage.forGroups(attachmentStream));
2695                 }
2696             }
2697         } finally {
2698             try {
2699                 Files.delete(groupsFile.toPath());
2700             } catch (IOException e) {
2701                 logger.warn("Failed to delete groups temp file “{}”, ignoring: {}", groupsFile, e.getMessage());
2702             }
2703         }
2704     }
2705
2706     public void sendContacts() throws IOException, UntrustedIdentityException {
2707         var contactsFile = IOUtils.createTempFile();
2708
2709         try {
2710             try (OutputStream fos = new FileOutputStream(contactsFile)) {
2711                 var out = new DeviceContactsOutputStream(fos);
2712                 for (var contactPair : account.getContactStore().getContacts()) {
2713                     final var recipientId = contactPair.first();
2714                     final var contact = contactPair.second();
2715                     final var address = resolveSignalServiceAddress(recipientId);
2716
2717                     var currentIdentity = account.getIdentityKeyStore().getIdentity(recipientId);
2718                     VerifiedMessage verifiedMessage = null;
2719                     if (currentIdentity != null) {
2720                         verifiedMessage = new VerifiedMessage(address,
2721                                 currentIdentity.getIdentityKey(),
2722                                 currentIdentity.getTrustLevel().toVerifiedState(),
2723                                 currentIdentity.getDateAdded().getTime());
2724                     }
2725
2726                     var profileKey = account.getProfileStore().getProfileKey(recipientId);
2727                     out.write(new DeviceContact(address,
2728                             Optional.fromNullable(contact.getName()),
2729                             createContactAvatarAttachment(address),
2730                             Optional.fromNullable(contact.getColor()),
2731                             Optional.fromNullable(verifiedMessage),
2732                             Optional.fromNullable(profileKey),
2733                             contact.isBlocked(),
2734                             Optional.of(contact.getMessageExpirationTime()),
2735                             Optional.absent(),
2736                             contact.isArchived()));
2737                 }
2738
2739                 if (account.getProfileKey() != null) {
2740                     // Send our own profile key as well
2741                     out.write(new DeviceContact(account.getSelfAddress(),
2742                             Optional.absent(),
2743                             Optional.absent(),
2744                             Optional.absent(),
2745                             Optional.absent(),
2746                             Optional.of(account.getProfileKey()),
2747                             false,
2748                             Optional.absent(),
2749                             Optional.absent(),
2750                             false));
2751                 }
2752             }
2753
2754             if (contactsFile.exists() && contactsFile.length() > 0) {
2755                 try (var contactsFileStream = new FileInputStream(contactsFile)) {
2756                     var attachmentStream = SignalServiceAttachment.newStreamBuilder()
2757                             .withStream(contactsFileStream)
2758                             .withContentType("application/octet-stream")
2759                             .withLength(contactsFile.length())
2760                             .build();
2761
2762                     sendSyncMessage(SignalServiceSyncMessage.forContacts(new ContactsMessage(attachmentStream, true)));
2763                 }
2764             }
2765         } finally {
2766             try {
2767                 Files.delete(contactsFile.toPath());
2768             } catch (IOException e) {
2769                 logger.warn("Failed to delete contacts temp file “{}”, ignoring: {}", contactsFile, e.getMessage());
2770             }
2771         }
2772     }
2773
2774     void sendBlockedList() throws IOException, UntrustedIdentityException {
2775         var addresses = new ArrayList<SignalServiceAddress>();
2776         for (var record : account.getContactStore().getContacts()) {
2777             if (record.second().isBlocked()) {
2778                 addresses.add(resolveSignalServiceAddress(record.first()));
2779             }
2780         }
2781         var groupIds = new ArrayList<byte[]>();
2782         for (var record : getGroups()) {
2783             if (record.isBlocked()) {
2784                 groupIds.add(record.getGroupId().serialize());
2785             }
2786         }
2787         sendSyncMessage(SignalServiceSyncMessage.forBlocked(new BlockedListMessage(addresses, groupIds)));
2788     }
2789
2790     private void sendVerifiedMessage(
2791             SignalServiceAddress destination, IdentityKey identityKey, TrustLevel trustLevel
2792     ) throws IOException, UntrustedIdentityException {
2793         var verifiedMessage = new VerifiedMessage(destination,
2794                 identityKey,
2795                 trustLevel.toVerifiedState(),
2796                 System.currentTimeMillis());
2797         sendSyncMessage(SignalServiceSyncMessage.forVerified(verifiedMessage));
2798     }
2799
2800     public List<Pair<RecipientId, Contact>> getContacts() {
2801         return account.getContactStore().getContacts();
2802     }
2803
2804     public String getContactOrProfileName(String number) throws InvalidNumberException {
2805         final var recipientId = canonicalizeAndResolveRecipient(number);
2806         final var recipient = account.getRecipientStore().getRecipient(recipientId);
2807         if (recipient == null) {
2808             return null;
2809         }
2810
2811         if (recipient.getContact() != null && !Util.isEmpty(recipient.getContact().getName())) {
2812             return recipient.getContact().getName();
2813         }
2814
2815         if (recipient.getProfile() != null && recipient.getProfile() != null) {
2816             return recipient.getProfile().getDisplayName();
2817         }
2818
2819         return null;
2820     }
2821
2822     public GroupInfo getGroup(GroupId groupId) {
2823         return getGroup(groupId, false);
2824     }
2825
2826     public GroupInfo getGroup(GroupId groupId, boolean forceUpdate) {
2827         final var group = account.getGroupStore().getGroup(groupId);
2828         if (group instanceof GroupInfoV2 && (forceUpdate || ((GroupInfoV2) group).getGroup() == null)) {
2829             final var groupSecretParams = GroupSecretParams.deriveFromMasterKey(((GroupInfoV2) group).getMasterKey());
2830             ((GroupInfoV2) group).setGroup(groupV2Helper.getDecryptedGroup(groupSecretParams), this::resolveRecipient);
2831             account.getGroupStore().updateGroup(group);
2832         }
2833         return group;
2834     }
2835
2836     public List<IdentityInfo> getIdentities() {
2837         return account.getIdentityKeyStore().getIdentities();
2838     }
2839
2840     public List<IdentityInfo> getIdentities(String number) throws InvalidNumberException {
2841         final var identity = account.getIdentityKeyStore().getIdentity(canonicalizeAndResolveRecipient(number));
2842         return identity == null ? List.of() : List.of(identity);
2843     }
2844
2845     /**
2846      * Trust this the identity with this fingerprint
2847      *
2848      * @param name        username of the identity
2849      * @param fingerprint Fingerprint
2850      */
2851     public boolean trustIdentityVerified(String name, byte[] fingerprint) throws InvalidNumberException {
2852         var recipientId = canonicalizeAndResolveRecipient(name);
2853         return trustIdentity(recipientId,
2854                 identityKey -> Arrays.equals(identityKey.serialize(), fingerprint),
2855                 TrustLevel.TRUSTED_VERIFIED);
2856     }
2857
2858     /**
2859      * Trust this the identity with this safety number
2860      *
2861      * @param name         username of the identity
2862      * @param safetyNumber Safety number
2863      */
2864     public boolean trustIdentityVerifiedSafetyNumber(String name, String safetyNumber) throws InvalidNumberException {
2865         var recipientId = canonicalizeAndResolveRecipient(name);
2866         var address = account.getRecipientStore().resolveServiceAddress(recipientId);
2867         return trustIdentity(recipientId,
2868                 identityKey -> safetyNumber.equals(computeSafetyNumber(address, identityKey)),
2869                 TrustLevel.TRUSTED_VERIFIED);
2870     }
2871
2872     /**
2873      * Trust all keys of this identity without verification
2874      *
2875      * @param name username of the identity
2876      */
2877     public boolean trustIdentityAllKeys(String name) throws InvalidNumberException {
2878         var recipientId = canonicalizeAndResolveRecipient(name);
2879         return trustIdentity(recipientId, identityKey -> true, TrustLevel.TRUSTED_UNVERIFIED);
2880     }
2881
2882     private boolean trustIdentity(
2883             RecipientId recipientId, Function<IdentityKey, Boolean> verifier, TrustLevel trustLevel
2884     ) {
2885         var identity = account.getIdentityKeyStore().getIdentity(recipientId);
2886         if (identity == null) {
2887             return false;
2888         }
2889
2890         if (!verifier.apply(identity.getIdentityKey())) {
2891             return false;
2892         }
2893
2894         account.getIdentityKeyStore().setIdentityTrustLevel(recipientId, identity.getIdentityKey(), trustLevel);
2895         try {
2896             var address = account.getRecipientStore().resolveServiceAddress(recipientId);
2897             sendVerifiedMessage(address, identity.getIdentityKey(), trustLevel);
2898         } catch (IOException | UntrustedIdentityException e) {
2899             logger.warn("Failed to send verification sync message: {}", e.getMessage());
2900         }
2901
2902         return true;
2903     }
2904
2905     public String computeSafetyNumber(
2906             SignalServiceAddress theirAddress, IdentityKey theirIdentityKey
2907     ) {
2908         return Utils.computeSafetyNumber(ServiceConfig.capabilities.isUuid(),
2909                 account.getSelfAddress(),
2910                 getIdentityKeyPair().getPublicKey(),
2911                 theirAddress,
2912                 theirIdentityKey);
2913     }
2914
2915     @Deprecated
2916     public SignalServiceAddress resolveSignalServiceAddress(String identifier) {
2917         var address = Utils.getSignalServiceAddressFromIdentifier(identifier);
2918
2919         return resolveSignalServiceAddress(address);
2920     }
2921
2922     @Deprecated
2923     public SignalServiceAddress resolveSignalServiceAddress(SignalServiceAddress address) {
2924         if (address.matches(account.getSelfAddress())) {
2925             return account.getSelfAddress();
2926         }
2927
2928         return account.getRecipientStore().resolveServiceAddress(address);
2929     }
2930
2931     public SignalServiceAddress resolveSignalServiceAddress(RecipientId recipientId) {
2932         return account.getRecipientStore().resolveServiceAddress(recipientId);
2933     }
2934
2935     public RecipientId canonicalizeAndResolveRecipient(String identifier) throws InvalidNumberException {
2936         var canonicalizedNumber = UuidUtil.isUuid(identifier)
2937                 ? identifier
2938                 : PhoneNumberFormatter.formatNumber(identifier, account.getUsername());
2939
2940         return resolveRecipient(canonicalizedNumber);
2941     }
2942
2943     private RecipientId resolveRecipient(final String identifier) {
2944         var address = Utils.getSignalServiceAddressFromIdentifier(identifier);
2945
2946         return resolveRecipient(address);
2947     }
2948
2949     public RecipientId resolveRecipient(SignalServiceAddress address) {
2950         return account.getRecipientStore().resolveRecipient(address);
2951     }
2952
2953     private RecipientId resolveRecipientTrusted(SignalServiceAddress address) {
2954         return account.getRecipientStore().resolveRecipientTrusted(address);
2955     }
2956
2957     private void enqueueJob(Job job) {
2958         var context = new Context(account, accountManager, messageReceiver, stickerPackStore);
2959         job.run(context);
2960     }
2961
2962     @Override
2963     public void close() throws IOException {
2964         close(true);
2965     }
2966
2967     void close(boolean closeAccount) throws IOException {
2968         executor.shutdown();
2969
2970         if (messagePipe != null) {
2971             messagePipe.shutdown();
2972             messagePipe = null;
2973         }
2974
2975         if (unidentifiedMessagePipe != null) {
2976             unidentifiedMessagePipe.shutdown();
2977             unidentifiedMessagePipe = null;
2978         }
2979
2980         if (closeAccount && account != null) {
2981             account.close();
2982         }
2983         account = null;
2984     }
2985
2986     public interface ReceiveMessageHandler {
2987
2988         void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent decryptedContent, Throwable e);
2989     }
2990 }