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

   1 /*
   2   Copyright (C) 2015-2022 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.AttachmentInvalidException;
  20 import org.asamk.signal.manager.api.Configuration;
  21 import org.asamk.signal.manager.api.Device;
  22 import org.asamk.signal.manager.api.Group;
  23 import org.asamk.signal.manager.api.Identity;
  24 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  25 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  26 import org.asamk.signal.manager.api.InvalidStickerException;
  27 import org.asamk.signal.manager.api.Message;
  28 import org.asamk.signal.manager.api.NotMasterDeviceException;
  29 import org.asamk.signal.manager.api.Pair;
  30 import org.asamk.signal.manager.api.RecipientIdentifier;
  31 import org.asamk.signal.manager.api.SendGroupMessageResults;
  32 import org.asamk.signal.manager.api.SendMessageResult;
  33 import org.asamk.signal.manager.api.SendMessageResults;
  34 import org.asamk.signal.manager.api.StickerPack;
  35 import org.asamk.signal.manager.api.StickerPackId;
  36 import org.asamk.signal.manager.api.StickerPackInvalidException;
  37 import org.asamk.signal.manager.api.StickerPackUrl;
  38 import org.asamk.signal.manager.api.TypingAction;
  39 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  40 import org.asamk.signal.manager.api.UpdateGroup;
  41 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  42 import org.asamk.signal.manager.groups.GroupId;
  43 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  44 import org.asamk.signal.manager.groups.GroupNotFoundException;
  45 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  46 import org.asamk.signal.manager.groups.LastGroupAdminException;
  47 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  48 import org.asamk.signal.manager.helper.AccountFileUpdater;
  49 import org.asamk.signal.manager.helper.Context;
  50 import org.asamk.signal.manager.storage.SignalAccount;
  51 import org.asamk.signal.manager.storage.groups.GroupInfo;
  52 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  53 import org.asamk.signal.manager.storage.recipients.Contact;
  54 import org.asamk.signal.manager.storage.recipients.Profile;
  55 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  56 import org.asamk.signal.manager.storage.recipients.RecipientId;
  57 import org.asamk.signal.manager.storage.stickerPacks.JsonStickerPack;
  58 import org.asamk.signal.manager.storage.stickerPacks.StickerPackStore;
  59 import org.asamk.signal.manager.storage.stickers.Sticker;
  60 import org.asamk.signal.manager.util.AttachmentUtils;
  61 import org.asamk.signal.manager.util.KeyUtils;
  62 import org.asamk.signal.manager.util.StickerUtils;
  63 import org.slf4j.Logger;
  64 import org.slf4j.LoggerFactory;
  65 import org.whispersystems.signalservice.api.SignalSessionLock;
  66 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  67 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  68 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  69 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  70 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  71 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  72 import org.whispersystems.signalservice.internal.util.Hex;
  73 import org.whispersystems.signalservice.internal.util.Util;
  74
  75 import java.io.File;
  76 import java.io.IOException;
  77 import java.net.URI;
  78 import java.time.Duration;
  79 import java.util.ArrayList;
  80 import java.util.HashMap;
  81 import java.util.HashSet;
  82 import java.util.List;
  83 import java.util.Map;
  84 import java.util.Optional;
  85 import java.util.Set;
  86 import java.util.UUID;
  87 import java.util.concurrent.ExecutorService;
  88 import java.util.concurrent.Executors;
  89 import java.util.concurrent.atomic.AtomicInteger;
  90 import java.util.concurrent.locks.ReentrantLock;
  91 import java.util.function.Function;
  92 import java.util.stream.Collectors;
  93 import java.util.stream.Stream;
  94
  95 import io.reactivex.rxjava3.disposables.CompositeDisposable;
  96
  97 class ManagerImpl implements Manager {
  98
  99     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
 100
 101     private SignalAccount account;
 102     private final SignalDependencies dependencies;
 103     private final Context context;
 104
 105     private final ExecutorService executor = Executors.newCachedThreadPool();
 106
 107     private Thread receiveThread;
 108     private boolean isReceivingSynchronous;
 109     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 110     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 111     private final List<Runnable> closedListeners = new ArrayList<>();
 112     private final List<Runnable> addressChangedListeners = new ArrayList<>();
 113     private final CompositeDisposable disposable = new CompositeDisposable();
 114
 115     ManagerImpl(
 116             SignalAccount account,
 117             PathConfig pathConfig,
 118             AccountFileUpdater accountFileUpdater,
 119             ServiceEnvironmentConfig serviceEnvironmentConfig,
 120             String userAgent
 121     ) {
 122         this.account = account;
 123
 124         final var sessionLock = new SignalSessionLock() {
 125             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 126
 127             @Override
 128             public Lock acquire() {
 129                 LEGACY_LOCK.lock();
 130                 return LEGACY_LOCK::unlock;
 131             }
 132         };
 133         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 134                 userAgent,
 135                 account.getCredentialsProvider(),
 136                 account.getSignalServiceDataStore(),
 137                 executor,
 138                 sessionLock);
 139         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 140         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 141         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 142
 143         this.context = new Context(account, (number, aci) -> {
 144             accountFileUpdater.updateAccountIdentifiers(number, aci);
 145             synchronized (addressChangedListeners) {
 146                 addressChangedListeners.forEach(Runnable::run);
 147             }
 148         }, dependencies, avatarStore, attachmentStore, stickerPackStore);
 149         this.context.getAccountHelper().setUnregisteredListener(this::close);
 150         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 151         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 152             synchronized (this) {
 153                 this.notifyAll();
 154             }
 155         });
 156         disposable.add(account.getIdentityKeyStore().getIdentityChanges().subscribe(recipientId -> {
 157             logger.trace("Archiving old sessions for {}", recipientId);
 158             account.getSessionStore().archiveSessions(recipientId);
 159             account.getSenderKeyStore().deleteSharedWith(recipientId);
 160             final var profile = account.getRecipientStore().getProfile(recipientId);
 161             if (profile != null) {
 162                 account.getRecipientStore()
 163                         .storeProfile(recipientId,
 164                                 Profile.newBuilder(profile)
 165                                         .withUnidentifiedAccessMode(Profile.UnidentifiedAccessMode.UNKNOWN)
 166                                         .withLastUpdateTimestamp(0)
 167                                         .build());
 168             }
 169         }));
 170     }
 171
 172     @Override
 173     public String getSelfNumber() {
 174         return account.getNumber();
 175     }
 176
 177     void checkAccountState() throws IOException {
 178         context.getAccountHelper().checkAccountState();
 179     }
 180
 181     @Override
 182     public Map<String, Pair<String, UUID>> areUsersRegistered(Set<String> numbers) throws IOException {
 183         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 184             try {
 185                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getNumber());
 186                 if (!canonicalizedNumber.equals(n)) {
 187                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 188                 }
 189                 return canonicalizedNumber;
 190             } catch (InvalidNumberException e) {
 191                 return "";
 192             }
 193         }));
 194
 195         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 196         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 197                 .stream()
 198                 .filter(s -> !s.isEmpty())
 199                 .collect(Collectors.toSet());
 200         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 201
 202         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 203             final var number = canonicalizedNumbers.get(n);
 204             final var aci = registeredUsers.get(number);
 205             return new Pair<>(number.isEmpty() ? null : number, aci == null ? null : aci.uuid());
 206         }));
 207     }
 208
 209     @Override
 210     public void updateAccountAttributes(String deviceName) throws IOException {
 211         if (deviceName != null) {
 212             context.getAccountHelper().setDeviceName(deviceName);
 213         }
 214         context.getAccountHelper().updateAccountAttributes();
 215     }
 216
 217     @Override
 218     public Configuration getConfiguration() {
 219         final var configurationStore = account.getConfigurationStore();
 220         return Configuration.from(configurationStore);
 221     }
 222
 223     @Override
 224     public void updateConfiguration(
 225             Configuration configuration
 226     ) throws NotMasterDeviceException {
 227         if (!account.isMasterDevice()) {
 228             throw new NotMasterDeviceException();
 229         }
 230
 231         final var configurationStore = account.getConfigurationStore();
 232         if (configuration.readReceipts().isPresent()) {
 233             configurationStore.setReadReceipts(configuration.readReceipts().get());
 234         }
 235         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 236             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 237         }
 238         if (configuration.typingIndicators().isPresent()) {
 239             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 240         }
 241         if (configuration.linkPreviews().isPresent()) {
 242             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 243         }
 244         context.getSyncHelper().sendConfigurationMessage();
 245     }
 246
 247     @Override
 248     public void setProfile(
 249             String givenName, final String familyName, String about, String aboutEmoji, Optional<File> avatar
 250     ) throws IOException {
 251         context.getProfileHelper().setProfile(givenName, familyName, about, aboutEmoji, avatar);
 252         context.getSyncHelper().sendSyncFetchProfileMessage();
 253     }
 254
 255     @Override
 256     public void unregister() throws IOException {
 257         context.getAccountHelper().unregister();
 258     }
 259
 260     @Override
 261     public void deleteAccount() throws IOException {
 262         context.getAccountHelper().deleteAccount();
 263     }
 264
 265     @Override
 266     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 267         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 268
 269         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 270     }
 271
 272     @Override
 273     public List<Device> getLinkedDevices() throws IOException {
 274         var devices = dependencies.getAccountManager().getDevices();
 275         account.setMultiDevice(devices.size() > 1);
 276         var identityKey = account.getAciIdentityKeyPair().getPrivateKey();
 277         return devices.stream().map(d -> {
 278             String deviceName = d.getName();
 279             if (deviceName != null) {
 280                 try {
 281                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 282                 } catch (IOException e) {
 283                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 284                 }
 285             }
 286             return new Device(d.getId(),
 287                     deviceName,
 288                     d.getCreated(),
 289                     d.getLastSeen(),
 290                     d.getId() == account.getDeviceId());
 291         }).toList();
 292     }
 293
 294     @Override
 295     public void removeLinkedDevices(int deviceId) throws IOException {
 296         context.getAccountHelper().removeLinkedDevices(deviceId);
 297     }
 298
 299     @Override
 300     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 301         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 302         context.getAccountHelper().addDevice(deviceLinkInfo);
 303     }
 304
 305     @Override
 306     public void setRegistrationLockPin(Optional<String> pin) throws IOException, NotMasterDeviceException {
 307         if (!account.isMasterDevice()) {
 308             throw new NotMasterDeviceException();
 309         }
 310         if (pin.isPresent()) {
 311             context.getAccountHelper().setRegistrationPin(pin.get());
 312         } else {
 313             context.getAccountHelper().removeRegistrationPin();
 314         }
 315     }
 316
 317     void refreshPreKeys() throws IOException {
 318         context.getPreKeyHelper().refreshPreKeys();
 319     }
 320
 321     @Override
 322     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
 323         return context.getProfileHelper().getRecipientProfile(context.getRecipientHelper().resolveRecipient(recipient));
 324     }
 325
 326     @Override
 327     public List<Group> getGroups() {
 328         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 329     }
 330
 331     private Group toGroup(final GroupInfo groupInfo) {
 332         if (groupInfo == null) {
 333             return null;
 334         }
 335
 336         return Group.from(groupInfo,
 337                 account.getRecipientStore()::resolveRecipientAddress,
 338                 account.getSelfRecipientId());
 339     }
 340
 341     @Override
 342     public SendGroupMessageResults quitGroup(
 343             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 344     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 345         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 346         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 347     }
 348
 349     @Override
 350     public void deleteGroup(GroupId groupId) throws IOException {
 351         final var group = context.getGroupHelper().getGroup(groupId);
 352         if (group.isMember(account.getSelfRecipientId())) {
 353             throw new IOException(
 354                     "The local group information cannot be removed, as the user is still a member of the group");
 355         }
 356         context.getGroupHelper().deleteGroup(groupId);
 357     }
 358
 359     @Override
 360     public Pair<GroupId, SendGroupMessageResults> createGroup(
 361             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 362     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 363         return context.getGroupHelper()
 364                 .createGroup(name,
 365                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 366                         avatarFile);
 367     }
 368
 369     @Override
 370     public SendGroupMessageResults updateGroup(
 371             final GroupId groupId, final UpdateGroup updateGroup
 372     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 373         return context.getGroupHelper()
 374                 .updateGroup(groupId,
 375                         updateGroup.getName(),
 376                         updateGroup.getDescription(),
 377                         updateGroup.getMembers() == null
 378                                 ? null
 379                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 380                         updateGroup.getRemoveMembers() == null
 381                                 ? null
 382                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 383                         updateGroup.getAdmins() == null
 384                                 ? null
 385                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 386                         updateGroup.getRemoveAdmins() == null
 387                                 ? null
 388                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 389                         updateGroup.getBanMembers() == null
 390                                 ? null
 391                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getBanMembers()),
 392                         updateGroup.getUnbanMembers() == null
 393                                 ? null
 394                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getUnbanMembers()),
 395                         updateGroup.isResetGroupLink(),
 396                         updateGroup.getGroupLinkState(),
 397                         updateGroup.getAddMemberPermission(),
 398                         updateGroup.getEditDetailsPermission(),
 399                         updateGroup.getAvatarFile(),
 400                         updateGroup.getExpirationTimer(),
 401                         updateGroup.getIsAnnouncementGroup());
 402     }
 403
 404     @Override
 405     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 406             GroupInviteLinkUrl inviteLinkUrl
 407     ) throws IOException, InactiveGroupLinkException {
 408         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 409     }
 410
 411     private SendMessageResults sendMessage(
 412             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 413     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 414         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 415         long timestamp = System.currentTimeMillis();
 416         messageBuilder.withTimestamp(timestamp);
 417         for (final var recipient : recipients) {
 418             if (recipient instanceof RecipientIdentifier.Single single) {
 419                 try {
 420                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 421                     final var result = context.getSendHelper().sendMessage(messageBuilder, recipientId);
 422                     results.put(recipient, List.of(toSendMessageResult(result)));
 423                 } catch (UnregisteredRecipientException e) {
 424                     results.put(recipient,
 425                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 426                 }
 427             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 428                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder);
 429                 results.put(recipient, List.of(toSendMessageResult(result)));
 430             } else if (recipient instanceof RecipientIdentifier.Group group) {
 431                 final var result = context.getSendHelper().sendAsGroupMessage(messageBuilder, group.groupId());
 432                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 433             }
 434         }
 435         return new SendMessageResults(timestamp, results);
 436     }
 437
 438     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 439         return SendMessageResult.from(result,
 440                 account.getRecipientStore(),
 441                 account.getRecipientStore()::resolveRecipientAddress);
 442     }
 443
 444     private SendMessageResults sendTypingMessage(
 445             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 446     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 447         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 448         final var timestamp = System.currentTimeMillis();
 449         for (var recipient : recipients) {
 450             if (recipient instanceof RecipientIdentifier.Single single) {
 451                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.empty());
 452                 try {
 453                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 454                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 455                     results.put(recipient, List.of(toSendMessageResult(result)));
 456                 } catch (UnregisteredRecipientException e) {
 457                     results.put(recipient,
 458                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 459                 }
 460             } else if (recipient instanceof RecipientIdentifier.Group) {
 461                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 462                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 463                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 464                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 465             }
 466         }
 467         return new SendMessageResults(timestamp, results);
 468     }
 469
 470     @Override
 471     public SendMessageResults sendTypingMessage(
 472             TypingAction action, Set<RecipientIdentifier> recipients
 473     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 474         return sendTypingMessage(action.toSignalService(), recipients);
 475     }
 476
 477     @Override
 478     public SendMessageResults sendReadReceipt(
 479             RecipientIdentifier.Single sender, List<Long> messageIds
 480     ) throws IOException {
 481         final var timestamp = System.currentTimeMillis();
 482         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 483                 messageIds,
 484                 timestamp);
 485
 486         return sendReceiptMessage(sender, timestamp, receiptMessage);
 487     }
 488
 489     @Override
 490     public SendMessageResults sendViewedReceipt(
 491             RecipientIdentifier.Single sender, List<Long> messageIds
 492     ) throws IOException {
 493         final var timestamp = System.currentTimeMillis();
 494         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 495                 messageIds,
 496                 timestamp);
 497
 498         return sendReceiptMessage(sender, timestamp, receiptMessage);
 499     }
 500
 501     private SendMessageResults sendReceiptMessage(
 502             final RecipientIdentifier.Single sender,
 503             final long timestamp,
 504             final SignalServiceReceiptMessage receiptMessage
 505     ) throws IOException {
 506         try {
 507             final var result = context.getSendHelper()
 508                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 509             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 510         } catch (UnregisteredRecipientException e) {
 511             return new SendMessageResults(timestamp,
 512                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 513         }
 514     }
 515
 516     @Override
 517     public SendMessageResults sendMessage(
 518             Message message, Set<RecipientIdentifier> recipients
 519     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 520         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 521         applyMessage(messageBuilder, message);
 522         return sendMessage(messageBuilder, recipients);
 523     }
 524
 525     private void applyMessage(
 526             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 527     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 528         messageBuilder.withBody(message.messageText());
 529         final var attachments = message.attachments();
 530         if (attachments != null) {
 531             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(attachments));
 532         }
 533         if (message.mentions().size() > 0) {
 534             messageBuilder.withMentions(resolveMentions(message.mentions()));
 535         }
 536         if (message.quote().isPresent()) {
 537             final var quote = message.quote().get();
 538             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 539                     context.getRecipientHelper()
 540                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author())),
 541                     quote.message(),
 542                     List.of(),
 543                     resolveMentions(quote.mentions())));
 544         }
 545         if (message.sticker().isPresent()) {
 546             final var sticker = message.sticker().get();
 547             final var packId = StickerPackId.deserialize(sticker.packId());
 548             final var stickerId = sticker.stickerId();
 549
 550             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 551             if (stickerPack == null) {
 552                 throw new InvalidStickerException("Sticker pack not found");
 553             }
 554             final var manifest = context.getStickerHelper().getOrRetrieveStickerPack(packId, stickerPack.getPackKey());
 555             if (manifest.stickers().size() <= stickerId) {
 556                 throw new InvalidStickerException("Sticker id not part of this pack");
 557             }
 558             final var manifestSticker = manifest.stickers().get(stickerId);
 559             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 560             if (streamDetails == null) {
 561                 throw new InvalidStickerException("Missing local sticker file");
 562             }
 563             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 564                     stickerPack.getPackKey(),
 565                     stickerId,
 566                     manifestSticker.emoji(),
 567                     AttachmentUtils.createAttachment(streamDetails, Optional.empty())));
 568         }
 569     }
 570
 571     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws IOException, UnregisteredRecipientException {
 572         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 573         for (final var m : mentionList) {
 574             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 575             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 576                     .resolveSignalServiceAddress(recipientId)
 577                     .getServiceId(), m.start(), m.length()));
 578         }
 579         return mentions;
 580     }
 581
 582     @Override
 583     public SendMessageResults sendRemoteDeleteMessage(
 584             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 585     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 586         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 587         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 588         for (final var recipient : recipients) {
 589             if (recipient instanceof RecipientIdentifier.Single r) {
 590                 try {
 591                     final var recipientId = context.getRecipientHelper().resolveRecipient(r);
 592                     account.getMessageSendLogStore().deleteEntryForRecipientNonGroup(targetSentTimestamp, recipientId);
 593                 } catch (UnregisteredRecipientException ignored) {
 594                 }
 595             } else if (recipient instanceof RecipientIdentifier.Group r) {
 596                 account.getMessageSendLogStore().deleteEntryForGroup(targetSentTimestamp, r.groupId());
 597             }
 598         }
 599         return sendMessage(messageBuilder, recipients);
 600     }
 601
 602     @Override
 603     public SendMessageResults sendMessageReaction(
 604             String emoji,
 605             boolean remove,
 606             RecipientIdentifier.Single targetAuthor,
 607             long targetSentTimestamp,
 608             Set<RecipientIdentifier> recipients
 609     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 610         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 611         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 612                 remove,
 613                 context.getRecipientHelper().resolveSignalServiceAddress(targetAuthorRecipientId),
 614                 targetSentTimestamp);
 615         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 616         return sendMessage(messageBuilder, recipients);
 617     }
 618
 619     @Override
 620     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 621         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 622
 623         try {
 624             return sendMessage(messageBuilder,
 625                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 626         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 627             throw new AssertionError(e);
 628         } finally {
 629             for (var recipient : recipients) {
 630                 final RecipientId recipientId;
 631                 try {
 632                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 633                 } catch (UnregisteredRecipientException e) {
 634                     continue;
 635                 }
 636                 account.getSessionStore().deleteAllSessions(recipientId);
 637             }
 638         }
 639     }
 640
 641     @Override
 642     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 643         account.removeRecipient(account.getRecipientStore().resolveRecipient(recipient.toPartialRecipientAddress()));
 644     }
 645
 646     @Override
 647     public void deleteContact(final RecipientIdentifier.Single recipient) {
 648         account.getContactStore()
 649                 .deleteContact(account.getRecipientStore().resolveRecipient(recipient.toPartialRecipientAddress()));
 650     }
 651
 652     @Override
 653     public void setContactName(
 654             RecipientIdentifier.Single recipient, String name
 655     ) throws NotMasterDeviceException, IOException, UnregisteredRecipientException {
 656         if (!account.isMasterDevice()) {
 657             throw new NotMasterDeviceException();
 658         }
 659         context.getContactHelper().setContactName(context.getRecipientHelper().resolveRecipient(recipient), name);
 660     }
 661
 662     @Override
 663     public void setContactBlocked(
 664             RecipientIdentifier.Single recipient, boolean blocked
 665     ) throws NotMasterDeviceException, IOException, UnregisteredRecipientException {
 666         if (!account.isMasterDevice()) {
 667             throw new NotMasterDeviceException();
 668         }
 669         context.getContactHelper().setContactBlocked(context.getRecipientHelper().resolveRecipient(recipient), blocked);
 670         // TODO cycle our profile key, if we're not together in a group with recipient
 671         context.getSyncHelper().sendBlockedList();
 672     }
 673
 674     @Override
 675     public void setGroupBlocked(
 676             final GroupId groupId, final boolean blocked
 677     ) throws GroupNotFoundException, NotMasterDeviceException {
 678         if (!account.isMasterDevice()) {
 679             throw new NotMasterDeviceException();
 680         }
 681         context.getGroupHelper().setGroupBlocked(groupId, blocked);
 682         // TODO cycle our profile key
 683         context.getSyncHelper().sendBlockedList();
 684     }
 685
 686     @Override
 687     public void setExpirationTimer(
 688             RecipientIdentifier.Single recipient, int messageExpirationTimer
 689     ) throws IOException, UnregisteredRecipientException {
 690         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 691         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 692         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 693         try {
 694             sendMessage(messageBuilder, Set.of(recipient));
 695         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 696             throw new AssertionError(e);
 697         }
 698     }
 699
 700     @Override
 701     public StickerPackUrl uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 702         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 703
 704         var messageSender = dependencies.getMessageSender();
 705
 706         var packKey = KeyUtils.createStickerUploadKey();
 707         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 708         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 709
 710         var sticker = new Sticker(packId, packKey);
 711         account.getStickerStore().updateSticker(sticker);
 712
 713         return new StickerPackUrl(packId, packKey);
 714     }
 715
 716     @Override
 717     public List<StickerPack> getStickerPacks() {
 718         final var stickerPackStore = context.getStickerPackStore();
 719         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 720             if (stickerPackStore.existsStickerPack(pack.getPackId())) {
 721                 try {
 722                     final var manifest = stickerPackStore.retrieveManifest(pack.getPackId());
 723                     return new StickerPack(pack.getPackId(),
 724                             new StickerPackUrl(pack.getPackId(), pack.getPackKey()),
 725                             pack.isInstalled(),
 726                             manifest.title(),
 727                             manifest.author(),
 728                             Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 729                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 730                 } catch (Exception e) {
 731                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 732                 }
 733             }
 734
 735             return new StickerPack(pack.getPackId(), pack.getPackKey(), pack.isInstalled());
 736         }).toList();
 737     }
 738
 739     @Override
 740     public void requestAllSyncData() throws IOException {
 741         context.getSyncHelper().requestAllSyncData();
 742         retrieveRemoteStorage();
 743     }
 744
 745     void retrieveRemoteStorage() throws IOException {
 746         if (account.getStorageKey() != null) {
 747             context.getStorageHelper().readDataFromStorage();
 748         }
 749     }
 750
 751     @Override
 752     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 753         if (isReceivingSynchronous) {
 754             throw new IllegalStateException("Already receiving message synchronously.");
 755         }
 756         synchronized (messageHandlers) {
 757             if (isWeakListener) {
 758                 weakHandlers.add(handler);
 759             } else {
 760                 messageHandlers.add(handler);
 761                 startReceiveThreadIfRequired();
 762             }
 763         }
 764     }
 765
 766     private static final AtomicInteger threadNumber = new AtomicInteger(0);
 767
 768     private void startReceiveThreadIfRequired() {
 769         if (receiveThread != null) {
 770             return;
 771         }
 772         receiveThread = new Thread(() -> {
 773             logger.debug("Starting receiving messages");
 774             context.getReceiveHelper().receiveMessagesContinuously((envelope, e) -> {
 775                 synchronized (messageHandlers) {
 776                     Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 777                         try {
 778                             h.handleMessage(envelope, e);
 779                         } catch (Throwable ex) {
 780                             logger.warn("Message handler failed, ignoring", ex);
 781                         }
 782                     });
 783                 }
 784             });
 785             logger.debug("Finished receiving messages");
 786             synchronized (messageHandlers) {
 787                 receiveThread = null;
 788
 789                 // Check if in the meantime another handler has been registered
 790                 if (!messageHandlers.isEmpty()) {
 791                     logger.debug("Another handler has been registered, starting receive thread again");
 792                     startReceiveThreadIfRequired();
 793                 }
 794             }
 795         });
 796         receiveThread.setName("receive-" + threadNumber.getAndIncrement());
 797
 798         receiveThread.start();
 799     }
 800
 801     @Override
 802     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 803         final Thread thread;
 804         synchronized (messageHandlers) {
 805             weakHandlers.remove(handler);
 806             messageHandlers.remove(handler);
 807             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 808                 return;
 809             }
 810             thread = receiveThread;
 811             receiveThread = null;
 812         }
 813
 814         stopReceiveThread(thread);
 815     }
 816
 817     private void stopReceiveThread(final Thread thread) {
 818         if (context.getReceiveHelper().requestStopReceiveMessages()) {
 819             logger.debug("Receive stop requested, interrupting read from server.");
 820             thread.interrupt();
 821         }
 822         try {
 823             thread.join();
 824         } catch (InterruptedException ignored) {
 825         }
 826     }
 827
 828     @Override
 829     public boolean isReceiving() {
 830         if (isReceivingSynchronous) {
 831             return true;
 832         }
 833         synchronized (messageHandlers) {
 834             return messageHandlers.size() > 0;
 835         }
 836     }
 837
 838     @Override
 839     public void receiveMessages(Duration timeout, ReceiveMessageHandler handler) throws IOException {
 840         receiveMessages(timeout, true, handler);
 841     }
 842
 843     @Override
 844     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
 845         receiveMessages(Duration.ofMinutes(1), false, handler);
 846     }
 847
 848     private void receiveMessages(
 849             Duration timeout, boolean returnOnTimeout, ReceiveMessageHandler handler
 850     ) throws IOException {
 851         if (isReceiving()) {
 852             throw new IllegalStateException("Already receiving message.");
 853         }
 854         isReceivingSynchronous = true;
 855         receiveThread = Thread.currentThread();
 856         try {
 857             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, handler);
 858         } finally {
 859             receiveThread = null;
 860             isReceivingSynchronous = false;
 861         }
 862     }
 863
 864     @Override
 865     public void setIgnoreAttachments(final boolean ignoreAttachments) {
 866         context.getReceiveHelper().setIgnoreAttachments(ignoreAttachments);
 867     }
 868
 869     @Override
 870     public boolean hasCaughtUpWithOldMessages() {
 871         return context.getReceiveHelper().hasCaughtUpWithOldMessages();
 872     }
 873
 874     @Override
 875     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
 876         final RecipientId recipientId;
 877         try {
 878             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 879         } catch (IOException | UnregisteredRecipientException e) {
 880             return false;
 881         }
 882         return context.getContactHelper().isContactBlocked(recipientId);
 883     }
 884
 885     @Override
 886     public void sendContacts() throws IOException {
 887         context.getSyncHelper().sendContacts();
 888     }
 889
 890     @Override
 891     public List<Pair<RecipientAddress, Contact>> getContacts() {
 892         return account.getContactStore()
 893                 .getContacts()
 894                 .stream()
 895                 .map(p -> new Pair<>(account.getRecipientStore().resolveRecipientAddress(p.first()), p.second()))
 896                 .toList();
 897     }
 898
 899     @Override
 900     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
 901         final RecipientId recipientId;
 902         try {
 903             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 904         } catch (IOException | UnregisteredRecipientException e) {
 905             return null;
 906         }
 907
 908         final var contact = account.getContactStore().getContact(recipientId);
 909         if (contact != null && !Util.isEmpty(contact.getName())) {
 910             return contact.getName();
 911         }
 912
 913         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
 914         if (profile != null) {
 915             return profile.getDisplayName();
 916         }
 917
 918         return null;
 919     }
 920
 921     @Override
 922     public Group getGroup(GroupId groupId) {
 923         return toGroup(context.getGroupHelper().getGroup(groupId));
 924     }
 925
 926     @Override
 927     public List<Identity> getIdentities() {
 928         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
 929     }
 930
 931     private Identity toIdentity(final IdentityInfo identityInfo) {
 932         if (identityInfo == null) {
 933             return null;
 934         }
 935
 936         final var address = account.getRecipientStore().resolveRecipientAddress(identityInfo.getRecipientId());
 937         final var scannableFingerprint = context.getIdentityHelper()
 938                 .computeSafetyNumberForScanning(identityInfo.getRecipientId(), identityInfo.getIdentityKey());
 939         return new Identity(address,
 940                 identityInfo.getIdentityKey(),
 941                 context.getIdentityHelper()
 942                         .computeSafetyNumber(identityInfo.getRecipientId(), identityInfo.getIdentityKey()),
 943                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
 944                 identityInfo.getTrustLevel(),
 945                 identityInfo.getDateAdded());
 946     }
 947
 948     @Override
 949     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
 950         IdentityInfo identity;
 951         try {
 952             identity = account.getIdentityKeyStore()
 953                     .getIdentity(context.getRecipientHelper().resolveRecipient(recipient));
 954         } catch (IOException | UnregisteredRecipientException e) {
 955             identity = null;
 956         }
 957         return identity == null ? List.of() : List.of(toIdentity(identity));
 958     }
 959
 960     @Override
 961     public boolean trustIdentityVerified(
 962             RecipientIdentifier.Single recipient, byte[] fingerprint
 963     ) throws UnregisteredRecipientException {
 964         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
 965     }
 966
 967     @Override
 968     public boolean trustIdentityVerifiedSafetyNumber(
 969             RecipientIdentifier.Single recipient, String safetyNumber
 970     ) throws UnregisteredRecipientException {
 971         return trustIdentity(recipient,
 972                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
 973     }
 974
 975     @Override
 976     public boolean trustIdentityVerifiedSafetyNumber(
 977             RecipientIdentifier.Single recipient, byte[] safetyNumber
 978     ) throws UnregisteredRecipientException {
 979         return trustIdentity(recipient,
 980                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
 981     }
 982
 983     @Override
 984     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
 985         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
 986     }
 987
 988     private boolean trustIdentity(
 989             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
 990     ) throws UnregisteredRecipientException {
 991         RecipientId recipientId;
 992         try {
 993             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 994         } catch (IOException e) {
 995             return false;
 996         }
 997         final var updated = trustMethod.apply(recipientId);
 998         if (updated && this.isReceiving()) {
 999             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
1000         }
1001         return updated;
1002     }
1003
1004     @Override
1005     public void addAddressChangedListener(final Runnable listener) {
1006         synchronized (addressChangedListeners) {
1007             addressChangedListeners.add(listener);
1008         }
1009     }
1010
1011     @Override
1012     public void addClosedListener(final Runnable listener) {
1013         synchronized (closedListeners) {
1014             closedListeners.add(listener);
1015         }
1016     }
1017
1018     @Override
1019     public void close() {
1020         Thread thread;
1021         synchronized (messageHandlers) {
1022             weakHandlers.clear();
1023             messageHandlers.clear();
1024             thread = receiveThread;
1025             receiveThread = null;
1026         }
1027         if (thread != null) {
1028             stopReceiveThread(thread);
1029         }
1030         executor.shutdown();
1031
1032         dependencies.getSignalWebSocket().disconnect();
1033         disposable.dispose();
1034
1035         if (account != null) {
1036             account.close();
1037         }
1038
1039         synchronized (closedListeners) {
1040             closedListeners.forEach(Runnable::run);
1041             closedListeners.clear();
1042         }
1043
1044         account = null;
1045     }
1046 }