nmode's Git Repositories - signal-cli/blob - lib/src/main/java/org/asamk/signal/manager/ManagerImpl.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.Configuration;
  20 import org.asamk.signal.manager.api.Device;
  21 import org.asamk.signal.manager.api.Group;
  22 import org.asamk.signal.manager.api.Identity;
  23 import org.asamk.signal.manager.api.InactiveGroupLinkException;
  24 import org.asamk.signal.manager.api.InvalidDeviceLinkException;
  25 import org.asamk.signal.manager.api.InvalidStickerException;
  26 import org.asamk.signal.manager.api.Message;
  27 import org.asamk.signal.manager.api.Pair;
  28 import org.asamk.signal.manager.api.RecipientIdentifier;
  29 import org.asamk.signal.manager.api.SendGroupMessageResults;
  30 import org.asamk.signal.manager.api.SendMessageResult;
  31 import org.asamk.signal.manager.api.SendMessageResults;
  32 import org.asamk.signal.manager.api.StickerPack;
  33 import org.asamk.signal.manager.api.TypingAction;
  34 import org.asamk.signal.manager.api.UnregisteredRecipientException;
  35 import org.asamk.signal.manager.api.UpdateGroup;
  36 import org.asamk.signal.manager.config.ServiceEnvironmentConfig;
  37 import org.asamk.signal.manager.groups.GroupId;
  38 import org.asamk.signal.manager.groups.GroupInviteLinkUrl;
  39 import org.asamk.signal.manager.groups.GroupNotFoundException;
  40 import org.asamk.signal.manager.groups.GroupSendingNotAllowedException;
  41 import org.asamk.signal.manager.groups.LastGroupAdminException;
  42 import org.asamk.signal.manager.groups.NotAGroupMemberException;
  43 import org.asamk.signal.manager.helper.Context;
  44 import org.asamk.signal.manager.storage.SignalAccount;
  45 import org.asamk.signal.manager.storage.groups.GroupInfo;
  46 import org.asamk.signal.manager.storage.identities.IdentityInfo;
  47 import org.asamk.signal.manager.storage.recipients.Contact;
  48 import org.asamk.signal.manager.storage.recipients.Profile;
  49 import org.asamk.signal.manager.storage.recipients.RecipientAddress;
  50 import org.asamk.signal.manager.storage.recipients.RecipientId;
  51 import org.asamk.signal.manager.storage.stickers.Sticker;
  52 import org.asamk.signal.manager.storage.stickers.StickerPackId;
  53 import org.asamk.signal.manager.util.AttachmentUtils;
  54 import org.asamk.signal.manager.util.KeyUtils;
  55 import org.asamk.signal.manager.util.StickerUtils;
  56 import org.slf4j.Logger;
  57 import org.slf4j.LoggerFactory;
  58 import org.whispersystems.libsignal.util.guava.Optional;
  59 import org.whispersystems.signalservice.api.SignalSessionLock;
  60 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  61 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  62 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  63 import org.whispersystems.signalservice.api.util.DeviceNameUtil;
  64 import org.whispersystems.signalservice.api.util.InvalidNumberException;
  65 import org.whispersystems.signalservice.api.util.PhoneNumberFormatter;
  66 import org.whispersystems.signalservice.internal.util.DynamicCredentialsProvider;
  67 import org.whispersystems.signalservice.internal.util.Hex;
  68 import org.whispersystems.signalservice.internal.util.Util;
  69
  70 import java.io.File;
  71 import java.io.IOException;
  72 import java.net.URI;
  73 import java.net.URISyntaxException;
  74 import java.net.URLEncoder;
  75 import java.nio.charset.StandardCharsets;
  76 import java.time.Duration;
  77 import java.util.ArrayList;
  78 import java.util.HashMap;
  79 import java.util.HashSet;
  80 import java.util.List;
  81 import java.util.Map;
  82 import java.util.Set;
  83 import java.util.UUID;
  84 import java.util.concurrent.ExecutorService;
  85 import java.util.concurrent.Executors;
  86 import java.util.concurrent.locks.ReentrantLock;
  87 import java.util.function.Function;
  88 import java.util.stream.Collectors;
  89 import java.util.stream.Stream;
  90
  91 public class ManagerImpl implements Manager {
  92
  93     private final static Logger logger = LoggerFactory.getLogger(ManagerImpl.class);
  94
  95     private SignalAccount account;
  96     private final SignalDependencies dependencies;
  97     private final Context context;
  98
  99     private final ExecutorService executor = Executors.newCachedThreadPool();
 100
 101     private Thread receiveThread;
 102     private boolean isReceivingSynchronous;
 103     private final Set<ReceiveMessageHandler> weakHandlers = new HashSet<>();
 104     private final Set<ReceiveMessageHandler> messageHandlers = new HashSet<>();
 105     private final List<Runnable> closedListeners = new ArrayList<>();
 106
 107     ManagerImpl(
 108             SignalAccount account,
 109             PathConfig pathConfig,
 110             ServiceEnvironmentConfig serviceEnvironmentConfig,
 111             String userAgent
 112     ) {
 113         this.account = account;
 114
 115         final var credentialsProvider = new DynamicCredentialsProvider(account.getAci(),
 116                 account.getAccount(),
 117                 account.getPassword(),
 118                 account.getDeviceId());
 119         final var sessionLock = new SignalSessionLock() {
 120             private final ReentrantLock LEGACY_LOCK = new ReentrantLock();
 121
 122             @Override
 123             public Lock acquire() {
 124                 LEGACY_LOCK.lock();
 125                 return LEGACY_LOCK::unlock;
 126             }
 127         };
 128         this.dependencies = new SignalDependencies(serviceEnvironmentConfig,
 129                 userAgent,
 130                 credentialsProvider,
 131                 account.getSignalProtocolStore(),
 132                 executor,
 133                 sessionLock);
 134         final var avatarStore = new AvatarStore(pathConfig.avatarsPath());
 135         final var attachmentStore = new AttachmentStore(pathConfig.attachmentsPath());
 136         final var stickerPackStore = new StickerPackStore(pathConfig.stickerPacksPath());
 137
 138         this.context = new Context(account, dependencies, avatarStore, attachmentStore, stickerPackStore);
 139         this.context.getAccountHelper().setUnregisteredListener(this::close);
 140         this.context.getReceiveHelper().setAuthenticationFailureListener(this::close);
 141         this.context.getReceiveHelper().setCaughtUpWithOldMessagesListener(() -> {
 142             synchronized (this) {
 143                 this.notifyAll();
 144             }
 145         });
 146     }
 147
 148     @Override
 149     public String getSelfNumber() {
 150         return account.getAccount();
 151     }
 152
 153     @Override
 154     public void checkAccountState() throws IOException {
 155         context.getAccountHelper().checkAccountState();
 156     }
 157
 158     @Override
 159     public Map<String, Pair<String, UUID>> areUsersRegistered(Set<String> numbers) throws IOException {
 160         final var canonicalizedNumbers = numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 161             try {
 162                 final var canonicalizedNumber = PhoneNumberFormatter.formatNumber(n, account.getAccount());
 163                 if (!canonicalizedNumber.equals(n)) {
 164                     logger.debug("Normalized number {} to {}.", n, canonicalizedNumber);
 165                 }
 166                 return canonicalizedNumber;
 167             } catch (InvalidNumberException e) {
 168                 return "";
 169             }
 170         }));
 171
 172         // Note "registeredUsers" has no optionals. It only gives us info on users who are registered
 173         final var canonicalizedNumbersSet = canonicalizedNumbers.values()
 174                 .stream()
 175                 .filter(s -> !s.isEmpty())
 176                 .collect(Collectors.toSet());
 177         final var registeredUsers = context.getRecipientHelper().getRegisteredUsers(canonicalizedNumbersSet);
 178
 179         return numbers.stream().collect(Collectors.toMap(n -> n, n -> {
 180             final var number = canonicalizedNumbers.get(n);
 181             final var aci = registeredUsers.get(number);
 182             return new Pair<>(number.isEmpty() ? null : number, aci == null ? null : aci.uuid());
 183         }));
 184     }
 185
 186     @Override
 187     public void updateAccountAttributes(String deviceName) throws IOException {
 188         if (deviceName != null) {
 189             context.getAccountHelper().setDeviceName(deviceName);
 190         }
 191         context.getAccountHelper().updateAccountAttributes();
 192     }
 193
 194     @Override
 195     public Configuration getConfiguration() {
 196         final var configurationStore = account.getConfigurationStore();
 197         return Configuration.from(configurationStore);
 198     }
 199
 200     @Override
 201     public void updateConfiguration(
 202             Configuration configuration
 203     ) throws NotMasterDeviceException {
 204         if (!account.isMasterDevice()) {
 205             throw new NotMasterDeviceException();
 206         }
 207
 208         final var configurationStore = account.getConfigurationStore();
 209         if (configuration.readReceipts().isPresent()) {
 210             configurationStore.setReadReceipts(configuration.readReceipts().get());
 211         }
 212         if (configuration.unidentifiedDeliveryIndicators().isPresent()) {
 213             configurationStore.setUnidentifiedDeliveryIndicators(configuration.unidentifiedDeliveryIndicators().get());
 214         }
 215         if (configuration.typingIndicators().isPresent()) {
 216             configurationStore.setTypingIndicators(configuration.typingIndicators().get());
 217         }
 218         if (configuration.linkPreviews().isPresent()) {
 219             configurationStore.setLinkPreviews(configuration.linkPreviews().get());
 220         }
 221         context.getSyncHelper().sendConfigurationMessage();
 222     }
 223
 224     @Override
 225     public void setProfile(
 226             String givenName, final String familyName, String about, String aboutEmoji, java.util.Optional<File> avatar
 227     ) throws IOException {
 228         context.getProfileHelper()
 229                 .setProfile(givenName,
 230                         familyName,
 231                         about,
 232                         aboutEmoji,
 233                         avatar == null ? null : Optional.fromNullable(avatar.orElse(null)));
 234         context.getSyncHelper().sendSyncFetchProfileMessage();
 235     }
 236
 237     @Override
 238     public void unregister() throws IOException {
 239         context.getAccountHelper().unregister();
 240     }
 241
 242     @Override
 243     public void deleteAccount() throws IOException {
 244         context.getAccountHelper().deleteAccount();
 245     }
 246
 247     @Override
 248     public void submitRateLimitRecaptchaChallenge(String challenge, String captcha) throws IOException {
 249         captcha = captcha == null ? null : captcha.replace("signalcaptcha://", "");
 250
 251         dependencies.getAccountManager().submitRateLimitRecaptchaChallenge(challenge, captcha);
 252     }
 253
 254     @Override
 255     public List<Device> getLinkedDevices() throws IOException {
 256         var devices = dependencies.getAccountManager().getDevices();
 257         account.setMultiDevice(devices.size() > 1);
 258         var identityKey = account.getIdentityKeyPair().getPrivateKey();
 259         return devices.stream().map(d -> {
 260             String deviceName = d.getName();
 261             if (deviceName != null) {
 262                 try {
 263                     deviceName = DeviceNameUtil.decryptDeviceName(deviceName, identityKey);
 264                 } catch (IOException e) {
 265                     logger.debug("Failed to decrypt device name, maybe plain text?", e);
 266                 }
 267             }
 268             return new Device(d.getId(),
 269                     deviceName,
 270                     d.getCreated(),
 271                     d.getLastSeen(),
 272                     d.getId() == account.getDeviceId());
 273         }).toList();
 274     }
 275
 276     @Override
 277     public void removeLinkedDevices(long deviceId) throws IOException {
 278         context.getAccountHelper().removeLinkedDevices(deviceId);
 279     }
 280
 281     @Override
 282     public void addDeviceLink(URI linkUri) throws IOException, InvalidDeviceLinkException {
 283         var deviceLinkInfo = DeviceLinkInfo.parseDeviceLinkUri(linkUri);
 284         context.getAccountHelper().addDevice(deviceLinkInfo);
 285     }
 286
 287     @Override
 288     public void setRegistrationLockPin(java.util.Optional<String> pin) throws IOException, NotMasterDeviceException {
 289         if (!account.isMasterDevice()) {
 290             throw new NotMasterDeviceException();
 291         }
 292         if (pin.isPresent()) {
 293             context.getAccountHelper().setRegistrationPin(pin.get());
 294         } else {
 295             context.getAccountHelper().removeRegistrationPin();
 296         }
 297     }
 298
 299     void refreshPreKeys() throws IOException {
 300         context.getPreKeyHelper().refreshPreKeys();
 301     }
 302
 303     @Override
 304     public Profile getRecipientProfile(RecipientIdentifier.Single recipient) throws IOException, UnregisteredRecipientException {
 305         return context.getProfileHelper().getRecipientProfile(context.getRecipientHelper().resolveRecipient(recipient));
 306     }
 307
 308     @Override
 309     public List<Group> getGroups() {
 310         return account.getGroupStore().getGroups().stream().map(this::toGroup).toList();
 311     }
 312
 313     private Group toGroup(final GroupInfo groupInfo) {
 314         if (groupInfo == null) {
 315             return null;
 316         }
 317
 318         return Group.from(groupInfo,
 319                 account.getRecipientStore()::resolveRecipientAddress,
 320                 account.getSelfRecipientId());
 321     }
 322
 323     @Override
 324     public SendGroupMessageResults quitGroup(
 325             GroupId groupId, Set<RecipientIdentifier.Single> groupAdmins
 326     ) throws GroupNotFoundException, IOException, NotAGroupMemberException, LastGroupAdminException, UnregisteredRecipientException {
 327         final var newAdmins = context.getRecipientHelper().resolveRecipients(groupAdmins);
 328         return context.getGroupHelper().quitGroup(groupId, newAdmins);
 329     }
 330
 331     @Override
 332     public void deleteGroup(GroupId groupId) throws IOException {
 333         context.getGroupHelper().deleteGroup(groupId);
 334     }
 335
 336     @Override
 337     public Pair<GroupId, SendGroupMessageResults> createGroup(
 338             String name, Set<RecipientIdentifier.Single> members, File avatarFile
 339     ) throws IOException, AttachmentInvalidException, UnregisteredRecipientException {
 340         return context.getGroupHelper()
 341                 .createGroup(name,
 342                         members == null ? null : context.getRecipientHelper().resolveRecipients(members),
 343                         avatarFile);
 344     }
 345
 346     @Override
 347     public SendGroupMessageResults updateGroup(
 348             final GroupId groupId, final UpdateGroup updateGroup
 349     ) throws IOException, GroupNotFoundException, AttachmentInvalidException, NotAGroupMemberException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 350         return context.getGroupHelper()
 351                 .updateGroup(groupId,
 352                         updateGroup.getName(),
 353                         updateGroup.getDescription(),
 354                         updateGroup.getMembers() == null
 355                                 ? null
 356                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getMembers()),
 357                         updateGroup.getRemoveMembers() == null
 358                                 ? null
 359                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveMembers()),
 360                         updateGroup.getAdmins() == null
 361                                 ? null
 362                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getAdmins()),
 363                         updateGroup.getRemoveAdmins() == null
 364                                 ? null
 365                                 : context.getRecipientHelper().resolveRecipients(updateGroup.getRemoveAdmins()),
 366                         updateGroup.isResetGroupLink(),
 367                         updateGroup.getGroupLinkState(),
 368                         updateGroup.getAddMemberPermission(),
 369                         updateGroup.getEditDetailsPermission(),
 370                         updateGroup.getAvatarFile(),
 371                         updateGroup.getExpirationTimer(),
 372                         updateGroup.getIsAnnouncementGroup());
 373     }
 374
 375     @Override
 376     public Pair<GroupId, SendGroupMessageResults> joinGroup(
 377             GroupInviteLinkUrl inviteLinkUrl
 378     ) throws IOException, InactiveGroupLinkException {
 379         return context.getGroupHelper().joinGroup(inviteLinkUrl);
 380     }
 381
 382     private SendMessageResults sendMessage(
 383             SignalServiceDataMessage.Builder messageBuilder, Set<RecipientIdentifier> recipients
 384     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 385         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 386         long timestamp = System.currentTimeMillis();
 387         messageBuilder.withTimestamp(timestamp);
 388         for (final var recipient : recipients) {
 389             if (recipient instanceof RecipientIdentifier.Single single) {
 390                 try {
 391                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 392                     final var result = context.getSendHelper().sendMessage(messageBuilder, recipientId);
 393                     results.put(recipient, List.of(toSendMessageResult(result)));
 394                 } catch (UnregisteredRecipientException e) {
 395                     results.put(recipient,
 396                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 397                 }
 398             } else if (recipient instanceof RecipientIdentifier.NoteToSelf) {
 399                 final var result = context.getSendHelper().sendSelfMessage(messageBuilder);
 400                 results.put(recipient, List.of(toSendMessageResult(result)));
 401             } else if (recipient instanceof RecipientIdentifier.Group group) {
 402                 final var result = context.getSendHelper().sendAsGroupMessage(messageBuilder, group.groupId());
 403                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 404             }
 405         }
 406         return new SendMessageResults(timestamp, results);
 407     }
 408
 409     private SendMessageResult toSendMessageResult(final org.whispersystems.signalservice.api.messages.SendMessageResult result) {
 410         return SendMessageResult.from(result,
 411                 account.getRecipientStore(),
 412                 account.getRecipientStore()::resolveRecipientAddress);
 413     }
 414
 415     private SendMessageResults sendTypingMessage(
 416             SignalServiceTypingMessage.Action action, Set<RecipientIdentifier> recipients
 417     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 418         var results = new HashMap<RecipientIdentifier, List<SendMessageResult>>();
 419         final var timestamp = System.currentTimeMillis();
 420         for (var recipient : recipients) {
 421             if (recipient instanceof RecipientIdentifier.Single single) {
 422                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.absent());
 423                 try {
 424                     final var recipientId = context.getRecipientHelper().resolveRecipient(single);
 425                     final var result = context.getSendHelper().sendTypingMessage(message, recipientId);
 426                     results.put(recipient, List.of(toSendMessageResult(result)));
 427                 } catch (UnregisteredRecipientException e) {
 428                     results.put(recipient,
 429                             List.of(SendMessageResult.unregisteredFailure(single.toPartialRecipientAddress())));
 430                 }
 431             } else if (recipient instanceof RecipientIdentifier.Group) {
 432                 final var groupId = ((RecipientIdentifier.Group) recipient).groupId();
 433                 final var message = new SignalServiceTypingMessage(action, timestamp, Optional.of(groupId.serialize()));
 434                 final var result = context.getSendHelper().sendGroupTypingMessage(message, groupId);
 435                 results.put(recipient, result.stream().map(this::toSendMessageResult).toList());
 436             }
 437         }
 438         return new SendMessageResults(timestamp, results);
 439     }
 440
 441     @Override
 442     public SendMessageResults sendTypingMessage(
 443             TypingAction action, Set<RecipientIdentifier> recipients
 444     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 445         return sendTypingMessage(action.toSignalService(), recipients);
 446     }
 447
 448     @Override
 449     public SendMessageResults sendReadReceipt(
 450             RecipientIdentifier.Single sender, List<Long> messageIds
 451     ) throws IOException {
 452         final var timestamp = System.currentTimeMillis();
 453         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.READ,
 454                 messageIds,
 455                 timestamp);
 456
 457         return sendReceiptMessage(sender, timestamp, receiptMessage);
 458     }
 459
 460     @Override
 461     public SendMessageResults sendViewedReceipt(
 462             RecipientIdentifier.Single sender, List<Long> messageIds
 463     ) throws IOException {
 464         final var timestamp = System.currentTimeMillis();
 465         var receiptMessage = new SignalServiceReceiptMessage(SignalServiceReceiptMessage.Type.VIEWED,
 466                 messageIds,
 467                 timestamp);
 468
 469         return sendReceiptMessage(sender, timestamp, receiptMessage);
 470     }
 471
 472     private SendMessageResults sendReceiptMessage(
 473             final RecipientIdentifier.Single sender,
 474             final long timestamp,
 475             final SignalServiceReceiptMessage receiptMessage
 476     ) throws IOException {
 477         try {
 478             final var result = context.getSendHelper()
 479                     .sendReceiptMessage(receiptMessage, context.getRecipientHelper().resolveRecipient(sender));
 480             return new SendMessageResults(timestamp, Map.of(sender, List.of(toSendMessageResult(result))));
 481         } catch (UnregisteredRecipientException e) {
 482             return new SendMessageResults(timestamp,
 483                     Map.of(sender, List.of(SendMessageResult.unregisteredFailure(sender.toPartialRecipientAddress()))));
 484         }
 485     }
 486
 487     @Override
 488     public SendMessageResults sendMessage(
 489             Message message, Set<RecipientIdentifier> recipients
 490     ) throws IOException, AttachmentInvalidException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException, InvalidStickerException {
 491         final var messageBuilder = SignalServiceDataMessage.newBuilder();
 492         applyMessage(messageBuilder, message);
 493         return sendMessage(messageBuilder, recipients);
 494     }
 495
 496     private void applyMessage(
 497             final SignalServiceDataMessage.Builder messageBuilder, final Message message
 498     ) throws AttachmentInvalidException, IOException, UnregisteredRecipientException, InvalidStickerException {
 499         messageBuilder.withBody(message.messageText());
 500         final var attachments = message.attachments();
 501         if (attachments != null) {
 502             messageBuilder.withAttachments(context.getAttachmentHelper().uploadAttachments(attachments));
 503         }
 504         if (message.mentions().size() > 0) {
 505             messageBuilder.withMentions(resolveMentions(message.mentions()));
 506         }
 507         if (message.quote().isPresent()) {
 508             final var quote = message.quote().get();
 509             messageBuilder.withQuote(new SignalServiceDataMessage.Quote(quote.timestamp(),
 510                     context.getRecipientHelper()
 511                             .resolveSignalServiceAddress(context.getRecipientHelper().resolveRecipient(quote.author())),
 512                     quote.message(),
 513                     List.of(),
 514                     resolveMentions(quote.mentions())));
 515         }
 516         if (message.sticker().isPresent()) {
 517             final var sticker = message.sticker().get();
 518             final var packId = StickerPackId.deserialize(sticker.packId());
 519             final var stickerId = sticker.stickerId();
 520
 521             final var stickerPack = context.getAccount().getStickerStore().getStickerPack(packId);
 522             if (stickerPack == null || !context.getStickerPackStore().existsStickerPack(packId)) {
 523                 throw new InvalidStickerException("Sticker pack not found");
 524             }
 525             final var manifest = context.getStickerPackStore().retrieveManifest(packId);
 526             if (manifest.stickers().size() <= stickerId) {
 527                 throw new InvalidStickerException("Sticker id not part of this pack");
 528             }
 529             final var manifestSticker = manifest.stickers().get(stickerId);
 530             final var streamDetails = context.getStickerPackStore().retrieveSticker(packId, stickerId);
 531             if (streamDetails == null) {
 532                 throw new InvalidStickerException("Missing local sticker file");
 533             }
 534             messageBuilder.withSticker(new SignalServiceDataMessage.Sticker(packId.serialize(),
 535                     stickerPack.getPackKey(),
 536                     stickerId,
 537                     manifestSticker.emoji(),
 538                     AttachmentUtils.createAttachment(streamDetails, Optional.absent())));
 539         }
 540     }
 541
 542     private ArrayList<SignalServiceDataMessage.Mention> resolveMentions(final List<Message.Mention> mentionList) throws IOException, UnregisteredRecipientException {
 543         final var mentions = new ArrayList<SignalServiceDataMessage.Mention>();
 544         for (final var m : mentionList) {
 545             final var recipientId = context.getRecipientHelper().resolveRecipient(m.recipient());
 546             mentions.add(new SignalServiceDataMessage.Mention(context.getRecipientHelper()
 547                     .resolveSignalServiceAddress(recipientId)
 548                     .getAci(), m.start(), m.length()));
 549         }
 550         return mentions;
 551     }
 552
 553     @Override
 554     public SendMessageResults sendRemoteDeleteMessage(
 555             long targetSentTimestamp, Set<RecipientIdentifier> recipients
 556     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException {
 557         var delete = new SignalServiceDataMessage.RemoteDelete(targetSentTimestamp);
 558         final var messageBuilder = SignalServiceDataMessage.newBuilder().withRemoteDelete(delete);
 559         return sendMessage(messageBuilder, recipients);
 560     }
 561
 562     @Override
 563     public SendMessageResults sendMessageReaction(
 564             String emoji,
 565             boolean remove,
 566             RecipientIdentifier.Single targetAuthor,
 567             long targetSentTimestamp,
 568             Set<RecipientIdentifier> recipients
 569     ) throws IOException, NotAGroupMemberException, GroupNotFoundException, GroupSendingNotAllowedException, UnregisteredRecipientException {
 570         var targetAuthorRecipientId = context.getRecipientHelper().resolveRecipient(targetAuthor);
 571         var reaction = new SignalServiceDataMessage.Reaction(emoji,
 572                 remove,
 573                 context.getRecipientHelper().resolveSignalServiceAddress(targetAuthorRecipientId),
 574                 targetSentTimestamp);
 575         final var messageBuilder = SignalServiceDataMessage.newBuilder().withReaction(reaction);
 576         return sendMessage(messageBuilder, recipients);
 577     }
 578
 579     @Override
 580     public SendMessageResults sendEndSessionMessage(Set<RecipientIdentifier.Single> recipients) throws IOException {
 581         var messageBuilder = SignalServiceDataMessage.newBuilder().asEndSessionMessage();
 582
 583         try {
 584             return sendMessage(messageBuilder,
 585                     recipients.stream().map(RecipientIdentifier.class::cast).collect(Collectors.toSet()));
 586         } catch (GroupNotFoundException | NotAGroupMemberException | GroupSendingNotAllowedException e) {
 587             throw new AssertionError(e);
 588         } finally {
 589             for (var recipient : recipients) {
 590                 final RecipientId recipientId;
 591                 try {
 592                     recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 593                 } catch (UnregisteredRecipientException e) {
 594                     continue;
 595                 }
 596                 account.getSessionStore().deleteAllSessions(recipientId);
 597             }
 598         }
 599     }
 600
 601     @Override
 602     public void deleteRecipient(final RecipientIdentifier.Single recipient) {
 603         account.removeRecipient(account.getRecipientStore().resolveRecipient(recipient.toPartialRecipientAddress()));
 604     }
 605
 606     @Override
 607     public void deleteContact(final RecipientIdentifier.Single recipient) {
 608         account.getContactStore()
 609                 .deleteContact(account.getRecipientStore().resolveRecipient(recipient.toPartialRecipientAddress()));
 610     }
 611
 612     @Override
 613     public void setContactName(
 614             RecipientIdentifier.Single recipient, String name
 615     ) throws NotMasterDeviceException, IOException, UnregisteredRecipientException {
 616         if (!account.isMasterDevice()) {
 617             throw new NotMasterDeviceException();
 618         }
 619         context.getContactHelper().setContactName(context.getRecipientHelper().resolveRecipient(recipient), name);
 620     }
 621
 622     @Override
 623     public void setContactBlocked(
 624             RecipientIdentifier.Single recipient, boolean blocked
 625     ) throws NotMasterDeviceException, IOException, UnregisteredRecipientException {
 626         if (!account.isMasterDevice()) {
 627             throw new NotMasterDeviceException();
 628         }
 629         context.getContactHelper().setContactBlocked(context.getRecipientHelper().resolveRecipient(recipient), blocked);
 630         // TODO cycle our profile key, if we're not together in a group with recipient
 631         context.getSyncHelper().sendBlockedList();
 632     }
 633
 634     @Override
 635     public void setGroupBlocked(
 636             final GroupId groupId, final boolean blocked
 637     ) throws GroupNotFoundException, NotMasterDeviceException {
 638         if (!account.isMasterDevice()) {
 639             throw new NotMasterDeviceException();
 640         }
 641         context.getGroupHelper().setGroupBlocked(groupId, blocked);
 642         // TODO cycle our profile key
 643         context.getSyncHelper().sendBlockedList();
 644     }
 645
 646     @Override
 647     public void setExpirationTimer(
 648             RecipientIdentifier.Single recipient, int messageExpirationTimer
 649     ) throws IOException, UnregisteredRecipientException {
 650         var recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 651         context.getContactHelper().setExpirationTimer(recipientId, messageExpirationTimer);
 652         final var messageBuilder = SignalServiceDataMessage.newBuilder().asExpirationUpdate();
 653         try {
 654             sendMessage(messageBuilder, Set.of(recipient));
 655         } catch (NotAGroupMemberException | GroupNotFoundException | GroupSendingNotAllowedException e) {
 656             throw new AssertionError(e);
 657         }
 658     }
 659
 660     @Override
 661     public URI uploadStickerPack(File path) throws IOException, StickerPackInvalidException {
 662         var manifest = StickerUtils.getSignalServiceStickerManifestUpload(path);
 663
 664         var messageSender = dependencies.getMessageSender();
 665
 666         var packKey = KeyUtils.createStickerUploadKey();
 667         var packIdString = messageSender.uploadStickerManifest(manifest, packKey);
 668         var packId = StickerPackId.deserialize(Hex.fromStringCondensed(packIdString));
 669
 670         var sticker = new Sticker(packId, packKey);
 671         account.getStickerStore().updateSticker(sticker);
 672
 673         try {
 674             return new URI("https",
 675                     "signal.art",
 676                     "/addstickers/",
 677                     "pack_id="
 678                             + URLEncoder.encode(Hex.toStringCondensed(packId.serialize()), StandardCharsets.UTF_8)
 679                             + "&pack_key="
 680                             + URLEncoder.encode(Hex.toStringCondensed(packKey), StandardCharsets.UTF_8));
 681         } catch (URISyntaxException e) {
 682             throw new AssertionError(e);
 683         }
 684     }
 685
 686     @Override
 687     public List<StickerPack> getStickerPacks() {
 688         final var stickerPackStore = context.getStickerPackStore();
 689         return account.getStickerStore().getStickerPacks().stream().map(pack -> {
 690             if (stickerPackStore.existsStickerPack(pack.getPackId())) {
 691                 try {
 692                     final var manifest = stickerPackStore.retrieveManifest(pack.getPackId());
 693                     return new StickerPack(pack.getPackId(),
 694                             pack.getPackKey(),
 695                             pack.isInstalled(),
 696                             manifest.title(),
 697                             manifest.author(),
 698                             java.util.Optional.ofNullable(manifest.cover() == null ? null : manifest.cover().toApi()),
 699                             manifest.stickers().stream().map(JsonStickerPack.JsonSticker::toApi).toList());
 700                 } catch (Exception e) {
 701                     logger.warn("Failed to read local sticker pack manifest: {}", e.getMessage(), e);
 702                 }
 703             }
 704
 705             return new StickerPack(pack.getPackId(), pack.getPackKey(), pack.isInstalled());
 706         }).toList();
 707     }
 708
 709     @Override
 710     public void requestAllSyncData() throws IOException {
 711         context.getSyncHelper().requestAllSyncData();
 712         retrieveRemoteStorage();
 713     }
 714
 715     void retrieveRemoteStorage() throws IOException {
 716         if (account.getStorageKey() != null) {
 717             context.getStorageHelper().readDataFromStorage();
 718         }
 719     }
 720
 721     @Override
 722     public void addReceiveHandler(final ReceiveMessageHandler handler, final boolean isWeakListener) {
 723         if (isReceivingSynchronous) {
 724             throw new IllegalStateException("Already receiving message synchronously.");
 725         }
 726         synchronized (messageHandlers) {
 727             if (isWeakListener) {
 728                 weakHandlers.add(handler);
 729             } else {
 730                 messageHandlers.add(handler);
 731                 startReceiveThreadIfRequired();
 732             }
 733         }
 734     }
 735
 736     private void startReceiveThreadIfRequired() {
 737         if (receiveThread != null) {
 738             return;
 739         }
 740         receiveThread = new Thread(() -> {
 741             logger.debug("Starting receiving messages");
 742             while (!Thread.interrupted()) {
 743                 try {
 744                     context.getReceiveHelper().receiveMessages(Duration.ofMinutes(1), false, (envelope, e) -> {
 745                         synchronized (messageHandlers) {
 746                             Stream.concat(messageHandlers.stream(), weakHandlers.stream()).forEach(h -> {
 747                                 try {
 748                                     h.handleMessage(envelope, e);
 749                                 } catch (Exception ex) {
 750                                     logger.warn("Message handler failed, ignoring", ex);
 751                                 }
 752                             });
 753                         }
 754                     });
 755                     break;
 756                 } catch (IOException e) {
 757                     logger.warn("Receiving messages failed, retrying", e);
 758                 }
 759             }
 760             logger.debug("Finished receiving messages");
 761             synchronized (messageHandlers) {
 762                 receiveThread = null;
 763
 764                 // Check if in the meantime another handler has been registered
 765                 if (!messageHandlers.isEmpty()) {
 766                     logger.debug("Another handler has been registered, starting receive thread again");
 767                     startReceiveThreadIfRequired();
 768                 }
 769             }
 770         });
 771
 772         receiveThread.start();
 773     }
 774
 775     @Override
 776     public void removeReceiveHandler(final ReceiveMessageHandler handler) {
 777         final Thread thread;
 778         synchronized (messageHandlers) {
 779             weakHandlers.remove(handler);
 780             messageHandlers.remove(handler);
 781             if (!messageHandlers.isEmpty() || receiveThread == null || isReceivingSynchronous) {
 782                 return;
 783             }
 784             thread = receiveThread;
 785             receiveThread = null;
 786         }
 787
 788         stopReceiveThread(thread);
 789     }
 790
 791     private void stopReceiveThread(final Thread thread) {
 792         thread.interrupt();
 793         try {
 794             thread.join();
 795         } catch (InterruptedException ignored) {
 796         }
 797     }
 798
 799     @Override
 800     public boolean isReceiving() {
 801         if (isReceivingSynchronous) {
 802             return true;
 803         }
 804         synchronized (messageHandlers) {
 805             return messageHandlers.size() > 0;
 806         }
 807     }
 808
 809     @Override
 810     public void receiveMessages(Duration timeout, ReceiveMessageHandler handler) throws IOException {
 811         receiveMessages(timeout, true, handler);
 812     }
 813
 814     @Override
 815     public void receiveMessages(ReceiveMessageHandler handler) throws IOException {
 816         receiveMessages(Duration.ofMinutes(1), false, handler);
 817     }
 818
 819     private void receiveMessages(
 820             Duration timeout, boolean returnOnTimeout, ReceiveMessageHandler handler
 821     ) throws IOException {
 822         if (isReceiving()) {
 823             throw new IllegalStateException("Already receiving message.");
 824         }
 825         isReceivingSynchronous = true;
 826         receiveThread = Thread.currentThread();
 827         try {
 828             context.getReceiveHelper().receiveMessages(timeout, returnOnTimeout, handler);
 829         } finally {
 830             receiveThread = null;
 831             isReceivingSynchronous = false;
 832         }
 833     }
 834
 835     @Override
 836     public void setIgnoreAttachments(final boolean ignoreAttachments) {
 837         context.getReceiveHelper().setIgnoreAttachments(ignoreAttachments);
 838     }
 839
 840     @Override
 841     public boolean hasCaughtUpWithOldMessages() {
 842         return context.getReceiveHelper().hasCaughtUpWithOldMessages();
 843     }
 844
 845     @Override
 846     public boolean isContactBlocked(final RecipientIdentifier.Single recipient) {
 847         final RecipientId recipientId;
 848         try {
 849             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 850         } catch (IOException | UnregisteredRecipientException e) {
 851             return false;
 852         }
 853         return context.getContactHelper().isContactBlocked(recipientId);
 854     }
 855
 856     @Override
 857     public void sendContacts() throws IOException {
 858         context.getSyncHelper().sendContacts();
 859     }
 860
 861     @Override
 862     public List<Pair<RecipientAddress, Contact>> getContacts() {
 863         return account.getContactStore()
 864                 .getContacts()
 865                 .stream()
 866                 .map(p -> new Pair<>(account.getRecipientStore().resolveRecipientAddress(p.first()), p.second()))
 867                 .toList();
 868     }
 869
 870     @Override
 871     public String getContactOrProfileName(RecipientIdentifier.Single recipient) {
 872         final RecipientId recipientId;
 873         try {
 874             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 875         } catch (IOException | UnregisteredRecipientException e) {
 876             return null;
 877         }
 878
 879         final var contact = account.getContactStore().getContact(recipientId);
 880         if (contact != null && !Util.isEmpty(contact.getName())) {
 881             return contact.getName();
 882         }
 883
 884         final var profile = context.getProfileHelper().getRecipientProfile(recipientId);
 885         if (profile != null) {
 886             return profile.getDisplayName();
 887         }
 888
 889         return null;
 890     }
 891
 892     @Override
 893     public Group getGroup(GroupId groupId) {
 894         return toGroup(context.getGroupHelper().getGroup(groupId));
 895     }
 896
 897     @Override
 898     public List<Identity> getIdentities() {
 899         return account.getIdentityKeyStore().getIdentities().stream().map(this::toIdentity).toList();
 900     }
 901
 902     private Identity toIdentity(final IdentityInfo identityInfo) {
 903         if (identityInfo == null) {
 904             return null;
 905         }
 906
 907         final var address = account.getRecipientStore().resolveRecipientAddress(identityInfo.getRecipientId());
 908         final var scannableFingerprint = context.getIdentityHelper()
 909                 .computeSafetyNumberForScanning(identityInfo.getRecipientId(), identityInfo.getIdentityKey());
 910         return new Identity(address,
 911                 identityInfo.getIdentityKey(),
 912                 context.getIdentityHelper()
 913                         .computeSafetyNumber(identityInfo.getRecipientId(), identityInfo.getIdentityKey()),
 914                 scannableFingerprint == null ? null : scannableFingerprint.getSerialized(),
 915                 identityInfo.getTrustLevel(),
 916                 identityInfo.getDateAdded());
 917     }
 918
 919     @Override
 920     public List<Identity> getIdentities(RecipientIdentifier.Single recipient) {
 921         IdentityInfo identity;
 922         try {
 923             identity = account.getIdentityKeyStore()
 924                     .getIdentity(context.getRecipientHelper().resolveRecipient(recipient));
 925         } catch (IOException | UnregisteredRecipientException e) {
 926             identity = null;
 927         }
 928         return identity == null ? List.of() : List.of(toIdentity(identity));
 929     }
 930
 931     @Override
 932     public boolean trustIdentityVerified(
 933             RecipientIdentifier.Single recipient, byte[] fingerprint
 934     ) throws UnregisteredRecipientException {
 935         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityVerified(r, fingerprint));
 936     }
 937
 938     @Override
 939     public boolean trustIdentityVerifiedSafetyNumber(
 940             RecipientIdentifier.Single recipient, String safetyNumber
 941     ) throws UnregisteredRecipientException {
 942         return trustIdentity(recipient,
 943                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
 944     }
 945
 946     @Override
 947     public boolean trustIdentityVerifiedSafetyNumber(
 948             RecipientIdentifier.Single recipient, byte[] safetyNumber
 949     ) throws UnregisteredRecipientException {
 950         return trustIdentity(recipient,
 951                 r -> context.getIdentityHelper().trustIdentityVerifiedSafetyNumber(r, safetyNumber));
 952     }
 953
 954     @Override
 955     public boolean trustIdentityAllKeys(RecipientIdentifier.Single recipient) throws UnregisteredRecipientException {
 956         return trustIdentity(recipient, r -> context.getIdentityHelper().trustIdentityAllKeys(r));
 957     }
 958
 959     private boolean trustIdentity(
 960             RecipientIdentifier.Single recipient, Function<RecipientId, Boolean> trustMethod
 961     ) throws UnregisteredRecipientException {
 962         RecipientId recipientId;
 963         try {
 964             recipientId = context.getRecipientHelper().resolveRecipient(recipient);
 965         } catch (IOException e) {
 966             return false;
 967         }
 968         final var updated = trustMethod.apply(recipientId);
 969         if (updated && this.isReceiving()) {
 970             context.getReceiveHelper().setNeedsToRetryFailedMessages(true);
 971         }
 972         return updated;
 973     }
 974
 975     @Override
 976     public void addClosedListener(final Runnable listener) {
 977         synchronized (closedListeners) {
 978             closedListeners.add(listener);
 979         }
 980     }
 981
 982     @Override
 983     public void close() {
 984         Thread thread;
 985         synchronized (messageHandlers) {
 986             weakHandlers.clear();
 987             messageHandlers.clear();
 988             thread = receiveThread;
 989             receiveThread = null;
 990         }
 991         if (thread != null) {
 992             stopReceiveThread(thread);
 993         }
 994         executor.shutdown();
 995
 996         dependencies.getSignalWebSocket().disconnect();
 997
 998         synchronized (closedListeners) {
 999             closedListeners.forEach(Runnable::run);
1000             closedListeners.clear();
1001         }
1002
1003         if (account != null) {
1004             account.close();
1005         }
1006         account = null;
1007     }
1008 }