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