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

   1 package org.asamk.signal;
   2
   3 import org.asamk.signal.manager.Manager;
   4 import org.asamk.signal.manager.groups.GroupId;
   5 import org.asamk.signal.manager.groups.GroupUtils;
   6 import org.asamk.signal.manager.storage.contacts.ContactInfo;
   7 import org.asamk.signal.manager.storage.groups.GroupInfo;
   8 import org.asamk.signal.util.DateUtils;
   9 import org.asamk.signal.util.Util;
  10 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
  11 import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentPointer;
  12 import org.whispersystems.signalservice.api.messages.SignalServiceContent;
  13 import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
  14 import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
  15 import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
  16 import org.whispersystems.signalservice.api.messages.SignalServiceGroupContext;
  17 import org.whispersystems.signalservice.api.messages.SignalServiceGroupV2;
  18 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  19 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  20 import org.whispersystems.signalservice.api.messages.calls.AnswerMessage;
  21 import org.whispersystems.signalservice.api.messages.calls.BusyMessage;
  22 import org.whispersystems.signalservice.api.messages.calls.HangupMessage;
  23 import org.whispersystems.signalservice.api.messages.calls.IceUpdateMessage;
  24 import org.whispersystems.signalservice.api.messages.calls.OfferMessage;
  25 import org.whispersystems.signalservice.api.messages.calls.SignalServiceCallMessage;
  26 import org.whispersystems.signalservice.api.messages.multidevice.BlockedListMessage;
  27 import org.whispersystems.signalservice.api.messages.multidevice.ConfigurationMessage;
  28 import org.whispersystems.signalservice.api.messages.multidevice.ContactsMessage;
  29 import org.whispersystems.signalservice.api.messages.multidevice.KeysMessage;
  30 import org.whispersystems.signalservice.api.messages.multidevice.MessageRequestResponseMessage;
  31 import org.whispersystems.signalservice.api.messages.multidevice.ReadMessage;
  32 import org.whispersystems.signalservice.api.messages.multidevice.SentTranscriptMessage;
  33 import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
  34 import org.whispersystems.signalservice.api.messages.multidevice.StickerPackOperationMessage;
  35 import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage;
  36 import org.whispersystems.signalservice.api.messages.multidevice.ViewOnceOpenMessage;
  37 import org.whispersystems.signalservice.api.messages.shared.SharedContact;
  38 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  39 import org.whispersystems.util.Base64;
  40
  41 import java.io.File;
  42 import java.util.List;
  43
  44 public class ReceiveMessageHandler implements Manager.ReceiveMessageHandler {
  45
  46     final Manager m;
  47
  48     public ReceiveMessageHandler(Manager m) {
  49         this.m = m;
  50     }
  51
  52     @Override
  53     public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
  54         if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
  55             SignalServiceAddress source = envelope.getSourceAddress();
  56             ContactInfo sourceContact = m.getContact(source.getLegacyIdentifier());
  57             System.out.println(String.format("Envelope from: %s (device: %d)",
  58                     (sourceContact == null ? "" : "“" + sourceContact.name + "” ") + source.getLegacyIdentifier(),
  59                     envelope.getSourceDevice()));
  60             if (source.getRelay().isPresent()) {
  61                 System.out.println("Relayed by: " + source.getRelay().get());
  62             }
  63         } else {
  64             System.out.println("Envelope from: unknown source");
  65         }
  66         System.out.println("Timestamp: " + DateUtils.formatTimestamp(envelope.getTimestamp()));
  67         if (envelope.isUnidentifiedSender()) {
  68             System.out.println("Sent by unidentified/sealed sender");
  69         }
  70
  71         if (envelope.isReceipt()) {
  72             System.out.println("Got receipt.");
  73         } else if (envelope.isSignalMessage() || envelope.isPreKeySignalMessage() || envelope.isUnidentifiedSender()) {
  74             if (exception != null) {
  75                 if (exception instanceof org.whispersystems.libsignal.UntrustedIdentityException) {
  76                     org.whispersystems.libsignal.UntrustedIdentityException e = (org.whispersystems.libsignal.UntrustedIdentityException) exception;
  77                     System.out.println(
  78                             "The user’s key is untrusted, either the user has reinstalled Signal or a third party sent this message.");
  79                     System.out.println("Use 'signal-cli -u "
  80                             + m.getUsername()
  81                             + " listIdentities -n "
  82                             + e.getName()
  83                             + "', verify the key and run 'signal-cli -u "
  84                             + m.getUsername()
  85                             + " trust -v \"FINGER_PRINT\" "
  86                             + e.getName()
  87                             + "' to mark it as trusted");
  88                     System.out.println("If you don't care about security, use 'signal-cli -u "
  89                             + m.getUsername()
  90                             + " trust -a "
  91                             + e.getName()
  92                             + "' to trust it without verification");
  93                 } else {
  94                     System.out.println("Exception: " + exception.getMessage() + " (" + exception.getClass()
  95                             .getSimpleName() + ")");
  96                 }
  97             }
  98             if (content == null) {
  99                 System.out.println("Failed to decrypt message.");
 100             } else {
 101                 ContactInfo sourceContact = m.getContact(content.getSender().getLegacyIdentifier());
 102                 System.out.println(String.format("Sender: %s (device: %d)",
 103                         (sourceContact == null ? "" : "“" + sourceContact.name + "” ") + content.getSender()
 104                                 .getLegacyIdentifier(),
 105                         content.getSenderDevice()));
 106                 if (content.getDataMessage().isPresent()) {
 107                     SignalServiceDataMessage message = content.getDataMessage().get();
 108                     handleSignalServiceDataMessage(message);
 109                 }
 110                 if (content.getSyncMessage().isPresent()) {
 111                     System.out.println("Received a sync message");
 112                     SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
 113
 114                     if (syncMessage.getContacts().isPresent()) {
 115                         final ContactsMessage contactsMessage = syncMessage.getContacts().get();
 116                         if (contactsMessage.isComplete()) {
 117                             System.out.println("Received complete sync contacts");
 118                         } else {
 119                             System.out.println("Received sync contacts");
 120                         }
 121                         printAttachment(contactsMessage.getContactsStream());
 122                     }
 123                     if (syncMessage.getGroups().isPresent()) {
 124                         System.out.println("Received sync groups");
 125                         printAttachment(syncMessage.getGroups().get());
 126                     }
 127                     if (syncMessage.getRead().isPresent()) {
 128                         System.out.println("Received sync read messages list");
 129                         for (ReadMessage rm : syncMessage.getRead().get()) {
 130                             ContactInfo fromContact = m.getContact(rm.getSender().getLegacyIdentifier());
 131                             System.out.println("From: "
 132                                     + (fromContact == null ? "" : "“" + fromContact.name + "” ")
 133                                     + rm.getSender().getLegacyIdentifier()
 134                                     + " Message timestamp: "
 135                                     + DateUtils.formatTimestamp(rm.getTimestamp()));
 136                         }
 137                     }
 138                     if (syncMessage.getRequest().isPresent()) {
 139                         System.out.println("Received sync request");
 140                         if (syncMessage.getRequest().get().isContactsRequest()) {
 141                             System.out.println(" - contacts request");
 142                         }
 143                         if (syncMessage.getRequest().get().isGroupsRequest()) {
 144                             System.out.println(" - groups request");
 145                         }
 146                         if (syncMessage.getRequest().get().isBlockedListRequest()) {
 147                             System.out.println(" - blocked list request");
 148                         }
 149                         if (syncMessage.getRequest().get().isConfigurationRequest()) {
 150                             System.out.println(" - configuration request");
 151                         }
 152                         if (syncMessage.getRequest().get().isKeysRequest()) {
 153                             System.out.println(" - keys request");
 154                         }
 155                     }
 156                     if (syncMessage.getSent().isPresent()) {
 157                         System.out.println("Received sync sent message");
 158                         final SentTranscriptMessage sentTranscriptMessage = syncMessage.getSent().get();
 159                         String to;
 160                         if (sentTranscriptMessage.getDestination().isPresent()) {
 161                             String dest = sentTranscriptMessage.getDestination().get().getLegacyIdentifier();
 162                             ContactInfo destContact = m.getContact(dest);
 163                             to = (destContact == null ? "" : "“" + destContact.name + "” ") + dest;
 164                         } else if (sentTranscriptMessage.getRecipients().size() > 0) {
 165                             StringBuilder toBuilder = new StringBuilder();
 166                             for (SignalServiceAddress dest : sentTranscriptMessage.getRecipients()) {
 167                                 ContactInfo destContact = m.getContact(dest.getLegacyIdentifier());
 168                                 toBuilder.append(destContact == null ? "" : "“" + destContact.name + "” ")
 169                                         .append(dest.getLegacyIdentifier())
 170                                         .append(" ");
 171                             }
 172                             to = toBuilder.toString();
 173                         } else {
 174                             to = "Unknown";
 175                         }
 176                         System.out.println("To: " + to + " , Message timestamp: " + DateUtils.formatTimestamp(
 177                                 sentTranscriptMessage.getTimestamp()));
 178                         if (sentTranscriptMessage.getExpirationStartTimestamp() > 0) {
 179                             System.out.println("Expiration started at: " + DateUtils.formatTimestamp(
 180                                     sentTranscriptMessage.getExpirationStartTimestamp()));
 181                         }
 182                         SignalServiceDataMessage message = sentTranscriptMessage.getMessage();
 183                         handleSignalServiceDataMessage(message);
 184                     }
 185                     if (syncMessage.getBlockedList().isPresent()) {
 186                         System.out.println("Received sync message with block list");
 187                         System.out.println("Blocked numbers:");
 188                         final BlockedListMessage blockedList = syncMessage.getBlockedList().get();
 189                         for (SignalServiceAddress address : blockedList.getAddresses()) {
 190                             System.out.println(" - " + address.getLegacyIdentifier());
 191                         }
 192                     }
 193                     if (syncMessage.getVerified().isPresent()) {
 194                         System.out.println("Received sync message with verified identities:");
 195                         final VerifiedMessage verifiedMessage = syncMessage.getVerified().get();
 196                         System.out.println(" - "
 197                                 + verifiedMessage.getDestination()
 198                                 + ": "
 199                                 + verifiedMessage.getVerified());
 200                         String safetyNumber = Util.formatSafetyNumber(m.computeSafetyNumber(verifiedMessage.getDestination(),
 201                                 verifiedMessage.getIdentityKey()));
 202                         System.out.println("   " + safetyNumber);
 203                     }
 204                     if (syncMessage.getConfiguration().isPresent()) {
 205                         System.out.println("Received sync message with configuration:");
 206                         final ConfigurationMessage configurationMessage = syncMessage.getConfiguration().get();
 207                         if (configurationMessage.getReadReceipts().isPresent()) {
 208                             System.out.println(" - Read receipts: " + (
 209                                     configurationMessage.getReadReceipts().get() ? "enabled" : "disabled"
 210                             ));
 211                         }
 212                         if (configurationMessage.getLinkPreviews().isPresent()) {
 213                             System.out.println(" - Link previews: " + (
 214                                     configurationMessage.getLinkPreviews().get() ? "enabled" : "disabled"
 215                             ));
 216                         }
 217                         if (configurationMessage.getTypingIndicators().isPresent()) {
 218                             System.out.println(" - Typing indicators: " + (
 219                                     configurationMessage.getTypingIndicators().get() ? "enabled" : "disabled"
 220                             ));
 221                         }
 222                         if (configurationMessage.getUnidentifiedDeliveryIndicators().isPresent()) {
 223                             System.out.println(" - Unidentified Delivery Indicators: " + (
 224                                     configurationMessage.getUnidentifiedDeliveryIndicators().get()
 225                                             ? "enabled"
 226                                             : "disabled"
 227                             ));
 228                         }
 229                     }
 230                     if (syncMessage.getFetchType().isPresent()) {
 231                         final SignalServiceSyncMessage.FetchType fetchType = syncMessage.getFetchType().get();
 232                         System.out.println("Received sync message with fetch type: " + fetchType.toString());
 233                     }
 234                     if (syncMessage.getViewOnceOpen().isPresent()) {
 235                         final ViewOnceOpenMessage viewOnceOpenMessage = syncMessage.getViewOnceOpen().get();
 236                         System.out.println("Received sync message with view once open message:");
 237                         System.out.println(" - Sender:" + viewOnceOpenMessage.getSender().getLegacyIdentifier());
 238                         System.out.println(" - Timestamp:" + viewOnceOpenMessage.getTimestamp());
 239                     }
 240                     if (syncMessage.getStickerPackOperations().isPresent()) {
 241                         final List<StickerPackOperationMessage> stickerPackOperationMessages = syncMessage.getStickerPackOperations()
 242                                 .get();
 243                         System.out.println("Received sync message with sticker pack operations:");
 244                         for (StickerPackOperationMessage m : stickerPackOperationMessages) {
 245                             System.out.println(" - " + m.getType().toString());
 246                             if (m.getPackId().isPresent()) {
 247                                 System.out.println("   packId: " + Base64.encodeBytes(m.getPackId().get()));
 248                             }
 249                             if (m.getPackKey().isPresent()) {
 250                                 System.out.println("   packKey: " + Base64.encodeBytes(m.getPackKey().get()));
 251                             }
 252                         }
 253                     }
 254                     if (syncMessage.getMessageRequestResponse().isPresent()) {
 255                         final MessageRequestResponseMessage requestResponseMessage = syncMessage.getMessageRequestResponse()
 256                                 .get();
 257                         System.out.println("Received message request response:");
 258                         System.out.println("  Type: " + requestResponseMessage.getType());
 259                         if (requestResponseMessage.getGroupId().isPresent()) {
 260                             System.out.println("  Group id: " + Base64.encodeBytes(requestResponseMessage.getGroupId()
 261                                     .get()));
 262                         }
 263                         if (requestResponseMessage.getPerson().isPresent()) {
 264                             System.out.println("  Person: " + requestResponseMessage.getPerson()
 265                                     .get()
 266                                     .getLegacyIdentifier());
 267                         }
 268                     }
 269                     if (syncMessage.getKeys().isPresent()) {
 270                         final KeysMessage keysMessage = syncMessage.getKeys().get();
 271                         System.out.println("Received sync message with keys:");
 272                         if (keysMessage.getStorageService().isPresent()) {
 273                             System.out.println("  With storage key length: " + keysMessage.getStorageService()
 274                                     .get()
 275                                     .serialize().length);
 276                         } else {
 277                             System.out.println("  With empty storage key");
 278                         }
 279                     }
 280                 }
 281                 if (content.getCallMessage().isPresent()) {
 282                     System.out.println("Received a call message");
 283                     SignalServiceCallMessage callMessage = content.getCallMessage().get();
 284                     if (callMessage.getAnswerMessage().isPresent()) {
 285                         AnswerMessage answerMessage = callMessage.getAnswerMessage().get();
 286                         System.out.println("Answer message: " + answerMessage.getId() + ": " + answerMessage.getSdp());
 287                     }
 288                     if (callMessage.getBusyMessage().isPresent()) {
 289                         BusyMessage busyMessage = callMessage.getBusyMessage().get();
 290                         System.out.println("Busy message: " + busyMessage.getId());
 291                     }
 292                     if (callMessage.getHangupMessage().isPresent()) {
 293                         HangupMessage hangupMessage = callMessage.getHangupMessage().get();
 294                         System.out.println("Hangup message: " + hangupMessage.getId());
 295                     }
 296                     if (callMessage.getIceUpdateMessages().isPresent()) {
 297                         List<IceUpdateMessage> iceUpdateMessages = callMessage.getIceUpdateMessages().get();
 298                         for (IceUpdateMessage iceUpdateMessage : iceUpdateMessages) {
 299                             System.out.println("Ice update message: "
 300                                     + iceUpdateMessage.getId()
 301                                     + ", sdp: "
 302                                     + iceUpdateMessage.getSdp());
 303                         }
 304                     }
 305                     if (callMessage.getOfferMessage().isPresent()) {
 306                         OfferMessage offerMessage = callMessage.getOfferMessage().get();
 307                         System.out.println("Offer message: " + offerMessage.getId() + ": " + offerMessage.getSdp());
 308                     }
 309                 }
 310                 if (content.getReceiptMessage().isPresent()) {
 311                     System.out.println("Received a receipt message");
 312                     SignalServiceReceiptMessage receiptMessage = content.getReceiptMessage().get();
 313                     System.out.println(" - When: " + DateUtils.formatTimestamp(receiptMessage.getWhen()));
 314                     if (receiptMessage.isDeliveryReceipt()) {
 315                         System.out.println(" - Is delivery receipt");
 316                     }
 317                     if (receiptMessage.isReadReceipt()) {
 318                         System.out.println(" - Is read receipt");
 319                     }
 320                     System.out.println(" - Timestamps:");
 321                     for (long timestamp : receiptMessage.getTimestamps()) {
 322                         System.out.println("    " + DateUtils.formatTimestamp(timestamp));
 323                     }
 324                 }
 325                 if (content.getTypingMessage().isPresent()) {
 326                     System.out.println("Received a typing message");
 327                     SignalServiceTypingMessage typingMessage = content.getTypingMessage().get();
 328                     System.out.println(" - Action: " + typingMessage.getAction());
 329                     System.out.println(" - Timestamp: " + DateUtils.formatTimestamp(typingMessage.getTimestamp()));
 330                     if (typingMessage.getGroupId().isPresent()) {
 331                         System.out.println(" - Group Info:");
 332                         final GroupId groupId = GroupId.unknownVersion(typingMessage.getGroupId().get());
 333                         System.out.println("   Id: " + groupId.toBase64());
 334                         GroupInfo group = m.getGroup(groupId);
 335                         if (group != null) {
 336                             System.out.println("   Name: " + group.getTitle());
 337                         } else {
 338                             System.out.println("   Name: <Unknown group>");
 339                         }
 340                     }
 341                 }
 342             }
 343         } else {
 344             System.out.println("Unknown message received.");
 345         }
 346         System.out.println();
 347     }
 348
 349     private void handleSignalServiceDataMessage(SignalServiceDataMessage message) {
 350         System.out.println("Message timestamp: " + DateUtils.formatTimestamp(message.getTimestamp()));
 351         if (message.isViewOnce()) {
 352             System.out.println("=VIEW ONCE=");
 353         }
 354
 355         if (message.getBody().isPresent()) {
 356             System.out.println("Body: " + message.getBody().get());
 357         }
 358         if (message.getGroupContext().isPresent()) {
 359             System.out.println("Group info:");
 360             final SignalServiceGroupContext groupContext = message.getGroupContext().get();
 361             final GroupId groupId = GroupUtils.getGroupId(groupContext);
 362             if (groupContext.getGroupV1().isPresent()) {
 363                 SignalServiceGroup groupInfo = groupContext.getGroupV1().get();
 364                 System.out.println("  Id: " + groupId.toBase64());
 365                 if (groupInfo.getType() == SignalServiceGroup.Type.UPDATE && groupInfo.getName().isPresent()) {
 366                     System.out.println("  Name: " + groupInfo.getName().get());
 367                 } else {
 368                     GroupInfo group = m.getGroup(groupId);
 369                     if (group != null) {
 370                         System.out.println("  Name: " + group.getTitle());
 371                     } else {
 372                         System.out.println("  Name: <Unknown group>");
 373                     }
 374                 }
 375                 System.out.println("  Type: " + groupInfo.getType());
 376                 if (groupInfo.getMembers().isPresent()) {
 377                     for (SignalServiceAddress member : groupInfo.getMembers().get()) {
 378                         System.out.println("  Member: " + member.getLegacyIdentifier());
 379                     }
 380                 }
 381                 if (groupInfo.getAvatar().isPresent()) {
 382                     System.out.println("  Avatar:");
 383                     printAttachment(groupInfo.getAvatar().get());
 384                 }
 385             } else if (groupContext.getGroupV2().isPresent()) {
 386                 final SignalServiceGroupV2 groupInfo = groupContext.getGroupV2().get();
 387                 System.out.println("  Id: " + groupId.toBase64());
 388                 GroupInfo group = m.getGroup(groupId);
 389                 if (group != null) {
 390                     System.out.println("  Name: " + group.getTitle());
 391                 } else {
 392                     System.out.println("  Name: <Unknown group>");
 393                 }
 394                 System.out.println("  Revision: " + groupInfo.getRevision());
 395                 System.out.println("  Master key length: " + groupInfo.getMasterKey().serialize().length);
 396                 System.out.println("  Has signed group change: " + groupInfo.hasSignedGroupChange());
 397             }
 398         }
 399         if (message.getPreviews().isPresent()) {
 400             final List<SignalServiceDataMessage.Preview> previews = message.getPreviews().get();
 401             System.out.println("Previews:");
 402             for (SignalServiceDataMessage.Preview preview : previews) {
 403                 System.out.println(" - Title: " + preview.getTitle());
 404                 System.out.println(" - Url: " + preview.getUrl());
 405                 if (preview.getImage().isPresent()) {
 406                     printAttachment(preview.getImage().get());
 407                 }
 408             }
 409         }
 410         if (message.getSharedContacts().isPresent()) {
 411             final List<SharedContact> sharedContacts = message.getSharedContacts().get();
 412             System.out.println("Contacts:");
 413             for (SharedContact contact : sharedContacts) {
 414                 System.out.println(" - Name: " + contact.getName());
 415                 // TODO show or store rest of the contact info
 416             }
 417         }
 418         if (message.getSticker().isPresent()) {
 419             final SignalServiceDataMessage.Sticker sticker = message.getSticker().get();
 420             System.out.println("Sticker:");
 421             System.out.println(" - Pack id: " + Base64.encodeBytes(sticker.getPackId()));
 422             System.out.println(" - Pack key: " + Base64.encodeBytes(sticker.getPackKey()));
 423             System.out.println(" - Sticker id: " + sticker.getStickerId());
 424             // TODO also download sticker image ??
 425         }
 426         if (message.isEndSession()) {
 427             System.out.println("Is end session");
 428         }
 429         if (message.isExpirationUpdate()) {
 430             System.out.println("Is Expiration update: " + message.isExpirationUpdate());
 431         }
 432         if (message.getExpiresInSeconds() > 0) {
 433             System.out.println("Expires in: " + message.getExpiresInSeconds() + " seconds");
 434         }
 435         if (message.getProfileKey().isPresent()) {
 436             System.out.println("Profile key update, key length:" + message.getProfileKey().get().length);
 437         }
 438
 439         if (message.getReaction().isPresent()) {
 440             final SignalServiceDataMessage.Reaction reaction = message.getReaction().get();
 441             System.out.println("Reaction:");
 442             System.out.println(" - Emoji: " + reaction.getEmoji());
 443             System.out.println(" - Target author: " + m.resolveSignalServiceAddress(reaction.getTargetAuthor())
 444                     .getLegacyIdentifier());
 445             System.out.println(" - Target timestamp: " + reaction.getTargetSentTimestamp());
 446             System.out.println(" - Is remove: " + reaction.isRemove());
 447         }
 448
 449         if (message.getQuote().isPresent()) {
 450             SignalServiceDataMessage.Quote quote = message.getQuote().get();
 451             System.out.println("Quote: (" + quote.getId() + ")");
 452             System.out.println(" Author: " + m.resolveSignalServiceAddress(quote.getAuthor()).getLegacyIdentifier());
 453             System.out.println(" Text: " + quote.getText());
 454             if (quote.getMentions() != null && quote.getMentions().size() > 0) {
 455                 System.out.println(" Mentions: ");
 456                 for (SignalServiceDataMessage.Mention mention : quote.getMentions()) {
 457                     printMention(mention, m);
 458                 }
 459             }
 460             if (quote.getAttachments().size() > 0) {
 461                 System.out.println(" Attachments: ");
 462                 for (SignalServiceDataMessage.Quote.QuotedAttachment attachment : quote.getAttachments()) {
 463                     System.out.println(" - Filename: " + attachment.getFileName());
 464                     System.out.println("   Type: " + attachment.getContentType());
 465                     System.out.println("   Thumbnail:");
 466                     if (attachment.getThumbnail() != null) {
 467                         printAttachment(attachment.getThumbnail());
 468                     }
 469                 }
 470             }
 471         }
 472
 473         if (message.getRemoteDelete().isPresent()) {
 474             final SignalServiceDataMessage.RemoteDelete remoteDelete = message.getRemoteDelete().get();
 475             System.out.println("Remote delete message: timestamp = " + remoteDelete.getTargetSentTimestamp());
 476         }
 477         if (message.getMentions().isPresent()) {
 478             System.out.println("Mentions: ");
 479             for (SignalServiceDataMessage.Mention mention : message.getMentions().get()) {
 480                 printMention(mention, m);
 481             }
 482         }
 483
 484         if (message.getAttachments().isPresent()) {
 485             System.out.println("Attachments: ");
 486             for (SignalServiceAttachment attachment : message.getAttachments().get()) {
 487                 printAttachment(attachment);
 488             }
 489         }
 490     }
 491
 492     private void printMention(SignalServiceDataMessage.Mention mention, Manager m) {
 493         System.out.println("- " + m.resolveSignalServiceAddress(new SignalServiceAddress(mention.getUuid(), null))
 494                 .getLegacyIdentifier() + ": " + mention.getStart() + " (length: " + mention.getLength() + ")");
 495     }
 496
 497     private void printAttachment(SignalServiceAttachment attachment) {
 498         System.out.println("- " + attachment.getContentType() + " (" + (attachment.isPointer() ? "Pointer" : "") + (
 499                 attachment.isStream() ? "Stream" : ""
 500         ) + ")");
 501         if (attachment.isPointer()) {
 502             final SignalServiceAttachmentPointer pointer = attachment.asPointer();
 503             System.out.println("  Id: " + pointer.getRemoteId() + " Key length: " + pointer.getKey().length);
 504             System.out.println("  Filename: " + (
 505                     pointer.getFileName().isPresent() ? pointer.getFileName().get() : "-"
 506             ));
 507             System.out.println("  Size: " + (
 508                     pointer.getSize().isPresent() ? pointer.getSize().get() + " bytes" : "<unavailable>"
 509             ) + (
 510                     pointer.getPreview().isPresent() ? " (Preview is available: "
 511                             + pointer.getPreview().get().length
 512                             + " bytes)" : ""
 513             ));
 514             System.out.println("  Voice note: " + (pointer.getVoiceNote() ? "yes" : "no"));
 515             System.out.println("  Dimensions: " + pointer.getWidth() + "x" + pointer.getHeight());
 516             File file = m.getAttachmentFile(pointer.getRemoteId());
 517             if (file.exists()) {
 518                 System.out.println("  Stored plaintext in: " + file);
 519             }
 520         }
 521     }
 522 }