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.UntrustedIdentityException;
   5 import org.asamk.signal.manager.api.RecipientIdentifier;
   6 import org.asamk.signal.manager.groups.GroupId;
   7 import org.asamk.signal.manager.groups.GroupUtils;
   8 import org.asamk.signal.util.DateUtils;
   9 import org.slf4j.helpers.MessageFormatter;
  10 import org.whispersystems.libsignal.protocol.DecryptionErrorMessage;
  11 import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
  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.SignalServiceGroupContext;
  16 import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
  17 import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
  18 import org.whispersystems.signalservice.api.messages.calls.SignalServiceCallMessage;
  19 import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
  20 import org.whispersystems.signalservice.api.messages.shared.SharedContact;
  21 import org.whispersystems.signalservice.api.push.SignalServiceAddress;
  22
  23 import java.util.ArrayList;
  24 import java.util.Base64;
  25 import java.util.stream.Collectors;
  26
  27 import static org.asamk.signal.util.Util.getLegacyIdentifier;
  28
  29 public class ReceiveMessageHandler implements Manager.ReceiveMessageHandler {
  30
  31     final Manager m;
  32     final PlainTextWriter writer;
  33
  34     public ReceiveMessageHandler(Manager m, final PlainTextWriter writer) {
  35         this.m = m;
  36         this.writer = writer;
  37     }
  38
  39     @Override
  40     public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
  41         if (envelope.hasSourceUuid()) {
  42             var source = envelope.getSourceAddress();
  43             writer.println("Envelope from: {} (device: {})", formatContact(source), envelope.getSourceDevice());
  44         } else {
  45             writer.println("Envelope from: unknown source");
  46         }
  47         writer.println("Timestamp: {}", DateUtils.formatTimestamp(envelope.getTimestamp()));
  48         if (envelope.isUnidentifiedSender()) {
  49             writer.println("Sent by unidentified/sealed sender");
  50         }
  51
  52         if (envelope.isReceipt()) {
  53             writer.println("Got receipt.");
  54         } else if (envelope.isSignalMessage() || envelope.isPreKeySignalMessage() || envelope.isUnidentifiedSender()) {
  55             if (exception != null) {
  56                 if (exception instanceof UntrustedIdentityException) {
  57                     var e = (UntrustedIdentityException) exception;
  58                     writer.println(
  59                             "The user’s key is untrusted, either the user has reinstalled Signal or a third party sent this message.");
  60                     final var recipientName = getLegacyIdentifier(m.resolveSignalServiceAddress(e.getSender()));
  61                     writer.println(
  62                             "Use 'signal-cli -u {} listIdentities -n {}', verify the key and run 'signal-cli -u {} trust -v \"FINGER_PRINT\" {}' to mark it as trusted",
  63                             m.getSelfNumber(),
  64                             recipientName,
  65                             m.getSelfNumber(),
  66                             recipientName);
  67                     writer.println(
  68                             "If you don't care about security, use 'signal-cli -u {} trust -a {}' to trust it without verification",
  69                             m.getSelfNumber(),
  70                             recipientName);
  71                 } else {
  72                     writer.println("Exception: {} ({})", exception.getMessage(), exception.getClass().getSimpleName());
  73                 }
  74             }
  75             if (content == null) {
  76                 writer.println("No message content");
  77             } else {
  78                 writer.println("Sender: {} (device: {})",
  79                         formatContact(content.getSender()),
  80                         content.getSenderDevice());
  81                 writer.println("Server timestamps: received: {} delivered: {}",
  82                         DateUtils.formatTimestamp(content.getServerReceivedTimestamp()),
  83                         DateUtils.formatTimestamp(content.getServerDeliveredTimestamp()));
  84
  85                 if (content.getSenderKeyDistributionMessage().isPresent()) {
  86                     final var message = content.getSenderKeyDistributionMessage().get();
  87                     writer.println("Received a sender key distribution message for distributionId {}",
  88                             message.getDistributionId());
  89                 }
  90
  91                 if (content.getDataMessage().isPresent()) {
  92                     var message = content.getDataMessage().get();
  93                     printDataMessage(writer, message);
  94                 }
  95                 if (content.getSyncMessage().isPresent()) {
  96                     writer.println("Received a sync message");
  97                     var syncMessage = content.getSyncMessage().get();
  98                     printSyncMessage(writer, syncMessage);
  99                 }
 100
 101                 if (content.getCallMessage().isPresent()) {
 102                     writer.println("Received a call message");
 103                     var callMessage = content.getCallMessage().get();
 104                     printCallMessage(writer.indentedWriter(), callMessage);
 105                 }
 106                 if (content.getReceiptMessage().isPresent()) {
 107                     writer.println("Received a receipt message");
 108                     var receiptMessage = content.getReceiptMessage().get();
 109                     printReceiptMessage(writer.indentedWriter(), receiptMessage);
 110                 }
 111                 if (content.getTypingMessage().isPresent()) {
 112                     writer.println("Received a typing message");
 113                     var typingMessage = content.getTypingMessage().get();
 114                     printTypingMessage(writer.indentedWriter(), typingMessage);
 115                 }
 116                 if (content.getDecryptionErrorMessage().isPresent()) {
 117                     writer.println("Received a decryption error message (resend request)");
 118                     var decryptionErrorMessage = content.getDecryptionErrorMessage().get();
 119                     printDecryptionErrorMessage(writer.indentedWriter(), decryptionErrorMessage);
 120                 }
 121             }
 122         } else {
 123             writer.println("Unknown message received.");
 124         }
 125         writer.println();
 126     }
 127
 128     private void printDataMessage(
 129             PlainTextWriter writer, SignalServiceDataMessage message
 130     ) {
 131         writer.println("Message timestamp: {}", DateUtils.formatTimestamp(message.getTimestamp()));
 132         if (message.isViewOnce()) {
 133             writer.println("=VIEW ONCE=");
 134         }
 135
 136         if (message.getBody().isPresent()) {
 137             writer.println("Body: {}", message.getBody().get());
 138         }
 139         if (message.getGroupContext().isPresent()) {
 140             writer.println("Group info:");
 141             final var groupContext = message.getGroupContext().get();
 142             printGroupContext(writer.indentedWriter(), groupContext);
 143         }
 144         if (message.getGroupCallUpdate().isPresent()) {
 145             writer.println("Group call update:");
 146             final var groupCallUpdate = message.getGroupCallUpdate().get();
 147             writer.indentedWriter().println("Era id: {}", groupCallUpdate.getEraId());
 148         }
 149         if (message.getPreviews().isPresent()) {
 150             writer.println("Previews:");
 151             final var previews = message.getPreviews().get();
 152             for (var preview : previews) {
 153                 writer.println("- Preview");
 154                 printPreview(writer.indentedWriter(), preview);
 155             }
 156         }
 157         if (message.getSharedContacts().isPresent()) {
 158             final var sharedContacts = message.getSharedContacts().get();
 159             writer.println("Contacts:");
 160             for (var contact : sharedContacts) {
 161                 writer.println("- Contact:");
 162                 printSharedContact(writer.indentedWriter(), contact);
 163             }
 164         }
 165         if (message.getSticker().isPresent()) {
 166             final var sticker = message.getSticker().get();
 167             writer.println("Sticker:");
 168             printSticker(writer.indentedWriter(), sticker);
 169         }
 170         if (message.isEndSession()) {
 171             writer.println("Is end session");
 172         }
 173         if (message.isExpirationUpdate()) {
 174             writer.println("Is Expiration update: {}", message.isExpirationUpdate());
 175         }
 176         if (message.getExpiresInSeconds() > 0) {
 177             writer.println("Expires in: {} seconds", message.getExpiresInSeconds());
 178         }
 179         if (message.getProfileKey().isPresent()) {
 180             writer.println("Profile key update, key length: {}", message.getProfileKey().get().length);
 181         }
 182         if (message.getReaction().isPresent()) {
 183             writer.println("Reaction:");
 184             final var reaction = message.getReaction().get();
 185             printReaction(writer.indentedWriter(), reaction);
 186         }
 187         if (message.getQuote().isPresent()) {
 188             writer.println("Quote:");
 189             var quote = message.getQuote().get();
 190             printQuote(writer.indentedWriter(), quote);
 191         }
 192         if (message.getRemoteDelete().isPresent()) {
 193             final var remoteDelete = message.getRemoteDelete().get();
 194             writer.println("Remote delete message: timestamp = {}", remoteDelete.getTargetSentTimestamp());
 195         }
 196         if (message.getMentions().isPresent()) {
 197             writer.println("Mentions:");
 198             for (var mention : message.getMentions().get()) {
 199                 printMention(writer, mention);
 200             }
 201         }
 202         if (message.getAttachments().isPresent()) {
 203             writer.println("Attachments:");
 204             for (var attachment : message.getAttachments().get()) {
 205                 writer.println("- Attachment:");
 206                 printAttachment(writer.indentedWriter(), attachment);
 207             }
 208         }
 209     }
 210
 211     private void printTypingMessage(
 212             final PlainTextWriter writer, final SignalServiceTypingMessage typingMessage
 213     ) {
 214         writer.println("Action: {}", typingMessage.getAction());
 215         writer.println("Timestamp: {}", DateUtils.formatTimestamp(typingMessage.getTimestamp()));
 216         if (typingMessage.getGroupId().isPresent()) {
 217             writer.println("Group Info:");
 218             final var groupId = GroupId.unknownVersion(typingMessage.getGroupId().get());
 219             printGroupInfo(writer.indentedWriter(), groupId);
 220         }
 221     }
 222
 223     private void printDecryptionErrorMessage(
 224             final PlainTextWriter writer, final DecryptionErrorMessage decryptionErrorMessage
 225     ) {
 226         writer.println("Device id: {}", decryptionErrorMessage.getDeviceId());
 227         writer.println("Timestamp: {}", DateUtils.formatTimestamp(decryptionErrorMessage.getTimestamp()));
 228         writer.println("Ratchet key: {}",
 229                 decryptionErrorMessage.getRatchetKey().isPresent() ? "is present" : "not present");
 230     }
 231
 232     private void printReceiptMessage(
 233             final PlainTextWriter writer, final SignalServiceReceiptMessage receiptMessage
 234     ) {
 235         writer.println("When: {}", DateUtils.formatTimestamp(receiptMessage.getWhen()));
 236         if (receiptMessage.isDeliveryReceipt()) {
 237             writer.println("Is delivery receipt");
 238         }
 239         if (receiptMessage.isReadReceipt()) {
 240             writer.println("Is read receipt");
 241         }
 242         if (receiptMessage.isViewedReceipt()) {
 243             writer.println("Is viewed receipt");
 244         }
 245         writer.println("Timestamps:");
 246         for (long timestamp : receiptMessage.getTimestamps()) {
 247             writer.println("- {}", DateUtils.formatTimestamp(timestamp));
 248         }
 249     }
 250
 251     private void printCallMessage(
 252             final PlainTextWriter writer, final SignalServiceCallMessage callMessage
 253     ) {
 254         if (callMessage.getDestinationDeviceId().isPresent()) {
 255             final var deviceId = callMessage.getDestinationDeviceId().get();
 256             writer.println("Destination device id: {}", deviceId);
 257         }
 258         if (callMessage.getGroupId().isPresent()) {
 259             final var groupId = GroupId.unknownVersion(callMessage.getGroupId().get());
 260             writer.println("Destination group id: {}", groupId);
 261         }
 262         if (callMessage.getTimestamp().isPresent()) {
 263             writer.println("Timestamp: {}", DateUtils.formatTimestamp(callMessage.getTimestamp().get()));
 264         }
 265         if (callMessage.getAnswerMessage().isPresent()) {
 266             var answerMessage = callMessage.getAnswerMessage().get();
 267             writer.println("Answer message: {}, sdp: {})", answerMessage.getId(), answerMessage.getSdp());
 268         }
 269         if (callMessage.getBusyMessage().isPresent()) {
 270             var busyMessage = callMessage.getBusyMessage().get();
 271             writer.println("Busy message: {}", busyMessage.getId());
 272         }
 273         if (callMessage.getHangupMessage().isPresent()) {
 274             var hangupMessage = callMessage.getHangupMessage().get();
 275             writer.println("Hangup message: {}", hangupMessage.getId());
 276         }
 277         if (callMessage.getIceUpdateMessages().isPresent()) {
 278             writer.println("Ice update messages:");
 279             var iceUpdateMessages = callMessage.getIceUpdateMessages().get();
 280             for (var iceUpdateMessage : iceUpdateMessages) {
 281                 writer.println("- {}, sdp: {}", iceUpdateMessage.getId(), iceUpdateMessage.getSdp());
 282             }
 283         }
 284         if (callMessage.getOfferMessage().isPresent()) {
 285             var offerMessage = callMessage.getOfferMessage().get();
 286             writer.println("Offer message: {}, sdp: {}", offerMessage.getId(), offerMessage.getSdp());
 287         }
 288         if (callMessage.getOpaqueMessage().isPresent()) {
 289             final var opaqueMessage = callMessage.getOpaqueMessage().get();
 290             writer.println("Opaque message: size {}, urgency: {}",
 291                     opaqueMessage.getOpaque().length,
 292                     opaqueMessage.getUrgency().name());
 293         }
 294     }
 295
 296     private void printSyncMessage(
 297             final PlainTextWriter writer, final SignalServiceSyncMessage syncMessage
 298     ) {
 299         if (syncMessage.getContacts().isPresent()) {
 300             final var contactsMessage = syncMessage.getContacts().get();
 301             var type = contactsMessage.isComplete() ? "complete" : "partial";
 302             writer.println("Received {} sync contacts:", type);
 303             printAttachment(writer.indentedWriter(), contactsMessage.getContactsStream());
 304         }
 305         if (syncMessage.getGroups().isPresent()) {
 306             writer.println("Received sync groups:");
 307             printAttachment(writer.indentedWriter(), syncMessage.getGroups().get());
 308         }
 309         if (syncMessage.getRead().isPresent()) {
 310             writer.println("Received sync read messages list");
 311             for (var rm : syncMessage.getRead().get()) {
 312                 writer.println("- From: {} Message timestamp: {}",
 313                         formatContact(rm.getSender()),
 314                         DateUtils.formatTimestamp(rm.getTimestamp()));
 315             }
 316         }
 317         if (syncMessage.getViewed().isPresent()) {
 318             writer.println("Received sync viewed messages list");
 319             for (var vm : syncMessage.getViewed().get()) {
 320                 writer.println("- From: {} Message timestamp: {}",
 321                         formatContact(vm.getSender()),
 322                         DateUtils.formatTimestamp(vm.getTimestamp()));
 323             }
 324         }
 325         if (syncMessage.getRequest().isPresent()) {
 326             String type;
 327             if (syncMessage.getRequest().get().isContactsRequest()) {
 328                 type = "contacts";
 329             } else if (syncMessage.getRequest().get().isGroupsRequest()) {
 330                 type = "groups";
 331             } else if (syncMessage.getRequest().get().isBlockedListRequest()) {
 332                 type = "blocked list";
 333             } else if (syncMessage.getRequest().get().isConfigurationRequest()) {
 334                 type = "configuration";
 335             } else if (syncMessage.getRequest().get().isKeysRequest()) {
 336                 type = "keys";
 337             } else {
 338                 type = "<unknown>";
 339             }
 340             writer.println("Received sync request for: {}", type);
 341         }
 342         if (syncMessage.getSent().isPresent()) {
 343             writer.println("Received sync sent message");
 344             final var sentTranscriptMessage = syncMessage.getSent().get();
 345             String to;
 346             if (sentTranscriptMessage.getDestination().isPresent()) {
 347                 to = formatContact(sentTranscriptMessage.getDestination().get());
 348             } else if (sentTranscriptMessage.getRecipients().size() > 0) {
 349                 to = sentTranscriptMessage.getRecipients()
 350                         .stream()
 351                         .map(this::formatContact)
 352                         .collect(Collectors.joining(", "));
 353             } else {
 354                 to = "<unknown>";
 355             }
 356             writer.indentedWriter().println("To: {}", to);
 357             writer.indentedWriter()
 358                     .println("Timestamp: {}", DateUtils.formatTimestamp(sentTranscriptMessage.getTimestamp()));
 359             if (sentTranscriptMessage.getExpirationStartTimestamp() > 0) {
 360                 writer.indentedWriter()
 361                         .println("Expiration started at: {}",
 362                                 DateUtils.formatTimestamp(sentTranscriptMessage.getExpirationStartTimestamp()));
 363             }
 364             var message = sentTranscriptMessage.getMessage();
 365             printDataMessage(writer.indentedWriter(), message);
 366         }
 367         if (syncMessage.getBlockedList().isPresent()) {
 368             writer.println("Received sync message with block list");
 369             writer.println("Blocked numbers:");
 370             final var blockedList = syncMessage.getBlockedList().get();
 371             for (var address : blockedList.getAddresses()) {
 372                 writer.println("- {}", getLegacyIdentifier(address));
 373             }
 374         }
 375         if (syncMessage.getVerified().isPresent()) {
 376             writer.println("Received sync message with verified identities:");
 377             final var verifiedMessage = syncMessage.getVerified().get();
 378             writer.println("- {}: {}", formatContact(verifiedMessage.getDestination()), verifiedMessage.getVerified());
 379         }
 380         if (syncMessage.getConfiguration().isPresent()) {
 381             writer.println("Received sync message with configuration:");
 382             final var configurationMessage = syncMessage.getConfiguration().get();
 383             if (configurationMessage.getReadReceipts().isPresent()) {
 384                 writer.println("- Read receipts: {}",
 385                         configurationMessage.getReadReceipts().get() ? "enabled" : "disabled");
 386             }
 387             if (configurationMessage.getLinkPreviews().isPresent()) {
 388                 writer.println("- Link previews: {}",
 389                         configurationMessage.getLinkPreviews().get() ? "enabled" : "disabled");
 390             }
 391             if (configurationMessage.getTypingIndicators().isPresent()) {
 392                 writer.println("- Typing indicators: {}",
 393                         configurationMessage.getTypingIndicators().get() ? "enabled" : "disabled");
 394             }
 395             if (configurationMessage.getUnidentifiedDeliveryIndicators().isPresent()) {
 396                 writer.println("- Unidentified Delivery Indicators: {}",
 397                         configurationMessage.getUnidentifiedDeliveryIndicators().get() ? "enabled" : "disabled");
 398             }
 399         }
 400         if (syncMessage.getFetchType().isPresent()) {
 401             final var fetchType = syncMessage.getFetchType().get();
 402             writer.println("Received sync message with fetch type: {}", fetchType);
 403         }
 404         if (syncMessage.getViewOnceOpen().isPresent()) {
 405             final var viewOnceOpenMessage = syncMessage.getViewOnceOpen().get();
 406             writer.println("Received sync message with view once open message:");
 407             writer.indentedWriter().println("Sender: {}", formatContact(viewOnceOpenMessage.getSender()));
 408             writer.indentedWriter()
 409                     .println("Timestamp: {}", DateUtils.formatTimestamp(viewOnceOpenMessage.getTimestamp()));
 410         }
 411         if (syncMessage.getStickerPackOperations().isPresent()) {
 412             final var stickerPackOperationMessages = syncMessage.getStickerPackOperations().get();
 413             writer.println("Received sync message with sticker pack operations:");
 414             for (var m : stickerPackOperationMessages) {
 415                 writer.println("- {}", m.getType().isPresent() ? m.getType().get() : "<unknown>");
 416                 if (m.getPackId().isPresent()) {
 417                     writer.indentedWriter()
 418                             .println("packId: {}", Base64.getEncoder().encodeToString(m.getPackId().get()));
 419                 }
 420                 if (m.getPackKey().isPresent()) {
 421                     writer.indentedWriter()
 422                             .println("packKey: {}", Base64.getEncoder().encodeToString(m.getPackKey().get()));
 423                 }
 424             }
 425         }
 426         if (syncMessage.getMessageRequestResponse().isPresent()) {
 427             final var requestResponseMessage = syncMessage.getMessageRequestResponse().get();
 428             writer.println("Received message request response:");
 429             writer.indentedWriter().println("Type: {}", requestResponseMessage.getType());
 430             if (requestResponseMessage.getGroupId().isPresent()) {
 431                 writer.println("For group:");
 432                 printGroupInfo(writer.indentedWriter(),
 433                         GroupId.unknownVersion(requestResponseMessage.getGroupId().get()));
 434             }
 435             if (requestResponseMessage.getPerson().isPresent()) {
 436                 writer.indentedWriter()
 437                         .println("For Person: {}", formatContact(requestResponseMessage.getPerson().get()));
 438             }
 439         }
 440         if (syncMessage.getKeys().isPresent()) {
 441             final var keysMessage = syncMessage.getKeys().get();
 442             writer.println("Received sync message with keys:");
 443             if (keysMessage.getStorageService().isPresent()) {
 444                 writer.println("-  storage key: length: {}", keysMessage.getStorageService().get().serialize().length);
 445             }
 446         }
 447     }
 448
 449     private void printPreview(
 450             final PlainTextWriter writer, final SignalServiceDataMessage.Preview preview
 451     ) {
 452         writer.println("Title: {}", preview.getTitle());
 453         writer.println("Description: {}", preview.getDescription());
 454         writer.println("Date: {}", DateUtils.formatTimestamp(preview.getDate()));
 455         writer.println("Url: {}", preview.getUrl());
 456         if (preview.getImage().isPresent()) {
 457             writer.println("Image:");
 458             printAttachment(writer.indentedWriter(), preview.getImage().get());
 459         }
 460     }
 461
 462     private void printSticker(
 463             final PlainTextWriter writer, final SignalServiceDataMessage.Sticker sticker
 464     ) {
 465         writer.println("Pack id: {}", Base64.getEncoder().encodeToString(sticker.getPackId()));
 466         writer.println("Pack key: {}", Base64.getEncoder().encodeToString(sticker.getPackKey()));
 467         writer.println("Sticker id: {}", sticker.getStickerId());
 468         writer.println("Image:");
 469         printAttachment(writer.indentedWriter(), sticker.getAttachment());
 470     }
 471
 472     private void printReaction(
 473             final PlainTextWriter writer, final SignalServiceDataMessage.Reaction reaction
 474     ) {
 475         writer.println("Emoji: {}", reaction.getEmoji());
 476         writer.println("Target author: {}", formatContact(reaction.getTargetAuthor()));
 477         writer.println("Target timestamp: {}", DateUtils.formatTimestamp(reaction.getTargetSentTimestamp()));
 478         writer.println("Is remove: {}", reaction.isRemove());
 479     }
 480
 481     private void printQuote(
 482             final PlainTextWriter writer, final SignalServiceDataMessage.Quote quote
 483     ) {
 484         writer.println("Id: {}", quote.getId());
 485         writer.println("Author: {}", formatContact(quote.getAuthor()));
 486         writer.println("Text: {}", quote.getText());
 487         if (quote.getMentions() != null && quote.getMentions().size() > 0) {
 488             writer.println("Mentions:");
 489             for (var mention : quote.getMentions()) {
 490                 printMention(writer, mention);
 491             }
 492         }
 493         if (quote.getAttachments().size() > 0) {
 494             writer.println("Attachments:");
 495             for (var attachment : quote.getAttachments()) {
 496                 writer.println("- Filename: {}", attachment.getFileName());
 497                 writer.indent(w -> {
 498                     w.println("Type: {}", attachment.getContentType());
 499                     w.println("Thumbnail:");
 500                     if (attachment.getThumbnail() != null) {
 501                         printAttachment(w, attachment.getThumbnail());
 502                     }
 503                 });
 504             }
 505         }
 506     }
 507
 508     private void printSharedContact(final PlainTextWriter writer, final SharedContact contact) {
 509         writer.println("Name:");
 510         var name = contact.getName();
 511         writer.indent(w -> {
 512             if (name.getDisplay().isPresent() && !name.getDisplay().get().isBlank()) {
 513                 w.println("Display name: {}", name.getDisplay().get());
 514             }
 515             if (name.getGiven().isPresent() && !name.getGiven().get().isBlank()) {
 516                 w.println("First name: {}", name.getGiven().get());
 517             }
 518             if (name.getMiddle().isPresent() && !name.getMiddle().get().isBlank()) {
 519                 w.println("Middle name: {}", name.getMiddle().get());
 520             }
 521             if (name.getFamily().isPresent() && !name.getFamily().get().isBlank()) {
 522                 w.println("Family name: {}", name.getFamily().get());
 523             }
 524             if (name.getPrefix().isPresent() && !name.getPrefix().get().isBlank()) {
 525                 w.println("Prefix name: {}", name.getPrefix().get());
 526             }
 527             if (name.getSuffix().isPresent() && !name.getSuffix().get().isBlank()) {
 528                 w.println("Suffix name: {}", name.getSuffix().get());
 529             }
 530         });
 531
 532         if (contact.getAvatar().isPresent()) {
 533             var avatar = contact.getAvatar().get();
 534             writer.println("Avatar: (profile: {})", avatar.isProfile());
 535             printAttachment(writer.indentedWriter(), avatar.getAttachment());
 536         }
 537
 538         if (contact.getOrganization().isPresent()) {
 539             writer.println("Organisation: {}", contact.getOrganization().get());
 540         }
 541
 542         if (contact.getPhone().isPresent()) {
 543             writer.println("Phone details:");
 544             for (var phone : contact.getPhone().get()) {
 545                 writer.println("- Phone:");
 546                 writer.indent(w -> {
 547                     if (phone.getValue() != null) {
 548                         w.println("Number: {}", phone.getValue());
 549                     }
 550                     if (phone.getType() != null) {
 551                         w.println("Type: {}", phone.getType());
 552                     }
 553                     if (phone.getLabel().isPresent() && !phone.getLabel().get().isBlank()) {
 554                         w.println("Label: {}", phone.getLabel().get());
 555                     }
 556                 });
 557             }
 558         }
 559
 560         if (contact.getEmail().isPresent()) {
 561             writer.println("Email details:");
 562             for (var email : contact.getEmail().get()) {
 563                 writer.println("- Email:");
 564                 writer.indent(w -> {
 565                     if (email.getValue() != null) {
 566                         w.println("Address: {}", email.getValue());
 567                     }
 568                     if (email.getType() != null) {
 569                         w.println("Type: {}", email.getType());
 570                     }
 571                     if (email.getLabel().isPresent() && !email.getLabel().get().isBlank()) {
 572                         w.println("Label: {}", email.getLabel().get());
 573                     }
 574                 });
 575             }
 576         }
 577
 578         if (contact.getAddress().isPresent()) {
 579             writer.println("Address details:");
 580             for (var address : contact.getAddress().get()) {
 581                 writer.println("- Address:");
 582                 writer.indent(w -> {
 583                     if (address.getType() != null) {
 584                         w.println("Type: {}", address.getType());
 585                     }
 586                     if (address.getLabel().isPresent() && !address.getLabel().get().isBlank()) {
 587                         w.println("Label: {}", address.getLabel().get());
 588                     }
 589                     if (address.getStreet().isPresent() && !address.getStreet().get().isBlank()) {
 590                         w.println("Street: {}", address.getStreet().get());
 591                     }
 592                     if (address.getPobox().isPresent() && !address.getPobox().get().isBlank()) {
 593                         w.println("Pobox: {}", address.getPobox().get());
 594                     }
 595                     if (address.getNeighborhood().isPresent() && !address.getNeighborhood().get().isBlank()) {
 596                         w.println("Neighbourhood: {}", address.getNeighborhood().get());
 597                     }
 598                     if (address.getCity().isPresent() && !address.getCity().get().isBlank()) {
 599                         w.println("City: {}", address.getCity().get());
 600                     }
 601                     if (address.getRegion().isPresent() && !address.getRegion().get().isBlank()) {
 602                         w.println("Region: {}", address.getRegion().get());
 603                     }
 604                     if (address.getPostcode().isPresent() && !address.getPostcode().get().isBlank()) {
 605                         w.println("Postcode: {}", address.getPostcode().get());
 606                     }
 607                     if (address.getCountry().isPresent() && !address.getCountry().get().isBlank()) {
 608                         w.println("Country: {}", address.getCountry().get());
 609                     }
 610                 });
 611             }
 612         }
 613     }
 614
 615     private void printGroupContext(
 616             final PlainTextWriter writer, final SignalServiceGroupContext groupContext
 617     ) {
 618         final var groupId = GroupUtils.getGroupId(groupContext);
 619         if (groupContext.getGroupV1().isPresent()) {
 620             var groupInfo = groupContext.getGroupV1().get();
 621             printGroupInfo(writer, groupId);
 622             writer.println("Type: {}", groupInfo.getType());
 623             if (groupInfo.getMembers().isPresent()) {
 624                 writer.println("Members:");
 625                 for (var member : groupInfo.getMembers().get()) {
 626                     writer.println("- {}", formatContact(member));
 627                 }
 628             }
 629             if (groupInfo.getAvatar().isPresent()) {
 630                 writer.println("Avatar:");
 631                 printAttachment(writer.indentedWriter(), groupInfo.getAvatar().get());
 632             }
 633         } else if (groupContext.getGroupV2().isPresent()) {
 634             final var groupInfo = groupContext.getGroupV2().get();
 635             printGroupInfo(writer, groupId);
 636             writer.println("Revision: {}", groupInfo.getRevision());
 637             writer.println("Master key length: {}", groupInfo.getMasterKey().serialize().length);
 638             writer.println("Has signed group change: {}", groupInfo.hasSignedGroupChange());
 639         }
 640     }
 641
 642     private void printGroupInfo(final PlainTextWriter writer, final GroupId groupId) {
 643         writer.println("Id: {}", groupId.toBase64());
 644
 645         var group = m.getGroup(groupId);
 646         if (group != null) {
 647             writer.println("Name: {}", group.getTitle());
 648         } else {
 649             writer.println("Name: <Unknown group>");
 650         }
 651     }
 652
 653     private void printMention(
 654             PlainTextWriter writer, SignalServiceDataMessage.Mention mention
 655     ) {
 656         final var address = m.resolveSignalServiceAddress(new SignalServiceAddress(mention.getUuid()));
 657         writer.println("- {}: {} (length: {})", formatContact(address), mention.getStart(), mention.getLength());
 658     }
 659
 660     private void printAttachment(PlainTextWriter writer, SignalServiceAttachment attachment) {
 661         writer.println("Content-Type: {}", attachment.getContentType());
 662         writer.println("Type: {}", attachment.isPointer() ? "Pointer" : attachment.isStream() ? "Stream" : "<unknown>");
 663         if (attachment.isPointer()) {
 664             final var pointer = attachment.asPointer();
 665             writer.println("Id: {} Key length: {}", pointer.getRemoteId(), pointer.getKey().length);
 666             if (pointer.getUploadTimestamp() > 0) {
 667                 writer.println("Upload timestamp: {}", DateUtils.formatTimestamp(pointer.getUploadTimestamp()));
 668             }
 669             if (pointer.getCaption().isPresent()) {
 670                 writer.println("Caption: {}", pointer.getCaption().get());
 671             }
 672             if (pointer.getFileName().isPresent()) {
 673                 writer.println("Filename: {}", pointer.getFileName().get());
 674             }
 675             writer.println("Size: {}{}",
 676                     pointer.getSize().isPresent() ? pointer.getSize().get() + " bytes" : "<unavailable>",
 677                     pointer.getPreview().isPresent() ? " (Preview is available: "
 678                             + pointer.getPreview().get().length
 679                             + " bytes)" : "");
 680             final var flags = new ArrayList<String>();
 681             if (pointer.getVoiceNote()) {
 682                 flags.add("voice note");
 683             }
 684             if (pointer.isBorderless()) {
 685                 flags.add("borderless");
 686             }
 687             if (pointer.isGif()) {
 688                 flags.add("video gif");
 689             }
 690             if (flags.size() > 0) {
 691                 writer.println("Flags: {}", String.join(", ", flags));
 692             }
 693             if (pointer.getWidth() > 0 || pointer.getHeight() > 0) {
 694                 writer.println("Dimensions: {}x{}", pointer.getWidth(), pointer.getHeight());
 695             }
 696             var file = m.getAttachmentFile(pointer.getRemoteId());
 697             if (file.exists()) {
 698                 writer.println("Stored plaintext in: {}", file);
 699             }
 700         }
 701     }
 702
 703     private String formatContact(SignalServiceAddress address) {
 704         address = m.resolveSignalServiceAddress(address);
 705         final var number = getLegacyIdentifier(address);
 706         final var name = m.getContactOrProfileName(RecipientIdentifier.Single.fromAddress(address));
 707         if (name == null || name.isEmpty()) {
 708             return number;
 709         } else {
 710             return MessageFormatter.arrayFormat("“{}” {}", new Object[]{name, number}).getMessage();
 711         }
 712     }
 713 }