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.api.MessageEnvelope;
   5 import org.asamk.signal.manager.api.RecipientAddress;
   6 import org.asamk.signal.manager.api.RecipientIdentifier;
   7 import org.asamk.signal.manager.api.UntrustedIdentityException;
   8 import org.asamk.signal.manager.groups.GroupId;
   9 import org.asamk.signal.output.PlainTextWriter;
  10 import org.asamk.signal.util.DateUtils;
  11 import org.asamk.signal.util.Hex;
  12 import org.slf4j.helpers.MessageFormatter;
  13
  14 import java.util.ArrayList;
  15 import java.util.stream.Collectors;
  16
  17 public class ReceiveMessageHandler implements Manager.ReceiveMessageHandler {
  18
  19     final Manager m;
  20     final PlainTextWriter writer;
  21
  22     public ReceiveMessageHandler(Manager m, final PlainTextWriter writer) {
  23         this.m = m;
  24         this.writer = writer;
  25     }
  26
  27     @Override
  28     public void handleMessage(MessageEnvelope envelope, Throwable exception) {
  29         synchronized (writer) {
  30             handleMessageInternal(envelope, exception);
  31         }
  32     }
  33
  34     private void handleMessageInternal(MessageEnvelope envelope, Throwable exception) {
  35         var source = envelope.sourceAddress();
  36         writer.println("Envelope from: {} (device: {}) to {}",
  37                 source.map(this::formatContact).orElse("unknown source"),
  38                 envelope.sourceDevice(),
  39                 m.getSelfNumber());
  40         writer.println("Timestamp: {}", DateUtils.formatTimestamp(envelope.timestamp()));
  41         writer.println("Server timestamps: received: {} delivered: {}",
  42                 DateUtils.formatTimestamp(envelope.serverReceivedTimestamp()),
  43                 DateUtils.formatTimestamp(envelope.serverDeliveredTimestamp()));
  44         if (envelope.isUnidentifiedSender()) {
  45             writer.println("Sent by unidentified/sealed sender");
  46         }
  47
  48         if (exception != null) {
  49             if (exception instanceof UntrustedIdentityException e) {
  50                 writer.println(
  51                         "The user’s key is untrusted, either the user has reinstalled Signal or a third party sent this message.");
  52                 final var recipientName = e.getSender().getLegacyIdentifier();
  53                 writer.println(
  54                         "Use 'signal-cli -a {} listIdentities -n {}', verify the key and run 'signal-cli -a {} trust -v \"FINGER_PRINT\" {}' to mark it as trusted",
  55                         m.getSelfNumber(),
  56                         recipientName,
  57                         m.getSelfNumber(),
  58                         recipientName);
  59                 writer.println(
  60                         "If you don't care about security, use 'signal-cli -a {} trust -a {}' to trust it without verification",
  61                         m.getSelfNumber(),
  62                         recipientName);
  63             } else {
  64                 writer.println("Exception: {} ({})", exception.getMessage(), exception.getClass().getSimpleName());
  65             }
  66         }
  67
  68         if (envelope.data().isPresent()) {
  69             var message = envelope.data().get();
  70             printDataMessage(writer, message);
  71         }
  72         if (envelope.story().isPresent()) {
  73             var message = envelope.story().get();
  74             printStoryMessage(writer.indentedWriter(), message);
  75         }
  76         if (envelope.sync().isPresent()) {
  77             writer.println("Received a sync message");
  78             var syncMessage = envelope.sync().get();
  79             printSyncMessage(writer, syncMessage);
  80         }
  81         if (envelope.call().isPresent()) {
  82             writer.println("Received a call message");
  83             var callMessage = envelope.call().get();
  84             printCallMessage(writer.indentedWriter(), callMessage);
  85         }
  86         if (envelope.receipt().isPresent()) {
  87             writer.println("Received a receipt message");
  88             var receiptMessage = envelope.receipt().get();
  89             printReceiptMessage(writer.indentedWriter(), receiptMessage);
  90         }
  91         if (envelope.typing().isPresent()) {
  92             writer.println("Received a typing message");
  93             var typingMessage = envelope.typing().get();
  94             printTypingMessage(writer.indentedWriter(), typingMessage);
  95         }
  96         writer.println();
  97     }
  98
  99     private void printDataMessage(
 100             PlainTextWriter writer, MessageEnvelope.Data message
 101     ) {
 102         writer.println("Message timestamp: {}", DateUtils.formatTimestamp(message.timestamp()));
 103         if (message.isViewOnce()) {
 104             writer.println("=VIEW ONCE=");
 105         }
 106
 107         if (message.body().isPresent()) {
 108             writer.println("Body: {}", message.body().get());
 109         }
 110         if (message.groupContext().isPresent()) {
 111             writer.println("Group info:");
 112             final var groupContext = message.groupContext().get();
 113             printGroupContext(writer.indentedWriter(), groupContext);
 114         }
 115         if (message.storyContext().isPresent()) {
 116             writer.println("Story reply:");
 117             final var storyContext = message.storyContext().get();
 118             printStoryContext(writer.indentedWriter(), storyContext);
 119         }
 120         if (message.groupCallUpdate().isPresent()) {
 121             writer.println("Group call update:");
 122             final var groupCallUpdate = message.groupCallUpdate().get();
 123             writer.indentedWriter().println("Era id: {}", groupCallUpdate.eraId());
 124         }
 125         if (message.previews().size() > 0) {
 126             writer.println("Previews:");
 127             final var previews = message.previews();
 128             for (var preview : previews) {
 129                 writer.println("- Preview");
 130                 printPreview(writer.indentedWriter(), preview);
 131             }
 132         }
 133         if (message.sharedContacts().size() > 0) {
 134             writer.println("Contacts:");
 135             for (var contact : message.sharedContacts()) {
 136                 writer.println("- Contact:");
 137                 printSharedContact(writer.indentedWriter(), contact);
 138             }
 139         }
 140         if (message.sticker().isPresent()) {
 141             final var sticker = message.sticker().get();
 142             writer.println("Sticker:");
 143             printSticker(writer.indentedWriter(), sticker);
 144         }
 145         if (message.isEndSession()) {
 146             writer.println("Is end session");
 147         }
 148         if (message.isExpirationUpdate()) {
 149             writer.println("Is Expiration update: true");
 150         }
 151         if (message.expiresInSeconds() > 0) {
 152             writer.println("Expires in: {} seconds", message.expiresInSeconds());
 153         }
 154         if (message.isProfileKeyUpdate()) {
 155             writer.println("Profile key update");
 156         }
 157         if (message.hasProfileKey()) {
 158             writer.println("With profile key");
 159         }
 160         if (message.reaction().isPresent()) {
 161             writer.println("Reaction:");
 162             final var reaction = message.reaction().get();
 163             printReaction(writer.indentedWriter(), reaction);
 164         }
 165         if (message.quote().isPresent()) {
 166             writer.println("Quote:");
 167             var quote = message.quote().get();
 168             printQuote(writer.indentedWriter(), quote);
 169         }
 170         if (message.remoteDeleteId().isPresent()) {
 171             final var remoteDelete = message.remoteDeleteId().get();
 172             writer.println("Remote delete message: timestamp = {}", remoteDelete);
 173         }
 174         if (message.mentions().size() > 0) {
 175             writer.println("Mentions:");
 176             for (var mention : message.mentions()) {
 177                 printMention(writer, mention);
 178             }
 179         }
 180         if (message.textStyles().size() > 0) {
 181             writer.println("Text styles:");
 182             for (var textStyle : message.textStyles()) {
 183                 printTextStyle(writer, textStyle);
 184             }
 185         }
 186         if (message.attachments().size() > 0) {
 187             writer.println("Attachments:");
 188             for (var attachment : message.attachments()) {
 189                 writer.println("- Attachment:");
 190                 printAttachment(writer.indentedWriter(), attachment);
 191             }
 192         }
 193     }
 194
 195     private void printStoryMessage(
 196             PlainTextWriter writer, MessageEnvelope.Story message
 197     ) {
 198         writer.println("Story: with replies: {}", message.allowsReplies());
 199         if (message.groupId().isPresent()) {
 200             writer.println("Group info:");
 201             printGroupInfo(writer.indentedWriter(), message.groupId().get());
 202         }
 203         if (message.textAttachment().isPresent()) {
 204             writer.println("Body: {}", message.textAttachment().get().text().orElse(""));
 205
 206             if (message.textAttachment().get().preview().isPresent()) {
 207                 writer.println("Preview:");
 208                 printPreview(writer.indentedWriter(), message.textAttachment().get().preview().get());
 209             }
 210         }
 211         if (message.fileAttachment().isPresent()) {
 212             writer.println("Attachments:");
 213             printAttachment(writer.indentedWriter(), message.fileAttachment().get());
 214         }
 215     }
 216
 217     private void printTypingMessage(
 218             final PlainTextWriter writer, final MessageEnvelope.Typing typingMessage
 219     ) {
 220         writer.println("Action: {}", typingMessage.type());
 221         writer.println("Timestamp: {}", DateUtils.formatTimestamp(typingMessage.timestamp()));
 222         if (typingMessage.groupId().isPresent()) {
 223             writer.println("Group Info:");
 224             final var groupId = typingMessage.groupId().get();
 225             printGroupInfo(writer.indentedWriter(), groupId);
 226         }
 227     }
 228
 229     private void printReceiptMessage(
 230             final PlainTextWriter writer, final MessageEnvelope.Receipt receiptMessage
 231     ) {
 232         writer.println("When: {}", DateUtils.formatTimestamp(receiptMessage.when()));
 233         if (receiptMessage.type() == MessageEnvelope.Receipt.Type.DELIVERY) {
 234             writer.println("Is delivery receipt");
 235         }
 236         if (receiptMessage.type() == MessageEnvelope.Receipt.Type.READ) {
 237             writer.println("Is read receipt");
 238         }
 239         if (receiptMessage.type() == MessageEnvelope.Receipt.Type.VIEWED) {
 240             writer.println("Is viewed receipt");
 241         }
 242         writer.println("Timestamps:");
 243         for (long timestamp : receiptMessage.timestamps()) {
 244             writer.println("- {}", DateUtils.formatTimestamp(timestamp));
 245         }
 246     }
 247
 248     private void printCallMessage(
 249             final PlainTextWriter writer, final MessageEnvelope.Call callMessage
 250     ) {
 251         if (callMessage.destinationDeviceId().isPresent()) {
 252             final var deviceId = callMessage.destinationDeviceId().get();
 253             writer.println("Destination device id: {}", deviceId);
 254         }
 255         if (callMessage.groupId().isPresent()) {
 256             final var groupId = callMessage.groupId().get();
 257             writer.println("Destination group id: {}", groupId);
 258         }
 259         if (callMessage.timestamp().isPresent()) {
 260             writer.println("Timestamp: {}", DateUtils.formatTimestamp(callMessage.timestamp().get()));
 261         }
 262         if (callMessage.answer().isPresent()) {
 263             var answerMessage = callMessage.answer().get();
 264             writer.println("Answer message: {}, sdp: {})", answerMessage.id(), answerMessage.sdp());
 265         }
 266         if (callMessage.busy().isPresent()) {
 267             var busyMessage = callMessage.busy().get();
 268             writer.println("Busy message: {}", busyMessage.id());
 269         }
 270         if (callMessage.hangup().isPresent()) {
 271             var hangupMessage = callMessage.hangup().get();
 272             writer.println("Hangup message: {}", hangupMessage.id());
 273         }
 274         if (callMessage.iceUpdate().size() > 0) {
 275             writer.println("Ice update messages:");
 276             var iceUpdateMessages = callMessage.iceUpdate();
 277             for (var iceUpdateMessage : iceUpdateMessages) {
 278                 writer.println("- {}, sdp: {}", iceUpdateMessage.id(), iceUpdateMessage.sdp());
 279             }
 280         }
 281         if (callMessage.offer().isPresent()) {
 282             var offerMessage = callMessage.offer().get();
 283             writer.println("Offer message: {}, sdp: {}", offerMessage.id(), offerMessage.sdp());
 284         }
 285         if (callMessage.opaque().isPresent()) {
 286             final var opaqueMessage = callMessage.opaque().get();
 287             writer.println("Opaque message: size {}, urgency: {}",
 288                     opaqueMessage.opaque().length,
 289                     opaqueMessage.urgency().name());
 290         }
 291     }
 292
 293     private void printSyncMessage(
 294             final PlainTextWriter writer, final MessageEnvelope.Sync syncMessage
 295     ) {
 296         if (syncMessage.contacts().isPresent()) {
 297             final var contactsMessage = syncMessage.contacts().get();
 298             var type = contactsMessage.isComplete() ? "complete" : "partial";
 299             writer.println("Received {} sync contacts:", type);
 300         }
 301         if (syncMessage.groups().isPresent()) {
 302             writer.println("Received sync groups.");
 303         }
 304         if (syncMessage.read().size() > 0) {
 305             writer.println("Received sync read messages list");
 306             for (var rm : syncMessage.read()) {
 307                 writer.println("- From: {} Message timestamp: {}",
 308                         formatContact(rm.sender()),
 309                         DateUtils.formatTimestamp(rm.timestamp()));
 310             }
 311         }
 312         if (syncMessage.viewed().size() > 0) {
 313             writer.println("Received sync viewed messages list");
 314             for (var vm : syncMessage.viewed()) {
 315                 writer.println("- From: {} Message timestamp: {}",
 316                         formatContact(vm.sender()),
 317                         DateUtils.formatTimestamp(vm.timestamp()));
 318             }
 319         }
 320         if (syncMessage.sent().isPresent()) {
 321             writer.println("Received sync sent message");
 322             final var sentTranscriptMessage = syncMessage.sent().get();
 323             String to;
 324             if (sentTranscriptMessage.destination().isPresent()) {
 325                 to = formatContact(sentTranscriptMessage.destination().get());
 326             } else if (sentTranscriptMessage.recipients().size() > 0) {
 327                 to = sentTranscriptMessage.recipients()
 328                         .stream()
 329                         .map(this::formatContact)
 330                         .collect(Collectors.joining(", "));
 331             } else {
 332                 to = "<unknown>";
 333             }
 334             writer.indentedWriter().println("To: {}", to);
 335             writer.indentedWriter()
 336                     .println("Timestamp: {}", DateUtils.formatTimestamp(sentTranscriptMessage.timestamp()));
 337             if (sentTranscriptMessage.expirationStartTimestamp() > 0) {
 338                 writer.indentedWriter()
 339                         .println("Expiration started at: {}",
 340                                 DateUtils.formatTimestamp(sentTranscriptMessage.expirationStartTimestamp()));
 341             }
 342             if (sentTranscriptMessage.message().isPresent()) {
 343                 var message = sentTranscriptMessage.message().get();
 344                 printDataMessage(writer.indentedWriter(), message);
 345             }
 346             if (sentTranscriptMessage.story().isPresent()) {
 347                 var message = sentTranscriptMessage.story().get();
 348                 printStoryMessage(writer.indentedWriter(), message);
 349             }
 350         }
 351         if (syncMessage.blocked().isPresent()) {
 352             writer.println("Received sync message with block list");
 353             writer.println("Blocked:");
 354             final var blockedList = syncMessage.blocked().get();
 355             for (var address : blockedList.recipients()) {
 356                 writer.println("- {}", address.getLegacyIdentifier());
 357             }
 358             for (var groupId : blockedList.groupIds()) {
 359                 writer.println("- {}", groupId.toBase64());
 360             }
 361         }
 362         if (syncMessage.viewOnceOpen().isPresent()) {
 363             final var viewOnceOpenMessage = syncMessage.viewOnceOpen().get();
 364             writer.println("Received sync message with view once open message:");
 365             writer.indentedWriter().println("Sender: {}", formatContact(viewOnceOpenMessage.sender()));
 366             writer.indentedWriter()
 367                     .println("Timestamp: {}", DateUtils.formatTimestamp(viewOnceOpenMessage.timestamp()));
 368         }
 369         if (syncMessage.messageRequestResponse().isPresent()) {
 370             final var requestResponseMessage = syncMessage.messageRequestResponse().get();
 371             writer.println("Received message request response:");
 372             writer.indentedWriter().println("Type: {}", requestResponseMessage.type());
 373             if (requestResponseMessage.groupId().isPresent()) {
 374                 writer.println("For group:");
 375                 printGroupInfo(writer.indentedWriter(), requestResponseMessage.groupId().get());
 376             }
 377             if (requestResponseMessage.person().isPresent()) {
 378                 writer.indentedWriter().println("For Person: {}", formatContact(requestResponseMessage.person().get()));
 379             }
 380         }
 381     }
 382
 383     private void printPreview(
 384             final PlainTextWriter writer, final MessageEnvelope.Data.Preview preview
 385     ) {
 386         writer.println("Title: {}", preview.title());
 387         writer.println("Description: {}", preview.description());
 388         writer.println("Date: {}", DateUtils.formatTimestamp(preview.date()));
 389         writer.println("Url: {}", preview.url());
 390         if (preview.image().isPresent()) {
 391             writer.println("Image:");
 392             printAttachment(writer.indentedWriter(), preview.image().get());
 393         }
 394     }
 395
 396     private void printSticker(
 397             final PlainTextWriter writer, final MessageEnvelope.Data.Sticker sticker
 398     ) {
 399         writer.println("Pack id: {}", Hex.toStringCondensed(sticker.packId().serialize()));
 400         writer.println("Sticker id: {}", sticker.stickerId());
 401     }
 402
 403     private void printReaction(
 404             final PlainTextWriter writer, final MessageEnvelope.Data.Reaction reaction
 405     ) {
 406         writer.println("Emoji: {}", reaction.emoji());
 407         writer.println("Target author: {}", formatContact(reaction.targetAuthor()));
 408         writer.println("Target timestamp: {}", DateUtils.formatTimestamp(reaction.targetSentTimestamp()));
 409         writer.println("Is remove: {}", reaction.isRemove());
 410     }
 411
 412     private void printQuote(
 413             final PlainTextWriter writer, final MessageEnvelope.Data.Quote quote
 414     ) {
 415         writer.println("Id: {}", quote.id());
 416         writer.println("Author: {}", formatContact(quote.author()));
 417         if (quote.text().isPresent()) {
 418             writer.println("Text: {}", quote.text().get());
 419         }
 420         if (quote.mentions() != null && quote.mentions().size() > 0) {
 421             writer.println("Mentions:");
 422             for (var mention : quote.mentions()) {
 423                 printMention(writer, mention);
 424             }
 425         }
 426         if (quote.attachments().size() > 0) {
 427             writer.println("Attachments:");
 428             for (var attachment : quote.attachments()) {
 429                 writer.println("- Attachment:");
 430                 printAttachment(writer.indentedWriter(), attachment);
 431             }
 432         }
 433     }
 434
 435     private void printSharedContact(final PlainTextWriter writer, final MessageEnvelope.Data.SharedContact contact) {
 436         writer.println("Name:");
 437         var name = contact.name();
 438         writer.indent(w -> {
 439             if (name.display().isPresent() && !name.display().get().isBlank()) {
 440                 w.println("Display name: {}", name.display().get());
 441             }
 442             if (name.given().isPresent() && !name.given().get().isBlank()) {
 443                 w.println("First name: {}", name.given().get());
 444             }
 445             if (name.middle().isPresent() && !name.middle().get().isBlank()) {
 446                 w.println("Middle name: {}", name.middle().get());
 447             }
 448             if (name.family().isPresent() && !name.family().get().isBlank()) {
 449                 w.println("Family name: {}", name.family().get());
 450             }
 451             if (name.prefix().isPresent() && !name.prefix().get().isBlank()) {
 452                 w.println("Prefix name: {}", name.prefix().get());
 453             }
 454             if (name.suffix().isPresent() && !name.suffix().get().isBlank()) {
 455                 w.println("Suffix name: {}", name.suffix().get());
 456             }
 457         });
 458
 459         if (contact.avatar().isPresent()) {
 460             var avatar = contact.avatar().get();
 461             writer.println("Avatar: (profile: {})", avatar.isProfile());
 462             printAttachment(writer.indentedWriter(), avatar.attachment());
 463         }
 464
 465         if (contact.organization().isPresent()) {
 466             writer.println("Organisation: {}", contact.organization().get());
 467         }
 468
 469         if (contact.phone().size() > 0) {
 470             writer.println("Phone details:");
 471             for (var phone : contact.phone()) {
 472                 writer.println("- Phone:");
 473                 writer.indent(w -> {
 474                     w.println("Number: {}", phone.value());
 475                     w.println("Type: {}", phone.type());
 476                     if (phone.label().isPresent() && !phone.label().get().isBlank()) {
 477                         w.println("Label: {}", phone.label().get());
 478                     }
 479                 });
 480             }
 481         }
 482
 483         if (contact.email().size() > 0) {
 484             writer.println("Email details:");
 485             for (var email : contact.email()) {
 486                 writer.println("- Email:");
 487                 writer.indent(w -> {
 488                     w.println("Address: {}", email.value());
 489                     w.println("Type: {}", email.type());
 490                     if (email.label().isPresent() && !email.label().get().isBlank()) {
 491                         w.println("Label: {}", email.label().get());
 492                     }
 493                 });
 494             }
 495         }
 496
 497         if (contact.address().size() > 0) {
 498             writer.println("Address details:");
 499             for (var address : contact.address()) {
 500                 writer.println("- Address:");
 501                 writer.indent(w -> {
 502                     w.println("Type: {}", address.type());
 503                     if (address.label().isPresent() && !address.label().get().isBlank()) {
 504                         w.println("Label: {}", address.label().get());
 505                     }
 506                     if (address.street().isPresent() && !address.street().get().isBlank()) {
 507                         w.println("Street: {}", address.street().get());
 508                     }
 509                     if (address.pobox().isPresent() && !address.pobox().get().isBlank()) {
 510                         w.println("Pobox: {}", address.pobox().get());
 511                     }
 512                     if (address.neighborhood().isPresent() && !address.neighborhood().get().isBlank()) {
 513                         w.println("Neighbourhood: {}", address.neighborhood().get());
 514                     }
 515                     if (address.city().isPresent() && !address.city().get().isBlank()) {
 516                         w.println("City: {}", address.city().get());
 517                     }
 518                     if (address.region().isPresent() && !address.region().get().isBlank()) {
 519                         w.println("Region: {}", address.region().get());
 520                     }
 521                     if (address.postcode().isPresent() && !address.postcode().get().isBlank()) {
 522                         w.println("Postcode: {}", address.postcode().get());
 523                     }
 524                     if (address.country().isPresent() && !address.country().get().isBlank()) {
 525                         w.println("Country: {}", address.country().get());
 526                     }
 527                 });
 528             }
 529         }
 530     }
 531
 532     private void printGroupContext(
 533             final PlainTextWriter writer, final MessageEnvelope.Data.GroupContext groupContext
 534     ) {
 535         printGroupInfo(writer, groupContext.groupId());
 536         writer.println("Revision: {}", groupContext.revision());
 537         writer.println("Type: {}", groupContext.isGroupUpdate() ? "UPDATE" : "DELIVER");
 538     }
 539
 540     private void printStoryContext(
 541             final PlainTextWriter writer, final MessageEnvelope.Data.StoryContext storyContext
 542     ) {
 543         writer.println("Sender: {}", formatContact(storyContext.author()));
 544         writer.println("Sent timestamp: {}", storyContext.sentTimestamp());
 545     }
 546
 547     private void printGroupInfo(final PlainTextWriter writer, final GroupId groupId) {
 548         writer.println("Id: {}", groupId.toBase64());
 549
 550         var group = m.getGroup(groupId);
 551         if (group != null) {
 552             writer.println("Name: {}", group.title());
 553         } else {
 554             writer.println("Name: <Unknown group>");
 555         }
 556     }
 557
 558     private void printMention(
 559             PlainTextWriter writer, MessageEnvelope.Data.Mention mention
 560     ) {
 561         writer.println("- {}: {} (length: {})", formatContact(mention.recipient()), mention.start(), mention.length());
 562     }
 563
 564     private void printTextStyle(
 565             PlainTextWriter writer, MessageEnvelope.Data.TextStyle textStyle
 566     ) {
 567         writer.println("- {}: {} (length: {})", textStyle.style().name(), textStyle.start(), textStyle.length());
 568     }
 569
 570     private void printAttachment(PlainTextWriter writer, MessageEnvelope.Data.Attachment attachment) {
 571         writer.println("Content-Type: {}", attachment.contentType());
 572         writer.println("Type: {}", attachment.id().isPresent() ? "Pointer" : "Stream");
 573         if (attachment.id().isPresent()) {
 574             writer.println("Id: {}", attachment.id().get());
 575         }
 576         if (attachment.uploadTimestamp().isPresent()) {
 577             writer.println("Upload timestamp: {}", DateUtils.formatTimestamp(attachment.uploadTimestamp().get()));
 578         }
 579         if (attachment.caption().isPresent()) {
 580             writer.println("Caption: {}", attachment.caption().get());
 581         }
 582         if (attachment.fileName().isPresent()) {
 583             writer.println("Filename: {}", attachment.fileName().get());
 584         }
 585         if (attachment.size().isPresent() || attachment.preview().isPresent()) {
 586             writer.println("Size: {}{}",
 587                     attachment.size().isPresent() ? attachment.size().get() + " bytes" : "<unavailable>",
 588                     attachment.preview().isPresent() ? " (Preview is available: "
 589                             + attachment.preview().get().length
 590                             + " bytes)" : "");
 591         }
 592         if (attachment.thumbnail().isPresent()) {
 593             writer.println("Thumbnail:");
 594             printAttachment(writer.indentedWriter(), attachment.thumbnail().get());
 595         }
 596         final var flags = new ArrayList<String>();
 597         if (attachment.isVoiceNote()) {
 598             flags.add("voice note");
 599         }
 600         if (attachment.isBorderless()) {
 601             flags.add("borderless");
 602         }
 603         if (attachment.isGif()) {
 604             flags.add("video gif");
 605         }
 606         if (flags.size() > 0) {
 607             writer.println("Flags: {}", String.join(", ", flags));
 608         }
 609         if (attachment.width().isPresent() || attachment.height().isPresent()) {
 610             writer.println("Dimensions: {}x{}", attachment.width().orElse(0), attachment.height().orElse(0));
 611         }
 612         if (attachment.file().isPresent()) {
 613             var file = attachment.file().get();
 614             if (file.exists()) {
 615                 writer.println("Stored plaintext in: {}", file);
 616             }
 617         }
 618     }
 619
 620     private String formatContact(RecipientAddress address) {
 621         final var number = address.getLegacyIdentifier();
 622         final var name = m.getContactOrProfileName(RecipientIdentifier.Single.fromAddress(address));
 623         if (name == null || name.isEmpty()) {
 624             return number;
 625         } else {
 626             return MessageFormatter.arrayFormat("“{}” {}", new Object[]{name, number}).getMessage();
 627         }
 628     }
 629 }