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