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