package org.asamk.signal;
import org.asamk.signal.manager.Manager;
import org.asamk.signal.storage.contacts.ContactInfo;
import org.asamk.signal.storage.groups.GroupInfo;
import org.asamk.signal.util.DateUtils;
import org.asamk.signal.util.Util;
import org.whispersystems.signalservice.api.messages.SignalServiceAttachment;
import org.whispersystems.signalservice.api.messages.SignalServiceAttachmentPointer;
import org.whispersystems.signalservice.api.messages.SignalServiceContent;
import org.whispersystems.signalservice.api.messages.SignalServiceDataMessage;
import org.whispersystems.signalservice.api.messages.SignalServiceEnvelope;
import org.whispersystems.signalservice.api.messages.SignalServiceGroup;
import org.whispersystems.signalservice.api.messages.SignalServiceReceiptMessage;
import org.whispersystems.signalservice.api.messages.SignalServiceTypingMessage;
import org.whispersystems.signalservice.api.messages.calls.AnswerMessage;
import org.whispersystems.signalservice.api.messages.calls.BusyMessage;
import org.whispersystems.signalservice.api.messages.calls.HangupMessage;
import org.whispersystems.signalservice.api.messages.calls.IceUpdateMessage;
import org.whispersystems.signalservice.api.messages.calls.OfferMessage;
import org.whispersystems.signalservice.api.messages.calls.SignalServiceCallMessage;
import org.whispersystems.signalservice.api.messages.multidevice.BlockedListMessage;
import org.whispersystems.signalservice.api.messages.multidevice.ConfigurationMessage;
import org.whispersystems.signalservice.api.messages.multidevice.ContactsMessage;
import org.whispersystems.signalservice.api.messages.multidevice.ReadMessage;
import org.whispersystems.signalservice.api.messages.multidevice.SentTranscriptMessage;
import org.whispersystems.signalservice.api.messages.multidevice.SignalServiceSyncMessage;
import org.whispersystems.signalservice.api.messages.multidevice.StickerPackOperationMessage;
import org.whispersystems.signalservice.api.messages.multidevice.VerifiedMessage;
import org.whispersystems.signalservice.api.messages.multidevice.ViewOnceOpenMessage;
import org.whispersystems.signalservice.api.messages.shared.SharedContact;
import org.whispersystems.signalservice.api.push.SignalServiceAddress;
import org.whispersystems.util.Base64;
import java.io.File;
import java.util.List;
public class ReceiveMessageHandler implements Manager.ReceiveMessageHandler {
final Manager m;
public ReceiveMessageHandler(Manager m) {
this.m = m;
}
@Override
public void handleMessage(SignalServiceEnvelope envelope, SignalServiceContent content, Throwable exception) {
if (!envelope.isUnidentifiedSender() && envelope.hasSource()) {
SignalServiceAddress source = envelope.getSourceAddress();
ContactInfo sourceContact = m.getContact(source.getNumber().get());
System.out.println(String.format("Envelope from: %s (device: %d)", (sourceContact == null ? "" : "“" + sourceContact.name + "” ") + source.getNumber().get(), envelope.getSourceDevice()));
if (source.getRelay().isPresent()) {
System.out.println("Relayed by: " + source.getRelay().get());
}
} else {
System.out.println("Envelope from: unknown source");
}
System.out.println("Timestamp: " + DateUtils.formatTimestamp(envelope.getTimestamp()));
if (envelope.isUnidentifiedSender()) {
System.out.println("Sent by unidentified/sealed sender");
}
if (envelope.isReceipt()) {
System.out.println("Got receipt.");
} else if (envelope.isSignalMessage() || envelope.isPreKeySignalMessage() || envelope.isUnidentifiedSender()) {
if (exception != null) {
if (exception instanceof org.whispersystems.libsignal.UntrustedIdentityException) {
org.whispersystems.libsignal.UntrustedIdentityException e = (org.whispersystems.libsignal.UntrustedIdentityException) exception;
System.out.println("The user’s key is untrusted, either the user has reinstalled Signal or a third party sent this message.");
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");
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");
} else {
System.out.println("Exception: " + exception.getMessage() + " (" + exception.getClass().getSimpleName() + ")");
}
}
if (content == null) {
System.out.println("Failed to decrypt message.");
} else {
ContactInfo sourceContact = m.getContact(content.getSender().getNumber().get());
System.out.println(String.format("Sender: %s (device: %d)", (sourceContact == null ? "" : "“" + sourceContact.name + "” ") + content.getSender().getNumber().get(), content.getSenderDevice()));
if (content.getDataMessage().isPresent()) {
SignalServiceDataMessage message = content.getDataMessage().get();
handleSignalServiceDataMessage(message);
}
if (content.getSyncMessage().isPresent()) {
System.out.println("Received a sync message");
SignalServiceSyncMessage syncMessage = content.getSyncMessage().get();
if (syncMessage.getContacts().isPresent()) {
final ContactsMessage contactsMessage = syncMessage.getContacts().get();
if (contactsMessage.isComplete()) {
System.out.println("Received complete sync contacts");
} else {
System.out.println("Received sync contacts");
}
printAttachment(contactsMessage.getContactsStream());
}
if (syncMessage.getGroups().isPresent()) {
System.out.println("Received sync groups");
printAttachment(syncMessage.getGroups().get());
}
if (syncMessage.getRead().isPresent()) {
System.out.println("Received sync read messages list");
for (ReadMessage rm : syncMessage.getRead().get()) {
ContactInfo fromContact = m.getContact(rm.getSender().getNumber().get());
System.out.println("From: " + (fromContact == null ? "" : "“" + fromContact.name + "” ") + rm.getSender().getNumber().get() + " Message timestamp: " + DateUtils.formatTimestamp(rm.getTimestamp()));
}
}
if (syncMessage.getRequest().isPresent()) {
System.out.println("Received sync request");
if (syncMessage.getRequest().get().isContactsRequest()) {
System.out.println(" - contacts request");
}
if (syncMessage.getRequest().get().isGroupsRequest()) {
System.out.println(" - groups request");
}
if (syncMessage.getRequest().get().isBlockedListRequest()) {
System.out.println(" - blocked list request");
}
if (syncMessage.getRequest().get().isConfigurationRequest()) {
System.out.println(" - configuration request");
}
if (syncMessage.getRequest().get().isKeysRequest()) {
System.out.println(" - keys request");
}
}
if (syncMessage.getSent().isPresent()) {
System.out.println("Received sync sent message");
final SentTranscriptMessage sentTranscriptMessage = syncMessage.getSent().get();
String to;
if (sentTranscriptMessage.getDestination().isPresent()) {
String dest = sentTranscriptMessage.getDestination().get().getNumber().get();
ContactInfo destContact = m.getContact(dest);
to = (destContact == null ? "" : "“" + destContact.name + "” ") + dest;
} else if (sentTranscriptMessage.getRecipients().size() > 0) {
StringBuilder toBuilder = new StringBuilder();
for (SignalServiceAddress dest : sentTranscriptMessage.getRecipients()) {
ContactInfo destContact = m.getContact(dest.getNumber().get());
toBuilder.append(destContact == null ? "" : "“" + destContact.name + "” ").append(dest.getNumber().get()).append(" ");
}
to = toBuilder.toString();
} else {
to = "Unknown";
}
System.out.println("To: " + to + " , Message timestamp: " + DateUtils.formatTimestamp(sentTranscriptMessage.getTimestamp()));
if (sentTranscriptMessage.getExpirationStartTimestamp() > 0) {
System.out.println("Expiration started at: " + DateUtils.formatTimestamp(sentTranscriptMessage.getExpirationStartTimestamp()));
}
SignalServiceDataMessage message = sentTranscriptMessage.getMessage();
handleSignalServiceDataMessage(message);
}
if (syncMessage.getBlockedList().isPresent()) {
System.out.println("Received sync message with block list");
System.out.println("Blocked numbers:");
final BlockedListMessage blockedList = syncMessage.getBlockedList().get();
for (SignalServiceAddress address : blockedList.getAddresses()) {
System.out.println(" - " + address.getNumber().get());
}
}
if (syncMessage.getVerified().isPresent()) {
System.out.println("Received sync message with verified identities:");
final VerifiedMessage verifiedMessage = syncMessage.getVerified().get();
System.out.println(" - " + verifiedMessage.getDestination() + ": " + verifiedMessage.getVerified());
String safetyNumber = Util.formatSafetyNumber(m.computeSafetyNumber(verifiedMessage.getDestination(), verifiedMessage.getIdentityKey()));
System.out.println(" " + safetyNumber);
}
if (syncMessage.getConfiguration().isPresent()) {
System.out.println("Received sync message with configuration:");
final ConfigurationMessage configurationMessage = syncMessage.getConfiguration().get();
if (configurationMessage.getReadReceipts().isPresent()) {
System.out.println(" - Read receipts: " + (configurationMessage.getReadReceipts().get() ? "enabled" : "disabled"));
}
}
if (syncMessage.getFetchType().isPresent()) {
final SignalServiceSyncMessage.FetchType fetchType = syncMessage.getFetchType().get();
System.out.println("Received sync message with fetch type: " + fetchType.toString());
}
if (syncMessage.getViewOnceOpen().isPresent()) {
final ViewOnceOpenMessage viewOnceOpenMessage = syncMessage.getViewOnceOpen().get();
System.out.println("Received sync message with view once open message:");
System.out.println(" - Sender:" + viewOnceOpenMessage.getSender().getNumber().get());
System.out.println(" - Timestamp:" + viewOnceOpenMessage.getTimestamp());
}
if (syncMessage.getStickerPackOperations().isPresent()) {
final List<StickerPackOperationMessage> stickerPackOperationMessages = syncMessage.getStickerPackOperations().get();
System.out.println("Received sync message with sticker pack operations:");
for (StickerPackOperationMessage m : stickerPackOperationMessages) {
System.out.println(" - " + m.getType().toString());
if (m.getPackId().isPresent()) {
System.out.println(" packId: " + Base64.encodeBytes(m.getPackId().get()));
}
if (m.getPackKey().isPresent()) {
System.out.println(" packKey: " + Base64.encodeBytes(m.getPackKey().get()));
}
}
}
}
if (content.getCallMessage().isPresent()) {
System.out.println("Received a call message");
SignalServiceCallMessage callMessage = content.getCallMessage().get();
if (callMessage.getAnswerMessage().isPresent()) {
AnswerMessage answerMessage = callMessage.getAnswerMessage().get();
System.out.println("Answer message: " + answerMessage.getId() + ": " + answerMessage.getDescription());
}
if (callMessage.getBusyMessage().isPresent()) {
BusyMessage busyMessage = callMessage.getBusyMessage().get();
System.out.println("Busy message: " + busyMessage.getId());
}
if (callMessage.getHangupMessage().isPresent()) {
HangupMessage hangupMessage = callMessage.getHangupMessage().get();
System.out.println("Hangup message: " + hangupMessage.getId());
}
if (callMessage.getIceUpdateMessages().isPresent()) {
List<IceUpdateMessage> iceUpdateMessages = callMessage.getIceUpdateMessages().get();
for (IceUpdateMessage iceUpdateMessage : iceUpdateMessages) {
System.out.println("Ice update message: " + iceUpdateMessage.getId() + ", sdp: " + iceUpdateMessage.getSdp());
}
}
if (callMessage.getOfferMessage().isPresent()) {
OfferMessage offerMessage = callMessage.getOfferMessage().get();
System.out.println("Offer message: " + offerMessage.getId() + ": " + offerMessage.getDescription());
}
}
if (content.getReceiptMessage().isPresent()) {
System.out.println("Received a receipt message");
SignalServiceReceiptMessage receiptMessage = content.getReceiptMessage().get();
System.out.println(" - When: " + DateUtils.formatTimestamp(receiptMessage.getWhen()));
if (receiptMessage.isDeliveryReceipt()) {
System.out.println(" - Is delivery receipt");
}
if (receiptMessage.isReadReceipt()) {
System.out.println(" - Is read receipt");
}
System.out.println(" - Timestamps:");
for (long timestamp : receiptMessage.getTimestamps()) {
System.out.println(" " + DateUtils.formatTimestamp(timestamp));
}
}
if (content.getTypingMessage().isPresent()) {
System.out.println("Received a typing message");
SignalServiceTypingMessage typingMessage = content.getTypingMessage().get();
System.out.println(" - Action: " + typingMessage.getAction());
System.out.println(" - Timestamp: " + DateUtils.formatTimestamp(typingMessage.getTimestamp()));
if (typingMessage.getGroupId().isPresent()) {
GroupInfo group = m.getGroup(typingMessage.getGroupId().get());
if (group != null) {
System.out.println(" Name: " + group.name);
} else {
System.out.println(" Name: <Unknown group>");
}
}
}
}
} else {
System.out.println("Unknown message received.");
}
System.out.println();
}
private void handleSignalServiceDataMessage(SignalServiceDataMessage message) {
System.out.println("Message timestamp: " + DateUtils.formatTimestamp(message.getTimestamp()));
if (message.getBody().isPresent()) {
System.out.println("Body: " + message.getBody().get());
}
if (message.getGroupContext().isPresent() && message.getGroupContext().get().getGroupV1().isPresent()) {
SignalServiceGroup groupInfo = message.getGroupContext().get().getGroupV1().get();
System.out.println("Group info:");
System.out.println(" Id: " + Base64.encodeBytes(groupInfo.getGroupId()));
if (groupInfo.getType() == SignalServiceGroup.Type.UPDATE && groupInfo.getName().isPresent()) {
System.out.println(" Name: " + groupInfo.getName().get());
} else {
GroupInfo group = m.getGroup(groupInfo.getGroupId());
if (group != null) {
System.out.println(" Name: " + group.name);
} else {
System.out.println(" Name: <Unknown group>");
}
}
System.out.println(" Type: " + groupInfo.getType());
if (groupInfo.getMembers().isPresent()) {
for (SignalServiceAddress member : groupInfo.getMembers().get()) {
System.out.println(" Member: " + member.getNumber().get());
}
}
if (groupInfo.getAvatar().isPresent()) {
System.out.println(" Avatar:");
printAttachment(groupInfo.getAvatar().get());
}
}
if (message.getPreviews().isPresent()) {
final List<SignalServiceDataMessage.Preview> previews = message.getPreviews().get();
System.out.println("Previes:");
for (SignalServiceDataMessage.Preview preview : previews) {
System.out.println(" - Title: " + preview.getTitle());
System.out.println(" - Url: " + preview.getUrl());
if (preview.getImage().isPresent()) {
printAttachment(preview.getImage().get());
}
}
}
if (message.getSharedContacts().isPresent()) {
final List<SharedContact> sharedContacts = message.getSharedContacts().get();
System.out.println("Contacts:");
for (SharedContact contact : sharedContacts) {
System.out.println(" - Name: " + contact.getName());
// TODO show or store rest of the contact info
}
}
if (message.getSticker().isPresent()) {
final SignalServiceDataMessage.Sticker sticker = message.getSticker().get();
System.out.println("Sticker:");
System.out.println(" - Pack id: " + Base64.encodeBytes(sticker.getPackId()));
System.out.println(" - Pack key: " + Base64.encodeBytes(sticker.getPackKey()));
System.out.println(" - Sticker id: " + sticker.getStickerId());
// TODO also download sticker image ??
}
if (message.isEndSession()) {
System.out.println("Is end session");
}
if (message.isExpirationUpdate()) {
System.out.println("Is Expiration update: " + message.isExpirationUpdate());
}
if (message.getExpiresInSeconds() > 0) {
System.out.println("Expires in: " + message.getExpiresInSeconds() + " seconds");
}
if (message.getProfileKey().isPresent()) {
System.out.println("Profile key update, key length:" + message.getProfileKey().get().length);
}
if (message.getReaction().isPresent()) {
final SignalServiceDataMessage.Reaction reaction = message.getReaction().get();
System.out.println("Reaction:");
System.out.println(" - Emoji: " + reaction.getEmoji());
System.out.println(" - Target author: " + reaction.getTargetAuthor().getNumber().get());
System.out.println(" - Target timestamp: " + reaction.getTargetSentTimestamp());
System.out.println(" - Is remove: " + reaction.isRemove());
}
if (message.getQuote().isPresent()) {
SignalServiceDataMessage.Quote quote = message.getQuote().get();
System.out.println("Quote: (" + quote.getId() + ")");
System.out.println(" Author: " + quote.getAuthor().getNumber().get());
System.out.println(" Text: " + quote.getText());
if (quote.getAttachments().size() > 0) {
System.out.println(" Attachments: ");
for (SignalServiceDataMessage.Quote.QuotedAttachment attachment : quote.getAttachments()) {
System.out.println(" Filename: " + attachment.getFileName());
System.out.println(" Type: " + attachment.getContentType());
System.out.println(" Thumbnail:");
if (attachment.getThumbnail() != null) {
printAttachment(attachment.getThumbnail());
}
}
}
}
if (message.getAttachments().isPresent()) {
System.out.println("Attachments: ");
for (SignalServiceAttachment attachment : message.getAttachments().get()) {
printAttachment(attachment);
}
}
}
private void printAttachment(SignalServiceAttachment attachment) {
System.out.println("- " + attachment.getContentType() + " (" + (attachment.isPointer() ? "Pointer" : "") + (attachment.isStream() ? "Stream" : "") + ")");
if (attachment.isPointer()) {
final SignalServiceAttachmentPointer pointer = attachment.asPointer();
System.out.println(" Id: " + pointer.getRemoteId() + " Key length: " + pointer.getKey().length);
System.out.println(" Filename: " + (pointer.getFileName().isPresent() ? pointer.getFileName().get() : "-"));
System.out.println(" Size: " + (pointer.getSize().isPresent() ? pointer.getSize().get() + " bytes" : "<unavailable>") + (pointer.getPreview().isPresent() ? " (Preview is available: " + pointer.getPreview().get().length + " bytes)" : ""));
System.out.println(" Voice note: " + (pointer.getVoiceNote() ? "yes" : "no"));
System.out.println(" Dimensions: " + pointer.getWidth() + "x" + pointer.getHeight());
File file = m.getAttachmentFile(pointer.getRemoteId());
if (file.exists()) {
System.out.println(" Stored plaintext in: " + file);
}
}
}
}
