@Override
public void processPacket(Stanza packet) {
LOGGER.info("got public key: " + StringUtils.abbreviate(packet.toXML().toString(), 300));
PublicKeyPublish publicKeyPacket = (PublicKeyPublish) packet;
if (publicKeyPacket.getType() == IQ.Type.set) {
LOGGER.warning("ignoring public key packet with type 'set'");
return;
}
if (publicKeyPacket.getType() == IQ.Type.result) {
byte[] keyData = publicKeyPacket.getPublicKey();
if (keyData == null) {
LOGGER.warning("got public key packet without public key");
return;
}
mControl.setPGPKey(publicKeyPacket.getFrom(), keyData);
}
}
boolean sendMessage(OutMessage message, boolean sendChatState) {
// check for correct receipt status and reset it
KonMessage.Status status = message.getStatus();
assert status == KonMessage.Status.PENDING || status == KonMessage.Status.ERROR;
message.setStatus(KonMessage.Status.PENDING);
if (!mClient.isConnected()) {
LOGGER.info("not sending message(s), not connected");
return false;
}
MessageContent content = message.getContent();
MessageContent.Attachment att = content.getAttachment().orElse(null);
if (att != null && !att.hasURL()) {
LOGGER.warning("attachment not uploaded");
message.setStatus(KonMessage.Status.ERROR);
return false;
}
boolean encrypted =
message.getCoderStatus().getEncryption() != Coder.Encryption.NOT
|| message.getCoderStatus().getSigning() != Coder.Signing.NOT;
Chat chat = message.getChat();
Message protoMessage = encrypted ? new Message() : rawMessage(content, chat, false);
protoMessage.setType(Message.Type.chat);
protoMessage.setStanzaId(message.getXMPPID());
String threadID = chat.getXMPPID();
if (!threadID.isEmpty()) protoMessage.setThread(threadID);
// extensions
// TODO with group chat? (for muc "NOT RECOMMENDED")
if (!chat.isGroupChat()) protoMessage.addExtension(new DeliveryReceiptRequest());
if (sendChatState) protoMessage.addExtension(new ChatStateExtension(ChatState.active));
if (encrypted) {
byte[] encryptedData =
content.isComplex() || chat.isGroupChat()
? Coder.encryptStanza(message, rawMessage(content, chat, true).toXML().toString())
.orElse(null)
: Coder.encryptMessage(message).orElse(null);
// check also for security errors just to be sure
if (encryptedData == null || !message.getCoderStatus().getErrors().isEmpty()) {
LOGGER.warning("encryption failed");
message.setStatus(KonMessage.Status.ERROR);
mControl.handleSecurityErrors(message);
return false;
}
protoMessage.addExtension(new E2EEncryption(encryptedData));
}
// transmission specific
Transmission[] transmissions = message.getTransmissions();
ArrayList<Message> sendMessages = new ArrayList<>(transmissions.length);
for (Transmission transmission : message.getTransmissions()) {
Message sendMessage = protoMessage.clone();
JID to = transmission.getJID();
if (!to.isValid()) {
LOGGER.warning("invalid JID: " + to);
return false;
}
sendMessage.setTo(to.string());
sendMessages.add(sendMessage);
}
return mClient.sendPackets(sendMessages.toArray(new Message[0]));
}