OmemoClient.java
/**
*
* Copyright 2019 Paul Schaub
*
* This file is part of smack-repl.
*
* smack-repl is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.igniterealtime.smack.smackrepl;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jivesoftware.smack.SmackConfiguration;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.SmackException.NotConnectedException;
import org.jivesoftware.smack.SmackException.NotLoggedInException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.Message;
import org.jivesoftware.smack.packet.MessageBuilder;
import org.jivesoftware.smack.packet.Stanza;
import org.jivesoftware.smack.tcp.XMPPTCPConnection;
import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration;
import org.jivesoftware.smackx.carbons.packet.CarbonExtension;
import org.jivesoftware.smackx.muc.MultiUserChat;
import org.jivesoftware.smackx.omemo.OmemoManager;
import org.jivesoftware.smackx.omemo.OmemoMessage;
import org.jivesoftware.smackx.omemo.exceptions.CannotEstablishOmemoSessionException;
import org.jivesoftware.smackx.omemo.exceptions.CorruptedOmemoKeyException;
import org.jivesoftware.smackx.omemo.exceptions.CryptoFailedException;
import org.jivesoftware.smackx.omemo.exceptions.UndecidedOmemoIdentityException;
import org.jivesoftware.smackx.omemo.internal.OmemoDevice;
import org.jivesoftware.smackx.omemo.listener.OmemoMessageListener;
import org.jivesoftware.smackx.omemo.listener.OmemoMucMessageListener;
import org.jivesoftware.smackx.omemo.signal.SignalCachingOmemoStore;
import org.jivesoftware.smackx.omemo.signal.SignalFileBasedOmemoStore;
import org.jivesoftware.smackx.omemo.signal.SignalOmemoService;
import org.jivesoftware.smackx.omemo.trust.OmemoFingerprint;
import org.jivesoftware.smackx.omemo.trust.OmemoTrustCallback;
import org.jivesoftware.smackx.omemo.trust.TrustState;
import org.jivesoftware.smackx.pubsub.PubSubException;
import org.jxmpp.jid.BareJid;
import org.jxmpp.jid.EntityBareJid;
import org.jxmpp.jid.impl.JidCreate;
public class OmemoClient {
public static final Logger LOGGER = Logger.getLogger(OmemoClient.class.getName());
private static final Scanner scanner = new Scanner(System.in, "UTF-8");
private final XMPPTCPConnection connection;
private final OmemoManager omemoManager;
public static void main(String[] args)
throws XMPPException, SmackException, IOException, InterruptedException, CorruptedOmemoKeyException {
SmackConfiguration.DEBUG = true;
if (args.length != 2) {
print("Missing arguments: <jid> <password>");
return;
}
SignalOmemoService.acknowledgeLicense();
SignalOmemoService.setup();
SignalOmemoService omemoService = (SignalOmemoService) SignalOmemoService.getInstance();
Path omemoStoreDirectory = Files.createTempDirectory("omemo-store");
omemoService.setOmemoStoreBackend(new SignalCachingOmemoStore(new SignalFileBasedOmemoStore(omemoStoreDirectory.toFile())));
EntityBareJid jid = JidCreate.entityBareFromOrThrowUnchecked(args[0]);
String password = args[1];
OmemoClient client = new OmemoClient(jid, password);
try {
client.start();
while (true) {
String input = scanner.nextLine();
if (input.startsWith("/quit")) {
break;
}
if (input.isEmpty()) {
continue;
}
client.handleInput(input);
}
} finally {
client.stop();
}
}
public OmemoClient(EntityBareJid jid, String password) {
connection = new XMPPTCPConnection(XMPPTCPConnectionConfiguration.builder()
.setXmppAddressAndPassword(jid, password).build());
connection.setReplyTimeout(10 * 1000);
omemoManager = OmemoManager.getInstanceFor(connection);
omemoManager.setTrustCallback(new OmemoTrustCallback() {
// In a real app you'd want to persist these decisions
private final Map<OmemoFingerprint, TrustState> trustStateMap = new HashMap<>();
@Override
public TrustState getTrust(OmemoDevice device, OmemoFingerprint fingerprint) {
return trustStateMap.get(fingerprint) != null ? trustStateMap.get(fingerprint) : TrustState.undecided;
}
@Override
public void setTrust(OmemoDevice device, OmemoFingerprint fingerprint, TrustState state) {
trustStateMap.put(fingerprint, state);
}
});
omemoManager.addOmemoMessageListener(new OmemoMessageListener() {
@Override
public void onOmemoMessageReceived(Stanza s, OmemoMessage.Received m) {
print(m.getSenderDevice() + ": " + (m.getBody() != null ? m.getBody() : "<keyTransportMessage>"));
}
@Override
public void onOmemoCarbonCopyReceived(CarbonExtension.Direction d, Message cc, Message wm, OmemoMessage.Received m) {
onOmemoMessageReceived(cc, m);
}
});
omemoManager.addOmemoMucMessageListener(new OmemoMucMessageListener() {
@Override
public void onOmemoMucMessageReceived(MultiUserChat muc, Stanza s, OmemoMessage.Received m) {
print(s.getFrom() + ":" + m.getSenderDevice().getDeviceId() + ": " + (m.getBody() != null ? m.getBody() : "<keyTransportMessage>"));
}
});
}
public void start()
throws XMPPException, SmackException, IOException, InterruptedException, CorruptedOmemoKeyException {
connection.connect().login();
omemoManager.initialize();
print("Logged in!");
}
public void stop() {
connection.disconnect();
}
public void handleInput(String input)
throws NotConnectedException, NotLoggedInException, InterruptedException, IOException {
String[] com = input.split(" ", 3);
switch (com[0]) {
case "/omemo":
if (com.length < 3) {
print("Usage: /omemo <contact-jid> <message>");
return;
}
BareJid recipient = JidCreate.bareFrom(com[1]);
String body = com[2];
MessageBuilder messageBuilder = connection.getStanzaFactory().buildMessageStanza();
try {
Message omemoMessage = omemoManager.encrypt(recipient, body).buildMessage(messageBuilder, recipient);
connection.sendStanza(omemoMessage);
} catch (UndecidedOmemoIdentityException e) {
print("Undecided Identities!\n" + Arrays.toString(e.getUndecidedDevices().toArray()));
} catch (CryptoFailedException | SmackException.NoResponseException e) {
LOGGER.log(Level.SEVERE, "Unexpected Exception", e);
}
break;
case "/trust":
print("Trust");
if (com.length != 2) {
print("Usage: /trust <contact-jid>");
}
BareJid contact = JidCreate.bareFrom(com[1]);
HashMap<OmemoDevice, OmemoFingerprint> devices;
try {
devices = omemoManager.getActiveFingerprints(contact);
} catch (CorruptedOmemoKeyException | CannotEstablishOmemoSessionException | SmackException.NoResponseException e) {
LOGGER.log(Level.SEVERE, "Unexpected Exception", e);
return;
}
for (OmemoDevice d : devices.keySet()) {
print("Trust (1) or distrust (2)?\n" + devices.get(d).blocksOf8Chars());
if (Integer.parseInt(scanner.nextLine()) == 1) {
omemoManager.trustOmemoIdentity(d, devices.get(d));
} else {
omemoManager.distrustOmemoIdentity(d, devices.get(d));
}
}
print("Done.");
break;
case "/purge":
try {
omemoManager.purgeDeviceList();
print("Purged.");
} catch (XMPPException.XMPPErrorException | SmackException.NoResponseException | PubSubException.NotALeafNodeException e) {
LOGGER.log(Level.SEVERE, "Unexpected Exception", e);
}
}
}
private static void print(String msg) {
// CHECKSTYLE:OFF
System.out.println(msg);
// CHECKSTYLE:ON
}
}