route jingle message inits

src/main/java/eu/siacs/conversations/generator/AbstractGenerator.java

@@ -39,7 +39,8 @@ public abstract class AbstractGenerator {
 			Namespace.JINGLE_TRANSPORT_ICE_UDP,
 			Namespace.JINGLE_FEATURE_AUDIO,
 			Namespace.JINGLE_FEATURE_VIDEO,
-			Namespace.JINGLE_APP_RTP,
+			Namespace.JINGLE_APPS_RTP,
+			Namespace.JINGLE_APPS_DTLS,
 
 			"http://jabber.org/protocol/muc",
 			"jabber:x:conference",

src/main/java/eu/siacs/conversations/parser/MessageParser.java

@@ -6,6 +6,7 @@ import android.util.Pair;
 import java.net.URL;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
 import java.util.List;
@@ -50,6 +51,8 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
 
     private static final SimpleDateFormat TIME_FORMAT = new SimpleDateFormat("HH:mm:ss", Locale.ENGLISH);
 
+    private static final List<String> JINGLE_MESSAGE_ELEMENT_NAMES = Arrays.asList("accept", "propose", "proceed", "reject", "retract");
+
     public MessageParser(XmppConnectionService service) {
         super(service);
     }
@@ -136,7 +139,7 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
                         return new Message(conversation, "", Message.ENCRYPTION_AXOLOTL_FAILED, status);
                     }
                 } else {
-                    Log.d(Config.LOGTAG,"ignoring broken session exception because checkForDuplicates failed");
+                    Log.d(Config.LOGTAG, "ignoring broken session exception because checkForDuplicates failed");
                     return null;
                 }
             } catch (NotEncryptedForThisDeviceException e) {
@@ -249,13 +252,13 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
                 final Jid id = InvalidJid.getNullForInvalid(retract.getAttributeAsJid("id"));
                 if (id != null) {
                     account.removeBookmark(id);
-                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": deleted bookmark for "+id);
+                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": deleted bookmark for " + id);
                     mXmppConnectionService.processDeletedBookmark(account, id);
                     mXmppConnectionService.updateConversationUi();
                 }
             }
         } else {
-            Log.d(Config.LOGTAG,account.getJid().asBareJid()+" received pubsub notification for node="+node);
+            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " received pubsub notification for node=" + node);
         }
     }
 
@@ -267,7 +270,7 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
             setNick(account, from, null);
         } else if (Namespace.BOOKMARKS2.equals(node) && account.getJid().asBareJid().equals(from)) {
             account.setBookmarks(Collections.emptyMap());
-            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": deleted bookmarks node");
+            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": deleted bookmarks node");
         }
     }
 
@@ -276,7 +279,7 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
         final String node = purge == null ? null : purge.getAttribute("node");
         if (Namespace.BOOKMARKS2.equals(node) && account.getJid().asBareJid().equals(from)) {
             account.setBookmarks(Collections.emptyMap());
-            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": purged bookmarks");
+            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": purged bookmarks");
         }
     }
 
@@ -308,10 +311,10 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
                 final Element error = packet.findChild("error");
                 final boolean pingWorthyError = error != null && (error.hasChild("not-acceptable") || error.hasChild("remote-server-timeout") || error.hasChild("remote-server-not-found"));
                 if (pingWorthyError) {
-                    Conversation conversation = mXmppConnectionService.find(account,from);
+                    Conversation conversation = mXmppConnectionService.find(account, from);
                     if (conversation != null && conversation.getMode() == Conversational.MODE_MULTI) {
                         if (conversation.getMucOptions().online()) {
-                            Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received ping worthy error for seemingly online muc at "+from);
+                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received ping worthy error for seemingly online muc at " + from);
                             mXmppConnectionService.mucSelfPingAndRejoin(conversation);
                         }
                     }
@@ -419,9 +422,9 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
         final Invite invite = extractInvite(packet);
         if (invite != null) {
             if (isTypeGroupChat) {
-                Log.d(Config.LOGTAG,account.getJid().asBareJid()+": ignoring invite to "+invite.jid+" because type=groupchat");
+                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ignoring invite to " + invite.jid + " because type=groupchat");
             } else if (invite.direct && (mucUserElement != null || invite.inviter == null || mXmppConnectionService.isMuc(account, invite.inviter))) {
-                Log.d(Config.LOGTAG, account.getJid().asBareJid()+": ignoring direct invite to "+invite.jid+" because it was received in MUC");
+                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ignoring direct invite to " + invite.jid + " because it was received in MUC");
             } else {
                 invite.execute(account);
                 return;
@@ -504,7 +507,7 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
                 final boolean checkedForDuplicates = liveMessage || (serverMsgId != null && remoteMsgId != null && !conversation.possibleDuplicate(serverMsgId, remoteMsgId));
 
                 if (origin != null) {
-                    message = parseAxolotlChat(axolotlEncrypted, origin, conversation, status,  checkedForDuplicates,query != null);
+                    message = parseAxolotlChat(axolotlEncrypted, origin, conversation, status, checkedForDuplicates, query != null);
                 } else {
                     Message trial = null;
                     for (Jid fallback : fallbacksBySourceId) {
@@ -809,6 +812,13 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
                     }
                 }
             }
+            if (!isTypeGroupChat) {
+                for (Element child : packet.getChildren()) {
+                    if (Namespace.JINGLE_MESSAGE.equals(child.getNamespace()) && JINGLE_MESSAGE_ELEMENT_NAMES.contains(child.getName())) {
+                        mXmppConnectionService.getJingleConnectionManager().deliverMessage(account, packet.getTo(), packet.getFrom(), child);
+                    }
+                }
+            }
         }
 
         Element received = packet.findChild("received", "urn:xmpp:chat-markers:0");
@@ -944,7 +954,7 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
             if (jid != null) {
                 Conversation conversation = mXmppConnectionService.findOrCreateConversation(account, jid, true, false);
                 if (conversation.getMucOptions().online()) {
-                    Log.d(Config.LOGTAG,account.getJid().asBareJid()+": received invite to "+jid+" but muc is considered to be online");
+                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received invite to " + jid + " but muc is considered to be online");
                     mXmppConnectionService.mucSelfPingAndRejoin(conversation);
                 } else {
                     conversation.getMucOptions().setPassword(password);

src/main/java/eu/siacs/conversations/xml/Namespace.java

@@ -16,9 +16,9 @@ public final class Namespace {
     public static final String SASL = "urn:ietf:params:xml:ns:xmpp-sasl";
     public static final String TLS = "urn:ietf:params:xml:ns:xmpp-tls";
     public static final String PUBSUB = "http://jabber.org/protocol/pubsub";
-	public static final String PUBSUB_PUBLISH_OPTIONS = PUBSUB+"#publish-options";
+    public static final String PUBSUB_PUBLISH_OPTIONS = PUBSUB + "#publish-options";
-	public static final String PUBSUB_ERROR = PUBSUB+"#errors";
+    public static final String PUBSUB_ERROR = PUBSUB + "#errors";
-	public static final String PUBSUB_OWNER = PUBSUB+"#owner";
+    public static final String PUBSUB_OWNER = PUBSUB + "#owner";
     public static final String NICK = "http://jabber.org/protocol/nick";
     public static final String FLEXIBLE_OFFLINE_MESSAGE_RETRIEVAL = "http://jabber.org/protocol/offline";
     public static final String BIND = "urn:ietf:params:xml:ns:xmpp-bind";
@@ -27,22 +27,24 @@ public final class Namespace {
     public static final String BOOKMARKS = "storage:bookmarks";
     public static final String SYNCHRONIZATION = "im.quicksy.synchronization:0";
     public static final String AVATAR_CONVERSION = "urn:xmpp:pep-vcard-conversion:0";
+    public static final String JINGLE = "urn:xmpp:jingle:1";
+    public static final String JINGLE_MESSAGE = "urn:xmpp:jingle-message:0";
+    public static final String JINGLE_ENCRYPTED_TRANSPORT = "urn:xmpp:jingle:jet:0";
+    public static final String JINGLE_ENCRYPTED_TRANSPORT_OMEMO = "urn:xmpp:jingle:jet-omemo:0";
     public static final String JINGLE_TRANSPORTS_S5B = "urn:xmpp:jingle:transports:s5b:1";
     public static final String JINGLE_TRANSPORTS_IBB = "urn:xmpp:jingle:transports:ibb:1";
     public static final String JINGLE_TRANSPORT_ICE_UDP = "urn:xmpp:jingle:transports:ice-udp:1";
-	public static final String JINGLE_APP_RTP = "urn:xmpp:jingle:apps:rtp:1";
+    public static final String JINGLE_APPS_RTP = "urn:xmpp:jingle:apps:rtp:1";
+    public static final String JINGLE_APPS_DTLS = "urn:xmpp:jingle:apps:dtls:0";
     public static final String JINGLE_FEATURE_AUDIO = "urn:xmpp:jingle:apps:rtp:audio";
     public static final String JINGLE_FEATURE_VIDEO = "urn:xmpp:jingle:apps:rtp:video";
     public static final String IBB = "http://jabber.org/protocol/ibb";
     public static final String PING = "urn:xmpp:ping";
     public static final String PUSH = "urn:xmpp:push:0";
     public static final String COMMANDS = "http://jabber.org/protocol/commands";
-	public static final String JINGLE = "urn:xmpp:jingle:1";
-	public static final String JINGLE_ENCRYPTED_TRANSPORT = "urn:xmpp:jingle:jet:0";
-	public static final String JINGLE_ENCRYPTED_TRANSPORT_OMEMO = "urn:xmpp:jingle:jet-omemo:0";
     public static final String MUC_USER = "http://jabber.org/protocol/muc#user";
     public static final String BOOKMARKS2 = "urn:xmpp:bookmarks:0";
-	public static final String BOOKMARKS2_COMPAT = BOOKMARKS2+"#compat";
+    public static final String BOOKMARKS2_COMPAT = BOOKMARKS2 + "#compat";
     public static final String INVITE = "urn:xmpp:invite";
     public static final String PARS = "urn:xmpp:pars:0";
 }

src/main/java/eu/siacs/conversations/xmpp/jingle/AbstractJingleConnection.java

@@ -30,14 +30,14 @@ public abstract class AbstractJingleConnection {
 
     public static class Id {
         public final Account account;
-        public final Jid counterPart;
+        public final Jid with;
         public final String sessionId;
 
-        private Id(final Account account, final Jid counterPart, final String sessionId) {
+        private Id(final Account account, final Jid with, final String sessionId) {
-            Preconditions.checkNotNull(counterPart);
+            Preconditions.checkNotNull(with);
-            Preconditions.checkArgument(counterPart.isFullJid());
+            Preconditions.checkArgument(with.isFullJid());
             this.account = account;
-            this.counterPart = counterPart;
+            this.with = with;
             this.sessionId = sessionId;
         }
 
@@ -45,6 +45,10 @@ public abstract class AbstractJingleConnection {
             return new Id(account, jinglePacket.getFrom(), jinglePacket.getSessionId());
         }
 
+        public static Id of(Account account, Jid with, final String sessionId) {
+            return new Id(account, with, sessionId);
+        }
+
         public static Id of(Message message) {
             return new Id(
                     message.getConversation().getAccount(),
@@ -59,13 +63,13 @@ public abstract class AbstractJingleConnection {
             if (o == null || getClass() != o.getClass()) return false;
             Id id = (Id) o;
             return Objects.equal(account.getJid(), id.account.getJid()) &&
-                    Objects.equal(counterPart, id.counterPart) &&
+                    Objects.equal(with, id.with) &&
                     Objects.equal(sessionId, id.sessionId);
         }
 
         @Override
         public int hashCode() {
-            return Objects.hashCode(account.getJid(), counterPart, sessionId);
+            return Objects.hashCode(account.getJid(), with, sessionId);
         }
     }
 }

src/main/java/eu/siacs/conversations/xmpp/jingle/JingleConnectionManager.java

@@ -22,6 +22,7 @@ import eu.siacs.conversations.xmpp.jingle.stanzas.Content;
 import eu.siacs.conversations.xmpp.jingle.stanzas.FileTransferDescription;
 import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 import eu.siacs.conversations.xmpp.stanzas.IqPacket;
+import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 import rocks.xmpp.addr.Jid;
 
 public class JingleConnectionManager extends AbstractConnectionManager {
@@ -35,13 +36,16 @@ public class JingleConnectionManager extends AbstractConnectionManager {
 
     public void deliverPacket(final Account account, final JinglePacket packet) {
         final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(account, packet);
-        if (packet.getAction() == JinglePacket.Action.SESSION_INITIATE) { //TODO check that id doesn't exist yet
+        final AbstractJingleConnection existingJingleConnection = connections.get(id);
+        if (existingJingleConnection != null) {
+            existingJingleConnection.deliverPacket(packet);
+        } else if (packet.getAction() == JinglePacket.Action.SESSION_INITIATE) {
             final Content content = packet.getJingleContent();
             final String descriptionNamespace = content == null ? null : content.getDescriptionNamespace();
             final AbstractJingleConnection connection;
             if (FileTransferDescription.NAMESPACES.contains(descriptionNamespace)) {
                 connection = new JingleFileTransferConnection(this, id);
-            } else if (Namespace.JINGLE_APP_RTP.equals(descriptionNamespace)) {
+            } else if (Namespace.JINGLE_APPS_RTP.equals(descriptionNamespace)) {
                 connection = new JingleRtpConnection(this, id);
             } else {
                 //TODO return feature-not-implemented
@@ -49,21 +53,52 @@ public class JingleConnectionManager extends AbstractConnectionManager {
             }
             connections.put(id, connection);
             connection.deliverPacket(packet);
-        } else {
-            final AbstractJingleConnection abstractJingleConnection = connections.get(id);
-            if (abstractJingleConnection != null) {
-                abstractJingleConnection.deliverPacket(packet);
         } else {
             Log.d(Config.LOGTAG, "unable to route jingle packet: " + packet);
-                IqPacket response = packet.generateResponse(IqPacket.TYPE.ERROR);
+            final IqPacket response = packet.generateResponse(IqPacket.TYPE.ERROR);
-                Element error = response.addChild("error");
+            final Element error = response.addChild("error");
             error.setAttribute("type", "cancel");
-                error.addChild("item-not-found",
+            error.addChild("item-not-found", "urn:ietf:params:xml:ns:xmpp-stanzas");
-                        "urn:ietf:params:xml:ns:xmpp-stanzas");
             error.addChild("unknown-session", "urn:xmpp:jingle:errors:1");
             account.getXmppConnection().sendIqPacket(response, null);
         }
     }
+
+    public void deliverMessage(final Account account, final Jid to, final Jid from, final Element message) {
+        Preconditions.checkArgument(Namespace.JINGLE_MESSAGE.equals(message.getNamespace()));
+        final String sessionId = message.getAttribute("id");
+        if (sessionId == null) {
+            return;
+        }
+        final Jid with;
+        if (account.getJid().asBareJid().equals(from.asBareJid())) {
+            with = to;
+        } else {
+            with = from;
+        }
+        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received jingle message from " + from + " with=" + with + " " + message);
+        final AbstractJingleConnection.Id id = AbstractJingleConnection.Id.of(account, with, sessionId);
+        final AbstractJingleConnection existingJingleConnection = connections.get(id);
+        if (existingJingleConnection != null) {
+            if (existingJingleConnection instanceof JingleRtpConnection) {
+                ((JingleRtpConnection) existingJingleConnection).deliveryMessage(to, from, message);
+            } else {
+                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + existingJingleConnection.getClass().getName() + " does not support jingle messages");
+            }
+        } else if ("propose".equals(message.getName())) {
+            final Element description = message.findChild("description");
+            final String namespace = description == null ? null : description.getNamespace();
+            if (Namespace.JINGLE_APPS_RTP.equals(namespace)) {
+                final JingleRtpConnection rtpConnection = new JingleRtpConnection(this, id);
+                this.connections.put(id, rtpConnection);
+                rtpConnection.deliveryMessage(to, from, message);
+            } else {
+                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to react to proposed " + namespace + " session");
+            }
+        } else {
+            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": retrieved out of order jingle message");
+        }
+
     }
 
     public void startJingleFileTransfer(final Message message) {

src/main/java/eu/siacs/conversations/xmpp/jingle/JingleFileTransferConnection.java

@@ -4,11 +4,7 @@ import android.util.Base64;
 import android.util.Log;
 
 import com.google.common.base.Preconditions;
-import com.google.common.base.Predicate;
 import com.google.common.collect.Collections2;
-import com.google.common.collect.Lists;
-
-import org.checkerframework.checker.nullness.compatqual.NullableDecl;
 
 import java.io.File;
 import java.io.FileInputStream;
@@ -351,7 +347,7 @@ public class JingleFileTransferConnection extends AbstractJingleConnection imple
         this.message.setTransferable(this);
         this.mStatus = Transferable.STATUS_UPLOADING;
         this.initiator = this.id.account.getJid();
-        this.responder = this.id.counterPart;
+        this.responder = this.id.with;
         this.transportId = JingleConnectionManager.nextRandomId();
         this.setupDescription(remoteVersion);
         if (this.initialTransport == IbbTransportInfo.class) {
@@ -416,7 +412,7 @@ public class JingleFileTransferConnection extends AbstractJingleConnection imple
     }
 
     private List<String> getRemoteFeatures() {
-        final Jid jid = this.id.counterPart;
+        final Jid jid = this.id.with;
         String resource = jid != null ? jid.getResource() : null;
         if (resource != null) {
             Presence presence = this.id.account.getRoster().getContact(jid).getPresences().getPresences().get(resource);
@@ -428,14 +424,15 @@ public class JingleFileTransferConnection extends AbstractJingleConnection imple
     }
 
     private void init(JinglePacket packet) { //should move to deliverPacket
+        //TODO if not 'OFFERED' reply with out-of-order
         this.mJingleStatus = JINGLE_STATUS_INITIATED;
-        final Conversation conversation = this.xmppConnectionService.findOrCreateConversation(id.account, id.counterPart.asBareJid(), false, false);
+        final Conversation conversation = this.xmppConnectionService.findOrCreateConversation(id.account, id.with.asBareJid(), false, false);
         this.message = new Message(conversation, "", Message.ENCRYPTION_NONE);
         this.message.setStatus(Message.STATUS_RECEIVED);
         this.mStatus = Transferable.STATUS_OFFER;
         this.message.setTransferable(this);
-        this.message.setCounterpart(this.id.counterPart);
+        this.message.setCounterpart(this.id.with);
-        this.initiator = this.id.counterPart;
+        this.initiator = this.id.with;
         this.responder = this.id.account.getJid();
         final Content content = packet.getJingleContent();
         final GenericTransportInfo transportInfo = content.getTransport();
@@ -527,11 +524,11 @@ public class JingleFileTransferConnection extends AbstractJingleConnection imple
 
                 respondToIq(packet, true);
 
-                if (id.account.getRoster().getContact(id.counterPart).showInContactList()
+                if (id.account.getRoster().getContact(id.with).showInContactList()
                         && jingleConnectionManager.hasStoragePermission()
                         && size < this.jingleConnectionManager.getAutoAcceptFileSize()
                         && xmppConnectionService.isDataSaverDisabled()) {
-                    Log.d(Config.LOGTAG, "auto accepting file from " + id.counterPart);
+                    Log.d(Config.LOGTAG, "auto accepting file from " + id.with);
                     this.acceptedAutomatically = true;
                     this.sendAccept();
                 } else {
@@ -697,7 +694,7 @@ public class JingleFileTransferConnection extends AbstractJingleConnection imple
 
     private JinglePacket bootstrapPacket(JinglePacket.Action action) {
         final JinglePacket packet = new JinglePacket(action, this.id.sessionId);
-        packet.setTo(id.counterPart);
+        packet.setTo(id.with);
         return packet;
     }
 
@@ -837,7 +834,7 @@ public class JingleFileTransferConnection extends AbstractJingleConnection imple
                     activation.query("http://jabber.org/protocol/bytestreams")
                             .setAttribute("sid", sid);
                     activation.query().addChild("activate")
-                            .setContent(this.id.counterPart.toEscapedString());
+                            .setContent(this.id.with.toEscapedString());
                     xmppConnectionService.sendIqPacket(this.id.account, activation, (account, response) -> {
                         if (response.getType() != IqPacket.TYPE.RESULT) {
                             Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": " + response.toString());

src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInBandTransport.java

@@ -65,7 +65,7 @@ public class JingleInBandTransport extends JingleTransport {
     JingleInBandTransport(final JingleFileTransferConnection connection, final String sid, final int blockSize) {
         this.connection = connection;
         this.account = connection.getId().account;
-        this.counterpart = connection.getId().counterPart;
+        this.counterpart = connection.getId().with;
         this.blockSize = blockSize;
         this.sessionId = sid;
     }

src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java

@@ -3,7 +3,9 @@ package eu.siacs.conversations.xmpp.jingle;
 import android.util.Log;
 
 import eu.siacs.conversations.Config;
+import eu.siacs.conversations.xml.Element;
 import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
+import rocks.xmpp.addr.Jid;
 
 public class JingleRtpConnection extends AbstractJingleConnection {
 
@@ -16,4 +18,8 @@ public class JingleRtpConnection extends AbstractJingleConnection {
     void deliverPacket(final JinglePacket jinglePacket) {
         Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": packet delivered to JingleRtpConnection");
     }
+
+    void deliveryMessage(final Jid to, Jid from, Element message) {
+        Log.d(Config.LOGTAG, id.account.getJid().asBareJid() + ": delivered message to JingleRtpConnection " + message);
+    }
 }

src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java

@@ -23,7 +23,6 @@ import eu.siacs.conversations.services.AbstractConnectionManager;
 import eu.siacs.conversations.utils.CryptoHelper;
 import eu.siacs.conversations.utils.SocksSocketFactory;
 import eu.siacs.conversations.utils.WakeLockHelper;
-import eu.siacs.conversations.xmpp.jingle.stanzas.Content;
 import eu.siacs.conversations.xmpp.jingle.stanzas.FileTransferDescription;
 
 public class JingleSocks5Transport extends JingleTransport {
@@ -61,9 +60,9 @@ public class JingleSocks5Transport extends JingleTransport {
         }
         if (candidate.isOurs()) {
             destBuilder.append(this.account.getJid());
-            destBuilder.append(this.connection.getId().counterPart);
+            destBuilder.append(this.connection.getId().with);
         } else {
-            destBuilder.append(this.connection.getId().counterPart);
+            destBuilder.append(this.connection.getId().with);
             destBuilder.append(this.account.getJid());
         }
         messageDigest.reset();

src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/RtpDescription.java

@@ -14,8 +14,8 @@ public class RtpDescription extends GenericDescription {
 
     public static RtpDescription upgrade(final Element element) {
         Preconditions.checkArgument("description".equals(element.getName()), "Name of provided element is not description");
-        Preconditions.checkArgument(Namespace.JINGLE_APP_RTP.equals(element.getNamespace()), "Element does not match the jingle rtp namespace");
+        Preconditions.checkArgument(Namespace.JINGLE_APPS_RTP.equals(element.getNamespace()), "Element does not match the jingle rtp namespace");
-        final RtpDescription description = new RtpDescription("description", Namespace.JINGLE_APP_RTP);
+        final RtpDescription description = new RtpDescription("description", Namespace.JINGLE_APPS_RTP);
         description.setAttributes(element.getAttributes());
         description.setChildren(element.getChildren());
         return description;