include caps in outgoing presence

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

@@ -43,6 +43,12 @@ public class Element {
         return child;
     }
 
+    public void addExtensions(final Collection<? extends Extension> extensions) {
+        for(final Extension extension : extensions) {
+            addExtension(extension);
+        }
+    }
+
     public Element addChild(String name) {
         this.content = null;
         Element child = new Element(name);

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

@@ -1,85 +1,90 @@
 package eu.siacs.conversations.xml;
 
 public final class Namespace {
-    public static final String STREAMS = "http://etherx.jabber.org/streams";
+    public static final String AVATAR_CONVERSION = "urn:xmpp:pep-vcard-conversion:0";
-    public static final String DISCO_ITEMS = "http://jabber.org/protocol/disco#items";
-    public static final String DISCO_INFO = "http://jabber.org/protocol/disco#info";
-    public static final String EXTERNAL_SERVICE_DISCOVERY = "urn:xmpp:extdisco:2";
-
-    public static final String ENTITY_CAPABILITIES = "http://jabber.org/protocol/caps";
-
-    public static final String ENTITY_CAPABILITIES_2 = "urn:xmpp:caps";
-
-    public static final String HASHES = "urn:xmpp:hashes:2";
-
-    public static final String BLOCKING = "urn:xmpp:blocking";
-    public static final String ROSTER = "jabber:iq:roster";
-    public static final String REGISTER = "jabber:iq:register";
-    public static final String REGISTER_STREAM_FEATURE = "http://jabber.org/features/iq-register";
-    public static final String BYTE_STREAMS = "http://jabber.org/protocol/bytestreams";
-    public static final String HTTP_UPLOAD = "urn:xmpp:http:upload:0";
-    public static final String HTTP_UPLOAD_LEGACY = "urn:xmpp:http:upload";
-    public static final String STANZA_IDS = "urn:xmpp:sid:0";
-    public static final String IDLE = "urn:xmpp:idle:1";
-    public static final String DATA = "jabber:x:data";
-    public static final String OOB = "jabber:x:oob";
-    public static final String SASL = "urn:ietf:params:xml:ns:xmpp-sasl";
-    public static final String SASL_2 = "urn:xmpp:sasl:2";
-    public static final String CHANNEL_BINDING = "urn:xmpp:sasl-cb:0";
-    public static final String FAST = "urn:xmpp:fast:0";
-    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_ERROR = PUBSUB + "#errors";
-    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";
-    public static final String BIND2 = "urn:xmpp:bind:0";
-    public static final String STREAM_MANAGEMENT = "urn:xmpp:sm:3";
-    public static final String CSI = "urn:xmpp:csi:0";
-    public static final String CARBONS = "urn:xmpp:carbons:2";
-    public static final String BOOKMARKS_CONVERSION = "urn:xmpp:bookmarks-conversion:0";
-    public static final String BOOKMARKS = "storage:bookmarks";
-    public static final String SYNCHRONIZATION = "im.quicksy.synchronization:0";
     public static final String AVATAR_DATA = "urn:xmpp:avatar:data";
     public static final String AVATAR_METADATA = "urn:xmpp:avatar:metadata";
-    public static final String AVATAR_CONVERSION = "urn:xmpp:pep-vcard-conversion:0";
+    public static final String BIND = "urn:ietf:params:xml:ns:xmpp-bind";
-    public static final String JINGLE = "urn:xmpp:jingle:1";
+    public static final String BIND2 = "urn:xmpp:bind:0";
-    public static final String JINGLE_ERRORS = "urn:xmpp:jingle:errors:1";
+    public static final String BLOCKING = "urn:xmpp:blocking";
-    public static final String JINGLE_MESSAGE = "urn:xmpp:jingle-message:0";
+    public static final String BOOKMARKS = "storage:bookmarks";
-    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_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_APPS_GROUPING = "urn:xmpp:jingle:apps:grouping: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 JINGLE_RTP_HEADER_EXTENSIONS =
-            "urn:xmpp:jingle:apps:rtp:rtp-hdrext:0";
-    public static final String JINGLE_RTP_FEEDBACK_NEGOTIATION =
-            "urn:xmpp:jingle:apps:rtp:rtcp-fb:0";
-    public static final String JINGLE_RTP_SOURCE_SPECIFIC_MEDIA_ATTRIBUTES =
-            "urn:xmpp:jingle:apps:rtp:ssma:0";
-    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 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 INVITE = "urn:xmpp:invite";
+    public static final String BOOKMARKS_CONVERSION = "urn:xmpp:bookmarks-conversion:0";
-    public static final String PARS = "urn:xmpp:pars:0";
+    public static final String BYTE_STREAMS = "http://jabber.org/protocol/bytestreams";
+    public static final String CARBONS = "urn:xmpp:carbons:2";
+    public static final String CHANNEL_BINDING = "urn:xmpp:sasl-cb:0";
+    public static final String CHAT_MARKERS = "urn:xmpp:chat-markers:0";
+    public static final String CHAT_STATES = "http://jabber.org/protocol/chatstates";
+    public static final String COMMANDS = "http://jabber.org/protocol/commands";
+    public static final String CONFERENCE = "jabber:x:conference";
+    public static final String CSI = "urn:xmpp:csi:0";
+    public static final String DATA = "jabber:x:data";
+    public static final String DELIVERY_RECEIPTS = "urn:xmpp:receipts";
+    public static final String DISCO_INFO = "http://jabber.org/protocol/disco#info";
+    public static final String DISCO_ITEMS = "http://jabber.org/protocol/disco#items";
     public static final String EASY_ONBOARDING_INVITE = "urn:xmpp:invite#invite";
+    public static final String ENTITY_CAPABILITIES = "http://jabber.org/protocol/caps";
+    public static final String ENTITY_CAPABILITIES_2 = "urn:xmpp:caps";
+    public static final String EXTERNAL_SERVICE_DISCOVERY = "urn:xmpp:extdisco:2";
+    public static final String FAST = "urn:xmpp:fast:0";
+    public static final String FLEXIBLE_OFFLINE_MESSAGE_RETRIEVAL =
+            "http://jabber.org/protocol/offline";
+    public static final String FORWARD = "urn:xmpp:forward:0";
+    public static final String HASHES = "urn:xmpp:hashes:2";
+    public static final String HTTP_UPLOAD = "urn:xmpp:http:upload:0";
+    public static final String HTTP_UPLOAD_LEGACY = "urn:xmpp:http:upload";
+    public static final String IBB = "http://jabber.org/protocol/ibb";
+    public static final String IDLE = "urn:xmpp:idle:1";
+    public static final String INVITE = "urn:xmpp:invite";
+    public static final String JABBER_CLIENT = "jabber:client";
+    public static final String JINGLE = "urn:xmpp:jingle:1";
+    public static final String JINGLE_APPS_DTLS = "urn:xmpp:jingle:apps:dtls:0";
+    public static final String JINGLE_APPS_GROUPING = "urn:xmpp:jingle:apps:grouping:0";
+    public static final String JINGLE_APPS_RTP = "urn:xmpp:jingle:apps:rtp: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 JINGLE_ERRORS = "urn:xmpp:jingle:errors:1";
+    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 JINGLE_FILE_TRANSFER_3 = "urn:xmpp:jingle:apps:file-transfer:3";
+    public static final String JINGLE_FILE_TRANSFER_4 = "urn:xmpp:jingle:apps:file-transfer:4";
+    public static final String JINGLE_FILE_TRANSFER_5 = "urn:xmpp:jingle:apps:file-transfer:5";
+    public static final String JINGLE_MESSAGE = "urn:xmpp:jingle-message:0";
+    public static final String JINGLE_RTP_FEEDBACK_NEGOTIATION =
+            "urn:xmpp:jingle:apps:rtp:rtcp-fb:0";
+    public static final String JINGLE_RTP_HEADER_EXTENSIONS =
+            "urn:xmpp:jingle:apps:rtp:rtp-hdrext:0";
+    public static final String JINGLE_RTP_SOURCE_SPECIFIC_MEDIA_ATTRIBUTES =
+            "urn:xmpp:jingle:apps:rtp:ssma:0";
+    public static final String JINGLE_TRANSPORTS_IBB = "urn:xmpp:jingle:transports:ibb:1";
+    public static final String JINGLE_TRANSPORTS_S5B = "urn:xmpp:jingle:transports:s5b:1";
+    public static final String JINGLE_TRANSPORT_ICE_UDP = "urn:xmpp:jingle:transports:ice-udp:1";
+    public static final String LAST_MESSAGE_CORRECTION = "urn:xmpp:message-correct:0";
+    public static final String MUC = "http://jabber.org/protocol/muc";
+    public static final String MUC_USER = MUC + "#user";
+    public static final String NICK = "http://jabber.org/protocol/nick";
     public static final String OMEMO_DTLS_SRTP_VERIFICATION =
             "http://gultsch.de/xmpp/drafts/omemo/dlts-srtp-verification";
-    public static final String UNIFIED_PUSH = "http://gultsch.de/xmpp/drafts/unified-push";
+    public static final String OOB = "jabber:x:oob";
-    public static final String JABBER_CLIENT = "jabber:client";
+    public static final String PARS = "urn:xmpp:pars:0";
-    public static final String FORWARD = "urn:xmpp:forward:0";
+    public static final String PING = "urn:xmpp:ping";
-
+    public static final String PUBSUB = "http://jabber.org/protocol/pubsub";
+    public static final String PUBSUB_ERROR = PUBSUB + "#errors";
+    public static final String PUBSUB_OWNER = PUBSUB + "#owner";
+    public static final String PUBSUB_PUBLISH_OPTIONS = PUBSUB + "#publish-options";
+    public static final String PUSH = "urn:xmpp:push:0";
+    public static final String REGISTER = "jabber:iq:register";
+    public static final String REGISTER_STREAM_FEATURE = "http://jabber.org/features/iq-register";
+    public static final String ROSTER = "jabber:iq:roster";
+    public static final String SASL = "urn:ietf:params:xml:ns:xmpp-sasl";
+    public static final String SASL_2 = "urn:xmpp:sasl:2";
     public static final String STANZAS = "urn:ietf:params:xml:ns:xmpp-stanzas";
+    public static final String STANZA_IDS = "urn:xmpp:sid:0";
+    public static final String STREAMS = "http://etherx.jabber.org/streams";
+    public static final String STREAM_MANAGEMENT = "urn:xmpp:sm:3";
+    public static final String SYNCHRONIZATION = "im.quicksy.synchronization:0";
+    public static final String TLS = "urn:ietf:params:xml:ns:xmpp-tls";
+    public static final String UNIFIED_PUSH = "http://gultsch.de/xmpp/drafts/unified-push";
+    public static final String VERSION = "jabber:iq:version";
 }

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

@@ -8,6 +8,7 @@ import java.util.List;
 import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
 import eu.siacs.conversations.entities.DownloadableFile;
 import eu.siacs.conversations.xml.Element;
+import eu.siacs.conversations.xml.Namespace;
 
 public class FileTransferDescription extends GenericDescription {
 
@@ -72,9 +73,9 @@ public class FileTransferDescription extends GenericDescription {
     }
 
     public enum Version {
-        FT_3("urn:xmpp:jingle:apps:file-transfer:3"),
+        FT_3(Namespace.JINGLE_FILE_TRANSFER_3),
-        FT_4("urn:xmpp:jingle:apps:file-transfer:4"),
+        FT_4(Namespace.JINGLE_FILE_TRANSFER_4),
-        FT_5("urn:xmpp:jingle:apps:file-transfer:5");
+        FT_5(Namespace.JINGLE_FILE_TRANSFER_5);
 
         private final String namespace;
 

src/main/java/im/conversations/android/xmpp/EntityCapabilities.java

@@ -12,6 +12,7 @@ import im.conversations.android.xmpp.model.disco.info.Feature;
 import im.conversations.android.xmpp.model.disco.info.Identity;
 import im.conversations.android.xmpp.model.disco.info.InfoQuery;
 import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
 import java.util.Comparator;
 import java.util.List;
 
@@ -101,6 +102,19 @@ public final class EntityCapabilities {
         }
 
         public abstract String capabilityNode(final String node);
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            Hash hash1 = (Hash) o;
+            return Arrays.equals(hash, hash1.hash);
+        }
+
+        @Override
+        public int hashCode() {
+            return Arrays.hashCode(hash);
+        }
     }
 
     public static class EntityCapsHash extends Hash {

src/main/java/im/conversations/android/xmpp/EntityCapabilities2.java

@@ -18,6 +18,7 @@ import im.conversations.android.xmpp.model.disco.info.Identity;
 import im.conversations.android.xmpp.model.disco.info.InfoQuery;
 import java.nio.charset.StandardCharsets;
 import java.util.Collection;
+import java.util.Objects;
 
 public class EntityCapabilities2 {
 
@@ -165,5 +166,19 @@ public class EntityCapabilities2 {
             return String.format(
                     "%s#%s.%s", Namespace.ENTITY_CAPABILITIES_2, algorithm.toString(), encoded());
         }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            if (!super.equals(o)) return false;
+            EntityCaps2Hash that = (EntityCaps2Hash) o;
+            return algorithm == that.algorithm;
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hash(super.hashCode(), algorithm);
+        }
     }
 }

src/main/java/im/conversations/android/xmpp/Managers.java

@@ -8,6 +8,7 @@ import im.conversations.android.xmpp.manager.BlockingManager;
 import im.conversations.android.xmpp.manager.BookmarkManager;
 import im.conversations.android.xmpp.manager.CarbonsManager;
 import im.conversations.android.xmpp.manager.DiscoManager;
+import im.conversations.android.xmpp.manager.PresenceManager;
 import im.conversations.android.xmpp.manager.RosterManager;
 
 public final class Managers {
@@ -21,6 +22,7 @@ public final class Managers {
                 .put(BookmarkManager.class, new BookmarkManager(context, connection))
                 .put(CarbonsManager.class, new CarbonsManager(context, connection))
                 .put(DiscoManager.class, new DiscoManager(context, connection))
+                .put(PresenceManager.class, new PresenceManager(context, connection))
                 .put(RosterManager.class, new RosterManager(context, connection))
                 .build();
     }

src/main/java/im/conversations/android/xmpp/manager/DiscoManager.java

@@ -5,15 +5,22 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import com.google.common.base.Strings;
 import com.google.common.collect.Collections2;
+import com.google.common.collect.ImmutableList;
 import com.google.common.io.BaseEncoding;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.MoreExecutors;
+
+import eu.siacs.conversations.BuildConfig;
+import eu.siacs.conversations.R;
+import eu.siacs.conversations.xml.Namespace;
 import eu.siacs.conversations.xmpp.Jid;
 import im.conversations.android.xmpp.Entity;
 import im.conversations.android.xmpp.EntityCapabilities;
 import im.conversations.android.xmpp.EntityCapabilities2;
 import im.conversations.android.xmpp.XmppConnection;
+import im.conversations.android.xmpp.model.disco.info.Feature;
+import im.conversations.android.xmpp.model.disco.info.Identity;
 import im.conversations.android.xmpp.model.disco.info.InfoQuery;
 import im.conversations.android.xmpp.model.disco.items.Item;
 import im.conversations.android.xmpp.model.disco.items.ItemsQuery;
@@ -25,6 +32,42 @@ import java.util.Objects;
 
 public class DiscoManager extends AbstractManager {
 
+    public static final String CAPABILITY_NODE = "http://conversations.im";
+
+    private static final Collection<String> FEATURES_BASE =
+            Arrays.asList(
+                    Namespace.JINGLE,
+                    Namespace.JINGLE_FILE_TRANSFER_3,
+                    Namespace.JINGLE_FILE_TRANSFER_4,
+                    Namespace.JINGLE_FILE_TRANSFER_5,
+                    Namespace.JINGLE_TRANSPORTS_S5B,
+                    Namespace.JINGLE_TRANSPORTS_IBB,
+                    Namespace.JINGLE_ENCRYPTED_TRANSPORT,
+                    Namespace.JINGLE_ENCRYPTED_TRANSPORT_OMEMO,
+                    Namespace.MUC,
+                    Namespace.CONFERENCE,
+                    Namespace.OOB,
+                    Namespace.ENTITY_CAPABILITIES,
+                    Namespace.ENTITY_CAPABILITIES_2,
+                    Namespace.DISCO_INFO,
+                    Namespace.PING,
+                    Namespace.VERSION,
+                    Namespace.CHAT_STATES,
+                    Namespace.LAST_MESSAGE_CORRECTION,
+                    Namespace.DELIVERY_RECEIPTS);
+
+    private static final Collection<String> FEATURES_AV_CALLS =
+            Arrays.asList(
+                    Namespace.JINGLE_TRANSPORT_ICE_UDP,
+                    Namespace.JINGLE_FEATURE_AUDIO,
+                    Namespace.JINGLE_FEATURE_VIDEO,
+                    Namespace.JINGLE_APPS_RTP,
+                    Namespace.JINGLE_APPS_DTLS,
+                    Namespace.JINGLE_MESSAGE);
+
+    private static final Collection<String> FEATURES_NOTIFY =
+            Arrays.asList(Namespace.NICK, Namespace.AVATAR_METADATA, Namespace.BOOKMARKS2);
+
     public DiscoManager(Context context, XmppConnection connection) {
         super(context, connection);
     }
@@ -161,4 +204,52 @@ public class DiscoManager extends AbstractManager {
     public boolean hasServerFeature(final String feature) {
         return hasFeature(getAccount().address.getDomain(), feature);
     }
+
+    public InfoQuery getInfo() {
+        return getInfo(false);
+    }
+
+    private InfoQuery getInfo(final boolean privacyMode) {
+        final var infoQuery = new InfoQuery();
+        final ImmutableList.Builder<String> stringFeatureBuilder = ImmutableList.builder();
+        stringFeatureBuilder.addAll(FEATURES_BASE);
+        stringFeatureBuilder.addAll(
+                Collections2.transform(FEATURES_NOTIFY, fn -> String.format("%s+notify", fn)));
+        if (!privacyMode) {
+            stringFeatureBuilder.addAll(FEATURES_AV_CALLS);
+        }
+        final var stringFeatures = stringFeatureBuilder.build();
+        final Collection<Feature> features =
+                Collections2.transform(
+                        stringFeatures,
+                        sf -> {
+                            final var feature = new Feature();
+                            feature.setVar(sf);
+                            return feature;
+                        });
+        infoQuery.addExtensions(features);
+        final var identity = infoQuery.addExtension(new Identity());
+        identity.setIdentityName(getIdentityName());
+        identity.setCategory("client");
+        identity.setType(getIdentityType());
+        return infoQuery;
+    }
+
+    String getIdentityVersion() {
+        return BuildConfig.VERSION_NAME;
+    }
+
+    String getIdentityName() {
+        return BuildConfig.APP_NAME;
+    }
+
+    String getIdentityType() {
+        if ("chromium".equals(android.os.Build.BRAND)) {
+            return "pc";
+        } else if (context.getResources().getBoolean(R.bool.is_device_table)) {
+            return "tablet";
+        } else {
+            return "phone";
+        }
+    }
 }

src/main/java/im/conversations/android/xmpp/manager/PresenceManager.java

@@ -0,0 +1,48 @@
+package im.conversations.android.xmpp.manager;
+
+import android.content.Context;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import im.conversations.android.xmpp.EntityCapabilities;
+import im.conversations.android.xmpp.EntityCapabilities2;
+import im.conversations.android.xmpp.XmppConnection;
+import im.conversations.android.xmpp.model.capabilties.Capabilities;
+import im.conversations.android.xmpp.model.capabilties.LegacyCapabilities;
+import im.conversations.android.xmpp.model.disco.info.InfoQuery;
+import im.conversations.android.xmpp.model.stanza.Presence;
+
+public class PresenceManager extends AbstractManager {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(PresenceManager.class);
+
+    private final Map<EntityCapabilities.Hash, InfoQuery> outgoingCapsHash = new HashMap<>();
+
+    public PresenceManager(Context context, XmppConnection connection) {
+        super(context, connection);
+    }
+
+    public void sendPresence() {
+        final var infoQuery = getManager(DiscoManager.class).getInfo();
+        final var capsHash = EntityCapabilities.hash(infoQuery);
+        final var caps2Hash = EntityCapabilities2.hash(infoQuery);
+        outgoingCapsHash.put(capsHash, infoQuery);
+        outgoingCapsHash.put(caps2Hash, infoQuery);
+        final var capabilities = new Capabilities();
+        capabilities.setHash(caps2Hash);
+        final var legacyCapabilities = new LegacyCapabilities();
+        legacyCapabilities.setNode(DiscoManager.CAPABILITY_NODE);
+        legacyCapabilities.setHash(capsHash);
+        final var presence = new Presence();
+        presence.addExtension(capabilities);
+        presence.addExtension(legacyCapabilities);
+
+        LOGGER.info(presence.toString());
+
+        connection.sendPresencePacket(presence);
+    }
+}

src/main/java/im/conversations/android/xmpp/model/Hash.java

@@ -17,6 +17,10 @@ public class Hash extends Extension {
         return Algorithm.tryParse(this.getAttribute("algo"));
     }
 
+    public void setAlgorithm(final Algorithm algorithm) {
+        this.setAttribute("algo", algorithm.toString());
+    }
+
     public enum Algorithm {
         SHA_1,
         SHA_256,

src/main/java/im/conversations/android/xmpp/model/capabilties/Capabilities.java

@@ -32,4 +32,11 @@ public class Capabilities extends Extension {
         }
         return null;
     }
+
+    public void setHash(final EntityCapabilities2.EntityCaps2Hash caps2Hash) {
+        final Hash hash = new Hash();
+        hash.setAlgorithm(caps2Hash.algorithm);
+        hash.setContent(caps2Hash.encoded());
+        this.addExtension(hash);
+    }
 }

src/main/java/im/conversations/android/xmpp/model/capabilties/LegacyCapabilities.java

@@ -32,4 +32,13 @@ public class LegacyCapabilities extends Extension {
             return null;
         }
     }
+
+    public void setNode(final String node) {
+        this.setAttribute("node", node);
+    }
+
+    public void setHash(final EntityCapabilities.EntityCapsHash hash) {
+        this.setAttribute("hash", HASH_ALGORITHM);
+        this.setAttribute("ver", hash.encoded());
+    }
 }

src/main/java/im/conversations/android/xmpp/model/disco/info/Feature.java

@@ -12,4 +12,8 @@ public class Feature extends Extension {
     public String getVar() {
         return this.getAttribute("var");
     }
+
+    public void setVar(final String feature) {
+        this.setAttribute("var", feature);
+    }
 }

src/main/java/im/conversations/android/xmpp/model/disco/info/Identity.java

@@ -24,4 +24,16 @@ public class Identity extends Extension {
     public String getIdentityName() {
         return this.getAttribute("name");
     }
+
+    public void setIdentityName(final String name) {
+        this.setAttribute("name", name);
+    }
+
+    public void setType(final String type) {
+        this.setAttribute("type", type);
+    }
+
+    public void setCategory(final String category) {
+        this.setAttribute("category", category);
+    }
 }

src/main/java/im/conversations/android/xmpp/processor/BindProcessor.java

@@ -8,6 +8,7 @@ import im.conversations.android.xmpp.XmppConnection;
 import im.conversations.android.xmpp.manager.BlockingManager;
 import im.conversations.android.xmpp.manager.BookmarkManager;
 import im.conversations.android.xmpp.manager.DiscoManager;
+import im.conversations.android.xmpp.manager.PresenceManager;
 import im.conversations.android.xmpp.manager.RosterManager;
 import java.util.function.Consumer;
 
@@ -46,8 +47,6 @@ public class BindProcessor extends XmppConnection.Delegate implements Consumer<J
 
         getManager(BookmarkManager.class).fetch();
 
-        // connection.sendPresencePacket(new Presence());
+        getManager(PresenceManager.class).sendPresence();
-
-        // TODO send initial presence
     }
 }

src/main/java/im/conversations/android/xmpp/processor/IqProcessor.java

@@ -71,7 +71,7 @@ public class IqProcessor extends XmppConnection.Delegate implements Consumer<Iq>
         for (final Extension extension : extensions) {
             response.addExtension(extension);
         }
-        connection.sendIqPacket(response);
+        connection.sendIqPacket(response, null);
     }
 
     public void sendErrorFor(final Iq request, final Condition condition) {
@@ -82,6 +82,6 @@ public class IqProcessor extends XmppConnection.Delegate implements Consumer<Iq>
         response.setId(id);
         final Error error = response.addExtension(new Error());
         error.setCondition(condition);
-        connection.sendIqPacket(response);
+        connection.sendIqPacket(response, null);
     }
 }

src/main/res/values-sw600dp/defaults.xml

@@ -2,4 +2,5 @@
 <resources>
     <string name="default_resource">Tablet</string>
     <bool name="portrait_only">false</bool>
+    <bool name="is_device_table">true</bool>
 </resources>

src/main/res/values/defaults.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+    <bool name="is_device_table">true</bool>
     <string name="default_resource">Phone</string>
     <bool name="portrait_only">true</bool>
     <bool name="enter_is_send">false</bool>