narayana/conversations-classic
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bring back ICE Renomination via negotiation

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Daniel Gultsch 2023-10-03 12:55:44 +02:00
parent d235633cc7
commit fd4b8ba188
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GPG key ID: F43D18AD2A0982C2
4 changed files with 76 additions and 9 deletions
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1
src/main/java/eu/siacs/conversations/xml/Namespace.java
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@ -65,5 +65,6 @@ public final class Namespace {
public static final String PARS = "urn:xmpp:pars:0";
public static final String EASY_ONBOARDING_INVITE = "urn:xmpp:invite#invite";
public static final String OMEMO_DTLS_SRTP_VERIFICATION = "http://gultsch.de/xmpp/drafts/omemo/dlts-srtp-verification";
public static final String JINGLE_TRANSPORT_ICE_OPTION = "http://gultsch.de/xmpp/drafts/jingle/transports/ice-udp/option";
public static final String UNIFIED_PUSH = "http://gultsch.de/xmpp/drafts/unified-push";
}

12
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleRtpConnection.java
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@ -15,6 +15,7 @@ import com.google.common.collect.Collections2;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.google.common.primitives.Ints;
import com.google.common.util.concurrent.FutureCallback;
@ -237,6 +238,9 @@ public class JingleRtpConnection extends AbstractJingleConnection
case CONTENT_REMOVE:
receiveContentRemove(jinglePacket);
break;
case CONTENT_MODIFY:
receiveContentModify(jinglePacket);
break;
default:
respondOk(jinglePacket);
Log.d(
@ -507,6 +511,14 @@ public class JingleRtpConnection extends AbstractJingleConnection
+ ContentAddition.summary(receivedContentAccept));
}
private void receiveContentModify(final JinglePacket jinglePacket) {
final Map<String, Content.Senders> modification =
Maps.transformEntries(
jinglePacket.getJingleContents(), (key, value) -> value.getSenders());
respondOk(jinglePacket);
Log.d(Config.LOGTAG, "receiveContentModification(" + modification + ")");
}
private void receiveContentReject(final JinglePacket jinglePacket) {
final RtpContentMap receivedContentReject;
try {

27
src/main/java/eu/siacs/conversations/xmpp/jingle/SessionDescription.java
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@ -11,23 +11,26 @@ import com.google.common.base.Strings;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ImmutableList;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.xml.Namespace;
import eu.siacs.conversations.xmpp.jingle.stanzas.Group;
import eu.siacs.conversations.xmpp.jingle.stanzas.IceUdpTransportInfo;
import eu.siacs.conversations.xmpp.jingle.stanzas.RtpDescription;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Map;
public class SessionDescription {
public static final String LINE_DIVIDER = "\r\n";
private static final String HARDCODED_MEDIA_PROTOCOL =
"UDP/TLS/RTP/SAVPF"; // probably only true for DTLS-SRTP aka when we have a fingerprint
private static final int HARDCODED_MEDIA_PORT = 9;
private static final String HARDCODED_ICE_OPTIONS = "trickle";
private static final Collection<String> HARDCODED_ICE_OPTIONS =
Collections.singleton("trickle");
private static final String HARDCODED_CONNECTION = "IN IP4 0.0.0.0";
public final int version;
@ -128,7 +131,8 @@ public class SessionDescription {
return sessionDescriptionBuilder.createSessionDescription();
}
public static SessionDescription of(final RtpContentMap contentMap, final boolean isInitiatorContentMap) {
public static SessionDescription of(
final RtpContentMap contentMap, final boolean isInitiatorContentMap) {
final SessionDescriptionBuilder sessionDescriptionBuilder = new SessionDescriptionBuilder();
final ArrayListMultimap<String, String> attributeMap = ArrayListMultimap.create();
final ImmutableList.Builder<Media> mediaListBuilder = new ImmutableList.Builder<>();
@ -166,7 +170,10 @@ public class SessionDescription {
}
checkNoWhitespace(pwd, "pwd value must not contain any whitespaces");
mediaAttributes.put("ice-pwd", pwd);
mediaAttributes.put("ice-options", HARDCODED_ICE_OPTIONS);
final List<String> negotiatedIceOptions = transport.getIceOptions();
final Collection<String> iceOptions =
negotiatedIceOptions.isEmpty() ? HARDCODED_ICE_OPTIONS : negotiatedIceOptions;
mediaAttributes.put("ice-options", Joiner.on(' ').join(iceOptions));
final IceUdpTransportInfo.Fingerprint fingerprint = transport.getFingerprint();
if (fingerprint != null) {
mediaAttributes.put(
@ -291,13 +298,15 @@ public class SessionDescription {
throw new IllegalArgumentException(
"A source specific media attribute is missing its value");
}
mediaAttributes.put("ssrc", id + " " + parameterName + ":" + parameterValue.trim());
mediaAttributes.put(
"ssrc", id + " " + parameterName + ":" + parameterValue.trim());
}
}
mediaAttributes.put("mid", name);
mediaAttributes.put(descriptionTransport.senders.asMediaAttribute(isInitiatorContentMap), "");
mediaAttributes.put(
descriptionTransport.senders.asMediaAttribute(isInitiatorContentMap), "");
if (description.hasChild("rtcp-mux", Namespace.JINGLE_APPS_RTP) || group != null) {
mediaAttributes.put("rtcp-mux", "");
}

45
src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/IceUdpTransportInfo.java
View file

@ -1,17 +1,23 @@
package eu.siacs.conversations.xmpp.jingle.stanzas;
import android.util.Log;
import androidx.annotation.NonNull;
import com.google.common.base.Joiner;
import com.google.common.base.MoreObjects;
import com.google.common.base.Objects;
import com.google.common.base.Preconditions;
import com.google.common.base.Splitter;
import com.google.common.base.Strings;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Collections2;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Iterables;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.LinkedHashMap;
@ -20,6 +26,7 @@ import java.util.Locale;
import java.util.Map;
import java.util.UUID;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xml.Namespace;
import eu.siacs.conversations.xmpp.jingle.SessionDescription;
@ -59,6 +66,9 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
if (fingerprint != null) {
iceUdpTransportInfo.addChild(fingerprint);
}
for (final String iceOption : IceOption.of(media)) {
iceUdpTransportInfo.addChild(new IceOption(iceOption));
}
return iceUdpTransportInfo;
}
@ -76,6 +86,16 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
return fingerprint == null ? null : Fingerprint.upgrade(fingerprint);
}
public List<String> getIceOptions() {
final ImmutableList.Builder<String> optionBuilder = new ImmutableList.Builder<>();
for(final Element child : this.children) {
if (Namespace.JINGLE_TRANSPORT_ICE_OPTION.equals(child.getNamespace()) && IceOption.WELL_KNOWN.contains(child.getName())) {
optionBuilder.add(child.getName());
}
}
return optionBuilder.build();
}
public Credentials getCredentials() {
final String ufrag = this.getAttribute("ufrag");
final String password = this.getAttribute("pwd");
@ -408,4 +428,29 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
throw new IllegalStateException(this.name() + " can not be flipped");
}
}
public static class IceOption extends Element {
public static final List<String> WELL_KNOWN = Arrays.asList("trickle", "renomination");
public IceOption(final String name) {
super(name, Namespace.JINGLE_TRANSPORT_ICE_OPTION);
}
public static Collection<String> of(SessionDescription.Media media) {
final String iceOptions = Iterables.getFirst(media.attributes.get("ice-options"), null);
if (Strings.isNullOrEmpty(iceOptions)) {
return Collections.emptyList();
}
final ImmutableList.Builder<String> optionBuilder = new ImmutableList.Builder<>();
for (final String iceOption : Splitter.on(' ').split(iceOptions)) {
if (WELL_KNOWN.contains(iceOption)) {
optionBuilder.add(iceOption);
} else {
Log.w(Config.LOGTAG, "unrecognized ice option: " + iceOption);
}
}
return optionBuilder.build();
}
}
}