From 6bc3cad7de4afb9d1f065411d1d8681012a463a2 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Wed, 4 Oct 2023 10:43:27 +0200
Subject: [PATCH] apply ice-options when adding content or restarting ice

---
 .../xmpp/jingle/RtpContentMap.java            | 13 +++++----
 .../jingle/stanzas/IceUdpTransportInfo.java   | 27 +++++++++++++------
 2 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/RtpContentMap.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/RtpContentMap.java
index 994c3a233..08671ae03 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/RtpContentMap.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/RtpContentMap.java
@@ -210,6 +210,12 @@ public class RtpContentMap {
         throw new IllegalStateException("Content map does not have distinct credentials");
     }
 
+    private Set<String> getCombinedIceOptions() {
+        final Collection<List<String>> combinedIceOptions =
+                Collections2.transform(contents.values(), dt -> dt.transport.getIceOptions());
+        return ImmutableSet.copyOf(Iterables.concat(combinedIceOptions));
+    }
+
     public Set<IceUdpTransportInfo.Credentials> getCredentials() {
         final Set<IceUdpTransportInfo.Credentials> credentials =
                 ImmutableSet.copyOf(
@@ -339,14 +345,11 @@ public class RtpContentMap {
     public RtpContentMap addContent(
             final RtpContentMap modification, final IceUdpTransportInfo.Setup setup) {
         final IceUdpTransportInfo.Credentials credentials = getDistinctCredentials();
+        final Collection<String> iceOptions = getCombinedIceOptions();
         final DTLS dtls = getDistinctDtls();
         final IceUdpTransportInfo iceUdpTransportInfo =
-                IceUdpTransportInfo.of(credentials, setup, dtls.hash, dtls.fingerprint);
+                IceUdpTransportInfo.of(credentials, iceOptions, setup, dtls.hash, dtls.fingerprint);
         final Map<String, DescriptionTransport> combined = merge(contents, modification.contents);
-                /*new ImmutableMap.Builder<String, DescriptionTransport>()
-                        .putAll(contents)
-                        .putAll(modification.contents)
-                        .build();*/
         final Map<String, DescriptionTransport> combinedFixedTransport =
                 Maps.transformValues(
                         combined,
diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/IceUdpTransportInfo.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/IceUdpTransportInfo.java
index bd7e44501..35251f929 100644
--- a/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/IceUdpTransportInfo.java
+++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/IceUdpTransportInfo.java
@@ -15,6 +15,11 @@ import com.google.common.collect.Collections2;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
 
+import eu.siacs.conversations.Config;
+import eu.siacs.conversations.xml.Element;
+import eu.siacs.conversations.xml.Namespace;
+import eu.siacs.conversations.xmpp.jingle.SessionDescription;
+
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Collections;
@@ -26,11 +31,6 @@ 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;
-
 public class IceUdpTransportInfo extends GenericTransportInfo {
 
     public static final IceUdpTransportInfo STUB = new IceUdpTransportInfo();
@@ -73,11 +73,18 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
     }
 
     public static IceUdpTransportInfo of(
-            final Credentials credentials,  final Setup setup, final String hash, final String fingerprint) {
+            final Credentials credentials,
+            final Collection<String> iceOptions,
+            final Setup setup,
+            final String hash,
+            final String fingerprint) {
         final IceUdpTransportInfo iceUdpTransportInfo = new IceUdpTransportInfo();
         iceUdpTransportInfo.addChild(Fingerprint.of(setup, hash, fingerprint));
         iceUdpTransportInfo.setAttribute("ufrag", credentials.ufrag);
         iceUdpTransportInfo.setAttribute("pwd", credentials.password);
+        for(final String iceOption : iceOptions) {
+            iceUdpTransportInfo.addChild(new IceOption(iceOption));
+        }
         return iceUdpTransportInfo;
     }
 
@@ -88,8 +95,9 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
 
     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())) {
+        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());
             }
         }
@@ -132,6 +140,9 @@ public class IceUdpTransportInfo extends GenericTransportInfo {
                 transportInfo.addChild(fingerprint);
             }
         }
+        for (final String iceOption : this.getIceOptions()) {
+            transportInfo.addChild(new IceOption(iceOption));
+        }
         return transportInfo;
     }