narayana/conversations-classic
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fix JET spec compliance

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This commit is contained in:
Daniel Gultsch 2024-02-11 10:40:50 +01:00
parent 93b5a099b0
commit 2833fc833c
No known key found for this signature in database
GPG key ID: F43D18AD2A0982C2
3 changed files with 43 additions and 42 deletions
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13
src/main/java/eu/siacs/conversations/xmpp/jingle/JingleFileTransferConnection.java
View file

@ -209,8 +209,12 @@ public class JingleFileTransferConnection extends AbstractJingleConnection
this.transportSecurity =
new TransportSecurity(
xmppAxolotlMessage.getInnerKey(), xmppAxolotlMessage.getIV());
jinglePacket.setSecurity(
Iterables.getOnlyElement(contentMap.contents.keySet()), xmppAxolotlMessage);
final var contents = jinglePacket.getJingleContents();
final var rawContent =
contents.get(Iterables.getOnlyElement(contentMap.contents.keySet()));
if (rawContent != null) {
rawContent.setSecurity(xmppAxolotlMessage);
}
}
jinglePacket.setTo(id.with);
xmppConnectionService.sendIqPacket(
@ -327,8 +331,10 @@ public class JingleFileTransferConnection extends AbstractJingleConnection
return;
}
final XmppAxolotlMessage.XmppAxolotlKeyTransportMessage keyTransportMessage;
final var contents = jinglePacket.getJingleContents();
final var rawContent = contents.get(Iterables.getOnlyElement(contentMap.contents.keySet()));
final var security =
jinglePacket.getSecurity(Iterables.getOnlyElement(contentMap.contents.keySet()));
rawContent == null ? null : rawContent.getSecurity(jinglePacket.getFrom());
if (security != null) {
Log.d(Config.LOGTAG, "found security element!");
keyTransportMessage =
@ -349,7 +355,6 @@ public class JingleFileTransferConnection extends AbstractJingleConnection
if (transition(State.SESSION_INITIALIZED, () -> setRemoteContentMap(contentMap))) {
respondOk(jinglePacket);
Log.d(Config.LOGTAG, jinglePacket.toString());
Log.d(
Config.LOGTAG,
"got file offer " + file + " jet=" + Objects.nonNull(keyTransportMessage));

34
src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/Content.java
View file

@ -9,8 +9,11 @@ import com.google.common.base.Strings;
import com.google.common.collect.ImmutableSet;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.crypto.axolotl.AxolotlService;
import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xml.Namespace;
import eu.siacs.conversations.xmpp.Jid;
import eu.siacs.conversations.xmpp.jingle.SessionDescription;
import java.util.Locale;
@ -102,6 +105,37 @@ public class Content extends Element {
}
}
public void setSecurity(final XmppAxolotlMessage xmppAxolotlMessage) {
final String contentName = this.getContentName();
final Element security = new Element("security", Namespace.JINGLE_ENCRYPTED_TRANSPORT);
security.setAttribute("name", contentName);
security.setAttribute("cipher", "urn:xmpp:ciphers:aes-128-gcm-nopadding");
security.setAttribute("type", AxolotlService.PEP_PREFIX);
security.addChild(xmppAxolotlMessage.toElement());
this.addChild(security);
}
public XmppAxolotlMessage getSecurity(final Jid from) {
final String contentName = this.getContentName();
for (final Element child : this.children) {
if ("security".equals(child.getName())
&& Namespace.JINGLE_ENCRYPTED_TRANSPORT.equals(child.getNamespace())) {
final String name = child.getAttribute("name");
final String type = child.getAttribute("type");
final String cipher = child.getAttribute("cipher");
if (contentName.equals(name)
&& AxolotlService.PEP_PREFIX.equals(type)
&& "urn:xmpp:ciphers:aes-128-gcm-nopadding".equals(cipher)) {
final var encrypted = child.findChild("encrypted", AxolotlService.PEP_PREFIX);
if (encrypted != null) {
return XmppAxolotlMessage.fromElement(encrypted, from.asBareJid());
}
}
}
}
return null;
}
public void setTransport(GenericTransportInfo transportInfo) {
this.addChild(transportInfo);
}

38
src/main/java/eu/siacs/conversations/xmpp/jingle/stanzas/JinglePacket.java
View file

@ -1,7 +1,5 @@
package eu.siacs.conversations.xmpp.jingle.stanzas;
import android.util.Log;
import androidx.annotation.NonNull;
import com.google.common.base.CaseFormat;
@ -9,9 +7,6 @@ import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableMap;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.crypto.axolotl.AxolotlService;
import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xml.Namespace;
import eu.siacs.conversations.xmpp.Jid;
@ -121,39 +116,6 @@ public class JinglePacket extends IqPacket {
jingle.addChild(child);
}
public void setSecurity(final String name, final XmppAxolotlMessage xmppAxolotlMessage) {
final Element security = new Element("security", Namespace.JINGLE_ENCRYPTED_TRANSPORT);
security.setAttribute("name", name);
security.setAttribute("cipher", "urn:xmpp:ciphers:aes-128-gcm-nopadding");
security.setAttribute("type", AxolotlService.PEP_PREFIX);
security.addChild(xmppAxolotlMessage.toElement());
addJingleChild(security);
}
public XmppAxolotlMessage getSecurity(final String nameNeedle) {
final Element jingle = findChild("jingle", Namespace.JINGLE);
if (jingle == null) {
return null;
}
for (final Element child : jingle.getChildren()) {
if ("security".equals(child.getName())
&& Namespace.JINGLE_ENCRYPTED_TRANSPORT.equals(child.getNamespace())) {
final String name = child.getAttribute("name");
final String type = child.getAttribute("type");
final String cipher = child.getAttribute("cipher");
if (nameNeedle.equals(name)
&& AxolotlService.PEP_PREFIX.equals(type)
&& "urn:xmpp:ciphers:aes-128-gcm-nopadding".equals(cipher)) {
final var encrypted = child.findChild("encrypted", AxolotlService.PEP_PREFIX);
if (encrypted != null) {
return XmppAxolotlMessage.fromElement(encrypted, getFrom().asBareJid());
}
}
}
}
return null;
}
public String getSessionId() {
return findChild("jingle", Namespace.JINGLE).getAttribute("sid");
}