Implement XEP-0272: Multiparty Jingle (Muji) stanza extensions (#457)

Adds the presence extension and the extension of the Jingle IQ.

https://xmpp.org/extensions/xep-0272.html

6 files changed, 143 insertions, 0 deletions

diff --git a/src/base/QXmppConstants.cpp b/src/base/QXmppConstants.cpp
index 196ee89b..bdf0a9e3 100644
--- a/src/base/QXmppConstants.cpp
+++ b/src/base/QXmppConstants.cpp
@@ -129,6 +129,8 @@ const char *ns_bob = "urn:xmpp:bob";
 const char *ns_conference = "jabber:x:conference";
 // XEP-0264: Jingle Content Thumbnails
 const char *ns_thumbs = "urn:xmpp:thumbs:1";
+// XEP-0272: Multiparty Jingle (Muji)
+const char *ns_muji = "urn:xmpp:jingle:muji:0";
 // XEP-0280: Message Carbons
 const char *ns_carbons = "urn:xmpp:carbons:2";
 // XEP-0297: Stanza Forwarding
diff --git a/src/base/QXmppConstants_p.h b/src/base/QXmppConstants_p.h
index 83521c5a..5a1e57e7 100644
--- a/src/base/QXmppConstants_p.h
+++ b/src/base/QXmppConstants_p.h
@@ -141,6 +141,8 @@ extern const char *ns_bob;
 extern const char *ns_conference;
 // XEP-0264: Jingle Content Thumbnails
 extern const char *ns_thumbs;
+// XEP-0272: Multiparty Jingle (Muji)
+extern const char *ns_muji;
 // XEP-0280: Message Carbons
 extern const char *ns_carbons;
 // XEP-0297: Stanza Forwarding
diff --git a/src/base/QXmppJingleIq.cpp b/src/base/QXmppJingleIq.cpp
index 1c244d7b..9d883860 100644
--- a/src/base/QXmppJingleIq.cpp
+++ b/src/base/QXmppJingleIq.cpp
@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: 2010 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2022 Melvin Keskin <melvo@olomono.de>
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
 
@@ -718,6 +719,8 @@ public:
     QString responder;
     QString sid;
 
+    QString mujiGroupChatJid;
+
     QList<QXmppJingleIq::Content> contents;
     QXmppJingleIq::Reason reason;
     bool ringing;
@@ -871,6 +874,30 @@ void QXmppJingleIq::setSid(const QString &sid)
     d->sid = sid;
 }
 
+///
+/// Returns the JID of the \xep{0272, Multiparty Jingle (Muji)} group chat.
+///
+/// \return the Muji group chat JID
+///
+/// \since QXmpp 1.5
+///
+QString QXmppJingleIq::mujiGroupChatJid() const
+{
+    return d->mujiGroupChatJid;
+}
+
+///
+/// Sets the JID of the \xep{0272, Multiparty Jingle (Muji)} group chat.
+///
+/// \param mujiGroupChatJid Muji group chat JID
+///
+/// \since QXmpp 1.5
+///
+void QXmppJingleIq::setMujiGroupChatJid(const QString &mujiGroupChatJid)
+{
+    d->mujiGroupChatJid = mujiGroupChatJid;
+}
+
 /// \cond
 bool QXmppJingleIq::isJingleIq(const QDomElement &element)
 {
@@ -892,6 +919,12 @@ void QXmppJingleIq::parseElementFromChild(const QDomElement &element)
     d->responder = jingleElement.attribute(QStringLiteral("responder"));
     d->sid = jingleElement.attribute(QStringLiteral("sid"));
 
+    // XEP-0272: Multiparty Jingle (Muji)
+    if (const auto mujiGroupChatElement = jingleElement.firstChildElement(QStringLiteral("muji"));
+        mujiGroupChatElement.namespaceURI() == ns_muji) {
+        d->mujiGroupChatJid = mujiGroupChatElement.attribute(QStringLiteral("room"));
+    }
+
     // content
     d->contents.clear();
     QDomElement contentElement = jingleElement.firstChildElement(QStringLiteral("content"));
@@ -917,9 +950,19 @@ void QXmppJingleIq::toXmlElementFromChild(QXmlStreamWriter *writer) const
     helperToXmlAddAttribute(writer, QStringLiteral("initiator"), d->initiator);
     helperToXmlAddAttribute(writer, QStringLiteral("responder"), d->responder);
     helperToXmlAddAttribute(writer, QStringLiteral("sid"), d->sid);
+
+    // XEP-0272: Multiparty Jingle (Muji)
+    if (!d->mujiGroupChatJid.isEmpty()) {
+        writer->writeStartElement(QStringLiteral("muji"));
+        writer->writeDefaultNamespace(ns_muji);
+        helperToXmlAddAttribute(writer, QStringLiteral("room"), d->mujiGroupChatJid);
+        writer->writeEndElement();
+    }
+
     for (const auto &content : d->contents) {
         content.toXml(writer);
     }
+
     d->reason.toXml(writer);
 
     // ringing
diff --git a/src/base/QXmppJingleIq.h b/src/base/QXmppJingleIq.h
index 8ea6deeb..be915787 100644
--- a/src/base/QXmppJingleIq.h
+++ b/src/base/QXmppJingleIq.h
@@ -1,4 +1,5 @@
 // SPDX-FileCopyrightText: 2010 Jeremy Lainé <jeremy.laine@m4x.org>
+// SPDX-FileCopyrightText: 2022 Melvin Keskin <melvo@olomono.de>
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
 
@@ -303,6 +304,9 @@ public:
     QString sid() const;
     void setSid(const QString &sid);
 
+    QString mujiGroupChatJid() const;
+    void setMujiGroupChatJid(const QString &mujiGroupChatJid);
+
     /// \cond
     static bool isJingleIq(const QDomElement &element);
     /// \endcond
diff --git a/src/base/QXmppPresence.cpp b/src/base/QXmppPresence.cpp
index 54e44fb4..059bd642 100644
--- a/src/base/QXmppPresence.cpp
+++ b/src/base/QXmppPresence.cpp
@@ -1,10 +1,12 @@
 // SPDX-FileCopyrightText: 2009 Manjeet Dahiya <manjeetdahiya@gmail.com>
+// SPDX-FileCopyrightText: 2022 Melvin Keskin <melvo@olomono.de>
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include "QXmppPresence.h"
 
 #include "QXmppConstants_p.h"
+#include "QXmppJingleIq.h"
 #include "QXmppUtils.h"
 
 #include <QDateTime>
@@ -59,6 +61,10 @@ public:
     QByteArray photoHash;
     QXmppPresence::VCardUpdateType vCardUpdateType;
 
+    // XEP-0272: Multiparty Jingle (Muji)
+    bool isPreparingMujiSession = false;
+    QVector<QXmppJingleIq::Content> mujiContents;
+
     // XEP-0319: Last User Interaction in Presence
     QDateTime lastUserInteraction;
 
@@ -253,6 +259,54 @@ QStringList QXmppPresence::capabilityExt() const
     return d->capabilityExt;
 }
 
+///
+/// Returns whether a \xep{0272, Multiparty Jingle (Muji)} session is being prepared.
+///
+/// \return whether a Muji session is being prepared
+///
+/// \since QXmpp 1.5
+///
+bool QXmppPresence::isPreparingMujiSession() const
+{
+    return d->isPreparingMujiSession;
+}
+
+///
+/// Sets whether a \xep{0272, Multiparty Jingle (Muji)} session is being prepared.
+///
+/// \param isPreparingMujiSession whether a Muji session is being prepared
+///
+/// \since QXmpp 1.5
+///
+void QXmppPresence::setIsPreparingMujiSession(bool isPreparingMujiSession)
+{
+    d->isPreparingMujiSession = isPreparingMujiSession;
+}
+
+///
+/// Returns \xep{0272, Multiparty Jingle (Muji)} contents.
+///
+/// \return Muji contents
+///
+/// \since QXmpp 1.5
+///
+QVector<QXmppJingleIq::Content> QXmppPresence::mujiContents() const
+{
+    return d->mujiContents;
+}
+
+///
+/// Sets \xep{0272, Multiparty Jingle (Muji)} contents.
+///
+/// \param mujiContents Muji contents
+///
+/// \since QXmpp 1.5
+///
+void QXmppPresence::setMujiContents(const QVector<QXmppJingleIq::Content> &mujiContents)
+{
+    d->mujiContents = mujiContents;
+}
+
 /// Returns the MUC item.
 
 QXmppMucItem QXmppPresence::mucItem() const
@@ -447,6 +501,19 @@ void QXmppPresence::parseExtension(const QDomElement &element, QXmppElementList
                 d->vCardUpdateType = VCardUpdateValidPhoto;
             }
         }
+        // XEP-0272: Multiparty Jingle (Muji)
+    } else if (element.tagName() == QStringLiteral("muji") && element.namespaceURI() == ns_muji) {
+        if (!element.firstChildElement(QStringLiteral("preparing")).isNull()) {
+            d->isPreparingMujiSession = true;
+        }
+
+        for (auto contentElement = element.firstChildElement(QStringLiteral("content"));
+             !contentElement.isNull();
+             contentElement = contentElement.nextSiblingElement(QStringLiteral("content"))) {
+            QXmppJingleIq::Content content;
+            content.parse(contentElement);
+            d->mujiContents.append(content);
+        }
         // XEP-0319: Last User Interaction in Presence
     } else if (element.tagName() == QStringLiteral("idle") && element.namespaceURI() == ns_idle) {
         if (element.hasAttribute(QStringLiteral("since"))) {
@@ -537,6 +604,22 @@ void QXmppPresence::toXml(QXmlStreamWriter *xmlWriter) const
         xmlWriter->writeEndElement();
     }
 
+    // XEP-0272: Multiparty Jingle (Muji)
+    if (d->isPreparingMujiSession || !d->mujiContents.isEmpty()) {
+        xmlWriter->writeStartElement(QStringLiteral("muji"));
+        xmlWriter->writeDefaultNamespace(ns_muji);
+
+        if (d->isPreparingMujiSession) {
+            xmlWriter->writeEmptyElement(QStringLiteral("preparing"));
+        }
+
+        for (const auto &mujiContent : d->mujiContents) {
+            mujiContent.toXml(xmlWriter);
+        }
+
+        xmlWriter->writeEndElement();
+    }
+
     // XEP-0319: Last User Interaction in Presence
     if (!d->lastUserInteraction.isNull() && d->lastUserInteraction.isValid()) {
         xmlWriter->writeStartElement(QStringLiteral("idle"));
diff --git a/src/base/QXmppPresence.h b/src/base/QXmppPresence.h
index f704ddc9..0086c26a 100644
--- a/src/base/QXmppPresence.h
+++ b/src/base/QXmppPresence.h
@@ -1,10 +1,12 @@
 // SPDX-FileCopyrightText: 2009 Manjeet Dahiya <manjeetdahiya@gmail.com>
+// SPDX-FileCopyrightText: 2022 Melvin Keskin <melvo@olomono.de>
 //
 // SPDX-License-Identifier: LGPL-2.1-or-later
 
 #ifndef QXMPPPRESENCE_H
 #define QXMPPPRESENCE_H
 
+#include "QXmppJingleIq.h"
 #include "QXmppMucIq.h"
 #include "QXmppStanza.h"
 
@@ -106,6 +108,13 @@ public:
 
     QStringList capabilityExt() const;
 
+    // XEP-0272: Multiparty Jingle (Muji)
+    bool isPreparingMujiSession() const;
+    void setIsPreparingMujiSession(bool isPreparingMujiSession);
+
+    QVector<QXmppJingleIq::Content> mujiContents() const;
+    void setMujiContents(const QVector<QXmppJingleIq::Content> &mujiContents);
+
     // XEP-0319: Last User Interaction in Presence
     QDateTime lastUserInteraction() const;
     void setLastUserInteraction(const QDateTime &);