add support for XEP-0071: XHTML-IM (fixes issue: #143)

5 files changed, 56 insertions, 0 deletions

diff --git a/src/base/QXmppConstants.cpp b/src/base/QXmppConstants.cpp
index feabcb5d..54d0cf0c 100644
--- a/src/base/QXmppConstants.cpp
+++ b/src/base/QXmppConstants.cpp
@@ -57,6 +57,8 @@ const char* ns_vcard = "vcard-temp";
 const char* ns_rsm = "http://jabber.org/protocol/rsm";
 // XEP-0065: SOCKS5 Bytestreams
 const char* ns_bytestreams = "http://jabber.org/protocol/bytestreams";
+// XEP-0071: XHTML-IM
+const char *ns_xhtml_im = "http://jabber.org/protocol/xhtml-im";
 // XEP-0077: In-Band Registration
 const char* ns_register = "jabber:iq:register";
 // XEP-0078: Non-SASL Authentication
diff --git a/src/base/QXmppConstants.h b/src/base/QXmppConstants.h
index 2428f5dd..4ee54e34 100644
--- a/src/base/QXmppConstants.h
+++ b/src/base/QXmppConstants.h
@@ -58,6 +58,8 @@ extern const char* ns_vcard;
 extern const char* ns_rsm;
 // XEP-0065: SOCKS5 Bytestreams
 extern const char* ns_bytestreams;
+// XEP-0071: XHTML-IM
+extern const char *ns_xhtml_im;
 // XEP-0077: In-Band Registration
 extern const char* ns_register;
 // XEP-0078: Non-SASL Authentication
diff --git a/src/base/QXmppMessage.cpp b/src/base/QXmppMessage.cpp
index c0928c61..ab9a9cb6 100644
--- a/src/base/QXmppMessage.cpp
+++ b/src/base/QXmppMessage.cpp
@@ -23,6 +23,7 @@
  */
 
 #include <QDomElement>
+#include <QTextStream>
 #include <QXmlStreamWriter>
 
 #include "QXmppConstants.h"
@@ -38,6 +39,8 @@ static const char* chat_states[] = {
     "paused",
 };
 
+static const char *ns_xhtml = "http://www.w3.org/1999/xhtml";
+
 /// Constructs a QXmppMessage.
 ///
 /// \param from
@@ -266,6 +269,21 @@ void QXmppMessage::parse(const QDomElement &element)
         }
     }
 
+    // XEP-0071: XHTML-IM
+    QDomElement htmlElement = element.firstChildElement("html");
+    if (!htmlElement.isNull() && htmlElement.namespaceURI() == ns_xhtml_im) {
+        QDomElement bodyElement = htmlElement.firstChildElement("body");
+        if (!bodyElement.isNull() && bodyElement.namespaceURI() == ns_xhtml) {
+            QTextStream stream(&m_xhtml, QIODevice::WriteOnly);
+            bodyElement.save(stream, 0);
+
+            m_xhtml = m_xhtml.mid(m_xhtml.indexOf('>') + 1);
+            m_xhtml.replace(" xmlns=\"http://www.w3.org/1999/xhtml\"", "");
+            m_xhtml.replace("</body>", "");
+            m_xhtml = m_xhtml.trimmed();
+        }
+    }
+
     // XEP-0184: Message Delivery Receipts
     QDomElement receivedElement = element.firstChildElement("received");
     if (!receivedElement.isNull() && receivedElement.namespaceURI() == ns_message_receipts) {
@@ -336,6 +354,18 @@ void QXmppMessage::toXml(QXmlStreamWriter *xmlWriter) const
         xmlWriter->writeEndElement();
     }
 
+    // XEP-0071: XHTML-IM
+    if (!m_xhtml.isEmpty()) {
+        xmlWriter->writeStartElement("html");
+        xmlWriter->writeAttribute("xmlns", ns_xhtml_im);
+        xmlWriter->writeStartElement("body");
+        xmlWriter->writeAttribute("xmlns", ns_xhtml);
+        xmlWriter->writeCharacters("");
+        xmlWriter->device()->write(m_xhtml.toUtf8());
+        xmlWriter->writeEndElement();
+        xmlWriter->writeEndElement();
+    }
+
     // time stamp
     if (m_stamp.isValid())
     {
@@ -415,3 +445,18 @@ void QXmppMessage::setThread(const QString& thread)
     m_thread = thread;
 }
 
+/// Returns the message's XHTML body as defined by
+/// XEP-0071: XHTML-IM.
+
+QString QXmppMessage::xhtml() const
+{
+    return m_xhtml;
+}
+
+/// Sets the message's XHTML body as defined by
+/// XEP-0071: XHTML-IM.
+
+void QXmppMessage::setXhtml(const QString &xhtml)
+{
+    m_xhtml = xhtml;
+}
diff --git a/src/base/QXmppMessage.h b/src/base/QXmppMessage.h
index 45f6bbe1..b7219c89 100644
--- a/src/base/QXmppMessage.h
+++ b/src/base/QXmppMessage.h
@@ -89,6 +89,9 @@ public:
     QXmppMessage::Type type() const;
     void setType(QXmppMessage::Type);
 
+    QString xhtml() const;
+    void setXhtml(const QString &xhtml);
+
     /// \cond
     void parse(const QDomElement &element);
     void toXml(QXmlStreamWriter *writer) const;
@@ -115,6 +118,9 @@ private:
     QString m_subject;
     QString m_thread;
 
+    // XEP-0071: XHTML-IM
+    QString m_xhtml;
+
     // Request message receipt as per XEP-0184.
     QString m_receiptId;
     bool m_receiptRequested;
diff --git a/src/client/QXmppDiscoveryManager.cpp b/src/client/QXmppDiscoveryManager.cpp
index 539a27c8..4f06a4ef 100644
--- a/src/client/QXmppDiscoveryManager.cpp
+++ b/src/client/QXmppDiscoveryManager.cpp
@@ -140,6 +140,7 @@ QXmppDiscoveryIq QXmppDiscoveryManager::capabilities()
     features
         << ns_data              // XEP-0004: Data Forms
         << ns_rsm               // XEP-0059: Result Set Management
+        << ns_xhtml_im          // XEP-0071: XHTML-IM
         << ns_chat_states       // XEP-0085: Chat State Notifications
         << ns_capabilities      // XEP-0115: Entity Capabilities
         << ns_ping              // XEP-0199: XMPP Ping