From e656e68dfb2302cd2c8cb7d9f79b8ec36b2b0bea Mon Sep 17 00:00:00 2001
From: Jeremy Lainé <jeremy.laine@m4x.org>
Date: Thu, 15 Jul 2010 15:40:38 +0000
Subject: add XEP-0115 : Entity Capabilities to QXmppStream

---
 source/QXmppStream.cpp | 61 +++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 58 insertions(+), 3 deletions(-)

(limited to 'source/QXmppStream.cpp')

diff --git a/source/QXmppStream.cpp b/source/QXmppStream.cpp
index 25286e8a..5be25d5a 100644
--- a/source/QXmppStream.cpp
+++ b/source/QXmppStream.cpp
@@ -33,7 +33,6 @@
 #include "QXmppConstants.h"
 #include "QXmppStream.h"
 #include "QXmppNonSASLAuth.h"
-#include "QXmppInformationRequestResult.h"
 
 // IQ types
 #include "QXmppArchiveIq.h"
@@ -56,6 +55,7 @@
 #include <QXmlStreamWriter>
 #include <QTimer>
 
+static const QString capabilitiesNode = "http://code.google.com/p/qxmpp";
 static const QByteArray streamRootElementStart = "<?xml version=\"1.0\"?><stream:stream xmlns:stream=\"http://etherx.jabber.org/streams\" version=\"1.0\" xmlns=\"jabber:client\" xml:lang=\"en\" xmlns:xml=\"http://www.w3.org/XML/1998/namespace\">\n";
 static const QByteArray streamRootElementEnd = "</stream:stream>";
 
@@ -528,12 +528,13 @@ void QXmppStream::parser(const QByteArray& data)
 
                         if (discoIq.type() == QXmppIq::Get &&
                             discoIq.queryType() == QXmppDiscoveryIq::InfoQuery &&
-                            discoIq.queryNode().isEmpty())
+                            (discoIq.queryNode().isEmpty() || discoIq.queryNode().startsWith(capabilitiesNode)))
                         {
                             // respond to info query
-                            QXmppInformationRequestResult qxmppFeatures;
+                            QXmppDiscoveryIq qxmppFeatures = capabilities();
                             qxmppFeatures.setId(discoIq.id());
                             qxmppFeatures.setTo(discoIq.from());
+                            qxmppFeatures.setQueryNode(discoIq.queryNode());
                             sendPacket(qxmppFeatures);
                         } else {
                             emit discoveryIqReceived(discoIq);
@@ -1045,3 +1046,57 @@ void QXmppStream::flushDataBuffer()
     m_dataBuffer.clear();
 }
 
+QXmppDiscoveryIq QXmppStream::capabilities() const
+{
+    QXmppDiscoveryIq iq;
+    iq.setType(QXmppIq::Result);
+    iq.setQueryType(QXmppDiscoveryIq::InfoQuery);
+
+    // features
+    QStringList features;
+    features
+        << ns_rpc               // XEP-0009: Jabber-RPC
+        << ns_disco_info        // XEP-0030: Service Discovery
+        << ns_ibb               // XEP-0047: In-Band Bytestreams
+        << ns_vcard             // XEP-0054: vcard-temp
+        << ns_bytestreams       // XEP-0065: SOCKS5 Bytestreams
+        << ns_chat_states       // XEP-0085: Chat State Notifications
+        << ns_version           // XEP-0092: Software Version
+        << ns_stream_initiation // XEP-0095: Stream Initiation
+        << ns_stream_initiation_file_transfer // XEP-0096: SI File Transfer
+        << ns_capabilities      // XEP-0115 : Entity Capabilities
+        << ns_ping;             // XEP-0199: XMPP Ping
+    iq.setFeatures(features);
+
+    // identities
+    QList<QXmppDiscoveryIq::Identity> identities;
+    QXmppDiscoveryIq::Identity identity;
+
+    identity.setCategory("automation");
+    identity.setType("rpc");
+    identities.append(identity);
+
+    identity.setCategory("client");
+    identity.setType("pc");
+    identity.setName(QString("%1 %2").arg(qApp->applicationName(), qApp->applicationVersion()));
+    identities.append(identity);
+
+    iq.setIdentities(identities);
+    return iq;
+}
+
+QXmppElementList QXmppStream::presenceExtensions() const
+{
+    QXmppElementList extensions;
+
+    QXmppElement caps;
+    caps.setTagName("c");
+    caps.setAttribute("xmlns", ns_capabilities);
+    caps.setAttribute("hash", "sha-1");
+    caps.setAttribute("node", capabilitiesNode);
+    caps.setAttribute("ver", capabilities().verificationString().toBase64());
+    extensions << caps;
+
+    return extensions;
+}
+
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