From 6ebb586b6ce097d5768e3863411042f4dc6c979e Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Thu, 24 Apr 2014 19:36:14 +0200
Subject: Respond to a disco query the gateway jid itself

---
 src/xmpp/xmpp_component.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 src/xmpp/xmpp_component.hpp |  4 ++++
 2 files changed, 44 insertions(+)

(limited to 'src/xmpp')

diff --git a/src/xmpp/xmpp_component.cpp b/src/xmpp/xmpp_component.cpp
index 78149c4..1eacf7c 100644
--- a/src/xmpp/xmpp_component.cpp
+++ b/src/xmpp/xmpp_component.cpp
@@ -416,6 +416,17 @@ void XmppComponent::handle_iq(const Stanza& stanza)
             }
         }
     }
+  else if (type == "get")
+    {
+      XmlNode* query;
+      if ((query = stanza.get_child(DISCO_INFO_NS":query")))
+        { // Disco info
+          if (to_str == this->served_hostname)
+            { // On the gateway itself
+              this->send_self_disco_info(id, from);
+            }
+        }
+    }
   else
     {
       error_type = "cancel";
@@ -735,3 +746,32 @@ void XmppComponent::send_affiliation_role_change(const std::string& muc_name,
   presence.close();
   this->send_stanza(presence);
 }
+
+void XmppComponent::send_self_disco_info(const std::string& id, const std::string& jid_to)
+{
+  Stanza iq("iq");
+  iq["type"] = "result";
+  iq["id"] = id;
+  iq["to"] = jid_to;
+  iq["from"] = this->served_hostname;
+  XmlNode query("query");
+  query["xmlns"] = DISCO_INFO_NS;
+  XmlNode identity("identity");
+  identity["category"] = "conference";
+  identity["type"] = "irc";
+  identity["name"] = "Biboumi XMPP-IRC gateway";
+  identity.close();
+  query.add_child(std::move(identity));
+  for (const std::string& ns: {"http://jabber.org/protocol/disco#info",
+                                    "http://jabber.org/protocol/muc"})
+    {
+      XmlNode feature("feature");
+      feature["var"] = ns;
+      feature.close();
+      query.add_child(std::move(feature));
+    }
+  query.close();
+  iq.add_child(std::move(query));
+  iq.close();
+  this->send_stanza(iq);
+}
diff --git a/src/xmpp/xmpp_component.hpp b/src/xmpp/xmpp_component.hpp
index 3e13086..aa19be3 100644
--- a/src/xmpp/xmpp_component.hpp
+++ b/src/xmpp/xmpp_component.hpp
@@ -144,6 +144,10 @@ public:
                                     const std::string& affiliation,
                                     const std::string& role,
                                     const std::string& jid_to);
+  /**
+   * Send a result IQ with the gateway disco informations.
+   */
+  void send_self_disco_info(const std::string& id, const std::string& jid_to);
   /**
    * Handle the various stanza types
    */
-- 
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