From 2908ccfa0aff2d4719e1db2aab2611e92f54f4c3 Mon Sep 17 00:00:00 2001
From: Waqas Hussain <waqas20@gmail.com>
Date: Mon, 7 Sep 2009 20:18:26 +0500
Subject: [PATCH] MUC: New basic mod_muc based on the new MUC library

---
 plugins/muc/mod_muc.lua | 90 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 plugins/muc/mod_muc.lua

diff --git a/plugins/muc/mod_muc.lua b/plugins/muc/mod_muc.lua
new file mode 100644
index 00000000..b0419a8e
--- /dev/null
+++ b/plugins/muc/mod_muc.lua
@@ -0,0 +1,90 @@
+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+-- 
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+
+if module:get_host_type() ~= "component" then
+	error("MUC should be loaded as a component, please see http://prosody.im/doc/components", 0);
+end
+
+local muc_host = module:get_host();
+local muc_name = "Chatrooms";
+local history_length = 20;
+
+local muc_new_room = module:require "muc".new_room;
+local register_component = require "core.componentmanager".register_component;
+local deregister_component = require "core.componentmanager".deregister_component;
+local jid_split = require "util.jid".split;
+local st = require "util.stanza";
+
+local rooms = {};
+local component;
+local host_room = muc_new_room(muc_host);
+host_room.route_stanza = function(room, stanza) core_post_stanza(component, stanza); end;
+
+local function get_disco_info(stanza)
+	return st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#info")
+		:tag("identity", {category='conference', type='text', name=muc_name}):up()
+		:tag("feature", {var="http://jabber.org/protocol/muc"}); -- TODO cache disco reply
+end
+local function get_disco_items(stanza)
+	local reply = st.iq({type='result', id=stanza.attr.id, from=muc_host, to=stanza.attr.from}):query("http://jabber.org/protocol/disco#items");
+	for jid, room in pairs(rooms) do
+		reply:tag("item", {jid=jid, name=jid}):up();
+	end
+	return reply; -- TODO cache disco reply
+end
+
+local function handle_to_domain(origin, stanza)
+	local type = stanza.attr.type;
+	if type == "error" or type == "result" then return; end
+	if stanza.name == "iq" and type == "get" then
+		local xmlns = stanza.tags[1].attr.xmlns;
+		if xmlns == "http://jabber.org/protocol/disco#info" then
+			origin.send(get_disco_info(stanza));
+		elseif xmlns == "http://jabber.org/protocol/disco#items" then
+			origin.send(get_disco_items(stanza));
+		else
+			origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- TODO disco/etc
+		end
+	else
+		host_room:handle_stanza(origin, stanza);
+		--origin.send(st.error_reply(stanza, "cancel", "service-unavailable", "The muc server doesn't deal with messages and presence directed at it"));
+	end
+end
+
+component = register_component(muc_host, function(origin, stanza)
+	local to_node, to_host, to_resource = jid_split(stanza.attr.to);
+	if to_node then
+		local bare = to_node.."@"..to_host;
+		if to_host == muc_host or bare == muc_host then
+			local room = rooms[bare];
+			if not room then
+				room = muc_new_room(bare);
+				room.route_stanza = function(room, stanza) core_post_stanza(component, stanza); end;
+				rooms[bare] = room;
+			end
+			room:handle_stanza(origin, stanza);
+		else --[[not for us?]] end
+		return;
+	end
+	-- to the main muc domain
+	handle_to_domain(origin, stanza);
+end);
+
+prosody.hosts[module:get_host()].muc = { rooms = rooms };
+
+module.unload = function()
+	deregister_component(muc_host);
+end
+module.save = function()
+	return {rooms = rooms};
+end
+module.restore = function(data)
+	rooms = data.rooms or {};
+	prosody.hosts[module:get_host()].muc = { rooms = rooms };
+end
-- 
2.30.2