Changeset

--- a/core/componentmanager.lua	Fri May 01 20:34:25 2009 +0100
+++ b/core/componentmanager.lua	Fri May 01 23:29:40 2009 +0100
@@ -80,8 +80,7 @@
 
 function create_component(host, component)
 	-- TODO check for host well-formedness
-	local session = session or { type = "component", host = host, connected = true, s2sout = {} };
-	return session;
+	return { type = "component", host = host, connected = true, s2sout = {} };
 end
 
 function register_component(host, component, session)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/eventmanager2.lua	Fri May 01 23:29:40 2009 +0100
@@ -0,0 +1,6 @@
+
+local events = require "util.events".new();
+
+module "eventmanager"
+
+return events;

--- a/core/stanza_router.lua	Fri May 01 20:34:25 2009 +0100
+++ b/core/stanza_router.lua	Fri May 01 23:29:40 2009 +0100
@@ -10,6 +10,8 @@
 
 local log = require "util.logger".init("stanzarouter")
 
+local hosts = _G.hosts;
+
 local st = require "util.stanza";
 local send_s2s = require "core.s2smanager".send_to_host;
 local user_exists = require "core.usermanager".user_exists;
@@ -24,9 +26,9 @@
 local modules_handle_stanza = require "core.modulemanager".handle_stanza;
 local component_handle_stanza = require "core.componentmanager".handle_stanza;
 
-local handle_outbound_presence_subscriptions_and_probes = require "core.presencemanager".handle_outbound_presence_subscriptions_and_probes;
-local handle_inbound_presence_subscriptions_and_probes = require "core.presencemanager".handle_inbound_presence_subscriptions_and_probes;
-local handle_normal_presence = require "core.presencemanager".handle_normal_presence;
+local handle_outbound_presence_subscriptions_and_probes = function()end;--require "core.presencemanager".handle_outbound_presence_subscriptions_and_probes;
+local handle_inbound_presence_subscriptions_and_probes = function()end;--require "core.presencemanager".handle_inbound_presence_subscriptions_and_probes;
+local handle_normal_presence = function()end;--require "core.presencemanager".handle_normal_presence;
 
 local format = string.format;
 local tostring = tostring;
@@ -40,6 +42,7 @@
 local jid_split = require "util.jid".split;
 local jid_prepped_split = require "util.jid".prepped_split;
 local print = print;
+local fire_event = require "core.eventmanager2".fire_event;
 local function checked_error_reply(origin, stanza)
 	if (stanza.attr.xmlns == "jabber:client" or stanza.attr.xmlns == "jabber:server") and stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
 		origin.send(st.error_reply(stanza, "cancel", "service-unavailable")); -- FIXME correct error?
@@ -100,6 +103,8 @@
 
 	-- FIXME do stanzas not of jabber:client get handled by components?
 	if (origin.type == "s2sin" or origin.type == "c2s" or origin.type == "component") and (not xmlns or xmlns == "jabber:server" or xmlns == "jabber:client") then			
+		local event_data = {origin=origin, stanza=stanza};
+		fire_event(tostring(host or origin.host).."/"..stanza.name, event_data);
 		if origin.type == "s2sin" and not origin.dummy then
 			local host_status = origin.hosts[from_host];
 			if not host_status or not host_status.authed then -- remote server trying to impersonate some other server?

--- a/net/http.lua	Fri May 01 20:34:25 2009 +0100
+++ b/net/http.lua	Fri May 01 23:29:40 2009 +0100
@@ -9,8 +9,8 @@
 local listener = connlisteners_get("httpclient") or error("No httpclient listener!");
 
 local t_insert, t_concat = table.insert, table.concat;
-local tonumber, tostring, pairs, xpcall, select, debug_traceback = 
-        tonumber, tostring, pairs, xpcall, select, debug.traceback;
+local tonumber, tostring, pairs, xpcall, select, debug_traceback, char = 
+        tonumber, tostring, pairs, xpcall, select, debug.traceback, string.char;
 
 local log = require "util.logger".init("http");
 local print = function () end

--- a/net/httpserver.lua	Fri May 01 20:34:25 2009 +0100
+++ b/net/httpserver.lua	Fri May 01 23:29:40 2009 +0100
@@ -8,10 +8,10 @@
 local listener;
 
 local t_insert, t_concat = table.insert, table.concat;
-local s_match, s_gmatch = string.match, string.gmatch;
+local s_match, s_gmatch, s_char = string.match, string.gmatch;
 local tonumber, tostring, pairs = tonumber, tostring, pairs;
 
-local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber("0x"..k)); return t[k]; end });
+local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = s_char(tonumber("0x"..k)); return t[k]; end });
 local urlencode = function (s) return s and (s:gsub("%W", function (c) return string.format("%%%x", c:byte()); end)); end
 
 local log = require "util.logger".init("httpserver");

--- a/net/server.lua	Fri May 01 20:34:25 2009 +0100
+++ b/net/server.lua	Fri May 01 23:29:40 2009 +0100
@@ -786,7 +786,7 @@
 end
 
 local addclient = function( address, port, listeners, pattern, sslctx, startssl )
-    local client, err = socket.tcp( )
+    local client, err = luasocket.tcp( )
     if err then
         return nil, err
     end
@@ -795,7 +795,7 @@
     if err then    -- try again
         local handler = wrapclient( client, address, port, listeners )
     else
-        wrapconnection( server, listeners, socket, address, port, "clientport", pattern, sslctx, startssl )
+        wrapconnection( nil, listeners, client, address, port, "clientport", pattern, sslctx, startssl )
     end
 end
 

--- a/net/xmppclient_listener.lua	Fri May 01 20:34:25 2009 +0100
+++ b/net/xmppclient_listener.lua	Fri May 01 23:29:40 2009 +0100
@@ -9,6 +9,7 @@
 
 
 local logger = require "logger";
+local log = logger.init("xmppclient_listener");
 local lxp = require "lxp"
 local init_xmlhandlers = require "core.xmlhandlers"
 local sm_new_session = require "core.sessionmanager".new_session;
@@ -20,10 +21,11 @@
 local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end
 local m_random = math.random;
 local format = string.format;
-local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session");
+local sessionmanager = require "core.sessionmanager";
+local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session;
 local sm_streamopened = sessionmanager.streamopened;
 local sm_streamclosed = sessionmanager.streamclosed;
-local st = stanza;
+local st = require "util.stanza";
 
 local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams|stream", 
 		default_ns = "jabber:client",

--- a/net/xmppserver_listener.lua	Fri May 01 20:34:25 2009 +0100
+++ b/net/xmppserver_listener.lua	Fri May 01 23:29:40 2009 +0100
@@ -9,9 +9,9 @@
 
 
 local logger = require "logger";
+local log = logger.init("xmppserver_listener");
 local lxp = require "lxp"
 local init_xmlhandlers = require "core.xmlhandlers"
-local sm_new_session = require "core.sessionmanager".new_session;
 local s2s_new_incoming = require "core.s2smanager".new_incoming;
 local s2s_streamopened = require "core.s2smanager".streamopened;
 local s2s_streamclosed = require "core.s2smanager".streamclosed;
@@ -42,8 +42,9 @@
 local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end
 local m_random = math.random;
 local format = string.format;
-local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session");
-local st = stanza;
+local sessionmanager = require "core.sessionmanager";
+local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session;
+local st = require "util.stanza";
 
 local sessions = {};
 local xmppserver = { default_port = 5269, default_mode = "*a" };

--- a/plugins/mod_bosh.lua	Fri May 01 20:34:25 2009 +0100
+++ b/plugins/mod_bosh.lua	Fri May 01 23:29:40 2009 +0100
@@ -1,6 +1,7 @@
 
 module.host = "*" -- Global module
 
+local hosts = _G.hosts;
 local lxp = require "lxp";
 local init_xmlhandlers = require "core.xmlhandlers"
 local server = require "net.server";

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/mod_presence.lua	Fri May 01 23:29:40 2009 +0100
@@ -0,0 +1,279 @@
+-- Prosody IM v0.4
+-- 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.
+--
+
+
+
+local log = require "util.logger".init("mod_presence")
+
+local require = require;
+local pairs, ipairs = pairs, ipairs;
+local t_concat = table.concat;
+local s_find = string.find;
+local tonumber = tonumber;
+
+local st = require "util.stanza";
+local jid_split = require "util.jid".split;
+local jid_bare = require "util.jid".bare;
+local hosts = hosts;
+
+local rostermanager = require "core.rostermanager";
+local sessionmanager = require "core.sessionmanager";
+local offlinemanager = require "core.offlinemanager";
+
+local _core_route_stanza = core_route_stanza;
+local core_route_stanza;
+function core_route_stanza(origin, stanza)
+	if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then
+		local node, host = jid_split(stanza.attr.to);
+		host = hosts[host];
+		if host and host.type == "local" then
+			handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza);
+			return;
+		end
+	end
+	_core_route_stanza(origin, stanza);
+end
+
+function handle_presence(origin, stanza, from_bare, to_bare, core_route_stanza, inbound)
+	local type = stanza.attr.type;
+	if type and type ~= "unavailable" and type ~= "error" then
+		if inbound then
+			handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);
+		else
+			handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);
+		end
+	elseif not inbound and not stanza.attr.to then
+		handle_normal_presence(origin, stanza, core_route_stanza);
+	else
+		core_route_stanza(origin, stanza);
+	end
+end
+
+function handle_normal_presence(origin, stanza, core_route_stanza)
+	if origin.roster then
+		for jid in pairs(origin.roster) do -- broadcast to all interested contacts
+			local subscription = origin.roster[jid].subscription;
+			if subscription == "both" or subscription == "from" then
+				stanza.attr.to = jid;
+				core_route_stanza(origin, stanza);
+			end
+		end
+		local node, host = jid_split(stanza.attr.from);
+		for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast to all resources
+			if res ~= origin and res.presence then -- to resource
+				stanza.attr.to = res.full_jid;
+				core_route_stanza(origin, stanza);
+			end
+		end
+		if stanza.attr.type == nil and not origin.presence then -- initial presence
+			local probe = st.presence({from = origin.full_jid, type = "probe"});
+			for jid in pairs(origin.roster) do -- probe all contacts we are subscribed to
+				local subscription = origin.roster[jid].subscription;
+				if subscription == "both" or subscription == "to" then
+					probe.attr.to = jid;
+					core_route_stanza(origin, probe);
+				end
+			end
+			for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast from all available resources
+				if res ~= origin and res.presence then
+					res.presence.attr.to = origin.full_jid;
+					core_route_stanza(res, res.presence);
+					res.presence.attr.to = nil;
+				end
+			end
+			if origin.roster.pending then -- resend incoming subscription requests
+				for jid in pairs(origin.roster.pending) do
+					origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original?
+				end
+			end
+			local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host});
+			for jid, item in pairs(origin.roster) do -- resend outgoing subscription requests
+				if item.ask then
+					request.attr.to = jid;
+					core_route_stanza(origin, request);
+				end
+			end
+			local offline = offlinemanager.load(node, host);
+			if offline then
+				for _, msg in ipairs(offline) do
+					origin.send(msg); -- FIXME do we need to modify to/from in any way?
+				end
+				offlinemanager.deleteAll(node, host);
+			end
+		end
+		origin.priority = 0;
+		if stanza.attr.type == "unavailable" then
+			origin.presence = nil;
+			if origin.directed then
+				local old_from = stanza.attr.from;
+				stanza.attr.from = origin.full_jid;
+				for jid in pairs(origin.directed) do
+					stanza.attr.to = jid;
+					core_route_stanza(origin, stanza);
+				end
+				stanza.attr.from = old_from;
+				origin.directed = nil;
+			end
+		else
+			origin.presence = stanza;
+			local priority = stanza:child_with_name("priority");
+			if priority and #priority > 0 then
+				priority = t_concat(priority);
+				if s_find(priority, "^[+-]?[0-9]+$") then
+					priority = tonumber(priority);
+					if priority < -128 then priority = -128 end
+					if priority > 127 then priority = 127 end
+					origin.priority = priority;
+				end
+			end
+		end
+		stanza.attr.to = nil; -- reset it
+	else
+		log("error", "presence recieved from client with no roster");
+	end
+end
+
+function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza)
+	local h = hosts[host];
+	local count = 0;
+	if h and h.type == "local" then
+		local u = h.sessions[user];
+		if u then
+			for k, session in pairs(u.sessions) do
+				local pres = session.presence;
+				if pres then
+					pres.attr.to = jid;
+					pres.attr.from = session.full_jid;
+					core_route_stanza(session, pres);
+					pres.attr.to = nil;
+					pres.attr.from = nil;
+					count = count + 1;
+				end
+			end
+		end
+	end
+	log("info", "broadcasted presence of "..count.." resources from "..user.."@"..host.." to "..jid);
+	return count;
+end
+
+function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)
+	local node, host = jid_split(from_bare);
+	local st_from, st_to = stanza.attr.from, stanza.attr.to;
+	stanza.attr.from, stanza.attr.to = from_bare, to_bare;
+	log("debug", "outbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare);
+	if stanza.attr.type == "subscribe" then
+		-- 1. route stanza
+		-- 2. roster push (subscription = none, ask = subscribe)
+		if rostermanager.set_contact_pending_out(node, host, to_bare) then
+			rostermanager.roster_push(node, host, to_bare);
+		end -- else file error
+		core_route_stanza(origin, stanza);
+	elseif stanza.attr.type == "unsubscribe" then
+		-- 1. route stanza
+		-- 2. roster push (subscription = none or from)
+		if rostermanager.unsubscribe(node, host, to_bare) then
+			rostermanager.roster_push(node, host, to_bare); -- FIXME do roster push when roster has in fact not changed?
+		end -- else file error
+		core_route_stanza(origin, stanza);
+	elseif stanza.attr.type == "subscribed" then
+		-- 1. route stanza
+		-- 2. roster_push ()
+		-- 3. send_presence_of_available_resources
+		if rostermanager.subscribed(node, host, to_bare) then
+			rostermanager.roster_push(node, host, to_bare);
+		end
+		core_route_stanza(origin, stanza);
+		send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza);
+	elseif stanza.attr.type == "unsubscribed" then
+		-- 1. route stanza
+		-- 2. roster push (subscription = none or to)
+		if rostermanager.unsubscribed(node, host, to_bare) then
+			rostermanager.roster_push(node, host, to_bare);
+		end
+		core_route_stanza(origin, stanza);
+	end
+	stanza.attr.from, stanza.attr.to = st_from, st_to;
+end
+
+function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)
+	local node, host = jid_split(to_bare);
+	local st_from, st_to = stanza.attr.from, stanza.attr.to;
+	stanza.attr.from, stanza.attr.to = from_bare, to_bare;
+	log("debug", "inbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare);
+	if stanza.attr.type == "probe" then
+		if rostermanager.is_contact_subscribed(node, host, from_bare) then
+			if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then
+				-- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
+			end
+		else
+			core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="unsubscribed"}));
+		end
+	elseif stanza.attr.type == "subscribe" then
+		if rostermanager.is_contact_subscribed(node, host, from_bare) then
+			core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed
+			-- Sending presence is not clearly stated in the RFC, but it seems appropriate
+			if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then
+				-- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
+			end
+		else
+			if not rostermanager.is_contact_pending_in(node, host, from_bare) then
+				if rostermanager.set_contact_pending_in(node, host, from_bare) then
+					sessionmanager.send_to_available_resources(node, host, stanza);
+				end -- TODO else return error, unable to save
+			end
+		end
+	elseif stanza.attr.type == "unsubscribe" then
+		if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then
+			rostermanager.roster_push(node, host, from_bare);
+		end
+	elseif stanza.attr.type == "subscribed" then
+		if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then
+			rostermanager.roster_push(node, host, from_bare);
+		end
+	elseif stanza.attr.type == "unsubscribed" then
+		if rostermanager.process_inbound_subscription_cancellation(node, host, from_bare) then
+			rostermanager.roster_push(node, host, from_bare);
+		end
+	end -- discard any other type
+	stanza.attr.from, stanza.attr.to = st_from, st_to;
+end
+
+local function presence_handler(data)
+	local origin, stanza = data.origin, data.stanza;
+	local to = stanza.attr.to;
+	local node, host = jid_split(to);
+	local to_bare = jid_bare(to);
+	local from_bare = jid_bare(stanza.attr.from);
+	if origin.type == "c2s" then
+		if to ~= nil and not(origin.roster[to_bare] and (origin.roster[to_bare].subscription == "both" or origin.roster[to_bare].subscription == "from")) then -- directed presence
+			origin.directed = origin.directed or {};
+			origin.directed[to] = true;
+		end
+		if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then
+			handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);
+		elseif not to then
+			handle_normal_presence(origin, stanza, core_route_stanza);
+		else
+			core_route_stanza(origin, stanza);
+		end
+	elseif (origin.type == "s2sin" or origin.type == "component") and hosts[host] then
+		if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then
+			handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);
+		else
+			core_route_stanza(origin, stanza);
+		end
+	end
+end
+
+local add_handler = require "core.eventmanager2".add_handler;
+local remove_handler = require "core.eventmanager2".remove_handler;
+
+add_handler(module:get_host().."/presence", presence_handler);
+module.unload = function()
+	remove_handler(module:get_host().."/presence", presence_handler);
+end