X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_presence.lua;h=f83e017b3b54c631bc92b622a58bc4989f590a89;hb=ffa5a8a8b8d25e9a6e22713662a6ef83d537f081;hp=2fb976b50f634fca8536954ca1689ababdfcf61f;hpb=735b72f00066635249855c22ee08d1ac241c702a;p=prosody.git

diff --git a/plugins/mod_presence.lua b/plugins/mod_presence.lua
index 2fb976b5..f83e017b 100644
--- a/plugins/mod_presence.lua
+++ b/plugins/mod_presence.lua
@@ -1,279 +1,347 @@
--- 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
+-- 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.
+--
+
+local log = module._log;
+
+local require = require;
+local pairs, ipairs = pairs, ipairs;
+local t_concat, t_insert = table.concat, table.insert;
+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 node and 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
+
+local function select_top_resources(user)
+	local priority = 0;
+	local recipients = {};
+	for _, session in pairs(user.sessions) do -- find resource with greatest priority
+		if session.presence then
+			-- TODO check active privacy list for session
+			local p = session.priority;
+			if p > priority then
+				priority = p;
+				recipients = {session};
+			elseif p == priority then
+				t_insert(recipients, session);
+			end
+		end
+	end
+	return recipients;
+end
+local function recalc_resource_map(origin)
+	local user = hosts[origin.host].sessions[origin.username];
+	user.top_resources = select_top_resources(user);
+	if #user.top_resources == 0 then user.top_resources = nil; end
+end
+
+function handle_normal_presence(origin, stanza, core_route_stanza)
+	local roster = origin.roster;
+	local node, host = origin.username, origin.host;
+	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
+	for jid, item in pairs(roster) do -- broadcast to all interested contacts
+		if item.subscription == "both" or item.subscription == "from" then
+			stanza.attr.to = 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, item in pairs(roster) do -- probe all contacts we are subscribed to
+			if item.subscription == "both" or item.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 roster.pending then -- resend incoming subscription requests
+			for jid in pairs(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(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
+	if stanza.attr.type == "unavailable" then
+		origin.presence = nil;
+		if origin.priority then
+			origin.priority = nil;
+			recalc_resource_map(origin);
+		end
+		if origin.directed then
+			for jid in pairs(origin.directed) do
+				stanza.attr.to = jid;
+				core_route_stanza(origin, stanza);
+			end
+			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
+			else priority = 0; end
+		else priority = 0; end
+		if origin.priority ~= priority then
+			origin.priority = priority;
+			recalc_resource_map(origin);
+		end
+	end
+	stanza.attr.to = nil; -- reset it
+end
+
+function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza, 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
+					if stanza then pres = stanza; pres.attr.from = session.full_jid; end
+					pres.attr.to = jid;
+					core_route_stanza(session, pres);
+					pres.attr.to = nil;
+					count = count + 1;
+				end
+			end
+		end
+	end
+	log("debug", "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);
+	if to_bare == origin.username.."@"..origin.host then return; end -- No self contacts
+	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);
+		-- COMPAT: Some legacy clients keep displaying unsubscribed contacts as online unless an unavailable presence is sent:
+		send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza,
+			st.presence({ type="unavailable", from=from_bare, to=to_bare, id=stanza.attr.id }));
+	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 not node then
+		log("debug", "dropping presence sent to host or invalid address '%s'", tostring(to_bare));
+	end
+	
+	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, st_from, 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 outbound_presence_handler = function(data)
+	-- outbound presence recieved
+	local origin, stanza = data.origin, data.stanza;
+
+	local to = stanza.attr.to;
+	if to then
+		local t = stanza.attr.type;
+		if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes
+			handle_outbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza);
+			return true;
+		end
+
+		local to_bare = jid_bare(to);
+		if 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 {};
+			if t then -- removing from directed presence list on sending an error or unavailable
+				origin.directed[to] = nil; -- FIXME does it make more sense to add to_bare rather than to?
+			else
+				origin.directed[to] = true; -- FIXME does it make more sense to add to_bare rather than to?
+			end
+		end
+	end -- TODO maybe handle normal presence here, instead of letting it pass to incoming handlers?
+end
+
+module:hook("pre-presence/full", outbound_presence_handler);
+module:hook("pre-presence/bare", outbound_presence_handler);
+module:hook("pre-presence/host", outbound_presence_handler);
+
+module:hook("presence/bare", function(data)
+	-- inbound presence to bare JID recieved
+	local origin, stanza = data.origin, data.stanza;
+
+	local to = stanza.attr.to;
+	local t = stanza.attr.type;
+	if to then
+		if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to bare JID
+			handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza);
+			return true;
+		end
+	
+		local user = bare_sessions[to];
+		if user then
+			for _, session in pairs(user.sessions) do
+				if session.presence then -- only send to available resources
+					session.send(stanza);
+				end
+			end
+		end -- no resources not online, discard
+	elseif not t or t == "unavailable" then
+		handle_normal_presence(origin, stanza, core_route_stanza);
+	end
+	return true;
+end);
+module:hook("presence/full", function(data)
+	-- inbound presence to full JID recieved
+	local origin, stanza = data.origin, data.stanza;
+
+	local t = stanza.attr.type;
+	if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to full JID
+		handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza);
+		return true;
+	end
+
+	local session = full_sessions[stanza.attr.to];
+	if session then
+		-- TODO fire post processing event
+		session.send(stanza);
+	end -- resource not online, discard
+	return true;
+end);
+
+module:hook("resource-unbind", function(event)
+	local session, err = event.session, event.error;
+	-- Send unavailable presence
+	if session.presence then
+		local pres = st.presence{ type = "unavailable" };
+		if not(err) or err == "closed" then err = "connection closed"; end
+		pres:tag("status"):text("Disconnected: "..err):up();
+		session:dispatch_stanza(pres);
+	elseif session.directed then
+		local pres = st.presence{ type = "unavailable", from = session.full_jid };
+		if not(err) or err == "closed" then err = "connection closed"; end
+		pres:tag("status"):text("Disconnected: "..err):up();
+		for jid in pairs(session.directed) do
+			pres.attr.to = jid;
+			core_route_stanza(session, pres);
+		end
+		session.directed = nil;
+	end
+end);