diff options
Diffstat (limited to 'plugins/mod_presence.lua')
-rw-r--r-- | plugins/mod_presence.lua | 674 |
1 files changed, 337 insertions, 337 deletions
diff --git a/plugins/mod_presence.lua b/plugins/mod_presence.lua index 5618d589..f45df8fc 100644 --- a/plugins/mod_presence.lua +++ b/plugins/mod_presence.lua @@ -1,337 +1,337 @@ --- 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 = 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 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)
- 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;
- 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);
- 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, 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" };
- 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);
+-- 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 = 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 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) + 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; + 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); + 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, 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" }; + 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); |