--- Prosody IM v0.4\r
--- Copyright (C) 2008-2009 Matthew Wild\r
--- Copyright (C) 2008-2009 Waqas Hussain\r
--- \r
--- This project is MIT/X11 licensed. Please see the\r
--- COPYING file in the source package for more information.\r
---\r
-\r
-local log = module._log;\r
-\r
-local require = require;\r
-local pairs, ipairs = pairs, ipairs;\r
-local t_concat, t_insert = table.concat, table.insert;\r
-local s_find = string.find;\r
-local tonumber = tonumber;\r
-\r
-local st = require "util.stanza";\r
-local jid_split = require "util.jid".split;\r
-local jid_bare = require "util.jid".bare;\r
-local hosts = hosts;\r
-\r
-local rostermanager = require "core.rostermanager";\r
-local sessionmanager = require "core.sessionmanager";\r
-local offlinemanager = require "core.offlinemanager";\r
-\r
-local _core_route_stanza = core_route_stanza;\r
-local core_route_stanza;\r
-function core_route_stanza(origin, stanza)\r
- if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then\r
- local node, host = jid_split(stanza.attr.to);\r
- host = hosts[host];\r
- if host and host.type == "local" then\r
- handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza);\r
- return;\r
- end\r
- end\r
- _core_route_stanza(origin, stanza);\r
-end\r
-\r
-local function select_top_resources(user)\r
- local priority = 0;\r
- local recipients = {};\r
- for _, session in pairs(user.sessions) do -- find resource with greatest priority\r
- if session.presence then\r
- -- TODO check active privacy list for session\r
- local p = session.priority;\r
- if p > priority then\r
- priority = p;\r
- recipients = {session};\r
- elseif p == priority then\r
- t_insert(recipients, session);\r
- end\r
- end\r
- end\r
- return recipients;\r
-end\r
-local function recalc_resource_map(origin)\r
- local user = hosts[origin.host].sessions[origin.username];\r
- user.top_resources = select_top_resources(user);\r
- if #user.top_resources == 0 then user.top_resources = nil; end\r
-end\r
-\r
-function handle_normal_presence(origin, stanza, core_route_stanza)\r
- local roster = origin.roster;\r
- local node, host = origin.username, origin.host;\r
- for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast to all resources\r
- if res ~= origin and res.presence then -- to resource\r
- stanza.attr.to = res.full_jid;\r
- core_route_stanza(origin, stanza);\r
- end\r
- end\r
- for jid, item in pairs(roster) do -- broadcast to all interested contacts\r
- if item.subscription == "both" or item.subscription == "from" then\r
- stanza.attr.to = jid;\r
- core_route_stanza(origin, stanza);\r
- end\r
- end\r
- if stanza.attr.type == nil and not origin.presence then -- initial presence\r
- local probe = st.presence({from = origin.full_jid, type = "probe"});\r
- for jid, item in pairs(roster) do -- probe all contacts we are subscribed to\r
- if item.subscription == "both" or item.subscription == "to" then\r
- probe.attr.to = jid;\r
- core_route_stanza(origin, probe);\r
- end\r
- end\r
- for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast from all available resources\r
- if res ~= origin and res.presence then\r
- res.presence.attr.to = origin.full_jid;\r
- core_route_stanza(res, res.presence);\r
- res.presence.attr.to = nil;\r
- end\r
- end\r
- if roster.pending then -- resend incoming subscription requests\r
- for jid in pairs(roster.pending) do\r
- origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original?\r
- end\r
- end\r
- local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host});\r
- for jid, item in pairs(roster) do -- resend outgoing subscription requests\r
- if item.ask then\r
- request.attr.to = jid;\r
- core_route_stanza(origin, request);\r
- end\r
- end\r
- local offline = offlinemanager.load(node, host);\r
- if offline then\r
- for _, msg in ipairs(offline) do\r
- origin.send(msg); -- FIXME do we need to modify to/from in any way?\r
- end\r
- offlinemanager.deleteAll(node, host);\r
- end\r
- end\r
- if stanza.attr.type == "unavailable" then\r
- origin.presence = nil;\r
- if origin.priority then\r
- origin.priority = nil;\r
- recalc_resource_map(origin);\r
- end\r
- if origin.directed then\r
- for jid in pairs(origin.directed) do\r
- stanza.attr.to = jid;\r
- core_route_stanza(origin, stanza);\r
- end\r
- origin.directed = nil;\r
- end\r
- else\r
- origin.presence = stanza;\r
- local priority = stanza:child_with_name("priority");\r
- if priority and #priority > 0 then\r
- priority = t_concat(priority);\r
- if s_find(priority, "^[+-]?[0-9]+$") then\r
- priority = tonumber(priority);\r
- if priority < -128 then priority = -128 end\r
- if priority > 127 then priority = 127 end\r
- else priority = 0; end\r
- else priority = 0; end\r
- if origin.priority ~= priority then\r
- origin.priority = priority;\r
- recalc_resource_map(origin);\r
- end\r
- end\r
- stanza.attr.to = nil; -- reset it\r
-end\r
-\r
-function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza)\r
- local h = hosts[host];\r
- local count = 0;\r
- if h and h.type == "local" then\r
- local u = h.sessions[user];\r
- if u then\r
- for k, session in pairs(u.sessions) do\r
- local pres = session.presence;\r
- if pres then\r
- pres.attr.to = jid;\r
- core_route_stanza(session, pres);\r
- pres.attr.to = nil;\r
- count = count + 1;\r
- end\r
- end\r
- end\r
- end\r
- log("debug", "broadcasted presence of "..count.." resources from "..user.."@"..host.." to "..jid);\r
- return count;\r
-end\r
-\r
-function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)\r
- local node, host = jid_split(from_bare);\r
- local st_from, st_to = stanza.attr.from, stanza.attr.to;\r
- stanza.attr.from, stanza.attr.to = from_bare, to_bare;\r
- log("debug", "outbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare);\r
- if stanza.attr.type == "subscribe" then\r
- -- 1. route stanza\r
- -- 2. roster push (subscription = none, ask = subscribe)\r
- if rostermanager.set_contact_pending_out(node, host, to_bare) then\r
- rostermanager.roster_push(node, host, to_bare);\r
- end -- else file error\r
- core_route_stanza(origin, stanza);\r
- elseif stanza.attr.type == "unsubscribe" then\r
- -- 1. route stanza\r
- -- 2. roster push (subscription = none or from)\r
- if rostermanager.unsubscribe(node, host, to_bare) then\r
- rostermanager.roster_push(node, host, to_bare); -- FIXME do roster push when roster has in fact not changed?\r
- end -- else file error\r
- core_route_stanza(origin, stanza);\r
- elseif stanza.attr.type == "subscribed" then\r
- -- 1. route stanza\r
- -- 2. roster_push ()\r
- -- 3. send_presence_of_available_resources\r
- if rostermanager.subscribed(node, host, to_bare) then\r
- rostermanager.roster_push(node, host, to_bare);\r
- end\r
- core_route_stanza(origin, stanza);\r
- send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza);\r
- elseif stanza.attr.type == "unsubscribed" then\r
- -- 1. route stanza\r
- -- 2. roster push (subscription = none or to)\r
- if rostermanager.unsubscribed(node, host, to_bare) then\r
- rostermanager.roster_push(node, host, to_bare);\r
- end\r
- core_route_stanza(origin, stanza);\r
- end\r
- stanza.attr.from, stanza.attr.to = st_from, st_to;\r
-end\r
-\r
-function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)\r
- local node, host = jid_split(to_bare);\r
- local st_from, st_to = stanza.attr.from, stanza.attr.to;\r
- stanza.attr.from, stanza.attr.to = from_bare, to_bare;\r
- log("debug", "inbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare);\r
- if stanza.attr.type == "probe" then\r
- if rostermanager.is_contact_subscribed(node, host, from_bare) then\r
- if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then\r
- -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)\r
- end\r
- else\r
- core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="unsubscribed"}));\r
- end\r
- elseif stanza.attr.type == "subscribe" then\r
- if rostermanager.is_contact_subscribed(node, host, from_bare) then\r
- core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed\r
- -- Sending presence is not clearly stated in the RFC, but it seems appropriate\r
- if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then\r
- -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)\r
- end\r
- else\r
- if not rostermanager.is_contact_pending_in(node, host, from_bare) then\r
- if rostermanager.set_contact_pending_in(node, host, from_bare) then\r
- sessionmanager.send_to_available_resources(node, host, stanza);\r
- end -- TODO else return error, unable to save\r
- end\r
- end\r
- elseif stanza.attr.type == "unsubscribe" then\r
- if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then\r
- rostermanager.roster_push(node, host, from_bare);\r
- end\r
- elseif stanza.attr.type == "subscribed" then\r
- if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then\r
- rostermanager.roster_push(node, host, from_bare);\r
- end\r
- elseif stanza.attr.type == "unsubscribed" then\r
- if rostermanager.process_inbound_subscription_cancellation(node, host, from_bare) then\r
- rostermanager.roster_push(node, host, from_bare);\r
- end\r
- end -- discard any other type\r
- stanza.attr.from, stanza.attr.to = st_from, st_to;\r
-end\r
-\r
-local outbound_presence_handler = function(data)\r
- -- outbound presence recieved\r
- local origin, stanza = data.origin, data.stanza;\r
-\r
- local to = stanza.attr.to;\r
- if to then\r
- local t = stanza.attr.type;\r
- if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes\r
- handle_outbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza);\r
- return true;\r
- end\r
-\r
- local to_bare = jid_bare(to);\r
- if not(origin.roster[to_bare] and (origin.roster[to_bare].subscription == "both" or origin.roster[to_bare].subscription == "from")) then -- directed presence\r
- origin.directed = origin.directed or {};\r
- if t then -- removing from directed presence list on sending an error or unavailable\r
- origin.directed[to] = nil; -- FIXME does it make more sense to add to_bare rather than to?\r
- else\r
- origin.directed[to] = true; -- FIXME does it make more sense to add to_bare rather than to?\r
- end\r
- end\r
- end -- TODO maybe handle normal presence here, instead of letting it pass to incoming handlers?\r
-end\r
-\r
-module:hook("pre-presence/full", outbound_presence_handler);\r
-module:hook("pre-presence/bare", outbound_presence_handler);\r
-module:hook("pre-presence/host", outbound_presence_handler);\r
-\r
-module:hook("presence/bare", function(data)\r
- -- inbound presence to bare JID recieved\r
- local origin, stanza = data.origin, data.stanza;\r
-\r
- local to = stanza.attr.to;\r
- local t = stanza.attr.type;\r
- if to then\r
- if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to bare JID\r
- handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza);\r
- return true;\r
- end\r
- \r
- local user = bare_sessions[to];\r
- if user then\r
- for _, session in pairs(user.sessions) do\r
- if session.presence then -- only send to available resources\r
- session.send(stanza);\r
- end\r
- end\r
- end -- no resources not online, discard\r
- elseif not t or t == "unavailable" then\r
- handle_normal_presence(origin, stanza, core_route_stanza);\r
- end\r
- return true;\r
-end);\r
-module:hook("presence/full", function(data)\r
- -- inbound presence to full JID recieved\r
- local origin, stanza = data.origin, data.stanza;\r
-\r
- local t = stanza.attr.type;\r
- if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to full JID\r
- handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza);\r
- return true;\r
- end\r
-\r
- local session = full_sessions[stanza.attr.to];\r
- if session then\r
- -- TODO fire post processing event\r
- session.send(stanza);\r
- end -- resource not online, discard\r
- return true;\r
-end);\r
+-- Prosody IM
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 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 NULL = {};
+
+local rostermanager = require "core.rostermanager";
+local sessionmanager = require "core.sessionmanager";
+local offlinemanager = require "core.offlinemanager";
+
+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(user)
+ if user then
+ user.top_resources = select_top_resources(user);
+ if #user.top_resources == 0 then user.top_resources = nil; end
+ end
+end
+
+local ignore_presence_priority = module:get_option("ignore_presence_priority");
+
+function handle_normal_presence(origin, stanza)
+ if ignore_presence_priority then
+ local priority = stanza:child_with_name("priority");
+ if priority and priority[1] ~= "0" then
+ for i=#priority.tags,1,-1 do priority.tags[i] = nil; end
+ for i=#priority,1,-1 do priority[i] = nil; end
+ priority[1] = "0";
+ end
+ end
+ if full_sessions[origin.full_jid] then -- if user is still connected
+ origin.send(stanza); -- reflect their presence back to them
+ end
+ local roster = origin.roster;
+ local node, host = origin.username, origin.host;
+ local user = bare_sessions[node.."@"..host];
+ for _, res in pairs(user and user.sessions or NULL) do -- broadcast to all resources
+ if res ~= origin and res.presence then -- to resource
+ stanza.attr.to = res.full_jid;
+ core_post_stanza(origin, stanza, true);
+ 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_post_stanza(origin, stanza, true);
+ end
+ end
+ if stanza.attr.type == nil and not origin.presence then -- initial presence
+ origin.presence = stanza; -- FIXME repeated later
+ 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_post_stanza(origin, probe, true);
+ end
+ end
+ for _, res in pairs(user and user.sessions or NULL) do -- broadcast from all available resources
+ if res ~= origin and res.presence then
+ res.presence.attr.to = origin.full_jid;
+ core_post_stanza(res, res.presence, true);
+ 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_post_stanza(origin, request, true);
+ 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(user);
+ end
+ if origin.directed then
+ for jid in pairs(origin.directed) do
+ stanza.attr.to = jid;
+ core_post_stanza(origin, stanza, true);
+ 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(user);
+ end
+ end
+ stanza.attr.to = nil; -- reset it
+end
+
+function send_presence_of_available_resources(user, host, jid, recipient_session, 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_post_stanza(session, pres, true);
+ 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)
+ local node, host = jid_split(from_bare);
+ if to_bare == from_bare 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 == "probe" then
+ stanza.attr.from, stanza.attr.to = st_from, st_to;
+ return;
+ elseif 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_post_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_post_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_post_stanza(origin, stanza);
+ send_presence_of_available_resources(node, host, to_bare, origin);
+ 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_post_stanza(origin, stanza);
+ end
+ stanza.attr.from, stanza.attr.to = st_from, st_to;
+ return true;
+end
+
+function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare)
+ 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
+ local result, err = rostermanager.is_contact_subscribed(node, host, from_bare);
+ if result then
+ if 0 == send_presence_of_available_resources(node, host, st_from, origin) then
+ core_post_stanza(hosts[host], st.presence({from=to_bare, to=st_from, type="unavailable"}), true); -- TODO send last activity
+ end
+ elseif not err then
+ core_post_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unsubscribed"}), true);
+ end
+ elseif stanza.attr.type == "subscribe" then
+ if rostermanager.is_contact_subscribed(node, host, from_bare) then
+ core_post_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="subscribed"}), true); -- 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) then
+ core_post_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"}), true); -- TODO send last activity
+ end
+ else
+ core_post_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"}), true); -- acknowledging receipt
+ 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
+ sessionmanager.send_to_interested_resources(node, host, stanza);
+ 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
+ sessionmanager.send_to_interested_resources(node, host, stanza);
+ 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
+ sessionmanager.send_to_interested_resources(node, host, stanza);
+ rostermanager.roster_push(node, host, from_bare);
+ end
+ end -- discard any other type
+ stanza.attr.from, stanza.attr.to = st_from, st_to;
+ return true;
+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
+ return handle_outbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to));
+ end
+
+ local to_bare = jid_bare(to);
+ local roster = origin.roster;
+ if roster and not(roster[to_bare] and (roster[to_bare].subscription == "both" or 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
+ return handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to));
+ 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);
+ 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
+ return handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to));
+ 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("presence/host", function(data)
+ -- inbound presence to the host
+ local origin, stanza = data.origin, data.stanza;
+
+ local from_bare = jid_bare(stanza.attr.from);
+ local t = stanza.attr.type;
+ if t == "probe" then
+ core_post_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id }));
+ elseif t == "subscribe" then
+ core_post_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id, type = "subscribed" }));
+ core_post_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id }));
+ end
+ 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_post_stanza(session, pres, true);
+ end
+ session.directed = nil;
+ end
+end);
projects / prosody.git / blobdiff