X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=core%2Fpresencemanager.lua;h=0f0808aa94790152c7b84460ae4218a7f64d77a6;hb=61fbebe4017d142510fbcfce61714ecb48b99503;hp=70fa41948e7e5ae5f326815c9a5887c05bc217cf;hpb=d8e62953091ad966b76f25e42df1e1450c18aa24;p=prosody.git diff --git a/core/presencemanager.lua b/core/presencemanager.lua index 70fa4194..0f0808aa 100644 --- a/core/presencemanager.lua +++ b/core/presencemanager.lua @@ -1,8 +1,31 @@ +-- Prosody IM v0.2 +-- Copyright (C) 2008 Matthew Wild +-- Copyright (C) 2008 Waqas Hussain +-- +-- This program is free software; you can redistribute it and/or +-- modify it under the terms of the GNU General Public License +-- as published by the Free Software Foundation; either version 2 +-- of the License, or (at your option) any later version. +-- +-- This program is distributed in the hope that it will be useful, +-- but WITHOUT ANY WARRANTY; without even the implied warranty of +-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +-- GNU General Public License for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with this program; if not, write to the Free Software +-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +-- + + local log = require "util.logger".init("presencemanager") local require = require; -local pairs = pairs; +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; @@ -10,9 +33,106 @@ local hosts = hosts; local rostermanager = require "core.rostermanager"; local sessionmanager = require "core.sessionmanager"; +local offlinemanager = require "core.offlinemanager"; module "presencemanager" +function handle_presence(origin, stanza, from_bare, to_bare, core_route_stanza, inbound) + local type = stanza.attr.type; + if type and type ~= "unavailable" 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.full_jid then -- to resource. FIXME is res.full_jid the correct check? Maybe it should be res.presence + 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 + for _, jid in ipairs(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 + 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; @@ -32,6 +152,7 @@ function send_presence_of_available_resources(user, host, jid, recipient_session end end end + log("info", "broadcasted presence of "..count.." resources from "..user.."@"..host.." to "..jid); return count; end @@ -60,16 +181,16 @@ function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_ -- 3. send_presence_of_available_resources if rostermanager.subscribed(node, host, to_bare) then rostermanager.roster_push(node, host, to_bare); - core_route_stanza(origin, stanza); - send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza); 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); - core_route_stanza(origin, stanza); end + core_route_stanza(origin, stanza); end stanza.attr.from, stanza.attr.to = st_from, st_to; end @@ -90,6 +211,10 @@ function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_b 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 @@ -106,7 +231,7 @@ function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_b rostermanager.roster_push(node, host, from_bare); end elseif stanza.attr.type == "unsubscribed" then - if rostermanager.process_inbound_subscription_approval(node, host, from_bare) 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