author | Waqas Hussain <waqas20@gmail.com> |
Fri, 12 Feb 2010 00:55:06 +0500 | |
changeset 2593 | 06995c8bfe80 |
parent 2592 | 3af266f7037f |
child 2643 | 21eb99b06f4d |
permissions | -rw-r--r-- |
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-- Prosody IM |
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-- Copyright (C) 2008-2009 Matthew Wild |
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3 |
-- Copyright (C) 2008-2009 Waqas Hussain |
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-- |
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-- This project is MIT/X11 licensed. Please see the |
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-- COPYING file in the source package for more information. |
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-- |
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|
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local log = module._log; |
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|
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local require = require; |
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local pairs, ipairs = pairs, ipairs; |
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local t_concat, t_insert = table.concat, table.insert; |
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local s_find = string.find; |
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local tonumber = tonumber; |
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|
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local st = require "util.stanza"; |
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local jid_split = require "util.jid".split; |
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local jid_bare = require "util.jid".bare; |
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local hosts = hosts; |
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local NULL = {}; |
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|
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local rostermanager = require "core.rostermanager"; |
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local sessionmanager = require "core.sessionmanager"; |
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local offlinemanager = require "core.offlinemanager"; |
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local _core_route_stanza = core_route_stanza; |
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local core_route_stanza; |
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function core_route_stanza(origin, stanza) |
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if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then |
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local node, host = jid_split(stanza.attr.to); |
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host = hosts[host]; |
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if node and host and host.type == "local" then |
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handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza); |
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return; |
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end |
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end |
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_core_route_stanza(origin, stanza); |
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end |
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|
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local function select_top_resources(user) |
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local priority = 0; |
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local recipients = {}; |
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for _, session in pairs(user.sessions) do -- find resource with greatest priority |
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if session.presence then |
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-- TODO check active privacy list for session |
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local p = session.priority; |
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if p > priority then |
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priority = p; |
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recipients = {session}; |
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elseif p == priority then |
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t_insert(recipients, session); |
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end |
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end |
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end |
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return recipients; |
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end |
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local function recalc_resource_map(user) |
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if user then |
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user.top_resources = select_top_resources(user); |
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if #user.top_resources == 0 then user.top_resources = nil; end |
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end |
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end |
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|
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function handle_normal_presence(origin, stanza, core_route_stanza) |
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local roster = origin.roster; |
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local node, host = origin.username, origin.host; |
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local user = bare_sessions[node.."@"..host]; |
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for _, res in pairs(user and user.sessions or NULL) do -- broadcast to all resources |
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if res ~= origin and res.presence then -- to resource |
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stanza.attr.to = res.full_jid; |
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core_route_stanza(origin, stanza); |
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end |
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end |
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for jid, item in pairs(roster) do -- broadcast to all interested contacts |
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if item.subscription == "both" or item.subscription == "from" then |
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stanza.attr.to = jid; |
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core_route_stanza(origin, stanza); |
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end |
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end |
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if stanza.attr.type == nil and not origin.presence then -- initial presence |
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origin.presence = stanza; -- FIXME repeated later |
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local probe = st.presence({from = origin.full_jid, type = "probe"}); |
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for jid, item in pairs(roster) do -- probe all contacts we are subscribed to |
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if item.subscription == "both" or item.subscription == "to" then |
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probe.attr.to = jid; |
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core_route_stanza(origin, probe); |
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end |
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end |
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for _, res in pairs(user and user.sessions or NULL) do -- broadcast from all available resources |
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if res ~= origin and res.presence then |
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res.presence.attr.to = origin.full_jid; |
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core_route_stanza(res, res.presence); |
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res.presence.attr.to = nil; |
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95 |
end |
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96 |
end |
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if roster.pending then -- resend incoming subscription requests |
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98 |
for jid in pairs(roster.pending) do |
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99 |
origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original? |
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100 |
end |
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101 |
end |
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102 |
local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host}); |
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103 |
for jid, item in pairs(roster) do -- resend outgoing subscription requests |
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104 |
if item.ask then |
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105 |
request.attr.to = jid; |
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106 |
core_route_stanza(origin, request); |
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107 |
end |
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108 |
end |
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109 |
local offline = offlinemanager.load(node, host); |
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110 |
if offline then |
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111 |
for _, msg in ipairs(offline) do |
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112 |
origin.send(msg); -- FIXME do we need to modify to/from in any way? |
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113 |
end |
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114 |
offlinemanager.deleteAll(node, host); |
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115 |
end |
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116 |
end |
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117 |
if stanza.attr.type == "unavailable" then |
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|
118 |
origin.presence = nil; |
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|
119 |
if origin.priority then |
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|
120 |
origin.priority = nil; |
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|
121 |
recalc_resource_map(user); |
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122 |
end |
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|
123 |
if origin.directed then |
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|
124 |
for jid in pairs(origin.directed) do |
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|
125 |
stanza.attr.to = jid; |
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|
126 |
core_route_stanza(origin, stanza); |
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|
127 |
end |
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|
128 |
origin.directed = nil; |
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|
129 |
end |
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|
130 |
else |
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|
131 |
origin.presence = stanza; |
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|
132 |
local priority = stanza:child_with_name("priority"); |
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|
133 |
if priority and #priority > 0 then |
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|
134 |
priority = t_concat(priority); |
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|
135 |
if s_find(priority, "^[+-]?[0-9]+$") then |
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|
136 |
priority = tonumber(priority); |
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|
137 |
if priority < -128 then priority = -128 end |
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|
138 |
if priority > 127 then priority = 127 end |
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|
139 |
else priority = 0; end |
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|
140 |
else priority = 0; end |
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|
141 |
if origin.priority ~= priority then |
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|
142 |
origin.priority = priority; |
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|
143 |
recalc_resource_map(user); |
1508
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|
144 |
end |
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|
145 |
end |
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|
146 |
stanza.attr.to = nil; -- reset it |
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|
147 |
end |
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|
148 |
|
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4ab83f96585a
mod_presence: Send unavailable presence when sending unsubscribed presence stanzas (some legacy clients continue to display unsubscribed contacts as available).
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|
149 |
function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza, stanza) |
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|
150 |
local h = hosts[host]; |
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|
151 |
local count = 0; |
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|
152 |
if h and h.type == "local" then |
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|
153 |
local u = h.sessions[user]; |
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|
154 |
if u then |
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|
155 |
for k, session in pairs(u.sessions) do |
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|
156 |
local pres = session.presence; |
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|
157 |
if pres then |
2038
4ab83f96585a
mod_presence: Send unavailable presence when sending unsubscribed presence stanzas (some legacy clients continue to display unsubscribed contacts as available).
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diff
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|
158 |
if stanza then pres = stanza; pres.attr.from = session.full_jid; end |
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|
159 |
pres.attr.to = jid; |
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|
160 |
core_route_stanza(session, pres); |
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|
161 |
pres.attr.to = nil; |
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|
162 |
count = count + 1; |
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|
163 |
end |
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|
164 |
end |
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|
165 |
end |
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|
166 |
end |
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|
167 |
log("debug", "broadcasted presence of "..count.." resources from "..user.."@"..host.." to "..jid); |
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|
168 |
return count; |
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|
169 |
end |
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|
170 |
|
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|
171 |
function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza) |
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|
172 |
local node, host = jid_split(from_bare); |
1641
af962e6ae781
Fixed: Outbound subscription requests silently dropped (regression in hg:7f17d0d00fbb)
Waqas Hussain <waqas20@gmail.com>
parents:
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diff
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|
173 |
if to_bare == origin.username.."@"..origin.host then return; end -- No self contacts |
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|
174 |
local st_from, st_to = stanza.attr.from, stanza.attr.to; |
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|
175 |
stanza.attr.from, stanza.attr.to = from_bare, to_bare; |
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|
176 |
log("debug", "outbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare); |
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|
177 |
if stanza.attr.type == "subscribe" then |
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|
178 |
-- 1. route stanza |
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|
179 |
-- 2. roster push (subscription = none, ask = subscribe) |
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|
180 |
if rostermanager.set_contact_pending_out(node, host, to_bare) then |
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|
181 |
rostermanager.roster_push(node, host, to_bare); |
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|
182 |
end -- else file error |
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|
183 |
core_route_stanza(origin, stanza); |
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|
184 |
elseif stanza.attr.type == "unsubscribe" then |
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|
185 |
-- 1. route stanza |
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|
186 |
-- 2. roster push (subscription = none or from) |
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|
187 |
if rostermanager.unsubscribe(node, host, to_bare) then |
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|
188 |
rostermanager.roster_push(node, host, to_bare); -- FIXME do roster push when roster has in fact not changed? |
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|
189 |
end -- else file error |
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diff
changeset
|
190 |
core_route_stanza(origin, stanza); |
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changeset
|
191 |
elseif stanza.attr.type == "subscribed" then |
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|
192 |
-- 1. route stanza |
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|
193 |
-- 2. roster_push () |
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|
194 |
-- 3. send_presence_of_available_resources |
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changeset
|
195 |
if rostermanager.subscribed(node, host, to_bare) then |
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|
196 |
rostermanager.roster_push(node, host, to_bare); |
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|
197 |
end |
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changeset
|
198 |
core_route_stanza(origin, stanza); |
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|
199 |
send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza); |
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changeset
|
200 |
elseif stanza.attr.type == "unsubscribed" then |
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diff
changeset
|
201 |
-- 1. route stanza |
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changeset
|
202 |
-- 2. roster push (subscription = none or to) |
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diff
changeset
|
203 |
if rostermanager.unsubscribed(node, host, to_bare) then |
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changeset
|
204 |
rostermanager.roster_push(node, host, to_bare); |
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changeset
|
205 |
end |
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changeset
|
206 |
core_route_stanza(origin, stanza); |
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diff
changeset
|
207 |
end |
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diff
changeset
|
208 |
stanza.attr.from, stanza.attr.to = st_from, st_to; |
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changeset
|
209 |
end |
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diff
changeset
|
210 |
|
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changeset
|
211 |
function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza) |
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changeset
|
212 |
local node, host = jid_split(to_bare); |
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diff
changeset
|
213 |
local st_from, st_to = stanza.attr.from, stanza.attr.to; |
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changeset
|
214 |
stanza.attr.from, stanza.attr.to = from_bare, to_bare; |
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diff
changeset
|
215 |
log("debug", "inbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare); |
1568
b11bac42d56f
mod_presence: Ignore presence sent to host and invalid JIDs, fixes traceback (thanks Deepspawn)
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
216 |
|
b11bac42d56f
mod_presence: Ignore presence sent to host and invalid JIDs, fixes traceback (thanks Deepspawn)
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parents:
1523
diff
changeset
|
217 |
if not node then |
b11bac42d56f
mod_presence: Ignore presence sent to host and invalid JIDs, fixes traceback (thanks Deepspawn)
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parents:
1523
diff
changeset
|
218 |
log("debug", "dropping presence sent to host or invalid address '%s'", tostring(to_bare)); |
b11bac42d56f
mod_presence: Ignore presence sent to host and invalid JIDs, fixes traceback (thanks Deepspawn)
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parents:
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diff
changeset
|
219 |
end |
b11bac42d56f
mod_presence: Ignore presence sent to host and invalid JIDs, fixes traceback (thanks Deepspawn)
Matthew Wild <mwild1@gmail.com>
parents:
1523
diff
changeset
|
220 |
|
1508
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changeset
|
221 |
if stanza.attr.type == "probe" then |
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changeset
|
222 |
if rostermanager.is_contact_subscribed(node, host, from_bare) then |
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diff
changeset
|
223 |
if 0 == send_presence_of_available_resources(node, host, st_from, origin, core_route_stanza) then |
2525
e385511b3a54
mod_presence: Respond with an unavailable presence when subscribers probe and no resources are available.
Waqas Hussain <waqas20@gmail.com>
parents:
2461
diff
changeset
|
224 |
core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"})); -- TODO send last activity |
1508
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|
225 |
end |
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diff
changeset
|
226 |
else |
2259
22417227d2ce
mod_presence: Use the local host object as the origin for auto-generated subscription approvals and cancellations.
Waqas Hussain <waqas20@gmail.com>
parents:
2229
diff
changeset
|
227 |
core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unsubscribed"})); |
1508
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|
228 |
end |
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changeset
|
229 |
elseif stanza.attr.type == "subscribe" then |
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diff
changeset
|
230 |
if rostermanager.is_contact_subscribed(node, host, from_bare) then |
2259
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231 |
core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed |
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232 |
-- Sending presence is not clearly stated in the RFC, but it seems appropriate |
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233 |
if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then |
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234 |
core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"})); -- TODO send last activity |
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235 |
end |
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236 |
else |
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237 |
core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"})); -- acknowledging receipt |
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|
238 |
if not rostermanager.is_contact_pending_in(node, host, from_bare) then |
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|
239 |
if rostermanager.set_contact_pending_in(node, host, from_bare) then |
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240 |
sessionmanager.send_to_available_resources(node, host, stanza); |
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241 |
end -- TODO else return error, unable to save |
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242 |
end |
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243 |
end |
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244 |
elseif stanza.attr.type == "unsubscribe" then |
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245 |
if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then |
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246 |
sessionmanager.send_to_interested_resources(node, host, stanza); |
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247 |
rostermanager.roster_push(node, host, from_bare); |
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248 |
end |
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249 |
elseif stanza.attr.type == "subscribed" then |
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250 |
if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then |
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251 |
sessionmanager.send_to_interested_resources(node, host, stanza); |
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252 |
rostermanager.roster_push(node, host, from_bare); |
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253 |
end |
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254 |
elseif stanza.attr.type == "unsubscribed" then |
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255 |
if rostermanager.process_inbound_subscription_cancellation(node, host, from_bare) then |
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256 |
sessionmanager.send_to_interested_resources(node, host, stanza); |
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257 |
rostermanager.roster_push(node, host, from_bare); |
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258 |
end |
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259 |
end -- discard any other type |
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260 |
stanza.attr.from, stanza.attr.to = st_from, st_to; |
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261 |
end |
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262 |
|
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263 |
local outbound_presence_handler = function(data) |
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264 |
-- outbound presence recieved |
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|
265 |
local origin, stanza = data.origin, data.stanza; |
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266 |
|
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267 |
local to = stanza.attr.to; |
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268 |
if to then |
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269 |
local t = stanza.attr.type; |
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270 |
if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes |
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271 |
handle_outbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza); |
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272 |
return true; |
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273 |
end |
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274 |
|
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275 |
local to_bare = jid_bare(to); |
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276 |
if not(origin.roster[to_bare] and (origin.roster[to_bare].subscription == "both" or origin.roster[to_bare].subscription == "from")) then -- directed presence |
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277 |
origin.directed = origin.directed or {}; |
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278 |
if t then -- removing from directed presence list on sending an error or unavailable |
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279 |
origin.directed[to] = nil; -- FIXME does it make more sense to add to_bare rather than to? |
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280 |
else |
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281 |
origin.directed[to] = true; -- FIXME does it make more sense to add to_bare rather than to? |
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282 |
end |
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|
283 |
end |
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284 |
end -- TODO maybe handle normal presence here, instead of letting it pass to incoming handlers? |
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285 |
end |
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286 |
|
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|
287 |
module:hook("pre-presence/full", outbound_presence_handler); |
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|
288 |
module:hook("pre-presence/bare", outbound_presence_handler); |
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289 |
module:hook("pre-presence/host", outbound_presence_handler); |
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|
290 |
|
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291 |
module:hook("presence/bare", function(data) |
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292 |
-- inbound presence to bare JID recieved |
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|
293 |
local origin, stanza = data.origin, data.stanza; |
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294 |
|
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295 |
local to = stanza.attr.to; |
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|
296 |
local t = stanza.attr.type; |
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|
297 |
if to then |
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|
298 |
if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to bare JID |
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299 |
handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza); |
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300 |
return true; |
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|
301 |
end |
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302 |
|
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303 |
local user = bare_sessions[to]; |
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|
304 |
if user then |
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|
305 |
for _, session in pairs(user.sessions) do |
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|
306 |
if session.presence then -- only send to available resources |
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|
307 |
session.send(stanza); |
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|
308 |
end |
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309 |
end |
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310 |
end -- no resources not online, discard |
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311 |
elseif not t or t == "unavailable" then |
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|
312 |
handle_normal_presence(origin, stanza, core_route_stanza); |
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|
313 |
end |
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|
314 |
return true; |
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|
315 |
end); |
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|
316 |
module:hook("presence/full", function(data) |
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|
317 |
-- inbound presence to full JID recieved |
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|
318 |
local origin, stanza = data.origin, data.stanza; |
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|
319 |
|
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|
320 |
local t = stanza.attr.type; |
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|
321 |
if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to full JID |
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|
322 |
handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza); |
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|
323 |
return true; |
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|
324 |
end |
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|
325 |
|
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|
326 |
local session = full_sessions[stanza.attr.to]; |
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|
327 |
if session then |
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|
328 |
-- TODO fire post processing event |
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|
329 |
session.send(stanza); |
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|
330 |
end -- resource not online, discard |
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|
331 |
return true; |
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|
332 |
end); |
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|
333 |
module:hook("presence/host", function(data) |
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|
334 |
-- inbound presence to the host |
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|
335 |
local origin, stanza = data.origin, data.stanza; |
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|
336 |
|
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|
337 |
local from_bare = jid_bare(stanza.attr.from); |
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|
338 |
local t = stanza.attr.type; |
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|
339 |
if t == "probe" then |
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|
340 |
core_route_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id })); |
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|
341 |
elseif t == "subscribe" then |
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|
342 |
core_route_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id, type = "subscribed" })); |
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343 |
core_route_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id })); |
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344 |
end |
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345 |
return true; |
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|
346 |
end); |
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347 |
|
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348 |
module:hook("resource-unbind", function(event) |
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349 |
local session, err = event.session, event.error; |
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350 |
-- Send unavailable presence |
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351 |
if session.presence then |
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|
352 |
local pres = st.presence{ type = "unavailable" }; |
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353 |
if not(err) or err == "closed" then err = "connection closed"; end |
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354 |
pres:tag("status"):text("Disconnected: "..err):up(); |
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355 |
session:dispatch_stanza(pres); |
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|
356 |
elseif session.directed then |
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bbadcaab0036
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357 |
local pres = st.presence{ type = "unavailable", from = session.full_jid }; |
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358 |
if not(err) or err == "closed" then err = "connection closed"; end |
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|
359 |
pres:tag("status"):text("Disconnected: "..err):up(); |
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360 |
for jid in pairs(session.directed) do |
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361 |
pres.attr.to = jid; |
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|
362 |
core_route_stanza(session, pres); |
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|
363 |
end |
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|
364 |
session.directed = nil; |
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365 |
end |
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|
366 |
end); |