+-- Prosody IM v0.3
+-- 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.
+--
+
+
\r
local log = require "util.logger".init("presencemanager")\r
\r
local require = require;\r
-local pairs = pairs;\r
+local pairs, ipairs = pairs, ipairs;\r
+local t_concat = table.concat;\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
\r
local rostermanager = require "core.rostermanager";\r
local sessionmanager = require "core.sessionmanager";\r
+local offlinemanager = require "core.offlinemanager";\r
\r
module "presencemanager"\r
\r
+function handle_presence(origin, stanza, from_bare, to_bare, core_route_stanza, inbound)\r
+ local type = stanza.attr.type;\r
+ if type and type ~= "unavailable" then\r
+ if inbound then\r
+ handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);\r
+ else\r
+ handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);\r
+ end\r
+ elseif not inbound and not stanza.attr.to then\r
+ handle_normal_presence(origin, stanza, core_route_stanza);\r
+ else\r
+ core_route_stanza(origin, stanza);\r
+ end\r
+end\r
+\r
+function handle_normal_presence(origin, stanza, core_route_stanza)\r
+ if origin.roster then\r
+ for jid in pairs(origin.roster) do -- broadcast to all interested contacts\r
+ local subscription = origin.roster[jid].subscription;\r
+ if subscription == "both" or subscription == "from" then\r
+ stanza.attr.to = jid;\r
+ core_route_stanza(origin, stanza);\r
+ end\r
+ end\r
+ local node, host = jid_split(stanza.attr.from);\r
+ for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast to all resources\r
+ if res ~= origin and res.full_jid then -- to resource. FIXME is res.full_jid the correct check? Maybe it should be res.presence\r
+ stanza.attr.to = res.full_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 in pairs(origin.roster) do -- probe all contacts we are subscribed to\r
+ local subscription = origin.roster[jid].subscription;\r
+ if subscription == "both" or 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 origin.roster.pending then -- resend incoming subscription requests\r
+ for jid in pairs(origin.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(origin.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
+ local offline = offlinemanager.load(node, host);
+ 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);
+ end\r
+ end\r
+ origin.priority = 0;\r
+ if stanza.attr.type == "unavailable" then\r
+ origin.presence = nil;
+ 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\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
+ origin.priority = priority;\r
+ end\r
+ end\r
+ end\r
+ stanza.attr.to = nil; -- reset it\r
+ else\r
+ log("error", "presence recieved from client with no roster");\r
+ end\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
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