Wed, 22 Apr 2009 00:49:45 +0500
mod_presence: Remove some rather drastic debugging code
1000 | 1 | -- Prosody IM v0.4 |
2 | -- Copyright (C) 2008-2009 Matthew Wild | |
3 | -- Copyright (C) 2008-2009 Waqas Hussain | |
4 | -- | |
5 | -- This project is MIT/X11 licensed. Please see the | |
6 | -- COPYING file in the source package for more information. | |
7 | -- | |
8 | ||
9 | ||
10 | ||
11 | local log = require "util.logger".init("mod_presence") | |
12 | ||
13 | local require = require; | |
14 | local pairs, ipairs = pairs, ipairs; | |
15 | local t_concat = table.concat; | |
16 | local s_find = string.find; | |
17 | local tonumber = tonumber; | |
18 | ||
19 | local st = require "util.stanza"; | |
20 | local jid_split = require "util.jid".split; | |
21 | local jid_bare = require "util.jid".bare; | |
22 | local hosts = hosts; | |
23 | ||
24 | local rostermanager = require "core.rostermanager"; | |
25 | local sessionmanager = require "core.sessionmanager"; | |
26 | local offlinemanager = require "core.offlinemanager"; | |
27 | ||
28 | function handle_presence(origin, stanza, from_bare, to_bare, core_route_stanza, inbound) | |
29 | local type = stanza.attr.type; | |
30 | if type and type ~= "unavailable" and type ~= "error" then | |
31 | if inbound then | |
32 | handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); | |
33 | else | |
34 | handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); | |
35 | end | |
36 | elseif not inbound and not stanza.attr.to then | |
37 | handle_normal_presence(origin, stanza, core_route_stanza); | |
38 | else | |
39 | core_route_stanza(origin, stanza); | |
40 | end | |
41 | end | |
42 | ||
43 | function handle_normal_presence(origin, stanza, core_route_stanza) | |
44 | if origin.roster then | |
45 | for jid in pairs(origin.roster) do -- broadcast to all interested contacts | |
46 | local subscription = origin.roster[jid].subscription; | |
47 | if subscription == "both" or subscription == "from" then | |
48 | stanza.attr.to = jid; | |
49 | core_route_stanza(origin, stanza); | |
50 | end | |
51 | end | |
52 | local node, host = jid_split(stanza.attr.from); | |
53 | for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast to all resources | |
54 | if res ~= origin and res.full_jid then -- to resource. FIXME is res.full_jid the correct check? Maybe it should be res.presence | |
55 | stanza.attr.to = res.full_jid; | |
56 | core_route_stanza(origin, stanza); | |
57 | end | |
58 | end | |
59 | if stanza.attr.type == nil and not origin.presence then -- initial presence | |
60 | local probe = st.presence({from = origin.full_jid, type = "probe"}); | |
61 | for jid in pairs(origin.roster) do -- probe all contacts we are subscribed to | |
62 | local subscription = origin.roster[jid].subscription; | |
63 | if subscription == "both" or subscription == "to" then | |
64 | probe.attr.to = jid; | |
65 | core_route_stanza(origin, probe); | |
66 | end | |
67 | end | |
68 | for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast from all available resources | |
69 | if res ~= origin and res.presence then | |
70 | res.presence.attr.to = origin.full_jid; | |
71 | core_route_stanza(res, res.presence); | |
72 | res.presence.attr.to = nil; | |
73 | end | |
74 | end | |
75 | if origin.roster.pending then -- resend incoming subscription requests | |
76 | for jid in pairs(origin.roster.pending) do | |
77 | origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original? | |
78 | end | |
79 | end | |
80 | local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host}); | |
81 | for jid, item in pairs(origin.roster) do -- resend outgoing subscription requests | |
82 | if item.ask then | |
83 | request.attr.to = jid; | |
84 | core_route_stanza(origin, request); | |
85 | end | |
86 | end | |
87 | local offline = offlinemanager.load(node, host); | |
88 | if offline then | |
89 | for _, msg in ipairs(offline) do | |
90 | origin.send(msg); -- FIXME do we need to modify to/from in any way? | |
91 | end | |
92 | offlinemanager.deleteAll(node, host); | |
93 | end | |
94 | end | |
95 | origin.priority = 0; | |
96 | if stanza.attr.type == "unavailable" then | |
97 | origin.presence = nil; | |
98 | if origin.directed then | |
99 | local old_from = stanza.attr.from; | |
100 | stanza.attr.from = origin.full_jid; | |
101 | for jid in pairs(origin.directed) do | |
102 | stanza.attr.to = jid; | |
103 | core_route_stanza(origin, stanza); | |
104 | end | |
105 | stanza.attr.from = old_from; | |
106 | origin.directed = nil; | |
107 | end | |
108 | else | |
109 | origin.presence = stanza; | |
110 | local priority = stanza:child_with_name("priority"); | |
111 | if priority and #priority > 0 then | |
112 | priority = t_concat(priority); | |
113 | if s_find(priority, "^[+-]?[0-9]+$") then | |
114 | priority = tonumber(priority); | |
115 | if priority < -128 then priority = -128 end | |
116 | if priority > 127 then priority = 127 end | |
117 | origin.priority = priority; | |
118 | end | |
119 | end | |
120 | end | |
121 | stanza.attr.to = nil; -- reset it | |
122 | else | |
123 | log("error", "presence recieved from client with no roster"); | |
124 | end | |
125 | end | |
126 | ||
127 | function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza) | |
128 | local h = hosts[host]; | |
129 | local count = 0; | |
130 | if h and h.type == "local" then | |
131 | local u = h.sessions[user]; | |
132 | if u then | |
133 | for k, session in pairs(u.sessions) do | |
134 | local pres = session.presence; | |
135 | if pres then | |
136 | pres.attr.to = jid; | |
137 | pres.attr.from = session.full_jid; | |
138 | core_route_stanza(session, pres); | |
139 | pres.attr.to = nil; | |
140 | pres.attr.from = nil; | |
141 | count = count + 1; | |
142 | end | |
143 | end | |
144 | end | |
145 | end | |
146 | log("info", "broadcasted presence of "..count.." resources from "..user.."@"..host.." to "..jid); | |
147 | return count; | |
148 | end | |
149 | ||
150 | function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza) | |
151 | local node, host = jid_split(from_bare); | |
152 | local st_from, st_to = stanza.attr.from, stanza.attr.to; | |
153 | stanza.attr.from, stanza.attr.to = from_bare, to_bare; | |
154 | log("debug", "outbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare); | |
155 | if stanza.attr.type == "subscribe" then | |
156 | -- 1. route stanza | |
157 | -- 2. roster push (subscription = none, ask = subscribe) | |
158 | if rostermanager.set_contact_pending_out(node, host, to_bare) then | |
159 | rostermanager.roster_push(node, host, to_bare); | |
160 | end -- else file error | |
161 | core_route_stanza(origin, stanza); | |
162 | elseif stanza.attr.type == "unsubscribe" then | |
163 | -- 1. route stanza | |
164 | -- 2. roster push (subscription = none or from) | |
165 | if rostermanager.unsubscribe(node, host, to_bare) then | |
166 | rostermanager.roster_push(node, host, to_bare); -- FIXME do roster push when roster has in fact not changed? | |
167 | end -- else file error | |
168 | core_route_stanza(origin, stanza); | |
169 | elseif stanza.attr.type == "subscribed" then | |
170 | -- 1. route stanza | |
171 | -- 2. roster_push () | |
172 | -- 3. send_presence_of_available_resources | |
173 | if rostermanager.subscribed(node, host, to_bare) then | |
174 | rostermanager.roster_push(node, host, to_bare); | |
175 | end | |
176 | core_route_stanza(origin, stanza); | |
177 | send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza); | |
178 | elseif stanza.attr.type == "unsubscribed" then | |
179 | -- 1. route stanza | |
180 | -- 2. roster push (subscription = none or to) | |
181 | if rostermanager.unsubscribed(node, host, to_bare) then | |
182 | rostermanager.roster_push(node, host, to_bare); | |
183 | end | |
184 | core_route_stanza(origin, stanza); | |
185 | end | |
186 | stanza.attr.from, stanza.attr.to = st_from, st_to; | |
187 | end | |
188 | ||
189 | function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza) | |
190 | local node, host = jid_split(to_bare); | |
191 | local st_from, st_to = stanza.attr.from, stanza.attr.to; | |
192 | stanza.attr.from, stanza.attr.to = from_bare, to_bare; | |
193 | log("debug", "inbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare); | |
194 | if stanza.attr.type == "probe" then | |
195 | if rostermanager.is_contact_subscribed(node, host, from_bare) then | |
196 | if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then | |
197 | -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too) | |
198 | end | |
199 | else | |
200 | core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="unsubscribed"})); | |
201 | end | |
202 | elseif stanza.attr.type == "subscribe" then | |
203 | if rostermanager.is_contact_subscribed(node, host, from_bare) then | |
204 | core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed | |
205 | -- Sending presence is not clearly stated in the RFC, but it seems appropriate | |
206 | if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then | |
207 | -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too) | |
208 | end | |
209 | else | |
210 | if not rostermanager.is_contact_pending_in(node, host, from_bare) then | |
211 | if rostermanager.set_contact_pending_in(node, host, from_bare) then | |
212 | sessionmanager.send_to_available_resources(node, host, stanza); | |
213 | end -- TODO else return error, unable to save | |
214 | end | |
215 | end | |
216 | elseif stanza.attr.type == "unsubscribe" then | |
217 | if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then | |
218 | rostermanager.roster_push(node, host, from_bare); | |
219 | end | |
220 | elseif stanza.attr.type == "subscribed" then | |
221 | if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then | |
222 | rostermanager.roster_push(node, host, from_bare); | |
223 | end | |
224 | elseif stanza.attr.type == "unsubscribed" then | |
225 | if rostermanager.process_inbound_subscription_cancellation(node, host, from_bare) then | |
226 | rostermanager.roster_push(node, host, from_bare); | |
227 | end | |
228 | end -- discard any other type | |
229 | stanza.attr.from, stanza.attr.to = st_from, st_to; | |
230 | end | |
231 | ||
232 | local function presence_handler(data) | |
233 | local origin, stanza = data.origin, data.stanza; | |
234 | local to = stanza.attr.to; | |
235 | local node, host = jid_split(to); | |
236 | local to_bare = jid_bare(to); | |
237 | local from_bare = jid_bare(stanza.attr.from); | |
238 | if origin.type == "c2s" then | |
239 | if to ~= nil and not(origin.roster[to_bare] and (origin.roster[to_bare].subscription == "both" or origin.roster[to_bare].subscription == "from")) then -- directed presence | |
240 | origin.directed = origin.directed or {}; | |
241 | origin.directed[to] = true; | |
242 | end | |
1019
8d750336e517
mod_presence: Fix incorrect internal routing for probes and subscriptions
Waqas Hussain <waqas20@gmail.com>
parents:
1002
diff
changeset
|
243 | if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then |
1000 | 244 | handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
245 | elseif not to then | |
1002
beb039827c9f
Stopped using presencemanager in stanza_router
Waqas Hussain <waqas20@gmail.com>
parents:
1000
diff
changeset
|
246 | handle_normal_presence(origin, stanza, core_route_stanza); |
1000 | 247 | else |
248 | core_route_stanza(origin, stanza); | |
249 | end | |
250 | elseif (origin.type == "s2sin" or origin.type == "component") and hosts[host] then | |
1019
8d750336e517
mod_presence: Fix incorrect internal routing for probes and subscriptions
Waqas Hussain <waqas20@gmail.com>
parents:
1002
diff
changeset
|
251 | if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then |
1000 | 252 | handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza); |
253 | else | |
254 | core_route_stanza(origin, stanza); | |
255 | end | |
256 | end | |
257 | end | |
258 | ||
259 | local add_handler = require "core.eventmanager2".add_handler; | |
260 | local remove_handler = require "core.eventmanager2".remove_handler; | |
261 | ||
262 | add_handler(module:get_host().."/presence", presence_handler); | |
263 | module.unload = function() | |
264 | remove_handler(module:get_host().."/presence", presence_handler); | |
265 | end |