prosody
32d4a73901e2
plugins/mod_presence.lua

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plugins/mod_presence.lua @ 3969:32d4a73901e2

mod_presence, mod_offline: Merge message/offline/delete with message/offline/broadcast.
author Robert Hoelz <rob@hoelz.ro>
date Thu, 09 Dec 2010 12:28:05 -0600
parent 3968:048af3ee5899
child 4139:eef75a0c85e3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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4 --
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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9 local log = module._log;
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10
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11 local require = require;
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12 local pairs, ipairs = pairs, ipairs;
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13 local t_concat, t_insert = table.concat, table.insert;
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14 local s_find = string.find;
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15 local tonumber = tonumber;
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16
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17 local st = require "util.stanza";
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18 local jid_split = require "util.jid".split;
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19 local jid_bare = require "util.jid".bare;
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20 local hosts = hosts;
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21 local NULL = {};
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22
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23 local rostermanager = require "core.rostermanager";
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24 local sessionmanager = require "core.sessionmanager";
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25
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26 local function select_top_resources(user)
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27 local priority = 0;
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28 local recipients = {};
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29 for _, session in pairs(user.sessions) do -- find resource with greatest priority
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30 if session.presence then
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31 -- TODO check active privacy list for session
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32 local p = session.priority;
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33 if p > priority then
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34 priority = p;
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35 recipients = {session};
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36 elseif p == priority then
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37 t_insert(recipients, session);
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38 end
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39 end
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40 end
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41 return recipients;
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42 end
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43 local function recalc_resource_map(user)
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44 if user then
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45 user.top_resources = select_top_resources(user);
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46 if #user.top_resources == 0 then user.top_resources = nil; end
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47 end
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48 end
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49
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50 local ignore_presence_priority = module:get_option("ignore_presence_priority");
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51
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52 function handle_normal_presence(origin, stanza)
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53 if ignore_presence_priority then
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54 local priority = stanza:child_with_name("priority");
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55 if priority and priority[1] ~= "0" then
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56 for i=#priority.tags,1,-1 do priority.tags[i] = nil; end
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57 for i=#priority,1,-1 do priority[i] = nil; end
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58 priority[1] = "0";
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59 end
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60 end
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61 local priority = stanza:child_with_name("priority");
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62 if priority and #priority > 0 then
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63 priority = t_concat(priority);
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64 if s_find(priority, "^[+-]?[0-9]+$") then
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65 priority = tonumber(priority);
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66 if priority < -128 then priority = -128 end
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67 if priority > 127 then priority = 127 end
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68 else priority = 0; end
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69 else priority = 0; end
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70 if full_sessions[origin.full_jid] then -- if user is still connected
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71 origin.send(stanza); -- reflect their presence back to them
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72 end
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73 local roster = origin.roster;
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74 local node, host = origin.username, origin.host;
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75 local user = bare_sessions[node.."@"..host];
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76 for _, res in pairs(user and user.sessions or NULL) do -- broadcast to all resources
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77 if res ~= origin and res.presence then -- to resource
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78 stanza.attr.to = res.full_jid;
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79 core_post_stanza(origin, stanza, true);
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80 end
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81 end
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82 for jid, item in pairs(roster) do -- broadcast to all interested contacts
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83 if item.subscription == "both" or item.subscription == "from" then
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84 stanza.attr.to = jid;
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85 core_post_stanza(origin, stanza, true);
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86 end
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87 end
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88 if stanza.attr.type == nil and not origin.presence then -- initial presence
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89 origin.presence = stanza; -- FIXME repeated later
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90 local probe = st.presence({from = origin.full_jid, type = "probe"});
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91 for jid, item in pairs(roster) do -- probe all contacts we are subscribed to
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92 if item.subscription == "both" or item.subscription == "to" then
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93 probe.attr.to = jid;
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94 core_post_stanza(origin, probe, true);
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95 end
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96 end
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97 for _, res in pairs(user and user.sessions or NULL) do -- broadcast from all available resources
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98 if res ~= origin and res.presence then
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99 res.presence.attr.to = origin.full_jid;
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100 core_post_stanza(res, res.presence, true);
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101 res.presence.attr.to = nil;
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102 end
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103 end
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104 if roster.pending then -- resend incoming subscription requests
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105 for jid in pairs(roster.pending) do
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106 origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original?
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107 end
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108 end
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109 local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host});
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110 for jid, item in pairs(roster) do -- resend outgoing subscription requests
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111 if item.ask then
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112 request.attr.to = jid;
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113 core_post_stanza(origin, request, true);
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114 end
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115 end
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116
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117 if priority >= 0 then
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118 local event = { origin = origin }
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119 module:fire_event('message/offline/broadcast', event);
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120 end
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121 end
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122 if stanza.attr.type == "unavailable" then
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123 origin.presence = nil;
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124 if origin.priority then
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125 origin.priority = nil;
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126 recalc_resource_map(user);
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127 end
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128 if origin.directed then
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129 for jid in pairs(origin.directed) do
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130 stanza.attr.to = jid;
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5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
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parents: 3196
diff changeset
131 core_post_stanza(origin, stanza, true);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
132 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
133 origin.directed = nil;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
134 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
135 else
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
136 origin.presence = stanza;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
137 if origin.priority ~= priority then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
138 origin.priority = priority;
2593
06995c8bfe80 mod_presence: Don't depend on user being online when calculating top resources.
Waqas Hussain <waqas20@gmail.com>
parents: 2592
diff changeset
139 recalc_resource_map(user);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
140 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
141 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
142 stanza.attr.to = nil; -- reset it
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
143 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
144
3153
fd435cab928f mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3112
diff changeset
145 function send_presence_of_available_resources(user, host, jid, recipient_session, stanza)
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
146 local h = hosts[host];
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
147 local count = 0;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
148 if h and h.type == "local" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
149 local u = h.sessions[user];
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
150 if u then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
151 for k, session in pairs(u.sessions) do
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
152 local pres = session.presence;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
153 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).
Waqas Hussain <waqas20@gmail.com>
parents: 1731
diff changeset
154 if stanza then pres = stanza; pres.attr.from = session.full_jid; end
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
155 pres.attr.to = jid;
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
156 core_post_stanza(session, pres, true);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
157 pres.attr.to = nil;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
158 count = count + 1;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
159 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
160 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
161 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
162 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
163 log("debug", "broadcasted presence of "..count.." resources from "..user.."@"..host.." to "..jid);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
164 return count;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
165 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
166
3153
fd435cab928f mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3112
diff changeset
167 function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare)
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
168 local node, host = jid_split(from_bare);
3235
651139e831b1 mod_presence: Fixed a traceback on outgoing subscriptions from offline users.
Waqas Hussain <waqas20@gmail.com>
parents: 3215
diff changeset
169 if to_bare == from_bare then return; end -- No self contacts
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
170 local st_from, st_to = stanza.attr.from, stanza.attr.to;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
171 stanza.attr.from, stanza.attr.to = from_bare, to_bare;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
172 log("debug", "outbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare);
3182
a19dbb6446a0 mod_presence: Don't stop pre-event for outgoing probes.
Waqas Hussain <waqas20@gmail.com>
parents: 3181
diff changeset
173 if stanza.attr.type == "probe" then
a19dbb6446a0 mod_presence: Don't stop pre-event for outgoing probes.
Waqas Hussain <waqas20@gmail.com>
parents: 3181
diff changeset
174 stanza.attr.from, stanza.attr.to = st_from, st_to;
a19dbb6446a0 mod_presence: Don't stop pre-event for outgoing probes.
Waqas Hussain <waqas20@gmail.com>
parents: 3181
diff changeset
175 return;
a19dbb6446a0 mod_presence: Don't stop pre-event for outgoing probes.
Waqas Hussain <waqas20@gmail.com>
parents: 3181
diff changeset
176 elseif stanza.attr.type == "subscribe" then
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
177 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
178 -- 2. roster push (subscription = none, ask = subscribe)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
179 if rostermanager.set_contact_pending_out(node, host, to_bare) then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
180 rostermanager.roster_push(node, host, to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
181 end -- else file error
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
182 core_post_stanza(origin, stanza);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
183 elseif stanza.attr.type == "unsubscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
184 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
185 -- 2. roster push (subscription = none or from)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
186 if rostermanager.unsubscribe(node, host, to_bare) then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
187 rostermanager.roster_push(node, host, to_bare); -- FIXME do roster push when roster has in fact not changed?
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
188 end -- else file error
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
189 core_post_stanza(origin, stanza);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
190 elseif stanza.attr.type == "subscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
191 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
192 -- 2. roster_push ()
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
193 -- 3. send_presence_of_available_resources
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
194 if rostermanager.subscribed(node, host, to_bare) then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
195 rostermanager.roster_push(node, host, to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
196 end
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
197 core_post_stanza(origin, stanza);
3153
fd435cab928f mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3112
diff changeset
198 send_presence_of_available_resources(node, host, to_bare, origin);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
199 elseif stanza.attr.type == "unsubscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
200 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
201 -- 2. roster push (subscription = none or to)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
202 if rostermanager.unsubscribed(node, host, to_bare) then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
203 rostermanager.roster_push(node, host, to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
204 end
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
205 core_post_stanza(origin, stanza);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
206 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
207 stanza.attr.from, stanza.attr.to = st_from, st_to;
3181
1f73b3a960cf mod_presence: Small refactoring.
Waqas Hussain <waqas20@gmail.com>
parents: 3156
diff changeset
208 return true;
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
209 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
210
3153
fd435cab928f mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3112
diff changeset
211 function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare)
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
212 local node, host = jid_split(to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
213 local st_from, st_to = stanza.attr.from, stanza.attr.to;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
214 stanza.attr.from, stanza.attr.to = from_bare, to_bare;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
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
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
217 if stanza.attr.type == "probe" then
3112
c311fdffccce mod_presence: Don't send 'unsubscribed' in response to probes when roster loading fails.
Waqas Hussain <waqas20@gmail.com>
parents: 3109
diff changeset
218 local result, err = rostermanager.is_contact_subscribed(node, host, from_bare);
c311fdffccce mod_presence: Don't send 'unsubscribed' in response to probes when roster loading fails.
Waqas Hussain <waqas20@gmail.com>
parents: 3109
diff changeset
219 if result then
3153
fd435cab928f mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3112
diff changeset
220 if 0 == send_presence_of_available_resources(node, host, st_from, origin) then
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
221 core_post_stanza(hosts[host], st.presence({from=to_bare, to=st_from, type="unavailable"}), true); -- TODO send last activity
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
222 end
3112
c311fdffccce mod_presence: Don't send 'unsubscribed' in response to probes when roster loading fails.
Waqas Hussain <waqas20@gmail.com>
parents: 3109
diff changeset
223 elseif not err then
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
224 core_post_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unsubscribed"}), true);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
225 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
226 elseif stanza.attr.type == "subscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
227 if rostermanager.is_contact_subscribed(node, host, from_bare) then
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
228 core_post_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="subscribed"}), true); -- already subscribed
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
229 -- Sending presence is not clearly stated in the RFC, but it seems appropriate
3153
fd435cab928f mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3112
diff changeset
230 if 0 == send_presence_of_available_resources(node, host, from_bare, origin) then
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
231 core_post_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"}), true); -- TODO send last activity
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
232 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
233 else
3198
5a4e766a3577 mod_presence: Enable firing of pre-events for all outbound stanzas, and switching completely to core_post_stanza.
Waqas Hussain <waqas20@gmail.com>
parents: 3196
diff changeset
234 core_post_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"}), true); -- acknowledging receipt
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
235 if not rostermanager.is_contact_pending_in(node, host, from_bare) then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
236 if rostermanager.set_contact_pending_in(node, host, from_bare) then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
237 sessionmanager.send_to_available_resources(node, host, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
238 end -- TODO else return error, unable to save
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
239 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
240 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
241 elseif stanza.attr.type == "unsubscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
242 if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then
2143
13ac68e8760b mod_presence: Route incoming presence subscription stanzas (types unsubscribe, subscribed and unsubscribed) to the user before roster pushes.
Waqas Hussain <waqas20@gmail.com>
parents: 2142
diff changeset
243 sessionmanager.send_to_interested_resources(node, host, stanza);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
244 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
245 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
246 elseif stanza.attr.type == "subscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
247 if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then
2143
13ac68e8760b mod_presence: Route incoming presence subscription stanzas (types unsubscribe, subscribed and unsubscribed) to the user before roster pushes.
Waqas Hussain <waqas20@gmail.com>
parents: 2142
diff changeset
248 sessionmanager.send_to_interested_resources(node, host, stanza);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
249 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
250 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
251 elseif stanza.attr.type == "unsubscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
252 if rostermanager.process_inbound_subscription_cancellation(node, host, from_bare) then
2143
13ac68e8760b mod_presence: Route incoming presence subscription stanzas (types unsubscribe, subscribed and unsubscribed) to the user before roster pushes.
Waqas Hussain <waqas20@gmail.com>
parents: 2142
diff changeset
253 sessionmanager.send_to_interested_resources(node, host, stanza);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
254 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
255 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
256 end -- discard any other type
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
257 stanza.attr.from, stanza.attr.to = st_from, st_to;
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258 return true;
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259 end
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260
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261 local outbound_presence_handler = function(data)
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262 -- outbound presence recieved
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263 local origin, stanza = data.origin, data.stanza;
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264
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265 local to = stanza.attr.to;
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266 if to then
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267 local t = stanza.attr.type;
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268 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes
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269 return handle_outbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to));
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270 end
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271
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272 local to_bare = jid_bare(to);
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273 local roster = origin.roster;
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274 if roster and not(roster[to_bare] and (roster[to_bare].subscription == "both" or roster[to_bare].subscription == "from")) then -- directed presence
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275 origin.directed = origin.directed or {};
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276 if t then -- removing from directed presence list on sending an error or unavailable
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277 origin.directed[to] = nil; -- FIXME does it make more sense to add to_bare rather than to?
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278 else
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279 origin.directed[to] = true; -- FIXME does it make more sense to add to_bare rather than to?
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280 end
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281 end
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282 end -- TODO maybe handle normal presence here, instead of letting it pass to incoming handlers?
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283 end
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284
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285 module:hook("pre-presence/full", outbound_presence_handler);
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286 module:hook("pre-presence/bare", outbound_presence_handler);
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287 module:hook("pre-presence/host", outbound_presence_handler);
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288
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289 module:hook("presence/bare", function(data)
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290 -- inbound presence to bare JID recieved
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291 local origin, stanza = data.origin, data.stanza;
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292
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293 local to = stanza.attr.to;
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294 local t = stanza.attr.type;
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295 if to then
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296 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to bare JID
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297 return handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to));
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298 end
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299
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300 local user = bare_sessions[to];
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301 if user then
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302 for _, session in pairs(user.sessions) do
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303 if session.presence then -- only send to available resources
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304 session.send(stanza);
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305 end
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306 end
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307 end -- no resources not online, discard
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308 elseif not t or t == "unavailable" then
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309 handle_normal_presence(origin, stanza);
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310 end
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311 return true;
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312 end);
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313 module:hook("presence/full", function(data)
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314 -- inbound presence to full JID recieved
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315 local origin, stanza = data.origin, data.stanza;
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316
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317 local t = stanza.attr.type;
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318 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to full JID
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319 return handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to));
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320 end
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321
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322 local session = full_sessions[stanza.attr.to];
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323 if session then
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324 -- TODO fire post processing event
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325 session.send(stanza);
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326 end -- resource not online, discard
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327 return true;
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328 end);
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329 module:hook("presence/host", function(data)
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330 -- inbound presence to the host
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331 local origin, stanza = data.origin, data.stanza;
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332
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333 local from_bare = jid_bare(stanza.attr.from);
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334 local t = stanza.attr.type;
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335 if t == "probe" then
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336 core_post_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id }));
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337 elseif t == "subscribe" then
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338 core_post_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id, type = "subscribed" }));
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339 core_post_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id }));
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340 end
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341 return true;
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342 end);
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343
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344 module:hook("resource-unbind", function(event)
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345 local session, err = event.session, event.error;
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346 -- Send unavailable presence
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347 if session.presence then
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348 local pres = st.presence{ type = "unavailable" };
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349 if not(err) or err == "closed" then err = "connection closed"; end
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350 pres:tag("status"):text("Disconnected: "..err):up();
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351 session:dispatch_stanza(pres);
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352 elseif session.directed then
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353 local pres = st.presence{ type = "unavailable", from = session.full_jid };
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354 if not(err) or err == "closed" then err = "connection closed"; end
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355 pres:tag("status"):text("Disconnected: "..err):up();
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356 for jid in pairs(session.directed) do
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357 pres.attr.to = jid;
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358 core_post_stanza(session, pres, true);
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359 end
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360 session.directed = nil;
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361 end
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362 end);