prosody
697ff4f98033
plugins/mod_presence.lua

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plugins/mod_presence.lua @ 2531:697ff4f98033

mod_presence: Added handler for presence subscriptions and probes to local hosts.
author Waqas Hussain <waqas20@gmail.com>
date Fri, 29 Jan 2010 21:06:51 +0500
parent 2525:e385511b3a54
child 2532:b1b1b4a7db26
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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841d61be198f Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 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
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22 local rostermanager = require "core.rostermanager";
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23 local sessionmanager = require "core.sessionmanager";
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24 local offlinemanager = require "core.offlinemanager";
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25
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26 local _core_route_stanza = core_route_stanza;
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27 local core_route_stanza;
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28 function core_route_stanza(origin, stanza)
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29 if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then
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30 local node, host = jid_split(stanza.attr.to);
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31 host = hosts[host];
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32 if node and host and host.type == "local" then
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33 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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34 return;
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35 end
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36 end
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37 _core_route_stanza(origin, stanza);
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38 end
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39
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40 local function select_top_resources(user)
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41 local priority = 0;
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42 local recipients = {};
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43 for _, session in pairs(user.sessions) do -- find resource with greatest priority
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44 if session.presence then
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45 -- TODO check active privacy list for session
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46 local p = session.priority;
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47 if p > priority then
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48 priority = p;
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49 recipients = {session};
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50 elseif p == priority then
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51 t_insert(recipients, session);
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52 end
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53 end
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54 end
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55 return recipients;
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56 end
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57 local function recalc_resource_map(origin)
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58 local user = hosts[origin.host].sessions[origin.username];
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59 user.top_resources = select_top_resources(user);
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60 if #user.top_resources == 0 then user.top_resources = nil; end
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61 end
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62
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63 function handle_normal_presence(origin, stanza, core_route_stanza)
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64 local roster = origin.roster;
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65 local node, host = origin.username, origin.host;
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66 for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast to all resources
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67 if res ~= origin and res.presence then -- to resource
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68 stanza.attr.to = res.full_jid;
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69 core_route_stanza(origin, stanza);
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70 end
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71 end
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72 for jid, item in pairs(roster) do -- broadcast to all interested contacts
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73 if item.subscription == "both" or item.subscription == "from" then
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74 stanza.attr.to = jid;
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75 core_route_stanza(origin, stanza);
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76 end
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77 end
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78 if stanza.attr.type == nil and not origin.presence then -- initial presence
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79 local probe = st.presence({from = origin.full_jid, type = "probe"});
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80 for jid, item in pairs(roster) do -- probe all contacts we are subscribed to
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81 if item.subscription == "both" or item.subscription == "to" then
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82 probe.attr.to = jid;
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83 core_route_stanza(origin, probe);
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84 end
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85 end
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86 for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast from all available resources
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87 if res ~= origin and res.presence then
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88 res.presence.attr.to = origin.full_jid;
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89 core_route_stanza(res, res.presence);
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90 res.presence.attr.to = nil;
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91 end
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92 end
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93 if roster.pending then -- resend incoming subscription requests
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94 for jid in pairs(roster.pending) do
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95 origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original?
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96 end
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97 end
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98 local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host});
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99 for jid, item in pairs(roster) do -- resend outgoing subscription requests
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100 if item.ask then
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101 request.attr.to = jid;
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102 core_route_stanza(origin, request);
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103 end
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104 end
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105 local offline = offlinemanager.load(node, host);
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106 if offline then
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107 for _, msg in ipairs(offline) do
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108 origin.send(msg); -- FIXME do we need to modify to/from in any way?
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109 end
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110 offlinemanager.deleteAll(node, host);
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111 end
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112 end
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113 if stanza.attr.type == "unavailable" then
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114 origin.presence = nil;
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115 if origin.priority then
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116 origin.priority = nil;
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117 recalc_resource_map(origin);
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118 end
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119 if origin.directed then
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120 for jid in pairs(origin.directed) do
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121 stanza.attr.to = jid;
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122 core_route_stanza(origin, stanza);
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123 end
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124 origin.directed = nil;
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125 end
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126 else
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127 origin.presence = stanza;
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128 local priority = stanza:child_with_name("priority");
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129 if priority and #priority > 0 then
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130 priority = t_concat(priority);
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131 if s_find(priority, "^[+-]?[0-9]+$") then
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132 priority = tonumber(priority);
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133 if priority < -128 then priority = -128 end
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134 if priority > 127 then priority = 127 end
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135 else priority = 0; end
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136 else priority = 0; end
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137 if origin.priority ~= priority then
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138 origin.priority = priority;
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139 recalc_resource_map(origin);
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140 end
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141 end
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142 stanza.attr.to = nil; -- reset it
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143 end
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144
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145 function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza, stanza)
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146 local h = hosts[host];
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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;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
156 core_route_stanza(session, pres);
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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
167 function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)
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);
1641
af962e6ae781 Fixed: Outbound subscription requests silently dropped (regression in hg:7f17d0d00fbb)
Waqas Hussain <waqas20@gmail.com>
parents: 1626
diff changeset
169 if to_bare == origin.username.."@"..origin.host 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);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
173 if stanza.attr.type == "subscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
174 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
175 -- 2. roster push (subscription = none, ask = subscribe)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
176 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
177 rostermanager.roster_push(node, host, to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
178 end -- else file error
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
179 core_route_stanza(origin, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
180 elseif stanza.attr.type == "unsubscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
181 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
182 -- 2. roster push (subscription = none or from)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
183 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
184 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
185 end -- else file error
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
186 core_route_stanza(origin, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
187 elseif stanza.attr.type == "subscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
188 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
189 -- 2. roster_push ()
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
190 -- 3. send_presence_of_available_resources
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
191 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
192 rostermanager.roster_push(node, host, to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
193 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
194 core_route_stanza(origin, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
195 send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
196 elseif stanza.attr.type == "unsubscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
197 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
198 -- 2. roster push (subscription = none or to)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
199 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
200 rostermanager.roster_push(node, host, to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
201 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
202 core_route_stanza(origin, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
203 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
204 stanza.attr.from, stanza.attr.to = st_from, st_to;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
205 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
206
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
207 function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
208 local node, host = jid_split(to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
209 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
210 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
211 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
212
b11bac42d56f mod_presence: Ignore presence sent to host and invalid JIDs, fixes traceback (thanks Deepspawn)
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
213 if not node then
b11bac42d56f mod_presence: Ignore presence sent to host and invalid JIDs, fixes traceback (thanks Deepspawn)
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
214 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)
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
215 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
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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
218 if rostermanager.is_contact_subscribed(node, host, from_bare) then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
219 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
220 core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"})); -- TODO send last activity
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
221 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
222 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
223 core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unsubscribed"}));
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
224 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
225 elseif stanza.attr.type == "subscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
226 if rostermanager.is_contact_subscribed(node, host, from_bare) then
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="subscribed"})); -- already subscribed
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
228 -- Sending presence is not clearly stated in the RFC, but it seems appropriate
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
229 if 0 == send_presence_of_available_resources(node, host, from_bare, 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
230 core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"})); -- TODO send last activity
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
231 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
232 else
2229
3b38ec879076 mod_presence: Use the local host as origin for subscription request acks.
Waqas Hussain <waqas20@gmail.com>
parents: 2228
diff changeset
233 core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="unavailable"})); -- acknowledging receipt
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
234 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
235 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
236 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
237 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
238 end
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 elseif stanza.attr.type == "unsubscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
241 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
242 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
243 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
244 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
245 elseif stanza.attr.type == "subscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
246 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
247 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
248 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
249 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
250 elseif stanza.attr.type == "unsubscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
251 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
252 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
253 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
254 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
255 end -- discard any other type
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
256 stanza.attr.from, stanza.attr.to = st_from, st_to;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
257 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
258
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
259 local outbound_presence_handler = function(data)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
260 -- outbound presence recieved
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
261 local origin, stanza = data.origin, data.stanza;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
262
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
263 local to = stanza.attr.to;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
264 if to then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
265 local t = stanza.attr.type;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
266 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
267 handle_outbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to), core_route_stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
268 return true;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
269 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
270
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
271 local to_bare = jid_bare(to);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
272 if not(origin.roster[to_bare] and (origin.roster[to_bare].subscription == "both" or origin.roster[to_bare].subscription == "from")) then -- directed presence
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
273 origin.directed = origin.directed or {};
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
274 if t then -- removing from directed presence list on sending an error or unavailable
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
275 origin.directed[to] = nil; -- FIXME does it make more sense to add to_bare rather than to?
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
276 else
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
277 origin.directed[to] = true; -- FIXME does it make more sense to add to_bare rather than to?
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
278 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
279 end
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280 end -- TODO maybe handle normal presence here, instead of letting it pass to incoming handlers?
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281 end
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282
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283 module:hook("pre-presence/full", outbound_presence_handler);
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284 module:hook("pre-presence/bare", outbound_presence_handler);
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285 module:hook("pre-presence/host", outbound_presence_handler);
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286
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287 module:hook("presence/bare", function(data)
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288 -- inbound presence to bare JID recieved
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289 local origin, stanza = data.origin, data.stanza;
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290
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291 local to = stanza.attr.to;
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292 local t = stanza.attr.type;
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293 if to then
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294 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to bare JID
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295 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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296 return true;
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297 end
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298
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299 local user = bare_sessions[to];
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300 if user then
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301 for _, session in pairs(user.sessions) do
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302 if session.presence then -- only send to available resources
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303 session.send(stanza);
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304 end
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305 end
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306 end -- no resources not online, discard
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307 elseif not t or t == "unavailable" then
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308 handle_normal_presence(origin, stanza, core_route_stanza);
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309 end
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310 return true;
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311 end);
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312 module:hook("presence/full", function(data)
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313 -- inbound presence to full JID recieved
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314 local origin, stanza = data.origin, data.stanza;
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315
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316 local t = stanza.attr.type;
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317 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to full JID
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318 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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319 return true;
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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_route_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_route_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id, type = "subscribed" }));
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339 core_route_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_route_stanza(session, pres);
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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);