prosody
3af266f7037f
plugins/mod_presence.lua

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plugins/mod_presence.lua @ 2592:3af266f7037f

mod_presence: Don't depend on sessions array existing for a user when handling outgoing presence broadcast.
author Waqas Hussain <waqas20@gmail.com>
date Fri, 12 Feb 2010 00:54:14 +0500
parent 2532:b1b1b4a7db26
child 2593:06995c8bfe80
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 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 local offlinemanager = require "core.offlinemanager";
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26
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27 local _core_route_stanza = core_route_stanza;
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28 local core_route_stanza;
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29 function core_route_stanza(origin, stanza)
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30 if stanza.attr.type ~= nil and stanza.attr.type ~= "unavailable" and stanza.attr.type ~= "error" then
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31 local node, host = jid_split(stanza.attr.to);
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32 host = hosts[host];
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33 if node and host and host.type == "local" then
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34 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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35 return;
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36 end
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37 end
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38 _core_route_stanza(origin, stanza);
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39 end
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40
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41 local function select_top_resources(user)
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42 local priority = 0;
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43 local recipients = {};
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44 for _, session in pairs(user.sessions) do -- find resource with greatest priority
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45 if session.presence then
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46 -- TODO check active privacy list for session
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47 local p = session.priority;
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48 if p > priority then
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49 priority = p;
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50 recipients = {session};
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51 elseif p == priority then
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52 t_insert(recipients, session);
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53 end
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54 end
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55 end
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56 return recipients;
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57 end
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58 local function recalc_resource_map(origin)
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59 local user = hosts[origin.host].sessions[origin.username];
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60 user.top_resources = select_top_resources(user);
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61 if #user.top_resources == 0 then user.top_resources = nil; end
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62 end
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63
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64 function handle_normal_presence(origin, stanza, core_route_stanza)
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65 local roster = origin.roster;
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66 local node, host = origin.username, origin.host;
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67 local user = bare_sessions[node.."@"..host];
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68 for _, res in pairs(user and user.sessions or NULL) do -- broadcast to all resources
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69 if res ~= origin and res.presence then -- to resource
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70 stanza.attr.to = res.full_jid;
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71 core_route_stanza(origin, stanza);
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72 end
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73 end
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74 for jid, item in pairs(roster) do -- broadcast to all interested contacts
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75 if item.subscription == "both" or item.subscription == "from" then
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76 stanza.attr.to = jid;
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77 core_route_stanza(origin, stanza);
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78 end
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79 end
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80 if stanza.attr.type == nil and not origin.presence then -- initial presence
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81 origin.presence = stanza; -- FIXME repeated later
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82 local probe = st.presence({from = origin.full_jid, type = "probe"});
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83 for jid, item in pairs(roster) do -- probe all contacts we are subscribed to
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84 if item.subscription == "both" or item.subscription == "to" then
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85 probe.attr.to = jid;
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86 core_route_stanza(origin, probe);
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87 end
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88 end
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89 for _, res in pairs(user and user.sessions or NULL) do -- broadcast from all available resources
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90 if res ~= origin and res.presence then
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91 res.presence.attr.to = origin.full_jid;
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92 core_route_stanza(res, res.presence);
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93 res.presence.attr.to = nil;
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94 end
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95 end
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96 if roster.pending then -- resend incoming subscription requests
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97 for jid in pairs(roster.pending) do
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98 origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original?
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99 end
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100 end
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101 local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host});
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102 for jid, item in pairs(roster) do -- resend outgoing subscription requests
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103 if item.ask then
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104 request.attr.to = jid;
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105 core_route_stanza(origin, request);
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106 end
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107 end
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108 local offline = offlinemanager.load(node, host);
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109 if offline then
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110 for _, msg in ipairs(offline) do
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111 origin.send(msg); -- FIXME do we need to modify to/from in any way?
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112 end
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113 offlinemanager.deleteAll(node, host);
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114 end
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115 end
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116 if stanza.attr.type == "unavailable" then
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117 origin.presence = nil;
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118 if origin.priority then
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119 origin.priority = nil;
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120 recalc_resource_map(origin);
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121 end
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122 if origin.directed then
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123 for jid in pairs(origin.directed) do
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124 stanza.attr.to = jid;
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125 core_route_stanza(origin, stanza);
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126 end
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127 origin.directed = nil;
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128 end
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129 else
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130 origin.presence = stanza;
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131 local priority = stanza:child_with_name("priority");
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132 if priority and #priority > 0 then
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133 priority = t_concat(priority);
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134 if s_find(priority, "^[+-]?[0-9]+$") then
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135 priority = tonumber(priority);
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136 if priority < -128 then priority = -128 end
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137 if priority > 127 then priority = 127 end
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138 else priority = 0; end
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139 else priority = 0; end
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140 if origin.priority ~= priority then
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141 origin.priority = priority;
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142 recalc_resource_map(origin);
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143 end
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144 end
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145 stanza.attr.to = nil; -- reset it
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
146 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
147
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
148 function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza, stanza)
1508
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parents: 1488
diff changeset
149 local h = hosts[host];
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
150 local count = 0;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
151 if h and h.type == "local" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
152 local u = h.sessions[user];
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
153 if u then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
154 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
155 local pres = session.presence;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
156 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
157 if stanza then pres = stanza; pres.attr.from = session.full_jid; end
1508
762d758e116a mod_presence: Convert from Windows line endings
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parents: 1488
diff changeset
158 pres.attr.to = jid;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
159 core_route_stanza(session, pres);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
160 pres.attr.to = nil;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
161 count = count + 1;
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 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
164 end
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 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
167 return count;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
168 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
169
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
170 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
171 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
172 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
173 local st_from, st_to = stanza.attr.from, stanza.attr.to;
762d758e116a mod_presence: Convert from Windows line endings
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parents: 1488
diff changeset
174 stanza.attr.from, stanza.attr.to = from_bare, to_bare;
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parents: 1488
diff changeset
175 log("debug", "outbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare);
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
176 if stanza.attr.type == "subscribe" then
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
177 -- 1. route stanza
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
178 -- 2. roster push (subscription = none, ask = subscribe)
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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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
182 core_route_stanza(origin, stanza);
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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
189 core_route_stanza(origin, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
190 elseif stanza.attr.type == "subscribed" then
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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 ()
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
193 -- 3. send_presence_of_available_resources
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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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
197 core_route_stanza(origin, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
198 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
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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
205 core_route_stanza(origin, stanza);
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;
762d758e116a mod_presence: Convert from Windows line endings
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parents: 1488
diff changeset
208 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
209
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
210 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
211 local node, host = jid_split(to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
212 local st_from, st_to = stanza.attr.from, stanza.attr.to;
762d758e116a mod_presence: Convert from Windows line endings
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parents: 1488
diff changeset
213 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
214 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
215
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 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
217 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
218 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
219
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
220 if stanza.attr.type == "probe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
221 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
222 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
223 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
224 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
225 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
226 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
227 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
228 elseif stanza.attr.type == "subscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
229 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
230 core_route_stanza(hosts[host], st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed
1508
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
231 -- 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
232 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
233 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
234 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
235 else
2229
3b38ec879076 mod_presence: Use the local host as origin for subscription request acks.
Waqas Hussain <waqas20@gmail.com>
parents: 2228
diff changeset
236 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
237 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
238 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
239 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
240 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
241 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
242 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
243 elseif stanza.attr.type == "unsubscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
244 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
245 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
246 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
247 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
248 elseif stanza.attr.type == "subscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
249 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
250 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
251 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
252 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
253 elseif stanza.attr.type == "unsubscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
254 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
255 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
256 rostermanager.roster_push(node, host, from_bare);
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 end -- discard any other type
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
259 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
260 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
261
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
262 local outbound_presence_handler = function(data)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
263 -- outbound presence recieved
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
264 local origin, stanza = data.origin, data.stanza;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
265
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
266 local to = stanza.attr.to;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
267 if to then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
268 local t = stanza.attr.type;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
269 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
270 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
271 return true;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
272 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
273
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
274 local to_bare = jid_bare(to);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
275 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
276 origin.directed = origin.directed or {};
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
277 if t then -- removing from directed presence list on sending an error or unavailable
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278 origin.directed[to] = nil; -- FIXME does it make more sense to add to_bare rather than to?
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279 else
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280 origin.directed[to] = true; -- FIXME does it make more sense to add to_bare rather than to?
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281 end
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282 end
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283 end -- TODO maybe handle normal presence here, instead of letting it pass to incoming handlers?
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284 end
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285
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286 module:hook("pre-presence/full", outbound_presence_handler);
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287 module:hook("pre-presence/bare", outbound_presence_handler);
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288 module:hook("pre-presence/host", outbound_presence_handler);
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289
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290 module:hook("presence/bare", function(data)
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291 -- inbound presence to bare JID recieved
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292 local origin, stanza = data.origin, data.stanza;
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293
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294 local to = stanza.attr.to;
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295 local t = stanza.attr.type;
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296 if to then
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297 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to bare JID
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298 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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299 return true;
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300 end
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301
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302 local user = bare_sessions[to];
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303 if user then
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304 for _, session in pairs(user.sessions) do
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305 if session.presence then -- only send to available resources
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306 session.send(stanza);
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307 end
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308 end
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309 end -- no resources not online, discard
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310 elseif not t or t == "unavailable" then
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311 handle_normal_presence(origin, stanza, core_route_stanza);
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312 end
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313 return true;
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314 end);
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315 module:hook("presence/full", function(data)
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316 -- inbound presence to full JID recieved
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317 local origin, stanza = data.origin, data.stanza;
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318
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319 local t = stanza.attr.type;
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320 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to full JID
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321 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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322 return true;
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323 end
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324
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325 local session = full_sessions[stanza.attr.to];
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326 if session then
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327 -- TODO fire post processing event
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328 session.send(stanza);
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329 end -- resource not online, discard
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330 return true;
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331 end);
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332 module:hook("presence/host", function(data)
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333 -- inbound presence to the host
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334 local origin, stanza = data.origin, data.stanza;
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335
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336 local from_bare = jid_bare(stanza.attr.from);
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337 local t = stanza.attr.type;
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338 if t == "probe" then
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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 elseif t == "subscribe" then
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341 core_route_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id, type = "subscribed" }));
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342 core_route_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id }));
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343 end
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344 return true;
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345 end);
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346
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347 module:hook("resource-unbind", function(event)
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348 local session, err = event.session, event.error;
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349 -- Send unavailable presence
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350 if session.presence then
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351 local pres = st.presence{ type = "unavailable" };
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352 if not(err) or err == "closed" then err = "connection closed"; end
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353 pres:tag("status"):text("Disconnected: "..err):up();
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354 session:dispatch_stanza(pres);
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355 elseif session.directed then
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356 local pres = st.presence{ type = "unavailable", from = session.full_jid };
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357 if not(err) or err == "closed" then err = "connection closed"; end
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358 pres:tag("status"):text("Disconnected: "..err):up();
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359 for jid in pairs(session.directed) do
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360 pres.attr.to = jid;
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361 core_route_stanza(session, pres);
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362 end
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363 session.directed = nil;
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364 end
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365 end);