prosody
fd435cab928f
plugins/mod_presence.lua

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plugins/mod_presence.lua @ 3153:fd435cab928f

mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
author Waqas Hussain <waqas20@gmail.com>
date Thu, 03 Jun 2010 17:27:49 +0500
parent 3112:c311fdffccce
child 3156:89b64966f511
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 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));
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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(user)
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59 if user then
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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 end
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64
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65 local ignore_presence_priority = module:get_option("ignore_presence_priority");
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66
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67 function handle_normal_presence(origin, stanza)
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68 if ignore_presence_priority then
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69 local priority = stanza:child_with_name("priority");
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70 if priority and priority[1] ~= "0" then
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71 for i=#priority.tags,1,-1 do priority.tags[i] = nil; end
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72 for i=#priority,1,-1 do priority[i] = nil; end
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73 priority[1] = "0";
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74 end
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75 end
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76 if full_sessions[origin.full_jid] then -- if user is still connected
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77 origin.send(stanza); -- reflect their presence back to them
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78 end
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79 local roster = origin.roster;
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80 local node, host = origin.username, origin.host;
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81 local user = bare_sessions[node.."@"..host];
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82 for _, res in pairs(user and user.sessions or NULL) do -- broadcast to all resources
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83 if res ~= origin and res.presence then -- to resource
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84 stanza.attr.to = res.full_jid;
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85 core_route_stanza(origin, stanza);
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86 end
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87 end
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88 for jid, item in pairs(roster) do -- broadcast to all interested contacts
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89 if item.subscription == "both" or item.subscription == "from" then
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90 stanza.attr.to = jid;
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91 core_route_stanza(origin, stanza);
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92 end
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93 end
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94 if stanza.attr.type == nil and not origin.presence then -- initial presence
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95 origin.presence = stanza; -- FIXME repeated later
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96 local probe = st.presence({from = origin.full_jid, type = "probe"});
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97 for jid, item in pairs(roster) do -- probe all contacts we are subscribed to
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98 if item.subscription == "both" or item.subscription == "to" then
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99 probe.attr.to = jid;
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100 core_route_stanza(origin, probe);
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101 end
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102 end
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103 for _, res in pairs(user and user.sessions or NULL) do -- broadcast from all available resources
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104 if res ~= origin and res.presence then
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105 res.presence.attr.to = origin.full_jid;
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106 core_route_stanza(res, res.presence);
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107 res.presence.attr.to = nil;
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108 end
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109 end
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110 if roster.pending then -- resend incoming subscription requests
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111 for jid in pairs(roster.pending) do
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112 origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original?
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113 end
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114 end
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115 local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host});
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116 for jid, item in pairs(roster) do -- resend outgoing subscription requests
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117 if item.ask then
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118 request.attr.to = jid;
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119 core_route_stanza(origin, request);
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120 end
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121 end
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122 local offline = offlinemanager.load(node, host);
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123 if offline then
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124 for _, msg in ipairs(offline) do
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125 origin.send(msg); -- FIXME do we need to modify to/from in any way?
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126 end
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127 offlinemanager.deleteAll(node, host);
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128 end
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129 end
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130 if stanza.attr.type == "unavailable" then
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131 origin.presence = nil;
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132 if origin.priority then
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133 origin.priority = nil;
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134 recalc_resource_map(user);
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135 end
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
136 if origin.directed then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
137 for jid in pairs(origin.directed) do
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
138 stanza.attr.to = jid;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
139 core_route_stanza(origin, stanza);
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 origin.directed = nil;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
142 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
143 else
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
144 origin.presence = stanza;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
145 local priority = stanza:child_with_name("priority");
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
146 if priority and #priority > 0 then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
147 priority = t_concat(priority);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
148 if s_find(priority, "^[+-]?[0-9]+$") then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
149 priority = tonumber(priority);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
150 if priority < -128 then priority = -128 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
151 if priority > 127 then priority = 127 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
152 else priority = 0; end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
153 else priority = 0; end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
154 if origin.priority ~= priority then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
155 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
156 recalc_resource_map(user);
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
157 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
158 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
159 stanza.attr.to = nil; -- reset it
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
3153
fd435cab928f mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3112
diff changeset
162 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
163 local h = hosts[host];
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
164 local count = 0;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
165 if h and h.type == "local" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
166 local u = h.sessions[user];
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
167 if u then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
168 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
169 local pres = session.presence;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
170 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
171 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
172 pres.attr.to = jid;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
173 core_route_stanza(session, pres);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
174 pres.attr.to = nil;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
175 count = count + 1;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
176 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
177 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
178 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
179 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
180 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
181 return count;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
182 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
183
3153
fd435cab928f mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3112
diff changeset
184 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
185 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
186 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
187 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
188 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
189 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
190 if stanza.attr.type == "subscribe" 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 (subscription = none, ask = subscribe)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
193 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
194 rostermanager.roster_push(node, host, to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
195 end -- else file error
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
196 core_route_stanza(origin, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
197 elseif stanza.attr.type == "unsubscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
198 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
199 -- 2. roster push (subscription = none or from)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
200 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
201 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
202 end -- else file error
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
203 core_route_stanza(origin, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
204 elseif stanza.attr.type == "subscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
205 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
206 -- 2. roster_push ()
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
207 -- 3. send_presence_of_available_resources
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
208 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
209 rostermanager.roster_push(node, host, to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
210 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
211 core_route_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
212 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
213 elseif stanza.attr.type == "unsubscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
214 -- 1. route stanza
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
215 -- 2. roster push (subscription = none or to)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
216 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
217 rostermanager.roster_push(node, host, to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
218 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
219 core_route_stanza(origin, stanza);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
220 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
221 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
222 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
223
3153
fd435cab928f mod_presence: Removed unnecessary parameter 'core_route_stanza' from various functions.
Waqas Hussain <waqas20@gmail.com>
parents: 3112
diff changeset
224 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
225 local node, host = jid_split(to_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
226 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
227 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
228 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
229
1508
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
230 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
231 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
232 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
233 if 0 == send_presence_of_available_resources(node, host, st_from, origin) 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
234 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
235 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
236 elseif not err 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
237 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
238 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
239 elseif stanza.attr.type == "subscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
240 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
241 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
242 -- 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
243 if 0 == send_presence_of_available_resources(node, host, from_bare, origin) 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
244 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
245 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
246 else
2229
3b38ec879076 mod_presence: Use the local host as origin for subscription request acks.
Waqas Hussain <waqas20@gmail.com>
parents: 2228
diff changeset
247 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
248 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
249 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
250 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
251 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
252 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
253 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
254 elseif stanza.attr.type == "unsubscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
255 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
256 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
257 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
258 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
259 elseif stanza.attr.type == "subscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
260 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
261 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
262 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
263 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
264 elseif stanza.attr.type == "unsubscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
265 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
266 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
267 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
268 end
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269 end -- discard any other type
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270 stanza.attr.from, stanza.attr.to = st_from, st_to;
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271 end
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272
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273 local outbound_presence_handler = function(data)
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274 -- outbound presence recieved
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275 local origin, stanza = data.origin, data.stanza;
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276
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277 local to = stanza.attr.to;
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278 if to then
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279 local t = stanza.attr.type;
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280 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes
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281 handle_outbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to));
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282 return true;
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283 end
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284
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285 local to_bare = jid_bare(to);
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286 if not(origin.roster[to_bare] and (origin.roster[to_bare].subscription == "both" or origin.roster[to_bare].subscription == "from")) then -- directed presence
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287 origin.directed = origin.directed or {};
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288 if t then -- removing from directed presence list on sending an error or unavailable
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289 origin.directed[to] = nil; -- FIXME does it make more sense to add to_bare rather than to?
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290 else
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291 origin.directed[to] = true; -- FIXME does it make more sense to add to_bare rather than to?
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292 end
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293 end
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294 end -- TODO maybe handle normal presence here, instead of letting it pass to incoming handlers?
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295 end
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296
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297 module:hook("pre-presence/full", outbound_presence_handler);
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298 module:hook("pre-presence/bare", outbound_presence_handler);
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299 module:hook("pre-presence/host", outbound_presence_handler);
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300
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301 module:hook("presence/bare", function(data)
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302 -- inbound presence to bare JID recieved
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303 local origin, stanza = data.origin, data.stanza;
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304
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305 local to = stanza.attr.to;
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306 local t = stanza.attr.type;
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307 if to then
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308 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to bare JID
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309 handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to));
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310 return true;
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311 end
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312
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313 local user = bare_sessions[to];
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314 if user then
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315 for _, session in pairs(user.sessions) do
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316 if session.presence then -- only send to available resources
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317 session.send(stanza);
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318 end
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319 end
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320 end -- no resources not online, discard
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321 elseif not t or t == "unavailable" then
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322 handle_normal_presence(origin, stanza);
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323 end
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324 return true;
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325 end);
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326 module:hook("presence/full", function(data)
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327 -- inbound presence to full JID recieved
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328 local origin, stanza = data.origin, data.stanza;
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329
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330 local t = stanza.attr.type;
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331 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to full JID
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332 handle_inbound_presence_subscriptions_and_probes(origin, stanza, jid_bare(stanza.attr.from), jid_bare(stanza.attr.to));
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333 return true;
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334 end
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335
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336 local session = full_sessions[stanza.attr.to];
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337 if session then
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338 -- TODO fire post processing event
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339 session.send(stanza);
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340 end -- resource not online, discard
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341 return true;
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342 end);
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343 module:hook("presence/host", function(data)
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344 -- inbound presence to the host
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345 local origin, stanza = data.origin, data.stanza;
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346
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347 local from_bare = jid_bare(stanza.attr.from);
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348 local t = stanza.attr.type;
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349 if t == "probe" then
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350 core_route_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id }));
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351 elseif t == "subscribe" then
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352 core_route_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id, type = "subscribed" }));
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353 core_route_stanza(hosts[module.host], st.presence({ from = module.host, to = from_bare, id = stanza.attr.id }));
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354 end
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355 return true;
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356 end);
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357
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358 module:hook("resource-unbind", function(event)
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359 local session, err = event.session, event.error;
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360 -- Send unavailable presence
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361 if session.presence then
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362 local pres = st.presence{ type = "unavailable" };
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363 if not(err) or err == "closed" then err = "connection closed"; end
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364 pres:tag("status"):text("Disconnected: "..err):up();
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365 session:dispatch_stanza(pres);
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366 elseif session.directed then
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bbadcaab0036 mod_presence: Tag outgoing unavailables generated by a disconnect with a from attribute
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367 local pres = st.presence{ type = "unavailable", from = session.full_jid };
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368 if not(err) or err == "closed" then err = "connection closed"; end
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369 pres:tag("status"):text("Disconnected: "..err):up();
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370 for jid in pairs(session.directed) do
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371 pres.attr.to = jid;
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372 core_route_stanza(session, pres);
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373 end
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374 session.directed = nil;
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375 end
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376 end);