prosody
4ab83f96585a
plugins/mod_presence.lua

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plugins/mod_presence.lua @ 2038:4ab83f96585a

mod_presence: Send unavailable presence when sending unsubscribed presence stanzas (some legacy clients continue to display unsubscribed contacts as available).
author Waqas Hussain <waqas20@gmail.com>
date Wed, 21 Oct 2009 19:01:02 +0500
parent 1731:38d87682cb4a
child 2142:4b339020607f
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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38d87682cb4a mod_presence: Fixed: Don't recursively handle inbound presence directed at local 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
2038
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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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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
147 local count = 0;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
148 if h and h.type == "local" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
149 local u = h.sessions[user];
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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
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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);
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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
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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;
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parents: 1488
diff changeset
171 stanza.attr.from, stanza.attr.to = from_bare, to_bare;
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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
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parents: 1488
diff changeset
174 -- 1. route stanza
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Matthew Wild <mwild1@gmail.com>
parents: 1488
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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);
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
180 elseif stanza.attr.type == "unsubscribe" then
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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);
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
187 elseif stanza.attr.type == "subscribed" then
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
188 -- 1. route stanza
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
189 -- 2. roster_push ()
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Matthew Wild <mwild1@gmail.com>
parents: 1488
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190 -- 3. send_presence_of_available_resources
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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);
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
193 end
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
194 core_route_stanza(origin, stanza);
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
195 send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza);
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parents: 1488
diff changeset
196 elseif stanza.attr.type == "unsubscribed" then
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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);
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
203 -- COMPAT: Some legacy clients keep displaying unsubscribed contacts as online unless an unavailable presence is sent:
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
204 send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza,
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
205 st.presence({ type="unavailable", from=from_bare, to=to_bare, id=stanza.attr.id }));
1508
762d758e116a mod_presence: Convert from Windows line endings
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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
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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);
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Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
212 local st_from, st_to = stanza.attr.from, stanza.attr.to;
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parents: 1488
diff changeset
213 stanza.attr.from, stanza.attr.to = from_bare, to_bare;
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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
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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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
223 -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
226 core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="unsubscribed"}));
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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
230 core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed
762d758e116a mod_presence: Convert from Windows line endings
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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
233 -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
236 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
237 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
238 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
239 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
240 end
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 elseif stanza.attr.type == "unsubscribe" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
243 if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
244 rostermanager.roster_push(node, host, from_bare);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
245 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
246 elseif stanza.attr.type == "subscribed" then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
247 if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then
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
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
252 rostermanager.roster_push(node, host, from_bare);
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 end -- discard any other type
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
255 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
256 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
257
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
258 local outbound_presence_handler = function(data)
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
259 -- outbound presence recieved
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
260 local origin, stanza = data.origin, data.stanza;
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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 to = stanza.attr.to;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
263 if to then
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
264 local t = stanza.attr.type;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
265 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
266 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
267 return true;
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
268 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
269
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
270 local to_bare = jid_bare(to);
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
271 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
272 origin.directed = origin.directed or {};
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
273 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
274 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
275 else
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
276 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
277 end
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 -- TODO maybe handle normal presence here, instead of letting it pass to incoming handlers?
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
280 end
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
parents: 1488
diff changeset
281
762d758e116a mod_presence: Convert from Windows line endings
Matthew Wild <mwild1@gmail.com>
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282 module:hook("pre-presence/full", outbound_presence_handler);
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283 module:hook("pre-presence/bare", outbound_presence_handler);
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284 module:hook("pre-presence/host", outbound_presence_handler);
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285
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286 module:hook("presence/bare", function(data)
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287 -- inbound presence to bare JID recieved
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288 local origin, stanza = data.origin, data.stanza;
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289
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290 local to = stanza.attr.to;
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291 local t = stanza.attr.type;
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292 if to then
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293 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to bare JID
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294 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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295 return true;
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296 end
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297
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298 local user = bare_sessions[to];
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299 if user then
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300 for _, session in pairs(user.sessions) do
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301 if session.presence then -- only send to available resources
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302 session.send(stanza);
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303 end
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304 end
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305 end -- no resources not online, discard
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306 elseif not t or t == "unavailable" then
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307 handle_normal_presence(origin, stanza, core_route_stanza);
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308 end
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309 return true;
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310 end);
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311 module:hook("presence/full", function(data)
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312 -- inbound presence to full JID recieved
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313 local origin, stanza = data.origin, data.stanza;
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314
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315 local t = stanza.attr.type;
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316 if t ~= nil and t ~= "unavailable" and t ~= "error" then -- check for subscriptions and probes sent to full JID
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317 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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318 return true;
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319 end
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320
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321 local session = full_sessions[stanza.attr.to];
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322 if session then
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323 -- TODO fire post processing event
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324 session.send(stanza);
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325 end -- resource not online, discard
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326 return true;
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327 end);
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328
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329 module:hook("resource-unbind", function(event)
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330 local session, err = event.session, event.error;
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331 -- Send unavailable presence
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332 if session.presence then
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333 local pres = st.presence{ type = "unavailable" };
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334 if not(err) or err == "closed" then err = "connection closed"; end
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335 pres:tag("status"):text("Disconnected: "..err):up();
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336 session:dispatch_stanza(pres);
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337 elseif session.directed then
1606
bbadcaab0036 mod_presence: Tag outgoing unavailables generated by a disconnect with a from attribute
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338 local pres = st.presence{ type = "unavailable", from = session.full_jid };
1508
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339 if not(err) or err == "closed" then err = "connection closed"; end
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340 pres:tag("status"):text("Disconnected: "..err):up();
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341 for jid in pairs(session.directed) do
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342 pres.attr.to = jid;
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343 core_route_stanza(session, pres);
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344 end
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345 session.directed = nil;
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346 end
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347 end);