prosody
4417ab6ccc20
core/presencemanager.lua

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core/presencemanager.lua @ 780:4417ab6ccc20

Fixed directed presence handling to work correctly for components
author Waqas Hussain <waqas20@gmail.com>
date Wed, 11 Feb 2009 18:09:41 +0500
parent 760:90ce865eebd8
child 826:27978a3f2c0c
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5cccfb5da6cb 0.2->0.3
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1 -- Prosody IM v0.3
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90ce865eebd8 Update copyright notices for 2009
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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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b1885732e979 GPL->MIT!
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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
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11 local log = require "util.logger".init("presencemanager")
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12
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13 local require = require;
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14 local pairs, ipairs = pairs, ipairs;
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15 local t_concat = table.concat;
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16 local s_find = string.find;
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17 local tonumber = tonumber;
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18
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19 local st = require "util.stanza";
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20 local jid_split = require "util.jid".split;
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21 local hosts = hosts;
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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 module "presencemanager"
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28
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29 function handle_presence(origin, stanza, from_bare, to_bare, core_route_stanza, inbound)
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30 local type = stanza.attr.type;
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31 if type and type ~= "unavailable" then
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32 if inbound then
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33 handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);
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34 else
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35 handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza);
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36 end
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37 elseif not inbound and not stanza.attr.to then
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38 handle_normal_presence(origin, stanza, core_route_stanza);
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39 else
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40 core_route_stanza(origin, stanza);
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41 end
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42 end
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43
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44 function handle_normal_presence(origin, stanza, core_route_stanza)
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45 if origin.roster then
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46 for jid in pairs(origin.roster) do -- broadcast to all interested contacts
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47 local subscription = origin.roster[jid].subscription;
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48 if subscription == "both" or subscription == "from" then
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49 stanza.attr.to = jid;
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50 core_route_stanza(origin, stanza);
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51 end
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52 end
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53 local node, host = jid_split(stanza.attr.from);
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54 for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast to all resources
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55 if res ~= origin and res.full_jid then -- to resource. FIXME is res.full_jid the correct check? Maybe it should be res.presence
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56 stanza.attr.to = res.full_jid;
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57 core_route_stanza(origin, stanza);
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58 end
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59 end
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60 if stanza.attr.type == nil and not origin.presence then -- initial presence
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61 local probe = st.presence({from = origin.full_jid, type = "probe"});
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62 for jid in pairs(origin.roster) do -- probe all contacts we are subscribed to
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63 local subscription = origin.roster[jid].subscription;
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64 if subscription == "both" or subscription == "to" then
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65 probe.attr.to = jid;
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66 core_route_stanza(origin, probe);
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67 end
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68 end
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69 for _, res in pairs(hosts[host].sessions[node].sessions) do -- broadcast from all available resources
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70 if res ~= origin and res.presence then
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71 res.presence.attr.to = origin.full_jid;
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72 core_route_stanza(res, res.presence);
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73 res.presence.attr.to = nil;
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74 end
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75 end
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76 if origin.roster.pending then -- resend incoming subscription requests
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77 for jid in pairs(origin.roster.pending) do
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78 origin.send(st.presence({type="subscribe", from=jid})); -- TODO add to attribute? Use original?
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79 end
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80 end
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81 local request = st.presence({type="subscribe", from=origin.username.."@"..origin.host});
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82 for jid, item in pairs(origin.roster) do -- resend outgoing subscription requests
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83 if item.ask then
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84 request.attr.to = jid;
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85 core_route_stanza(origin, request);
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86 end
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87 end
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88 local offline = offlinemanager.load(node, host);
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89 if offline then
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90 for _, msg in ipairs(offline) do
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91 origin.send(msg); -- FIXME do we need to modify to/from in any way?
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92 end
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93 offlinemanager.deleteAll(node, host);
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94 end
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95 end
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96 origin.priority = 0;
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97 if stanza.attr.type == "unavailable" then
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98 origin.presence = nil;
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99 if origin.directed then
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100 for jid in pairs(origin.directed) do
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101 stanza.attr.to = jid;
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102 core_route_stanza(origin, stanza);
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103 end
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104 origin.directed = nil;
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105 end
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106 else
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107 origin.presence = stanza;
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108 local priority = stanza:child_with_name("priority");
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109 if priority and #priority > 0 then
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110 priority = t_concat(priority);
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111 if s_find(priority, "^[+-]?[0-9]+$") then
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112 priority = tonumber(priority);
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113 if priority < -128 then priority = -128 end
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114 if priority > 127 then priority = 127 end
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115 origin.priority = priority;
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116 end
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117 end
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118 end
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119 stanza.attr.to = nil; -- reset it
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120 else
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121 log("error", "presence recieved from client with no roster");
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122 end
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123 end
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124
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125 function send_presence_of_available_resources(user, host, jid, recipient_session, core_route_stanza)
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126 local h = hosts[host];
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127 local count = 0;
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parents:
diff changeset
128 if h and h.type == "local" then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
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parents:
diff changeset
129 local u = h.sessions[user];
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
130 if u then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
131 for k, session in pairs(u.sessions) do
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parents:
diff changeset
132 local pres = session.presence;
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diff changeset
133 if pres then
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
134 pres.attr.to = jid;
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parents:
diff changeset
135 pres.attr.from = session.full_jid;
323
7c9d2cabd245 Second fix for broadcasting presence of available resources to newly approved contact
Waqas Hussain <waqas20@gmail.com>
parents: 322
diff changeset
136 core_route_stanza(session, pres);
321
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
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137 pres.attr.to = nil;
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
138 pres.attr.from = nil;
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
139 count = count + 1;
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Waqas Hussain <waqas20@gmail.com>
parents:
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140 end
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
141 end
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
142 end
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
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143 end
325
5de1048b3fbf Adding logging for outbound presence broadcasts (changed it a bit)
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diff changeset
144 log("info", "broadcasted presence of "..count.." resources from "..user.."@"..host.." to "..jid);
321
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145 return count;
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
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146 end
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Waqas Hussain <waqas20@gmail.com>
parents:
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147
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
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148 function handle_outbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
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149 local node, host = jid_split(from_bare);
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parents:
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150 local st_from, st_to = stanza.attr.from, stanza.attr.to;
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
151 stanza.attr.from, stanza.attr.to = from_bare, to_bare;
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
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parents:
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152 log("debug", "outbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare);
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
153 if stanza.attr.type == "subscribe" then
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
154 -- 1. route stanza
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parents:
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155 -- 2. roster push (subscription = none, ask = subscribe)
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
156 if rostermanager.set_contact_pending_out(node, host, to_bare) then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
157 rostermanager.roster_push(node, host, to_bare);
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
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parents:
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158 end -- else file error
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parents:
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159 core_route_stanza(origin, stanza);
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Waqas Hussain <waqas20@gmail.com>
parents:
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160 elseif stanza.attr.type == "unsubscribe" then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
161 -- 1. route stanza
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parents:
diff changeset
162 -- 2. roster push (subscription = none or from)
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
163 if rostermanager.unsubscribe(node, host, to_bare) then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
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parents:
diff changeset
164 rostermanager.roster_push(node, host, to_bare); -- FIXME do roster push when roster has in fact not changed?
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parents:
diff changeset
165 end -- else file error
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
166 core_route_stanza(origin, stanza);
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
167 elseif stanza.attr.type == "subscribed" then
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
168 -- 1. route stanza
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parents:
diff changeset
169 -- 2. roster_push ()
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parents:
diff changeset
170 -- 3. send_presence_of_available_resources
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
171 if rostermanager.subscribed(node, host, to_bare) then
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parents:
diff changeset
172 rostermanager.roster_push(node, host, to_bare);
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parents:
diff changeset
173 end
326
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parents: 325
diff changeset
174 core_route_stanza(origin, stanza);
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parents: 325
diff changeset
175 send_presence_of_available_resources(node, host, to_bare, origin, core_route_stanza);
321
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
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parents:
diff changeset
176 elseif stanza.attr.type == "unsubscribed" then
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
177 -- 1. route stanza
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
178 -- 2. roster push (subscription = none or to)
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
179 if rostermanager.unsubscribed(node, host, to_bare) then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
180 rostermanager.roster_push(node, host, to_bare);
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parents:
diff changeset
181 end
326
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parents: 325
diff changeset
182 core_route_stanza(origin, stanza);
321
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
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parents:
diff changeset
183 end
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parents:
diff changeset
184 stanza.attr.from, stanza.attr.to = st_from, st_to;
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
185 end
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
186
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
187 function handle_inbound_presence_subscriptions_and_probes(origin, stanza, from_bare, to_bare, core_route_stanza)
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
188 local node, host = jid_split(to_bare);
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
189 local st_from, st_to = stanza.attr.from, stanza.attr.to;
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
190 stanza.attr.from, stanza.attr.to = from_bare, to_bare;
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
191 log("debug", "inbound presence "..stanza.attr.type.." from "..from_bare.." for "..to_bare);
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
192 if stanza.attr.type == "probe" then
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
193 if rostermanager.is_contact_subscribed(node, host, from_bare) then
322
d370fea67264 Fix for broadcasting presence of available resources to newly approved contact
Waqas Hussain <waqas20@gmail.com>
parents: 321
diff changeset
194 if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then
321
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
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parents:
diff changeset
195 -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
196 end
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
197 else
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
198 core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="unsubscribed"}));
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
199 end
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Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
200 elseif stanza.attr.type == "subscribe" then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
201 if rostermanager.is_contact_subscribed(node, host, from_bare) then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
202 core_route_stanza(origin, st.presence({from=to_bare, to=from_bare, type="subscribed"})); -- already subscribed
326
99a8317d1235 Send unsubscribe and unsubscribed on roster item delete, and broadcast available resources' presence in reply to pre-approved subscription request
Waqas Hussain <waqas20@gmail.com>
parents: 325
diff changeset
203 -- Sending presence is not clearly stated in the RFC, but it seems appropriate
99a8317d1235 Send unsubscribe and unsubscribed on roster item delete, and broadcast available resources' presence in reply to pre-approved subscription request
Waqas Hussain <waqas20@gmail.com>
parents: 325
diff changeset
204 if 0 == send_presence_of_available_resources(node, host, from_bare, origin, core_route_stanza) then
99a8317d1235 Send unsubscribe and unsubscribed on roster item delete, and broadcast available resources' presence in reply to pre-approved subscription request
Waqas Hussain <waqas20@gmail.com>
parents: 325
diff changeset
205 -- TODO send last recieved unavailable presence (or we MAY do nothing, which is fine too)
99a8317d1235 Send unsubscribe and unsubscribed on roster item delete, and broadcast available resources' presence in reply to pre-approved subscription request
Waqas Hussain <waqas20@gmail.com>
parents: 325
diff changeset
206 end
321
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
207 else
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
208 if not rostermanager.is_contact_pending_in(node, host, from_bare) then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
209 if rostermanager.set_contact_pending_in(node, host, from_bare) then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
210 sessionmanager.send_to_available_resources(node, host, stanza);
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
211 end -- TODO else return error, unable to save
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
212 end
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
213 end
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
214 elseif stanza.attr.type == "unsubscribe" then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
215 if rostermanager.process_inbound_unsubscribe(node, host, from_bare) then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
216 rostermanager.roster_push(node, host, from_bare);
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
217 end
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
218 elseif stanza.attr.type == "subscribed" then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
219 if rostermanager.process_inbound_subscription_approval(node, host, from_bare) then
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
220 rostermanager.roster_push(node, host, from_bare);
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
221 end
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
222 elseif stanza.attr.type == "unsubscribed" then
326
99a8317d1235 Send unsubscribe and unsubscribed on roster item delete, and broadcast available resources' presence in reply to pre-approved subscription request
Waqas Hussain <waqas20@gmail.com>
parents: 325
diff changeset
223 if rostermanager.process_inbound_subscription_cancellation(node, host, from_bare) then
321
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
224 rostermanager.roster_push(node, host, from_bare);
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
225 end
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
226 end -- discard any other type
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
227 stanza.attr.from, stanza.attr.to = st_from, st_to;
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
228 end
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
229
31fe15ce6fac Moved presence subscription code from stanza_router to presencemanager
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
230 return _M;