prosody
1eec2bd19bf7
plugins/mod_pep.lua

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plugins/mod_pep.lua @ 3290:1eec2bd19bf7

mod_pep: Fixed a possible traceback during disco#items queries on a user's bare JID by remote users.
author Waqas Hussain <waqas20@gmail.com>
date Thu, 24 Jun 2010 03:29:39 +0500
parent 3132:4d2251242ac1
child 3344:b16f842b7525
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
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10 local jid_bare = require "util.jid".bare;
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11 local jid_split = require "util.jid".split;
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12 local st = require "util.stanza";
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13 local hosts = hosts;
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14 local user_exists = require "core.usermanager".user_exists;
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15 local is_contact_subscribed = require "core.rostermanager".is_contact_subscribed;
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16 local pairs, ipairs = pairs, ipairs;
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17 local next = next;
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18 local type = type;
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19 local sha1 = require "util.hashes".sha1;
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20 local base64 = require "util.encodings".base64.encode;
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21
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22 local NULL = {};
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23 local data = {};
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24 local recipients = {};
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25 local hash_map = {};
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26
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27 module.save = function()
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28 return { data = data, recipients = recipients, hash_map = hash_map };
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29 end
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30 module.restore = function(state)
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31 data = state.data or {};
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32 recipients = state.recipients or {};
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33 hash_map = state.hash_map or {};
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34 end
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35
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36 module:add_identity("pubsub", "pep", "Prosody");
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37 module:add_feature("http://jabber.org/protocol/pubsub#publish");
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38
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39 local function subscription_presence(user_bare, recipient)
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40 local recipient_bare = jid_bare(recipient);
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41 if (recipient_bare == user_bare) then return true end
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42 local username, host = jid_split(user_bare);
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43 return is_contact_subscribed(username, host, recipient_bare);
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44 end
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45
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46 local function publish(session, node, id, item)
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47 item.attr.xmlns = nil;
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48 local disable = #item.tags ~= 1 or #item.tags[1] == 0;
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49 if #item.tags == 0 then item.name = "retract"; end
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50 local bare = session.username..'@'..session.host;
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51 local stanza = st.message({from=bare, type='headline'})
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52 :tag('event', {xmlns='http://jabber.org/protocol/pubsub#event'})
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53 :tag('items', {node=node})
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54 :add_child(item)
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55 :up()
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56 :up();
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57
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58 -- store for the future
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59 local user_data = data[bare];
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60 if disable then
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61 if user_data then
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62 user_data[node] = nil;
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63 if not next(user_data) then data[bare] = nil; end
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64 end
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65 else
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66 if not user_data then user_data = {}; data[bare] = user_data; end
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67 user_data[node] = {id or "1", item};
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68 end
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69
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70 -- broadcast
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71 for recipient, notify in pairs(recipients[bare] or NULL) do
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72 if notify[node] then
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73 stanza.attr.to = recipient;
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74 core_post_stanza(session, stanza);
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75 end
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76 end
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77 end
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78 local function publish_all(user, recipient, session)
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79 local d = data[user];
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80 local notify = recipients[user] and recipients[user][recipient];
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81 if d and notify then
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82 for node in pairs(notify) do
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83 if d[node] then
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84 local id, item = unpack(d[node]);
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85 session.send(st.message({from=user, to=recipient, type='headline'})
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86 :tag('event', {xmlns='http://jabber.org/protocol/pubsub#event'})
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87 :tag('items', {node=node})
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88 :add_child(item)
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89 :up()
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90 :up());
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91 end
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92 end
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93 end
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94 end
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95
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96 local function get_caps_hash_from_presence(stanza, current)
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97 local t = stanza.attr.type;
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98 if not t then
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99 for _, child in pairs(stanza.tags) do
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100 if child.name == "c" and child.attr.xmlns == "http://jabber.org/protocol/caps" then
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101 local attr = child.attr;
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102 if attr.hash then -- new caps
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103 if attr.hash == 'sha-1' and attr.node and attr.ver then return attr.ver, attr.node.."#"..attr.ver; end
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104 else -- legacy caps
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105 if attr.node and attr.ver then return attr.node.."#"..attr.ver.."#"..(attr.ext or ""), attr.node.."#"..attr.ver; end
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106 end
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107 return; -- bad caps format
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108 end
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109 end
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110 elseif t == "unavailable" or t == "error" then
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111 return;
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112 end
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113 return current; -- no caps, could mean caps optimization, so return current
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114 end
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115
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116 module:hook("presence/bare", function(event)
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117 -- inbound presence to bare JID recieved
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118 local origin, stanza = event.origin, event.stanza;
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119 local user = stanza.attr.to or (origin.username..'@'..origin.host);
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120 local t = stanza.attr.type;
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121
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122 if not t then -- available presence
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123 if not stanza.attr.to or subscription_presence(user, stanza.attr.from) then
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124 local recipient = stanza.attr.from;
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125 local current = recipients[user] and recipients[user][recipient];
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126 local hash = get_caps_hash_from_presence(stanza, current);
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127 if current == hash then return; end
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128 if not hash then
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parents: 3130
diff changeset
129 if recipients[user] then recipients[user][recipient] = nil; end
1439
f989608964ec mod_pep: Use cached caps
Waqas Hussain <waqas20@gmail.com>
parents: 1437
diff changeset
130 else
3132
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
131 recipients[user] = recipients[user] or {};
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
132 if hash_map[hash] then
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
133 recipients[user][recipient] = hash_map[hash];
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
134 publish_all(user, recipient, origin);
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
135 else
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
136 recipients[user][recipient] = hash;
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
137 origin.send(
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
138 st.stanza("iq", {from=stanza.attr.to, to=stanza.attr.from, id="disco", type="get"})
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
139 :query("http://jabber.org/protocol/disco#info")
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
140 );
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
141 end
1439
f989608964ec mod_pep: Use cached caps
Waqas Hussain <waqas20@gmail.com>
parents: 1437
diff changeset
142 end
1325
b58645973d7d mod_pep: Send items to contacts coming online
Waqas Hussain <waqas20@gmail.com>
parents: 1324
diff changeset
143 end
3132
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
144 elseif t == "unavailable" then
4d2251242ac1 mod_pep: Corrected and optimized handling of non-available presence stanzas.
Waqas Hussain <waqas20@gmail.com>
parents: 3130
diff changeset
145 if recipients[user] then recipients[user][stanza.attr.from] = nil; end
1325
b58645973d7d mod_pep: Send items to contacts coming online
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parents: 1324
diff changeset
146 end
1327
20285e9d71ee mod_pep: Give the presence handler a higher than default priority
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parents: 1325
diff changeset
147 end, 10);
1325
b58645973d7d mod_pep: Send items to contacts coming online
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parents: 1324
diff changeset
148
1404
12abd2da8885 mod_pep: Use new style events
Waqas Hussain <waqas20@gmail.com>
parents: 1402
diff changeset
149 module:hook("iq/bare/http://jabber.org/protocol/pubsub:pubsub", function(event)
12abd2da8885 mod_pep: Use new style events
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parents: 1402
diff changeset
150 local session, stanza = event.origin, event.stanza;
2327
5839f303addf mod_pep: Support item retrieval use cases
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parents: 2326
diff changeset
151 local payload = stanza.tags[1];
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parents: 2326
diff changeset
152
1136
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parents:
diff changeset
153 if stanza.attr.type == 'set' and (not stanza.attr.to or jid_bare(stanza.attr.from) == stanza.attr.to) then
2327
5839f303addf mod_pep: Support item retrieval use cases
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parents: 2326
diff changeset
154 payload = payload.tags[1];
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parents: 2326
diff changeset
155 if payload and (payload.name == 'publish' or payload.name == 'retract') and payload.attr.node then -- <publish node='http://jabber.org/protocol/tune'>
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parents: 2326
diff changeset
156 local node = payload.attr.node;
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parents: 2326
diff changeset
157 payload = payload.tags[1];
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parents: 2326
diff changeset
158 if payload and payload.name == "item" then -- <item>
5839f303addf mod_pep: Support item retrieval use cases
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parents: 2326
diff changeset
159 local id = payload.attr.id;
5839f303addf mod_pep: Support item retrieval use cases
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parents: 2326
diff changeset
160 session.send(st.reply(stanza));
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
161 publish(session, node, id, st.clone(payload));
5839f303addf mod_pep: Support item retrieval use cases
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parents: 2326
diff changeset
162 return true;
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
163 end
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
164 end
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
165 elseif stanza.attr.type == 'get' then
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Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
166 local user = stanza.attr.to and jid_bare(stanza.attr.to) or session.username..'@'..session.host;
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
167 if subscription_presence(user, stanza.attr.from) then
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
168 local user_data = data[user];
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
169 local node, requested_id;
1136
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parents:
diff changeset
170 payload = payload.tags[1];
2327
5839f303addf mod_pep: Support item retrieval use cases
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parents: 2326
diff changeset
171 if payload and payload.name == 'items' then
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
172 node = payload.attr.node;
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
173 local item = payload.tags[1];
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
174 if item and item.name == "item" then
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
175 requested_id = item.attr.id;
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
176 end
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
177 end
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
178 if node and user_data and user_data[node] then -- Send the last item
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
179 local id, item = unpack(user_data[node]);
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
180 if not requested_id or id == requested_id then
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
181 local stanza = st.reply(stanza)
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
182 :tag('pubsub', {xmlns='http://jabber.org/protocol/pubsub'})
5839f303addf mod_pep: Support item retrieval use cases
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parents: 2326
diff changeset
183 :tag('items', {node=node})
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
184 :add_child(item)
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
185 :up()
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
186 :up();
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
187 session.send(stanza);
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
188 return true;
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
189 else -- requested item doesn't exist
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
190 local stanza = st.reply(stanza)
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
191 :tag('pubsub', {xmlns='http://jabber.org/protocol/pubsub'})
5839f303addf mod_pep: Support item retrieval use cases
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parents: 2326
diff changeset
192 :tag('items', {node=node})
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
193 :up();
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
194 session.send(stanza);
1136
506012db54e8 mod_pep: Initial commit (extremely basic implementation)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
195 return true;
1425
8187f72b7425 mod_pep: Removed some YODO comments
Waqas Hussain <waqas20@gmail.com>
parents: 1424
diff changeset
196 end
2327
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
197 elseif node then -- node doesn't exist
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
198 session.send(st.error_reply(stanza, 'cancel', 'item-not-found'));
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
199 return true;
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
200 else --invalid request
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
201 session.send(st.error_reply(stanza, 'modify', 'bad-request'));
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
202 return true;
1425
8187f72b7425 mod_pep: Removed some YODO comments
Waqas Hussain <waqas20@gmail.com>
parents: 1424
diff changeset
203 end
2327
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
204 else --no presence subscription
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
205 session.send(st.error_reply(stanza, 'auth', 'not-authorized')
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
206 :tag('presence-subscription-required', {xmlns='http://jabber.org/protocol/pubsub#errors'}));
5839f303addf mod_pep: Support item retrieval use cases
Paul Aurich <paul@darkrain42.org>
parents: 2326
diff changeset
207 return true;
1136
506012db54e8 mod_pep: Initial commit (extremely basic implementation)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
208 end
506012db54e8 mod_pep: Initial commit (extremely basic implementation)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
209 end
506012db54e8 mod_pep: Initial commit (extremely basic implementation)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
210 end);
506012db54e8 mod_pep: Initial commit (extremely basic implementation)
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
211
1437
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
212 local function calculate_hash(disco_info)
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
213 local identities, features, extensions = {}, {}, {};
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
214 for _, tag in pairs(disco_info) do
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
215 if tag.name == "identity" then
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
216 table.insert(identities, (tag.attr.category or "").."\0"..(tag.attr.type or "").."\0"..(tag.attr["xml:lang"] or "").."\0"..(tag.attr.name or ""));
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
217 elseif tag.name == "feature" then
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
218 table.insert(features, tag.attr.var or "");
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
219 elseif tag.name == "x" and tag.attr.xmlns == "jabber:x:data" then
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
220 local form = {};
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
221 local FORM_TYPE;
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
222 for _, field in pairs(tag.tags) do
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
223 if field.name == "field" and field.attr.var then
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
224 local values = {};
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
225 for _, val in pairs(field.tags) do
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
226 val = #val.tags == 0 and table.concat(val); -- FIXME use get_text?
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
227 if val then table.insert(values, val); end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
228 end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
229 table.sort(values);
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
230 if field.attr.var == "FORM_TYPE" then
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
231 FORM_TYPE = values[1];
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
232 elseif #values > 0 then
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
233 table.insert(form, field.attr.var.."\0"..table.concat(values, "<"));
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
234 else
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
235 table.insert(form, field.attr.var);
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
236 end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
237 end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
238 end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
239 table.sort(form);
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
240 form = table.concat(form, "<");
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
241 if FORM_TYPE then form = FORM_TYPE.."\0"..form; end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
242 table.insert(extensions, form);
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
243 end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
244 end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
245 table.sort(identities);
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
246 table.sort(features);
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
247 table.sort(extensions);
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
248 if #identities > 0 then identities = table.concat(identities, "<"):gsub("%z", "/").."<"; else identities = ""; end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
249 if #features > 0 then features = table.concat(features, "<").."<"; else features = ""; end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
250 if #extensions > 0 then extensions = table.concat(extensions, "<"):gsub("%z", "<").."<"; else extensions = ""; end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
251 local S = identities..features..extensions;
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
252 local ver = base64(sha1(S));
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
253 return ver, S;
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
254 end
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
255
1424
6969ad97ca58 mod_pep: Added handler for disco responses
Waqas Hussain <waqas20@gmail.com>
parents: 1404
diff changeset
256 module:hook("iq/bare/disco", function(event)
6969ad97ca58 mod_pep: Added handler for disco responses
Waqas Hussain <waqas20@gmail.com>
parents: 1404
diff changeset
257 local session, stanza = event.origin, event.stanza;
6969ad97ca58 mod_pep: Added handler for disco responses
Waqas Hussain <waqas20@gmail.com>
parents: 1404
diff changeset
258 if stanza.attr.type == "result" then
6969ad97ca58 mod_pep: Added handler for disco responses
Waqas Hussain <waqas20@gmail.com>
parents: 1404
diff changeset
259 local disco = stanza.tags[1];
6969ad97ca58 mod_pep: Added handler for disco responses
Waqas Hussain <waqas20@gmail.com>
parents: 1404
diff changeset
260 if disco and disco.name == "query" and disco.attr.xmlns == "http://jabber.org/protocol/disco#info" then
6969ad97ca58 mod_pep: Added handler for disco responses
Waqas Hussain <waqas20@gmail.com>
parents: 1404
diff changeset
261 -- Process disco response
1437
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
262 local user = stanza.attr.to or (session.username..'@'..session.host);
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
263 local contact = stanza.attr.from;
cf2eba9b1716 mod_pep: Entity capabilities
Waqas Hussain <waqas20@gmail.com>
parents: 1430
diff changeset
264 local current = recipients[user] and recipients[user][contact];
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265 if type(current) ~= "string" then return; end -- check if waiting for recipient's response
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266 local ver = current;
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267 if not string.find(current, "#") then
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268 ver = calculate_hash(disco.tags); -- calculate hash
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269 end
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Waqas Hussain <waqas20@gmail.com>
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270 local notify = {};
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271 for _, feature in pairs(disco.tags) do
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272 if feature.name == "feature" and feature.attr.var then
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Matthew Wild <mwild1@gmail.com>
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273 local nfeature = feature.attr.var:match("^(.*)%+notify$");
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274 if nfeature then notify[nfeature] = true; end
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275 end
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Waqas Hussain <waqas20@gmail.com>
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276 end
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Waqas Hussain <waqas20@gmail.com>
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277 hash_map[ver] = notify; -- update hash map
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278 recipients[user][contact] = notify; -- set recipient's data to calculated data
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Waqas Hussain <waqas20@gmail.com>
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279 -- send messages to recipient
1439
f989608964ec mod_pep: Use cached caps
Waqas Hussain <waqas20@gmail.com>
parents: 1437
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280 publish_all(user, contact, session);
1424
6969ad97ca58 mod_pep: Added handler for disco responses
Waqas Hussain <waqas20@gmail.com>
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281 end
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282 end
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Waqas Hussain <waqas20@gmail.com>
parents: 1404
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283 end);
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7bec10f26082 mod_pep: Handle service discovery queries for bare account JIDs (thanks darkrain).
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284
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Waqas Hussain <waqas20@gmail.com>
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285 module:hook("account-disco-info", function(event)
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286 local stanza = event.stanza;
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287 stanza:tag('identity', {category='pubsub', type='pep'}):up();
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parents: 2327
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288 stanza:tag('feature', {var='http://jabber.org/protocol/pubsub#publish'}):up();
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289 end);
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290
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291 module:hook("account-disco-items", function(event)
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1eec2bd19bf7 mod_pep: Fixed a possible traceback during disco#items queries on a user's bare JID by remote users.
Waqas Hussain <waqas20@gmail.com>
parents: 3132
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292 local stanza = event.stanza;
1eec2bd19bf7 mod_pep: Fixed a possible traceback during disco#items queries on a user's bare JID by remote users.
Waqas Hussain <waqas20@gmail.com>
parents: 3132
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293 local bare = stanza.attr.to;
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Waqas Hussain <waqas20@gmail.com>
parents: 2327
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294 local user_data = data[bare];
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295
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296 if user_data then
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Waqas Hussain <waqas20@gmail.com>
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297 for node, _ in pairs(user_data) do
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470004f8f4ed mod_pep: Added a TODO.
Waqas Hussain <waqas20@gmail.com>
parents: 2384
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298 stanza:tag('item', {jid=bare, node=node}):up(); -- TODO we need to handle queries to these nodes
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299 end
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Waqas Hussain <waqas20@gmail.com>
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300 end
7bec10f26082 mod_pep: Handle service discovery queries for bare account JIDs (thanks darkrain).
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301 end);