verse
ad8a918fa6e6
plugins/disco.lua

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plugins/disco.lua @ 266:ad8a918fa6e6

plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
author Kim Alvefur <zash@zash.se>
date Fri, 16 Dec 2011 22:00:41 +0100
parent 250:a5ac643a7fd6
child 267:d30897e4f5c2
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1 -- Verse XMPP Library
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2 -- Copyright (C) 2010 Hubert Chathi <hubert@uhoreg.ca>
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3 -- Copyright (C) 2010 Matthew Wild <mwild1@gmail.com>
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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 verse = require "verse";
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10 local b64 = require("mime").b64;
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11 local sha1 = require("util.sha1").sha1;
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12
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13 local xmlns_caps = "http://jabber.org/protocol/caps";
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14 local xmlns_disco = "http://jabber.org/protocol/disco";
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15 local xmlns_disco_info = xmlns_disco.."#info";
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16 local xmlns_disco_items = xmlns_disco.."#items";
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17
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18 function verse.plugins.disco(stream)
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19 stream:add_plugin("presence");
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20 local disco_info_mt = {
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21 __index = function(t, k)
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22 local node = { identities = {}, features = {} };
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23 if k == "identities" or k == "features" then
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24 return t[false][k]
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25 end
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26 t[k] = node;
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27 return node;
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28 end,
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29 };
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30 local disco_items_mt = {
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31 __index = function(t, k)
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32 local node = { };
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33 t[k] = node;
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34 return node;
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35 end,
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36 };
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37 stream.disco = {
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38 cache = {},
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39 info = setmetatable({
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40 [false] = {
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41 identities = {
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42 {category = 'client', type='pc', name='Verse'},
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43 },
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44 features = {
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45 [xmlns_caps] = true,
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46 [xmlns_disco_info] = true,
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47 [xmlns_disco_items] = true,
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48 },
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49 },
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50 }, disco_info_mt);
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51 items = setmetatable({[false]={}}, disco_items_mt);
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52 };
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53
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54 stream.caps = {}
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55 stream.caps.node = 'http://code.matthewwild.co.uk/verse/'
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56
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57 local function cmp_identity(item1, item2)
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58 if item1.category < item2.category then
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59 return true;
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60 elseif item2.category < item1.category then
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61 return false;
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62 end
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63 if item1.type < item2.type then
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64 return true;
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65 elseif item2.type < item1.type then
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66 return false;
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67 end
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68 if (not item1['xml:lang'] and item2['xml:lang']) or
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69 (item2['xml:lang'] and item1['xml:lang'] < item2['xml:lang']) then
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70 return true
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71 end
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72 return false
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73 end
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74
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75 local function cmp_feature(item1, item2)
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76 return item1.var < item2.var
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77 end
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78
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79 local function calculate_hash(node)
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80 local identities = stream.disco.info[node or false].identities;
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81 table.sort(identities, cmp_identity)
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82 local features = {};
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83 for var in pairs(stream.disco.info[node or false].features) do
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84 features[#features+1] = { var = var };
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85 end
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86 table.sort(features, cmp_feature)
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87 local S = {};
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88 for key,identity in pairs(identities) do
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89 S[#S+1] = table.concat({
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90 identity.category, identity.type or '',
99
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91 identity['xml:lang'] or '', identity.name or ''
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92 }, '/');
99
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93 end
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94 for key,feature in pairs(features) do
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95 S[#S+1] = feature.var
99
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96 end
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97 S[#S+1] = '';
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98 S = table.concat(S,'<');
99
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99 -- FIXME: make sure S is utf8-encoded
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100 --stream:debug("Computed hash string: "..S);
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101 --stream:debug("Computed hash string (sha1): "..sha1(S, true));
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102 --stream:debug("Computed hash string (sha1+b64): "..b64(sha1(S)));
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103 return (b64(sha1(S)))
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104 end
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105
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diff changeset
106 setmetatable(stream.caps, {
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diff changeset
107 __call = function (...) -- vararg: allow calling as function or member
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108 -- retrieve the c stanza to insert into the
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diff changeset
109 -- presence stanza
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diff changeset
110 local hash = calculate_hash()
266
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diff changeset
111 stream.caps.hash = hash;
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diff changeset
112 -- TODO proper caching.... some day
197
7e98cf2c1d8d plugins.*: Use verse.stanza() & co instead of require util.stanza
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parents: 180
diff changeset
113 return verse.stanza('c', {
176
6004486e8b6c plugins.disco,compression: Use xmlns_* variables
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diff changeset
114 xmlns = xmlns_caps,
99
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115 hash = 'sha-1',
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116 node = stream.caps.node,
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117 ver = hash
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118 })
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119 end
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120 })
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121
266
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diff changeset
122 function stream:add_disco_feature(feature, node)
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diff changeset
123 local feature = feature.var or feature;
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124 self.disco.info[node or false].features[feature] = true;
179
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diff changeset
125 stream:resend_presence();
99
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126 end
113
769366a8b238 verse.plugins.disco: Add stream:remove_disco_feature()
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127
266
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128 function stream:remove_disco_feature(feature, node)
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129 local feature = feature.var or feature;
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130 self.disco.info[node or false].features[feature] = nil;
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131 stream:resend_presence();
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diff changeset
132 end
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133
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134 function stream:add_disco_item(item, node)
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135 local items = self.disco.items[node or false];
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136 items[#items +1] = item;
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diff changeset
137 end
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138
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diff changeset
139 function stream:remove_disco_item(item, node)
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140 local items = self.disco.items[node or false];
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141 for i=#items,1,-1 do
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142 if items[i] == item then
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diff changeset
143 table.remove(items, i);
113
769366a8b238 verse.plugins.disco: Add stream:remove_disco_feature()
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144 end
769366a8b238 verse.plugins.disco: Add stream:remove_disco_feature()
Matthew Wild <mwild1@gmail.com>
parents: 112
diff changeset
145 end
769366a8b238 verse.plugins.disco: Add stream:remove_disco_feature()
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146 end
99
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147
266
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148 -- TODO Node?
99
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149 function stream:jid_has_identity(jid, category, type)
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150 local cached_disco = self.disco.cache[jid];
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151 if not cached_disco then
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152 return nil, "no-cache";
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153 end
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154 local identities = self.disco.cache[jid].identities;
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155 if type then
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156 return identities[category.."/"..type] or false;
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157 end
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158 -- Check whether we have any identities with this category instead
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159 for identity in pairs(identities) do
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160 if identity:match("^(.*)/") == category then
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161 return true;
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162 end
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163 end
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164 end
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165
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diff changeset
166 function stream:jid_supports(jid, feature)
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167 local cached_disco = self.disco.cache[jid];
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diff changeset
168 if not cached_disco or not cached_disco.features then
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169 return nil, "no-cache";
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170 end
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diff changeset
171 return cached_disco.features[feature] or false;
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172 end
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173
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diff changeset
174 function stream:get_local_services(category, type)
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diff changeset
175 local host_disco = self.disco.cache[self.host];
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diff changeset
176 if not(host_disco) or not(host_disco.items) then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
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diff changeset
177 return nil, "no-cache";
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178 end
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179
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diff changeset
180 local results = {};
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diff changeset
181 for _, service in ipairs(host_disco.items) do
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
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diff changeset
182 if self:jid_has_identity(service.jid, category, type) then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
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diff changeset
183 table.insert(results, service.jid);
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184 end
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185 end
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parents:
diff changeset
186 return results;
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187 end
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188
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diff changeset
189 function stream:disco_local_services(callback)
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diff changeset
190 self:disco_items(self.host, nil, function (items)
172
1a32e9ae79d0 plugins.disco: Fix disco_local_services() to call callback with empty array in case of disco error
Matthew Wild <mwild1@gmail.com>
parents: 167
diff changeset
191 if not items then
1a32e9ae79d0 plugins.disco: Fix disco_local_services() to call callback with empty array in case of disco error
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parents: 167
diff changeset
192 return callback({});
1a32e9ae79d0 plugins.disco: Fix disco_local_services() to call callback with empty array in case of disco error
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parents: 167
diff changeset
193 end
99
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diff changeset
194 local n_items = 0;
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diff changeset
195 local function item_callback()
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196 n_items = n_items - 1;
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diff changeset
197 if n_items == 0 then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
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diff changeset
198 return callback(items);
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199 end
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200 end
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201
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parents:
diff changeset
202 for _, item in ipairs(items) do
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parents:
diff changeset
203 if item.jid then
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parents:
diff changeset
204 n_items = n_items + 1;
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
205 self:disco_info(item.jid, nil, item_callback);
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
206 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
207 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
208 if n_items == 0 then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
209 return callback(items);
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
210 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
211 end);
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
212 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
213
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
214 function stream:disco_info(jid, node, callback)
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
215 local disco_request = verse.iq({ to = jid, type = "get" })
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
216 :tag("query", { xmlns = xmlns_disco_info, node = node });
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
217 self:send_iq(disco_request, function (result)
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
218 if result.attr.type == "error" then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
219 return callback(nil, result:get_error());
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
220 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
221
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
222 local identities, features = {}, {};
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
223
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
224 for tag in result:get_child("query", xmlns_disco_info):childtags() do
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
225 if tag.name == "identity" then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
226 identities[tag.attr.category.."/"..tag.attr.type] = tag.attr.name or true;
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
227 elseif tag.name == "feature" then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
228 features[tag.attr.var] = true;
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
229 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
230 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
231
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
232
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
233 if not self.disco.cache[jid] then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
234 self.disco.cache[jid] = { nodes = {} };
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
235 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
236
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
237 if node then
119
989cb40f8e62 plugins.disco: Fixes for storing/retrieving items from the disco cache.
Matthew Wild <mwild1@gmail.com>
parents: 115
diff changeset
238 if not self.disco.cache[jid].nodes[node] then
989cb40f8e62 plugins.disco: Fixes for storing/retrieving items from the disco cache.
Matthew Wild <mwild1@gmail.com>
parents: 115
diff changeset
239 self.disco.cache[jid].nodes[node] = { nodes = {} };
99
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
240 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
241 self.disco.cache[jid].nodes[node].identities = identities;
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
242 self.disco.cache[jid].nodes[node].features = features;
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
243 else
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
244 self.disco.cache[jid].identities = identities;
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
245 self.disco.cache[jid].features = features;
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
246 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
247 return callback(self.disco.cache[jid]);
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
248 end);
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
249 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
250
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
251 function stream:disco_items(jid, node, callback)
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
252 local disco_request = verse.iq({ to = jid, type = "get" })
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
253 :tag("query", { xmlns = xmlns_disco_items, node = node });
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
254 self:send_iq(disco_request, function (result)
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
255 if result.attr.type == "error" then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
256 return callback(nil, result:get_error());
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
257 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
258 local disco_items = { };
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
259 for tag in result:get_child("query", xmlns_disco_items):childtags() do
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
260 if tag.name == "item" then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
261 table.insert(disco_items, {
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
262 name = tag.attr.name;
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
263 jid = tag.attr.jid;
120
47449a29d8ed plugins.disco: Store node of disco items
Matthew Wild <mwild1@gmail.com>
parents: 119
diff changeset
264 node = tag.attr.node;
99
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
265 });
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
266 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
267 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
268
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
269 if not self.disco.cache[jid] then
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
270 self.disco.cache[jid] = { nodes = {} };
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
271 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
272
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
273 if node then
121
9b31ac5a37ea plugins.disco: Further fixes to storing and retrieving to/from the disco cache
Matthew Wild <mwild1@gmail.com>
parents: 120
diff changeset
274 if not self.disco.cache[jid].nodes[node] then
9b31ac5a37ea plugins.disco: Further fixes to storing and retrieving to/from the disco cache
Matthew Wild <mwild1@gmail.com>
parents: 120
diff changeset
275 self.disco.cache[jid].nodes[node] = { nodes = {} };
99
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
276 end
121
9b31ac5a37ea plugins.disco: Further fixes to storing and retrieving to/from the disco cache
Matthew Wild <mwild1@gmail.com>
parents: 120
diff changeset
277 self.disco.cache[jid].nodes[node].items = disco_items;
99
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
278 else
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
279 self.disco.cache[jid].items = disco_items;
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
280 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
281 return callback(disco_items);
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
282 end);
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
283 end
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
284
176
6004486e8b6c plugins.disco,compression: Use xmlns_* variables
Kim Alvefur <zash@zash.se>
parents: 175
diff changeset
285 stream:hook("iq/"..xmlns_disco_info, function (stanza)
266
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
286 local query = stanza.tags[1];
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
287 if stanza.attr.type == 'get' and query.name == "query" then
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
288 local query_node = query.attr.node;
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
289 local node = stream.disco.info[query_node or false];
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
290 if query_node and query_node == stream.caps.node .. "#" .. stream.caps.hash then
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
291 node = stream.disco.info[false];
99
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
292 end
266
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
293 local identities, features = node.identities, node.features
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
294
99
0f5a8d530fcd verse.plugins.disco: Add disco plugin originally developed by Hubert Chathi for Riddim, but here adapted for Verse with new APIs added to allow disco'ing the local server and remote entities
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
295 -- construct the response
266
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
296 local result = verse.reply(stanza):tag("query", {
176
6004486e8b6c plugins.disco,compression: Use xmlns_* variables
Kim Alvefur <zash@zash.se>
parents: 175
diff changeset
297 xmlns = xmlns_disco_info,
266
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
298 node = query_node,
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
299 });
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
Kim Alvefur <zash@zash.se>
parents: 250
diff changeset
300 for _,identity in pairs(identities) do
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301 result:tag('identity', identity):up()
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302 end
266
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303 for feature in pairs(features) do
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304 result:tag('feature', { var = feature }):up()
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305 end
266
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306 stream:send(result);
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307 return true
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308 end
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309 end);
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310
176
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311 stream:hook("iq/"..xmlns_disco_items, function (stanza)
266
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312 local query = stanza.tags[1];
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313 if stanza.attr.type == 'get' and query.name == "query" then
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314 -- figure out what items to send
266
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315 local items = stream.disco.items[query.attr.node or false];
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316
99
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317 -- construct the response
266
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318 local result = verse.reply(stanza):tag('query',{
176
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319 xmlns = xmlns_disco_items,
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320 node = query.attr.node
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321 })
266
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322 for i=1,#items do
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323 result:tag('item', items[i]):up()
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324 end
266
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325 stream:send(result);
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326 return true
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327 end
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328 end);
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329
109
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diff changeset
330 local initial_disco_started;
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331 stream:hook("ready", function ()
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332 if initial_disco_started then return; end
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333 initial_disco_started = true;
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334 stream:disco_local_services(function (services)
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335 for _, service in ipairs(services) do
146
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diff changeset
336 local service_disco_info = stream.disco.cache[service.jid];
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337 if service_disco_info then
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338 for identity in pairs(service_disco_info.identities) do
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339 local category, type = identity:match("^(.*)/(.*)$");
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340 stream:event("disco/service-discovered/"..category, {
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341 type = type, jid = service.jid;
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342 });
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343 end
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344 end
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345 end
109
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346 stream:event("ready");
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347 end);
109
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diff changeset
348 return true;
212
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diff changeset
349 end, 50);
167
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350
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diff changeset
351 stream:hook("presence-out", function (presence)
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352 if not presence:get_child("c", xmlns_caps) then
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353 presence:reset():add_child(stream:caps()):reset();
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diff changeset
354 end
179
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diff changeset
355 end, 10);
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356 end
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357
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diff changeset
358 -- end of disco.lua