verse
b2198cd64c5a
plugins/disco.lua

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plugins/disco.lua @ 473:b2198cd64c5a

disco: Add support for extended disco forms
author Matthew Wild <mwild1@gmail.com>
date Fri, 17 Mar 2023 11:12:01 +0000
parent 429:46897d7769c3
child 474:fca0c7672148
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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.hashes").sha1;
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12 local calculate_hash = require "util.caps".calculate_hash;
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13
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14 local xmlns_caps = "http://jabber.org/protocol/caps";
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15 local xmlns_disco = "http://jabber.org/protocol/disco";
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16 local xmlns_disco_info = xmlns_disco.."#info";
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17 local xmlns_disco_items = xmlns_disco.."#items";
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18
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19 function verse.plugins.disco(stream)
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20 stream:add_plugin("presence");
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21 local disco_info_mt = {
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22 __index = function(t, k)
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23 local node = { identities = {}, features = {} };
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24 if k == "identities" or k == "features" then
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25 return t[false][k]
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26 end
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27 t[k] = node;
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28 return node;
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29 end,
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30 };
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31 local disco_items_mt = {
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32 __index = function(t, k)
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33 local node = { };
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34 t[k] = node;
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35 return node;
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36 end,
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37 };
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38 stream.disco = {
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39 cache = {},
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40 info = setmetatable({
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41 [false] = {
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42 identities = {
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43 {category = 'client', type='pc', name='Verse'},
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44 },
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45 features = {
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46 [xmlns_caps] = true,
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47 [xmlns_disco_info] = true,
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48 [xmlns_disco_items] = true,
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49 },
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50 },
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51 }, disco_info_mt);
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52 items = setmetatable({[false]={}}, disco_items_mt);
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53 };
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55 stream.caps = {}
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56 stream.caps.node = 'http://code.matthewwild.co.uk/verse/'
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57
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58 local function build_self_disco_info_stanza(query_node)
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59 local node = stream.disco.info[query_node or false];
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60 if query_node and query_node == stream.caps.node .. "#" .. stream.caps.hash then
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61 node = stream.disco.info[false];
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62 end
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63 local identities, features = node.identities, node.features
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64
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65 -- construct the response
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66 local result = verse.stanza("query", {
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67 xmlns = xmlns_disco_info,
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68 node = query_node,
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69 });
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70 for _,identity in pairs(identities) do
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71 result:tag('identity', identity):up()
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72 end
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73 for feature in pairs(features) do
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74 result:tag('feature', { var = feature }):up()
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75 end
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76 return result;
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77 end
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78
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79 setmetatable(stream.caps, {
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80 __call = function (...) -- vararg: allow calling as function or member
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81 -- retrieve the c stanza to insert into the
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82 -- presence stanza
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83 local hash = calculate_hash(build_self_disco_info_stanza())
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84 stream.caps.hash = hash;
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85 -- TODO proper caching.... some day
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86 return verse.stanza('c', {
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87 xmlns = xmlns_caps,
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88 hash = 'sha-1',
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89 node = stream.caps.node,
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90 ver = hash
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91 })
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92 end
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93 })
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94
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95 function stream:set_identity(identity, node)
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96 self.disco.info[node or false].identities = { identity };
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97 stream:resend_presence();
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98 end
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99
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100 function stream:add_identity(identity, node)
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101 local identities = self.disco.info[node or false].identities;
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102 identities[#identities + 1] = identity;
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103 stream:resend_presence();
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104 end
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105
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106 function stream:add_disco_feature(feature, node)
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107 local feature = feature.var or feature;
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108 self.disco.info[node or false].features[feature] = true;
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109 stream:resend_presence();
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110 end
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111
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112 function stream:remove_disco_feature(feature, node)
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113 local feature = feature.var or feature;
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parents: 250
diff changeset
114 self.disco.info[node or false].features[feature] = nil;
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parents: 250
diff changeset
115 stream:resend_presence();
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parents: 250
diff changeset
116 end
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diff changeset
117
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diff changeset
118 function stream:add_disco_item(item, node)
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diff changeset
119 local items = self.disco.items[node or false];
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parents: 250
diff changeset
120 items[#items +1] = item;
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diff changeset
121 end
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diff changeset
122
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
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diff changeset
123 function stream:remove_disco_item(item, node)
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parents: 250
diff changeset
124 local items = self.disco.items[node or false];
ad8a918fa6e6 plugins.disco: A little cleanup and a bit of rewrite with a touch of premature optimization.
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diff changeset
125 for i=#items,1,-1 do
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diff changeset
126 if items[i] == item then
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diff changeset
127 table.remove(items, i);
113
769366a8b238 verse.plugins.disco: Add stream:remove_disco_feature()
Matthew Wild <mwild1@gmail.com>
parents: 112
diff changeset
128 end
769366a8b238 verse.plugins.disco: Add stream:remove_disco_feature()
Matthew Wild <mwild1@gmail.com>
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diff changeset
129 end
769366a8b238 verse.plugins.disco: Add stream:remove_disco_feature()
Matthew Wild <mwild1@gmail.com>
parents: 112
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130 end
99
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131
266
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diff changeset
132 -- TODO Node?
99
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133 function stream:jid_has_identity(jid, category, type)
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134 local cached_disco = self.disco.cache[jid];
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135 if not cached_disco then
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136 return nil, "no-cache";
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137 end
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diff changeset
138 local identities = self.disco.cache[jid].identities;
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139 if type then
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140 return identities[category.."/"..type] or false;
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141 end
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142 -- Check whether we have any identities with this category instead
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143 for identity in pairs(identities) do
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144 if identity:match("^(.*)/") == category then
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145 return true;
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146 end
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147 end
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148 end
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149
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diff changeset
150 function stream:jid_supports(jid, feature)
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151 local cached_disco = self.disco.cache[jid];
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152 if not cached_disco or not cached_disco.features then
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153 return nil, "no-cache";
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154 end
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155 return cached_disco.features[feature] or false;
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156 end
380
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157
99
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diff changeset
158 function stream:get_local_services(category, type)
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diff changeset
159 local host_disco = self.disco.cache[self.host];
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
160 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
161 return nil, "no-cache";
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162 end
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diff changeset
163
99
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parents:
diff changeset
164 local results = {};
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
165 for _, service in ipairs(host_disco.items) do
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diff changeset
166 if self:jid_has_identity(service.jid, category, type) then
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diff changeset
167 table.insert(results, service.jid);
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diff changeset
168 end
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169 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
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diff changeset
170 return results;
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171 end
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172
99
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diff changeset
173 function stream:disco_local_services(callback)
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parents:
diff changeset
174 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
175 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
176 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
177 end
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
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parents:
diff changeset
178 local n_items = 0;
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
179 local function 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
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diff changeset
180 n_items = n_items - 1;
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parents:
diff changeset
181 if n_items == 0 then
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parents:
diff changeset
182 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
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diff changeset
183 end
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diff changeset
184 end
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diff changeset
185
99
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parents:
diff changeset
186 for _, item in ipairs(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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parents:
diff changeset
187 if item.jid then
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parents:
diff changeset
188 n_items = n_items + 1;
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parents:
diff changeset
189 self:disco_info(item.jid, nil, item_callback);
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190 end
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parents:
diff changeset
191 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
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diff changeset
192 if n_items == 0 then
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parents:
diff changeset
193 return callback(items);
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diff changeset
194 end
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Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
195 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
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196 end
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diff changeset
197
99
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diff changeset
198 function stream:disco_info(jid, node, callback)
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parents:
diff changeset
199 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
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diff changeset
200 :tag("query", { xmlns = xmlns_disco_info, node = node });
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parents:
diff changeset
201 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
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parents:
diff changeset
202 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
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parents:
diff changeset
203 return callback(nil, result:get_error());
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parents:
diff changeset
204 end
380
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diff changeset
205
473
b2198cd64c5a disco: Add support for extended disco forms
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parents: 429
diff changeset
206 local identities, features, extended = {}, {}, {};
380
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diff changeset
207
99
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parents:
diff changeset
208 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
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parents:
diff changeset
209 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
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parents:
diff changeset
210 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
211 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
212 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
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parents:
diff changeset
213 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
214 end
380
0891b4e27766 Discard trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 267
diff changeset
215
473
b2198cd64c5a disco: Add support for extended disco forms
Matthew Wild <mwild1@gmail.com>
parents: 429
diff changeset
216 for tag in result:get_child("query", xmlns_disco_info):childtags("x", "jabber:x:data") do
b2198cd64c5a disco: Add support for extended disco forms
Matthew Wild <mwild1@gmail.com>
parents: 429
diff changeset
217 local form_type_field = tag:get_child_with_attr("field", nil, "var", "FORM_TYPE");
b2198cd64c5a disco: Add support for extended disco forms
Matthew Wild <mwild1@gmail.com>
parents: 429
diff changeset
218 local form_type = form_type_field and form_type_field:get_child_text("value");
b2198cd64c5a disco: Add support for extended disco forms
Matthew Wild <mwild1@gmail.com>
parents: 429
diff changeset
219 if form_type then
b2198cd64c5a disco: Add support for extended disco forms
Matthew Wild <mwild1@gmail.com>
parents: 429
diff changeset
220 extended[form_type] = tag;
b2198cd64c5a disco: Add support for extended disco forms
Matthew Wild <mwild1@gmail.com>
parents: 429
diff changeset
221 end
b2198cd64c5a disco: Add support for extended disco forms
Matthew Wild <mwild1@gmail.com>
parents: 429
diff changeset
222 end
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
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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 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
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parents:
diff changeset
225 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
226 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
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parents:
diff changeset
227
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 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
229 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
230 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
231 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
232 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
233 self.disco.cache[jid].nodes[node].features = features;
473
b2198cd64c5a disco: Add support for extended disco forms
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parents: 429
diff changeset
234 self.disco.cache[jid].nodes[node].extended = extended;
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
235 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
236 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
237 self.disco.cache[jid].features = features;
473
b2198cd64c5a disco: Add support for extended disco forms
Matthew Wild <mwild1@gmail.com>
parents: 429
diff changeset
238 self.disco.cache[jid].extended = extended;
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
239 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
240 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
241 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
242 end
380
0891b4e27766 Discard trailing whitespace
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parents: 267
diff changeset
243
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
244 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
245 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
246 :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
247 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
248 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
249 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
250 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
251 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
252 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
253 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
254 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
255 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
256 jid = tag.attr.jid;
120
47449a29d8ed plugins.disco: Store node of disco items
Matthew Wild <mwild1@gmail.com>
parents: 119
diff changeset
257 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
258 });
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 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
260 end
380
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Kim Alvefur <zash@zash.se>
parents: 267
diff changeset
261
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
262 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
263 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
264 end
380
0891b4e27766 Discard trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 267
diff changeset
265
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
266 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
267 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
268 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
269 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
270 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
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parents:
diff changeset
271 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
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parents:
diff changeset
272 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
273 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
274 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
275 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
276 end
380
0891b4e27766 Discard trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 267
diff changeset
277
176
6004486e8b6c plugins.disco,compression: Use xmlns_* variables
Kim Alvefur <zash@zash.se>
parents: 175
diff changeset
278 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
279 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
280 if stanza.attr.type == 'get' and query.name == "query" then
423
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
281 local query_tag = build_self_disco_info_stanza(query.attr.node);
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
282 local result = verse.reply(stanza):add_child(query_tag);
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
283 stream:send(result);
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
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parents:
diff changeset
284 return 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
285 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
286 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
287
176
6004486e8b6c plugins.disco,compression: Use xmlns_* variables
Kim Alvefur <zash@zash.se>
parents: 175
diff changeset
288 stream:hook("iq/"..xmlns_disco_items, 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
289 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
290 if stanza.attr.type == 'get' and query.name == "query" then
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
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parents:
diff changeset
291 -- figure out what items to send
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
292 local items = stream.disco.items[query.attr.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
293
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
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parents:
diff changeset
294 -- 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
295 local result = verse.reply(stanza):tag('query',{
176
6004486e8b6c plugins.disco,compression: Use xmlns_* variables
Kim Alvefur <zash@zash.se>
parents: 175
diff changeset
296 xmlns = xmlns_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
297 node = query.attr.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
298 })
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
299 for i=1,#items do
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 result:tag('item', items[i]):up()
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
301 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
302 stream:send(result);
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
303 return 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
304 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
305 end);
380
0891b4e27766 Discard trailing whitespace
Kim Alvefur <zash@zash.se>
parents: 267
diff changeset
306
109
60a03b2cabec verse.plugins.disco: Auto-disco local services on connect, and delay 'ready' event until done
Matthew Wild <mwild1@gmail.com>
parents: 99
diff changeset
307 local initial_disco_started;
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
308 stream:hook("ready", function ()
109
60a03b2cabec verse.plugins.disco: Auto-disco local services on connect, and delay 'ready' event until done
Matthew Wild <mwild1@gmail.com>
parents: 99
diff changeset
309 if initial_disco_started then return; end
60a03b2cabec verse.plugins.disco: Auto-disco local services on connect, and delay 'ready' event until done
Matthew Wild <mwild1@gmail.com>
parents: 99
diff changeset
310 initial_disco_started = true;
423
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
311
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
312 -- Using the disco cache, fires events for each identity of a given JID
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
313 local function scan_identities_for_service(service_jid)
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
314 local service_disco_info = stream.disco.cache[service_jid];
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
315 if service_disco_info then
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
316 for identity in pairs(service_disco_info.identities) do
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
317 local category, type = identity:match("^(.*)/(.*)$");
e98cef597393 plugins.disco: Fix to use util.caps instead of broken hacky implementation
Matthew Wild <mwild1@gmail.com>
parents: 392
diff changeset
318 print(service_jid, category, type)
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319 stream:event("disco/service-discovered/"..category, {
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320 type = type, jid = service_jid;
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321 });
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322 end
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323 end
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324 end
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325
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326 stream:disco_info(stream.host, nil, function ()
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327 scan_identities_for_service(stream.host);
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328 end);
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329
99
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330 stream:disco_local_services(function (services)
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331 for _, service in ipairs(services) do
423
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332 scan_identities_for_service(service.jid);
99
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333 end
109
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334 stream:event("ready");
99
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335 end);
109
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336 return true;
212
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337 end, 50);
380
0891b4e27766 Discard trailing whitespace
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338
167
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339 stream:hook("presence-out", function (presence)
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340 presence:remove_children("c", xmlns_caps);
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341 presence:reset():add_child(stream:caps()):reset();
179
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342 end, 10);
99
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343 end
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344
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345 -- end of disco.lua