Tue, 21 Dec 2010 03:30:18 +0000
mod_pubsub: Fix capabilities table from some debugging
3619 | 1 | local pubsub = require "util.pubsub"; |
2 | local st = require "util.stanza"; | |
3 | local jid_bare = require "util.jid".bare; | |
4 | local uuid_generate = require "util.uuid".generate; | |
5 | ||
6 | require "core.modulemanager".load(module.host, "iq"); | |
7 | ||
8 | local xmlns_pubsub = "http://jabber.org/protocol/pubsub"; | |
9 | local xmlns_pubsub_errors = "http://jabber.org/protocol/pubsub#errors"; | |
10 | local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event"; | |
11 | ||
12 | local service; | |
13 | ||
14 | local handlers = {}; | |
15 | ||
16 | function handle_pubsub_iq(event) | |
17 | local origin, stanza = event.origin, event.stanza; | |
18 | local pubsub = stanza.tags[1]; | |
19 | local action = pubsub.tags[1]; | |
20 | local handler = handlers[stanza.attr.type.."_"..action.name]; | |
21 | if handler then | |
22 | handler(origin, stanza, action); | |
23 | return true; | |
24 | end | |
25 | end | |
26 | ||
27 | local pubsub_errors = { | |
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28 | ["conflict"] = { "cancel", "conflict" }; |
3619 | 29 | ["invalid-jid"] = { "modify", "bad-request", nil, "invalid-jid" }; |
30 | ["item-not-found"] = { "cancel", "item-not-found" }; | |
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31 | ["not-subscribed"] = { "modify", "unexpected-request", nil, "not-subscribed" }; |
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32 | ["forbidden"] = { "cancel", "forbidden" }; |
3619 | 33 | }; |
34 | function pubsub_error_reply(stanza, error) | |
35 | local e = pubsub_errors[error]; | |
36 | local reply = st.error_reply(stanza, unpack(e, 1, 3)); | |
37 | if e[4] then | |
38 | reply:tag(e[4], { xmlns = xmlns_pubsub_errors }):up(); | |
39 | end | |
40 | return reply; | |
41 | end | |
42 | ||
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43 | function handlers.get_items(origin, stanza, items) |
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44 | local node = items.attr.node; |
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45 | local item = items:get_child("item"); |
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46 | local id = item and item.attr.id; |
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47 | |
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mod_pubsub: Update for latest util.pubsub and fix some bugs. New config options autocreate_on_publish, autocreate_on_subscribe and default_admin_affiliation.
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48 | local ok, results = service:get_items(node, stanza.attr.from, id); |
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49 | if not ok then |
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50 | return origin.send(pubsub_error_reply(stanza, results)); |
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51 | end |
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52 | |
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53 | local data = st.stanza("items", { node = node }); |
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54 | for _, entry in pairs(results) do |
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55 | data:add_child(entry); |
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56 | end |
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57 | if data then |
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58 | reply = st.reply(stanza) |
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59 | :tag("pubsub", { xmlns = xmlns_pubsub }) |
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60 | :add_child(data); |
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61 | else |
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62 | reply = pubsub_error_reply(stanza, "item-not-found"); |
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63 | end |
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64 | return origin.send(reply); |
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65 | end |
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66 | |
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67 | function handlers.set_create(origin, stanza, create) |
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68 | local node = create.attr.node; |
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69 | local ok, ret, reply; |
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70 | if node then |
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71 | ok, ret = service:create(node, stanza.attr.from); |
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72 | if ok then |
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73 | reply = st.reply(stanza); |
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74 | else |
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75 | reply = pubsub_error_reply(stanza, ret); |
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76 | end |
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77 | else |
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78 | repeat |
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79 | node = uuid_generate(); |
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80 | ok, ret = service:create(node, stanza.attr.from); |
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81 | until ok or ret ~= "conflict"; |
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82 | if ok then |
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83 | reply = st.reply(stanza) |
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84 | :tag("pubsub", { xmlns = xmlns_pubsub }) |
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85 | :tag("create", { node = node }); |
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86 | else |
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87 | reply = pubsub_error_reply(stanza, ret); |
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88 | end |
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89 | end |
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90 | return origin.send(reply); |
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91 | end |
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92 | |
3619 | 93 | function handlers.set_subscribe(origin, stanza, subscribe) |
94 | local node, jid = subscribe.attr.node, subscribe.attr.jid; | |
95 | if jid_bare(jid) ~= jid_bare(stanza.attr.from) then | |
96 | return origin.send(pubsub_error_reply(stanza, "invalid-jid")); | |
97 | end | |
98 | local ok, ret = service:add_subscription(node, stanza.attr.from, jid); | |
99 | local reply; | |
100 | if ok then | |
101 | reply = st.reply(stanza) | |
102 | :tag("pubsub", { xmlns = xmlns_pubsub }) | |
103 | :tag("subscription", { | |
104 | node = node, | |
105 | jid = jid, | |
106 | subscription = "subscribed" | |
107 | }); | |
108 | else | |
109 | reply = pubsub_error_reply(stanza, ret); | |
110 | end | |
111 | return origin.send(reply); | |
112 | end | |
113 | ||
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114 | function handlers.set_unsubscribe(origin, stanza, unsubscribe) |
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115 | local node, jid = unsubscribe.attr.node, unsubscribe.attr.jid; |
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116 | if jid_bare(jid) ~= jid_bare(stanza.attr.from) then |
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117 | return origin.send(pubsub_error_reply(stanza, "invalid-jid")); |
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118 | end |
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119 | local ok, ret = service:remove_subscription(node, stanza.attr.from, jid); |
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120 | local reply; |
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121 | if ok then |
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122 | reply = st.reply(stanza); |
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123 | else |
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124 | reply = pubsub_error_reply(stanza, ret); |
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125 | end |
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126 | return origin.send(reply); |
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127 | end |
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128 | |
3619 | 129 | function handlers.set_publish(origin, stanza, publish) |
130 | local node = publish.attr.node; | |
131 | local item = publish:get_child("item"); | |
132 | local id = (item and item.attr.id) or uuid_generate(); | |
133 | local ok, ret = service:publish(node, stanza.attr.from, id, item); | |
134 | local reply; | |
135 | if ok then | |
136 | reply = st.reply(stanza) | |
137 | :tag("pubsub", { xmlns = xmlns_pubsub }) | |
138 | :tag("publish", { node = node }) | |
139 | :tag("item", { id = id }); | |
140 | else | |
141 | reply = pubsub_error_reply(stanza, ret); | |
142 | end | |
143 | return origin.send(reply); | |
144 | end | |
145 | ||
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146 | function handlers.set_retract(origin, stanza, retract) |
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147 | local node, notify = retract.attr.node, retract.attr.notify; |
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148 | notify = (notify == "1") or (notify == "true"); |
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149 | local item = retract:get_child("item"); |
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150 | local id = item and item.attr.id |
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151 | local reply, notifier; |
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152 | if notify then |
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153 | notifier = st.stanza("retract", { id = id }); |
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154 | end |
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155 | local ok, ret = service:retract(node, stanza.attr.from, id, notifier); |
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156 | if ok then |
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157 | reply = st.reply(stanza); |
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158 | else |
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159 | reply = pubsub_error_reply(stanza, ret); |
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160 | end |
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161 | return origin.send(reply); |
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162 | end |
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163 | |
3619 | 164 | function simple_broadcast(node, jids, item) |
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165 | item = st.clone(item); |
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166 | item.attr.xmlns = nil; -- Clear the pubsub namespace |
3619 | 167 | local message = st.message({ from = module.host, type = "headline" }) |
168 | :tag("event", { xmlns = xmlns_pubsub_event }) | |
169 | :tag("items", { node = node }) | |
170 | :add_child(item); | |
171 | for jid in pairs(jids) do | |
172 | module:log("debug", "Sending notification to %s", jid); | |
173 | message.attr.to = jid; | |
174 | core_post_stanza(hosts[module.host], message); | |
175 | end | |
176 | end | |
177 | ||
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178 | module:hook("iq/host/http://jabber.org/protocol/pubsub:pubsub", handle_pubsub_iq); |
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179 | |
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180 | local disco_info = st.stanza("query", { xmlns = "http://jabber.org/protocol/disco#info" }) |
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181 | :tag("identity", { category = "pubsub", type = "service" }):up() |
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182 | :tag("feature", { var = "http://jabber.org/protocol/pubsub" }):up(); |
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183 | |
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184 | module:hook("iq-get/host/http://jabber.org/protocol/disco#info:query", function (event) |
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185 | event.origin.send(st.reply(event.stanza):add_child(disco_info)); |
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186 | return true; |
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187 | end); |
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188 | |
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189 | module:hook("iq-get/host/http://jabber.org/protocol/disco#items:query", function (event) |
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190 | local ok, ret = service:get_nodes(event.stanza.attr.from); |
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191 | if not ok then |
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192 | event.origin.send(pubsub_error_reply(stanza, ret)); |
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193 | else |
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194 | local reply = st.reply(event.stanza) |
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195 | :tag("query", { xmlns = "http://jabber.org/protocol/disco#items" }); |
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196 | for node, node_obj in pairs(ret) do |
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197 | reply:tag("item", { jid = module.host, node = node, name = node_obj.config.name }):up(); |
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198 | end |
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199 | event.origin.send(reply); |
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200 | end |
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201 | return true; |
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202 | end); |
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203 | |
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204 | local admin_aff = module:get_option_string("default_admin_affiliation", "owner"); |
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205 | local function get_affiliation(jid) |
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206 | if jid == module.host or usermanager.is_admin(jid, module.host) then |
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207 | return admin_aff; |
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208 | end |
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209 | end |
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210 | |
3619 | 211 | service = pubsub.new({ |
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212 | capabilities = { |
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213 | none = { |
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214 | create = false; |
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215 | publish = false; |
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216 | retract = false; |
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217 | get_nodes = true; |
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218 | |
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219 | subscribe = true; |
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220 | unsubscribe = true; |
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221 | get_subscription = true; |
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222 | get_items = true; |
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223 | |
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224 | subscribe_other = false; |
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225 | unsubscribe_other = false; |
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226 | get_subscription_other = false; |
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227 | |
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228 | be_subscribed = true; |
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229 | be_unsubscribed = true; |
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230 | |
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231 | set_affiliation = false; |
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232 | }; |
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233 | owner = { |
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234 | create = true; |
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235 | publish = true; |
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236 | retract = true; |
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237 | get_nodes = true; |
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238 | |
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239 | subscribe = true; |
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240 | unsubscribe = true; |
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241 | get_subscription = true; |
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242 | get_items = true; |
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243 | |
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244 | |
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245 | subscribe_other = true; |
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246 | unsubscribe_other = true; |
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247 | get_subscription_other = true; |
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248 | |
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249 | be_subscribed = true; |
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250 | be_unsubscribed = true; |
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251 | |
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252 | set_affiliation = true; |
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253 | }; |
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254 | }; |
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255 | |
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256 | autocreate_on_publish = module:get_option_boolean("autocreate_on_publish"); |
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257 | autocreate_on_subscribe = module:get_option_boolean("autocreate_on_subscribe"); |
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258 | |
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259 | broadcaster = simple_broadcast; |
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260 | get_affiliation = get_affiliation; |
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261 | jids_equal = function (jid1, jid2) |
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262 | return jid_bare(jid1) == jid_bare(jid2); |
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263 | end; |
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265 | module.environment.service = service; |
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267 | function module.save() |
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268 | return { service = service }; |
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269 | end |
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270 | |
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271 | function module.restore(data) |
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272 | service = data.service; |
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273 | module.environment.service = service; |
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274 | end |