prosody
4028eb4a9f7f
plugins/mod_pubsub/mod_pubsub.lua

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plugins/mod_pubsub/mod_pubsub.lua @ 9027:4028eb4a9f7f

MUC: Also prevent changing to an invisible nickname
author Kim Alvefur <zash@zash.se>
date Thu, 12 Jul 2018 02:18:46 +0200
parent 8980:4d2738b99b07
child 9039:0124e5ec1556
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local pubsub = require "util.pubsub";
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2 local st = require "util.stanza";
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3 local jid_bare = require "util.jid".bare;
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4 local usermanager = require "core.usermanager";
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f2d35eee69c9 mod_pubsub: Set an id attribute on outgoing event messages
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5 local new_id = require "util.id".medium;
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6
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7 local xmlns_pubsub = "http://jabber.org/protocol/pubsub";
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8 local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event";
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9 local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner";
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10
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11 local autocreate_on_publish = module:get_option_boolean("autocreate_on_publish", false);
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12 local autocreate_on_subscribe = module:get_option_boolean("autocreate_on_subscribe", false);
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879be73c0a58 mod_pubsub: Fix syntax error introduced in 241f02bd66ce
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parents: 7980
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13 local pubsub_disco_name = module:get_option_string("name", "Prosody PubSub Service");
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c9a72c64c3e2 mod_pubsub: Add support for including the publisher in item broadcasts
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14 local expose_publisher = module:get_option_boolean("expose_publisher", false)
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15
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16 local service;
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17
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18 local lib_pubsub = module:require "pubsub";
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19
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20 module:depends("disco");
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21 module:add_identity("pubsub", "service", pubsub_disco_name);
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22 module:add_feature("http://jabber.org/protocol/pubsub");
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23
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24 function handle_pubsub_iq(event)
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25 return lib_pubsub.handle_pubsub_iq(event, service);
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26 end
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27
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28 local node_store = module:open_store(module.name.."_nodes");
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29
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30 local function create_simple_itemstore(node_config, node_name)
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31 local archive = module:open_store("pubsub_"..node_name, "archive");
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32 return lib_pubsub.archive_itemstore(archive, node_config, nil, node_name);
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33 end
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34
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35 function simple_broadcast(kind, node, jids, item, actor, node_obj)
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36 if item then
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37 item = st.clone(item);
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38 item.attr.xmlns = nil; -- Clear the pubsub namespace
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39 if expose_publisher and actor then
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40 item.attr.publisher = actor
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41 end
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42 end
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43
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44 local id = new_id();
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45 local msg_type = node_obj and node_obj.config.message_type or "headline";
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46 local message = st.message({ from = module.host, type = msg_type, id = id })
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47 :tag("event", { xmlns = xmlns_pubsub_event })
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48 :tag(kind, { node = node })
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49
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50 if item then
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51 message:add_child(item);
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52 end
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53
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54 -- Compose a sensible textual representation of at least Atom payloads
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55 if node_obj and item and node_obj.config.include_body and item.tags[1] then
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56 local payload = item.tags[1];
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57 if payload.attr.xmlns == "http://www.w3.org/2005/Atom" then
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58 message:reset();
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59 local title = payload:get_child_text("title");
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60 local summary = payload:get_child_text("summary");
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61 if not summary and title then
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62 local author = payload:find("author/name#");
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63 summary = title;
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64 if author then
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65 summary = author .. " posted " .. summary;
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66 end
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67 end
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68 if summary then
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69 message:body(summary);
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70 end
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71 end
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72 end
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73
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74 module:broadcast(jids, message, pairs);
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75 end
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76
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77 function is_item_stanza(item)
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78 return st.is_stanza(item) and item.attr.xmlns == xmlns_pubsub and item.name == "item";
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79 end
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80
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81 module:hook("iq/host/"..xmlns_pubsub..":pubsub", handle_pubsub_iq);
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82 module:hook("iq/host/"..xmlns_pubsub_owner..":pubsub", handle_pubsub_iq);
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83
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84 local function add_disco_features_from_service(service) --luacheck: ignore 431/service
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85 for feature in lib_pubsub.get_feature_set(service) do
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86 module:add_feature(xmlns_pubsub.."#"..feature);
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87 end
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88 end
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89
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90 module:hook("host-disco-info-node", function (event)
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91 return lib_pubsub.handle_disco_info_node(event, service);
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92 end);
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93
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94 module:hook("host-disco-items-node", function (event)
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95 return lib_pubsub.handle_disco_items_node(event, service);
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96 end);
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97
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98
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99 module:hook("host-disco-items", function (event)
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100 local stanza, reply = event.stanza, event.reply;
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101 local ok, ret = service:get_nodes(stanza.attr.from);
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102 if not ok then
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103 return;
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104 end
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105 for node, node_obj in pairs(ret) do
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106 reply:tag("item", { jid = module.host, node = node, name = node_obj.config.name }):up();
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107 end
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108 end);
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109
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110 local admin_aff = module:get_option_string("default_admin_affiliation", "owner");
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111 local function get_affiliation(jid)
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112 local bare_jid = jid_bare(jid);
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113 if bare_jid == module.host or usermanager.is_admin(bare_jid, module.host) then
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114 return admin_aff;
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115 end
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116 end
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117
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118 function set_service(new_service)
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119 service = new_service;
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120 module.environment.service = service;
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121 add_disco_features_from_service(service);
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122 end
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123
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124 function module.save()
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125 return { service = service };
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126 end
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127
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128 function module.restore(data)
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129 set_service(data.service);
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130 end
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131
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132 function module.load()
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133 if module.reloading then return; end
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134
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135 set_service(pubsub.new({
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136 capabilities = {
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137 none = {
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138 create = false;
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139 publish = false;
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140 retract = false;
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141 get_nodes = true;
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142
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143 subscribe = true;
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144 unsubscribe = true;
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145 get_subscription = true;
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146 get_subscriptions = true;
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147 get_items = true;
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148
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149 subscribe_other = false;
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150 unsubscribe_other = false;
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151 get_subscription_other = false;
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152 get_subscriptions_other = false;
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153
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154 be_subscribed = true;
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155 be_unsubscribed = true;
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156
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157 set_affiliation = false;
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158 };
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159 publisher = {
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160 create = false;
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161 publish = true;
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162 retract = true;
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163 get_nodes = true;
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164
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165 subscribe = true;
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166 unsubscribe = true;
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167 get_subscription = true;
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168 get_subscriptions = true;
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169 get_items = true;
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170
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171 subscribe_other = false;
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172 unsubscribe_other = false;
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173 get_subscription_other = false;
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174 get_subscriptions_other = false;
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175
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176 be_subscribed = true;
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177 be_unsubscribed = true;
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178
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179 set_affiliation = false;
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180 };
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181 owner = {
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182 create = true;
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183 publish = true;
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184 retract = true;
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185 delete = true;
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186 get_nodes = true;
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187 configure = true;
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188
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189 subscribe = true;
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190 unsubscribe = true;
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191 get_subscription = true;
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192 get_subscriptions = true;
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193 get_items = true;
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194
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195
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196 subscribe_other = true;
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197 unsubscribe_other = true;
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198 get_subscription_other = true;
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199 get_subscriptions_other = true;
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200
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201 be_subscribed = true;
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202 be_unsubscribed = true;
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203
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204 set_affiliation = true;
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205 };
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206 };
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207
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208 autocreate_on_publish = autocreate_on_publish;
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209 autocreate_on_subscribe = autocreate_on_subscribe;
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210
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Matthew Wild <mwild1@gmail.com>
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211 nodestore = node_store;
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212 itemstore = create_simple_itemstore;
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213 broadcaster = simple_broadcast;
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214 itemcheck = is_item_stanza;
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215 get_affiliation = get_affiliation;
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216
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217 normalize_jid = jid_bare;
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218 }));
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219 end