prosody-modules
23c4c61a1068
mod_server_info/mod_server_info.lua

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mod_server_info/mod_server_info.lua @ 6055:23c4c61a1068

mod_muc_gateway_optimize: New module to optimize muc presence to remote gateways Some gateways are happy to receive presence for each participant in MUCs that they are in only once, to any one of their joined JIDs.
author Stephen Paul Weber <singpolyma@singpolyma.net>
date Sun, 17 Nov 2024 22:32:52 -0500
parent 5950:f408b8e603af
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1 -- mod_server_info imported from Prosody commit 1ce18cb3e6cc for the benefit
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2 -- of 0.12 deployments. This community version of the module will not load in
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3 -- newer Prosody versions, which include their own copy of the module.
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4 --% conflicts: mod_server_info
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5
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6 local dataforms = require "util.dataforms";
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7
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8 local server_info_config = module:get_option("server_info", {});
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9 local server_info_custom_fields = module:get_option_array("server_info_extensions");
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10
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11 -- Source: http://xmpp.org/registrar/formtypes.html#http:--jabber.org-network-serverinfo
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12 local form_layout = dataforms.new({
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13 { var = "FORM_TYPE"; type = "hidden"; value = "http://jabber.org/network/serverinfo" };
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14 });
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15
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16 if server_info_custom_fields then
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17 for _, field in ipairs(server_info_custom_fields) do
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18 table.insert(form_layout, field);
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19 end
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20 end
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21
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22 local generated_form;
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23
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24 function update_form()
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25 local new_form = form_layout:form(server_info_config, "result");
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26 if generated_form then
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27 module:remove_item("extension", generated_form);
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28 end
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29 generated_form = new_form;
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30 module:add_item("extension", generated_form);
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31 end
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32
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33 function add_fields(event)
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34 local fields = event.item;
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35 for _, field in ipairs(fields) do
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36 table.insert(form_layout, field);
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37 end
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38 update_form();
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39 end
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41 function remove_fields(event)
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42 local removed_fields = event.item;
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43 for _, removed_field in ipairs(removed_fields) do
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44 local removed_var = removed_field.var or removed_field.name;
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45 for i, field in ipairs(form_layout) do
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46 local var = field.var or field.name
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47 if var == removed_var then
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48 table.remove(form_layout, i);
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49 break;
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50 end
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51 end
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52 end
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53 update_form();
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54 end
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55
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56 module:handle_items("server-info-fields", add_fields, remove_fields);
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57
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58 function module.load()
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59 update_form();
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60 end