prosody
e17ff906d71b
plugins/mod_server_info.lua

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plugins/mod_server_info.lua @ 13551:e17ff906d71b

mod_pubsub: Pass metadata directly into form Reduces duplication and need to edit in two places when adding another metadata field.
author Kim Alvefur <zash@zash.se>
date Fri, 08 Nov 2024 02:15:10 +0100
parent 13436:1ce18cb3e6cc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
13436
1ce18cb3e6cc mod_server_info: New module to manage the serverinfo disco extension form
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1 local dataforms = require "prosody.util.dataforms";
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2
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3 local server_info_config = module:get_option("server_info", {});
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4 local server_info_custom_fields = module:get_option_array("server_info_extensions");
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5
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6 -- Source: http://xmpp.org/registrar/formtypes.html#http:--jabber.org-network-serverinfo
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7 local form_layout = dataforms.new({
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8 { var = "FORM_TYPE"; type = "hidden"; value = "http://jabber.org/network/serverinfo" };
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9 });
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10
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11 if server_info_custom_fields then
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12 for _, field in ipairs(server_info_custom_fields) do
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13 table.insert(form_layout, field);
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14 end
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15 end
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16
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17 local generated_form;
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18
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19 function update_form()
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20 local new_form = form_layout:form(server_info_config, "result");
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21 if generated_form then
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22 module:remove_item("extension", generated_form);
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23 end
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24 generated_form = new_form;
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25 module:add_item("extension", generated_form);
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26 end
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27
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28 function add_fields(event)
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29 local fields = event.item;
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30 for _, field in ipairs(fields) do
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31 table.insert(form_layout, field);
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32 end
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33 update_form();
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34 end
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35
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36 function remove_fields(event)
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37 local removed_fields = event.item;
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38 for _, removed_field in ipairs(removed_fields) do
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39 local removed_var = removed_field.var or removed_field.name;
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40 for i, field in ipairs(form_layout) do
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41 local var = field.var or field.name
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42 if var == removed_var then
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43 table.remove(form_layout, i);
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44 break;
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45 end
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46 end
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47 end
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48 update_form();
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49 end
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50
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51 module:handle_items("server-info-fields", add_fields, remove_fields);
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52
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53 function module.load()
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54 update_form();
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55 end