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annotate mod_server_info/mod_server_info.lua @ 5842:ed82916e5796

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mod_server_info: Rewrite/backport from Prosody 1ce18cb3e6cc
author Matthew Wild <mwild1@gmail.com>
date Fri, 23 Feb 2024 22:47:05 +0000
parents 174c77da03f5
children f408b8e603af
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ed82916e5796 mod_server_info: Rewrite/backport from Prosody 1ce18cb3e6cc
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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 "prosody.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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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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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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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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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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40
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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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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