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annotate mod_muc_restrict_avatars/mod_muc_restrict_avatars.lua @ 5905:02657e8693bc

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mod_http_muc_log: replace "mam_muc" with "muc_mam" in README.markdown
author Luca Matei Pintilie <luca@lucamatei.com>
date Sun, 12 May 2024 17:01:20 +0200
parents 5b95e06d75d5
children
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1 local bare_jid = require"util.jid".bare;
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2 local mod_muc = module:depends("muc");
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3
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4 local function filter_avatar_advertisement(tag)
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5 if tag.attr.xmlns == "vcard-temp:x:update" then
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6 return nil;
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7 end
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8
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9 return tag;
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10 end
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11
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12 -- Function to determine if avatar restriction is enabled
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13 local function is_avatar_restriction_enabled(room)
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14 return room._data.restrict_avatars;
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15 end
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16
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17 -- Add MUC configuration form option for avatar restriction
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18 module:hook("muc-config-form", function(event)
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19 local room, form = event.room, event.form;
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20 table.insert(form, {
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21 name = "restrict_avatars",
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22 type = "boolean",
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23 label = "Restrict avatars to members only",
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24 value = is_avatar_restriction_enabled(room)
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25 });
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26 end);
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27
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28 -- Handle MUC configuration form submission
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29 module:hook("muc-config-submitted", function(event)
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30 local room, fields, changed = event.room, event.fields, event.changed;
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31 local restrict_avatars = fields["restrict_avatars"];
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32
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33 if room and restrict_avatars ~= is_avatar_restriction_enabled(room) then
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34 -- Update room settings based on the submitted value
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35 room._data.restrict_avatars = restrict_avatars;
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36 -- Mark the configuration as changed
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37 if type(changed) == "table" then
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38 changed["restrict_avatars"] = true;
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39 else
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40 event.changed = true;
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41 end
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42 end
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43 end);
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44
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45 -- Handle presence/full events to filter avatar advertisements
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46 module:hook("presence/full", function(event)
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47 local stanza = event.stanza;
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48 local room = mod_muc.get_room_from_jid(bare_jid(stanza.attr.to));
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49 if room and not room:get_affiliation(stanza.attr.from) then
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50 if is_avatar_restriction_enabled(room) then
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51 stanza:maptags(filter_avatar_advertisement);
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52 end
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53 end
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54 end, 1);