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annotate mod_muc_hide_media/mod_muc_hide_media.lua @ 5536:96dec7681af8

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mod_firewall: Update user marks to store instantly via map store The original approach was to keep marks in memory only, and persist them at shutdown. That saves I/O, at the cost of potentially losing marks on an unclean shutdown. This change persists marks instantly, which may have some performance overhead but should be more "correct". It also splits the marking/unmarking into an event which may be watched or even fired by other modules.
author Matthew Wild <mwild1@gmail.com>
date Thu, 08 Jun 2023 16:20:42 +0100
parents 9084588c73ae
children
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d267e381255f mod_muc_hide_media: Module to allow hiding inline media in a MUC
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1 module:depends"muc";
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2
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3 local hide_by_default = not module:get_option_boolean("muc_room_default_hide_media", false);
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4
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5 local function should_hide_media(room)
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6 local hide_media = room._data.hide_media;
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7 if hide_media == nil then
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8 hide_media = hide_by_default;
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9 end
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10 return hide_media;
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11 end
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12
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13 module:hook("muc-config-form", function(event)
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14 local room, form = event.room, event.form;
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15 table.insert(form, {
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16 name = "{xmpp:prosody.im}muc#roomconfig_display_media",
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17 type = "boolean",
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18 label = "Display inline media (images, etc.)",
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19 value = not should_hide_media(room),
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20 });
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21 end);
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22
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23 module:hook("muc-config-submitted", function(event)
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24 local room, fields, changed = event.room, event.fields, event.changed;
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25 local new_hide_media = not fields["{xmpp:prosody.im}muc#roomconfig_display_media"];
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26 if new_hide_media ~= should_hide_media(room) then
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27 if new_hide_media == hide_by_default(room) then
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28 room._data.hide_media = nil;
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29 else
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30 room._data.hide_media = new_hide_media;
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31 end
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32 if type(changed) == "table" then
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33 changed["{xmpp:prosody.im}muc#roomconfig_display_media"] = true;
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34 else
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35 event.changed = true;
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36 end
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37 end
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38 end);
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39
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40 module:hook("muc-disco#info", function (event)
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41 local room, form, formdata = event.room, event.form, event.formdata;
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42
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43 local display_media = not should_hide_media(room);
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44 table.insert(form, {
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45 name = "{xmpp:prosody.im}muc#roomconfig_display_media",
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46 type = "boolean",
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47 });
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48 formdata["{xmpp:prosody.im}muc#roomconfig_display_media"] = display_media;
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49 end);
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50
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51 local function filter_media_tags(tag)
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52 local xmlns = tag.attr.xmlns;
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53 if xmlns == "jabber:x:oob" then
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54 return nil;
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55 elseif xmlns == "urn:xmpp:reference:0" then
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56 if tag:get_child("media-sharing", "urn:xmpp:sims:1") then
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57 return nil;
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58 end
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59 end
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60 return tag;
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61 end
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62
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63 module:hook("muc-occupant-groupchat", function (event)
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64 local stanza = event.stanza;
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65 if stanza.attr.type ~= "groupchat" then return; end
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66 if should_hide_media(event.room) then
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67 stanza:maptags(filter_media_tags);
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68 end
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69 end, 20);