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annotate mod_muc_restrict_media/mod_muc_restrict_media.lua @ 4974:807007913f67

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mod_log_json: Prefer native Lua table.pack over Prosody util.table one Prosody is removing support for Lua 5.1, which was the reason for util.table.pack to exist in the first place, since Lua 5.2+ provides table.pack. In prosody rev 5eaf77114fdb everything was switched over to use table.pack, opening the door for removing util.table.pack at some point. This change here is to prepare for that future eventuality.
author Kim Alvefur <zash@zash.se>
date Mon, 11 Jul 2022 20:08:41 +0200
parents 5a3031613dbc
children 1682166171ff
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1 module:depends"muc";
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2
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3 local restrict_by_default = module:get_option_boolean("muc_room_default_restrict_media", true);
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4
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5 local function should_restrict_media(room)
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6 local restrict_media = room._data.restrict_media;
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7 if restrict_media == nil then
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8 restrict_media = restrict_by_default;
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9 end
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10 return restrict_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_unaffiliated_media",
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17 type = "boolean",
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18 label = "Display inline media (images, etc.) from non-members",
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19 value = not should_restrict_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_restrict_media = not fields["{xmpp:prosody.im}muc#roomconfig_unaffiliated_media"];
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26 if new_restrict_media ~= should_restrict_media(room) then
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27 if new_restrict_media == restrict_by_default then
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28 room._data.restrict_media = nil;
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29 else
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30 room._data.restrict_media = new_restrict_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_unaffiliated_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 allow_unaffiliated_media = not should_restrict_media(room);
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44 table.insert(form, {
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45 name = "{xmpp:prosody.im}muc#roomconfig_unaffiliated_media",
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46 type = "boolean",
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47 });
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48 formdata["{xmpp:prosody.im}muc#roomconfig_unaffiliated_media"] = allow_unaffiliated_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 event.room:get_affiliation(stanza.attr.from) then return end
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67 if should_restrict_media(event.room) then
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68 stanza:maptags(filter_media_tags);
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69 end
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70 end, 20);