Mercurial > prosody-modules

annotate mod_muc_intercom/mod_muc_intercom.lua @ 5173:460f78654864

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mod_muc_rtbl: also filter messages This was a bit tricky because we don't want to run the JIDs through SHA256 on each message. Took a while to come up with this simple plan of just caching the SHA256 of the JIDs on the occupants. This will leave some dirt in the occupants after unloading the module, but that should be ok; once they cycle the room, the hashes will be gone. This is direly needed, otherwise, there is a tight race between the moderation activities and the actors joining the room.
author Jonas Schäfer <jonas@wielicki.name>
date Tue, 21 Feb 2023 21:37:27 +0100
parents c271bfa3d625
children
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1 -- Relay messages between rooms
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2 -- By Kim Alvefur <zash@zash.se>
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4 local host_session = prosody.hosts[module.host];
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5 local st_msg = require "util.stanza".message;
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6 local jid = require "util.jid";
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7 local now = require "util.datetime".datetime;
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8
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9 local function get_room_from_jid(mod_muc, jid)
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10 if mod_muc.get_room_from_jid then
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11 return mod_muc.get_room_from_jid(jid);
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12 elseif mod_muc.rooms then
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13 return mod_muc.rooms[jid]; -- COMPAT 0.9, 0.10
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14 end
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15 end
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17 function check_message(data)
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18 local origin, stanza = data.origin, data.stanza;
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19 local mod_muc = host_session.muc;
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20 if not mod_muc then return; end
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21
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22 local this_room = get_room_from_jid(mod_muc, stanza.attr.to);
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23 if not this_room then return; end -- no such room
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25 local from_room_jid = this_room._jid_nick[stanza.attr.from];
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26 if not from_room_jid then return; end -- no such nick
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28 local from_room, from_host, from_nick = jid.split(from_room_jid);
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30 local body = stanza:get_child("body");
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31 if not body then return; end -- No body, like topic changes
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32 body = body and body:get_text(); -- I feel like I want to do `or ""` there :/
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33 local target_room, message = body:match("^@([^:]+):(.*)");
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34 if not target_room or not message then return; end
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36 if target_room == from_room then return; end -- don't route to itself
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37 module:log("debug", "target room is %s", target_room);
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39 local bare_room = jid.join(target_room, from_host);
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40 local dest_room = get_room_from_jid(mod_muc, bare_room);
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41 if not dest_room then return; end -- TODO send a error
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42 module:log("info", "message from %s in %s to %s", from_nick, from_room, target_room);
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44 local sender = jid.join(target_room, module.host, from_room .. "/" .. from_nick);
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45 local forward_stanza = st_msg({from = sender, to = bare_room, type = "groupchat"}, message);
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46 forward_stanza:tag("delay", { xmlns = 'urn:xmpp:delay', from = from_room_jid, stamp = now() }):up();
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48 module:log("debug", "broadcasting message to target room");
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49 dest_room:broadcast_message(forward_stanza);
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50 end
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51
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52 module:hook("message/bare", check_message);