prosody-modules
e7b9bc629ecc
mod_muc_intercom/mod_muc_intercom.lua

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mod_muc_intercom/mod_muc_intercom.lua @ 4941:e7b9bc629ecc

mod_rest: Add special handling to catch MAM results from remote hosts Makes MAM queries to remote hosts works. As the comment says, MAM results from users' local archives or local MUCs are returned via origin.send() which is provided in the event and thus already worked. Results from remote hosts go via normal stanza routing and events, which need this extra handling to catch. This pattern of iq-set, message+, iq-result is generally limited to MAM. Closest similar thing might be MUC join, but to really handle that you would need the webhook callback mechanism.
author Kim Alvefur <zash@zash.se>
date Mon, 16 May 2022 19:47:09 +0200
parent 3070:c271bfa3d625
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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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16
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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);