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annotate mod_smacks_noerror/mod_smacks_noerror.lua @ 3656:3e0f4d727825

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mod_vcard_muc: Add an alternative method of signaling avatar change When the avatar has been changed, a signal is sent that the room configuration has changed. Clients then do a disco#info query to find the SHA-1 of the new avatar. They can then fetch it as before, or not if they have it cached already. This is meant to be less disruptive than signaling via presence, which caused problems for some clients. If clients transition to the new method, the old one can eventually be removed. The namespace is made up while waiting for standardization. Otherwise it is very close to what's described in https://xmpp.org/extensions/inbox/muc-avatars.html
author Kim Alvefur <zash@zash.se>
date Sun, 25 Aug 2019 20:46:43 +0200
parents f35b2b76df6d
children e7dc25e54d02
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tmolitor <thilo@eightysoft.de>
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1 local t_insert = table.insert;
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2
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3 local mod_smacks = module:depends"smacks"
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4
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f35b2b76df6d mod_smacks_noerror: Add ability to silence errors if mod_offline is disabled
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5 -- ignore offline messages and don't return any error (the message will be already in MAM at this point)
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6 -- this is *only* triggered if mod_offline is *not* loaded and completely ignored otherwise
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7 module:hook("message/offline/handle", function(event)
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8 event.origin.log("debug", "Ignoring offline message (mod_offline seems to be *not* loaded)...");
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9 return true;
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10 end, -100);
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11
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12 local function discard_unacked_messages(session)
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13 local queue = session.outgoing_stanza_queue;
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14 local replacement_queue = {};
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15 session.outgoing_stanza_queue = replacement_queue;
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16
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17 for _, stanza in ipairs(queue) do
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18 if stanza.name == "message" and stanza.attr.xmlns == nil and
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19 ( stanza.attr.type == "chat" or ( stanza.attr.type or "normal" ) == "normal" ) then
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20 -- do nothing here for normal messages and don't send out "message delivery errors",
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21 -- because messages are already in MAM at this point (no need to frighten users)
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22 else
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23 t_insert(replacement_queue, stanza);
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24 end
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25 end
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26 end
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27
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28 local handle_unacked_stanzas = mod_smacks.handle_unacked_stanzas;
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29
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30 mod_smacks.handle_unacked_stanzas = function (session)
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31 -- Only deal with authenticated (c2s) sessions
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32 if session.username then
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33 discard_unacked_messages(session)
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34 end
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35 return handle_unacked_stanzas(session);
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36 end
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37
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38 function module.unload()
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39 mod_smacks.handle_unacked_stanzas = handle_unacked_stanzas;
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40 end