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annotate mod_smacks_noerror/mod_smacks_noerror.lua @ 3417:1534d0715d35

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mod_muc_limits: Add support for new MUC API in Prosody 0.11
author Kim Alvefur <zash@zash.se>
date Sun, 23 Dec 2018 21:46:06 +0100
parents f35b2b76df6d
children e7dc25e54d02
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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