verse
6707e3a47f71
plugins/carbons.lua

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plugins/carbons.lua @ 465:6707e3a47f71

Add 'shutdown' event for a self-initiated disconnect
author Matthew Wild <mwild1@gmail.com>
date Fri, 17 Mar 2023 09:23:15 +0000
parent 318:598552fc085b
child 490:6b2f31da9610
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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a5ac643a7fd6 added local verse var to all plugins
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1 local verse = require "verse";
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2
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3 local xmlns_carbons = "urn:xmpp:carbons:2";
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4 local xmlns_forward = "urn:xmpp:forward:0";
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5 local os_time = os.time;
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6 local parse_datetime = require "util.datetime".parse;
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7 local bare_jid = require "util.jid".bare;
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8
7fc17e40fbaf plugins.carbons: Add, implements Message Carbons (XEP 280)
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9 -- TODO Check disco for support
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10
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11 function verse.plugins.carbons(stream)
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12 local carbons = {};
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13 carbons.enabled = false;
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14 stream.carbons = carbons;
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16 function carbons:enable(callback)
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17 stream:send_iq(verse.iq{type="set"}
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18 :tag("enable", { xmlns = xmlns_carbons })
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19 , function(result)
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20 local success = result.attr.type == "result";
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21 if success then
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22 carbons.enabled = true;
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23 end
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24 if callback then
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25 callback(success);
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26 end
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27 end or nil);
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28 end
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29
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30 function carbons:disable(callback)
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31 stream:send_iq(verse.iq{type="set"}
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32 :tag("disable", { xmlns = xmlns_carbons })
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33 , function(result)
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34 local success = result.attr.type == "result";
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35 if success then
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36 carbons.enabled = false;
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37 end
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38 if callback then
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39 callback(success);
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40 end
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41 end or nil);
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42 end
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43
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44 local my_bare;
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45 stream:hook("bind-success", function()
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46 my_bare = bare_jid(stream.jid);
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47 end);
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48
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49 stream:hook("message", function(stanza)
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50 local carbon = stanza:get_child(nil, xmlns_carbons);
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51 if stanza.attr.from == my_bare and carbon then
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52 local carbon_dir = carbon.name;
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53 local fwd = carbon:get_child("forwarded", xmlns_forward);
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54 local fwd_stanza = fwd and fwd:get_child("message", "jabber:client");
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55 local delay = fwd:get_child("delay", "urn:xmpp:delay");
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56 local stamp = delay and delay.attr.stamp;
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57 stamp = stamp and parse_datetime(stamp);
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58 if fwd_stanza then
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59 return stream:event("carbon", {
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60 dir = carbon_dir,
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61 stanza = fwd_stanza,
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62 timestamp = stamp or os_time(),
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63 });
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64 end
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65 end
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66 end, 1);
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67 end