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annotate mod_extdisco/mod_extdisco.lua @ 4565:3b2ae854842c

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mod_muc_bot: Save occupant to room This has some side-effects: Firstly, the bot shows up in occupant list, which is nice. Secondly, the bot starts receiving messages from the room which might be wanted, but it would be better to join the room for real in this case.
author Kim Alvefur <zash@zash.se>
date Sat, 10 Apr 2021 19:23:25 +0200
parents 7811ba467525
children
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1 local st = require "util.stanza";
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2
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3 local services = module:get_option("external_services");
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4
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5 local xmlns_extdisco_1 = "urn:xmpp:extdisco:1";
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6 local xmlns_extdisco_2 = "urn:xmpp:extdisco:2";
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8 module:add_feature(xmlns_extdisco_1);
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9 module:add_feature(xmlns_extdisco_2);
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11 local function handle_services(event)
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12 local origin, stanza = event.origin, event.stanza;
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13 local service = stanza.tags[1];
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14 local service_type = service.attr.type;
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15 local reply = st.reply(stanza):tag("services", { xmlns = service.attr.xmlns });
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16 for host, service_info in pairs(services) do
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17 if not(service_type) or service_info.type == service_type then
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18 reply:tag("service", {
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19 host = host;
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20 port = service_info.port;
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21 transport = service_info.transport;
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22 type = service_info.type;
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23 username = service_info.username;
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24 password = service_info.password;
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25 }):up();
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26 end
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27 end
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28 origin.send(reply);
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29 return true;
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30 end
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31 module:hook("iq-get/host/"..xmlns_extdisco_1..":services", handle_services);
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32 module:hook("iq-get/host/"..xmlns_extdisco_2..":services", handle_services);
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33
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34 local function handle_credentials(event)
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35 local origin, stanza = event.origin, event.stanza;
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36 local credentials = stanza.tags[1];
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37 local host = credentials.attr.host;
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38 if not host then
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39 origin.send(st.error_reply(stanza, "cancel", "bad-request", "No host specified"));
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40 return true;
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41 end
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42 local service_info = services[host];
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43 if not service_info then
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44 origin.send(st.error_reply(stanza, "cancel", "item-not-found", "No such service known"));
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45 return true;
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46 end
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47 local reply = st.reply(stanza)
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48 :tag("credentials", { xmlns = credentials.attr.xmlns })
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49 :tag("service", {
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50 host = host;
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51 username = service_info.username;
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52 password = service_info.password;
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53 }):up();
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54 origin.send(reply);
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55 return true;
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56 end
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57 module:hook("iq-get/host/"..xmlns_extdisco_1..":credentials", handle_credentials);
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58 module:hook("iq-get/host/"..xmlns_extdisco_2..":credentials", handle_credentials);