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annotate mod_extdisco/mod_extdisco.lua @ 5853:97c9b76867ca

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mod_log_ringbuffer: Detach event handlers on logging reload (thanks Menel) Otherwise the global event handlers accumulate, one added each time logging is reoladed, and each invocation of the signal or event triggers one dump of each created ringbuffer.
author Kim Alvefur <zash@zash.se>
date Sun, 03 Mar 2024 11:23:40 +0100
parents 7811ba467525
children
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e5c16c87383c mod_extdisco: XEP-0215: External Service Discovery
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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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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);