prosody-modules
f5ea0b886c7c
mod_http_altconnect/mod_http_altconnect.lua

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mod_http_altconnect/mod_http_altconnect.lua @ 3571:f5ea0b886c7c

mod_storage_xmlarchive: Limit search to smallest time range in case of inexact match This should improve performance in case the exact days in the 'start' and 'end' range are missing from the index.
author Kim Alvefur <zash@zash.se>
date Fri, 03 May 2019 18:59:38 +0200
parent 1325:b21236b6b8d8
child 3712:0a0bf87ccda6
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1 -- mod_http_altconnect
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2 -- XEP-0156: Discovering Alternative XMPP Connection Methods
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3
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4 module:depends"http";
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5
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6 local json = require"util.json";
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7 local st = require"util.stanza";
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8 local array = require"util.array";
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9
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10 local host_modules = hosts[module.host].modules;
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11
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12 local function get_supported()
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13 local uris = array();
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14 if host_modules["bosh"] then
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15 uris:push({ rel = "urn:xmpp:alt-connections:xbosh", href = module:http_url("bosh", "/http-bind") });
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16 end
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17 if host_modules["websocket"] then
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18 uris:push({ rel = "urn:xmpp:alt-connections:websocket", href = module:http_url("websocket", "xmpp-websocket"):gsub("^http", "ws") });
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19 end
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20 return uris;
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21 end
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24 local function GET_xml(event)
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25 local request, response = event.request, event.response;
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26 local xrd = st.stanza("XRD", { xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0' });
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27 local uris = get_supported();
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28 for i, method in ipairs(uris) do
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29 xrd:tag("Link", method):up();
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30 end
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31 response.headers.content_type = "application/xrd+xml"
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32 response.headers.access_control_allow_origin = "*";
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33 return '<?xml version="1.0" encoding="UTF-8"?>' .. tostring(xrd);
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34 end
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36 local function GET_json(event)
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37 local request, response = event.request, event.response;
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38 local jrd = { links = get_supported() };
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39 response.headers.content_type = "application/json"
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40 response.headers.access_control_allow_origin = "*";
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41 return json.encode(jrd);
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42 end;
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43
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44 local function GET_either(event)
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45 local accept_type = event.request.headers.accept or "";
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46 if ( accept_type:find("xml") or #accept_type ) < ( accept_type:find("json") or #accept_type+1 ) then
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47 return GET_xml(event);
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48 else
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49 return GET_json(event);
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50 end
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51 end;
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52
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53 module:provides("http", {
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54 default_path = "/.well-known";
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55 route = {
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56 ["GET /host-meta"] = GET_either;
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57 -- ["GET /host-meta.xml"] = GET_xml; -- Hmmm
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58 ["GET /host-meta.json"] = GET_json;
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59 };
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60 });