prosody-modules
27de4109b7e9
mod_http_altconnect/mod_http_altconnect.lua

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mod_http_altconnect/mod_http_altconnect.lua @ 1211:27de4109b7e9

mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
author Kim Alvefur <zash@zash.se>
date Sun, 13 Oct 2013 04:47:51 +0200
child 1289:1f15cc58bb56
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rev   line source
1211
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
Kim Alvefur <zash@zash.se>
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1 -- http://legastero.github.io/customxeps/extensions/xep-0156.html
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2
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Kim Alvefur <zash@zash.se>
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3 module:depends"http";
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4
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5 local json = require"util.json";
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6 local st = require"util.stanza";
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7
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8 local host_modules = hosts[module.host].modules;
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9
27de4109b7e9 mod_http_altconnect: Exposes BOSH and WebSocket endpoints over HTTP per http://legastero.github.io/customxeps/extensions/xep-0156.html#http
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10 local function GET_xml(event)
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11 local request, response = event.request, event.response;
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12 local xrd = st.stanza("XRD", { xmlns='http://docs.oasis-open.org/ns/xri/xrd-1.0' });
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13 if host_modules["bosh"] then
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14 xrd:tag("Link", { rel="urn:xmpp:altconnect:bosh", href = module:http_url("bosh", "/http-bind") }):up();
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15 end
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16 if host_modules["websocket"] then
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17 xrd:tag("Link", { rel="urn:xmpp:altconnect:websocket", href = module:http_url("bosh", "/xmpp-websocket"):gsub("^http", "ws") }):up();
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18 end
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19 response.headers.content_type = "application/xrd+xml"
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20 response.headers.access_control_allow_origin = "*";
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21 return tostring(xrd);
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22 end
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23
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24 local function GET_json(event)
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25 local request, response = event.request, event.response;
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26 local jrd = { links = { } };
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27 if host_modules["bosh"] then
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28 jrd.links[#jrd.links+1] = { rel="urn:xmpp:altconnect:bosh", href = module:http_url("bosh", "/http-bind") };
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29 end
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30 if host_modules["websocket"] then
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31 jrd.links[#jrd.links+1] = { rel="urn:xmpp:altconnect:websocket", href = module:http_url("bosh", "/xmpp-websocket"):gsub("^http", "ws") }
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32 end
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33 response.headers.content_type = "application/json"
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34 response.headers.access_control_allow_origin = "*";
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35 return json.encode(jrd);
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36 end;
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37
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38 local function GET_either(event)
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39 local accept_type = event.request.headers.accept or "";
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40 if ( accept_type:find("xml") or #accept_type ) < ( accept_type:find("json") or #accept_type+1 ) then
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41 return GET_xml(event);
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42 else
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43 return GET_json(event);
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44 end
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45 end;
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46
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47 module:provides("http", {
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48 default_path = "/.well-known";
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49 route = {
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50 ["GET /host-meta"] = GET_either;
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51 -- ["GET /host-meta.xml"] = GET_xml; -- Hmmm
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52 ["GET /host-meta.json"] = GET_json;
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53 };
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54 });