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annotate mod_atom/mod_atom.lua @ 2446:c563f4d64302

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mod_persisthosts: Module that dynamically creates stub configuration files for dynamically activated hosts
author Kim Alvefur <zash@zash.se>
date Wed, 18 Jan 2017 01:38:17 +0100
parents 4915b8223b07
children 4b52cafd5811
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4915b8223b07 mod_atom: Expose Microbloging PEP data over HTTP
Kim Alvefur <zash@zash.se>
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1 -- HTTP Access to PEP -> microblog
4915b8223b07 mod_atom: Expose Microbloging PEP data over HTTP
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2 -- By Kim Alvefur <zash@zash.se>
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3
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4 module:depends"http";
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5 module:depends"pep";
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6 local nodeprep = require "util.encodings".stringprep.nodeprep;
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7 local st = require "util.stanza";
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8 local host, hosts = module.host, hosts;
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9
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10 local function handle_request(event, path)
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11 local response = event.response;
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12
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13 local user = nodeprep(path);
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14 if not user then return 400 end
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15 local jid = user .. "@" .. host;
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16
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17 local pep_data = hosts[host].modules.pep.module.save();
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18 if not pep_data.data[jid] or
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19 not pep_data.data[jid]["urn:xmpp:microblog:0"] then
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20 return 404;
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21 end
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22
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23 local microblogdata = pep_data.data[jid]["urn:xmpp:microblog:0"][2]:get_child("entry", "http://www.w3.org/2005/Atom");
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24 if not microblogdata then return 404; end
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25 local feed = st.stanza("feed", { xmlns="http://www.w3.org/2005/Atom" } );
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26 local source = microblogdata:get_child("source");
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27 if source then
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28 for i = 1,#source do
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29 feed:add_child(source[i]):up();
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30 end
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31 for i = 1,#microblogdata do
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32 if microblogdata[i].name == "source" then
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33 table.remove(microblogdata, i);
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34 break
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35 end
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36 end
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37 end
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38 feed:add_child(microblogdata);
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39 response.headers.content_type = "application/atom+xml";
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40 return "<?xml version='1.0' encoding='utf-8'?>" .. tostring(feed) .. "\n";
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41 end
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42
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43 module:provides("http", {
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44 route = {
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45 ["GET /*"] = handle_request;
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46 };
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47 });