annotate mod_atom/mod_atom.lua @ 4537:53ee391ca689

mod_smacks: Fix traceback due to session being destroyed in send() Sending something can cause the OS to notice that the connection is dead and then the connection can be dead at this point. More likely if opportunistic_writes is enabled.
author Kim Alvefur <zash@zash.se>
date Thu, 01 Apr 2021 11:35:26 +0200
parents 5dd505c39c4b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4915b8223b07 mod_atom: Expose Microbloging PEP data over HTTP
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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 local mod_pep = module:depends"pep";
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5
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6 local um = require "core.usermanager";
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7 local nodeprep = require "util.encodings".stringprep.nodeprep;
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8 local st = require "util.stanza";
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9 local urlencode = require "util.http".urlencode;
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10
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11 module:depends("http")
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12 module:provides("http", {
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13 route = {
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14 ["GET /*"] = function (event, user)
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15 if user == "" then
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16 return [[<h1>Hello from mod_atom</h1><p>This module provides access to public microblogs of local users.</p>]];
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17 end;
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18
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19 local request, response = event.request, event.response;
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20 local actor = request.ip;
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21
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22 local prepped = nodeprep(user);
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23 if not prepped then return 400; end
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24 if prepped ~= user then
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25 response.headers.location = module:http_url() .. "/" .. urlencode(prepped);
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26 return 302;
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27 end
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28 if not um.user_exists(user, module.host) then
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29 return 404;
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30 end
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31
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32 local pubsub_service = mod_pep.get_pep_service(user);
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33 local ok, items = pubsub_service:get_items("urn:xmpp:microblog:0", actor);
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34 if ok then
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35 response.headers.content_type = "application/xml";
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36 local feed = st.stanza("feed", { xmlns = "http://www.w3.org/2005/Atom" })
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37 :text_tag("generator", "Prosody", { uri = "xmpp:prosody.im", version = prosody.version })
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38 :text_tag("title", pubsub_service.nodes["urn:xmpp:microblog:0"].config.title or "Microblog feed")
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39 :text_tag("subtitle", pubsub_service.nodes["urn:xmpp:microblog:0"].config.description)
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40 :tag("author")
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41 :text_tag("name", user)
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42 :text_tag("preferredUsername", user, { xmlns = "http://portablecontacts.net/spec/1.0" });
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43 local ok, _, nick = pubsub_service:get_last_item("http://jabber.org/protocol/nick", actor);
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44 if ok and nick then
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45 feed:text_tag("displayName", nick.tags[1][1], { xmlns = "http://portablecontacts.net/spec/1.0" });
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46 end
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47
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48 feed:reset();
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49
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50 for i = #items, 1, -1 do
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51 feed:add_direct_child(items[items[i]].tags[1]);
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52 end
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53 return tostring(feed);
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54 elseif items == "forbidden" then
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55 return 403;
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56 elseif items == "item-not-found" then
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57 return 404;
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58 end
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59 end;
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60 }
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61 });