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annotate mod_atom/mod_atom.lua @ 5406:b86d80e21c60

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mod_http_oauth2: Validate consistency of response and grant types Ensure that these correlated fields make sense per RFC 7591 ยง 2.1, even though we currently only check the response type during authorization. This could probably all be deleted if (when!) we remove the implicit grant, since then these things don't make any sense anymore.
author Kim Alvefur <zash@zash.se>
date Tue, 02 May 2023 16:34:31 +0200
parents 5dd505c39c4b
children
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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 });