mod_atom: Expose Microbloging PEP data over HTTP

Mon, 29 Aug 2016 23:11:05 +0200

author
Kim Alvefur <zash@zash.se>
date
Mon, 29 Aug 2016 23:11:05 +0200
changeset 2294
4915b8223b07
parent 2293
144b74caa5ef
child 2295
2d90a2b8482e

mod_atom: Expose Microbloging PEP data over HTTP

mod_atom/mod_atom.lua file | annotate | diff | comparison | revisions
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mod_atom/mod_atom.lua	Mon Aug 29 23:11:05 2016 +0200
@@ -0,0 +1,47 @@
+-- HTTP Access to PEP -> microblog
+-- By Kim Alvefur <zash@zash.se>
+
+module:depends"http";
+module:depends"pep";
+local nodeprep = require "util.encodings".stringprep.nodeprep;
+local st = require "util.stanza";
+local host, hosts = module.host, hosts;
+
+local function handle_request(event, path)
+	local response = event.response;
+
+	local user = nodeprep(path);
+	if not user then return 400 end
+	local jid = user .. "@" .. host;
+
+	local pep_data = hosts[host].modules.pep.module.save();
+	if not pep_data.data[jid] or
+			not pep_data.data[jid]["urn:xmpp:microblog:0"] then
+		return 404;
+	end
+
+	local microblogdata = pep_data.data[jid]["urn:xmpp:microblog:0"][2]:get_child("entry", "http://www.w3.org/2005/Atom");
+	if not microblogdata then return 404; end
+	local feed = st.stanza("feed", { xmlns="http://www.w3.org/2005/Atom" } );
+	local source = microblogdata:get_child("source");
+	if source then
+		for i = 1,#source do
+			feed:add_child(source[i]):up();
+		end
+		for i = 1,#microblogdata do
+			if microblogdata[i].name == "source" then
+				table.remove(microblogdata, i);
+				break
+			end
+		end
+	end
+	feed:add_child(microblogdata);
+	response.headers.content_type = "application/atom+xml";
+	return "<?xml version='1.0' encoding='utf-8'?>" .. tostring(feed) .. "\n";
+end
+
+module:provides("http", {
+	route = {
+		["GET /*"] = handle_request;
+	};
+});

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