-- HTTP Access to PEP -> microblog

-- By Kim Alvefur <zash@zash.se>

local mod_pep = module:depends"pep";

local nodeprep = require "util.encodings".stringprep.nodeprep;

local st = require "util.stanza";

module:depends("http")

module:provides("http", {

	route = {

		["GET /*"] = function (event, user)

			local actor = event.request.ip;

			user = nodeprep(user);

			if not user then return 400; end

			local pubsub_service = mod_pep.get_pep_service(user);

			local ok, items = pubsub_service:get_items("urn:xmpp:microblog:0", actor);

			if ok then

				event.response.headers.content_type = "application/atom+xml";

				local feed = st.stanza("feed", { xmlns = "http://www.w3.org/2005/Atom" })

					:text_tag("generator", "Prosody", { uri = "xmpp:prosody.im", version = prosody.version })

					:text_tag("title", pubsub_service.nodes["urn:xmpp:microblog:0"].config.title or "Microblog feed")

					:text_tag("subtitle", pubsub_service.nodes["urn:xmpp:microblog:0"].config.description)

					:tag("author")

						:text_tag("name", user)

						:text_tag("preferredUsername", user, { xmlns = "http://portablecontacts.net/spec/1.0" });

				feed:reset();

				for i = #items, 1, -1 do

					feed:add_direct_child(items[items[i]].tags[1]);

				end

				return tostring(feed);

			elseif items == "forbidden" then

				return 403;

			elseif items == "item-not-found" then

				return 404;

			end

		end;

	}

});