view mod_atom/mod_atom.lua @ 4838:fd2e48d4ac94

mod_bookmarks2: Advertise XEP-0049 support In the case mod_private isn’t loaded, some clients (like poezio) won’t even attempt to use Private XML Storage unless this feature is advertised. This is on the domain JID and not on the account JID!
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 26 Dec 2021 14:51:35 +0100
parents 5dd505c39c4b
children
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-- HTTP Access to PEP -> microblog
-- By Kim Alvefur <zash@zash.se>

local mod_pep = module:depends"pep";

local um = require "core.usermanager";
local nodeprep = require "util.encodings".stringprep.nodeprep;
local st = require "util.stanza";
local urlencode = require "util.http".urlencode;

module:depends("http")
module:provides("http", {
	route = {
		["GET /*"] = function (event, user)
			if user == "" then
				return [[<h1>Hello from mod_atom</h1><p>This module provides access to public microblogs of local users.</p>]];
			end;

			local request, response = event.request, event.response;
			local actor = request.ip;

			local prepped = nodeprep(user);
			if not prepped then return 400; end
			if prepped ~= user then
				response.headers.location = module:http_url() .. "/" .. urlencode(prepped);
				return 302;
			end
			if not um.user_exists(user, module.host) then
				return 404;
			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
				response.headers.content_type = "application/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" });
				local ok, _, nick = pubsub_service:get_last_item("http://jabber.org/protocol/nick", actor);
				if ok and nick then
					feed:text_tag("displayName", nick.tags[1][1], { xmlns = "http://portablecontacts.net/spec/1.0" });
				end

				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;
	}
});