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prosody-modules
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mod_pubsub_feeds/mod_pubsub_feeds.lua @ 2132:b149ea428b81
mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sun, 20 Mar 2016 12:32:45 +0100 |
parent | 1457:720ff25d94e6 |
child | 2134:bd7744df0b4a |
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--- a/mod_pubsub_feeds/mod_pubsub_feeds.lua Fri Mar 18 09:59:42 2016 +0000 +++ b/mod_pubsub_feeds/mod_pubsub_feeds.lua Sun Mar 20 12:32:45 2016 +0100 @@ -1,7 +1,5 @@ -- Fetches Atom feeds and publishes to PubSub nodes -- --- Depends: http://code.matthewwild.co.uk/lua-feeds --- -- Config: -- Component "pubsub.example.com" "pubsub" -- modules_enabled = { @@ -21,12 +19,23 @@ local dt_parse, dt_datetime = require "util.datetime".parse, require "util.datetime".datetime; local uuid = require "util.uuid".generate; local hmac_sha1 = require "util.hashes".hmac_sha1; -local parse_feed = require "feeds".feed_from_string; +local parse_xml = require "uit.xml".parse; local st = require "util.stanza"; ---local dump = require"util.serialization".serialize; +local translate_rss = module:require("feeds").translate_rss; local xmlns_atom = "http://www.w3.org/2005/Atom"; +local function parse_feed(data) + local feed, err = parse_xml(data); + if not feed then return feed, err; end + if feed.attr.xmlns == xmlns_atom then + return feed; + elseif feed.attr.xmlns == nil and feed.name == "rss" then + return translate_rss(feed); + end + return nil, "unsupported-format"; +end + local use_pubsubhubub = module:get_option_boolean("use_pubsubhubub", true); if use_pubsubhubub then module:depends"http"; @@ -75,7 +84,7 @@ local node = item.node; module:log("debug", "parsing %d bytes of data in node %s", #item.data or 0, node) local feed = parse_feed(item.data); - for _, entry in ipairs(feed) do + for entry in feed:childtags("entry") do entry.attr.xmlns = xmlns_atom; local e_published = entry:get_child_text("published"); @@ -119,11 +128,12 @@ end if use_pubsubhubub and not item.subscription then --module:log("debug", "check if %s has a hub", item.node); - local hub = item.hub or feed.links and feed.links.hub; - if hub then - item.hub = hub; - module:log("debug", "%s has a hub: %s", item.node, item.hub); - subscribe(item); + for link in feed:childtags("link") do + if link.attr.rel == "hub" then + item.hub = link.attr.href; + module:log("debug", "Node %s has a hub: %s", item.node, item.hub); + return subscribe(item); + end end end end