Mercurial > prosody-modules

annotate mod_pubsub_feeds/feeds.lib.lua @ 5672:c74a96dc5d58

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_storage_s3: Implement iteration of keyvalue keys (users usually)
author Kim Alvefur <zash@zash.se>
date Sat, 14 Oct 2023 21:41:01 +0200
parents b328ca621ba6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2132
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 local st = require "util.stanza";
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 -- RSS->Atom translator
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 -- http://code.matthewwild.co.uk/lua-feeds/
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 -- Helpers to translate item child elements
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 local rss2atom = {};
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 function rss2atom.title(atom_entry, tag)
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 atom_entry:tag("title"):text(tag:get_text()):up();
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 function rss2atom.link(atom_entry, tag)
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 atom_entry:tag("link", { href = tag:get_text() }):up();
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
14
4428
b328ca621ba6 mod_pubsub_feeds: Translate RSS <enclosure> to Atom for podcasts
Kim Alvefur <zash@zash.se>
parents: 4427
diff changeset
15 function rss2atom.enclosure(atom_entry, tag)
b328ca621ba6 mod_pubsub_feeds: Translate RSS <enclosure> to Atom for podcasts
Kim Alvefur <zash@zash.se>
parents: 4427
diff changeset
16 atom_entry:tag("link", { rel = "enclosure", href = tag.attr.url, type = tag.attr.type, length = tag.attr.length }):up();
b328ca621ba6 mod_pubsub_feeds: Translate RSS <enclosure> to Atom for podcasts
Kim Alvefur <zash@zash.se>
parents: 4427
diff changeset
17 end
b328ca621ba6 mod_pubsub_feeds: Translate RSS <enclosure> to Atom for podcasts
Kim Alvefur <zash@zash.se>
parents: 4427
diff changeset
18
2132
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
19 function rss2atom.author(atom_entry, tag)
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20 atom_entry:tag("author")
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
21 :tag("email"):text(tag:get_text()):up()
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
22 :up();
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
23 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
24
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
25 function rss2atom.guid(atom_entry, tag)
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
26 atom_entry:tag("id"):text(tag:get_text()):up();
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
27 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
28
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
29 function rss2atom.category(atom_entry, tag)
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
30 atom_entry:tag("category", { term = tag:get_text(), scheme = tag.attr.domain }):up();
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
31 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 function rss2atom.description(atom_entry, tag)
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34 atom_entry:tag("summary"):text(tag:get_text()):up();
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
37 local months = {
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
38 jan = "01", feb = "02", mar = "03", apr = "04", may = "05", jun = "06";
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39 jul = "07", aug = "08", sep = "09", oct = "10", nov = "11", dec = "12";
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
40 };
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
41
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
42 function rss2atom.pubDate(atom_entry, tag)
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
43 local pubdate = tag:get_text():gsub("^%a+,", ""):gsub("^%s*", "");
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
44 local date, month, year, hour, minute, second, zone =
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
45 pubdate:match("^(%d%d?) (%a+) (%d+) (%d+):(%d+):?(%d*) ?(.*)$");
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
46 if not date then return; end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
47 if #date == 1 then
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 date = "0"..date;
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 month = months[month:sub(1,3):lower()];
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51 if #year == 2 then -- GAH!
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
52 if tonumber(year) > 80 then
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
53 year = "19"..year;
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 else
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 year = "20"..year;
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
58 if zone == "UT" or zone == "GMT" then zone = "Z"; end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
59 if #second == 0 then
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
60 second = "00";
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
61 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 local date_string = string.format("%s-%s-%sT%s:%s:%s%s", year, month, date, hour, minute, second, zone);
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63 atom_entry:tag("published"):text(date_string):up();
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
65
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 -- Translate a single item to atom
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
67 local function translate_rss(rss_feed)
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
68 local feed = st.stanza("feed", { xmlns = "http://www.w3.org/2005/Atom" });
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 local channel = rss_feed:get_child("channel");
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
70 -- TODO channel properties
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
71 for item in channel:childtags("item") do
2378
649f733aa3dc mod_pubsub_feeds/feeds.lib: Fix converting RSS items to more than one Atom entry (thanks walduhu)
Kim Alvefur <zash@zash.se>
parents: 2133
diff changeset
72 feed:tag("entry");
2133
85762420a2c0 mod_pubsub_feeds: Use correct loop variable
Kim Alvefur <zash@zash.se>
parents: 2132
diff changeset
73 for tag in item:childtags() do
2132
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 local translator = rss2atom[tag.name];
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
75 if translator then
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 translator(feed, tag);
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
77 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
78 end
4427
c402b273f2e3 mod_pubsub_feeds: Copy Atom tags from RSS as-is
Kim Alvefur <zash@zash.se>
parents: 2378
diff changeset
79 -- Preserve Atom-namespaced items
c402b273f2e3 mod_pubsub_feeds: Copy Atom tags from RSS as-is
Kim Alvefur <zash@zash.se>
parents: 2378
diff changeset
80 for atomtag in item:childtags(nil, "http://www.w3.org/2005/Atom") do
c402b273f2e3 mod_pubsub_feeds: Copy Atom tags from RSS as-is
Kim Alvefur <zash@zash.se>
parents: 2378
diff changeset
81 feed:add_child(st.clone(atomtag));
c402b273f2e3 mod_pubsub_feeds: Copy Atom tags from RSS as-is
Kim Alvefur <zash@zash.se>
parents: 2378
diff changeset
82 end
2378
649f733aa3dc mod_pubsub_feeds/feeds.lib: Fix converting RSS items to more than one Atom entry (thanks walduhu)
Kim Alvefur <zash@zash.se>
parents: 2133
diff changeset
83 feed:reset();
2132
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
84 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
85 return feed;
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
86 end
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
87
b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
Kim Alvefur <zash@zash.se>
parents:
diff changeset
88 return { translate_rss = translate_rss }