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mod_pubsub_feeds/feeds.lib.lua @ 5383:df11a2cbc7b7
mod_http_oauth2: Implement RFC 7628 Proof Key for Code Exchange
Likely to become mandatory in OAuth 2.1.
Backwards compatible since the default 'plain' verifier would compare
nil with nil if the relevant parameters are left out.
author | Kim Alvefur <zash@zash.se> |
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date | Sat, 29 Apr 2023 13:09:46 +0200 |
parent | 4428:b328ca621ba6 |
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local st = require "util.stanza"; -- RSS->Atom translator -- http://code.matthewwild.co.uk/lua-feeds/ -- Helpers to translate item child elements local rss2atom = {}; function rss2atom.title(atom_entry, tag) atom_entry:tag("title"):text(tag:get_text()):up(); end function rss2atom.link(atom_entry, tag) atom_entry:tag("link", { href = tag:get_text() }):up(); end function rss2atom.enclosure(atom_entry, tag) atom_entry:tag("link", { rel = "enclosure", href = tag.attr.url, type = tag.attr.type, length = tag.attr.length }):up(); end function rss2atom.author(atom_entry, tag) atom_entry:tag("author") :tag("email"):text(tag:get_text()):up() :up(); end function rss2atom.guid(atom_entry, tag) atom_entry:tag("id"):text(tag:get_text()):up(); end function rss2atom.category(atom_entry, tag) atom_entry:tag("category", { term = tag:get_text(), scheme = tag.attr.domain }):up(); end function rss2atom.description(atom_entry, tag) atom_entry:tag("summary"):text(tag:get_text()):up(); end local months = { jan = "01", feb = "02", mar = "03", apr = "04", may = "05", jun = "06"; jul = "07", aug = "08", sep = "09", oct = "10", nov = "11", dec = "12"; }; function rss2atom.pubDate(atom_entry, tag) local pubdate = tag:get_text():gsub("^%a+,", ""):gsub("^%s*", ""); local date, month, year, hour, minute, second, zone = pubdate:match("^(%d%d?) (%a+) (%d+) (%d+):(%d+):?(%d*) ?(.*)$"); if not date then return; end if #date == 1 then date = "0"..date; end month = months[month:sub(1,3):lower()]; if #year == 2 then -- GAH! if tonumber(year) > 80 then year = "19"..year; else year = "20"..year; end end if zone == "UT" or zone == "GMT" then zone = "Z"; end if #second == 0 then second = "00"; end local date_string = string.format("%s-%s-%sT%s:%s:%s%s", year, month, date, hour, minute, second, zone); atom_entry:tag("published"):text(date_string):up(); end -- Translate a single item to atom local function translate_rss(rss_feed) local feed = st.stanza("feed", { xmlns = "http://www.w3.org/2005/Atom" }); local channel = rss_feed:get_child("channel"); -- TODO channel properties for item in channel:childtags("item") do feed:tag("entry"); for tag in item:childtags() do local translator = rss2atom[tag.name]; if translator then translator(feed, tag); end end -- Preserve Atom-namespaced items for atomtag in item:childtags(nil, "http://www.w3.org/2005/Atom") do feed:add_child(st.clone(atomtag)); end feed:reset(); end return feed; end return { translate_rss = translate_rss }