Mercurial > prosody-modules
annotate mod_pubsub_feeds/feeds.lib.lua @ 5406:b86d80e21c60
mod_http_oauth2: Validate consistency of response and grant types
Ensure that these correlated fields make sense per RFC 7591 ยง 2.1, even
though we currently only check the response type during authorization.
This could probably all be deleted if (when!) we remove the implicit
grant, since then these things don't make any sense anymore.
author | Kim Alvefur <zash@zash.se> |
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date | Tue, 02 May 2023 16:34:31 +0200 |
parents | b328ca621ba6 |
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1 local st = require "util.stanza"; |
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2 -- RSS->Atom translator |
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3 -- http://code.matthewwild.co.uk/lua-feeds/ |
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4 |
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5 -- Helpers to translate item child elements |
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6 local rss2atom = {}; |
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7 function rss2atom.title(atom_entry, tag) |
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8 atom_entry:tag("title"):text(tag:get_text()):up(); |
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9 end |
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10 |
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11 function rss2atom.link(atom_entry, tag) |
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12 atom_entry:tag("link", { href = tag:get_text() }):up(); |
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13 end |
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14 |
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15 function rss2atom.enclosure(atom_entry, tag) |
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16 atom_entry:tag("link", { rel = "enclosure", href = tag.attr.url, type = tag.attr.type, length = tag.attr.length }):up(); |
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17 end |
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18 |
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19 function rss2atom.author(atom_entry, tag) |
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20 atom_entry:tag("author") |
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21 :tag("email"):text(tag:get_text()):up() |
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22 :up(); |
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23 end |
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24 |
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25 function rss2atom.guid(atom_entry, tag) |
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26 atom_entry:tag("id"):text(tag:get_text()):up(); |
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27 end |
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28 |
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29 function rss2atom.category(atom_entry, tag) |
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30 atom_entry:tag("category", { term = tag:get_text(), scheme = tag.attr.domain }):up(); |
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31 end |
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32 |
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33 function rss2atom.description(atom_entry, tag) |
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34 atom_entry:tag("summary"):text(tag:get_text()):up(); |
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35 end |
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36 |
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37 local months = { |
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38 jan = "01", feb = "02", mar = "03", apr = "04", may = "05", jun = "06"; |
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39 jul = "07", aug = "08", sep = "09", oct = "10", nov = "11", dec = "12"; |
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40 }; |
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41 |
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42 function rss2atom.pubDate(atom_entry, tag) |
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43 local pubdate = tag:get_text():gsub("^%a+,", ""):gsub("^%s*", ""); |
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44 local date, month, year, hour, minute, second, zone = |
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45 pubdate:match("^(%d%d?) (%a+) (%d+) (%d+):(%d+):?(%d*) ?(.*)$"); |
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46 if not date then return; end |
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47 if #date == 1 then |
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48 date = "0"..date; |
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49 end |
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50 month = months[month:sub(1,3):lower()]; |
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51 if #year == 2 then -- GAH! |
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52 if tonumber(year) > 80 then |
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53 year = "19"..year; |
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54 else |
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55 year = "20"..year; |
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56 end |
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57 end |
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58 if zone == "UT" or zone == "GMT" then zone = "Z"; end |
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59 if #second == 0 then |
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60 second = "00"; |
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61 end |
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62 local date_string = string.format("%s-%s-%sT%s:%s:%s%s", year, month, date, hour, minute, second, zone); |
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63 atom_entry:tag("published"):text(date_string):up(); |
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64 end |
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65 |
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66 -- Translate a single item to atom |
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67 local function translate_rss(rss_feed) |
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68 local feed = st.stanza("feed", { xmlns = "http://www.w3.org/2005/Atom" }); |
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69 local channel = rss_feed:get_child("channel"); |
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70 -- TODO channel properties |
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71 for item in channel:childtags("item") do |
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72 feed:tag("entry"); |
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73 for tag in item:childtags() do |
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74 local translator = rss2atom[tag.name]; |
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75 if translator then |
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76 translator(feed, tag); |
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77 end |
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78 end |
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79 -- Preserve Atom-namespaced items |
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80 for atomtag in item:childtags(nil, "http://www.w3.org/2005/Atom") do |
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81 feed:add_child(st.clone(atomtag)); |
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82 end |
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83 feed:reset(); |
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84 end |
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85 return feed; |
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86 end |
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87 |
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88 return { translate_rss = translate_rss } |