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annotate mod_pubsub_feeds/feeds.lib.lua @ 4409:44f6537f6427

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mod_invites_adhoc: Fail contact invite if user is not on current host Only the username was being used, and the host of the requester ignored. Luckily this only affects admins of the host. If they want to create an account they can use the other command. If they want to create a contact they should request from their account on this host.
author Matthew Wild <mwild1@gmail.com>
date Thu, 28 Jan 2021 07:04:11 +0000
parents 649f733aa3dc
children c402b273f2e3
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b149ea428b81 mod_pubsub_feeds: Switch to use util.xml for parsing feeds and include RSS to Atom translation code from lua-feeds
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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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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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15 function rss2atom.author(atom_entry, tag)
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16 atom_entry:tag("author")
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17 :tag("email"):text(tag:get_text()):up()
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18 :up();
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19 end
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21 function rss2atom.guid(atom_entry, tag)
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22 atom_entry:tag("id"):text(tag:get_text()):up();
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23 end
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25 function rss2atom.category(atom_entry, tag)
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26 atom_entry:tag("category", { term = tag:get_text(), scheme = tag.attr.domain }):up();
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27 end
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29 function rss2atom.description(atom_entry, tag)
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30 atom_entry:tag("summary"):text(tag:get_text()):up();
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31 end
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33 local months = {
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34 jan = "01", feb = "02", mar = "03", apr = "04", may = "05", jun = "06";
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35 jul = "07", aug = "08", sep = "09", oct = "10", nov = "11", dec = "12";
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36 };
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38 function rss2atom.pubDate(atom_entry, tag)
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39 local pubdate = tag:get_text():gsub("^%a+,", ""):gsub("^%s*", "");
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40 local date, month, year, hour, minute, second, zone =
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41 pubdate:match("^(%d%d?) (%a+) (%d+) (%d+):(%d+):?(%d*) ?(.*)$");
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42 if not date then return; end
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43 if #date == 1 then
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44 date = "0"..date;
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45 end
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46 month = months[month:sub(1,3):lower()];
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47 if #year == 2 then -- GAH!
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48 if tonumber(year) > 80 then
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49 year = "19"..year;
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50 else
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51 year = "20"..year;
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52 end
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53 end
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54 if zone == "UT" or zone == "GMT" then zone = "Z"; end
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55 if #second == 0 then
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56 second = "00";
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57 end
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58 local date_string = string.format("%s-%s-%sT%s:%s:%s%s", year, month, date, hour, minute, second, zone);
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59 atom_entry:tag("published"):text(date_string):up();
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60 end
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61
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62 -- Translate a single item to atom
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63 local function translate_rss(rss_feed)
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64 local feed = st.stanza("feed", { xmlns = "http://www.w3.org/2005/Atom" });
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65 local channel = rss_feed:get_child("channel");
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66 -- TODO channel properties
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67 for item in channel:childtags("item") do
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68 feed:tag("entry");
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69 for tag in item:childtags() do
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70 local translator = rss2atom[tag.name];
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71 if translator then
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72 translator(feed, tag);
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73 end
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74 end
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75 feed:reset();
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76 end
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77 return feed;
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78 end
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79
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80 return { translate_rss = translate_rss }