annotate mod_pubsub_summary/mod_pubsub_summary.lua @ 4887:806f7c8d830b

mod_ping_muc: Remove 'kick' status code The intent is "you fell off", not "you were kicked out", however older clients may not recognise the 333 code, but that will have to be an acceptable loss.
author Kim Alvefur <zash@zash.se>
date Mon, 07 Feb 2022 16:52:19 +0100
parents fcfe691d6322
children cde38b7de04a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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1 -- No, not trying to parse HTML here. It's an illusion. Just trying to read RSS feeds.
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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2 --
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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3 -- Compose a textual representation of Atom payloads
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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4 module:hook("pubsub-summary/http://www.w3.org/2005/Atom", function (event)
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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5 local payload = event.payload;
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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6 local title = payload:get_child_text("title");
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a620bf249e63 mod_pubsub_summary: Explain why it picks content or summary in a comment
Kim Alvefur <zash@zash.se>
parents: 4426
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7 -- Note: This prefers content over summary, it was made for a news feed where
a620bf249e63 mod_pubsub_summary: Explain why it picks content or summary in a comment
Kim Alvefur <zash@zash.se>
parents: 4426
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8 -- the interesting stuff was in the content and the summary was .. meh.
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3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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9 local content_tag = payload:get_child("content") or payload:get_child("summary");
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86a97e7572b2 mod_pubsub_summary: Fix traceback when <content> not included
Kim Alvefur <zash@zash.se>
parents: 4438
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10 local content = content_tag and content_tag:get_text();
86a97e7572b2 mod_pubsub_summary: Fix traceback when <content> not included
Kim Alvefur <zash@zash.se>
parents: 4438
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11 if content and content_tag.attr.type == "html" then
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3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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12 content = content:gsub("\n*<p[^>]*>\n*(.-)\n*</p>\n*", "%1\n\n");
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Kim Alvefur <zash@zash.se>
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13 content = content:gsub("<li>(.-)</li>\n", "* %1\n");
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ade2064160e3 mod_pubsub_summary: Fix to not strip inline links
Kim Alvefur <zash@zash.se>
parents: 4507
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14 content = content:gsub("<a[^>]*href=[\"'](.-)[\"'][^>]*>(.-)</a>", "\1%1\2%2\3");
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3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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15 content = content:gsub("<b>(.-)</b>", "*%1*");
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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16 content = content:gsub("<strong>(.-)</strong>", "*%1*");
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98864dffb231 mod_pubsub_summary: Fix conversion of emphasis _like this_ per XEP-0393
Kim Alvefur <zash@zash.se>
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17 content = content:gsub("<em>(.-)</em>", "_%1_");
98864dffb231 mod_pubsub_summary: Fix conversion of emphasis _like this_ per XEP-0393
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18 content = content:gsub("<i>(.-)</i>", "_%1_");
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3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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19 content = content:gsub("<img[^>]*src=[\"'](.-)[\"'][^>]*>", " %1 "); -- TODO alt= would have been nice to grab
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Kim Alvefur <zash@zash.se>
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20 content = content:gsub("<br[^>]*>", "\n");
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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21 content = content:gsub("<[^>]+>", "");
4513
ade2064160e3 mod_pubsub_summary: Fix to not strip inline links
Kim Alvefur <zash@zash.se>
parents: 4507
diff changeset
22 content = content:gsub("\1(.-)\2(.-)\3", "%2 <%1>");
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3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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23 content = content:gsub("^%s*", ""):gsub("%s*$", "");
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Kim Alvefur <zash@zash.se>
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24 content = content:gsub("\n\n\n+", "\n\n");
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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25 content = content:gsub("&(%w+);", {
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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26 apos = "'";
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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27 quot = '"';
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
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28 lt = "<";
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29 gt = ">";
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
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30 amp = "&";
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fcfe691d6322 mod_pubsub_summary: Use pre-escaped UTF-8 sequence for compat
Kim Alvefur <zash@zash.se>
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31 nbsp = "\194\160"; -- U+00A0
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32 });
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33 end
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
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34 local summary;
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09657f758f53 mod_pubsub_summary: Skip adding title if already part of summary
Kim Alvefur <zash@zash.se>
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35 if title and content and content:sub(1, #title) ~= title then
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2bb11055e4bb mod_pubsub_summary: Make titles *bold* to stand out more
Kim Alvefur <zash@zash.se>
parents: 4437
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36 summary = "*" .. title .. "*\n\n" .. content;
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3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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37 elseif title or content then
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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38 summary = content or title;
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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39 end
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07529dba102d mod_pubsub_summary: Include multiple links (e.g. podcast media)
Kim Alvefur <zash@zash.se>
parents: 4435
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40 for link in payload:childtags("link") do
07529dba102d mod_pubsub_summary: Include multiple links (e.g. podcast media)
Kim Alvefur <zash@zash.se>
parents: 4435
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41 if link and link.attr.href and link.attr.href ~= content then
07529dba102d mod_pubsub_summary: Include multiple links (e.g. podcast media)
Kim Alvefur <zash@zash.se>
parents: 4435
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42 summary = (summary and summary .. "\n" or "") .. link.attr.href;
07529dba102d mod_pubsub_summary: Include multiple links (e.g. podcast media)
Kim Alvefur <zash@zash.se>
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43 if link.attr.rel then summary = summary .. " [" .. link.attr.rel .. "]" end
07529dba102d mod_pubsub_summary: Include multiple links (e.g. podcast media)
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parents: 4435
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44 end
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3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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45 end
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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46 return summary;
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
Kim Alvefur <zash@zash.se>
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47 end, 1);