Annotate

mod_pubsub_summary/mod_pubsub_summary.lua @ 5420:aa068449b0b6

mod_http_oauth2: Bail out of implicit flow on invalid or missing redirect Probably hasn't been tested, and maybe never will since it's disabled and more or less deprecated in OAuth 2.1
author Kim Alvefur <zash@zash.se>
date Sat, 06 May 2023 12:23:22 +0200
parent 5135:35085e0d52ad
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.
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2 --
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
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3 -- Compose a textual representation of Atom payloads
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4 module:hook("pubsub-summary/http://www.w3.org/2005/Atom", function (event)
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5 local payload = event.payload;
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6 local title = payload:get_child_text("title");
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35085e0d52ad mod_pubsub_summary: Trim preceding and trailing whitespace from title
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7 if title then title = title:gsub("^%s+", ""):gsub("%s+$", ""); end
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a620bf249e63 mod_pubsub_summary: Explain why it picks content or summary in a comment
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8 -- 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
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9 -- 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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10 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
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11 local content = content_tag and content_tag:get_text();
86a97e7572b2 mod_pubsub_summary: Fix traceback when <content> not included
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12 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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13 content = content:gsub("\n*<p[^>]*>\n*(.-)\n*</p>\n*", "%1\n\n");
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14 content = content:gsub("<li>(.-)</li>\n", "* %1\n");
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ade2064160e3 mod_pubsub_summary: Fix to not strip inline links
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parents: 4507
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15 content = content:gsub("<a[^>]*href=[\"'](.-)[\"'][^>]*>(.-)</a>", "\1%1\2%2\3");
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16 content = content:gsub("<b>(.-)</b>", "*%1*");
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17 content = content:gsub("<strong>(.-)</strong>", "*%1*");
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98864dffb231 mod_pubsub_summary: Fix conversion of emphasis _like this_ per XEP-0393
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18 content = content:gsub("<em>(.-)</em>", "_%1_");
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19 content = content:gsub("<i>(.-)</i>", "_%1_");
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20 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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21 content = content:gsub("<br[^>]*>", "\n");
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22 content = content:gsub("<[^>]+>", "");
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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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23 content = content:gsub("\1(.-)\2(.-)\3", "%2 <%1>");
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24 content = content:gsub("^%s*", ""):gsub("%s*$", "");
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25 content = content:gsub("\n\n\n+", "\n\n");
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Kim Alvefur <zash@zash.se>
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26 content = content:gsub("&(%w+);", {
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
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27 apos = "'";
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28 quot = '"';
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29 lt = "<";
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30 gt = ">";
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31 amp = "&";
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fcfe691d6322 mod_pubsub_summary: Use pre-escaped UTF-8 sequence for compat
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32 nbsp = "\194\160"; -- U+00A0
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33 });
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34 end
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35 local summary;
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09657f758f53 mod_pubsub_summary: Skip adding title if already part of summary
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36 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>
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37 summary = "*" .. title .. "*\n\n" .. content;
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38 elseif title or content then
3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
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39 summary = content or title;
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40 end
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07529dba102d mod_pubsub_summary: Include multiple links (e.g. podcast media)
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41 for link in payload:childtags("link") do
07529dba102d mod_pubsub_summary: Include multiple links (e.g. podcast media)
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42 if link and link.attr.href and link.attr.href ~= content then
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43 summary = (summary and summary .. "\n" or "") .. link.attr.href;
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cde38b7de04a mod_pubsub_summary: Hide link relation when value is "alternate"
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44 if link.attr.rel and link.attr.rel ~= "alternate" then summary = summary .. " [" .. link.attr.rel .. "]" end
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45 end
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3fe2c264aac4 mod_pubsub_summary: Mangle HTML payloads in Atom/RSS feeds
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46 end
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82e7251d4f52 mod_pubsub_summary: Render geo:-URI from OASIS emergency broadcasts
Kim Alvefur <zash@zash.se>
parents: 5129
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47 for area in payload:childtags("area", "urn:oasis:names:tc:emergency:cap:1.2") do
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parents: 5129
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48 local pos = area:get_child_text("circle");
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49 if pos then
82e7251d4f52 mod_pubsub_summary: Render geo:-URI from OASIS emergency broadcasts
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50 summary = summary .. "\n" .. "geo:"..pos:match("[%d.,]+");
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51 end
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52 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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53 return summary;
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54 end, 1);