annotate mod_pubsub_summary/mod_pubsub_summary.lua @ 5271:3a1df3adad0c

mod_http_oauth2: Allow user to decide which requested scopes to grant These should at the very least be shown to the user, so they can decide whether to grant them. Considered whether to filter the requested scopes down to actually understood scopes that would be granted, but decided that this was a bit complex for a first step, since role role selection and other kinds of scopes are mixed into the same field here.
author Kim Alvefur <zash@zash.se>
date Thu, 23 Mar 2023 16:28:08 +0100
parents 35085e0d52ad
children
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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 --
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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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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();
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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
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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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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
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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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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
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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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parents: 4435
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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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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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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);