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|
#!/usr/bin/env bash
echo() { printf '%s\n' "$*"; }
html() {
: "${LIMIT:=12}"
: "${FRESH_DAYS:=1}"
: "${STALE_DAYS:=4}"
aside="$(mktemp /tmp/sfeed_html_aside.XXXXXX)"
cat <<EOF
$(html_head)
<body>
<header>
<h1>
<a href="index.html"><img src="mars-eyes.png"
title="$(fortune | tr -d '"')"
width="40" height="39"
alt="mars, but with eyes" /></a>
Planet ACDW</h1>
<p class="last-updated">last updated at <time>$(date -R)</time></p>
</header>
<nav>
<a href="#" id="stalebutton">hide stale</a>
//
<a href="feeds-short.xml">rss</a>
//
<a href="feeds.html">all</a>
(<a href="feeds.xml">rss</a>)
//
<a href="feeds.txt">twtxt</a>
//
<a href="feeds.opml">opml</a>
</nav>
<main>
$(html_main "$@")
<aside><ul id="feedlist">$(cat "$aside")</ul></aside>
</main>
<footer>
Generated by <a href="https://codemadness.org/sfeed-simple-feed-parser.html">sfeed</a>
using <a href="https://git.acdw.net/sfeed/">this configuration</a>.
<a href="mailto:planet@me.acdw.net">suggest a feed!</a>
</footer>
<script>
var staleHidden = false;
var staleItems = new Set(document.getElementsByClassName("stale"));
var staleFeeds = new Set(document.getElementsByClassName("stale_feed"));
var feedlistFeeds = new Set(document.getElementById("feedlist").children);
function hideShowStale(){
var display;
if (staleHidden) {
display = null; staleHidden = false;
flBG = null; flBB = null;
} else {
display = 'none'; staleHidden = true;
flBG = 'inherit'; flBB = '1px solid';
}
staleItems.forEach(e => { e.style.display = display; });
staleFeeds.forEach(e => { e.style.display = display; });
if (window.innerWidth > 720) {
feedlistFeeds.forEach(e => { e.style.background = flBG; e.style.borderBottom = flBB; });
}
}
var button = document.getElementById("stalebutton");
button.addEventListener("click", function() {
hideShowStale();
if (staleHidden) { button.textContent = "show stale"; }
else { button.textContent = "hide stale"; }
});
</script>
</body>
</html>
EOF
rm "$aside"
}
html_head() {
cat <<EOF
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Planet ACDW</title>
<link rel="stylesheet" type="text/css" href="style.css">
<link rel="shortcut icon" type="image/png" href="mars-eyes.png">
<link rel="alternate" type="application/atom+xml" title="rss (full)" href="feeds.xml">
<link rel="alternate" type="application/atom+xml" title="rss (short)" href="feeds-short.xml">
<link rel="alternate" type="application/xml" title="opml" href="feeds.opml">
<link rel="alternate" type="text/plain" title="twtxt" href="feeds.txt">
</head>
EOF
}
html_main() {
cat <<EOF
<section id="list">
$(for file in "$@"; do html_feed "$file"; done)
</section>
EOF
}
filter_invidious() {
# Convert youtube links to invidious links
sed -e "s@https://www\.youtube\.com@https://piped.kavin.rocks@" \
-e 's@https://i\.reddit\.com@https://libreddit.spike.codes@' \
-e 's@https://twitter\.com@https://nitter.net@'
}
html_feed() { # html_feed FEED(file) => HTML
filename="$(basename "$1")"
now="$(date +%s)"
fresh_secs="$((FRESH_DAYS * 24 * 60 * 60))"
stale_secs="$((STALE_DAYS * 24 * 60 * 60))"
## ENTRIES
entries="$(awk -v NOW="$now" \
-v FRESH_SECS="$fresh_secs" -v STALE_SECS="$stale_secs" \
-v NAME="$filename" -v FNAME="$filename" \
-v ASIDE="$aside" -v limit="$LIMIT" \
'BEGIN { FS="\t"; fresh_feed = 0; FRESH = (NOW - FRESH_SECS); }
FNR == 1 { nitem = 0; }
NAME ~ /\[yt\]$/ { sub(/ \[yt\]$/, "", NAME); yt = 1; }
function unescape(t) {
t = html_escape(t);
gsub(/\\\t/,"\t",t);
gsub(/\\\n/,"\n",t);
gsub(/\\\\/,"\\",t);
return t
}
function html_escape(t) {
gsub(/</,"\\<",t);
gsub(/>/,"\\>",t);
gsub(/&/,"\\&",t);
return t
}
{
if (limit && (++nitem > limit)) next;
timestamp=$1;
title=$2;
link=$3;
content=unescape($4);
content_type=$5;
id=$6;
author=$7;
enclosure=$8;
category=$9;
if (limit && (timestamp < (NOW - STALE_SECS))) next;
show_in_sidebar = 1;
#print timestamp, title, link > "/dev/stderr";
date_cmd = "date -d \"@" timestamp "\" +\"%F %R\""
if (timestamp) {
date_cmd | getline ts;
close(date_cmd);
}
fresh = (timestamp >= FRESH)
if (fresh) fresh_feed = 1;
print "<tr class=\"entry " (fresh ? "fresh" : "stale") "\">"
print "<td class=\"entry-timestamp\">" ts "</td>"
printf "%s", "<td class=\"entry-extra\">"
if (enclosure) {
stamp = "@"
extra_title = " title=\"enclosure\""
printf "%s", "<a href=\"" enclosure "\"" extra_title " target=\"_blank\">" stamp "</a>"
}
if ((link != id) && (id != enclosure) && (id ~ /^https?:/)) {
stamp = "&"
extra_title = " title=\"alternate link\""
printf "%s", "<a href=\"" id "\"" extra_title " target=\"_blank\">" stamp "</a>"
}
print "</td>"
printf "<td class=\"entry-title%s", silo_links(link)
print "\"><a href=\"" link "\" target=\"_blank\">" title "</a></td>"
print "</tr>"
}
END {
if (show_in_sidebar) {
printf "<li class=\"%s\">", (fresh_feed?"fresh":"stale") >> ASIDE
printf "<a%s href=\"#%s\">%s</a></li>\n", (yt ? " class=\"yt\"" : ""), FNAME, NAME >> ASIDE
}
printf "%s", (stamp ? stamp : ".") > "/dev/stderr"
}
function silo_links(link) {
if (link ~ /youtube\.com/) return " youtube"
if (link ~ /facebook\.com/) return " facebook"
if (link ~ /twitter\.com/) return " twitter"
if (link ~ /reddit\.com/) return " reddit"
return ""
}
' "$1" | filter_invidious)"
if [ -z "$entries" ]; then return 1; fi
fresh_feed='stale_feed'
if echo "$entries" | grep -q 'class="[^"]*fresh"'; then fresh_feed='fresh_feed'; fi
printf '<section id="%s" class="%s">\n' "$filename" "$fresh_feed"
case "$filename" in
*\[yt\]) yt=" class=\"yt\"" ;;
*) yt="" ;;
esac
fn="$(echo "$filename" | sed 's@ \[yt\]$@@')"
printf '<header><h2%s><a href="#%s">#</a> %s</h2>\n' "$yt" "$filename" "$fn"
echo "<span class=\"flinks\">"
if [ -f "$SFEED_DATA/urls/$filename" ]; then
feed_url="$(sed -n '1p;1q' "$SFEED_DATA/urls/$filename")"
site_url="$(sed -n '2p;2q' "$SFEED_DATA/urls/$filename")"
[ -n "$site_url" ] && printf '<a class="site-url" href="%s">%s</a>\n//\n' "$site_url" site
[ -n "$feed_url" ] && printf '<a class="feed-url" href="%s">%s</a>\n//\n' "$feed_url" feed
fi
printf '<a class="top" href="#">%s</a>' top
echo "</span></header>"
echo "<table class=\"entries\">"
echo "$entries"
echo "</table>"
echo "</section>"
}
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
html "$@"
fi
|
