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-rwxr-xr-x.local/bin/rssget115
1 files changed, 115 insertions, 0 deletions
diff --git a/.local/bin/rssget b/.local/bin/rssget
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+#!/bin/bash
+
+# Searches the website for RSS feeds and adds them to newsboat url list. Can
+# also find hidden RSS feeds on various websites, namely Youtube, Reddit,
+# Vimeo, Github, Gitlab and Medium. Gets site url as $1 or (if not present)
+# from X clipboard. Gets tags as $2. If it finds more than one feed, calls
+# mew for the user to choose which one to add. I have bound it to a keyboard
+# shortcut so i copy a site link and easily add its feed to the reader.
+
+# Inspired by and based on the logic of this extension:
+# https://github.com/shevabam/get-rss-feed-url-extension
+
+# This script requires rssadd to add feeds to the list.
+
+getlink () {
+ local url="$1"
+ feeds="$(curl -s "$url" | rg -x '.*type=.*(rss|rdf|atom).*' | sed 's/ //g')"
+ url="$(echo $url | sed 's|^\(https://[^/]*/\).*|\1|')"
+
+ for rsspath in $feeds; do
+ rsspath="$(echo $rsspath | sed -n "s|.*href=['\"]\([^'\"]*\)['\"].*|\1|p")"
+ if echo "$rsspath" | rg "http" > /dev/null; then
+ link="$rsspath"
+ elif echo "$rsspath" | rg "^/" > /dev/null; then
+ link="$url$(echo $rsspath | sed 's|^/||')"
+ else
+ link="$url$rsspath"
+ fi
+ echo $link
+ done
+}
+
+getRedditRss() {
+ echo "${1%/}.rss"
+}
+
+getYoutubeRss() {
+ local url="$1"
+ path=$(echo "$url" | sed -e 's|^http[s]*://||')
+ case "$path" in
+ *"/channel/"*) channel_id="$(echo $path | sed -r 's|.*channel/([^/]*).*|\1|')" && feed="https://www.youtube.com/feeds/videos.xml?channel_id=${channel_id}" ;;
+ *"/c/"*|*"/user/"*)
+ feed=$(wget -q "$url" -O tmp_rssget_yt \
+ && sed -n 's|.*\("rssUrl":"[^"]*\).*|\1|; p' tmp_rssget_yt \
+ | rg rssUrl \
+ | sed 's|"rssUrl":"||') ;;
+ esac
+ echo "$feed"
+}
+
+getVimeoRss() {
+ local url="$1"
+ if echo "$url" | rg -q "/videos$"; then
+ feed_url=$(echo "$url" | sed 's/\/videos$//' | sed 's/\/$/\/rss/')
+ else
+ feed_url="${url}/videos/rss"
+ fi
+ echo "$feed_url"
+}
+
+getGithubRss () {
+ local url="${1%/}"
+ if echo $url | rg "github.com/[^/]*/[a-zA-Z0-9].*" >/dev/null ; then
+ echo "${url}/commits.atom"
+ echo "${url}/releases.atom"
+ echo "${url}/tags.atom"
+ elif echo $url | rg "github.com/[^/]*(/)" >/dev/null ; then
+ echo "${url}.atom"
+ fi
+}
+
+getGitlabRss () {
+ local url="${1%/}"
+ echo "${url}.atom"
+}
+
+getMediumRss () {
+ echo $1 | sed 's|/tag/|/feed/|'
+}
+
+
+if [ -n "$1" ] ; then
+ url="$1"
+else
+ url="$(wl-paste)"
+ [ -z "$url" ] && echo "usage: $0 url 'tag1 tag2 tag3'" && exit 1
+fi
+
+declare -a list=()
+
+yt_regex="^(http(s)?://)?((w){3}\.)?(youtube\.com|invidio\.us|invidious\.flokinet\.to|invidious\.materialio\.us|iv\.datura\.network|invidious\.perennialte\.ch|invidious\.fdn\.fr|invidious\.private\.coffee|invidious\.protokolla\.fi|invidious\.privacyredirect\.com|yt\.artemislena\.eu|yt\.drgnz\.club|invidious\.incogniweb\.net|yewtu\.be|inv\.tux\.pizza|invidious\.reallyaweso\.me|iv\.melmac\.space|inv\.us\.projectsegfau\.lt|inv\.nadeko\.net|invidious\.darkness\.services|invidious\.jing\.rocks|invidious\.privacydev\.net|inv\.in\.projectsegfau\.lt|invidious\.drgns\.space)/(channel|user|c).+"
+reddit_regex="^(http(s)?://)?((w){3}\.)?reddit\.com.*"
+vimeo_regex="^(http(s)?://)?((w){3}.)?vimeo\.com.*"
+if echo $url | rg -x "$yt_regex" >/dev/null ; then
+ list="$(getYoutubeRss "$url")"
+elif echo $url | rg -x "$reddit_regex" >/dev/null ; then
+ list="$(getRedditRss "$url")"
+# vimeo actually works with getlink
+elif echo $url | rg "$vimeo_regex" >/dev/null ; then
+ list="$(getVimeoRss "$url")"
+elif echo $url | rg "github.com" >/dev/null ; then
+ list="$(getGithubRss "$url")"
+# gitlab also works with getlink
+elif echo $url | rg "gitlab.com/[a-zA-Z0-9].*" >/dev/null ; then
+ list="$(getGitlabRss "$url")"
+elif echo $url | rg "medium.com/tag" >/dev/null ; then
+ list="$(getMediumRss "$url")"
+else
+ list="$(getlink "$url")"
+fi
+
+[ "$(echo "$list" | wc -l)" -eq 1 ] && chosen_link="$list" || chosen_link=$(printf '%s\n' "${list[@]}" | mew -p "Choose a feed:")
+tags="$2"
+ifinstalled rssadd && rssadd "$chosen_link" "$tags"
+echo "$chosen_link" "$tags"