env/bin/invidious.sh

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#!/bin/sh
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# invidious
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# Written in 2019 by Leslie
# Modified in 2019-2020 by Lucas
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# CC0 1.0 Universal/Public domain - No rights reserved
#
# To the extent possible under law, the author(s) have dedicated all
# copyright and related and neighboring rights to this software to the
# public domain worldwide. This software is distributed without any
# warranty. You should have received a copy of the CC0 Public Domain
# Dedication along with this software. If not, see
# <http://creativecommons.org/publicdomain/zero/1.0/>.
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usage()
{
printf "Usage: [-T] %s url\n" "${0##*/}" >&2
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exit 1
}
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err()
{
printf "%s: %s\n" "${0##*/}" "$*" >&2
exit 1
}
api()
{
printf "https://%s%s\n" "$INVIDIOUS" "$*"
}
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known_site()
{
printf "%s\n" "$1" | grep -Eq \
-e "^https://(www\.)?youtube\.com/" \
-e "^https://youtu\.be/" \
-e "^https://(www\.)?invidio\.us/" \
-e "^https://invidious\.snopyta\.org/" \
-e "^https://yewtu\.be/"
}
: ${INVIDIOUS:=invidious.snopyta.org}
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torsocks=torsocks
while getopts T flag; do
case $flag in
T) torsocks=
;;
*) usage
;;
esac
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done
shift $((OPTIND - 1))
[ $# -eq 1 ] || usage
url=$1
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known_site "$url" || err "Unknown site: $url"
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oldIFS=$IFS
IFS="&"
set -- ${url##*"?"}
IFS=$oldIFS
id=
for param; do
case $param in
v=*) id=${param#v=}
[ ${#id} -eq 11 ] || err "invalid video ID"
;;
esac
done
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[ -n "$id" ] || err "no video ID in URL"
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# XXX choose in some clever way
itag=$(torsocks ftp -MVo - "$(api "/api/v1/videos/$id")" |
jq -r ".formatStreams[].itag" | head -n 1)
api "/latest_version?id=$id&itag=$itag"