55 lines
1.2 KiB
Bash
55 lines
1.2 KiB
Bash
#!/bin/sh
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# env
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# Written in 2019 by Leslie
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# Modified in 2019 by Lucas
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# CC0 1.0 Universal/Public domain - No rights reserved
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#
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# To the extent possible under law, the author(s) have dedicated all
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# copyright and related and neighboring rights to this software to the
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# public domain worldwide. This software is distributed without any
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# warranty. You should have received a copy of the CC0 Public Domain
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# Dedication along with this software. If not, see
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# <http://creativecommons.org/publicdomain/zero/1.0/>.
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usage() {
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printf "Usage: %s url\n" "${0##*/}" >&2
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exit 1
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}
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if [ $# -ne 1 ]; then
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usage
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fi
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case $1 in
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"https://invidio.us/watch?v="*)
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;;
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*) printf "%s: Not an invidio.us url.\n" "${0##*/}" >&2
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exit 1
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esac
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video_id=
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for param in $(printf "%s\n" "${1##*"?"}" | tr "&" "\n"); do
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k=${param%%=*}
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[ "$k" = v ] || continue
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v=${param#*=}
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if [ ${#v} -ne 11 ]; then
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printf "%s: "%s": not a video id.\n" "${0##*/}" "$v" >&2
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continue
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fi
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video_id=$v
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break
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done
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if [ -z "$video_id" ]; then
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printf "%s: no video ID in URL.\n" "${0##*/}" >&2
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exit 1
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fi
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dl_option=$(ftp -o - "$1" 2>/dev/null \
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| grep "<option value='{" \
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| head -n 1 | cut -d "\"" -f 8)
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printf "https://invidio.us/latest_version?id=%s&itag=%s\n" \
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"$video_id" "$dl_option"
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