76 lines
1.6 KiB
Bash
76 lines
1.6 KiB
Bash
#!/bin/sh
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# fetch
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# Written in 2019-2020 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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{
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printf "Usage: %s [-T] URL [URL ...]\n" "${0##*/}" >&2
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exit 1
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}
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fetch_cmd()
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{
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if tty=$(tty) && [ "$tty" != "not a tty" ]; then
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$torsocks ftp "$@" >"$tty"
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else
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$torsocks ftp "$@"
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fi
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}
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find_dir()
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{
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find "$ARCHIVE_BASEDIR" -type d -name "$1"
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}
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torsocks=torsocks
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while getopts T flag; do
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case $flag in
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T) torsocks=
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;;
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*) usage
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;;
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esac
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done
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shift $(($OPTIND - 1))
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[ $# -gt 0 ] || usage
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: ${ARCHIVE_BASEDIR:=~/tmp/archive}
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mkdir -p "$ARCHIVE_BASEDIR"
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everything=$ARCHIVE_BASEDIR/everything
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test -f "$everything" || touch "$everything"
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dir=$ARCHIVE_BASEDIR/$(date +%Y/%m/%d)
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mkdir -p "$dir" || exit 1
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rc=0
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for url; do
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sha=$(printf "%s" "$url" | sha256)
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outdir=$dir/$sha
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if grep -q "^$url\$" "$everything"; then
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printf "%s: \"%s\" already fetched.\n" "${0##*/}" "$url" >&2
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printf "%s/file\n" "$(find_dir "$sha")"
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continue
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fi
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mkdir -p "$outdir"
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{
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fetch_cmd -o "$outdir/file" "$url" \
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&& printf "%s\n" "$url" >"$outdir/url" \
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&& printf "%s\n" "$name" >"$outdir/name" \
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&& printf "%s\n" "$url" >>"$everything" \
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&& printf "%s\n" "$outdir/file"
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} || rc=1
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done
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exit $rc
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