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#!/bin/sh
# eget - simply shell on wget for loading directories over http
# Example use:
# eget ftp://ftp.altlinux.ru/pub/security/ssl/*
#
# Copyright (C) 2014-2014, 2016 Etersoft
# Copyright (C) 2014 Daniil Mikhailov <danil@etersoft.ru>
# Copyright (C) 2016 Vitaly Lipatov <lav@etersoft.ru>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
WGET="wget"
if [ "$1" = "-q" ] ; then
WGET="wget -q"
shift
fi
# TODO:
# download to this file
WGET_OPTION_TARGET=
if [ "$1" = "-O" ] ; then
TARGETFILE="$2"
WGET_OPTION_TARGET="-O $2"
shift 2
fi
# TODO:
# -P support
# If ftp protocol or have no asterisk, just download
# TODO: use has()
if echo "$1" | grep -q "\(^ftp://\|[^*]\)" ; then
$WGET $WGET_OPTION_TARGET "$1"
exit
fi
echo "Fall to http workaround"
URL=$(echo "$1" | grep "/$" || dirname "$1")
# mask allowed only in last part of path
MASK=$(basename "$1")
get_index()
{
MYTMPDIR="$(mktemp -d)"
INDEX=$MYTMPDIR/index
$WGET $URL -O $INDEX
}
print_files()
{
cat $INDEX | grep -o -E 'href="([^\*/"#]+)"' | cut -d'"' -f2
}
create_fake_files()
{
DIRALLFILES="$MYTMPDIR/files/"
mkdir -p "$DIRALLFILES"
print_files | while read line ; do
touch $DIRALLFILES/$(basename "$line")
done
}
download_files()
{
ERROR=0
for line in $DIRALLFILES/$MASK ; do
$WGET $URL/$(basename "$line") || ERROR=1
done
return $ERROR
}
get_index || exit
create_fake_files
download_files || echo "There was some download errors" >&2
rm -rf "$MYTMPDIR"