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#!/bin/bash
# secureblob.php https://github.com/moparisthebest/secureblob
# Copyright (C) 2014 moparisthebest (Travis Burtrum)
#
# 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/>.
file_age_hours(){
file="$1"
from_date="$2"
[ -z "$from_date" ] && from_date="$(date +%s)"
seconds_diff="$(($from_date - $(stat -c '%Y' "$file")))"
echo "$(($seconds_diff/60/60))"
}
from_date="$(date +%s)"
find /tmp/secureblob /run/shm/secureblob -type f -name failed-attempts -mmin +60 | while read file
do
dir="$(dirname "$file")"
[ "$(file_age_hours "$file" "$from_date")" -lt "$(cat "$dir/time-to-live")" ] 2>/dev/null || {
# done this way so if time-to-live isn't a proper number we delete everything
find "$dir" -type f -exec shred --force --remove '{}' \;
rm -rf "$dir"
}
done
exit
# set up tests
rm -rf /run/shm/secureblob /tmp/secureblob
mkdir -p /run/shm/secureblob /tmp/secureblob /tmp/secureblob/bob /tmp/secureblob/tom
touch /tmp/secureblob/tom/failed-attempts
echo 1 > /tmp/secureblob/tom/time-to-live
touch --date='3 hours ago' /tmp/secureblob/bob/failed-attempts
echo 2 > /tmp/secureblob/bob/time-to-live
# end tests