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#! /bin/sh
set -e
usage()
{
echo "$0 <dir>"
}
if [ $# != 1 ]; then
usage >&2
exit 1
fi
DIR=$1
echo Username: >&2
read -r USER
DB="$DIR/db.json"
if jq '.users[].name' "$DB" | grep -q $USER
then
echo User $USER already in $DB >&2
exit 1
fi
echo Password: >&2
read -r PWD
echo "Quota, in MiB (leave empty for unlimited quota):" >&2
read -r QUOTA
PWD=$(printf '%s' $PWD | xxd -p | tr -d '\n')
SALT=$(openssl rand 32 | xxd -p | tr -d '\n')
KEY=$(openssl rand 32 | xxd -p | tr -d '\n')
PWD=$(printf '%s%s' $SALT $PWD)
ROUNDS=1000
for i in $(seq $ROUNDS)
do
printf "\r%d/$ROUNDS" $i >&2
PWD=$(printf '%s' $PWD | xxd -p -r | sha256sum | cut -d' ' -f1)
done
echo >&2
TMP=$(mktemp)
cleanup()
{
rm -f $TMP
}
trap cleanup EXIT
jq ".users += [
{
\"name\": \"$USER\",
\"password\": \"$PWD\",
\"salt\": \"$SALT\",
\"key\": \"$KEY\",
\"quota\": \"$QUOTA\"
}]" "$DB" > $TMP
mv $TMP "$DB"
mkdir "$DIR/user/$USER"
test -d "$DIR/thumbnails" && mkdir -p "$DIR/thumbnails/$USER"
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