#!/bin/bash
# -----------------------------------------------------------------------------
# Adds or removes a user key for managing passwordless login to ONOS console.
# -----------------------------------------------------------------------------

usage="usage: $(basename $0) user {key|key-file|--remove}"

[ $# -lt 2 ] && echo "$usage" >&2 && exit 1

set -e

user=$1
[ -f $2 ] && key=$(cut -d\  -f2 $2) || key=$2

[ -z "$user" -o -z "$key" ] && echo "$usage" >&2 && exit 1

cd $(dirname $0)/../apache-karaf-*/etc
KEYS=keys.properties

# Remove the user key first, in case one was already present
egrep -v "^($user|karaf)[ ]*=" $KEYS > $KEYS.new && mv $KEYS.new $KEYS
if [ $key != "--remove" ]; then
    echo "$user=$key,_g_:admingroup" >> $KEYS
fi

# ensure .ssh directory and known_hosts file exist
mkdir -p $HOME/.ssh/
(umask 077; touch "$HOME/.ssh/known_hosts")

# Also, remove any previous known keys for the localhost.
which ssh-keygen >/dev/null && ssh-keygen -f "$HOME/.ssh/known_hosts" -R [localhost]:8101