#!/bin/bash -e

#   Copyright (c) 2014 Luke Shumaker <lukeshu@sbcglobal.net>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 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 General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.

export PATH

usage() {
	printf 'Usage: %s [USERNAME]\n' "${0##*/}"
	printf 'A username may only be specified if run as root or WEBUSER.\n'
}

main() {
	. @pkgconffile@

	[[ -e "${WEBDIR}/manage.py" ]]
	[[ -n "${WEBUSER}" ]]

	RUSER=${SUDO_USER:-${SUID_USER:-$USER}}
	EUSER=${USER}

	if [[ $EUSER == root ]] || [[ $EUSER == "$WEBUSER" ]]; then
		if [[ $# -gt 1 ]]; then
			usage >&2
			return 1
		fi
		username=${1:-$RUSER}
	else
		if [[ $# -gt 0 ]]; then
			usage >&2
			return 1
		fi
		username=$RUSER
	fi

	sudo -u "${WEBUSER}" python2 "${WEBDIR}/manage.py" changepassword "${username}"
}

main "$@"