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#! /bin/sh -
#
# $FreeBSD$
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2020 Mateusz Piotrowski <0mp@FreeBSD.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     1. Redistributions of source code must retain the above copyright notice,
#        this list of conditions and the following disclaimer.
#     2. Redistributions in binary form must reproduce the above copyright
#        notice, this list of conditions and the following disclaimer in the
#        documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# PROVIDE: signal_cli
# REQUIRE: DAEMON LOGIN NETWORKING dbus

. /etc/rc.subr

name='signal_cli'
rcvar='signal_cli_enable'

# User-facing settings and their default values.
: "${signal_cli_enable:=NO}"
: "${signal_cli_phone_number}"  # No default value. Kept here for consistency.
: "${signal_cli_config_dir:="/var/lib/signal-cli"}"

pidfile="/var/run/signal_cli.pid"
procname="%%JAVA_HOME%%/bin/java"

_daemon_args="-p ${pidfile} -u signal-cli"
_signal_cli="%%PREFIX%%/bin/signal-cli --config ${signal_cli_config_dir}"
_signal_cli_args="-u ${signal_cli_phone_number}"
_signal_cli_cmd="daemon"
_signal_cli_cmd_opts="--system"
command="/usr/sbin/daemon"
command_args="${_daemon_args} ${_signal_cli} ${_signal_cli_args} ${_signal_cli_cmd} ${_signal_cli_cmd_opts}"
extra_commands="runcli"

start_precmd="signal_cli_prestart"
runcli_precmd="signal_cli_preruncli"
runcli_cmd="signal_cli_runcli"

signal_cli_create_config_dir() {
	if ! install -d -o signal-cli -g signal-cli -m 700 "${signal_cli_config_dir}"; then
		err 1 "Failed to create a config directory at \"${signal_cli_create_config_dir}\""
	fi
}

signal_cli_prestart() {
	if [ -z "${signal_cli_phone_number}" ]; then
		err 1 "Phone number not provided; please set signal_cli_phone_number"
	fi
	signal_cli_create_config_dir
}

signal_cli_preconfigure() {
	signal_cli_create_config_dir
}

# The "runcli" command can be used to run any signal-cli command (for example
# "link -n DEVICENAME") from the environment of the service.
signal_cli_runcli() {
	chroot -u signal-cli / ${_signal_cli} "$@"
}

load_rc_config "$name"
run_rc_command "$@"