diodemail/cmd/server/config.go

/* diodemail - send-only smtp server
 * Copyright (c) 2024 Gnarwhal
 *
 * This file is part of diodemail.
 *
 * diodemail 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 3 of the License, or (at your option) any later version.
 *
 * diodemail 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
 * diodemail. If not, see <https://www.gnu.org/licenses/>.
 */

package main

import (
	"os"
	"encoding/json"
)

type Config struct {
	LogLevel       string
	Host           string
	Ports          PortConfig
	Certificate    CertConfig
	Auth           AuthConfig
}

type PortConfig struct {
	Plain string
	TLS   string
}

type CertConfig struct {
	CertFile string
	KeyFile  string
}

type AuthConfig struct {
	Enabled      bool
	PasswordHash string
}

func LoadConfig(path string) (*Config, error) {
	contents, err := os.ReadFile(path)
	if err != nil {
		return nil, err
	}
	var config Config
	config.Ports.Plain = "disabled"
	config.Ports.TLS = "disabled"
	config.Auth.Enabled = true
	err = json.Unmarshal(contents, &config)
	if err != nil {
		return nil, err
	}
	return &config, nil
}