/
config.go
74 lines (63 loc) · 1.7 KB
/
config.go
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// Copyright (c) 2012-2014 Jeremy Latt
// Copyright (c) 2014-2015 Edmund Huber
// Copyright (c) 2016-2017 Daniel Oaks <daniel@danieloaks.net>
// released under the MIT license
package ircbnc
import (
"crypto/tls"
"errors"
"io/ioutil"
"log"
"gopkg.in/yaml.v2"
)
// TLSListenConfig defines configuration options for listening on TLS
type TLSListenConfig struct {
Cert string
Key string
}
// Config returns the TLS certificate assicated with this TLSListenConfig
func (conf *TLSListenConfig) Config() (*tls.Config, error) {
cert, err := tls.LoadX509KeyPair(conf.Cert, conf.Key)
if err != nil {
return nil, errors.New("tls cert+key: invalid pair")
}
return &tls.Config{
Certificates: []tls.Certificate{cert},
}, err
}
// Config defines a configuration file for GoshuBNC
type Config struct {
Bouncer struct {
Storage map[string]string
Listeners []string
TLSListeners map[string]*TLSListenConfig `yaml:"tls-listeners"`
Logging map[string]string
}
}
// TLSListeners returns a map of tls.Config objects from our config
func (conf *Config) TLSListeners() map[string]*tls.Config {
tlsListeners := make(map[string]*tls.Config)
for s, tlsListenersConf := range conf.Bouncer.TLSListeners {
config, err := tlsListenersConf.Config()
if err != nil {
log.Fatal(err)
}
tlsListeners[s] = config
}
return tlsListeners
}
// LoadConfig returns a Config instance
func LoadConfig(filename string) (config *Config, err error) {
data, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
err = yaml.Unmarshal(data, &config)
if err != nil {
return nil, err
}
if len(config.Bouncer.Listeners) == 0 {
return nil, errors.New("No listeners are defined")
}
return config, nil
}