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config.go
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config.go
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
)
const (
// Default app icon in the notification
DefaultNotificationIcon = "mail-unread"
// Default sound
DefaultNotificationSound = "message-new-email"
// File prefix for specifying files in the config
FilePrefix = "file://"
)
type ClientConfig struct {
// How often to query the POP3 server
CheckFrequency int
// The path to the notification icon. Will be set to the default if nothing is specified
NotificationIcon string
// The path to the notification sound. Default will be used if nothing is set
NotificationSound string
Proxys []Proxy
Accounts []Account
}
type Proxy struct {
Name string
Address string
User string
Password string
}
type Account struct {
// Connection Info
Address string
User string
Password string
Proxy string
}
func GenerateConfig() ([]byte, error) {
cfg := &ClientConfig{
CheckFrequency: 20,
NotificationIcon: DefaultNotificationIcon,
NotificationSound: DefaultNotificationSound,
Proxys: []Proxy{
{
Name: "tor",
Address: "127.0.0.1:9050",
User: "",
Password: "",
},
},
Accounts: []Account{
{
Address: "pop.riseup.net:995",
User: "example",
Password: "password",
Proxy: "",
},
},
}
return json.MarshalIndent(cfg, "", " ")
}
func (cfg *ClientConfig) GetProxyInfo(n string) (Proxy, error) {
for _, v := range cfg.Proxys {
if v.Name != n {
continue
}
return v, nil
}
return Proxy{}, fmt.Errorf("No proxy found by that name for %s", n)
}
func (cfg *ClientConfig) Validate() (err error) {
// Set to default if icon not specified
if len(cfg.NotificationIcon) == 0 {
cfg.NotificationIcon = DefaultNotificationIcon
}
if strings.HasPrefix(cfg.NotificationIcon, FilePrefix) {
trimmed := strings.TrimPrefix(cfg.NotificationIcon, FilePrefix)
cleaned := filepath.Clean(trimmed)
cfg.NotificationIcon = os.ExpandEnv(cleaned)
}
// Set to default if sound not specified
if len(cfg.NotificationSound) == 0 {
cfg.NotificationSound = DefaultNotificationSound
}
if strings.HasPrefix(cfg.NotificationSound, FilePrefix) {
trimmed := strings.TrimPrefix(cfg.NotificationSound, FilePrefix)
cleaned := filepath.Clean(trimmed)
cfg.NotificationSound = os.ExpandEnv(cleaned)
}
return
}
func GetCFG() (cfg *ClientConfig, err error) {
b, err := ioutil.ReadFile(ConfigFile)
if err != nil {
return
}
err = json.Unmarshal(b, &cfg)
if err != nil {
return
}
if err = cfg.Validate(); err != nil {
return
}
return
}