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// Copyright (C) 2018 LEAP
//
// 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 3 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/>.
package main
import (
"flag"
"fmt"
"io"
"log"
"os"
"path"
"runtime"
"0xacab.org/leap/bitmask-systray/bitmask"
"github.com/jmshal/go-locale"
"golang.org/x/text/message"
)
const (
provider = "riseup.net"
applicationName = "RiseupVPN"
)
var version string
var printer *message.Printer
func main() {
// on OSX sometimes the systray doesn't work (bitmask-systray#52)
// locking the main thread into an OS thread fixes the problem
runtime.LockOSThread()
logger, err := configureLogger()
if err != nil {
log.Println("Can't configure logger: %v", err)
} else {
defer logger.Close()
}
conf := parseConfig()
initPrinter()
flag.BoolVar(&conf.SelectGateway, "select-gateway", false, "Enable gateway selection")
versionFlag := flag.Bool("version", false, "Version of the bitmask-systray")
flag.Parse()
if *versionFlag {
fmt.Println(version)
os.Exit(0)
}
if _, err := os.Stat(bitmask.ConfigPath); os.IsNotExist(err) {
os.MkdirAll(bitmask.ConfigPath, os.ModePerm)
}
err = acquirePID()
if err != nil {
log.Fatal(err)
}
defer releasePID()
notify := newNotificator(conf)
b, err := initBitmask()
if err != nil {
log.Print(err)
notify.bitmaskNotRunning()
return
}
defer b.Close()
go checkAndStartBitmask(b, notify, conf)
as := newAutostart(applicationName, getIconPath())
err = as.Enable()
if err != nil {
log.Printf("Error enabling autostart: %v", err)
}
run(b, conf, notify, as)
}
func checkAndStartBitmask(b bitmask.Bitmask, notify *notificator, conf *systrayConfig) {
err := checkAndInstallHelpers(b, notify)
if err != nil {
log.Printf("Is bitmask running? %v", err)
os.Exit(1)
}
err = maybeStartVPN(b, conf)
if err != nil {
log.Println("Error starting VPN: ", err)
notify.errorStartingVPN(err)
}
}
func checkAndInstallHelpers(b bitmask.Bitmask, notify *notificator) error {
helpers, priviledge, err := b.VPNCheck()
if (err != nil && err.Error() == "nopolkit") || (err == nil && !priviledge) {
log.Printf("No polkit found")
notify.authAgent()
} else if err != nil {
notify.bitmaskNotRunning()
return err
}
if !helpers {
err = b.InstallHelpers()
if err != nil {
log.Println("Error installing helpers: ", err)
}
}
return nil
}
func maybeStartVPN(b bitmask.Bitmask, conf *systrayConfig) error {
if conf.UserStoppedVPN {
return nil
}
err := b.StartVPN(provider)
conf.setUserStoppedVPN(false)
return err
}
func configureLogger() (io.Closer, error) {
logFile, err := os.OpenFile(path.Join(bitmask.ConfigPath, "systray.log"), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err == nil {
log.SetOutput(io.MultiWriter(logFile, os.Stderr))
}
return logFile, err
}
func initPrinter() {
locale, err := go_locale.DetectLocale()
if err != nil {
log.Println("Error detecting the system locale: ", err)
}
printer = message.NewPrinter(message.MatchLanguage(locale, "en"))
}
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