summaryrefslogtreecommitdiff
path: root/main.go
blob: 6222cde1de4c7910092eff264f801ea743778721 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
// 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: ", 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 {
		notify.initFailure(err)
		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 {
		log.Printf("Error checking vpn: %v", err)
		notify.errorStartingVPN(err)
		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"))
}