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/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
*/
package ui
import (
"encoding/base64"
"fmt"
"github.com/lxn/walk"
"github.com/lxn/win"
"golang.org/x/crypto/curve25519"
"golang.zx2c4.com/wireguard/windows/conf"
"golang.zx2c4.com/wireguard/windows/service"
"golang.zx2c4.com/wireguard/windows/ui/syntax"
"os"
)
const demoConfig = `[Interface]
PrivateKey = 6KpcbNFK4tKBciKBT2Rj6Z/sHBqxdV+p+nuNA5AlWGI=
Address = 192.168.4.84/24
DNS = 8.8.8.8, 8.8.4.4, 1.1.1.1, 1.0.0.1
[Peer]
PublicKey = JRI8Xc0zKP9kXk8qP84NdUQA04h6DLfFbwJn4g+/PFs=
Endpoint = demo.wireguard.com:12912
AllowedIPs = 0.0.0.0/0
`
func RunUI() {
icon, _ := walk.NewIconFromResourceId(8)
mw, _ := walk.NewMainWindowWithName("WireGuard")
tray, _ := walk.NewNotifyIcon(mw)
defer tray.Dispose()
tray.SetIcon(icon)
tray.SetToolTip("WireGuard: Deactivated")
tray.SetVisible(true)
mw.SetSize(walk.Size{900, 800})
mw.SetLayout(walk.NewVBoxLayout())
mw.SetIcon(icon)
mw.Closing().Attach(func(canceled *bool, reason walk.CloseReason) {
*canceled = true
mw.Hide()
})
tl, _ := walk.NewTextLabel(mw)
tl.SetText("Public key: (unknown)")
se, _ := syntax.NewSyntaxEdit(mw)
lastPrivate := ""
se.PrivateKeyChanged().Attach(func(privateKey string) {
if privateKey == lastPrivate {
return
}
lastPrivate = privateKey
key := func() string {
if privateKey == "" {
return ""
}
decoded, err := base64.StdEncoding.DecodeString(privateKey)
if err != nil {
return ""
}
if len(decoded) != 32 {
return ""
}
var p [32]byte
var s [32]byte
copy(s[:], decoded[:32])
curve25519.ScalarBaseMult(&p, &s)
return base64.StdEncoding.EncodeToString(p[:])
}()
if key != "" {
tl.SetText("Public key: " + key)
} else {
tl.SetText("Public key: (unknown)")
}
})
se.SetText(demoConfig)
pb, _ := walk.NewPushButton(mw)
pb.SetText("Start")
var runningTunnel *service.Tunnel
pb.Clicked().Attach(func() {
restoreState := true
pbE := pb.Enabled()
seE := se.Enabled()
pbT := pb.Text()
defer func() {
if restoreState {
pb.SetEnabled(pbE)
se.SetEnabled(seE)
pb.SetText(pbT)
}
}()
pb.SetEnabled(false)
se.SetEnabled(false)
pb.SetText("Requesting..")
if runningTunnel != nil {
err := runningTunnel.Stop()
if err != nil {
walk.MsgBox(mw, "Unable to stop tunnel", err.Error(), walk.MsgBoxIconError)
return
}
restoreState = false
runningTunnel = nil
return
}
c, err := conf.FromWgQuick(se.Text(), "test")
if err != nil {
walk.MsgBox(mw, "Invalid configuration", err.Error(), walk.MsgBoxIconError)
return
}
tunnel, err := service.IPCClientNewTunnel(c)
if err != nil {
walk.MsgBox(mw, "Unable to create tunnel", err.Error(), walk.MsgBoxIconError)
return
}
err = tunnel.Start()
if err != nil {
walk.MsgBox(mw, "Unable to start tunnel", err.Error(), walk.MsgBoxIconError)
return
}
restoreState = false
runningTunnel = &tunnel
})
quitAction := walk.NewAction()
quitAction.SetText("Exit")
quitAction.Triggered().Attach(func() {
tray.Dispose()
_, err := service.IPCClientQuit(true)
if err != nil {
walk.MsgBox(nil, "Error Exiting WireGuard", fmt.Sprintf("Unable to exit service due to: %s. You may want to stop WireGuard from the service manager.", err), walk.MsgBoxIconError)
os.Exit(1)
}
})
tray.ContextMenu().Actions().Add(quitAction)
tray.MouseDown().Attach(func(x, y int, button walk.MouseButton) {
if button == walk.LeftButton {
mw.Show()
win.SetForegroundWindow(mw.Handle())
}
})
setServiceState := func(tunnel *service.Tunnel, state service.TunnelState, showNotifications bool) {
if tunnel.Name != "test" {
return
}
//TODO: also set tray icon to reflect state
switch state {
case service.TunnelStarting:
se.SetEnabled(false)
pb.SetText("Starting...")
pb.SetEnabled(false)
tray.SetToolTip("WireGuard: Activating...")
case service.TunnelStarted:
se.SetEnabled(false)
pb.SetText("Stop")
pb.SetEnabled(true)
tray.SetToolTip("WireGuard: Activated")
if showNotifications {
//TODO: ShowCustom with right icon
tray.ShowInfo("WireGuard Activated", fmt.Sprintf("The %s tunnel has been activated.", tunnel.Name))
}
case service.TunnelStopping:
se.SetEnabled(false)
pb.SetText("Stopping...")
pb.SetEnabled(false)
tray.SetToolTip("WireGuard: Deactivating...")
case service.TunnelStopped, service.TunnelDeleting:
if runningTunnel != nil {
runningTunnel.Delete()
runningTunnel = nil
}
se.SetEnabled(true)
pb.SetText("Start")
pb.SetEnabled(true)
tray.SetToolTip("WireGuard: Deactivated")
if showNotifications {
//TODO: ShowCustom with right icon
tray.ShowInfo("WireGuard Deactivated", fmt.Sprintf("The %s tunnel has been deactivated.", tunnel.Name))
}
}
}
service.IPCClientRegisterTunnelChange(func(tunnel *service.Tunnel, state service.TunnelState) {
setServiceState(tunnel, state, true)
})
go func() {
tunnels, err := service.IPCClientTunnels()
if err != nil {
return
}
for _, tunnel := range tunnels {
state, err := tunnel.State()
if err != nil {
continue
}
runningTunnel = &tunnel
setServiceState(&tunnel, state, false)
}
}()
mw.Run()
}
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