ui: add initial sample UI for testing

1 files changed, 140 insertions, 0 deletions

diff --git a/ui/ui.go b/ui/ui.go
new file mode 100644
index 00000000..f1c5f7c6
--- /dev/null
+++ b/ui/ui.go
@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
+ */
+
+package ui
+
+import (
+	"encoding/base64"
+	"fmt"
+	"golang.org/x/crypto/curve25519"
+	"golang.zx2c4.com/wireguard/windows/conf"
+	"golang.zx2c4.com/wireguard/windows/service"
+	"golang.zx2c4.com/wireguard/windows/ui/internal/walk"
+	"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: Disconnected")
+	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, _ := 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() {
+		if runningTunnel != nil {
+			_, err := runningTunnel.Stop()
+			if err != nil {
+				walk.MsgBox(mw, "Unable to stop tunnel", err.Error(), walk.MsgBoxIconError)
+				return
+			}
+			runningTunnel = nil
+			pb.SetText("Start")
+			tray.SetToolTip("WireGuard: Disconnected")
+			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
+		}
+		runningTunnel = &tunnel
+		pb.SetText("Stop")
+		tray.SetToolTip("WireGuard: Connected")
+	})
+
+	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()
+		}
+	})
+
+	err := service.IPCClientRegisterAsNotificationThread()
+	if err != nil {
+		walk.MsgBox(mw, "Unable to register for notifications", err.Error(), walk.MsgBoxIconError)
+		os.Exit(1)
+	}
+	mw.Run()
+}