Show ping results in a modal dialog

.gitignore

@@ -14,6 +14,7 @@ vpn-client.exe
 
 # Dependency directories
 vendor/
+xray/
 
 # Go workspace file
 go.work

cmd/cli/main.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"vpn-client/internal/cli"
+	"vpn-client/internal/config"
+)
+
+func main() {
+	if err := config.Init(); err != nil {
+		fmt.Fprintf(os.Stderr, "config init error: %v\n", err)
+		os.Exit(1)
+	}
+
+	if err := cli.Run(); err != nil {
+		fmt.Fprintf(os.Stderr, "cli error: %v\n", err)
+		os.Exit(1)
+	}
+}

go.mod

@@ -2,10 +2,20 @@ module vpn-client
 
 go 1.21
 
-require github.com/fatih/color v1.16.0
+require (
+	gioui.org v0.7.1
+	github.com/fatih/color v1.16.0
+)
 
 require (
+	gioui.org/cpu v0.0.0-20210817075930-8d6a761490d2 // indirect
+	gioui.org/shader v1.0.8 // indirect
+	github.com/go-text/typesetting v0.1.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	golang.org/x/sys v0.16.0 // indirect
+	golang.org/x/exp v0.0.0-20240707233637-46b078467d37 // indirect
+	golang.org/x/exp/shiny v0.0.0-20240707233637-46b078467d37 // indirect
+	golang.org/x/image v0.18.0 // indirect
+	golang.org/x/sys v0.22.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
 )

go.sum

@@ -1,11 +1,32 @@
+eliasnaur.com/font v0.0.0-20230308162249-dd43949cb42d h1:ARo7NCVvN2NdhLlJE9xAbKweuI9L6UgfTbYb0YwPacY=
+eliasnaur.com/font v0.0.0-20230308162249-dd43949cb42d/go.mod h1:OYVuxibdk9OSLX8vAqydtRPP87PyTFcT9uH3MlEGBQA=
+gioui.org v0.7.1 h1:l7OVj47n1z8acaszQ6Wlu+Rxme+HqF3q8b+Fs68+x3w=
+gioui.org v0.7.1/go.mod h1:5Kw/q7R1BWc5MKStuTNvhCgSrRqbfHc9Dzfjs4IGgZo=
+gioui.org/cpu v0.0.0-20210808092351-bfe733dd3334/go.mod h1:A8M0Cn5o+vY5LTMlnRoK3O5kG+rH0kWfJjeKd9QpBmQ=
+gioui.org/cpu v0.0.0-20210817075930-8d6a761490d2 h1:AGDDxsJE1RpcXTAxPG2B4jrwVUJGFDjINIPi1jtO6pc=
+gioui.org/cpu v0.0.0-20210817075930-8d6a761490d2/go.mod h1:A8M0Cn5o+vY5LTMlnRoK3O5kG+rH0kWfJjeKd9QpBmQ=
+gioui.org/shader v1.0.8 h1:6ks0o/A+b0ne7RzEqRZK5f4Gboz2CfG+mVliciy6+qA=
+gioui.org/shader v1.0.8/go.mod h1:mWdiME581d/kV7/iEhLmUgUK5iZ09XR5XpduXzbePVM=
 github.com/fatih/color v1.16.0 h1:zmkK9Ngbjj+K0yRhTVONQh1p/HknKYSlNT+vZCzyokM=
 github.com/fatih/color v1.16.0/go.mod h1:fL2Sau1YI5c0pdGEVCbKQbLXB6edEj1ZgiY4NijnWvE=
+github.com/go-text/typesetting v0.1.1 h1:bGAesCuo85nXnEN5LmFMVGAGpGkCPtHrZLi//qD7EJo=
+github.com/go-text/typesetting v0.1.1/go.mod h1:d22AnmeKq/on0HNv73UFriMKc4Ez6EqZAofLhAzpSzI=
+github.com/go-text/typesetting-utils v0.0.0-20231211103740-d9332ae51f04 h1:zBx+p/W2aQYtNuyZNcTfinWvXBQwYtDfme051PR/lAY=
+github.com/go-text/typesetting-utils v0.0.0-20231211103740-d9332ae51f04/go.mod h1:DDxDdQEnB70R8owOx3LVpEFvpMK9eeH1o2r0yZhFI9o=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+golang.org/x/exp v0.0.0-20240707233637-46b078467d37 h1:uLDX+AfeFCct3a2C7uIWBKMJIR3CJMhcgfrUAqjRK6w=
+golang.org/x/exp v0.0.0-20240707233637-46b078467d37/go.mod h1:M4RDyNAINzryxdtnbRXRL/OHtkFuWGRjvuhBJpk2IlY=
+golang.org/x/exp/shiny v0.0.0-20240707233637-46b078467d37 h1:SOSg7+sueresE4IbmmGM60GmlIys+zNX63d6/J4CMtU=
+golang.org/x/exp/shiny v0.0.0-20240707233637-46b078467d37/go.mod h1:3F+MieQB7dRYLTmnncoFbb1crS5lfQoTfDgQy6K4N0o=
+golang.org/x/image v0.18.0 h1:jGzIakQa/ZXI1I0Fxvaa9W7yP25TqT6cHIHn+6CqvSQ=
+golang.org/x/image v0.18.0/go.mod h1:4yyo5vMFQjVjUcVk4jEQcU9MGy/rulF5WvUILseCM2E=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
-golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=

internal/gui/advanced.go

@@ -0,0 +1,235 @@
+package gui
+
+import (
+	"fmt"
+	"sort"
+	"strings"
+	"time"
+
+	"gioui.org/layout"
+	"gioui.org/unit"
+	"gioui.org/widget/material"
+	"vpn-client/internal/config"
+	"vpn-client/internal/vless"
+	"vpn-client/internal/wireguard"
+)
+
+func (u *ui) addWireGuardManual() {
+	name := strings.TrimSpace(u.wgNameEditor.Text())
+	configText := strings.TrimSpace(u.wgConfigEditor.Text())
+	if name == "" || configText == "" {
+		u.message = "WireGuard name and config text are required."
+		u.messageColor = dangerColor
+		return
+	}
+	if err := wireguard.AddConfig(name, configText); err != nil {
+		u.message = err.Error()
+		u.messageColor = dangerColor
+		return
+	}
+	u.wgNameEditor.SetText("")
+	u.wgConfigEditor.SetText("")
+	u.message = "WireGuard config added."
+	u.messageColor = successColor
+	u.refresh()
+}
+
+func (u *ui) addWireGuardFromFile() {
+	name := strings.TrimSpace(u.wgFileNameEditor.Text())
+	filePath := strings.TrimSpace(u.wgFilePathEditor.Text())
+	if name == "" || filePath == "" {
+		u.message = "WireGuard name and file path are required."
+		u.messageColor = dangerColor
+		return
+	}
+	if err := wireguard.AddConfigFromFile(name, filePath); err != nil {
+		u.message = err.Error()
+		u.messageColor = dangerColor
+		return
+	}
+	u.wgFileNameEditor.SetText("")
+	u.wgFilePathEditor.SetText("")
+	u.message = "WireGuard config imported from file."
+	u.messageColor = successColor
+	u.refresh()
+}
+
+func (u *ui) deleteWireGuardConfig(name string) {
+	if err := wireguard.DeleteConfig(name); err != nil {
+		u.message = err.Error()
+		u.messageColor = dangerColor
+		return
+	}
+	u.message = "WireGuard config removed."
+	u.messageColor = successColor
+	u.refresh()
+}
+
+func (u *ui) subscriptionConfigs(name string) []config.VLESSConfig {
+	items := make([]config.VLESSConfig, 0)
+	for _, cfg := range u.configs.VLESS {
+		if cfg.Subscription == name {
+			items = append(items, cfg)
+		}
+	}
+	return items
+}
+
+func (u *ui) subscriptionSummary(name string) string {
+	items := u.subscriptionConfigs(name)
+	if len(items) == 0 {
+		return "No imported configs yet."
+	}
+	preview := strings.TrimPrefix(items[0].Name, fmt.Sprintf("[%s] ", name))
+	if len(items) == 1 {
+		return fmt.Sprintf("1 imported config: %s", trimForPreview(preview, 42))
+	}
+	return fmt.Sprintf("%d imported configs. First: %s", len(items), trimForPreview(preview, 36))
+}
+
+func (u *ui) testSubscriptionConfigs(name string) error {
+	items := u.subscriptionConfigs(name)
+	if len(items) == 0 {
+		return fmt.Errorf("no imported configs found for %s", name)
+	}
+
+	type result struct {
+		name string
+		ping float64
+		ok   bool
+	}
+	results := make([]result, 0, len(items))
+	for _, cfg := range items {
+		ok, ping, _ := vless.PingServer(cfg.URL, 3*time.Second)
+		results = append(results, result{
+			name: strings.TrimPrefix(cfg.Name, fmt.Sprintf("[%s] ", name)),
+			ping: ping,
+			ok:   ok,
+		})
+	}
+
+	successful := results[:0]
+	for _, r := range results {
+		if r.ok {
+			successful = append(successful, r)
+		}
+	}
+	if len(successful) == 0 {
+		return fmt.Errorf("all %d configs from %s are unreachable", len(results), name)
+	}
+
+	sort.Slice(successful, func(i, j int) bool { return successful[i].ping < successful[j].ping })
+	best := successful[0]
+	u.message = fmt.Sprintf("%s: %d/%d reachable, best %s at %.0f ms.", name, len(successful), len(results), trimForPreview(best.name, 34), best.ping)
+	u.messageColor = successColor
+	return nil
+}
+
+func (u *ui) layoutWireGuard(gtx layout.Context) layout.Dimensions {
+	return layout.Flex{Axis: layout.Vertical}.Layout(
+		gtx,
+		layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+			return layout.Flex{Spacing: layout.SpaceBetween}.Layout(
+				gtx,
+				layout.Flexed(1, func(gtx layout.Context) layout.Dimensions {
+					return u.card(gtx, panelColor, func(gtx layout.Context) layout.Dimensions {
+						return layout.UniformInset(unit.Dp(18)).Layout(gtx, func(gtx layout.Context) layout.Dimensions {
+							return layout.Flex{Axis: layout.Vertical}.Layout(
+								gtx,
+								layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+									lbl := material.H5(u.theme, "Add manually")
+									lbl.Color = textColor
+									return lbl.Layout(gtx)
+								}),
+								layout.Rigid(spacerH(10)),
+								layout.Rigid(func(gtx layout.Context) layout.Dimensions { return u.layoutEditor(gtx, &u.wgNameEditor, "Config name") }),
+								layout.Rigid(spacerH(10)),
+								layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+									return u.layoutEditor(gtx, &u.wgConfigEditor, "WireGuard config text")
+								}),
+								layout.Rigid(spacerH(12)),
+								layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+									return u.layoutButton(gtx, &u.addWGManualBtn, "Save manual config", accentColor)
+								}),
+							)
+						})
+					})
+				}),
+				layout.Rigid(spacerW(12)),
+				layout.Flexed(1, func(gtx layout.Context) layout.Dimensions {
+					return u.card(gtx, panelColor, func(gtx layout.Context) layout.Dimensions {
+						return layout.UniformInset(unit.Dp(18)).Layout(gtx, func(gtx layout.Context) layout.Dimensions {
+							return layout.Flex{Axis: layout.Vertical}.Layout(
+								gtx,
+								layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+									lbl := material.H5(u.theme, "Import from file")
+									lbl.Color = textColor
+									return lbl.Layout(gtx)
+								}),
+								layout.Rigid(spacerH(10)),
+								layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+									return u.layoutEditor(gtx, &u.wgFileNameEditor, "Config name")
+								}),
+								layout.Rigid(spacerH(10)),
+								layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+									return u.layoutEditor(gtx, &u.wgFilePathEditor, "Path to .conf file")
+								}),
+								layout.Rigid(spacerH(12)),
+								layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+									return u.layoutButton(gtx, &u.addWGFileBtn, "Import file", accentSoftColor)
+								}),
+							)
+						})
+					})
+				}),
+			)
+		}),
+		layout.Rigid(spacerH(16)),
+		layout.Flexed(1, func(gtx layout.Context) layout.Dimensions {
+			return u.card(gtx, panelColor, func(gtx layout.Context) layout.Dimensions {
+				return layout.UniformInset(unit.Dp(18)).Layout(gtx, func(gtx layout.Context) layout.Dimensions {
+					if len(u.configs.WireGuard) == 0 {
+						lbl := material.Body1(u.theme, "No WireGuard configs yet.")
+						lbl.Color = mutedColor
+						return lbl.Layout(gtx)
+					}
+					return u.wgList.Layout(gtx, len(u.configs.WireGuard), func(gtx layout.Context, i int) layout.Dimensions {
+						cfg := u.configs.WireGuard[i]
+						return layout.Inset{Bottom: unit.Dp(12)}.Layout(gtx, func(gtx layout.Context) layout.Dimensions {
+							return u.card(gtx, panelAltColor, func(gtx layout.Context) layout.Dimensions {
+								return layout.UniformInset(unit.Dp(16)).Layout(gtx, func(gtx layout.Context) layout.Dimensions {
+									return layout.Flex{Axis: layout.Vertical}.Layout(
+										gtx,
+										layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+											lbl := material.H6(u.theme, cfg.Name)
+											lbl.Color = textColor
+											return lbl.Layout(gtx)
+										}),
+										layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+											meta := material.Body2(u.theme, trimForPreview(cfg.Config, 110))
+											meta.Color = mutedColor
+											return meta.Layout(gtx)
+										}),
+										layout.Rigid(spacerH(12)),
+										layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+											return layout.Flex{}.Layout(
+												gtx,
+												layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+													return u.layoutButton(gtx, &u.wgConnectBtns[i], "Connect", accentColor)
+												}),
+												layout.Rigid(spacerW(8)),
+												layout.Rigid(func(gtx layout.Context) layout.Dimensions {
+													return u.layoutButton(gtx, &u.wgDeleteBtns[i], "Delete", dangerColor)
+												}),
+											)
+										}),
+									)
+								})
+							})
+						})
+					})
+				})
+			})
+		}),
+	)
+}

internal/vless/vless.go

@@ -11,19 +11,21 @@ import (
 	"runtime"
 	"strconv"
 	"strings"
+	"syscall"
 	"time"
 
 	"vpn-client/internal/config"
 	"vpn-client/internal/logger"
+	"vpn-client/internal/wireguard"
 )
 
 // XrayConfig представляет конфигурацию Xray
 type XrayConfig struct {
-	Log       LogConfig       `json:"log"`
-	Inbounds  []InboundConfig `json:"inbounds"`
+	Log       LogConfig        `json:"log"`
+	Inbounds  []InboundConfig  `json:"inbounds"`
 	Outbounds []OutboundConfig `json:"outbounds"`
-	Stats     interface{}     `json:"stats"`
-	Policy    PolicyConfig    `json:"policy"`
+	Stats     interface{}      `json:"stats"`
+	Policy    PolicyConfig     `json:"policy"`
 }
 
 type LogConfig struct {
@@ -34,11 +36,11 @@ type LogConfig struct {
 }
 
 type InboundConfig struct {
-	Port      int              `json:"port"`
-	Protocol  string           `json:"protocol"`
-	Settings  InboundSettings  `json:"settings"`
-	Sniffing  SniffingConfig   `json:"sniffing"`
-	Tag       string           `json:"tag"`
+	Port     int             `json:"port"`
+	Protocol string          `json:"protocol"`
+	Settings InboundSettings `json:"settings"`
+	Sniffing SniffingConfig  `json:"sniffing"`
+	Tag      string          `json:"tag"`
 }
 
 type InboundSettings struct {
@@ -53,8 +55,8 @@ type SniffingConfig struct {
 }
 
 type OutboundConfig struct {
-	Protocol       string          `json:"protocol"`
-	Tag            string          `json:"tag"`
+	Protocol       string           `json:"protocol"`
+	Tag            string           `json:"tag"`
 	Settings       OutboundSettings `json:"settings"`
 	StreamSettings StreamSettings   `json:"streamSettings"`
 }
@@ -76,13 +78,13 @@ type UserConfig struct {
 }
 
 type StreamSettings struct {
-	Network         string                 `json:"network"`
-	Security        string                 `json:"security,omitempty"`
-	TLSSettings     *TLSSettings           `json:"tlsSettings,omitempty"`
-	RealitySettings *RealitySettings       `json:"realitySettings,omitempty"`
-	WSSettings      *WSSettings            `json:"wsSettings,omitempty"`
-	GRPCSettings    *GRPCSettings          `json:"grpcSettings,omitempty"`
-	HTTPSettings    *HTTPSettings          `json:"httpSettings,omitempty"`
+	Network         string           `json:"network"`
+	Security        string           `json:"security,omitempty"`
+	TLSSettings     *TLSSettings     `json:"tlsSettings,omitempty"`
+	RealitySettings *RealitySettings `json:"realitySettings,omitempty"`
+	WSSettings      *WSSettings      `json:"wsSettings,omitempty"`
+	GRPCSettings    *GRPCSettings    `json:"grpcSettings,omitempty"`
+	HTTPSettings    *HTTPSettings    `json:"httpSettings,omitempty"`
 }
 
 type TLSSettings struct {
@@ -332,6 +334,10 @@ func getParam(params map[string]string, key, defaultValue string) string {
 
 // Connect подключается к VLESS серверу
 func Connect(configName string, logsDir, xrayDir string) error {
+	if err := disconnectExistingConnection(logsDir); err != nil {
+		return err
+	}
+
 	// Загружаем конфигурации
 	configs, err := config.LoadConfigs()
 	if err != nil {
@@ -375,8 +381,8 @@ func Connect(configName string, logsDir, xrayDir string) error {
 	}
 	xrayPath := filepath.Join(xrayDir, xrayExe)
 
-	if _, err := os.Stat(xrayPath); os.IsNotExist(err) {
-		return fmt.Errorf("xray не найден в %s", xrayDir)
+	if xrayPath, err = ensureXrayBinary(xrayDir); err != nil {
+		return err
 	}
 
 	// Создаем лог-файл трафика
@@ -443,6 +449,40 @@ func Connect(configName string, logsDir, xrayDir string) error {
 	return nil
 }
 
+func disconnectExistingConnection(logsDir string) error {
+	state, err := config.LoadState()
+	if err != nil {
+		return fmt.Errorf("ошибка загрузки состояния подключения: %w", err)
+	}
+
+	if state == nil || !state.Connected {
+		return nil
+	}
+
+	switch state.ConfigType {
+	case "wireguard":
+		if state.Interface != "" {
+			if err := wireguard.Disconnect(state.Interface, logsDir); err != nil {
+				return fmt.Errorf("ошибка отключения текущего WireGuard: %w", err)
+			}
+		}
+	case "vless":
+		if state.ProcessPID > 0 {
+			process, err := os.FindProcess(state.ProcessPID)
+			if err == nil {
+				if runtime.GOOS == "windows" {
+					_ = process.Kill()
+				} else {
+					_ = process.Signal(syscall.SIGTERM)
+				}
+				time.Sleep(1 * time.Second)
+			}
+		}
+	}
+
+	return config.SaveState(&config.ConnectionState{})
+}
+
 // PingServer проверяет доступность VLESS сервера
 func PingServer(vlessURL string, timeout time.Duration) (bool, float64, error) {
 	// Парсим URL для получения адреса сервера

internal/vless/xray_bootstrap.go

@@ -0,0 +1,224 @@
+package vless
+
+import (
+	"archive/zip"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"time"
+)
+
+const xrayLatestReleaseAPI = "https://api.github.com/repos/XTLS/Xray-core/releases/latest"
+
+type xrayRelease struct {
+	TagName string             `json:"tag_name"`
+	Assets  []xrayReleaseAsset `json:"assets"`
+}
+
+type xrayReleaseAsset struct {
+	Name               string `json:"name"`
+	BrowserDownloadURL string `json:"browser_download_url"`
+}
+
+func ensureXrayBinary(xrayDir string) (string, error) {
+	exeName := "xray"
+	if runtime.GOOS == "windows" {
+		exeName = "xray.exe"
+	}
+	xrayPath := filepath.Join(xrayDir, exeName)
+
+	if _, err := os.Stat(xrayPath); err == nil {
+		return xrayPath, nil
+	}
+
+	if err := os.MkdirAll(xrayDir, 0755); err != nil {
+		return "", fmt.Errorf("ошибка создания папки xray: %w", err)
+	}
+
+	asset, err := fetchLatestXrayAsset()
+	if err != nil {
+		return "", err
+	}
+
+	archivePath, err := downloadXrayArchive(asset.BrowserDownloadURL, xrayDir, asset.Name)
+	if err != nil {
+		return "", err
+	}
+	defer os.Remove(archivePath)
+
+	if err := unzipXrayArchive(archivePath, xrayDir); err != nil {
+		return "", err
+	}
+
+	if runtime.GOOS != "windows" {
+		_ = os.Chmod(xrayPath, 0755)
+	}
+
+	if _, err := os.Stat(xrayPath); err != nil {
+		return "", fmt.Errorf("xray не найден после распаковки в %s", xrayDir)
+	}
+
+	return xrayPath, nil
+}
+
+func fetchLatestXrayAsset() (*xrayReleaseAsset, error) {
+	client := &http.Client{Timeout: 45 * time.Second}
+	req, err := http.NewRequest(http.MethodGet, xrayLatestReleaseAPI, nil)
+	if err != nil {
+		return nil, fmt.Errorf("ошибка подготовки запроса релиза Xray: %w", err)
+	}
+	req.Header.Set("User-Agent", "go-vpn-client")
+	req.Header.Set("Accept", "application/vnd.github+json")
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("ошибка получения релиза Xray: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(io.LimitReader(resp.Body, 1024))
+		return nil, fmt.Errorf("ошибка API Xray: %d %s", resp.StatusCode, strings.TrimSpace(string(body)))
+	}
+
+	var release xrayRelease
+	if err := json.NewDecoder(resp.Body).Decode(&release); err != nil {
+		return nil, fmt.Errorf("ошибка разбора релиза Xray: %w", err)
+	}
+
+	for _, asset := range release.Assets {
+		if matchesXrayAsset(asset.Name) {
+			return &asset, nil
+		}
+	}
+
+	return nil, fmt.Errorf("не найден подходящий архив Xray для %s/%s в релизе %s", runtime.GOOS, runtime.GOARCH, release.TagName)
+}
+
+func matchesXrayAsset(name string) bool {
+	lower := strings.ToLower(name)
+	if !strings.HasSuffix(lower, ".zip") || strings.Contains(lower, ".dgst") {
+		return false
+	}
+
+	osToken := map[string]string{
+		"windows": "windows",
+		"linux":   "linux",
+		"darwin":  "macos",
+	}[runtime.GOOS]
+	if osToken == "" || !strings.Contains(lower, osToken) {
+		return false
+	}
+
+	archTokens := map[string][]string{
+		"amd64": {"64", "amd64", "x64"},
+		"386":   {"32", "386", "x86"},
+		"arm64": {"arm64", "aarch64"},
+		"arm":   {"arm32", "armv7", "arm"},
+	}[runtime.GOARCH]
+
+	if len(archTokens) == 0 {
+		return false
+	}
+	for _, token := range archTokens {
+		if strings.Contains(lower, token) {
+			return true
+		}
+	}
+	return false
+}
+
+func downloadXrayArchive(downloadURL, xrayDir, name string) (string, error) {
+	client := &http.Client{Timeout: 2 * time.Minute}
+	req, err := http.NewRequest(http.MethodGet, downloadURL, nil)
+	if err != nil {
+		return "", fmt.Errorf("ошибка подготовки загрузки Xray: %w", err)
+	}
+	req.Header.Set("User-Agent", "go-vpn-client")
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", fmt.Errorf("ошибка загрузки Xray: %w", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return "", fmt.Errorf("ошибка загрузки Xray: HTTP %d", resp.StatusCode)
+	}
+
+	archivePath := filepath.Join(xrayDir, name)
+	file, err := os.Create(archivePath)
+	if err != nil {
+		return "", fmt.Errorf("ошибка создания архива Xray: %w", err)
+	}
+	defer file.Close()
+
+	if _, err := io.Copy(file, resp.Body); err != nil {
+		return "", fmt.Errorf("ошибка сохранения архива Xray: %w", err)
+	}
+
+	return archivePath, nil
+}
+
+func unzipXrayArchive(archivePath, targetDir string) error {
+	reader, err := zip.OpenReader(archivePath)
+	if err != nil {
+		return fmt.Errorf("ошибка открытия архива Xray: %w", err)
+	}
+	defer reader.Close()
+
+	for _, file := range reader.File {
+		if err := extractZipEntry(file, targetDir); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func extractZipEntry(file *zip.File, targetDir string) error {
+	cleanName := filepath.Clean(file.Name)
+	targetPath := filepath.Join(targetDir, cleanName)
+	absTargetDir, err := filepath.Abs(targetDir)
+	if err != nil {
+		return fmt.Errorf("ошибка определения папки Xray: %w", err)
+	}
+	absTargetPath, err := filepath.Abs(targetPath)
+	if err != nil {
+		return fmt.Errorf("ошибка определения пути Xray: %w", err)
+	}
+	if !strings.HasPrefix(absTargetPath, absTargetDir) {
+		return fmt.Errorf("небезопасный путь в архиве Xray: %s", file.Name)
+	}
+
+	if file.FileInfo().IsDir() {
+		return os.MkdirAll(absTargetPath, 0755)
+	}
+
+	if err := os.MkdirAll(filepath.Dir(absTargetPath), 0755); err != nil {
+		return fmt.Errorf("ошибка создания папки Xray: %w", err)
+	}
+
+	in, err := file.Open()
+	if err != nil {
+		return fmt.Errorf("ошибка чтения файла из архива Xray: %w", err)
+	}
+	defer in.Close()
+
+	out, err := os.OpenFile(absTargetPath, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, file.Mode())
+	if err != nil {
+		return fmt.Errorf("ошибка создания файла Xray: %w", err)
+	}
+	defer out.Close()
+
+	if _, err := io.Copy(out, in); err != nil {
+		return fmt.Errorf("ошибка распаковки Xray: %w", err)
+	}
+
+	return nil
+}

main.go

@@ -1,23 +1,32 @@
 package main
 
 import (
-	"fmt"
+	"log"
 	"os"
 
-	"vpn-client/internal/cli"
+	"gioui.org/app"
 	"vpn-client/internal/config"
+	"vpn-client/internal/gui"
 )
 
 func main() {
-	// Инициализация конфигурации
-	if err := config.Init(); err != nil {
-		fmt.Fprintf(os.Stderr, "Ошибка инициализации: %v\n", err)
-		os.Exit(1)
-	}
+	go func() {
+		if err := config.Init(); err != nil {
+			log.Printf("config init failed: %v", err)
+			os.Exit(1)
+		}
 
-	// Запуск CLI
-	if err := cli.Run(); err != nil {
-		fmt.Fprintf(os.Stderr, "Ошибка: %v\n", err)
-		os.Exit(1)
-	}
+		window := new(app.Window)
+		window.Option(
+			app.Title("Go VPN Client"),
+		)
+
+		if err := gui.Run(window); err != nil {
+			log.Printf("gui failed: %v", err)
+		}
+
+		os.Exit(0)
+	}()
+
+	app.Main()
 }