nezhahq-agent/pkg/pty/pty_windows.go
2024-11-23 12:44:47 +08:00

170 lines
3.6 KiB
Go

//go:build windows && !arm64
package pty
import (
"fmt"
"io"
"net/http"
"os"
"os/exec"
"path/filepath"
"regexp"
"runtime"
"strconv"
"github.com/UserExistsError/conpty"
"github.com/artdarek/go-unzip"
"github.com/iamacarpet/go-winpty"
"github.com/shirou/gopsutil/v4/host"
)
var _ IPty = (*winPTY)(nil)
var _ IPty = (*conPty)(nil)
var isWin10 = VersionCheck()
type winPTY struct {
tty *winpty.WinPTY
}
type conPty struct {
tty *conpty.ConPty
}
func VersionCheck() bool {
hi, err := host.Info()
if err != nil {
return false
}
re := regexp.MustCompile(`Build (\d+(\.\d+)?)`)
match := re.FindStringSubmatch(hi.KernelVersion)
if len(match) > 1 {
versionStr := match[1]
version, err := strconv.ParseFloat(versionStr, 64)
if err != nil {
return false
}
return version >= 17763
}
return false
}
func DownloadDependency() error {
if !isWin10 {
executablePath, err := getExecutableFilePath()
if err != nil {
return fmt.Errorf("winpty 获取文件路径失败: %v", err)
}
winptyAgentExe := filepath.Join(executablePath, "winpty-agent.exe")
winptyAgentDll := filepath.Join(executablePath, "winpty.dll")
fe, errFe := os.Stat(winptyAgentExe)
fd, errFd := os.Stat(winptyAgentDll)
if errFe == nil && fe.Size() > 300000 && errFd == nil && fd.Size() > 300000 {
return fmt.Errorf("winpty 文件完整性检查失败")
}
resp, err := http.Get("https://github.com/rprichard/winpty/releases/download/0.4.3/winpty-0.4.3-msvc2015.zip")
if err != nil {
return fmt.Errorf("winpty 下载失败: %v", err)
}
defer resp.Body.Close()
content, err := io.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("winpty 下载失败: %v", err)
}
if err := os.WriteFile("./wintty.zip", content, os.FileMode(0777)); err != nil {
return fmt.Errorf("winpty 写入失败: %v", err)
}
if err := unzip.New("./wintty.zip", "./wintty").Extract(); err != nil {
return fmt.Errorf("winpty 解压失败: %v", err)
}
arch := "x64"
if runtime.GOARCH != "amd64" {
arch = "ia32"
}
os.Rename("./wintty/"+arch+"/bin/winpty-agent.exe", winptyAgentExe)
os.Rename("./wintty/"+arch+"/bin/winpty.dll", winptyAgentDll)
os.RemoveAll("./wintty")
os.RemoveAll("./wintty.zip")
}
return nil
}
func getExecutableFilePath() (string, error) {
ex, err := os.Executable()
if err != nil {
return "", err
}
return filepath.Dir(ex), nil
}
func Start() (IPty, error) {
shellPath, err := exec.LookPath("powershell.exe")
if err != nil || shellPath == "" {
shellPath = "cmd.exe"
}
path, err := getExecutableFilePath()
if err != nil {
return nil, err
}
if !isWin10 {
tty, err := winpty.OpenDefault(path, shellPath)
return &winPTY{tty: tty}, err
}
tty, err := conpty.Start(shellPath, conpty.ConPtyWorkDir(path))
return &conPty{tty: tty}, err
}
func (w *winPTY) Write(p []byte) (n int, err error) {
return w.tty.StdIn.Write(p)
}
func (w *winPTY) Read(p []byte) (n int, err error) {
return w.tty.StdOut.Read(p)
}
func (w *winPTY) Getsize() (uint16, uint16, error) {
return 80, 40, nil
}
func (w *winPTY) Setsize(cols, rows uint32) error {
w.tty.SetSize(cols, rows)
return nil
}
func (w *winPTY) Close() error {
w.tty.Close()
return nil
}
func (c *conPty) Write(p []byte) (n int, err error) {
return c.tty.Write(p)
}
func (c *conPty) Read(p []byte) (n int, err error) {
return c.tty.Read(p)
}
func (c *conPty) Getsize() (uint16, uint16, error) {
return 80, 40, nil
}
func (c *conPty) Setsize(cols, rows uint32) error {
c.tty.Resize(int(cols), int(rows))
return nil
}
func (c *conPty) Close() error {
if err := c.tty.Close(); err != nil {
return err
}
return nil
}