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update.go
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update.go
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package main
import (
"archive/tar"
"archive/zip"
"compress/gzip"
"encoding/json"
"errors"
"fmt"
cp "github.com/otiai10/copy"
"io"
"math/rand"
"net/http"
"os"
"os/exec"
"path/filepath"
"runtime"
"sealdice-core/dice"
"strconv"
"strings"
"syscall"
"time"
)
var binPrefix = "https://sealdice.coding.net/p/sealdice/d/sealdice-binaries/git/raw/master"
func downloadUpdate(dm *dice.DiceManager) error {
if dm.AppVersionOnline != nil {
ver := dm.AppVersionOnline
if ver.VersionLatestCode != dm.AppVersionCode {
platform := runtime.GOOS
arch := runtime.GOARCH
version := ver.VersionLatest
var ext string
// 如果线上版本小于当前版本,那么拒绝更新
if ver.VersionLatestCode < dm.AppVersionCode {
return errors.New("获取到的线上版本旧于当前版本,停止更新")
}
switch platform {
case "windows":
ext = "zip"
default:
// 其他各种平台似乎都是 .tar.gz
ext = "tar.gz"
}
if arch == "386" {
arch = "i386"
}
fn := fmt.Sprintf("sealdice-core_%s_%s_%s.%s", version, platform, arch, ext)
fileUrl := binPrefix + "/" + fn
if ver.NewVersionUrlPrefix != "" {
fileUrl = ver.NewVersionUrlPrefix + "/" + fn
}
logger.Infof("准备下载更新: %s", fn)
err := os.RemoveAll("./update")
if err != nil {
return errors.New("更新: 删除缓存目录(update)失败")
}
_ = os.MkdirAll("./update", 0755)
_ = os.MkdirAll("./update/new", 0755)
fn2 := "./update/update." + ext
err = DownloadFile(fn2, fileUrl)
if err != nil {
fmt.Println("!!!", err)
return errors.New("更新: 下载更新文件失败")
}
logger.Infof("更新下载完成,保存于: %s", fn2)
if ext == "zip" {
err = unzipSource(fn2, "./update/new")
if err != nil {
return errors.New("更新: 更新文件解压失败")
}
} else {
err = ExtractTarGz(fn2, "./update/new")
if err != nil {
return errors.New("更新: 更新文件解压失败")
}
}
}
}
return nil
}
func RebootRequestListen(dm *dice.DiceManager) {
<-dm.RebootRequestChan
doReboot(dm)
}
func UpdateCheckRequestListen(dm *dice.DiceManager) {
for {
<-dm.UpdateCheckRequestChan
CheckVersion(dm)
}
}
func UpdateRequestListen(dm *dice.DiceManager) {
<-dm.UpdateRequestChan
err := downloadUpdate(dm)
if err == nil {
dm.UpdateDownloadedChan <- ""
time.Sleep(2 * time.Second)
logger.Info("进行升级准备工作")
doUpdate(dm)
logger.Info("开始自重启,重启后将拉起升级程序auto_update.exe")
doReboot(dm)
} else {
dm.UpdateDownloadedChan <- err.Error()
}
}
func doReboot(dm *dice.DiceManager) {
executablePath, err := filepath.Abs(os.Args[0])
if err != nil {
return
}
binary, err := exec.LookPath(executablePath)
if err != nil {
logger.Errorf("Restart Error: %s", err)
return
}
platform := runtime.GOOS
if platform == "windows" {
cleanUpCreate(dm)()
name, _ := filepath.Abs(binary)
err = exec.Command(`cmd`, `/C`, "start", name, "--delay=15").Start()
//err = exec.Command(binary, "--delay=25").Start()
if err != nil {
logger.Errorf("Restart error: %s %v", binary, err)
}
} else {
// 手动cleanup
cleanUpCreate(dm)()
// os.Args[1:]...
execErr := syscall.Exec(binary, []string{os.Args[0], "--delay=25"}, os.Environ())
if execErr != nil {
logger.Errorf("Restart error: %s %v", binary, execErr)
}
}
os.Exit(0)
}
func doUpdate(dm *dice.DiceManager) {
platform := runtime.GOOS
if platform == "windows" {
//exe, err := filepath.Abs(os.Args[0])
//if err == nil {
//cp.Copy("./update/new/sealdice-core.exe", "./sealdice-core.exe") // 仅作为标记
_ = cp.Copy("./update/new/sealdice-core.exe", "./auto_update.exe")
//_ = cp.Copy("./update/new/sealdice-core.exe", "./auto_updat3.exe")
//}
} else {
// Linux / Mac
exe, err := filepath.Abs(os.Args[0])
if err == nil {
// 如果已经有一个auto_update
if _, err := os.Stat("./auto_update"); err == nil {
tmpName := "/tmp/auto_update_old_" + dice.RandStringBytesMaskImprSrcSB(16)
_ = os.Rename("./auto_update", tmpName)
}
tmpName := "/tmp/auto_update_" + dice.RandStringBytesMaskImprSrcSB(16)
_ = os.Rename(exe, tmpName)
_ = cp.Copy("./update/new/sealdice-core", "./auto_update") // 仅作为标记
_ = cp.Copy("./update/new/sealdice-core", exe)
_ = os.Chmod(exe, 0755)
}
//err := cp.Copy("./update/new", "./")
//if err != nil {
// logger.Errorf("更新: 复制文件失败: %s", err.Error())
//}
//_ = os.Chmod("./sealdice-core", 0755)
//_ = os.Chmod("./go-cqhttp/go-cqhttp", 0755)
}
}
func checkVersionBase(backendUrl string, dm *dice.DiceManager) *dice.VersionInfo {
resp, err := http.Get(backendUrl + "/dice/api/version?versionCode=" + strconv.FormatInt(dm.AppVersionCode, 10) + "&v=" + strconv.FormatInt(rand.Int63(), 10))
if err != nil {
//logger.Errorf("获取新版本失败: %s", err.Error())
return nil
}
defer func(Body io.ReadCloser) {
_ = Body.Close()
}(resp.Body)
var ver dice.VersionInfo
err = json.NewDecoder(resp.Body).Decode(&ver)
if err != nil {
return nil
}
dm.AppVersionOnline = &ver
//downloadUpdate(dm)
return &ver
}
func CheckVersion(dm *dice.DiceManager) *dice.VersionInfo {
if runtime.GOOS == "android" {
return nil
}
// 逐个尝试所有后端地址
for _, i := range dice.BackendUrls {
ret := checkVersionBase(i, dm)
if ret != nil {
return ret
}
}
return nil
}
func DownloadFile(filepath string, url string) error {
// Get the data
resp, err := http.Get(url)
if err != nil {
return err
}
defer func(Body io.ReadCloser) {
_ = Body.Close()
}(resp.Body)
// Create the file
out, err := os.Create(filepath)
if err != nil {
return err
}
defer func(out *os.File) {
_ = out.Close()
}(out)
// Write the body to file
_, err = io.Copy(out, resp.Body)
return err
}
func unzipSource(source, destination string) error {
// 1. Open the zip file
reader, err := zip.OpenReader(source)
if err != nil {
return err
}
defer func(reader *zip.ReadCloser) {
_ = reader.Close()
}(reader)
// 2. Get the absolute destination path
destination, err = filepath.Abs(destination)
if err != nil {
return err
}
// 3. Iterate over zip files inside the archive and unzip each of them
for _, f := range reader.File {
err := unzipFile(f, destination)
if err != nil {
return err
}
}
return nil
}
func unzipFile(f *zip.File, destination string) error {
// 注: 用这个zip包的原因是解压utf-8不乱码
// 4. Check if file paths are not vulnerable to Zip Slip
filePath := filepath.Join(destination, f.Name)
if !strings.HasPrefix(filePath, filepath.Clean(destination)+string(os.PathSeparator)) {
return fmt.Errorf("invalid file path: %s", filePath)
}
// 5. Create directory tree
if f.FileInfo().IsDir() {
if err := os.MkdirAll(filePath, os.ModePerm); err != nil {
return err
}
return nil
}
if err := os.MkdirAll(filepath.Dir(filePath), os.ModePerm); err != nil {
return err
}
// 6. Create a destination file for unzipped content
destinationFile, err := os.OpenFile(filePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
return err
}
defer func(destinationFile *os.File) {
_ = destinationFile.Close()
}(destinationFile)
// 7. Unzip the content of a file and copy it to the destination file
zippedFile, err := f.Open()
if err != nil {
return err
}
defer func(zippedFile io.ReadCloser) {
_ = zippedFile.Close()
}(zippedFile)
if _, err := io.Copy(destinationFile, zippedFile); err != nil {
return err
}
return nil
}
func ExtractTarGz(fn, dest string) error {
gzipStream, err := os.Open(fn)
if err != nil {
fmt.Println("error", err.Error())
return err
}
defer func(gzipStream *os.File) {
_ = gzipStream.Close()
}(gzipStream)
log := logger
uncompressedStream, err := gzip.NewReader(gzipStream)
if err != nil {
log.Error("ExtractTarGz: NewReader failed")
return err
}
defer func(uncompressedStream *gzip.Reader) {
_ = uncompressedStream.Close()
}(uncompressedStream)
tarReader := tar.NewReader(uncompressedStream)
for {
header, err := tarReader.Next()
if err == io.EOF {
break
}
if err != nil {
log.Errorf("ExtractTarGz: Next() failed: %s", err.Error())
return err
}
switch header.Typeflag {
case tar.TypeDir:
if err := os.Mkdir(filepath.Join(dest, header.Name), 0755); err != nil {
log.Errorf("ExtractTarGz: Mkdir() failed: %s", err.Error())
}
case tar.TypeReg:
_ = os.MkdirAll(filepath.Dir(filepath.Join(dest, header.Name)), 0755) // 进行一个目录的创
outFile, err := os.Create(filepath.Join(dest, header.Name))
if err != nil {
log.Errorf("ExtractTarGz: Create() failed: %s", err.Error())
return err
}
if _, err := io.Copy(outFile, tarReader); err != nil {
log.Errorf("ExtractTarGz: Copy() failed: %s", err.Error())
return err
}
_ = outFile.Close()
default:
log.Error(
"ExtractTarGz: uknown type: %s in %s",
header.Typeflag,
header.Name)
return err
}
}
return nil
}