Files
navi/internal/protocols/hysteria2/binary.go
T

143 lines
3.8 KiB
Go

package hysteria2
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"vpnclient/internal/coredl"
)
const githubAPILatest = "https://api.github.com/repos/apernet/hysteria/releases/latest"
// ResolveBinary finds hysteria client binary.
func ResolveBinary(binDir string) (string, error) {
names := candidateNames()
candidates := []string{}
for _, name := range names {
candidates = append(candidates,
filepath.Join(binDir, name),
filepath.Join(binDir, "hysteria2", name),
filepath.Join(binDir, "hysteria", name),
)
}
if exe, err := os.Executable(); err == nil {
dir := filepath.Dir(exe)
for _, name := range names {
candidates = append(candidates, filepath.Join(dir, name), filepath.Join(dir, "bin", name))
}
}
for _, c := range candidates {
if st, err := os.Stat(c); err == nil && !st.IsDir() {
return c, nil
}
}
return "", fmt.Errorf("hysteria2 binary not found in %s; run install-core", binDir)
}
func candidateNames() []string {
switch runtime.GOOS {
case "windows":
return []string{
"hysteria.exe",
"hysteria-windows-amd64.exe",
"hysteria-windows-amd64-avx.exe",
}
case "darwin":
return []string{
"hysteria",
"hysteria-darwin-arm64",
"hysteria-darwin-amd64",
}
default:
return []string{"hysteria", "hysteria-linux-amd64", "hysteria-linux-arm64"}
}
}
// EnsureBinary downloads official Hysteria 2 release if missing.
func EnsureBinary(binDir string) (string, error) {
if path, err := ResolveBinary(binDir); err == nil {
return path, nil
}
if err := os.MkdirAll(binDir, 0o755); err != nil {
return "", err
}
want, err := releaseAssetName()
if err != nil {
return "", err
}
fmt.Fprintf(os.Stderr, "downloading official hysteria2 release (%s)...\n", want)
asset, all, err := findReleaseAsset(want)
if err != nil {
return "", err
}
sum, err := coredl.ResolveSHA(asset, all)
if err != nil {
return "", err
}
destName := "hysteria"
if runtime.GOOS == "windows" {
destName = "hysteria.exe"
}
dest := filepath.Join(binDir, destName)
tmp := filepath.Join(binDir, asset.Name+".download")
if err := coredl.DownloadAndVerify(tmp, asset.BrowserDownloadURL, sum); err != nil {
return "", err
}
_ = os.Remove(dest)
if err := os.Rename(tmp, dest); err != nil {
_ = os.Remove(tmp)
return "", err
}
_ = os.Chmod(dest, 0o755)
if runtime.GOOS == "darwin" {
_ = exec.Command("xattr", "-dr", "com.apple.quarantine", dest).Run()
}
return ResolveBinary(binDir)
}
func releaseAssetName() (string, error) {
switch {
case runtime.GOOS == "windows" && runtime.GOARCH == "amd64":
return "hysteria-windows-amd64.exe", nil
case runtime.GOOS == "windows" && runtime.GOARCH == "arm64":
return "hysteria-windows-arm64.exe", nil
case runtime.GOOS == "linux" && runtime.GOARCH == "amd64":
return "hysteria-linux-amd64", nil
case runtime.GOOS == "darwin" && runtime.GOARCH == "amd64":
return "hysteria-darwin-amd64", nil
case runtime.GOOS == "darwin" && runtime.GOARCH == "arm64":
return "hysteria-darwin-arm64", nil
default:
return "", fmt.Errorf("unsupported platform %s/%s for hysteria2 auto-download", runtime.GOOS, runtime.GOARCH)
}
}
func findReleaseAsset(exactName string) (coredl.ReleaseAsset, []coredl.ReleaseAsset, error) {
_, assets, err := coredl.FetchLatestAssets(githubAPILatest)
if err != nil {
return coredl.ReleaseAsset{}, nil, err
}
var fallback coredl.ReleaseAsset
for _, a := range assets {
if a.Name == exactName {
return a, assets, nil
}
if exactName == "hysteria-windows-amd64.exe" && a.Name == "hysteria-windows-amd64-avx.exe" {
fallback = a
}
}
if fallback.Name != "" {
return fallback, assets, nil
}
for _, a := range assets {
if strings.HasPrefix(a.Name, strings.TrimSuffix(exactName, filepath.Ext(exactName))) {
return a, assets, nil
}
}
return coredl.ReleaseAsset{}, assets, fmt.Errorf("no asset %s in hysteria release", exactName)
}