Fix GUI instance counts and launcher tmp paths

2026-06-25 02:36:55 +09:00
parent 23d5fcfcda
commit 75f2d8b9c2
24 changed files with 2479 additions and 20 deletions
--- a/internal/update/release.go
+++ b/internal/update/release.go
@@ -0,0 +1,125 @@
+package update
+
+import (
+	"archive/zip"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+type ReleaseInfo struct {
+	TagName string `json:"tag_name"`
+	Assets  []struct {
+		Name string `json:"name"`
+		URL  string `json:"browser_download_url"`
+	} `json:"assets"`
+}
+
+type Client struct {
+	BaseURL string
+	HTTP    *http.Client
+}
+
+func (c *Client) LatestRelease(ownerRepo string) (*ReleaseInfo, error) {
+	req, err := http.NewRequest(http.MethodGet, c.apiURL(ownerRepo, "/releases/latest"), nil)
+	if err != nil {
+		return nil, err
+	}
+	var info ReleaseInfo
+	if err := c.doJSON(req, &info); err != nil {
+		return nil, err
+	}
+	return &info, nil
+}
+
+func (c *Client) DownloadAsset(url, dst string) error {
+	req, err := http.NewRequest(http.MethodGet, url, nil)
+	if err != nil {
+		return err
+	}
+	resp, err := c.httpClient().Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("download failed: %s", resp.Status)
+	}
+	f, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+	_, err = io.Copy(f, resp.Body)
+	return err
+}
+
+func ExtractZip(zipPath, dstDir string) error {
+	zr, err := zip.OpenReader(zipPath)
+	if err != nil {
+		return err
+	}
+	defer zr.Close()
+	root := filepath.Clean(dstDir) + string(os.PathSeparator)
+	for _, f := range zr.File {
+		target := filepath.Clean(filepath.Join(dstDir, f.Name))
+		if target != filepath.Clean(dstDir) && !strings.HasPrefix(target, root) {
+			return fmt.Errorf("zip path escapes destination: %s", f.Name)
+		}
+		if f.FileInfo().IsDir() {
+			if err := os.MkdirAll(target, 0o755); err != nil {
+				return err
+			}
+			continue
+		}
+		if err := os.MkdirAll(filepath.Dir(target), 0o755); err != nil {
+			return err
+		}
+		rc, err := f.Open()
+		if err != nil {
+			return err
+		}
+		out, err := os.Create(target)
+		if err != nil {
+			rc.Close()
+			return err
+		}
+		_, copyErr := io.Copy(out, rc)
+		out.Close()
+		rc.Close()
+		if copyErr != nil {
+			return copyErr
+		}
+	}
+	return nil
+}
+
+func (c *Client) apiURL(ownerRepo, suffix string) string {
+	base := strings.TrimRight(c.BaseURL, "/")
+	return base + "/api/v1/repos/" + strings.Trim(ownerRepo, "/") + suffix
+}
+
+func (c *Client) doJSON(req *http.Request, out any) error {
+	resp, err := c.httpClient().Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != http.StatusOK {
+		body, _ := io.ReadAll(io.LimitReader(resp.Body, 2048))
+		return fmt.Errorf("request failed: %s: %s", resp.Status, strings.TrimSpace(string(body)))
+	}
+	return json.NewDecoder(resp.Body).Decode(out)
+}
+
+func (c *Client) httpClient() *http.Client {
+	if c.HTTP != nil {
+		return c.HTTP
+	}
+	return &http.Client{Timeout: 30 * time.Second}
+}