feat: adding embedded db-studio

Signed-off-by: allanice001 <allanice001@gmail.com>
2026-02-13 04:40:05 +01:00 · 2025-11-11 03:19:09 +00:00
parent 9108ee8f8f
commit 3a1ce33bca
20 changed files with 580 additions and 52 deletions
--- a/tools/pgweb_fetch.go
+++ b/tools/pgweb_fetch.go
@@ -0,0 +1,171 @@
+//go:build ignore
+// +build ignore
+
+package main
+
+import (
+	"archive/zip"
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+type Target struct {
+	Name   string
+	URL    string
+	SHA256 string
+}
+
+const version = "0.16.2"
+
+func main() {
+	targets := []Target{
+		{
+			Name:   "pgweb-linux-amd64",
+			URL:    fmt.Sprintf("https://github.com/sosedoff/pgweb/releases/download/v%s/pgweb_linux_amd64.zip", version),
+			SHA256: "",
+		},
+		{
+			Name:   "pgweb-linux-arm64",
+			URL:    fmt.Sprintf("https://github.com/sosedoff/pgweb/releases/download/v%s/pgweb_linux_arm64.zip", version),
+			SHA256: "",
+		},
+		{
+			Name:   "pgweb-darwin-amd64",
+			URL:    fmt.Sprintf("https://github.com/sosedoff/pgweb/releases/download/v%s/pgweb_darwin_amd64.zip", version),
+			SHA256: "",
+		},
+		{
+			Name:   "pgweb-darwin-arm64",
+			URL:    fmt.Sprintf("https://github.com/sosedoff/pgweb/releases/download/v%s/pgweb_darwin_arm64.zip", version),
+			SHA256: "",
+		},
+	}
+
+	outDir := filepath.Join("internal", "web", "pgwebbin")
+	_ = os.MkdirAll(outDir, 0o755)
+
+	for _, t := range targets {
+		destZip := filepath.Join(outDir, t.Name+".zip")
+		fmt.Printf("Downloading %s...\n", t.URL)
+		if err := downloadFile(destZip, t.URL); err != nil {
+			panic(err)
+		}
+		binPath := filepath.Join(outDir, t.Name)
+		if err := unzipSingle(destZip, binPath); err != nil {
+			panic(err)
+		}
+		_ = os.Remove(destZip)
+
+		// Make executable
+		if err := os.Chmod(binPath, 0o755); err != nil {
+			panic(err)
+		}
+		fmt.Printf("Saved %s\n", binPath)
+
+		// Compute checksum
+		sum, _ := fileSHA256(binPath)
+		fmt.Printf("  SHA256: %s\n", sum)
+	}
+}
+
+func downloadFile(dest, url string) error {
+	resp, err := http.Get(url)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		return fmt.Errorf("bad status: %s", resp.Status)
+	}
+	out, err := os.Create(dest)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+	_, err = io.Copy(out, resp.Body)
+	return err
+}
+
+func fileSHA256(path string) (string, error) {
+	f, err := os.Open(path)
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+	h := sha256.New()
+	if _, err := io.Copy(h, f); err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(h.Sum(nil)), nil
+}
+
+func unzipSingle(zipPath, outPath string) error {
+	// minimal unzip: because pgweb zip has only one binary
+	r, err := os.Open(zipPath)
+	if err != nil {
+		return err
+	}
+	defer r.Close()
+
+	// use archive/zip
+	stat, err := os.Stat(zipPath)
+	if err != nil {
+		return err
+	}
+	return unzipFile(zipPath, outPath, stat.Size())
+}
+
+func unzipFile(zipFile, outFile string, _ int64) error {
+	r, err := os.Open(zipFile)
+	if err != nil {
+		return err
+	}
+	defer r.Close()
+	fi, _ := r.Stat()
+
+	// rely on standard zip reader
+	data, err := io.ReadAll(r)
+	if err != nil {
+		return err
+	}
+	tmpZip := filepath.Join(os.TempDir(), fi.Name())
+	if err := os.WriteFile(tmpZip, data, 0o644); err != nil {
+		return err
+	}
+	defer os.Remove(tmpZip)
+
+	zr, err := os.Open(tmpZip)
+	if err != nil {
+		return err
+	}
+	defer zr.Close()
+	// extract using standard lib
+	zr2, err := zip.OpenReader(tmpZip)
+	if err != nil {
+		return err
+	}
+	defer zr2.Close()
+	for _, f := range zr2.File {
+		rc, err := f.Open()
+		if err != nil {
+			return err
+		}
+		defer rc.Close()
+		out, err := os.Create(outFile)
+		if err != nil {
+			return err
+		}
+		if _, err := io.Copy(out, rc); err != nil {
+			out.Close()
+			return err
+		}
+		out.Close()
+		break
+	}
+	return nil
+}