feat: bind schema verification to release manifest

cmd/orbit-admin/main.go

@@ -6,8 +6,10 @@ import (
 	"errors"
 	"flag"
 	"fmt"
+	"io"
 	"os"
 	"path/filepath"
+	"reflect"
 	"time"
 
 	"git.yuntuo.hk/k2safe/orbit/internal/buildinfo"
@@ -69,9 +71,17 @@ func runRelease(args []string) error {
 	if len(args) != 1 || args[0] != "manifest" {
 		return errors.New("usage: orbit-admin release manifest")
 	}
+	manifest, err := currentReleaseManifest()
+	if err != nil {
+		return err
+	}
+	return json.NewEncoder(os.Stdout).Encode(manifest)
+}
+
+func currentReleaseManifest() (releaseManifest, error) {
 	migrations, err := mysql.Migrations()
 	if err != nil || len(migrations) == 0 {
-		return errors.New("release migration manifest unavailable")
+		return releaseManifest{}, errors.New("release migration manifest unavailable")
 	}
 	items := make([]releaseMigrationManifest, 0, len(migrations))
 	for _, migration := range migrations {
@@ -81,7 +91,7 @@ func runRelease(args []string) error {
 			Checksum: migration.Checksum,
 		})
 	}
-	manifest := releaseManifest{
+	return releaseManifest{
 		ManifestVersion: 1,
 		Build:           buildinfo.Current(),
 		Schema: releaseSchemaManifest{
@@ -89,18 +99,52 @@ func runRelease(args []string) error {
 			MigrationCount: len(items),
 			Migrations:     items,
 		},
+	}, nil
+}
+
+// validateReleaseManifest 确认外部保存的发布清单与当前管理二进制完全一致。
+// 它只比较静态身份，不连接数据库，也不改变任何状态。
+func validateReleaseManifest(path string) error {
+	file, err := os.Open(path)
+	if err != nil {
+		return errors.New("release manifest could not be opened")
 	}
-	return json.NewEncoder(os.Stdout).Encode(manifest)
+	defer file.Close()
+	decoder := json.NewDecoder(file)
+	decoder.DisallowUnknownFields()
+	var got releaseManifest
+	if err := decoder.Decode(&got); err != nil {
+		return errors.New("release manifest is invalid")
+	}
+	var trailing any
+	if err := decoder.Decode(&trailing); err != io.EOF {
+		return errors.New("release manifest contains trailing data")
+	}
+	want, err := currentReleaseManifest()
+	if err != nil {
+		return err
+	}
+	if !reflect.DeepEqual(got, want) {
+		return errors.New("release manifest does not match this binary")
+	}
+	return nil
 }
 
 func runVerify(args []string) error {
 	flags := flag.NewFlagSet("verify", flag.ContinueOnError)
+	var manifestPath string
+	flags.StringVar(&manifestPath, "manifest", "", "saved release manifest to compare with this binary")
 	if err := flags.Parse(args); err != nil {
 		return err
 	}
 	if flags.NArg() != 0 {
 		return errors.New("verify does not accept positional arguments")
 	}
+	if manifestPath != "" {
+		if err := validateReleaseManifest(manifestPath); err != nil {
+			return err
+		}
+	}
 	cfg, err := config.Load()
 	if err != nil {
 		return err