use delete manifest to handle immutable and signature

1, Use signature manager to get signature
2, Check the immutable and signature status when deleting.
3, Remove the immutable middleware for delelte manifest

Signed-off-by: wang yan <wangyan@vmware.com>

src/server/middleware/contenttrust/contenttrust.go

@@ -1,11 +1,8 @@
 package contenttrust
 
 import (
-	"github.com/goharbor/harbor/src/common/utils/log"
-	"github.com/goharbor/harbor/src/core/config"
-	"github.com/goharbor/harbor/src/core/middlewares/util"
 	internal_errors "github.com/goharbor/harbor/src/internal/error"
-	"github.com/goharbor/harbor/src/pkg/signature/notary"
+	"github.com/goharbor/harbor/src/pkg/signature"
 	serror "github.com/goharbor/harbor/src/server/error"
 	"github.com/goharbor/harbor/src/server/middleware"
 	"net/http"
@@ -27,7 +24,7 @@ func Middleware() func(http.Handler) http.Handler {
 			rec := httptest.NewRecorder()
 			next.ServeHTTP(rec, req)
 			if rec.Result().StatusCode == http.StatusOK {
-				match, err := matchNotaryDigest(mf)
+				match, err := isArtifactSigned(req, mf)
 				if err != nil {
 					serror.SendError(rw, err)
 					return
@@ -61,36 +58,12 @@ func validate(req *http.Request) (bool, middleware.ArtifactInfo) {
 	return true, af
 }
 
-func matchNotaryDigest(af middleware.ArtifactInfo) (bool, error) {
-	if NotaryEndpoint == "" {
-		NotaryEndpoint = config.InternalNotaryEndpoint()
-	}
-	targets, err := notary.GetInternalTargets(NotaryEndpoint, util.TokenUsername, af.Repository)
+// isArtifactSigned use the sign manager to check the signature, it could handle pull by tag or digtest
+// if pull by digest, any tag of the artifact is signed, will return true.
+func isArtifactSigned(req *http.Request, art middleware.ArtifactInfo) (bool, error) {
+	checker, err := signature.GetManager().GetCheckerByRepo(req.Context(), art.Repository)
 	if err != nil {
 		return false, err
 	}
-	for _, t := range targets {
-		if af.Digest != "" {
-			d, err := notary.DigestFromTarget(t)
-			if err != nil {
-				return false, err
-			}
-			if af.Digest == d {
-				return true, nil
-			}
-		} else {
-			if t.Tag == af.Tag {
-				log.Debugf("found reference: %s in notary, try to match digest.", af.Tag)
-				d, err := notary.DigestFromTarget(t)
-				if err != nil {
-					return false, err
-				}
-				if af.Digest == d {
-					return true, nil
-				}
-			}
-		}
-	}
-	log.Debugf("image: %#v, not found in notary", af)
-	return false, nil
+	return checker.IsArtifactSigned(art.Digest), nil
 }

src/server/middleware/immutable/deletemf.go

@@ -1,61 +0,0 @@
-package immutable
-
-import (
-	"errors"
-	"fmt"
-	"github.com/goharbor/harbor/src/api/artifact"
-	"github.com/goharbor/harbor/src/api/tag"
-	common_util "github.com/goharbor/harbor/src/common/utils"
-	internal_errors "github.com/goharbor/harbor/src/internal/error"
-	serror "github.com/goharbor/harbor/src/server/error"
-	"github.com/goharbor/harbor/src/server/middleware"
-	"net/http"
-)
-
-// MiddlewareDelete ...
-func MiddlewareDelete() func(http.Handler) http.Handler {
-	return func(next http.Handler) http.Handler {
-		return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
-			if err := handleDelete(req); err != nil {
-				var e *ErrImmutable
-				if errors.As(err, &e) {
-					pkgE := internal_errors.New(e).WithCode(internal_errors.PreconditionCode)
-					serror.SendError(rw, pkgE)
-					return
-				}
-				pkgE := internal_errors.New(fmt.Errorf("error occurred when to handle request in immutable handler: %v", err)).WithCode(internal_errors.GeneralCode)
-				serror.SendError(rw, pkgE)
-				return
-			}
-			next.ServeHTTP(rw, req)
-		})
-	}
-}
-
-// handleDelete ...
-func handleDelete(req *http.Request) error {
-	art, ok := middleware.ArtifactInfoFromContext(req.Context())
-	if !ok {
-		return errors.New("cannot get the manifest information from request context")
-	}
-
-	af, err := artifact.Ctl.GetByReference(req.Context(), art.Repository, art.Digest, &artifact.Option{
-		WithTag:   true,
-		TagOption: &tag.Option{WithImmutableStatus: true},
-	})
-	if err != nil {
-		if internal_errors.IsErr(err, internal_errors.NotFoundCode) {
-			return nil
-		}
-		return err
-	}
-
-	_, repoName := common_util.ParseRepository(art.Repository)
-	for _, tag := range af.Tags {
-		if tag.Immutable {
-			return NewErrImmutable(repoName, tag.Name)
-		}
-	}
-
-	return nil
-}

src/server/middleware/immutable/deletemf_test.go

@@ -1,3 +0,0 @@
-package immutable
-
-// Tests are in the push_mf_test

src/server/middleware/immutable/pushmf.go

@@ -12,8 +12,8 @@ import (
 	"net/http"
 )
 
-// MiddlewarePush ...
-func MiddlewarePush() func(http.Handler) http.Handler {
+// Middleware ...
+func Middleware() func(http.Handler) http.Handler {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
 			if err := handlePush(req); err != nil {

src/server/middleware/immutable/pushmf_test.go

@@ -54,37 +54,7 @@ func doPutManifestRequest(projectID int64, projectName, name, tag, dgt string, n
 	}
 	*req = *(req.WithContext(internal_orm.NewContext(context.TODO(), dao.GetOrmer())))
 	*req = *(req.WithContext(context.WithValue(req.Context(), middleware.ArtifactInfoKey, afInfo)))
-	h := MiddlewarePush()(n)
-	h.ServeHTTP(util.NewCustomResponseWriter(rr), req)
-
-	return rr.Code
-}
-
-func doDeleteManifestRequest(projectID int64, projectName, name, tag, dgt string, next ...http.HandlerFunc) int {
-	repository := fmt.Sprintf("%s/%s", projectName, name)
-
-	url := fmt.Sprintf("/v2/%s/manifests/%s", repository, tag)
-	req, _ := http.NewRequest("DELETE", url, nil)
-
-	afInfo := &middleware.ArtifactInfo{
-		ProjectName: projectName,
-		Repository:  repository,
-		Tag:         tag,
-		Digest:      dgt,
-	}
-	rr := httptest.NewRecorder()
-
-	var n http.HandlerFunc
-	if len(next) > 0 {
-		n = next[0]
-	} else {
-		n = func(w http.ResponseWriter, req *http.Request) {
-			w.WriteHeader(http.StatusCreated)
-		}
-	}
-	*req = *(req.WithContext(internal_orm.NewContext(context.TODO(), dao.GetOrmer())))
-	*req = *(req.WithContext(context.WithValue(req.Context(), middleware.ArtifactInfoKey, afInfo)))
-	h := MiddlewareDelete()(n)
+	h := Middleware()(n)
 	h.ServeHTTP(util.NewCustomResponseWriter(rr), req)
 
 	return rr.Code
@@ -203,12 +173,6 @@ func (suite *HandlerSuite) TestPutDeleteManifestCreated() {
 	code2 := doPutManifestRequest(projectID, projectName, "photon", "latest", dgt)
 	suite.Equal(http.StatusCreated, code2)
 
-	code3 := doDeleteManifestRequest(projectID, projectName, "photon", "release-1.10", dgt)
-	suite.Equal(http.StatusPreconditionFailed, code3)
-
-	code4 := doDeleteManifestRequest(projectID, projectName, "photon", "latest", dgt)
-	suite.Equal(http.StatusPreconditionFailed, code4)
-
 }
 
 func TestMain(m *testing.M) {

src/server/registry/route.go

@@ -58,12 +58,11 @@ func RegisterRoutes() {
 	root.NewRoute().
 		Method(http.MethodDelete).
 		Path("/*/manifests/:reference").
-		Middleware(immutable.MiddlewareDelete()).
 		HandlerFunc(deleteManifest)
 	root.NewRoute().
 		Method(http.MethodPut).
 		Path("/*/manifests/:reference").
-		Middleware(immutable.MiddlewarePush()).
+		Middleware(immutable.Middleware()).
 		Middleware(blob.PutManifestMiddleware()).
 		HandlerFunc(putManifest)
 	// initiate blob upload