1 files changed, 6 insertions, 18 deletions
diff --git a/routers/api/packages/container/manifest.go b/routers/api/packages/container/manifest.go
index a640bcda25..b69b7af3f7 100644
--- a/routers/api/packages/container/manifest.go
+++ b/routers/api/packages/container/manifest.go
@@ -29,18 +29,6 @@ import (
 	oci "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
-func isMediaTypeValid(mt string) bool {
-	return strings.HasPrefix(mt, "application/vnd.docker.") || strings.HasPrefix(mt, "application/vnd.oci.")
-}
-
-func isMediaTypeImageManifest(mt string) bool {
-	return strings.EqualFold(mt, oci.MediaTypeImageManifest) || strings.EqualFold(mt, "application/vnd.docker.distribution.manifest.v2+json")
-}
-
-func isMediaTypeImageIndex(mt string) bool {
-	return strings.EqualFold(mt, oci.MediaTypeImageIndex) || strings.EqualFold(mt, "application/vnd.docker.distribution.manifest.list.v2+json")
-}
-
 // manifestCreationInfo describes a manifest to create
 type manifestCreationInfo struct {
 	MediaType  string
@@ -66,16 +54,16 @@ func processManifest(ctx context.Context, mci *manifestCreationInfo, buf *packag
 		return "", err
 	}
 
-	if !isMediaTypeValid(mci.MediaType) {
+	if !container_module.IsMediaTypeValid(mci.MediaType) {
 		mci.MediaType = index.MediaType
-		if !isMediaTypeValid(mci.MediaType) {
+		if !container_module.IsMediaTypeValid(mci.MediaType) {
 			return "", errManifestInvalid.WithMessage("MediaType not recognized")
 		}
 	}
 
-	if isMediaTypeImageManifest(mci.MediaType) {
+	if container_module.IsMediaTypeImageManifest(mci.MediaType) {
 		return processOciImageManifest(ctx, mci, buf)
-	} else if isMediaTypeImageIndex(mci.MediaType) {
+	} else if container_module.IsMediaTypeImageIndex(mci.MediaType) {
 		return processOciImageIndex(ctx, mci, buf)
 	}
 	return "", errManifestInvalid
@@ -201,7 +189,7 @@ func processOciImageIndex(ctx context.Context, mci *manifestCreationInfo, buf *p
 		}
 
 		for _, manifest := range index.Manifests {
-			if !isMediaTypeImageManifest(manifest.MediaType) {
+			if !container_module.IsMediaTypeImageManifest(manifest.MediaType) {
 				return errManifestInvalid
 			}
 
@@ -336,7 +324,7 @@ func createPackageAndVersion(ctx context.Context, mci *manifestCreationInfo, met
 			return nil, err
 		}
 
-		if isMediaTypeImageIndex(mci.MediaType) {
+		if container_module.IsMediaTypeImageIndex(mci.MediaType) {
 			if pv.CreatedUnix.AsTime().Before(time.Now().Add(-24 * time.Hour)) {
 				if err = packages_service.DeletePackageVersionAndReferences(ctx, pv); err != nil {
 					return nil, err