1 files changed, 136 insertions, 0 deletions
diff --git a/routers/api/packages/container/blob.go b/routers/api/packages/container/blob.go
new file mode 100644
index 0000000000..8f6254f583
--- /dev/null
+++ b/routers/api/packages/container/blob.go
@@ -0,0 +1,136 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package container
+
+import (
+	"context"
+	"encoding/hex"
+	"fmt"
+	"strings"
+
+	"code.gitea.io/gitea/models/db"
+	packages_model "code.gitea.io/gitea/models/packages"
+	container_model "code.gitea.io/gitea/models/packages/container"
+	"code.gitea.io/gitea/modules/log"
+	packages_module "code.gitea.io/gitea/modules/packages"
+	container_module "code.gitea.io/gitea/modules/packages/container"
+	packages_service "code.gitea.io/gitea/services/packages"
+)
+
+// saveAsPackageBlob creates a package blob from an upload
+// The uploaded blob gets stored in a special upload version to link them to the package/image
+func saveAsPackageBlob(hsr packages_module.HashedSizeReader, pi *packages_service.PackageInfo) (*packages_model.PackageBlob, error) {
+	pb := packages_service.NewPackageBlob(hsr)
+
+	exists := false
+
+	contentStore := packages_module.NewContentStore()
+
+	err := db.WithTx(func(ctx context.Context) error {
+		p := &packages_model.Package{
+			OwnerID:   pi.Owner.ID,
+			Type:      packages_model.TypeContainer,
+			Name:      strings.ToLower(pi.Name),
+			LowerName: strings.ToLower(pi.Name),
+		}
+		var err error
+		if p, err = packages_model.TryInsertPackage(ctx, p); err != nil {
+			if err != packages_model.ErrDuplicatePackage {
+				log.Error("Error inserting package: %v", err)
+				return err
+			}
+		}
+
+		pv := &packages_model.PackageVersion{
+			PackageID:    p.ID,
+			CreatorID:    pi.Owner.ID,
+			Version:      container_model.UploadVersion,
+			LowerVersion: container_model.UploadVersion,
+			IsInternal:   true,
+			MetadataJSON: "null",
+		}
+		if pv, err = packages_model.GetOrInsertVersion(ctx, pv); err != nil {
+			if err != packages_model.ErrDuplicatePackageVersion {
+				log.Error("Error inserting package: %v", err)
+				return err
+			}
+		}
+
+		pb, exists, err = packages_model.GetOrInsertBlob(ctx, pb)
+		if err != nil {
+			log.Error("Error inserting package blob: %v", err)
+			return err
+		}
+		if !exists {
+			if err := contentStore.Save(packages_module.BlobHash256Key(pb.HashSHA256), hsr, hsr.Size()); err != nil {
+				log.Error("Error saving package blob in content store: %v", err)
+				return err
+			}
+		}
+
+		filename := strings.ToLower(fmt.Sprintf("sha256_%s", pb.HashSHA256))
+
+		pf := &packages_model.PackageFile{
+			VersionID:    pv.ID,
+			BlobID:       pb.ID,
+			Name:         filename,
+			LowerName:    filename,
+			CompositeKey: packages_model.EmptyFileKey,
+		}
+		if pf, err = packages_model.TryInsertFile(ctx, pf); err != nil {
+			if err == packages_model.ErrDuplicatePackageFile {
+				return nil
+			}
+			log.Error("Error inserting package file: %v", err)
+			return err
+		}
+
+		if _, err := packages_model.InsertProperty(ctx, packages_model.PropertyTypeFile, pf.ID, container_module.PropertyDigest, digestFromPackageBlob(pb)); err != nil {
+			log.Error("Error setting package file property: %v", err)
+			return err
+		}
+
+		return nil
+	})
+	if err != nil {
+		if !exists {
+			if err := contentStore.Delete(packages_module.BlobHash256Key(pb.HashSHA256)); err != nil {
+				log.Error("Error deleting package blob from content store: %v", err)
+			}
+		}
+		return nil, err
+	}
+
+	return pb, nil
+}
+
+func deleteBlob(ownerID int64, image, digest string) error {
+	return db.WithTx(func(ctx context.Context) error {
+		pfds, err := container_model.GetContainerBlobs(ctx, &container_model.BlobSearchOptions{
+			OwnerID: ownerID,
+			Image:   image,
+			Digest:  digest,
+		})
+		if err != nil {
+			return err
+		}
+
+		for _, file := range pfds {
+			if err := packages_service.DeletePackageFile(ctx, file.File); err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+}
+
+func digestFromHashSummer(h packages_module.HashSummer) string {
+	_, _, hashSHA256, _ := h.Sums()
+	return "sha256:" + hex.EncodeToString(hashSHA256)
+}
+
+func digestFromPackageBlob(pb *packages_model.PackageBlob) string {
+	return "sha256:" + pb.HashSHA256
+}