1 files changed, 47 insertions, 0 deletions
diff --git a/modules/packages/content_store.go b/modules/packages/content_store.go
new file mode 100644
index 0000000000..64c3eedc23
--- /dev/null
+++ b/modules/packages/content_store.go
@@ -0,0 +1,47 @@
+// Copyright 2021 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 packages
+
+import (
+	"io"
+	"path"
+
+	"code.gitea.io/gitea/modules/storage"
+)
+
+// BlobHash256Key is the key to address a blob content
+type BlobHash256Key string
+
+// ContentStore is a wrapper around ObjectStorage
+type ContentStore struct {
+	store storage.ObjectStorage
+}
+
+// NewContentStore creates the default package store
+func NewContentStore() *ContentStore {
+	contentStore := &ContentStore{storage.Packages}
+	return contentStore
+}
+
+// Get gets a package blob
+func (s *ContentStore) Get(key BlobHash256Key) (storage.Object, error) {
+	return s.store.Open(keyToRelativePath(key))
+}
+
+// Save stores a package blob
+func (s *ContentStore) Save(key BlobHash256Key, r io.Reader, size int64) error {
+	_, err := s.store.Save(keyToRelativePath(key), r, size)
+	return err
+}
+
+// Delete deletes a package blob
+func (s *ContentStore) Delete(key BlobHash256Key) error {
+	return s.store.Delete(keyToRelativePath(key))
+}
+
+// keyToRelativePath converts the sha256 key aabb000000... to aa/bb/aabb000000...
+func keyToRelativePath(key BlobHash256Key) string {
+	return path.Join(string(key)[0:2], string(key)[2:4], string(key))
+}