s3 minio, cos, oss support

pkg/common/db/s3/cont/id.go

@@ -0,0 +1,35 @@
+package cont
+
+import (
+	"encoding/base64"
+	"encoding/json"
+	"fmt"
+)
+
+type multipartUploadID struct {
+	Type int    `json:"a,omitempty"`
+	ID   string `json:"b,omitempty"`
+	Key  string `json:"c,omitempty"`
+	Size int64  `json:"d,omitempty"`
+	Hash string `json:"e,omitempty"`
+}
+
+func newMultipartUploadID(id multipartUploadID) string {
+	data, err := json.Marshal(id)
+	if err != nil {
+		panic(err)
+	}
+	return base64.StdEncoding.EncodeToString(data)
+}
+
+func parseMultipartUploadID(id string) (*multipartUploadID, error) {
+	data, err := base64.StdEncoding.DecodeString(id)
+	if err != nil {
+		return nil, fmt.Errorf("invalid multipart upload id: %w", err)
+	}
+	var upload multipartUploadID
+	if err := json.Unmarshal(data, &upload); err != nil {
+		return nil, fmt.Errorf("invalid multipart upload id: %w", err)
+	}
+	return &upload, nil
+}