storage: Add SSE part in formatFileObject (#17)

* add SSE part in formatFileObject

* refactor

* fix NPE and do not check ""

* add ServerEncrypted

* fix

Author: xxchan

generated.go

@@ -48,4 +48,7 @@ type = "string"
 type = "string"
 
 [infos.object.meta.encryption-scope]
-type = "string"
+type = "string"
+
+[infos.object.meta.server-encrypted]
+type = "bool"

service.toml

@@ -5,6 +5,7 @@ import (
 	"encoding/base64"
 	"fmt"
 	"io"
+	"strconv"
 
 	"github.com/Azure/azure-storage-blob-go/azblob"
 
@@ -209,6 +210,9 @@ func (s *Storage) stat(ctx context.Context, path string, opt pairStorageStat) (o
 	if v := output.EncryptionScope(); v != "" {
 		sm.EncryptionScope = v
 	}
+	if v, err := strconv.ParseBool(output.IsServerEncrypted()); err == nil {
+		sm.ServerEncrypted = v
+	}
 	o.SetServiceMetadata(sm)
 
 	return o, nil

storage.go

@@ -283,7 +283,7 @@ func (s *Storage) formatFileObject(v azblob.BlobItemInternal) (o *typ.Object, er
 	if v.Properties.ContentLength != nil {
 		o.SetContentLength(*v.Properties.ContentLength)
 	}
-	if v.Properties.ContentType != nil && *v.Properties.ContentType != "" {
+	if v.Properties.ContentType != nil {
 		o.SetContentType(*v.Properties.ContentType)
 	}
 	if len(v.Properties.ContentMD5) > 0 {
@@ -294,6 +294,15 @@ func (s *Storage) formatFileObject(v azblob.BlobItemInternal) (o *typ.Object, er
 	if value := v.Properties.AccessTier; value != "" {
 		sm.AccessTier = string(value)
 	}
+	if v.Properties.CustomerProvidedKeySha256 != nil {
+		sm.EncryptionKeySha256 = *v.Properties.CustomerProvidedKeySha256
+	}
+	if v.Properties.EncryptionScope != nil {
+		sm.EncryptionScope = *v.Properties.EncryptionScope
+	}
+	if v.Properties.ServerEncrypted != nil {
+		sm.ServerEncrypted = *v.Properties.ServerEncrypted
+	}
 	o.SetServiceMetadata(sm)
 
 	return o, nil