S3 MultipartUpload pass contentType to meta

weed/s3api/filer_multipart.go

@@ -38,6 +38,9 @@ func (s3a *S3ApiServer) createMultipartUpload(input *s3.CreateMultipartUploadInp
 		for k, v := range input.Metadata {
 			entry.Extended[k] = []byte(*v)
 		}
+		if input.ContentType != nil {
+			entry.Attributes.Mime = *input.ContentType
+		}
 	}); err != nil {
 		glog.Errorf("NewMultipartUpload error: %v", err)
 		return nil, s3err.ErrInternalError
@@ -121,6 +124,9 @@ func (s3a *S3ApiServer) completeMultipartUpload(input *s3.CompleteMultipartUploa
 				entry.Extended[k] = v
 			}
 		}
+		if pentry.Attributes.Mime != "" {
+			entry.Attributes.Mime = pentry.Attributes.Mime
+		}
 	})
 
 	if err != nil {

weed/s3api/s3api_object_multipart_handlers.go

@@ -36,6 +36,10 @@ func (s3a *S3ApiServer) NewMultipartUploadHandler(w http.ResponseWriter, r *http
 		createMultipartUploadInput.Metadata[k] = aws.String(string(v))
 	}
 
+	contentType := r.Header.Get("Content-Type")
+	if contentType != "" {
+		createMultipartUploadInput.ContentType = &contentType
+	}
 	response, errCode := s3a.createMultipartUpload(createMultipartUploadInput)
 
 	glog.V(2).Info("NewMultipartUploadHandler", string(s3err.EncodeXMLResponse(response)), errCode)