Feat: disable overwrite for non-updating put request, only works under local,slave,OneDrive,OSS policy. (#764)

service/explorer/file.go

@@ -78,6 +78,7 @@ func (service *SingleFileService) Create(c *gin.Context) serializer.Response {
 	// 上下文
 	ctx, cancel := context.WithCancel(context.Background())
 	defer cancel()
+	ctx = context.WithValue(ctx, fsctx.DisableOverwrite, true)
 
 	// 给文件系统分配钩子
 	fs.Use("BeforeUpload", filesystem.HookValidateFile)