func processHeadersMiddleware() gin.HandlerFunc { return func(c *gin.Context) { optionsHeader := c.Request.Header.Get(CONTEXT_HEADER_OPTIONS) if optionsHeader == "" { optionsHeader = "{}" } var options models.Options options.FromString(optionsHeader) if options.Notify == nil { notify := true options.Notify = ¬ify } if options.Filter == nil { options.Filter = models.JSON{} } if options.Origin == "" { options.Origin = messaging.ORIGIN_API } log.Info("Request options:", optionsHeader) c.Set(CONTEXT_HEADER_OPTIONS, options) c.Next() } }