Serving data from reader

  1. func main() {
  2.     router := gin.Default()
  3.     router.GET("/someDataFromReader", func(c *gin.Context) {
  4.         response, err := http.Get("https://raw.githubusercontent.com/gin-gonic/logo/master/color.png")
  5.         if err != nil || response.StatusCode != http.StatusOK {
  6.             c.Status(http.StatusServiceUnavailable)
  7.             return
  8.         }
  10.         reader := response.Body
  11.         contentLength := response.ContentLength
  12.         contentType := response.Header.Get("Content-Type")
  14.         extraHeaders := map[string]string{
  15.             "Content-Disposition": `attachment; filename="gopher.png"`,
  16.         }
  18.         c.DataFromReader(http.StatusOK, contentLength, contentType, reader, extraHeaders)
  19.     })
  20.     router.Run(":8080")
  21. }