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Rewriting Response Headers

API Description

You can rewrite some HTTP/HTTPS response headers when downloading an object. The following table lists rewritable response headers.

Parameter

Description

GetObjectInput.ResponseContentType

Rewrites Content-Type in HTTP/HTTPS responses.

GetObjectInput.ResponseContentLanguage

Rewrites Content-Language in HTTP/HTTPS responses.

GetObjectInput.ResponseExpires

Rewrites Expires in HTTP/HTTPS responses.

GetObjectInput.ResponseCacheControl

Rewrites Cache-Control in HTTP/HTTPS responses.

GetObjectInput.ResponseContentDisposition

Rewrites Content-Disposition in HTTP/HTTPS responses.

GetObjectInput.ResponseContentEncoding

Rewrites Content-Encoding in HTTP/HTTPS responses.

Method Definition

func (obsClient ObsClient) GetObject(input *GetObjectInput) (output *GetObjectOutput, err error)

Method Definition If a Signed URL Is Used

func (obsClient ObsClient) GetObjectWithSignedUrl(signedUrl string, actualSignedRequestHeaders http.Header) (output *GetObjectOutput, err error)

Request Parameters

Field

Type

Optional or Mandatory

input

*GetObjectInput

Mandatory

Returned Results

Field

Type

output

*GetObjectOutput

err

error

Sample Code

func main() {
       input := &obs.GetObjectInput{}
       input.Bucket = "bucketname"
       input.Key = "objectname"

       input.ResponseContentType = "image/jpeg"
       output, err := obsClient.GetObject(input)
       if err == nil {
              defer output.Body.Close()
              // Obtain the rewritten response headers.
              fmt.Printf("ContentType:%s\n", output.ContentType)
       } else if obsError, ok := err.(obs.ObsError); ok {
              fmt.Printf("Code:%s\n", obsError.Code)
              fmt.Printf("Message:%s\n", obsError.Message)
       }
}
Parent topic: Objects-Related APIs