Hola, for S3, one can have custom HTTP headers on a PUT request but

s3: no way of adding custom headers when doing a object GET about goamz HOT 1 OPEN

mitchellh commented on September 18, 2024

s3: no way of adding custom headers when doing a object GET

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richardbowden commented on September 18, 2024

I am interested in this feature, i need to change the content type and content encoding. I have been playing with GetResponseHeader from the original goaws/goaws lib, porting this function to this lib...

got this so far:

s3.go

func (b *Bucket) GetResponseWithHeaders(path string, headers map[string][]string) (data []byte, err error) {
    req := &request{
        bucket:  b.Name,
        path:    path,
        headers: headers,
    }
    fmt.Printf("**** initial headers: %v\n\n\n", req)
    err = b.S3.prepare(req)
    fmt.Printf("**** headers after prep: %v\n\n\n\n", req)
    if err != nil {
        return nil, err
    }
    for attempt := b.S3.AttemptStrategy.Start(); attempt.Next(); {
        resp, err := b.S3.run(req, nil)
        if shouldRetry(err) && attempt.HasNext() {
            continue
        }
        if err != nil {
            return nil, err
        }

        fmt.Printf("**** headers after get: %v\n\n\n", resp.Header)
        data, err = ioutil.ReadAll(resp.Body)
        resp.Body.Close()
        return data, nil
    }
    panic("unreachable")
}

also added to S3 struct

aws.AttemptStrategy

this works, pulls back the data, how ever the headers do not seem to be sticking, on printing the headers, the last one shows the content type of the actual file being downloaded, not the one set...

still working on this.

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