I am trying to upload a file as an attachment from a client written in Go. I am using http multipart CreateFormFile. When I do this, it sends the data in body to the server which server rejects.
file, err := os.Open(*img.Filepath)
if err != nil {
return err
}
defer file.Close()
body := &bytes.Buffer{}
writer := multipart.NewWriter(body)
part, err := writer.CreateFormFile("asset", filepath.Base(*img.Filepath))
if err != nil {
return err
}
_, err = io.Copy(part, file)
if err != nil {
return err
}
contentType := writer.FormDataContentType()
err = writer.Close()
if err != nil {
return err
}
request, err := http.NewRequest("POST", API_URL, body)
if err != nil {
return err
}
request.Header.Set("Content-Type", contentType)
values := request.URL.Query()
values.Add("filename", util.GetFileNameWithoutExtension(*img.FileName))
request.URL.RawQuery = values.Encode()
client := &http.Client{}
resp, err := client.Do(request)
if err != nil {
return err
} else {
respBody := &bytes.Buffer{}
_, err = respBody.ReadFrom(resp.Body)
if err != nil {
return err
}
resp.Body.Close()
}
When I try the same using curl it works curl -X POST -F "asset=@filepath" "http://localhost/api/v1/xyz?filename=filename"
How can I implement key=@val functionality with Go?