func (s *sampleService) streamVoiceSample(request *restful.Request, response *restful.Response) {
sessionId, _ := strconv.Atoi(request.PathParameter("session-id"))
sampleId, _ := strconv.Atoi(request.PathParameter("sample-index"))
sample, _ := s.repository.Get(sessionId, sampleId)
if sample.Id == 0 {
response.WriteError(http.StatusNotFound, nil)
return
}
ak, sk := os.Getenv("S3_ACCESS_KEY"), os.Getenv("S3_SECRET_KEY")
if ak == "" || sk == "" {
response.WriteError(http.StatusInternalServerError, fmt.Errorf("Missing S3_ACCESS_KEY and/or S3_SECRET_KEY"))
return
}
s3util.DefaultConfig.AccessKey = ak
s3util.DefaultConfig.SecretKey = sk
audio, err := s3util.Open(sample.AudioURL, nil)
if err != nil {
response.WriteError(http.StatusInternalServerError, err)
return
}
defer audio.Close()
response.AddHeader("Content-Type", sample.MimeType)
io.Copy(response, audio)
}
func ExampleOpen() {
s3util.DefaultConfig.AccessKey = "...access key..."
s3util.DefaultConfig.SecretKey = "...secret key..."
r, _ := s3util.Open("https://mybucket.s3.amazonaws.com/log.txt", nil)
w, _ := os.Create("out.txt")
io.Copy(w, r)
w.Close()
}
func (backend *S3Backend) Get(hash string) ([]byte, error) {
r, err := s3util.Open(backend.key(hash), nil)
if err != nil {
return nil, err
}
defer r.Close()
var buf bytes.Buffer
w := bufio.NewWriter(&buf)
io.Copy(w, r)
return buf.Bytes(), nil
}
func GetUrl(url string) (resource io.Reader, err error) {
r, err := s3util.Open(url, nil)
if err != nil {
return
}
// now, we have the file;
// let's read it into memory
buf := new(bytes.Buffer)
if _, err = io.Copy(buf, r); err != nil {
return
}
// close the remote resource
r.Close()
return buf, nil
}
func open(s string) (io.ReadCloser, error) {
if isUrl(s) {
return s3util.Open(s, nil)
}
return os.Open(s)
}
