// Open an object for read
func (o *Object) Open(options ...fs.OpenOption) (in io.ReadCloser, err error) {
req, err := http.NewRequest("GET", o.url, nil)
if err != nil {
return nil, err
}
fs.OpenOptionAddHTTPHeaders(req.Header, options)
res, err := o.fs.client.Do(req)
if err != nil {
return nil, err
}
_, isRanging := req.Header["Range"]
if !(res.StatusCode == http.StatusOK || (isRanging && res.StatusCode == http.StatusPartialContent)) {
_ = res.Body.Close() // ignore error
return nil, errors.Errorf("bad response: %d: %s", res.StatusCode, res.Status)
}
return res.Body, nil
}
// httpResponse gets an http.Response object for the object o.url
// using the method passed in
func (o *Object) httpResponse(method string, options []fs.OpenOption) (req *http.Request, res *http.Response, err error) {
if o.url == "" {
return nil, nil, errors.New("forbidden to download - check sharing permission")
}
req, err = http.NewRequest(method, o.url, nil)
if err != nil {
return req, nil, err
}
fs.OpenOptionAddHTTPHeaders(req.Header, options)
err = o.fs.pacer.Call(func() (bool, error) {
res, err = o.fs.client.Do(req)
return shouldRetry(err)
})
if err != nil {
return req, nil, err
}
return req, res, nil
}