func (c *Client) request(client *http.Client, credentials *Credentials, urlStr string, param web.Values) (*Credentials, web.Values, os.Error) {
c.SignParam(credentials, "POST", urlStr, param)
resp, err := http.Post(urlStr, "application/x-www-form-urlencoded", bytes.NewBuffer(param.FormEncodedBytes()))
if err != nil {
return nil, nil, err
}
p, err := ioutil.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
return nil, nil, err
}
if resp.StatusCode != 200 {
return nil, nil, os.NewError(fmt.Sprintf("OAuth server status %d, %s", resp.StatusCode, string(p)))
}
m := make(web.Values)
err = m.ParseFormEncodedBytes(p)
if err != nil {
return nil, nil, err
}
credentials = &Credentials{Token: m.Get("oauth_token"), Secret: m.Get("oauth_token_secret")}
if credentials.Token == "" {
return nil, nil, os.NewError("No OAuth token in server result")
}
if credentials.Secret == "" {
return nil, nil, os.NewError("No OAuth secret in server result")
}
return credentials, m, nil
}
