func TestPrivateImageView(t *testing.T) {
//首先上传一个图片 用于测试
policy := rs.PutPolicy{
Scope: bucket + ":" + key,
}
err := io.PutFile(nil, nil, policy.Token(nil), key, localFile, nil)
if err != nil {
t.Errorf("TestPrivateImageView failed: %v", err)
return
}
rawUrl := makeUrl(key)
iv := ImageView{
Mode: 2,
Height: 250,
Quality: 80,
}
imageViewUrl := iv.MakeRequest(rawUrl)
p := rs.GetPolicy{}
imageViewUrlWithToken := p.MakeRequest(imageViewUrl, nil)
resp, err := http.DefaultClient.Get(imageViewUrlWithToken)
if err != nil {
t.Errorf("TestPrivateImageView failed: %v", err)
return
}
defer resp.Body.Close()
if (resp.StatusCode / 100) != 2 {
t.Errorf("TestPrivateImageView failed: resp.StatusCode = %v", resp.StatusCode)
return
}
}
func (driver *QiniuDriver) GetFile(key string, offset int64) (int64, io.ReadCloser, error) {
stat, err := driver.Stat(key)
if err != nil {
return 0, nil, err
}
key = strings.TrimLeft(key, "/")
domain := fmt.Sprintf("%s.qiniudn.com", driver.bucket)
baseUrl := rs.MakeBaseUrl(domain, key)
policy := rs.GetPolicy{}
downUrl := policy.MakeRequest(baseUrl, nil)
resp, err := http.Get(downUrl)
if err != nil {
return 0, nil, err
}
return stat.Size(), NewSkipReadCloser(resp.Body, offset), nil
}
// @gist downloadUrl
func downloadUrl(domain, key string) string {
baseUrl := rs.MakeBaseUrl(domain, key)
policy := rs.GetPolicy{}
return policy.MakeRequest(baseUrl, nil)
}
