Imports github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests github.com/aliyun/alibaba-cloud-sdk-go/services/sts github.com/aliyun/aliyun-oss-go-sdk/oss github.com/qiniu/go-sdk/v7/auth github.com/qiniu/go-sdk/v7/storage Standard library imports bytes context fmt io io/ioutil net/http time