lego/vendor/github.com/nrdcg/namesilo/auth.go
2019-07-05 03:38:43 +02:00

57 lines
1.4 KiB
Go

package namesilo
import (
"fmt"
"net/http"
)
// TokenTransport HTTP transport for API authentication.
type TokenTransport struct {
apiKey string
// Transport is the underlying HTTP transport to use when making requests.
// It will default to http.DefaultTransport if nil.
Transport http.RoundTripper
}
// NewTokenTransport Creates a HTTP transport for API authentication.
func NewTokenTransport(apiKey string) (*TokenTransport, error) {
if apiKey == "" {
return nil, fmt.Errorf("credentials missing: API key")
}
return &TokenTransport{apiKey: apiKey}, nil
}
// RoundTrip executes a single HTTP transaction
func (t *TokenTransport) RoundTrip(req *http.Request) (*http.Response, error) {
enrichedReq := &http.Request{}
*enrichedReq = *req
enrichedReq.Header = make(http.Header, len(req.Header))
for k, s := range req.Header {
enrichedReq.Header[k] = append([]string(nil), s...)
}
if t.apiKey != "" {
query := enrichedReq.URL.Query()
query.Set("version", "1")
query.Set("type", "xml")
query.Set("key", t.apiKey)
enrichedReq.URL.RawQuery = query.Encode()
}
return t.transport().RoundTrip(enrichedReq)
}
// Client Creates a new HTTP client
func (t *TokenTransport) Client() *http.Client {
return &http.Client{Transport: t}
}
func (t *TokenTransport) transport() http.RoundTripper {
if t.Transport != nil {
return t.Transport
}
return http.DefaultTransport
}