grafana/apps/iam/cmd/operator/authrt.go

32 lines
788 B
Go

package main
import (
"fmt"
"net/http"
utilnet "k8s.io/apimachinery/pkg/util/net"
"github.com/grafana/authlib/authn"
)
type authRoundTripper struct {
tokenExchangeClient *authn.TokenExchangeClient
transport http.RoundTripper
}
func (t *authRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
tokenResponse, err := t.tokenExchangeClient.Exchange(req.Context(), authn.TokenExchangeRequest{
Audiences: []string{"folder.grafana.app"},
Namespace: "*",
})
if err != nil {
return nil, fmt.Errorf("failed to exchange token: %w", err)
}
// clone the request as RTs are not expected to mutate the passed request
req = utilnet.CloneRequest(req)
req.Header.Set("X-Access-Token", "Bearer "+tokenResponse.Token)
return t.transport.RoundTrip(req)
}