fix wrong refactor

auth/services/oauth/verifier.go

@@ -20,8 +20,10 @@
 package oauth
 
 import (
+	"context"
 	"crypto/tls"
 	"fmt"
+	"github.com/nuts-foundation/nuts-node/auth/client/iam"
 	"github.com/nuts-foundation/nuts-node/vdr/didweb"
 	"net/url"
 	"time"
@@ -47,6 +49,16 @@ func NewVerifier(strictMode bool, httpClientTimeout time.Duration, httpClientTLS
 	}
 }
 
+func (v *VerifierServiceProvider) AuthorizationServerMetadata(ctx context.Context, webdid did.DID) (*oauth.AuthorizationServerMetadata, error) {
+	iamClient := iam.NewHTTPClient(v.strictMode, v.httpClientTimeout, v.httpClientTLS)
+	// the wallet/holder acts as authorization server
+	metadata, err := iamClient.OAuthAuthorizationServerMetadata(ctx, webdid)
+	if err != nil {
+		return nil, fmt.Errorf("failed to retrieve remote OAuth Authorization Server metadata: %w", err)
+	}
+	return metadata, nil
+}
+
 func (v *VerifierServiceProvider) ClientMetadataURL(webdid did.DID) (*url.URL, error) {
 	didURL, err := didweb.DIDToURL(webdid)
 	if err != nil {