Added response body print to debug ID token

internal/flows/jwt_bearer.go

@@ -51,6 +51,9 @@ func NewJwtBearerFlow(eps JwtBearerFlowEndpoints, params JwtBearerFlowParams) (s
 	if client == nil {
 		return "", fmt.Errorf("invalid client (client is nil)")
 	}
+	if verbose {
+		fmt.Printf("ID token (IDP): %s\n access token (IDP): %s", accessToken, idToken)
+	}
 	if accessToken != "" {
 		_, err := jws.Verify([]byte(accessToken), jws.WithKeySet(client.Provider.KeySet), jws.WithValidateKey(true))
 		if err != nil {

internal/oauth/authenticate.go

@@ -109,12 +109,14 @@ func (client *Client) FetchTokenFromAuthenticationServer(code string, state stri
 	}
 	res, err := http.PostForm(client.Provider.Endpoints.Token, body)
 	if err != nil {
-		return nil, fmt.Errorf("failed to get ID token: %s", err)
+		return nil, fmt.Errorf("failed to get ID token: %v", err)
 	}
+	b, err := io.ReadAll(res.Body)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read response body: %v", err)
+	}
+	fmt.Printf("%s\n", string(b))
 	defer res.Body.Close()
 
-	// domain, _ := url.Parse("http://127.0.0.1")
-	// client.Jar.SetCookies(domain, res.Cookies())
-
 	return io.ReadAll(res.Body)
 }