downscope: update examples

google/downscope/tokenconsumer_test.go

@@ -5,40 +5,36 @@ import (
 )
 
 type localTokenSource struct {
-	requestedPerms []string
 	requestedObject string
-	brokerURL string
+	brokerURL       string
 }
 
-func (localTokenSource) Token() (*oauth2.Token, error){
+func (localTokenSource) Token() (*oauth2.Token, error) {
 	var remoteToken oauth2.Token
 	// retrieve remoteToken, an oauth2.Token, from token broker
 	return &remoteToken, nil
 }
 
-
 func Example() {
-	// A token consumer should define their own tokenSource.  In the Token() method,
+	// A token consumer should define their own tokenSource. In the Token() method,
 	// it should send a query to a token broker requesting a downscoped token.
 	// The token broker holds the root credential that is used to generate the
 	// downscoped token.
 
 	thisTokenSource := localTokenSource{
-		requestedPerms: []string{"inRole:roles/storage.objectViewer"},
 		requestedObject: "//storage.googleapis.com/projects/_/buckets/foo",
-		brokerURL: "yourURL.com/internal/broker",
+		brokerURL:       "yourURL.com/internal/broker",
 	}
 
 	// Wrap the TokenSource in an oauth2.ReuseTokenSource to enable automatic refreshing
 	refreshableTS := oauth2.ReuseTokenSource(nil, thisTokenSource)
 
-
 	// You can now use the token source to access Google Cloud Storage resources as follows.
 
 	// storageClient, err := storage.NewClient(ctx, option.WithTokenSource(refreshableTS))
-	// bkt := storageClient.Bucket(bucketName)
+	// bkt := storageClient.Bucket("foo"")
 	// obj := bkt.Object(objectName)
 	// rc, err := obj.NewReader(ctx)
 	// defer rc.Close()
 	// data, err := ioutil.ReadAll(rc)
-}
+}