Function auth

codelab/solution/codelab.go:493–502

Functions for constructing CEL inputs. auth constructs a `google.rpc.context.AttributeContext.Auth` message.

(user string, claims map[string]string)

// auth constructs a `google.rpc.context.AttributeContext.Auth` message.
func auth(user string, claims map[string]string) *rpcpb.AttributeContext_Auth {
	claimFields := make(map[string]*structpb.Value)
	for k, v := range claims {
		claimFields[k] = structpb.NewStringValue(v)
	}
	return &rpcpb.AttributeContext_Auth{
		Principal: user,
		Claims:    &structpb.Struct{Fields: claimFields},
	}
}

// request constructs a `google.rpc.context.AttributeContext.Request` message.
func request(auth *rpcpb.AttributeContext_Auth, t time.Time) map[string]any {