<?php
/*
* Copyright 2018 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace Automattic\WooCommerce\GoogleListingsAndAds\Vendor\Google\Auth\Credentials;
use Automattic\WooCommerce\GoogleListingsAndAds\Vendor\Google\Auth\FetchAuthTokenInterface;
/**
* Provides a set of credentials that will always return an empty access token.
* This is useful for APIs which do not require authentication, for local
* service emulators, and for testing.
*/
class InsecureCredentials implements FetchAuthTokenInterface
{
/**
* @var array{access_token:string}
*/
private $token = [
'access_token' => ''
];
/**
* Fetches the auth token. In this case it returns an empty string.
*
* @param callable $httpHandler
* @return array{access_token:string} A set of auth related metadata
*/
public function fetchAuthToken(callable $httpHandler = null)
{
return $this->token;
}
/**
* Returns the cache key. In this case it returns a null value, disabling
* caching.
*
* @return string|null
*/
public function getCacheKey()
{
return null;
}
/**
* Fetches the last received token. In this case, it returns the same empty string
* auth token.
*
* @return array{access_token:string}
*/
public function getLastReceivedToken()
{
return $this->token;
}
}