wp-stateless / lib / Google / vendor / google / auth / src / Credentials / UserRefreshCredentials.php

UserRefreshCredentials.php in WP-Stateless – Google Cloud Storage 2.1.4, at lib/Google/vendor/google/auth/src/Credentials/UserRefreshCredentials.php

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1	<?php
2	/*
3	* Copyright 2015 Google Inc.
4	*
5	* Licensed under the Apache License, Version 2.0 (the "License");
6	* you may not use this file except in compliance with the License.
7	* You may obtain a copy of the License at
8	*
9	* http://www.apache.org/licenses/LICENSE-2.0
10	*
11	* Unless required by applicable law or agreed to in writing, software
12	* distributed under the License is distributed on an "AS IS" BASIS,
13	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14	* See the License for the specific language governing permissions and
15	* limitations under the License.
16	*/
17
18	namespace Google\Auth\Credentials;
19
20	use Google\Auth\CredentialsLoader;
21	use Google\Auth\OAuth2;
22
23	/**
24	* Authenticates requests using User Refresh credentials.
25	*
26	* This class allows authorizing requests from user refresh tokens.
27	*
28	* This the end of the result of a 3LO flow. E.g, the end result of
29	* 'gcloud auth login' saves a file with these contents in well known
30	* location
31	*
32	* cf [Application Default Credentials](http://goo.gl/mkAHpZ)
33	*/
34	class UserRefreshCredentials extends CredentialsLoader
35	{
36	/**
37	* The OAuth2 instance used to conduct authorization.
38	*/
39	protected $auth;
40
41	/**
42	* Create a new UserRefreshCredentials.
43	*
44	* @param string\|array $scope the scope of the access request, expressed
45	* either as an Array or as a space-delimited String.
46	*
47	* @param string\|array $jsonKey JSON credential file path or JSON credentials
48	* as an associative array
49	*/
50	public function __construct(
51	$scope,
52	$jsonKey
53	) {
54	if (is_string($jsonKey)) {
55	if (!file_exists($jsonKey)) {
56	throw new \InvalidArgumentException('file does not exist');
57	}
58	$jsonKeyStream = file_get_contents($jsonKey);
59	if (!$jsonKey = json_decode($jsonKeyStream, true)) {
60	throw new \LogicException('invalid json for auth config');
61	}
62	}
63	if (!array_key_exists('client_id', $jsonKey)) {
64	throw new \InvalidArgumentException(
65	'json key is missing the client_id field');
66	}
67	if (!array_key_exists('client_secret', $jsonKey)) {
68	throw new \InvalidArgumentException(
69	'json key is missing the client_secret field');
70	}
71	if (!array_key_exists('refresh_token', $jsonKey)) {
72	throw new \InvalidArgumentException(
73	'json key is missing the refresh_token field');
74	}
75	$this->auth = new OAuth2([
76	'clientId' => $jsonKey['client_id'],
77	'clientSecret' => $jsonKey['client_secret'],
78	'refresh_token' => $jsonKey['refresh_token'],
79	'scope' => $scope,
80	'tokenCredentialUri' => self::TOKEN_CREDENTIAL_URI
81	]);
82	}
83
84	/**
85	* Implements FetchAuthTokenInterface#fetchAuthToken.
86	*/
87	public function fetchAuthToken(callable $httpHandler = null)
88	{
89	return $this->auth->fetchAuthToken($httpHandler);
90	}
91
92	/**
93	* Implements FetchAuthTokenInterface#getCacheKey.
94	*/
95	public function getCacheKey()
96	{
97	return $this->auth->getClientId() . ':' . $this->auth->getCacheKey();
98	}
99
100	/**
101	* Implements FetchAuthTokenInterface#getLastReceivedToken.
102	*/
103	public function getLastReceivedToken()
104	{
105	return $this->auth->getLastReceivedToken();
106	}
107	}
108