|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Superbrave\AuthZeroHttpClient; |
|
4
|
|
|
|
|
5
|
|
|
use Symfony\Component\Cache\Adapter\ArrayAdapter; |
|
6
|
|
|
use Symfony\Component\HttpClient\DecoratorTrait; |
|
7
|
|
|
use Symfony\Contracts\Cache\CacheInterface; |
|
8
|
|
|
use Symfony\Contracts\Cache\ItemInterface; |
|
9
|
|
|
use Symfony\Contracts\HttpClient\HttpClientInterface; |
|
10
|
|
|
use Symfony\Contracts\HttpClient\ResponseInterface; |
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* Handles authentication with Auth0 before actual requests are made. |
|
14
|
|
|
* |
|
15
|
|
|
* @author Niels Nijens <[email protected]> |
|
16
|
|
|
*/ |
|
17
|
|
|
class AuthZeroAuthenticatingHttpClient implements HttpClientInterface |
|
18
|
|
|
{ |
|
19
|
|
|
use DecoratorTrait; |
|
20
|
|
|
|
|
21
|
|
|
public function __construct( |
|
22
|
|
|
HttpClientInterface $client, |
|
23
|
|
|
private readonly AuthZeroConfiguration $authZeroConfiguration, |
|
24
|
|
|
private ArrayAdapter|CacheInterface|null $accessTokenCache = null, |
|
25
|
|
|
) { |
|
26
|
|
|
if ($this->accessTokenCache === null) { |
|
27
|
|
|
$this->accessTokenCache = new ArrayAdapter(); |
|
28
|
|
|
} |
|
29
|
|
|
|
|
30
|
|
|
$this->client = $client; |
|
31
|
|
|
} |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* Requests a JSON Web Token at Auth0 before executing the requested request. |
|
35
|
|
|
* |
|
36
|
|
|
* {@inheritdoc} |
|
37
|
6 |
|
*/ |
|
38
|
|
|
public function request(string $method, string $url, array $options = []): ResponseInterface |
|
39
|
|
|
{ |
|
40
|
|
|
$this->appendAuthBearerToRequestOptions($options); |
|
41
|
|
|
|
|
42
|
6 |
|
return $this->client->request($method, $url, $options); |
|
43
|
6 |
|
} |
|
44
|
|
|
|
|
45
|
6 |
|
/** |
|
46
|
6 |
|
* Appends the 'auth_bearer' option with the retrieved access token from Auth0. |
|
47
|
|
|
*/ |
|
48
|
|
|
private function appendAuthBearerToRequestOptions(array &$options): void |
|
49
|
6 |
|
{ |
|
50
|
6 |
|
if (isset($options['auth_bearer'])) { |
|
51
|
|
|
return; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
$accessToken = $this->getAccessTokenFromCache(); |
|
55
|
|
|
if ($accessToken instanceof AccessToken) { |
|
56
|
|
|
$options['auth_bearer'] = $accessToken->getToken(); |
|
57
|
5 |
|
} |
|
58
|
|
|
} |
|
59
|
5 |
|
|
|
60
|
|
|
/** |
|
61
|
5 |
|
* Returns an access token from the cache by the configured audience in the AuthZeroConfiguration. |
|
62
|
|
|
*/ |
|
63
|
|
|
private function getAccessTokenFromCache(): ?AccessToken |
|
64
|
|
|
{ |
|
65
|
|
|
// Replace invalid cache key characters with an underscore. |
|
66
|
|
|
$cacheKey = preg_replace('#[\{\}\(\)\/\\\@:]+#', '_', $this->authZeroConfiguration->getAudience()); |
|
67
|
1 |
|
|
|
68
|
|
|
if (!$this->accessTokenCache instanceof CacheInterface) { |
|
69
|
1 |
|
return null; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
return $this->accessTokenCache->get( |
|
73
|
|
|
$cacheKey, |
|
74
|
|
|
function (ItemInterface $item) { |
|
75
|
5 |
|
return $this->getNewAccessTokenForCache($item); |
|
76
|
|
|
} |
|
77
|
5 |
|
); |
|
78
|
1 |
|
} |
|
79
|
|
|
|
|
80
|
|
|
/** |
|
81
|
4 |
|
* Requests and returns a new AccessToken. |
|
82
|
4 |
|
* |
|
83
|
2 |
|
* This method is called by the access token cache on a cache miss. |
|
84
|
|
|
*/ |
|
85
|
4 |
|
private function getNewAccessTokenForCache(ItemInterface $item): ?AccessToken |
|
86
|
|
|
{ |
|
87
|
|
|
$accessToken = $this->requestAccessToken(); |
|
88
|
|
|
|
|
89
|
|
|
if ($accessToken !== null) { |
|
90
|
4 |
|
$item->expiresAfter($accessToken->getTtl()); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
4 |
|
return $accessToken; |
|
94
|
|
|
} |
|
95
|
4 |
|
|
|
96
|
4 |
|
/** |
|
97
|
|
|
* Requests an access token at Auth0. |
|
98
|
4 |
|
*/ |
|
99
|
4 |
|
private function requestAccessToken(): ?AccessToken |
|
100
|
|
|
{ |
|
101
|
|
|
$response = $this->client->request( |
|
102
|
|
|
'POST', |
|
103
|
|
|
$this->authZeroConfiguration->getTenantTokenUrl(), |
|
104
|
|
|
[ |
|
105
|
|
|
'json' => $this->authZeroConfiguration->getAuthenticationPayload(), |
|
106
|
|
|
] |
|
107
|
|
|
); |
|
108
|
4 |
|
|
|
109
|
|
|
if ($response->getStatusCode() !== 200) { |
|
110
|
4 |
|
return null; |
|
111
|
|
|
} |
|
112
|
4 |
|
|
|
113
|
2 |
|
$responseJson = $response->toArray(); |
|
114
|
|
|
if (isset($responseJson['access_token'], $responseJson['expires_in']) === false) { |
|
115
|
|
|
return null; |
|
116
|
4 |
|
} |
|
117
|
|
|
|
|
118
|
|
|
return new AccessToken($responseJson['access_token'], $responseJson['expires_in']); |
|
119
|
|
|
} |
|
120
|
|
|
} |
|
121
|
|
|
|
superbrave /
auth0-http-client
