|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace TMV\OpenIdClient\AuthMethod; |
|
6
|
|
|
|
|
7
|
|
|
use Jose\Component\Core\AlgorithmManager; |
|
8
|
|
|
use Jose\Component\Signature\Algorithm\HS256; |
|
9
|
|
|
use Jose\Component\Signature\JWSBuilder; |
|
10
|
|
|
use Jose\Component\Signature\Serializer\CompactSerializer; |
|
11
|
|
|
use Jose\Component\Signature\Serializer\Serializer; |
|
12
|
|
|
use TMV\OpenIdClient\ClientInterface as OpenIDClient; |
|
13
|
|
|
use TMV\OpenIdClient\Exception\InvalidArgumentException; |
|
14
|
|
|
use TMV\OpenIdClient\Exception\LogicException; |
|
15
|
|
|
use function TMV\OpenIdClient\jose_secret_key; |
|
16
|
|
|
|
|
17
|
|
|
final class ClientSecretJwt extends AbstractJwtAuth |
|
18
|
|
|
{ |
|
19
|
|
|
/** @var null|JWSBuilder */ |
|
20
|
|
|
private $jwsBuilder; |
|
21
|
|
|
|
|
22
|
|
|
/** @var Serializer */ |
|
23
|
|
|
private $jwsSerializer; |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* ClientSecretJwt constructor. |
|
27
|
|
|
* |
|
28
|
|
|
* @param null|JWSBuilder $jwsBuilder |
|
29
|
|
|
* @param null|Serializer $jwsSerializer |
|
30
|
|
|
*/ |
|
31
|
2 |
|
public function __construct( |
|
32
|
|
|
?JWSBuilder $jwsBuilder = null, |
|
33
|
|
|
?Serializer $jwsSerializer = null |
|
34
|
|
|
) { |
|
35
|
2 |
|
$this->jwsBuilder = $jwsBuilder; |
|
36
|
2 |
|
$this->jwsSerializer = $jwsSerializer ?: new CompactSerializer(); |
|
37
|
2 |
|
} |
|
38
|
|
|
|
|
39
|
1 |
|
public function getSupportedMethod(): string |
|
40
|
|
|
{ |
|
41
|
1 |
|
return 'client_secret_jwt'; |
|
42
|
|
|
} |
|
43
|
|
|
|
|
44
|
1 |
|
private function getJwsBuilder(): JWSBuilder |
|
45
|
|
|
{ |
|
46
|
1 |
|
if ($this->jwsBuilder) { |
|
47
|
1 |
|
return $this->jwsBuilder; |
|
48
|
|
|
} |
|
49
|
|
|
|
|
50
|
|
|
if (! \class_exists(HS256::class)) { |
|
51
|
|
|
throw new LogicException('To use the client_secret_jwt auth method you should install web-token/jwt-signature-algorithm-hmac package'); |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
return $this->jwsBuilder = new JWSBuilder(new AlgorithmManager([new HS256()])); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
1 |
|
protected function createAuthJwt(OpenIDClient $client, array $claims = []): string |
|
58
|
|
|
{ |
|
59
|
1 |
|
$issuer = $client->getIssuer(); |
|
60
|
1 |
|
$issuerMetadata = $issuer->getMetadata(); |
|
61
|
|
|
|
|
62
|
1 |
|
$clientId = $client->getMetadata()->getClientId(); |
|
63
|
1 |
|
$clientSecret = $client->getMetadata()->getClientSecret(); |
|
64
|
|
|
|
|
65
|
1 |
|
if (! $clientSecret) { |
|
66
|
|
|
throw new InvalidArgumentException($this->getSupportedMethod() . ' cannot be used without client_secret metadata'); |
|
67
|
|
|
} |
|
68
|
|
|
|
|
69
|
1 |
|
$jwk = jose_secret_key($clientSecret); |
|
70
|
|
|
|
|
71
|
1 |
|
$time = \time(); |
|
72
|
1 |
|
$jti = \bin2hex(\random_bytes(32)); |
|
73
|
|
|
|
|
74
|
|
|
/** @var string $payload */ |
|
75
|
1 |
|
$payload = \json_encode(\array_merge( |
|
76
|
1 |
|
$claims, |
|
77
|
|
|
[ |
|
78
|
1 |
|
'iss' => $clientId, |
|
79
|
1 |
|
'sub' => $clientId, |
|
80
|
1 |
|
'aud' => $issuerMetadata->getIssuer(), |
|
81
|
1 |
|
'iat' => $time, |
|
82
|
1 |
|
'exp' => $time + 60, |
|
83
|
1 |
|
'jti' => $jti, |
|
84
|
|
|
] |
|
85
|
|
|
)); |
|
86
|
|
|
|
|
87
|
1 |
|
$jws = $this->getJwsBuilder()->create() |
|
88
|
1 |
|
->withPayload($payload) |
|
89
|
1 |
|
->addSignature($jwk, ['alg' => 'HS256', 'jti' => $jti]) |
|
90
|
1 |
|
->build(); |
|
91
|
|
|
|
|
92
|
1 |
|
return $this->jwsSerializer->serialize($jws, 0); |
|
93
|
|
|
} |
|
94
|
|
|
} |
|
95
|
|
|
|
thomasvargiu /
php-openid-client
