1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
declare(strict_types=1); |
4
|
|
|
|
5
|
|
|
/* |
6
|
|
|
* The MIT License (MIT) |
7
|
|
|
* |
8
|
|
|
* Copyright (c) 2014-2017 Spomky-Labs |
9
|
|
|
* |
10
|
|
|
* This software may be modified and distributed under the terms |
11
|
|
|
* of the MIT license. See the LICENSE file for details. |
12
|
|
|
*/ |
13
|
|
|
|
14
|
|
|
namespace Jose\Component\Core; |
15
|
|
|
|
16
|
|
|
use Base64Url\Base64Url; |
17
|
|
|
|
18
|
|
|
/** |
19
|
|
|
* Class JWK. |
20
|
|
|
*/ |
21
|
|
|
final class JWK implements \JsonSerializable |
22
|
|
|
{ |
23
|
|
|
/** |
24
|
|
|
* @var array |
25
|
|
|
*/ |
26
|
|
|
private $values = []; |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* JWK constructor. |
30
|
|
|
* |
31
|
|
|
* @param array $values |
32
|
|
|
*/ |
33
|
|
|
private function __construct(array $values) |
34
|
|
|
{ |
35
|
|
|
$this->values = $values; |
36
|
|
|
} |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* @param array $values |
40
|
|
|
* |
41
|
|
|
* @return JWK |
42
|
|
|
*/ |
43
|
|
|
public static function create(array $values): self |
44
|
|
|
{ |
45
|
|
|
if (!array_key_exists('kty', $values)) { |
46
|
|
|
throw new \InvalidArgumentException('The parameter "kty" is mandatory.'); |
47
|
|
|
} |
48
|
|
|
|
49
|
|
|
return new self($values); |
50
|
|
|
} |
51
|
|
|
|
52
|
|
|
/** |
53
|
|
|
* @param string $json |
54
|
|
|
* |
55
|
|
|
* @return JWK |
56
|
|
|
*/ |
57
|
|
|
public static function createFromJson(string $json): self |
58
|
|
|
{ |
59
|
|
|
$data = json_decode($json, true); |
60
|
|
|
if (!is_array($data)) { |
61
|
|
|
throw new \InvalidArgumentException('Invalid argument.'); |
62
|
|
|
} |
63
|
|
|
|
64
|
|
|
return self::create($data); |
65
|
|
|
} |
66
|
|
|
|
67
|
|
|
/** |
68
|
|
|
* {@inheritdoc} |
69
|
|
|
*/ |
70
|
|
|
public function jsonSerialize() |
71
|
|
|
{ |
72
|
|
|
return $this->values; |
73
|
|
|
} |
74
|
|
|
|
75
|
|
|
/** |
76
|
|
|
* Get the value with a specific key. |
77
|
|
|
* |
78
|
|
|
* @param string $key The key |
79
|
|
|
* |
80
|
|
|
* @throws \InvalidArgumentException |
81
|
|
|
* |
82
|
|
|
* @return mixed|null The value |
83
|
|
|
*/ |
84
|
|
|
public function get(string $key) |
85
|
|
|
{ |
86
|
|
|
if (!$this->has($key)) { |
87
|
|
|
throw new \InvalidArgumentException(sprintf('The value identified by "%s" does not exist.', $key)); |
88
|
|
|
} |
89
|
|
|
|
90
|
|
|
return $this->values[$key]; |
91
|
|
|
} |
92
|
|
|
|
93
|
|
|
/** |
94
|
|
|
* Returns true if the JWK has the value identified by. |
95
|
|
|
* |
96
|
|
|
* @param string $key The key |
97
|
|
|
* |
98
|
|
|
* @return bool |
99
|
|
|
*/ |
100
|
|
|
public function has(string $key): bool |
101
|
|
|
{ |
102
|
|
|
return array_key_exists($key, $this->values); |
103
|
|
|
} |
104
|
|
|
|
105
|
|
|
/** |
106
|
|
|
* Get all values stored in the JWK object. |
107
|
|
|
* |
108
|
|
|
* @return array Values of the JWK object |
109
|
|
|
*/ |
110
|
|
|
public function all(): array |
111
|
|
|
{ |
112
|
|
|
return $this->values; |
113
|
|
|
} |
114
|
|
|
|
115
|
|
|
/** |
116
|
|
|
* Returns the thumbprint of the key. |
117
|
|
|
* |
118
|
|
|
* @see https://tools.ietf.org/html/rfc7638 |
119
|
|
|
* |
120
|
|
|
* @param string $hash_algorithm |
121
|
|
|
* |
122
|
|
|
* @throws \InvalidArgumentException |
123
|
|
|
* |
124
|
|
|
* @return string |
125
|
|
|
*/ |
126
|
|
|
public function thumbprint(string $hash_algorithm): string |
127
|
|
|
{ |
128
|
|
|
if (!in_array($hash_algorithm, hash_algos())) { |
129
|
|
|
throw new \InvalidArgumentException(sprintf('The hash algorithm "%s" is not supported.', $hash_algorithm)); |
130
|
|
|
} |
131
|
|
|
|
132
|
|
|
$values = array_intersect_key($this->values, array_flip(['kty', 'n', 'e', 'crv', 'x', 'y', 'k'])); |
133
|
|
|
ksort($values); |
134
|
|
|
$input = json_encode($values, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |
135
|
|
|
|
136
|
|
|
return Base64Url::encode(hash($hash_algorithm, $input, true)); |
137
|
|
|
} |
138
|
|
|
|
139
|
|
|
/** |
140
|
|
|
* @return JWK |
141
|
|
|
*/ |
142
|
|
|
public function toPublic(): self |
143
|
|
|
{ |
144
|
|
|
$values = array_diff_key($this->values, array_flip(['p', 'd', 'q', 'dp', 'dq', 'qi'])); |
145
|
|
|
|
146
|
|
|
return new self($values); |
147
|
|
|
} |
148
|
|
|
} |
149
|
|
|
|