|
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\Encryption\Serializer; |
|
15
|
|
|
|
|
16
|
|
|
use Base64Url\Base64Url; |
|
17
|
|
|
use Jose\Component\Encryption\JWE; |
|
18
|
|
|
use Jose\Component\Encryption\Recipient; |
|
19
|
|
|
|
|
20
|
|
|
/** |
|
21
|
|
|
* Class JSONGeneralSerializer. |
|
22
|
|
|
*/ |
|
23
|
|
|
final class JSONGeneralSerializer implements JWESerializerInterface |
|
24
|
|
|
{ |
|
25
|
|
|
public const NAME = 'jwe_json_general'; |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* {@inheritdoc} |
|
29
|
|
|
*/ |
|
30
|
|
|
public function displayName(): string |
|
31
|
|
|
{ |
|
32
|
|
|
return 'JWE JSON General'; |
|
33
|
|
|
} |
|
34
|
|
|
|
|
35
|
|
|
/** |
|
36
|
|
|
* {@inheritdoc} |
|
37
|
|
|
*/ |
|
38
|
|
|
public function name(): string |
|
39
|
|
|
{ |
|
40
|
|
|
return self::NAME; |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* {@inheritdoc} |
|
45
|
|
|
*/ |
|
46
|
|
|
public function serialize(JWE $jwe, ?int $recipientIndex = null): string |
|
47
|
|
|
{ |
|
48
|
|
|
if (0 === $jwe->countRecipients()) { |
|
49
|
|
|
throw new \LogicException('No recipient.'); |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
$data = [ |
|
53
|
|
|
'ciphertext' => Base64Url::encode($jwe->getCiphertext()), |
|
54
|
|
|
'iv' => Base64Url::encode($jwe->getIV()), |
|
55
|
|
|
'tag' => Base64Url::encode($jwe->getTag()), |
|
56
|
|
|
]; |
|
57
|
|
|
if (null !== $jwe->getAAD()) { |
|
58
|
|
|
$data['aad'] = Base64Url::encode($jwe->getAAD()); |
|
59
|
|
|
} |
|
60
|
|
|
if (!empty($jwe->getSharedProtectedHeaders())) { |
|
61
|
|
|
$data['protected'] = $jwe->getEncodedSharedProtectedHeaders(); |
|
62
|
|
|
} |
|
63
|
|
|
if (!empty($jwe->getSharedHeaders())) { |
|
64
|
|
|
$data['unprotected'] = $jwe->getSharedHeaders(); |
|
65
|
|
|
} |
|
66
|
|
|
$data['recipients'] = []; |
|
67
|
|
|
foreach ($jwe->getRecipients() as $recipient) { |
|
68
|
|
|
$temp = []; |
|
69
|
|
|
if (!empty($recipient->getHeaders())) { |
|
70
|
|
|
$temp['header'] = $recipient->getHeaders(); |
|
71
|
|
|
} |
|
72
|
|
|
if (null !== $recipient->getEncryptedKey()) { |
|
73
|
|
|
$temp['encrypted_key'] = Base64Url::encode($recipient->getEncryptedKey()); |
|
74
|
|
|
} |
|
75
|
|
|
$data['recipients'][] = $temp; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
return json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
/** |
|
82
|
|
|
* {@inheritdoc} |
|
83
|
|
|
*/ |
|
84
|
|
|
public function unserialize(string $input): JWE |
|
85
|
|
|
{ |
|
86
|
|
|
$data = json_decode($input, true); |
|
87
|
|
|
if (!is_array($data) || !array_key_exists('ciphertext', $data) || !array_key_exists('recipients', $data)) { |
|
88
|
|
|
throw new \InvalidArgumentException('Unsupported input.'); |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
$ciphertext = Base64Url::decode($data['ciphertext']); |
|
92
|
|
|
$iv = Base64Url::decode($data['iv']); |
|
93
|
|
|
$tag = Base64Url::decode($data['tag']); |
|
94
|
|
|
$aad = array_key_exists('aad', $data) ? Base64Url::decode($data['aad']) : null; |
|
95
|
|
|
$encodedSharedProtectedHeader = array_key_exists('protected', $data) ? $data['protected'] : null; |
|
96
|
|
|
$sharedProtectedHeader = $encodedSharedProtectedHeader ? json_decode(Base64Url::decode($encodedSharedProtectedHeader), true) : []; |
|
97
|
|
|
$sharedHeader = array_key_exists('unprotected', $data) ? $data['unprotected'] : []; |
|
98
|
|
|
$recipients = []; |
|
99
|
|
|
foreach ($data['recipients'] as $recipient) { |
|
100
|
|
|
$encryptedKey = array_key_exists('encrypted_key', $recipient) ? Base64Url::decode($recipient['encrypted_key']) : null; |
|
101
|
|
|
$header = array_key_exists('header', $recipient) ? $recipient['header'] : []; |
|
102
|
|
|
$recipients[] = Recipient::create($header, $encryptedKey); |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
return JWE::create( |
|
106
|
|
|
$ciphertext, |
|
107
|
|
|
$iv, |
|
108
|
|
|
$tag, |
|
109
|
|
|
$aad, |
|
110
|
|
|
$sharedHeader, |
|
111
|
|
|
$sharedProtectedHeader, |
|
112
|
|
|
$encodedSharedProtectedHeader, |
|
113
|
|
|
$recipients); |
|
114
|
|
|
} |
|
115
|
|
|
} |
|
116
|
|
|
|
Spomky-Labs /
jose
