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\Signature\Serializer; |
15
|
|
|
|
16
|
|
|
use Base64Url\Base64Url; |
17
|
|
|
use Jose\Component\Signature\JWS; |
18
|
|
|
|
19
|
|
|
/** |
20
|
|
|
* Class JSONFlattenedSerializer. |
21
|
|
|
*/ |
22
|
|
|
final class JSONFlattenedSerializer extends AbstractSerializer |
23
|
|
|
{ |
24
|
|
|
public const NAME = 'jws_json_flattened'; |
25
|
|
|
|
26
|
|
|
/** |
27
|
|
|
* {@inheritdoc} |
28
|
|
|
*/ |
29
|
|
|
public function displayName(): string |
30
|
|
|
{ |
31
|
|
|
return 'JWS JSON Flattened'; |
32
|
|
|
} |
33
|
|
|
|
34
|
|
|
/** |
35
|
|
|
* {@inheritdoc} |
36
|
|
|
*/ |
37
|
|
|
public function name(): string |
38
|
|
|
{ |
39
|
|
|
return self::NAME; |
40
|
|
|
} |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* {@inheritdoc} |
44
|
|
|
*/ |
45
|
|
|
public function serialize(JWS $jws, ?int $signatureIndex = null): string |
46
|
|
|
{ |
47
|
|
|
if (null === $signatureIndex) { |
48
|
|
|
$signatureIndex = 0; |
49
|
|
|
} |
50
|
|
|
$signature = $jws->getSignature($signatureIndex); |
51
|
|
|
|
52
|
|
|
$data = []; |
53
|
|
|
$values = [ |
54
|
|
|
'payload' => $jws->getEncodedPayload(), |
55
|
|
|
'protected' => $signature->getEncodedProtectedHeaders(), |
56
|
|
|
'header' => $signature->getHeaders(), |
57
|
|
|
]; |
58
|
|
|
|
59
|
|
|
foreach ($values as $key => $value) { |
60
|
|
|
if (!empty($value)) { |
61
|
|
|
$data[$key] = $value; |
62
|
|
|
} |
63
|
|
|
} |
64
|
|
|
$data['signature'] = Base64Url::encode($signature->getSignature()); |
65
|
|
|
|
66
|
|
|
return json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |
67
|
|
|
} |
68
|
|
|
|
69
|
|
|
/** |
70
|
|
|
* {@inheritdoc} |
71
|
|
|
*/ |
72
|
|
|
public function unserialize(string $input): JWS |
73
|
|
|
{ |
74
|
|
|
$data = json_decode($input, true); |
75
|
|
|
if (!is_array($data) || !array_key_exists('signature', $data)) { |
76
|
|
|
throw new \InvalidArgumentException('Unsupported input.'); |
77
|
|
|
} |
78
|
|
|
|
79
|
|
|
$signature = Base64Url::decode($data['signature']); |
80
|
|
|
|
81
|
|
|
if (array_key_exists('protected', $data)) { |
82
|
|
|
$encodedProtectedHeaders = $data['protected']; |
83
|
|
|
$protectedHeaders = json_decode(Base64Url::decode($data['protected']), true); |
84
|
|
|
} else { |
85
|
|
|
$encodedProtectedHeaders = null; |
86
|
|
|
$protectedHeaders = []; |
87
|
|
|
} |
88
|
|
|
if (array_key_exists('header', $data)) { |
89
|
|
|
if (!is_array($data['header'])) { |
90
|
|
|
throw new \InvalidArgumentException('Bad header.'); |
91
|
|
|
} |
92
|
|
|
$headers = $data['header']; |
93
|
|
|
} else { |
94
|
|
|
$headers = []; |
95
|
|
|
} |
96
|
|
|
|
97
|
|
|
if (array_key_exists('payload', $data)) { |
98
|
|
|
$encodedPayload = $data['payload']; |
99
|
|
|
$payload = $this->isPayloadEncoded($protectedHeaders) ? Base64Url::decode($encodedPayload) : $encodedPayload; |
100
|
|
|
} else { |
101
|
|
|
$payload = null; |
102
|
|
|
$encodedPayload = null; |
103
|
|
|
} |
104
|
|
|
|
105
|
|
|
$jws = JWS::create($payload, $encodedPayload, null === $encodedPayload); |
106
|
|
|
$jws = $jws->addSignature($signature, $protectedHeaders, $encodedProtectedHeaders, $headers); |
107
|
|
|
|
108
|
|
|
return $jws; |
109
|
|
|
} |
110
|
|
|
} |
111
|
|
|
|