|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types = 1); |
|
4
|
|
|
|
|
5
|
|
|
namespace Sop\CryptoEncoding; |
|
6
|
|
|
|
|
7
|
|
|
/** |
|
8
|
|
|
* Container for multiple PEM objects. |
|
9
|
|
|
* |
|
10
|
|
|
* The order of PEMs shall be retained, eg. when read from a file. |
|
11
|
|
|
*/ |
|
12
|
|
|
class PEMBundle implements \Countable, \IteratorAggregate |
|
13
|
|
|
{ |
|
14
|
|
|
/** |
|
15
|
|
|
* Array of PEM objects. |
|
16
|
|
|
* |
|
17
|
|
|
* @var PEM[] $_pems |
|
18
|
|
|
*/ |
|
19
|
|
|
protected $_pems; |
|
20
|
|
|
|
|
21
|
|
|
/** |
|
22
|
|
|
* Constructor. |
|
23
|
|
|
* |
|
24
|
|
|
* @param PEM ...$pems |
|
25
|
|
|
*/ |
|
26
|
2 |
|
public function __construct(PEM ...$pems) |
|
27
|
|
|
{ |
|
28
|
2 |
|
$this->_pems = $pems; |
|
29
|
2 |
|
} |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* Initialize from a string. |
|
33
|
|
|
* |
|
34
|
|
|
* @param string $str |
|
35
|
|
|
* @throws \UnexpectedValueException |
|
36
|
|
|
* @return self |
|
37
|
|
|
*/ |
|
38
|
3 |
|
public static function fromString(string $str): self |
|
39
|
|
|
{ |
|
40
|
3 |
|
if (!preg_match_all(PEM::PEM_REGEX, $str, $matches, PREG_SET_ORDER)) { |
|
41
|
1 |
|
throw new \UnexpectedValueException("No PEM blocks."); |
|
42
|
|
|
} |
|
43
|
2 |
|
$pems = array_map( |
|
44
|
2 |
|
function ($match) { |
|
45
|
2 |
|
$payload = preg_replace('/\s+/', "", $match[2]); |
|
46
|
2 |
|
$data = base64_decode($payload, true); |
|
47
|
2 |
|
if (false === $data) { |
|
48
|
1 |
|
throw new \UnexpectedValueException( |
|
49
|
1 |
|
"Failed to decode PEM data."); |
|
50
|
|
|
} |
|
51
|
1 |
|
return new PEM($match[1], $data); |
|
52
|
2 |
|
}, $matches); |
|
53
|
1 |
|
return new self(...$pems); |
|
54
|
|
|
} |
|
55
|
|
|
|
|
56
|
|
|
/** |
|
57
|
|
|
* Initialize from a file. |
|
58
|
|
|
* |
|
59
|
|
|
* @param string $filename |
|
60
|
|
|
* @throws \RuntimeException If file reading fails |
|
61
|
|
|
* @return self |
|
62
|
|
|
*/ |
|
63
|
2 |
|
public static function fromFile($filename): self |
|
64
|
|
|
{ |
|
65
|
2 |
|
if (!is_readable($filename) || |
|
66
|
2 |
|
false === ($str = file_get_contents($filename))) { |
|
67
|
1 |
|
throw new \RuntimeException("Failed to read $filename."); |
|
68
|
|
|
} |
|
69
|
1 |
|
return self::fromString($str); |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
/** |
|
73
|
|
|
* Get self with PEM objects appended. |
|
74
|
|
|
* |
|
75
|
|
|
* @param PEM ...$pems |
|
76
|
|
|
* @return self |
|
77
|
|
|
*/ |
|
78
|
1 |
|
public function withPEMs(PEM ...$pems): self |
|
79
|
|
|
{ |
|
80
|
1 |
|
$obj = clone $this; |
|
81
|
1 |
|
$obj->_pems = array_merge($obj->_pems, $pems); |
|
82
|
1 |
|
return $obj; |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
/** |
|
86
|
|
|
* Get all PEMs in a bundle. |
|
87
|
|
|
* |
|
88
|
|
|
* @return PEM[] |
|
89
|
|
|
*/ |
|
90
|
1 |
|
public function all(): array |
|
91
|
|
|
{ |
|
92
|
1 |
|
return $this->_pems; |
|
93
|
|
|
} |
|
94
|
|
|
|
|
95
|
|
|
/** |
|
96
|
|
|
* Get the first PEM in a bundle. |
|
97
|
|
|
* |
|
98
|
|
|
* @throws \LogicException If bundle contains no PEM objects |
|
99
|
|
|
* @return PEM |
|
100
|
|
|
*/ |
|
101
|
2 |
|
public function first(): PEM |
|
102
|
|
|
{ |
|
103
|
2 |
|
if (!count($this->_pems)) { |
|
104
|
1 |
|
throw new \LogicException("No PEMs."); |
|
105
|
|
|
} |
|
106
|
1 |
|
return $this->_pems[0]; |
|
107
|
|
|
} |
|
108
|
|
|
|
|
109
|
|
|
/** |
|
110
|
|
|
* |
|
111
|
|
|
* @see \Countable::count() |
|
112
|
|
|
* @return int |
|
113
|
|
|
*/ |
|
114
|
2 |
|
public function count(): int |
|
115
|
|
|
{ |
|
116
|
2 |
|
return count($this->_pems); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
|
|
/** |
|
120
|
|
|
* Get iterator for PEMs. |
|
121
|
|
|
* |
|
122
|
|
|
* @see \IteratorAggregate::getIterator() |
|
123
|
|
|
* @return \ArrayIterator |
|
124
|
|
|
*/ |
|
125
|
1 |
|
public function getIterator(): \ArrayIterator |
|
126
|
|
|
{ |
|
127
|
1 |
|
return new \ArrayIterator($this->_pems); |
|
128
|
|
|
} |
|
129
|
|
|
|
|
130
|
|
|
/** |
|
131
|
|
|
* Encode bundle to a string of contiguous PEM blocks. |
|
132
|
|
|
* |
|
133
|
|
|
* @return string |
|
134
|
|
|
*/ |
|
135
|
2 |
|
public function string(): string |
|
136
|
|
|
{ |
|
137
|
2 |
|
return implode("\n", |
|
138
|
2 |
|
array_map( |
|
139
|
2 |
|
function (PEM $pem) { |
|
140
|
2 |
|
return $pem->string(); |
|
141
|
2 |
|
}, $this->_pems)); |
|
142
|
|
|
} |
|
143
|
|
|
|
|
144
|
|
|
/** |
|
145
|
|
|
* |
|
146
|
|
|
* @return string |
|
147
|
|
|
*/ |
|
148
|
1 |
|
public function __toString() |
|
149
|
|
|
{ |
|
150
|
1 |
|
return $this->string(); |
|
151
|
|
|
} |
|
152
|
|
|
} |
|
153
|
|
|
|
sop /
crypto-encoding
