|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of Badcow DNS Library. |
|
5
|
|
|
* |
|
6
|
|
|
* (c) Samuel Williams <[email protected]> |
|
7
|
|
|
* |
|
8
|
|
|
* For the full copyright and license information, please view the LICENSE |
|
9
|
|
|
* file that was distributed with this source code. |
|
10
|
|
|
*/ |
|
11
|
|
|
|
|
12
|
|
|
namespace Badcow\DNS\Rdata; |
|
13
|
|
|
|
|
14
|
|
|
/** |
|
15
|
|
|
* Class CaaRdata. |
|
16
|
|
|
* |
|
17
|
|
|
* CAA is defined in RFC 6844 |
|
18
|
|
|
* |
|
19
|
|
|
* @see https://tools.ietf.org/html/rfc6844 |
|
20
|
|
|
* |
|
21
|
|
|
* @author Samuel Williams <[email protected]> |
|
22
|
|
|
*/ |
|
23
|
|
|
class CAA implements RdataInterface |
|
24
|
|
|
{ |
|
25
|
|
|
use RdataTrait; |
|
26
|
|
|
|
|
27
|
|
|
const TYPE = 'CAA'; |
|
28
|
|
|
|
|
29
|
|
|
const MAX_FLAG = 255; |
|
30
|
|
|
|
|
31
|
|
|
const TAG_ISSUE = 'issue'; |
|
32
|
|
|
|
|
33
|
|
|
const TAG_ISSUEWILD = 'issuewild'; |
|
34
|
|
|
|
|
35
|
|
|
const TAG_IODEF = 'iodef'; |
|
36
|
|
|
|
|
37
|
|
|
const ALLOWED_TAGS = [self::TAG_ISSUE, self::TAG_ISSUEWILD, self::TAG_IODEF]; |
|
38
|
|
|
|
|
39
|
|
|
/** |
|
40
|
|
|
* It is currently used to represent the critical flag |
|
41
|
|
|
* |
|
42
|
|
|
* @var int |
|
43
|
|
|
*/ |
|
44
|
|
|
private $flag; |
|
45
|
|
|
|
|
46
|
|
|
/** |
|
47
|
|
|
* An ASCII string that represents the identifier of the property represented by the record. |
|
48
|
|
|
* The RFC currently defines 3 available tags: |
|
49
|
|
|
* - issue: explicity authorizes a single certificate authority to issue a certificate (any type) for the hostname. |
|
50
|
|
|
* - issuewild: explicity authorizes a single certificate authority to issue a wildcard certificate (and only wildcard) for the hostname. |
|
51
|
|
|
* - iodef: specifies a URL to which a certificate authority may report policy violations. |
|
52
|
|
|
* |
|
53
|
|
|
* @var string |
|
54
|
|
|
*/ |
|
55
|
|
|
private $tag; |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* @var string |
|
59
|
|
|
*/ |
|
60
|
|
|
private $value; |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* @return int |
|
64
|
|
|
*/ |
|
65
|
1 |
|
public function getFlag(): ?int |
|
66
|
|
|
{ |
|
67
|
1 |
|
return $this->flag; |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
/** |
|
71
|
|
|
* @param int $flag |
|
72
|
|
|
* |
|
73
|
|
|
* @throws \InvalidArgumentException |
|
74
|
|
|
*/ |
|
75
|
2 |
|
public function setFlag(int $flag): void |
|
76
|
|
|
{ |
|
77
|
2 |
|
if ($flag < 0 || $flag > static::MAX_FLAG) { |
|
78
|
1 |
|
throw new \InvalidArgumentException('Flag must be an unsigned integer on the range [0-255]'); |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
1 |
|
$this->flag = $flag; |
|
82
|
1 |
|
} |
|
83
|
|
|
|
|
84
|
|
|
/** |
|
85
|
|
|
* @return string |
|
86
|
|
|
*/ |
|
87
|
1 |
|
public function getTag(): ?string |
|
88
|
|
|
{ |
|
89
|
1 |
|
return $this->tag; |
|
90
|
|
|
} |
|
91
|
|
|
|
|
92
|
|
|
/** |
|
93
|
|
|
* @param string $tag |
|
94
|
|
|
* |
|
95
|
|
|
* @throws \InvalidArgumentException |
|
96
|
|
|
*/ |
|
97
|
2 |
|
public function setTag(string $tag): void |
|
98
|
|
|
{ |
|
99
|
2 |
|
if (!in_array($tag, static::ALLOWED_TAGS)) { |
|
100
|
1 |
|
throw new \InvalidArgumentException('Tag can be one of this type '.implode(' ', static::ALLOWED_TAGS)); |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
1 |
|
$this->tag = $tag; |
|
104
|
1 |
|
} |
|
105
|
|
|
|
|
106
|
|
|
/** |
|
107
|
|
|
* @return string |
|
108
|
|
|
*/ |
|
109
|
|
|
public function getValue(): string |
|
110
|
|
|
{ |
|
111
|
|
|
return $this->value; |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
/** |
|
115
|
|
|
* @param string $value |
|
116
|
|
|
*/ |
|
117
|
1 |
|
public function setValue(string $value): void |
|
118
|
|
|
{ |
|
119
|
1 |
|
$this->value = $value; |
|
120
|
1 |
|
} |
|
121
|
|
|
|
|
122
|
|
|
/** |
|
123
|
|
|
* {@inheritdoc} |
|
124
|
|
|
*/ |
|
125
|
1 |
|
public function output(): string |
|
126
|
|
|
{ |
|
127
|
1 |
|
return sprintf('%s %s "%s"', |
|
128
|
1 |
|
$this->flag, |
|
129
|
1 |
|
$this->tag, |
|
130
|
1 |
|
$this->value |
|
131
|
|
|
); |
|
132
|
|
|
} |
|
133
|
|
|
} |
|
134
|
|
|
|
Badcow /
DNS
