|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/* |
|
4
|
|
|
* This file is part of PHP DNS Server. |
|
5
|
|
|
* |
|
6
|
|
|
* (c) Yif Swery <[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 yswery\DNS\Resolver; |
|
13
|
|
|
|
|
14
|
|
|
use yswery\DNS\ClassEnum; |
|
15
|
|
|
use yswery\DNS\RecordTypeEnum; |
|
16
|
|
|
use yswery\DNS\ResourceRecord; |
|
17
|
|
|
use yswery\DNS\UnsupportedTypeException; |
|
18
|
|
|
|
|
19
|
|
|
class JsonResolver extends AbstractResolver |
|
20
|
|
|
{ |
|
21
|
|
|
/** |
|
22
|
|
|
* @var int |
|
23
|
|
|
*/ |
|
24
|
|
|
protected $defaultClass = ClassEnum::INTERNET; |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* @var int |
|
28
|
|
|
*/ |
|
29
|
|
|
protected $defaultTtl; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* JsonResolver constructor. |
|
33
|
|
|
* |
|
34
|
|
|
* @param array $files |
|
35
|
|
|
* @param int $defaultTtl |
|
36
|
|
|
* |
|
37
|
|
|
* @throws UnsupportedTypeException |
|
38
|
|
|
*/ |
|
39
|
35 |
|
public function __construct(array $files, $defaultTtl = 300) |
|
40
|
|
|
{ |
|
41
|
35 |
|
$this->isAuthoritative = true; |
|
42
|
35 |
|
$this->allowRecursion = false; |
|
43
|
35 |
|
$this->defaultTtl = $defaultTtl; |
|
44
|
|
|
|
|
45
|
35 |
|
foreach ($files as $file) { |
|
46
|
24 |
|
$zone = json_decode(file_get_contents($file), true); |
|
47
|
24 |
|
$resourceRecords = $this->isLegacyFormat($zone) ? $this->processLegacyZone($zone) : $this->processZone($zone); |
|
48
|
24 |
|
$this->addZone($resourceRecords); |
|
49
|
|
|
} |
|
50
|
35 |
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* @param array $zone |
|
54
|
|
|
* |
|
55
|
|
|
* @return ResourceRecord[] |
|
56
|
|
|
* |
|
57
|
|
|
* @throws UnsupportedTypeException |
|
58
|
|
|
*/ |
|
59
|
34 |
|
protected function processZone(array $zone): array |
|
60
|
|
|
{ |
|
61
|
34 |
|
$parent = rtrim($zone['domain'], '.').'.'; |
|
62
|
34 |
|
$defaultTtl = $zone['default-ttl']; |
|
63
|
34 |
|
$rrs = $zone['resource-records']; |
|
64
|
34 |
|
$resourceRecords = []; |
|
65
|
|
|
|
|
66
|
34 |
|
foreach ($rrs as $rr) { |
|
67
|
34 |
|
$name = $rr['name'] ?? $parent; |
|
68
|
34 |
|
$class = isset($rr['class']) ? ClassEnum::getClassFromName($rr['class']) : $this->defaultClass; |
|
69
|
|
|
|
|
70
|
34 |
|
$resourceRecords[] = (new ResourceRecord()) |
|
71
|
34 |
|
->setName($this->handleName($name, $parent)) |
|
72
|
34 |
|
->setClass($class) |
|
73
|
34 |
|
->setType($type = RecordTypeEnum::getTypeFromName($rr['type'])) |
|
74
|
34 |
|
->setTtl($rr['ttl'] ?? $defaultTtl) |
|
75
|
34 |
|
->setRdata($this->extractRdata($rr, $type, $parent)); |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
34 |
|
return $resourceRecords; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
/** |
|
82
|
|
|
* Determine if a $zone is in the legacy format. |
|
83
|
|
|
* |
|
84
|
|
|
* @param array $zone |
|
85
|
|
|
* |
|
86
|
|
|
* @return bool |
|
87
|
|
|
*/ |
|
88
|
34 |
|
protected function isLegacyFormat(array $zone): bool |
|
89
|
|
|
{ |
|
90
|
|
|
$keys = array_map(function ($value) { |
|
91
|
34 |
|
return strtolower($value); |
|
92
|
34 |
|
}, array_keys($zone)); |
|
93
|
|
|
|
|
94
|
|
|
return |
|
95
|
34 |
|
(false === array_search('domain', $keys, true)) || |
|
96
|
34 |
|
(false === array_search('resource-records', $keys, true)); |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
/** |
|
100
|
|
|
* @param array $zones |
|
101
|
|
|
* |
|
102
|
|
|
* @return array |
|
103
|
|
|
*/ |
|
104
|
34 |
|
protected function processLegacyZone(array $zones): array |
|
105
|
|
|
{ |
|
106
|
34 |
|
$resourceRecords = []; |
|
107
|
34 |
|
foreach ($zones as $domain => $types) { |
|
108
|
34 |
|
$domain = rtrim($domain, '.').'.'; |
|
109
|
34 |
|
foreach ($types as $type => $data) { |
|
110
|
34 |
|
$data = (array) $data; |
|
111
|
34 |
|
$type = RecordTypeEnum::getTypeFromName($type); |
|
112
|
34 |
|
foreach ($data as $rdata) { |
|
113
|
34 |
|
$resourceRecords[] = (new ResourceRecord()) |
|
114
|
34 |
|
->setName($domain) |
|
115
|
34 |
|
->setType($type) |
|
116
|
34 |
|
->setClass($this->defaultClass) |
|
117
|
34 |
|
->setTtl($this->defaultTtl) |
|
118
|
34 |
|
->setRdata($rdata); |
|
119
|
|
|
} |
|
120
|
|
|
} |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
34 |
|
return $resourceRecords; |
|
124
|
|
|
} |
|
125
|
|
|
} |
|
126
|
|
|
|
samuelwilliams /
PHP-DNS-SERVER
