|
1
|
|
|
<?php |
|
2
|
|
|
namespace RemotelyLiving\PHPDNS\Resolvers; |
|
3
|
|
|
|
|
4
|
|
|
use RemotelyLiving\PHPDNS\Entities\DNSRecord; |
|
5
|
|
|
use RemotelyLiving\PHPDNS\Entities\DNSRecordCollection; |
|
6
|
|
|
use RemotelyLiving\PHPDNS\Entities\DNSRecordType; |
|
7
|
|
|
use RemotelyLiving\PHPDNS\Entities\Hostname; |
|
8
|
|
|
use RemotelyLiving\PHPDNS\Exceptions\InvalidArgumentException; |
|
9
|
|
|
use RemotelyLiving\PHPDNS\Mappers\MapperInterface; |
|
10
|
|
|
use RemotelyLiving\PHPDNS\Observability\Events\DNSQueried; |
|
11
|
|
|
use RemotelyLiving\PHPDNS\Observability\Events\DNSQueryFailed; |
|
12
|
|
|
use RemotelyLiving\PHPDNS\Observability\Events\DNSQueryProfiled; |
|
13
|
|
|
use RemotelyLiving\PHPDNS\Observability\Traits\Dispatcher; |
|
14
|
|
|
use RemotelyLiving\PHPDNS\Observability\Traits\Logger; |
|
15
|
|
|
use RemotelyLiving\PHPDNS\Observability\Traits\Profileable; |
|
16
|
|
|
use RemotelyLiving\PHPDNS\Resolvers\Exceptions\QueryFailure; |
|
17
|
|
|
use RemotelyLiving\PHPDNS\Resolvers\Interfaces\ObservableResolver; |
|
18
|
|
|
|
|
19
|
|
|
abstract class ResolverAbstract implements ObservableResolver |
|
20
|
|
|
{ |
|
21
|
|
|
use Logger, |
|
22
|
|
|
Dispatcher, |
|
23
|
|
|
Profileable; |
|
24
|
|
|
|
|
25
|
|
|
private $name = null; |
|
26
|
|
|
|
|
27
|
|
|
public function getName(): string |
|
28
|
|
|
{ |
|
29
|
|
|
if ($this->name === null) { |
|
30
|
|
|
$explodedClass = explode('\\', get_class($this)); |
|
31
|
|
|
$this->name = (string) array_pop($explodedClass); |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
return $this->name; |
|
35
|
|
|
} |
|
36
|
|
|
|
|
37
|
|
|
public function getARecords(string $hostname): DNSRecordCollection |
|
38
|
|
|
{ |
|
39
|
|
|
return $this->getRecords($hostname, DNSRecordType::createA()); |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
public function getAAAARecords(string $hostname): DNSRecordCollection |
|
43
|
|
|
{ |
|
44
|
|
|
return $this->getRecords($hostname, DNSRecordType::createAAAA()); |
|
45
|
|
|
} |
|
46
|
|
|
|
|
47
|
|
|
public function getCNAMERecords(string $hostname): DNSRecordCollection |
|
48
|
|
|
{ |
|
49
|
|
|
return $this->getRecords($hostname, DNSRecordType::createCNAME()); |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
public function getTXTRecords(string $hostname): DNSRecordCollection |
|
53
|
|
|
{ |
|
54
|
|
|
return $this->getRecords($hostname, DNSRecordType::createTXT()); |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
public function getMXRecords(string $hostname): DNSRecordCollection |
|
58
|
|
|
{ |
|
59
|
|
|
return $this->getRecords($hostname, DNSRecordType::createMX()); |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
public function recordTypeExists(string $hostname, string $recordType): bool |
|
63
|
|
|
{ |
|
64
|
|
|
return !$this->getRecords($hostname, $recordType)->isEmpty(); |
|
65
|
|
|
} |
|
66
|
|
|
|
|
67
|
|
|
public function hasRecord(DNSRecord $record): bool |
|
68
|
|
|
{ |
|
69
|
|
|
return $this->getRecords($record->getHostname(), $record->getType()) |
|
70
|
|
|
->has($record); |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
public function getRecords(string $hostname, string $recordType = null): DNSRecordCollection |
|
74
|
|
|
{ |
|
75
|
|
|
$recordType = DNSRecordType::createFromString($recordType ?? 'ANY'); |
|
76
|
|
|
$hostname = Hostname::createFromString($hostname); |
|
77
|
|
|
|
|
78
|
|
|
$profile = $this->createProfile("{$this->getName()}:{$hostname}:{$recordType}"); |
|
79
|
|
|
$profile->startTransaction(); |
|
80
|
|
|
|
|
81
|
|
|
try { |
|
82
|
|
|
$result = ($recordType->equals(DNSRecordType::createANY())) |
|
83
|
|
|
? $this->doQuery($hostname, $recordType) |
|
84
|
|
|
: $this->doQuery($hostname, $recordType)->filteredByType($recordType); |
|
85
|
|
|
} catch (QueryFailure $e) { |
|
86
|
|
|
$dnsQueryFailureEvent = new DNSQueryFailed($this, $hostname, $recordType, $e); |
|
87
|
|
|
$this->dispatch($dnsQueryFailureEvent); |
|
88
|
|
|
$this->getLogger()->error( |
|
89
|
|
|
'DNS query failed', |
|
90
|
|
|
['event' => json_encode($dnsQueryFailureEvent), 'exception' => $e] |
|
91
|
|
|
); |
|
92
|
|
|
|
|
93
|
|
|
throw $e; |
|
94
|
|
|
} finally { |
|
95
|
|
|
$profile->endTransaction(); |
|
96
|
|
|
$profile->samplePeakMemoryUsage(); |
|
97
|
|
|
$dnsQueryProfiledEvent = new DNSQueryProfiled($profile); |
|
98
|
|
|
$this->dispatch($dnsQueryProfiledEvent); |
|
99
|
|
|
$this->getLogger()->info('DNS query profiled', ['event' => json_encode($dnsQueryProfiledEvent)]); |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
$dnsQueriedEvent = new DNSQueried($this, $hostname, $recordType, $result); |
|
103
|
|
|
$this->dispatch($dnsQueriedEvent); |
|
104
|
|
|
$this->getLogger()->info('DNS queried', ['event' => json_encode($dnsQueriedEvent)]); |
|
105
|
|
|
return $result; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
public function mapResults(MapperInterface $mapper, array $results) : DNSRecordCollection |
|
109
|
|
|
{ |
|
110
|
|
|
$collection = new DNSRecordCollection(); |
|
111
|
|
|
array_map(function (array $fields) use (&$collection, $mapper) { |
|
112
|
|
|
try { |
|
113
|
|
|
$collection[] = $mapper->mapFields($fields)->toDNSRecord(); |
|
114
|
|
|
} catch (InvalidArgumentException $e) { |
|
115
|
|
|
$this->getLogger()->error('Invalid fields passed to mapper', $fields); |
|
116
|
|
|
} |
|
117
|
|
|
}, $results); |
|
118
|
|
|
|
|
119
|
|
|
return $collection; |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
abstract protected function doQuery(Hostname $hostname, DNSRecordType $recordType): DNSRecordCollection; |
|
123
|
|
|
} |
|
124
|
|
|
|
remotelyliving /
php-dns
