1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Jalle19\CertificateParser\Provider; |
4
|
|
|
|
5
|
|
|
use Jalle19\CertificateParser\Exception\DomainMismatchException; |
6
|
|
|
use Jalle19\CertificateParser\Exception\NameResolutionException; |
7
|
|
|
use Jalle19\CertificateParser\Exception\CertificateNotFoundException; |
8
|
|
|
use Jalle19\CertificateParser\Exception\UnknownErrorException; |
9
|
|
|
|
10
|
|
|
/** |
11
|
|
|
* Class StreamSocketProvider |
12
|
|
|
* @package Jalle19\CertificateParser\Provider |
13
|
|
|
*/ |
14
|
|
|
class StreamSocketProvider implements ProviderInterface |
15
|
|
|
{ |
16
|
|
|
|
17
|
|
|
const DEFAULT_TIMEOUT_SECONDS = 15; |
18
|
|
|
const DEFAULT_PORT = 443; |
19
|
|
|
|
20
|
|
|
/** |
21
|
|
|
* @var int |
22
|
|
|
*/ |
23
|
|
|
private $timeout; |
24
|
|
|
|
25
|
|
|
/** |
26
|
|
|
* @var string |
27
|
|
|
*/ |
28
|
|
|
private $hostname; |
29
|
|
|
|
30
|
|
|
/** |
31
|
|
|
* @var int |
32
|
|
|
*/ |
33
|
|
|
private $port; |
34
|
|
|
|
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* StreamSocketProvider constructor. |
38
|
|
|
* |
39
|
|
|
* @param string $hostname |
40
|
|
|
* @param int $port (optional) |
41
|
|
|
* @param int $timeout (optional) |
42
|
|
|
*/ |
43
|
|
|
public function __construct($hostname, $port = self::DEFAULT_PORT, $timeout = self::DEFAULT_TIMEOUT_SECONDS) |
44
|
|
|
{ |
45
|
|
|
$this->hostname = $hostname; |
46
|
|
|
$this->port = $port; |
47
|
|
|
$this->timeout = $timeout; |
48
|
|
|
} |
49
|
|
|
|
50
|
|
|
|
51
|
|
|
/** |
52
|
|
|
* @inheritdoc |
53
|
|
|
*/ |
54
|
|
|
public function getRawCertificate() |
55
|
|
|
{ |
56
|
|
|
$streamContext = stream_context_create([ |
57
|
|
|
'ssl' => [ |
58
|
|
|
'capture_peer_cert' => true, |
59
|
|
|
'verify_peer' => false, |
60
|
|
|
], |
61
|
|
|
]); |
62
|
|
|
|
63
|
|
|
try { |
64
|
|
|
$client = stream_socket_client( |
65
|
|
|
$this->getRequestUrl(), |
66
|
|
|
$errorNumber, |
67
|
|
|
$errorDescription, |
68
|
|
|
$this->timeout, |
69
|
|
|
STREAM_CLIENT_CONNECT, |
70
|
|
|
$streamContext |
71
|
|
|
); |
72
|
|
|
|
73
|
|
|
$response = stream_context_get_params($client); |
74
|
|
|
|
75
|
|
|
return $response['options']['ssl']['peer_certificate']; |
76
|
|
|
} catch (\Throwable $e) { |
77
|
|
|
$errorMessage = $e->getMessage(); |
78
|
|
|
|
79
|
|
|
// Check for name resolution errors |
80
|
|
|
if (strpos($errorMessage, 'getaddrinfo failed') !== false) { |
81
|
|
|
throw new NameResolutionException(); |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
// Check for unknown SSL protocol (usually means no SSL is configured on the endpoint) |
85
|
|
|
if (strpos($errorMessage, 'GET_SERVER_HELLO:unknown protocol') !== false) { |
86
|
|
|
throw new CertificateNotFoundException(); |
87
|
|
|
} |
88
|
|
|
|
89
|
|
|
// Check for domain mismatches |
90
|
|
|
if (strpos($errorMessage, 'did not match expected') !== false) { |
91
|
|
|
throw new DomainMismatchException(); |
92
|
|
|
} |
93
|
|
|
|
94
|
|
|
throw new UnknownErrorException($errorMessage); |
95
|
|
|
} |
96
|
|
|
} |
97
|
|
|
|
98
|
|
|
|
99
|
|
|
/** |
100
|
|
|
* @return string |
101
|
|
|
*/ |
102
|
|
|
private function getRequestUrl() |
103
|
|
|
{ |
104
|
|
|
return 'ssl://' . $this->hostname . ':' . $this->port; |
105
|
|
|
} |
106
|
|
|
|
107
|
|
|
} |
108
|
|
|
|