nextend.php
6.11 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
<?php
class N2 {
public static $version = '2.0.21';
public static $api = 'https://secure.nextendweb.com/api/api.php';
public static function api($posts, $returnUrl = false) {
if ($returnUrl) {
$posts_default = array(
'platform' => N2Platform::getPlatform()
);
return self::$api . '?' . http_build_query($posts + $posts_default);
}
if (class_exists('JHttp')) {
$posts_default = array(
'platform' => N2Platform::getPlatform()
);
$client = new JHttp();
try {
$response = $client->post(self::$api, http_build_query($posts + $posts_default, '', '&'), array('Content-Type' => 'application/x-www-form-urlencoded; charset=utf-8'), 5);
} catch (Exception $e) {
}
if (isset($response) && $response && $response->code != '200') {
if (isset($response->headers['Content-Type'])) {
$contentType = $response->headers['Content-Type'];
}
$data = $response->body;
} else {
/*N2Message::error(n2_('Unable to contact with the licensing server. Possible reasons might be the CURL not enabled in php.ini, call to remote url(secure.nextenedweb.com) is disabled on your server. Contact your server host, and ask them to check these two things!'));
return array(
'status' => 'ERROR_HANDLED'
);*/
}
}
if (!isset($data)) {
if (function_exists('curl_init') && function_exists('curl_exec') && N2Settings::get('curl', 1)) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, self::$api);
$posts_default = array(
'platform' => N2Platform::getPlatform()
);
curl_setopt($ch, CURLOPT_POSTFIELDS, $posts + $posts_default);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
if (N2Settings::get('curl-clean-proxy', 0)) {
curl_setopt($ch, CURLOPT_PROXY, '');
}
$data = curl_exec($ch);
$errorNumber = curl_errno($ch);
if ($errorNumber == 60 || $errorNumber == 77) {
curl_setopt($ch, CURLOPT_CAINFO, N2LIBRARY . '/cacert.pem');
$data = curl_exec($ch);
}
$contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
$error = curl_error($ch);
$curlErrorNumber = curl_errno($ch);
curl_close($ch);
if ($curlErrorNumber) {
N2Message::error($curlErrorNumber . $error);
return array(
'status' => 'ERROR_HANDLED'
);
}
} else {
$posts_default = array(
'platform' => N2Platform::getPlatform()
);
$opts = array(
'http' => array(
'method' => 'POST',
'header' => 'Content-type: application/x-www-form-urlencoded',
'content' => http_build_query($posts + $posts_default)
)
);
$context = stream_context_create($opts);
$data = file_get_contents(self::$api, false, $context);
if ($data === false) {
N2Message::error(n2_('CURL disabled in your php.ini configuration. Please enable it!'));
return array(
'status' => 'ERROR_HANDLED'
);
}
$headers = self::parseHeaders($http_response_header);
if ($headers['status'] != '200') {
N2Message::error(n2_('Unable to contact with the licensing server, please try again later!'));
return array(
'status' => 'ERROR_HANDLED'
);
}
if (isset($headers['content-type'])) {
$contentType = $headers['content-type'];
}
}
}
switch ($contentType) {
case 'text/html; charset=UTF-8':
//CloudFlare challenge
preg_match('/"your_ip">.*?:[ ]*(.*?)<\/span>/', $data, $matches);
if (count($matches)) {
$blockedIP = $matches[1];
N2Message::error(sprintf('Your ip address (%s) is blocked by our hosting provider.<br>Please contact us (support@nextendweb.com) with your ip to whitelist it.', $blockedIP));
return array(
'status' => 'ERROR_HANDLED'
);
}
N2Message::error(sprintf('Unexpected response from the API.<br>Please contact us (support@nextendweb.com) with the following log:') . '<br><textarea style="width: 100%;height:200px;font-size:8px;">' . base64_encode($data) . '</textarea>');
return array(
'status' => 'ERROR_HANDLED'
);
break;
case 'application/json':
return json_decode($data, true);
}
return $data;
}
private static function parseHeaders(array $headers, $header = null) {
$output = array();
if ('HTTP' === substr($headers[0], 0, 4)) {
list(, $output['status'], $output['status_text']) = explode(' ', $headers[0]);
unset($headers[0]);
}
foreach ($headers as $v) {
$h = preg_split('/:\s*/', $v);
if (count($h) >= 2) {
$output[strtolower($h[0])] = $h[1];
}
}
if (null !== $header) {
if (isset($output[strtolower($header)])) {
return $output[strtolower($header)];
}
return;
}
return $output;
}
}