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<?php
/*
Copyright (C) 2015-21 CERBER TECH INC., https://cerber.tech
Copyright (C) 2015-21 Markov Cregory, https://wpcerber.com
Licenced under the GNU GPL.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
*========================================================================*
| |
| ATTENTION! Do not change or edit this file! |
| |
*========================================================================*
*/
// If this file is called directly, abort executing.
if ( ! defined( 'WPINC' ) ) { exit; }
define('WHOIS_ERR_EXPIRE',300);
define('WHOIS_OK_EXPIRE',24 * 3600);
define('WHOIS_IO_TIMEOUT', 3);
require_once( dirname( __FILE__ ) . '/cerber-ripe.php' );
/*
* Get WHOIS about IP
* @since 2.7
*
*/
function cerber_ip_whois_info( $ip ) {
$ret = array();
$whois_server = cerber_get_whois_server( $ip );
if ( is_array( $whois_server ) ) {
return $whois_server;
}
if ( $whois_server == 'whois.ripe.net' ) {
return ripe_readable_info( $ip );
}
$whois_info = cerber_get_whois( $ip );
if ( is_array( $whois_info ) ) {
return $whois_info;
}
$data = cerber_parse_whois_data( $whois_info );
// Special case - network was transferred to RIPE
if ( isset( $data['ReferralServer'] ) && $data['ReferralServer'] == 'whois://whois.ripe.net' ) {
return ripe_readable_info( $ip );
}
$table1 = '';
if ( ! empty( $data ) ) {
$table1 = '<table class="whois-object"><tr><td colspan="2"><b>FILTERED WHOIS INFO</b></td></tr>';
foreach ( $data as $key => $value ) {
if ( is_email( $value ) ) {
$value = '<a href="mailto:' . $value . '">' . $value . '</a>';
}
elseif ( strtolower( $key ) == 'country' ) {
$value = cerber_get_flag_html( $value ) . '<b>' . cerber_country_name( $value ) . ' (' . $value . ')</b>';
$ret['country'] = $value;
}
$table1 .= '<tr><td>' . $key . '</td><td>' . $value . '</td></tr>';
}
$table1 .= '</table>';
}
$table2 = '<table class="whois-object crb-raw-data"><tr><td><b>RAW WHOIS INFO</b></td></tr>';
$table2 .= '<tr><td><pre>' . $whois_info . "\n WHOIS server: " . $whois_server . '</pre></td></tr>';
$table2 .= '</table>';
$info = $table1 . $table2;
// Other possible field with abuse email address
if ( empty( $data['abuse-mailbox'] ) && ! empty( $data['OrgAbuseEmail'] ) ) {
$data['abuse-mailbox'] = $data['OrgAbuseEmail'];
}
if ( empty( $data['abuse-mailbox'] ) ) {
foreach ( $data as $field ) {
$maybe_email = trim( $field );
if ( false !== strpos( $maybe_email, 'abuse' ) && is_email( $maybe_email ) ) {
$data['abuse-mailbox'] = $maybe_email;
break;
}
}
}
// Network
if ( ! empty( $data['inetnum'] ) ) {
$data['network'] = $data['inetnum'];
}
elseif ( ! empty( $data['NetRange'] ) ) {
$data['network'] = $data['NetRange'];
}
$ret['data'] = $data;
$ret['whois'] = $info;
return $ret;
}
/*
* Get WHOIS info fro given IP
* @since 2.7
*
*/
function cerber_get_whois($ip){
$key = 'WHS-'.cerber_get_id_ip($ip);
$info = get_transient($key);
if (false === $info) {
$whois_server = cerber_get_whois_server($ip);
if (is_array($whois_server)) return $whois_server;
$info = make_whois_request($whois_server, $ip);
if (is_array($info)) return $info;
set_transient( $key, $info , WHOIS_OK_EXPIRE );
}
return $info;
}
/*
* Find out what is server storing WHOIS info for given IP
* @since 2.7
*
*/
function cerber_get_whois_server( $ip ) {
$key = 'SRV-' . cerber_get_id_ip( $ip );
$server = get_transient( $key );
if ( false === $server ) {
$w = make_whois_request( 'whois.iana.org', $ip );
if ( is_array( $w ) ) {
return $w;
}
preg_match( '/^whois\:\s+([\w\.\-]{3,})/m', $w, $data );
if ( ! isset( $data[1] ) ) {
return array( 'error' => 'No WHOIS server was found for IP ' . $ip );
}
$server = $data[1];
set_transient( $key, $server, WHOIS_OK_EXPIRE );
}
return $server;
}
/*
* Attempt to parse TXT WHOIS response to associative array
* @since 2.7
*
*/
function cerber_parse_whois_data($txt){
$lines = explode("\n",$txt);
$lines = array_filter($lines);
$ret = array();
foreach ( $lines as $line ) {
if (preg_match( '/^([\w\-]+)\:\s+(.+)/', trim($line), $data )) $ret[$data[1]] = $data[2];
}
return $ret;
}
/*
*
* Retrieve RAW IP information by using WHOIS protocol
* @since 2.7
*
*/
function make_whois_request($server, $ip) {
if ( ! $f = @fsockopen( $server, 43, $errno, $errstr, WHOIS_IO_TIMEOUT ) ) {
return array( 'error' => 'Network error: ' . $errstr . ' (WHOIS server: ' . $server . ').' );
}
#Set the timeout for answering
if (!stream_set_timeout($f,WHOIS_IO_TIMEOUT)) return array('error'=>'WHOIS: Unable to set IO timeout.');
#Send the IP address to the whois server
if (false === fwrite($f, "$ip\r\n" )) return array('error'=>'WHOIS: Unable to send request to remote WHOIS server ('.$server.').');
//Set the timeout limit for reading again
if (!stream_set_timeout($f,WHOIS_IO_TIMEOUT)) return array('error'=>'WHOIS: Unable to set IO timeout.');
//Set socket in non-blocking mode
if (!stream_set_blocking( $f, 0 )) return array('error'=>'WHOIS: Unable to set IO non-blocking mode.');
//If connection still valid
if ($f) {
$data = '';
while (!feof($f)) {
$data .= fread($f,256);
}
}
else return array('error'=>'Unable to get WHOIS response.');
if (!$data) return array('error'=>'Remote WHOIS server return empty response ('.$server.').');
return $data;
}
/**
* HTML for displaying a national flag
*
* @param $code string Country code
*
* @return string HTML code
*
*/
function cerber_get_flag_html( $code, $txt = '' ) {
global $crb_assets_url;
if ( ! $code ) {
return '';
}
return '<span class="crb-country" style="background: url(\'' . $crb_assets_url . 'flags/' . strtolower( $code ) . '.gif\') no-repeat left;">' . $txt . '</span>';
}
/*
*
* Country name from two letter code
* ISO 3166-1 alpha-2
* @since 2.7
*
*/
function cerber_country_name( $code ) {
global $wpdb, $cerber_country_names;
static $cache, $locale;
if ( ! $code ) {
return __( 'Unknown', 'wp-cerber' );
}
if ( isset( $cache[ $code ] ) ) {
return $cache[ $code ];
}
$code = strtoupper( $code );
$ret = '';
if (!isset($locale)) {
$locale = crb_get_bloginfo( 'language' );
if ( $locale != 'pt-BR' && $locale != 'zh-CN' ) {
$locale = substr( $locale, 0, 2 );
if ( ! in_array( $locale, array( 'de', 'en', 'es', 'fr', 'ja', 'ru' ) ) ) {
$locale = 'en';
}
}
}
$ret = cerber_db_get_var( 'SELECT country_name FROM ' . CERBER_GEO_TABLE . ' WHERE country = "'.$code.'" AND locale = "'.$locale.'"' );
if ($ret) {
$cache[ $code ] = $ret;
return $ret;
}
if ( isset( $cerber_country_names[ $code ] ) ) {
$ret = $cerber_country_names[ $code ];
}
else {
$ret = __( 'Unknown', 'wp-cerber' );
}
$cache[ $code ] = $ret;
return $ret;
}
function cerber_get_country_list() {
global $cerber_country_names;
$ret = array();
foreach ( $cerber_country_names as $code => $name ) {
$ret[ $code ] = cerber_country_name( $code );
}
return $ret;
}
$cerber_country_names = array(
'AF' => 'Afghanistan',
'AL' => 'Albania',
'AX' => 'Aland Islands',
'DZ' => 'Algeria',
'AS' => 'American Samoa',
'AD' => 'Andorra',
'AO' => 'Angola',
'AI' => 'Anguilla',
'AQ' => 'Antarctica',
'AG' => 'Antigua and Barbuda',
'AR' => 'Argentina',
'AM' => 'Armenia',
'AW' => 'Aruba',
'AU' => 'Australia',
'AT' => 'Austria',
'AZ' => 'Azerbaijan',
'BS' => 'Bahamas',
'BH' => 'Bahrain',
'BD' => 'Bangladesh',
'BB' => 'Barbados',
'BY' => 'Belarus',
'BE' => 'Belgium',
'BZ' => 'Belize',
'BJ' => 'Benin',
'BM' => 'Bermuda',
'BT' => 'Bhutan',
'BO' => 'Bolivia',
'BQ' => 'Caribbean Netherlands',
'BA' => 'Bosnia and Herzegovina',
'BW' => 'Botswana',
'BV' => 'Bouvet Island',
'BR' => 'Brazil',
'IO' => 'British Indian Ocean Territory',
'BN' => 'Brunei Darussalam',
'BG' => 'Bulgaria',
'BF' => 'Burkina Faso',
'BI' => 'Burundi',
'KH' => 'Cambodia',
'CM' => 'Cameroon',
'CA' => 'Canada',
'CV' => 'Cape Verde',
'KY' => 'Cayman Islands',
'CF' => 'Central African Republic',
'TD' => 'Chad',
'CL' => 'Chile',
'CN' => 'China',
'CX' => 'Christmas Island',
'CC' => 'Cocos (Keeling) Islands',
'CO' => 'Colombia',
'KM' => 'Comoros',
'CG' => 'Congo',
'CD' => 'Democratic Republic of the Congo',
'CK' => 'Cook Islands',
'CR' => 'Costa Rica',
'CI' => 'Cote Divoire',
'HR' => 'Croatia',
'CU' => 'Cuba',
'CW' => 'Curacao',
'CY' => 'Cyprus',
'CZ' => 'Czech Republic',
'DK' => 'Denmark',
'DJ' => 'Djibouti',
'DM' => 'Dominica',
'DO' => 'Dominican Republic',
'EC' => 'Ecuador',
'EG' => 'Egypt',
'SV' => 'El Salvador',
'GQ' => 'Equatorial Guinea',
'ER' => 'Eritrea',
'EE' => 'Estonia',
'ET' => 'Ethiopia',
'EU' => 'European Union',
'EZ' => 'Eurozone',
'FK' => 'Falkland Islands',
'FO' => 'Faroe Islands',
'FJ' => 'Fiji',
'FI' => 'Finland',
'FR' => 'France',
'GF' => 'French Guiana',
'PF' => 'French Polynesia',
'TF' => 'French Southern Territories',
'GA' => 'Gabon',
'GM' => 'Gambia',
'GE' => 'Georgia',
'DE' => 'Germany',
'GH' => 'Ghana',
'GI' => 'Gibraltar',
'GR' => 'Greece',
'GL' => 'Greenland',
'GD' => 'Grenada',
'GP' => 'Guadeloupe',
'GU' => 'Guam',
'GT' => 'Guatemala',
'GG' => 'Guernsey',
'GN' => 'Guinea',
'GW' => 'Guinea-Bissau',
'GY' => 'Guyana',
'HT' => 'Haiti',
'HM' => 'Heard Island And McDonald Islands',
'VA' => 'Holy See',
'HN' => 'Honduras',
'HK' => 'Hong Kong',
'HU' => 'Hungary',
'IS' => 'Iceland',
'IN' => 'India',
'ID' => 'Indonesia',
'IR' => 'Iran',
'IQ' => 'Iraq',
'IE' => 'Ireland',
'IM' => 'Isle of Man',
'IL' => 'Israel',
'IT' => 'Italy',
'JM' => 'Jamaica',
'JP' => 'Japan',
'JE' => 'Jersey',
'JO' => 'Jordan',
'KZ' => 'Kazakhstan',
'KE' => 'Kenya',
'KI' => 'Kiribati',
'KP' => 'North Korea',
'KR' => 'South Korea',
'KW' => 'Kuwait',
'KG' => 'Kyrgyzstan',
'LA' => 'Laos',
'LV' => 'Latvia',
'LB' => 'Lebanon',
'LS' => 'Lesotho',
'LR' => 'Liberia',
'LY' => 'Libya',
'LI' => 'Liechtenstein',
'LT' => 'Lithuania',
'LU' => 'Luxembourg',
'MO' => 'Macao',
'MK' => 'Macedonia',
'MG' => 'Madagascar',
'MW' => 'Malawi',
'MY' => 'Malaysia',
'MV' => 'Maldives',
'ML' => 'Mali',
'MT' => 'Malta',
'MH' => 'Marshall Islands',
'MQ' => 'Martinique',
'MR' => 'Mauritania',
'MU' => 'Mauritius',
'YT' => 'Mayotte',
'MX' => 'Mexico',
'FM' => 'Micronesia',
'MD' => 'Moldova',
'MC' => 'Monaco',
'MN' => 'Mongolia',
'ME' => 'Montenegro',
'MS' => 'Montserrat',
'MA' => 'Morocco',
'MZ' => 'Mozambique',
'MM' => 'Myanmar',
'NA' => 'Namibia',
'NR' => 'Nauru',
'NP' => 'Nepal',
'NL' => 'Netherlands',
'NC' => 'New Caledonia',
'NZ' => 'New Zealand',
'NI' => 'Nicaragua',
'NE' => 'Niger',
'NG' => 'Nigeria',
'NU' => 'Niue',
'NF' => 'Norfolk Island',
'MP' => 'Northern Mariana Islands',
'NO' => 'Norway',
'OM' => 'Oman',
'PK' => 'Pakistan',
'PW' => 'Palau',
'PS' => 'Palestine',
'PA' => 'Panama',
'PG' => 'Papua New Guinea',
'PY' => 'Paraguay',
'PE' => 'Peru',
'PH' => 'Philippines',
'PN' => 'Pitcairn',
'PL' => 'Poland',
'PT' => 'Portugal',
'PR' => 'Puerto Rico',
'QA' => 'Qatar',
'RE' => 'Reunion',
'RO' => 'Romania',
'RU' => 'Russian Federation',
'RW' => 'Rwanda',
'BL' => 'Saint Barthelemy',
'SH' => 'Saint Helena, Ascension and Tristan da Cunha',
'KN' => 'Saint Kitts and Nevis',
'LC' => 'Saint Lucia',
'MF' => 'Saint Martin (French part)',
'PM' => 'Saint Pierre and Miquelon',
'VC' => 'Saint Vincent and the Grenadines',
'WS' => 'Samoa',
'SM' => 'San Marino',
'ST' => 'Sao Tome and Principe',
'SA' => 'Saudi Arabia',
'SN' => 'Senegal',
'RS' => 'Serbia',
'SC' => 'Seychelles',
'SL' => 'Sierra Leone',
'SG' => 'Singapore',
'SX' => 'Sint Maarten (Dutch part)',
'SK' => 'Slovakia',
'SI' => 'Slovenia',
'SB' => 'Solomon Islands',
'SO' => 'Somalia',
'ZA' => 'South Africa',
'GS' => 'South Georgia and the South Sandwich Islands',
'SS' => 'South Sudan',
'ES' => 'Spain',
'LK' => 'Sri Lanka',
'SD' => 'Sudan',
'SR' => 'Suriname',
'SJ' => 'Svalbard and Jan Mayen',
'SZ' => 'Swaziland',
'SE' => 'Sweden',
'CH' => 'Switzerland',
'SY' => 'Syrian Arab Republic',
'TW' => 'Taiwan, Province of China',
'TJ' => 'Tajikistan',
'TZ' => 'Tanzania',
'TH' => 'Thailand',
'TL' => 'Timor-Leste',
'TG' => 'Togo',
'TK' => 'Tokelau',
'TO' => 'Tonga',
'TT' => 'Trinidad and Tobago',
'TN' => 'Tunisia',
'TR' => 'Turkey',
'TM' => 'Turkmenistan',
'TC' => 'Turks And Caicos Islands',
'TV' => 'Tuvalu',
'UG' => 'Uganda',
'UA' => 'Ukraine',
'AE' => 'United Arab Emirates',
'GB' => 'United Kingdom',
'US' => 'United States',
'UM' => 'United States Minor Outlying Islands',
'UY' => 'Uruguay',
'UZ' => 'Uzbekistan',
'VU' => 'Vanuatu',
'VE' => 'Venezuela',
'VN' => 'Viet Nam',
'VG' => 'British Virgin Islands',
'VI' => 'United States Virgin Islands',
'WF' => 'Wallis and Futuna',
'EH' => 'Western Sahara',
'YE' => 'Yemen',
'ZM' => 'Zambia',
'ZW' => 'Zimbabwe'
);