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claudiosanches/whois.php

Last active March 27, 2023 06:29
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WordPress - Domain Whois
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whois.php
<?php
/**
* Plugin Name: Domain Whois
* Plugin URI: https://claudiosmweb.com
* Description: Domain Whois
* Author: claudiosanches
* Author URI: http://claudiosmweb.com
* Version: 0.0.1
* License: GPLv2 or later
*/
//######################################################################
// PHP Whois Lookup Class
// Script Url: http://toolspot.org/php-whois-script.php
// Author: Sunny Verma
// Email: er.sunny.verma@gmail.com
// Website: http://toolspot.org
// License: GPL 2.0, @see http://www.gnu.org/licenses/gpl-2.0.html
//#######################################################################
class Whois {
private $WHOIS_SERVERS = array(
'com' => array( 'whois.verisign-grs.com', 'whois.crsnic.net' ),
'com.br' => array( 'whois.registro.br' ),
'net' => array( 'whois.verisign-grs.com', 'whois.crsnic.net' ),
'org' => array( 'whois.pir.org', 'whois.publicinterestregistry.net' ),
'info' => array( 'whois.afilias.info', 'whois.afilias.net' ),
'biz' => array( 'whois.neulevel.biz' ),
'us' => array( 'whois.nic.us' ),
'uk' => array( 'whois.nic.uk' ),
'ca' => array( 'whois.cira.ca' ),
'tel' => array( 'whois.nic.tel' ),
'ie' => array( 'whois.iedr.ie', 'whois.domainregistry.ie' ),
'it' => array( 'whois.nic.it' ),
'li' => array( 'whois.nic.li' ),
'no' => array( 'whois.norid.no' ),
'cc' => array( 'whois.nic.cc' ),
'eu' => array( 'whois.eu' ),
'nu' => array( 'whois.nic.nu' ),
'au' => array( 'whois.aunic.net', 'whois.ausregistry.net.au' ),
'de' => array( 'whois.denic.de' ),
'ws' => array( 'whois.worldsite.ws', 'whois.nic.ws', 'www.nic.ws' ),
'sc' => array( 'whois2.afilias-grs.net' ),
'mobi' => array( 'whois.dotmobiregistry.net' ),
'pro' => array( 'whois.registrypro.pro', 'whois.registry.pro' ),
'edu' => array( 'whois.educause.net', 'whois.crsnic.net' ),
'tv' => array( 'whois.nic.tv', 'tvwhois.verisign-grs.com' ),
'travel' => array( 'whois.nic.travel' ),
'name' => array( 'whois.nic.name' ),
'in' => array( 'whois.inregistry.net', 'whois.registry.in' ),
'me' => array( 'whois.nic.me', 'whois.meregistry.net' ),
'at' => array( 'whois.nic.at' ),
'be' => array( 'whois.dns.be' ),
'cn' => array( 'whois.cnnic.cn', 'whois.cnnic.net.cn' ),
'asia' => array( 'whois.nic.asia' ),
'ru' => array( 'whois.ripn.ru', 'whois.ripn.net' ),
'ro' => array( 'whois.rotld.ro' ),
'aero' => array( 'whois.aero' ),
'fr' => array( 'whois.nic.fr' ),
'se' => array( 'whois.iis.se', 'whois.nic-se.se', 'whois.nic.se' ),
'nl' => array( 'whois.sidn.nl', 'whois.domain-registry.nl' ),
'nz' => array( 'whois.srs.net.nz', 'whois.domainz.net.nz' ),
'mx' => array( 'whois.nic.mx' ),
'tw' => array( 'whois.apnic.net', 'whois.twnic.net.tw' ),
'ch' => array( 'whois.nic.ch' ),
'hk' => array( 'whois.hknic.net.hk' ),
'ac' => array( 'whois.nic.ac' ),
'ae' => array( 'whois.nic.ae' ),
'af' => array( 'whois.nic.af' ),
'ag' => array( 'whois.nic.ag' ),
'al' => array( 'whois.ripe.net' ),
'am' => array( 'whois.amnic.net' ),
'as' => array( 'whois.nic.as' ),
'az' => array( 'whois.ripe.net' ),
'ba' => array( 'whois.ripe.net' ),
'bg' => array( 'whois.register.bg' ),
'bi' => array( 'whois.nic.bi' ),
'bj' => array( 'www.nic.bj' ),
'br' => array( 'whois.nic.br' ),
'bt' => array( 'whois.netnames.net' ),
'by' => array( 'whois.ripe.net' ),
'bz' => array( 'whois.belizenic.bz' ),
'cd' => array( 'whois.nic.cd' ),
'ck' => array( 'whois.nic.ck' ),
'cl' => array( 'nic.cl' ),
'coop' => array( 'whois.nic.coop' ),
'cx' => array( 'whois.nic.cx' ),
'cy' => array( 'whois.ripe.net' ),
'cz' => array( 'whois.nic.cz' ),
'dk' => array( 'whois.dk-hostmaster.dk' ),
'dm' => array( 'whois.nic.cx' ),
'dz' => array( 'whois.ripe.net' ),
'ee' => array( 'whois.eenet.ee' ),
'eg' => array( 'whois.ripe.net' ),
'es' => array( 'whois.ripe.net' ),
'fi' => array( 'whois.ficora.fi' ),
'fo' => array( 'whois.ripe.net' ),
'gb' => array( 'whois.ripe.net' ),
'ge' => array( 'whois.ripe.net' ),
'gl' => array( 'whois.ripe.net' ),
'gm' => array( 'whois.ripe.net' ),
'gov' => array( 'whois.nic.gov' ),
'gr' => array( 'whois.ripe.net' ),
'gs' => array( 'whois.adamsnames.tc' ),
'hm' => array( 'whois.registry.hm' ),
'hn' => array( 'whois2.afilias-grs.net' ),
'hr' => array( 'whois.ripe.net' ),
'hu' => array( 'whois.ripe.net' ),
'il' => array( 'whois.isoc.org.il' ),
'int' => array( 'whois.isi.edu' ),
'iq' => array( 'vrx.net' ),
'ir' => array( 'whois.nic.ir' ),
'is' => array( 'whois.isnic.is' ),
'je' => array( 'whois.je' ),
'jp' => array( 'whois.jprs.jp' ),
'kg' => array( 'whois.domain.kg' ),
'kr' => array( 'whois.nic.or.kr' ),
'la' => array( 'whois2.afilias-grs.net' ),
'lt' => array( 'whois.domreg.lt' ),
'lu' => array( 'whois.restena.lu' ),
'lv' => array( 'whois.nic.lv' ),
'ly' => array( 'whois.lydomains.com' ),
'ma' => array( 'whois.iam.net.ma' ),
'mc' => array( 'whois.ripe.net' ),
'md' => array( 'whois.nic.md' ),
'mil' => array( 'whois.nic.mil' ),
'mk' => array( 'whois.ripe.net' ),
'ms' => array( 'whois.nic.ms' ),
'mt' => array( 'whois.ripe.net' ),
'mu' => array( 'whois.nic.mu' ),
'my' => array( 'whois.mynic.net.my' ),
'nf' => array( 'whois.nic.cx' ),
'pl' => array( 'whois.dns.pl' ),
'pr' => array( 'whois.nic.pr' ),
'pt' => array( 'whois.dns.pt' ),
'sa' => array( 'saudinic.net.sa' ),
'sb' => array( 'whois.nic.net.sb' ),
'sg' => array( 'whois.nic.net.sg' ),
'sh' => array( 'whois.nic.sh' ),
'si' => array( 'whois.arnes.si' ),
'sk' => array( 'whois.sk-nic.sk' ),
'sm' => array( 'whois.ripe.net' ),
'st' => array( 'whois.nic.st' ),
'su' => array( 'whois.ripn.net' ),
'tc' => array( 'whois.adamsnames.tc' ),
'tf' => array( 'whois.nic.tf' ),
'th' => array( 'whois.thnic.net' ),
'tj' => array( 'whois.nic.tj' ),
'tk' => array( 'whois.nic.tk' ),
'tl' => array( 'whois.domains.tl' ),
'tm' => array( 'whois.nic.tm' ),
'tn' => array( 'whois.ripe.net' ),
'to' => array( 'whois.tonic.to' ),
'tp' => array( 'whois.domains.tl' ),
'tr' => array( 'whois.nic.tr' ),
'ua' => array( 'whois.ripe.net' ),
'uy' => array( 'nic.uy' ),
'uz' => array( 'whois.cctld.uz' ),
'va' => array( 'whois.ripe.net' ),
'vc' => array( 'whois2.afilias-grs.net' ),
've' => array( 'whois.nic.ve' ),
'vg' => array( 'whois.adamsnames.tc' ),
'yu' => array( 'whois.ripe.net' )
);
public function whoislookup( $domain ) {
$domain = trim( $domain ); //remove space from start and end of domain
if ( substr( strtolower( $domain ), 0, 7 ) == 'http://' ) $domain = substr( $domain, 7 ); // remove http:// if included
if ( substr( strtolower( $domain ), 0, 4 ) == 'www.' ) $domain = substr( $domain, 4 );//remove www from domain
if ( preg_match( "/^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/", $domain ) ) {
return $this->queryWhois( 'whois.lacnic.net', $domain );
} elseif ( preg_match( "/^([-a-z0-9]{2,100})\.([a-z\.]{2,8})$/i", $domain ) ) {
$domain_parts = explode( ".", $domain );
$tld = strtolower( array_pop( $domain_parts ) );
$server = $this->WHOIS_SERVERS[$tld][0];
if ( ! $server ) {
return 'Error: No appropriate Whois server found for ' . $domain . 'domain!';
}
$res = $this->queryWhois( $server, $domain );
while ( preg_match( "/Whois Server: (.*)/", $res, $matches ) ) {
$res = $this->queryWhois( $matches[1], $domain );
}
return $res;
} else {
return 'Invalid Input';
}
}
private function queryWhois( $server, $domain ) {
$fp = @fsockopen( $server, 43, $errno, $errstr, 20 ) or die( 'Socket Error ' . $errno . ' - ' . $errstr );
fputs( $fp, $domain . "\r\n" );
$out = '';
while ( ! feof( $fp ) ) {
$out .= fgets( $fp );
}
fclose( $fp );
return $out;
}
}
// form.
function cs_whois_form() {
$html = '<form action="" method="post">';
$html .= '<label for="domain">' . __( 'Dom&iacute;nio' ) . '</label>';
$html .= '<input type="text" name="domain" id="domain" />';
$html .= '<select name="extension" id="extension">';
$html .= '<option value="com.br">' . __( '.com.br' ) . '</option>';
$html .= '<option value="com">' . __( '.com' ) . '</option>';
$html .= '<option value="net">' . __( '.net' ) . '</option>';
$html .= '</select>';
$html .= '<button type="submit">' . __( 'Pesquisar' ) . '</button>';
$html .= '</form>';
if ( isset( $_POST['domain'] ) && ! empty( $_POST['domain'] ) && isset( $_POST['extension'] ) ) {
$whois = new Whois;
$domain = sanitize_text_field( $_POST['domain'] . '.' . $_POST['extension'] );
$response = $whois->whoislookup( $domain );
if ( strpos( $response, 'No match for' ) > 0 ) {
$html .= '<p><strong>' . $domain . '</strong> est&aacute; dispon&iacute;vel</p>';
} else {
$html .= '<p><strong>' . $domain . '</strong> est&aacute; indispon&iacute;vel</p>';
}
}
echo $html;
}
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