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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; }
/**
* RIPE REST API
*
* RIPE Database Acceptable Use Policy
* https://www.ripe.net/manage-ips-and-asns/db/support/documentation/ripe-database-acceptable-use-policy
* https://www.ripe.net/manage-ips-and-asns/db/faq/faq-db
*
*/
define('RIPE_ERR_EXPIRE',300);
define('RIPE_OK_EXPIRE',24 * 3600);
define('RIPE_HOST','http://rest.db.ripe.net/');
/**
* Search for the information about IP by using RIPE REST API, method 'search'
* @since 2.7
*
*/
function ripe_search( $ip = '' ) {
if ( ! cerber_is_ip_or_net( $ip ) ) {
return false;
}
$key = 'wp-cerber-ripe-' . cerber_get_id_ip( $ip );
$ripe = get_transient( $key );
//$ripe = false;
if ( ! $ripe ) {
$args = array();
$args['headers']['Accept'] = 'application/json';
$args['headers']['User-Agent'] = 'WP Cerber Security';
$ripe_response = wp_remote_get( RIPE_HOST . 'search?query-string=' . $ip, $args );
if ( is_wp_error( $ripe_response ) ) {
return 'WHOIS ERROR: ' . $ripe_response->get_error_message();
}
if ( absint( $ripe_response['response']['code'] ) != 200 ) {
$error = 'WHOIS ERROR: ' . $ripe_response['response']['message'] . ' / ' . $ripe_response['response']['code'];
set_transient( $key, json_encode( array( 'ripe_error' => $error ) ), RIPE_ERR_EXPIRE );
return $error;
}
$ret = array();
$ret['body'] = json_decode( $ripe_response['body'], true );
if ( JSON_ERROR_NONE != json_last_error() ) {
$error = 'WHOIS ERROR: ' . json_last_error_msg();
set_transient( $key, json_encode( array( 'ripe_error' => $error ) ), RIPE_ERR_EXPIRE );
return $error;
}
$ret['abuse_email'] = ripe_find_abuse_contact( $ret['body'], $ip );
set_transient( $key, json_encode( $ret ), RIPE_OK_EXPIRE );
}
else {
$ret = json_decode( $ripe, true );
if ( ! empty( $ret['ripe_error'] ) ) {
return $ret['ripe_error'];
}
}
return $ret;
}
/*
* Retrieve abuse email from response, rollback to direct request to the API
* @since 2.7
*
*/
function ripe_find_abuse_contact($ripe_body, $ip){
//http://rest.db.ripe.net/abuse-contact
$email = '';
foreach ( $ripe_body['objects']['object'] as $object ) {
foreach ( $object['attributes']['attribute'] as $att ) {
if ( $att['name'] == 'abuse-mailbox' && is_email( $att['value'] ) ) {
$email = $att['value'];
break;
}
}
}
if ( ! $email ) { // make an API request
$args = array();
$args['headers']['Accept'] = 'application/json';
$ripe_response = wp_remote_get( RIPE_HOST . 'abuse-contact/' . $ip, $args );
if ( is_wp_error( $ripe_response ) ) {
return $ripe_response->get_error_message();
}
$abuse = json_decode( $ripe_response['body'] );
$abuse = get_object_vars( $abuse );
if ( is_email( $abuse['abuse-contacts']->email ) ) {
$email = $abuse['abuse-contacts']->email;
}
}
return $email;
}
/*
* Get and parse RIPE response to human readable view
* @since 2.7
*
*/
function ripe_readable_info($ip){
$ripe = ripe_search($ip);
if ( ! is_array( $ripe ) ) { // Error
if ( ! $ripe ) {
return array( 'error' => 'RIPE error' );
}
return array( 'whois' => $ripe );
}
$ret = array();
$body = $ripe['body'];
if ( $body['service']['name'] != 'search' ) {
return $ret; // only for RIPE search requests & responses
}
$info = '';
foreach ( $body['objects']['object'] as $object ) {
$info .= '<table class="whois-object otype-' . $object['type'] . '"><tr><td colspan="2"><b>' . strtoupper( $object['type'] ) . '</b></td></tr>';
foreach ( $object['attributes']['attribute'] as $att ) {
$value = $att['value'];
$ret['data'][ $att['name'] ] = $att['value'];
if ( is_email( $value ) ) {
$value = '<a href="mailto:' . $value . '">' . $value . '</a>';
}
elseif ( strtolower( $att['name'] ) == 'country' ) {
$value = cerber_get_flag_html( $value ) . '<b>' . cerber_country_name( $value ) . ' (' . $value . ')</b>';
$ret['country'] = $value;
}
$info .= '<tr><td>' . $att['name'] . '</td><td>' . $value . '</td></tr>';
}
$info .= '</table>';
}
if ( ! empty( $ripe['abuse_email'] ) && is_email( $ripe['abuse_email'] ) ) {
$ret['data']['abuse-mailbox'] = $ripe['abuse_email'];
}
// Network
if ( ! empty( $ret['data']['inetnum'] ) ) {
$ret['data']['network'] = $ret['data']['inetnum'];
}
$ret['whois'] = $info;
return $ret;
}