用代码实现屏蔽WordPress指定国家和省份地区用户IP访问

<?php
/**
*
* test.php(屏蔽国家IP)
*
*/
$verification = '美国';//需要屏蔽国家的IP
function get_client_ip() {
$ip = $_SERVER['REMOTE_ADDR'];
if (isset($_SERVER['HTTP_X_REAL_FORWARDED_FOR']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_X_REAL_FORWARDED_FOR'])) {
$ip = $_SERVER['HTTP_X_REAL_FORWARDED_FOR'];
}
elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
}
elseif (isset($_SERVER['HTTP_CLIENT_IP']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
}
return $ip;
}
$ip = get_client_ip();//获取访客IP
$antecedents = $_SERVER['HTTP_REFERER'];//访客来路地址
$result = file_get_contents("http://ip.taobao.com/service/getIpInfo.php?ip=".$ip);//IP数据库来自淘宝。
$address = json_decode($result,true);
//判断访客是否属于美国，是否来自百度，是否来自谷歌
if($address['data']['country'] == $verification && strpos($antecedents, 'baidu') === false && strpos($antecedents, 'google') === false){
sleep(10);//设置一个10秒等待。
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
header('Retry-After: 3600000');
exit;
}
?>

<?php
/**
*
* test.php(屏蔽地方IP)
*
*/
$verification = '江西省';//需要屏蔽省份的IP
function get_client_ip() {
$ip = $_SERVER['REMOTE_ADDR'];
if (isset($_SERVER['HTTP_X_REAL_FORWARDED_FOR']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_X_REAL_FORWARDED_FOR'])) {
$ip = $_SERVER['HTTP_X_REAL_FORWARDED_FOR'];
}
elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
}
elseif (isset($_SERVER['HTTP_CLIENT_IP']) && preg_match('/^([0-9]{1,3}\.){3}[0-9]{1,3}$/', $_SERVER['HTTP_CLIENT_IP'])) {
$ip = $_SERVER['HTTP_CLIENT_IP'];
}
return $ip;
}
$ip = get_client_ip();//获取访客IP
$antecedents = $_SERVER['HTTP_REFERER'];//访客来路地址
$result = file_get_contents("http://ip.taobao.com/service/getIpInfo.php?ip=".$ip);//IP数据库来自淘宝。
$address = json_decode($result,true);
//判断访客是否属于江西省，是否来自百度，是否来自谷歌
if($address['data']['region'] == $verification && strpos($antecedents, 'baidu') === false && strpos($antecedents, 'google') === false){
sleep(99999999);//设置一个999999秒的等待。
Header("HTTP/1.1 204 No Content");
exit;
}
?>

<?php
function get_client_ip() {
if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown"))
$ip = getenv("HTTP_CLIENT_IP");
else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"),
"unknown"))
$ip = getenv("HTTP_X_FORWARDED_FOR");
else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown"))
$ip = getenv("REMOTE_ADDR");
else if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR']
&& strcasecmp($_SERVER['REMOTE_ADDR'], "unknown"))
$ip = $_SERVER['REMOTE_ADDR'];
else
$ip = "unknown";
return ($ip);
}
header("Content-type: text/html; charset=utf-8");
$verification = '山东省';//修改省份
$ip = get_client_ip(); //获取当前用户的ip
$antecedents = $_SERVER['HTTP_REFERER'];//访客来路地址
$result = file_get_contents("http://ip.taobao.com/service/getIpInfo.php?ip=".$ip);//IP数据库来自淘宝。
$address = json_decode($result,true);
if($address['data']['region'] == $verification && strpos($antecedents, 'baidu') === false && strpos($antecedents, 'google') === false){
sleep(9999999999999999);
ob_start();
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
header('Retry-After: 3600');
echo '网站备案中....';
exit;
}
?>