[织梦CMS] 织梦dedecms搜索功能禁止特定地区用户访问

if($cfg_notallowstr !='' && preg_match("#".$cfg_notallowstr."#i", $keyword))
{ 
  ShowMsg("你的搜索关键字中存在非法内容，被系统禁止！","-1");
  exit();
}

function get_ip_data(){   
$ip=file_get_contents("http://ip.taobao.com/service/getIpInfo.php?ip=".get_client_ip());
  $ip = json_decode($ip);
  if($ip->code){
    return false;
  }
  $data = (array) $ip->data;
  if($data['city']=='上海市' && !isCrawler()){
     // exit('http://www.adminbuy.cn');
  return true;
     
/*   header("location:".getenv("HTTP_REFERER")); // 返回其调用页面 */
  
  }
}
  
function isCrawler() {
    $spiderSite= array(
            "TencentTraveler",
            "Baiduspider+",
            "BaiduGame",
            "Googlebot",
            "msnbot",
            "Sosospider+",
            "Sogou web spider",
            "ia_archiver",
            "Yahoo! Slurp",
            "YoudaoBot",
            "Yahoo Slurp",
            "MSNBot",
            "Java (Often spam bot)",
            "BaiDuSpider",
            "Voila",
            "Yandex bot",
            "BSpider",
            "twiceler",
            "Sogou Spider",
            "Speedy Spider",
            "Google AdSense",
            "Heritrix",
            "Python-urllib",
            "Alexa (IA Archiver)",
            "Ask",
            "Exabot",
            "Custo",
            "OutfoxBot/YodaoBot",
            "yacy",
            "SurveyBot",
            "legs",
            "lwp-trivial",
            "Nutch",
            "StackRambler",
            "The web archive (IA Archiver)",
            "Perl tool",
            "MJ12bot",
            "Netcraft",
            "MSIECrawler",
            "WGet tools",
            "larbin",
            "Fish search",
        );
    if(in_array(strtolower($_SERVER['HTTP_USER_AGENT']),$spiderSite)){
      return true;
    }else{
      return false;
    }
}
  
//获取客户端ip
function get_client_ip()
{
  if (isset($_SERVER)){
      if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
        $realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
      } else if (isset($_SERVER["HTTP_CLIENT_IP"])) {
        $realip = $_SERVER["HTTP_CLIENT_IP"];
      } else {
        $realip = $_SERVER["REMOTE_ADDR"];
      }
  } else {
      if (getenv("HTTP_X_FORWARDED_FOR")){
        $realip = getenv("HTTP_X_FORWARDED_FOR");
      } else if (getenv("HTTP_CLIENT_IP")) {
        $realip = getenv("HTTP_CLIENT_IP");
      } else {
        $realip = getenv("REMOTE_ADDR");
      }
    }
  return $realip;
}
if(get_ip_data())
{
  ShowMsg("你的IP被禁止！","-1");
  exit();
}