禁止掉某地区的IP访问网站,不过滤搜索引擎的蜘蛛
程序员文章站
2022-04-22 22:44:51
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php代码
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['region']=='湖北省' && !isCrawler()){ exit('http://www.lvtao.net'); } } 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']),$spiderSite)){ return true; }else{ return false; } } //取客户端 ip function get_client_ip() { if (isset($_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; }