init

2025-03-05 14:10:06 +09:00
commit 7a77932344
1905 changed files with 122510 additions and 0 deletions
@@ -0,0 +1,118 @@
+<?php
+
+class ZenithIP
+{
+    private $db;
+    public function __construct()
+    {
+        $this->db = new ZenithDB();
+    }
+    public function chk_ip($remote_addr, $list=[]) 
+    {
+        $is_ip_chk = false;
+        foreach($list as &$ip) {
+            $ip = trim($ip);
+            
+            if(strpos($ip, "/") !== false) {
+                if($this->_ip_match($ip, $remote_addr) == true) {
+                    $is_ip_chk = true;
+                    break;
+                }
+            }
+        }
+
+        if(in_array($remote_addr, $list) === false && $is_ip_chk === false) {
+            return false;
+        }
+        return true;
+    }
+
+    protected function _ip_match($network, $remote_addr) 
+    {
+        $ip_arr = explode("/", $network);
+        
+        $network_long = ip2long($ip_arr[0]);
+        
+        $mask_long = pow(2,32)-pow(2,(32-$ip_arr[1]));  
+        $ip_long = ip2long($remote_addr);
+        if(($ip_long & $mask_long) == $network_long) {
+            return true;
+        }
+        return false;
+    }
+
+    public function ipBlocker($remote_addr, $is_our) 
+    {
+        /*
+        $mobile_ip = [
+            '203.226.0.0/16'     // SKT 3G
+            ,'211.234.0.0/16'    // SKT 3G
+            ,'223.32.0.0/11'     // SKT 4G, 5G
+            //,'2001:2d8::/32'     // SKT 4G, 5G IPv6
+            ,'39.7.0.0/24'       // KT 3G, 4G, 5G
+            ,'110.70.0.0/16'     // KT 3G, 4G, 5G
+            ,'175.223.0.0/16'    // KT 3G, 4G
+            ,'211.246.0.0/16'    // KT 3G
+            ,'118.235.0.0/16'    // KT 4G, 5G
+            ,'211.246.0.0/16'    // KT 4G
+            //,'2001:e60::/32'     // KT 4G, 5G IPv6
+            ,'61.43.0.0/16'      // LG 3G
+            ,'211.234.0.0/16'    // LG 3G
+            ,'106.102.0.0/16'    // LG 4G
+            ,'117.111.0.0/16'    // LG 4G
+            ,'211.36.0.0/16'     // LG 4G
+            ,'106.101.0.0/16'    // LG 5G
+            //,'2001:4430::/32'    // LG 5G IPv6
+        ];
+        */
+
+        $result = $this->db->getIpBlockerByIp($remote_addr);
+        $blocked = $result->db->num_rows;
+        if ($blocked) {
+            $block = $result->db->fetch_assoc();
+            if (strtotime($block['term']) >= time()) {
+                throw new Exception("부정접속으로 확인되어 1시간동안 접속이 차단됩니다.");
+            } elseif ($block['forever'] == 1) {
+                throw new Exception("지속적인 부정접속으로 확인되어 사이트 접속이 차단됩니다.");
+            }
+        }
+        
+        //session 으로 분당 접속 카운트
+        if(isset($_SESSION['visit'])){
+            if ($_SESSION['visit']['datetime'] && strtotime($_SESSION['visit']['datetime'] . ' +1 minute') >= time()) {
+                $_SESSION['visit']['count']++;
+            } else {
+                $_SESSION['visit']['datetime'] = date('Y-m-d H:i:s');
+                $_SESSION['visit']['count'] = 1;
+            }
+            //카운트 분당 30회 이상일 경우 블럭처리
+            if ($_SESSION['visit']['count'] >= 30 && !$is_our) {
+                $this->db->setIpBlocker($remote_addr);
+                unset($_SESSION['visit']);
+            }
+        }
+    }
+
+    //IP정보 가져오기
+    public static function getRemoteAddr()
+    { 
+        $ipaddress = '';
+        if (getenv('HTTP_CLIENT_IP'))
+            $ipaddress = getenv('HTTP_CLIENT_IP');
+        else if (getenv('HTTP_X_FORWARDED_FOR'))
+            $ipaddress = getenv('HTTP_X_FORWARDED_FOR');
+        else if (getenv('HTTP_X_FORWARDED'))
+            $ipaddress = getenv('HTTP_X_FORWARDED');
+        else if (getenv('HTTP_FORWARDED_FOR'))
+            $ipaddress = getenv('HTTP_FORWARDED_FOR');
+        else if (getenv('HTTP_FORWARDED'))
+            $ipaddress = getenv('HTTP_FORWARDED');
+        else if (getenv('REMOTE_ADDR'))
+            $ipaddress = getenv('REMOTE_ADDR');
+        else
+            $ipaddress = 'UNKNOWN';
+
+        return $ipaddress;
+    }
+}
+?>