用ipip.net库替换了之前版本的ip库，更精确

application/default/controllers/DataController.php

@@ -1043,11 +1043,11 @@ where ds.uuid=? )) ) a ) p on r.id=p.refid where r.language<>'zh' order by p.pla
     	$row=$this->db->fetchRow($this->db->quoteInto($sql,$uuid));
     	$jump=$this->_request->getParam('jump');
     	if ($jump=="") $jump=1;//默认跳转
-		include_once("iplimit/iplimit.class.php");
+		include_once("ipip/IP.class.php");
-		$ip=new iplimit();
+		$ip=new IP();
     	if (@$row->has_pages && ($jump==1))
     	{
-			if (!$ip->setup($ip->GetIP()))
+			if (!$ip->mainland_verify())
 				$this->_helper->viewRenderer($row->code.'/view',null,true);
 			else
 				$this->_helper->viewRenderer($row->code.'/view-tianditu',null,true);

application/default/controllers/HiwaterController.php

@@ -537,9 +537,9 @@ class HiwaterController extends DataController
 	function viewAction()
 	{
 		parent::viewAction();
-		include_once("iplimit/iplimit.class.php");
+		include_once("ipip/IP.class.php");
-		$ip=new iplimit();
+		$ip=new IP();
-		if (!$ip->setup($ip->GetIP()))
+		if (!$ip->mainland_verify())
 			$this->_helper->viewRenderer('hiwater/view');
 		else
 			$this->_helper->viewRenderer('hiwater/view-tianditu');

include/ipip/IP.class.php

@@ -0,0 +1,127 @@
+<?php
+
+/*
+    全球 IPv4 地址归属地数据库(17MON.CN 版)
+    高春辉(pAUL gAO) <gaochunhui@gmail.com>
+    Build 20141009 版权所有 17MON.CN
+    (C) 2006 - 2014 保留所有权利
+    请注意及时更新 IP 数据库版本
+    数据问题请加 QQ 群: 346280296
+    Code for PHP 5.3+ only
+*/
+
+class IP
+{
+    private static $ip     = NULL;
+
+    private static $fp     = NULL;
+    private static $offset = NULL;
+    private static $index  = NULL;
+
+    private static $cached = array();
+
+    public static function find($ip)
+    {
+        if (empty($ip) === TRUE)
+        {
+            return 'N/A';
+        }
+
+        $nip   = gethostbyname($ip);
+        $ipdot = explode('.', $nip);
+
+        if ($ipdot[0] < 0 || $ipdot[0] > 255 || count($ipdot) !== 4)
+        {
+            return 'N/A';
+        }
+
+        if (isset(self::$cached[$nip]) === TRUE)
+        {
+            return self::$cached[$nip];
+        }
+
+        if (self::$fp === NULL)
+        {
+            self::init();
+        }
+
+        $nip2 = pack('N', ip2long($nip));
+
+        $tmp_offset = (int)$ipdot[0] * 4;
+        $start      = unpack('Vlen', self::$index[$tmp_offset] . self::$index[$tmp_offset + 1] . self::$index[$tmp_offset + 2] . self::$index[$tmp_offset + 3]);
+
+        $index_offset = $index_length = NULL;
+        $max_comp_len = self::$offset['len'] - 1024 - 4;
+        for ($start = $start['len'] * 8 + 1024; $start < $max_comp_len; $start += 8)
+        {
+            if (self::$index{$start} . self::$index{$start + 1} . self::$index{$start + 2} . self::$index{$start + 3} >= $nip2)
+            {
+                $index_offset = unpack('Vlen', self::$index{$start + 4} . self::$index{$start + 5} . self::$index{$start + 6} . "\x0");
+                $index_length = unpack('Clen', self::$index{$start + 7});
+
+                break;
+            }
+        }
+
+        if ($index_offset === NULL)
+        {
+            return 'N/A';
+        }
+
+        fseek(self::$fp, self::$offset['len'] + $index_offset['len'] - 1024);
+
+        self::$cached[$nip] = explode("\t", fread(self::$fp, $index_length['len']));
+
+        return self::$cached[$nip];
+    }
+
+    private static function init()
+    {
+        if (self::$fp === NULL)
+        {
+            self::$ip = new self();
+
+            self::$fp = fopen(__DIR__ . '/17monipdb.dat', 'rb');
+            if (self::$fp === FALSE)
+            {
+                throw new Exception('Invalid 17monipdb.dat file!');
+            }
+
+            self::$offset = unpack('Nlen', fread(self::$fp, 4));
+            if (self::$offset['len'] < 4)
+            {
+                throw new Exception('Invalid 17monipdb.dat file!');
+            }
+
+            self::$index = fread(self::$fp, self::$offset['len'] - 4);
+        }
+    }
+
+	public function getip()
+    {
+		if ($ip = getenv('HTTP_CLIENT_IP'));
+		elseif ($ip = getenv('HTTP_X_FORWARDED_FOR'));
+		elseif ($ip = getenv('HTTP_X_FORWARDED'));
+		elseif ($ip = getenv('HTTP_FORWARDED_FOR'));
+		elseif ($ip = getenv('HTTP_FORWARDED'));
+		else    $ip = $_SERVER['REMOTE_ADDR'];
+		return  $ip;
+	}
+    
+    public function mainland_verify($ip="")
+    {
+        if ($ip=="") $ip=$this->getip();
+        $t=$this->find($ip);
+        return ($t[0]=='中国');
+    }
+    
+    public function __destruct()
+    {
+        if (self::$fp !== NULL)
+        {
+            @fclose(self::$fp);
+        }
+    }
+}
+
+?>

include/iplimit/iplimit.class.php

@@ -1,74 +0,0 @@
-<?php
-
-class iplimit
-{
-
-	function iplimit() {
-		header('content-type:text/html;charset=utf-8;');
-		$this->path = "ipdata.db";
-	}
-
-	function setup($ip = '') {
-		$content = file_get_contents($this->path,true);
-		if(empty($content)) {
-			$this->show('1');
-			exit('IP数据库破损');
-		}
-		eval("\$this->iptable = $content;");
-		return $this->CheckIp($ip);
-	}
-
-	function GetIP() {
-		if ($ip = getenv('HTTP_CLIENT_IP'));
-		elseif ($ip = getenv('HTTP_X_FORWARDED_FOR'));
-		elseif ($ip = getenv('HTTP_X_FORWARDED'));
-		elseif ($ip = getenv('HTTP_FORWARDED_FOR'));
-		elseif ($ip = getenv('HTTP_FORWARDED'));
-		else    $ip = $_SERVER['REMOTE_ADDR'];
-		return  $ip;
-	}
-
-	function CheckIp($ip = '') {
-		!$ip &&$ip = $this->GetIp();
-		$ip2 = sprintf('%u',ip2long($ip));
-		$tag = reset(explode('.',$ip));
-		if(!$ip) {
-			$this->show(2);
-			return true;
-		}
-		if('192'== $tag ||'127'== $tag) {
-			$this->show(4);
-			return true;
-		}
-		if(!isset($this->iptable[$tag])) {
-			$this->show(3);
-			return false;
-		}
-		foreach($this->iptable[$tag] as $k =>$v) {
-			if($v[0] <= $ip2 &&$v[1] >= $ip2) {
-				$this->show('in');
-				return true;
-			}
-		}
-		$this->show('out');
-		return false;
-	}
-
-	function show($code) {
-		$msg = array(
-			1 =>"IP数据库文件破损",
-			2 =>"取不到IP地址 可能使用了代理",
-			4 =>"在局域网内",
-			'out'=>"IP地址在国外",
-			'in'=>"IP地址在国内",
-		);
-
-		$this->code = $code;
-		$this->msg = $msg[$code];
-	}
-
-	function __destruct() {
-		unset($this->iptable);
-	}
-}
-?>