$file
$file :
Ip 地址解析
<?php namespace Phpcmf\Library;
/**
* http://www.kaiqibao.net
* 本文件是框架系统文件,二次开发时不可以修改本文件,可以通过继承类方法来重写此文件
**/
/**
* Ip 地址解析
*/
class Ip
{
private $file = WRITEPATH.'qqwry.dat';
private $address;
/**
* ip查询
*/
public function set($ip) {
$ip = dr_safe_replace($ip);
$this->address = '';
if (preg_match("/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/", $ip)) {
$iparray = explode('.', $ip);
if ($iparray[0] == 10 || $iparray[0] == 127 || ($iparray[0] == 192 && $iparray[1] == 168) || ($iparray[0] == 172 && ($iparray[1] >= 16 && $iparray[1] <= 31))) {
$this->address = '';
} elseif ($iparray[0] > 255 || $iparray[1] > 255 || $iparray[2] > 255 || $iparray[3] > 255) {
$this->address = '';
} else {
$this->address = $this->_full($ip);
}
}
!$this->address && $this->address = '未知地区';
return $this;
}
/**
* IP地址解析详细地址
*/
public function address($ip) {
if ($ip == '127.0.0.1') {
return '本地';
}
$this->set($ip);
return $this->address;
}
/**
* IP地址解析城市
*/
public function city($ip) {
if ($ip == '127.0.0.1') {
return '本地';
}
$this->set($ip);
if (preg_match('/省(.+)市/U', $this->address, $m)) {
return $m[1];
} elseif (preg_match('/(.+)市/U', $this->address, $m)) {
return str_replace([
'西藏',
'内蒙古',
'青海',
'宁夏',
'新疆'
], '', $m[1]);
} else {
list($name) = explode(' ', $this->address);
return $name;
}
}
/**
* IP地址解析省
*/
public function province($ip) {
if ($ip == '127.0.0.1') {
return '本地';
}
$this->set($ip);
if (preg_match('/(.+)省/U', $this->address, $m)) {
return $m[1];
} else {
foreach ([
'西藏',
'内蒙古',
'青海',
'宁夏',
'新疆'
] as $t) {
if (strpos($this->address, $t) !== false) {
return $t;
}
}
list($name) = explode(' ', $this->address);
return $name;
}
}
private function _full($ip) {
if(!$fd = @fopen($this->file, 'rb')) {
return 'IP库不存在';
}
$ip = explode('.', $ip);
$ipNum = $ip[0] * 16777216 + $ip[1] * 65536 + $ip[2] * 256 + $ip[3];
if(!($DataBegin = fread($fd, 4)) || !($DataEnd = fread($fd, 4)) ) return;
@$ipbegin = implode('', unpack('L', $DataBegin));
if($ipbegin < 0) $ipbegin += pow(2, 32);
@$ipend = implode('', unpack('L', $DataEnd));
if($ipend < 0) $ipend += pow(2, 32);
$ipAllNum = ($ipend - $ipbegin) / 7 + 1;
$BeginNum = $ip2num = $ip1num = 0;
$ipAddr1 = $ipAddr2 = '';
$EndNum = $ipAllNum;
while($ip1num > $ipNum || $ip2num < $ipNum) {
$Middle= intval(($EndNum + $BeginNum) / 2);
fseek($fd, $ipbegin + 7 * $Middle);
$ipData1 = fread($fd, 4);
if(strlen($ipData1) < 4) {
fclose($fd);
return '';
}
$ip1num = implode('', unpack('L', $ipData1));
if($ip1num < 0) $ip1num += pow(2, 32);
if($ip1num > $ipNum) {
$EndNum = $Middle;
continue;
}
$DataSeek = fread($fd, 3);
if(strlen($DataSeek) < 3) {
fclose($fd);
return '';
}
$DataSeek = implode('', unpack('L', $DataSeek.chr(0)));
fseek($fd, $DataSeek);
$ipData2 = fread($fd, 4);
if(strlen($ipData2) < 4) {
fclose($fd);
return '';
}
$ip2num = implode('', unpack('L', $ipData2));
if($ip2num < 0) $ip2num += pow(2, 32);
if($ip2num < $ipNum) {
if($Middle == $BeginNum) {
fclose($fd);
return '';
}
$BeginNum = $Middle;
}
}
$ipFlag = fread($fd, 1);
if($ipFlag == chr(1)) {
$ipSeek = fread($fd, 3);
if(strlen($ipSeek) < 3) {
fclose($fd);
return '';
}
$ipSeek = implode('', unpack('L', $ipSeek.chr(0)));
fseek($fd, $ipSeek);
$ipFlag = fread($fd, 1);
}
if($ipFlag == chr(2)) {
$AddrSeek = fread($fd, 3);
if(strlen($AddrSeek) < 3) {
fclose($fd);
return '';
}
$ipFlag = fread($fd, 1);
if($ipFlag == chr(2)) {
$AddrSeek2 = fread($fd, 3);
if(strlen($AddrSeek2) < 3) {
fclose($fd);
return '';
}
$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
fseek($fd, $AddrSeek2);
} else {
fseek($fd, -1, SEEK_CUR);
}
while(($char = fread($fd, 1)) != chr(0))
$ipAddr2 .= $char;
$AddrSeek = implode('', unpack('L', $AddrSeek.chr(0)));
fseek($fd, $AddrSeek);
while(($char = fread($fd, 1)) != chr(0))
$ipAddr1 .= $char;
} else {
fseek($fd, -1, SEEK_CUR);
while(($char = fread($fd, 1)) != chr(0))
$ipAddr1 .= $char;
$ipFlag = fread($fd, 1);
if($ipFlag == chr(2)) {
$AddrSeek2 = fread($fd, 3);
if(strlen($AddrSeek2) < 3) {
fclose($fd);
return '';
}
$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
fseek($fd, $AddrSeek2);
} else {
fseek($fd, -1, SEEK_CUR);
}
while(($char = fread($fd, 1)) != chr(0))
$ipAddr2 .= $char;
}
fclose($fd);
if(preg_match('/http/i', $ipAddr2)) {
$ipAddr2 = '';
}
$ipaddr = "$ipAddr1 $ipAddr2";
$ipaddr = preg_replace('/CZ88\.NET/is', '', $ipaddr);
$ipaddr = preg_replace('/^\s*/is', '', $ipaddr);
$ipaddr = preg_replace('/\s*$/is', '', $ipaddr);
if(preg_match('/http/i', $ipaddr) || $ipaddr == '') {
$ipaddr = '';
}
$name = iconv('GB2312', 'UTF-8', $ipaddr);
$arr = explode(' ', $name);
return $arr[0] ? $arr[0] : $name;
}
}