256 lines
6.3 KiB
PHP
256 lines
6.3 KiB
PHP
<?php
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if(!defined('IN_XSS_PLATFORM')) {
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exit('Access Denied');
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}
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require_once("aes.php");
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//nginx无getallheaders函数
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if (!function_exists('getallheaders')) {
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function getallheaders() {
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foreach ($_SERVER as $name => $value) {
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if (substr($name, 0, 5) == 'HTTP_') {
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$headers[str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($name, 5)))))] = $value;
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}
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}
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return $headers;
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}
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}
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//判断该记录是否
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function isKeepSession($info){
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$keepsession=false;
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foreach($info['cookie_data'] as $k => $v) {
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if($k==="keepsession")
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$keepsession=($v==="1"?true:false);
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}
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foreach($info['post_data'] as $k => $v) {
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if($k==="keepsession")
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$keepsession=($v==="1"?true:false);
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}
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foreach($info['get_data'] as $k => $v) {
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if($k==="keepsession")
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$keepsession=($v==="1"?true:false);
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}
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return $keepsession;
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}
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//xss过滤
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function stripStr($str){
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if(get_magic_quotes_gpc())
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$str=stripslashes($str);
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return addslashes(htmlspecialchars($str,ENT_QUOTES,'UTF-8'));
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}
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function stripArr($arr){
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$new_arr=array();
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foreach($arr as $k => $v) {
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$new_arr[stripStr($k)] = stripStr($v);
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}
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return $new_arr;
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}
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//尝试base64解码
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function tryBase64Decode($arr)
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{
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if(isset($arr)&&count($arr)>0)
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{
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$isChanged=0;
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$new_arr = array();
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foreach($arr as $k => $v) {
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$decoded_v="";
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if(isBase64Formatted($v)) {
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$decoded_v=base64_decode($v);
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$isChanged=1;
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}
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$new_arr[$k]=$decoded_v;
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}
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if($isChanged)
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return $new_arr;
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else
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return false;
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}
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else
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return false;
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}
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//判断string是否为base64编码（判断方法：解码后为可见字符串）
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function isBase64Formatted($str)
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{
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if(preg_match('/^[A-Za-z0-9+\/=]+$/',$str))
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if ($str == base64_encode(base64_decode($str)))
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if(preg_match('/^[A-Za-z0-9\x00-\x80~!@#$%&_+-=:";\'<>,\/"\[\]\\\^\.\|\?\*\+\(\)\{\}\s]+$/',base64_decode($str)))
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return true;
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return false;
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}
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function encrypt($info,$encryptPass)
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{
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return AESEncryptCtr($info,$encryptPass);
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}
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function decrypt($info,$encryptPass)
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{
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return AESDecryptCtr($info,$encryptPass);
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}
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//基于Discuz X3.1 function_misc.php
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function convertip($ip, $ipdatafile) {
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$ipaddr = '未知';
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if(preg_match("/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/", $ip)) {
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$iparray = explode('.', $ip);
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if($iparray[0] == 10 || $iparray[0] == 127 || ($iparray[0] == 192 && $iparray[1] == 168) || ($iparray[0] == 172 && ($iparray[1] >= 16 && $iparray[1] <= 31))) {
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$ipaddr = '局域网';
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} elseif($iparray[0] > 255 || $iparray[1] > 255 || $iparray[2] > 255 || $iparray[3] > 255) {
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$ipaddr = '错误ip';
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} else {
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if(@file_exists($ipdatafile)) {
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if(!$fd = @fopen($ipdatafile, 'rb')) {
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return 'ip库出错';
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}
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$ip = explode('.', $ip);
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$ipNum = $ip[0] * 16777216 + $ip[1] * 65536 + $ip[2] * 256 + $ip[3];
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if(!($DataBegin = fread($fd, 4)) || !($DataEnd = fread($fd, 4)) ) return;
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@$ipbegin = implode('', unpack('L', $DataBegin));
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if($ipbegin < 0) $ipbegin += pow(2, 32);
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@$ipend = implode('', unpack('L', $DataEnd));
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if($ipend < 0) $ipend += pow(2, 32);
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$ipAllNum = ($ipend - $ipbegin) / 7 + 1;
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$BeginNum = $ip2num = $ip1num = 0;
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$ipAddr1 = $ipAddr2 = '';
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$EndNum = $ipAllNum;
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while($ip1num > $ipNum || $ip2num < $ipNum) {
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$Middle= intval(($EndNum + $BeginNum) / 2);
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fseek($fd, $ipbegin + 7 * $Middle);
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$ipData1 = fread($fd, 4);
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if(strlen($ipData1) < 4) {
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fclose($fd);
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return '系统错误';
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}
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$ip1num = implode('', unpack('L', $ipData1));
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if($ip1num < 0) $ip1num += pow(2, 32);
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if($ip1num > $ipNum) {
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$EndNum = $Middle;
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continue;
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}
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$DataSeek = fread($fd, 3);
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if(strlen($DataSeek) < 3) {
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fclose($fd);
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return '系统错误';
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}
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$DataSeek = implode('', unpack('L', $DataSeek.chr(0)));
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fseek($fd, $DataSeek);
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$ipData2 = fread($fd, 4);
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if(strlen($ipData2) < 4) {
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fclose($fd);
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return '系统错误';
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}
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$ip2num = implode('', unpack('L', $ipData2));
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if($ip2num < 0) $ip2num += pow(2, 32);
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if($ip2num < $ipNum) {
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if($Middle == $BeginNum) {
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fclose($fd);
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return '未知';
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}
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$BeginNum = $Middle;
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}
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}
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$ipFlag = fread($fd, 1);
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if($ipFlag == chr(1)) {
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$ipSeek = fread($fd, 3);
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if(strlen($ipSeek) < 3) {
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fclose($fd);
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return '系统错误';
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}
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$ipSeek = implode('', unpack('L', $ipSeek.chr(0)));
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fseek($fd, $ipSeek);
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$ipFlag = fread($fd, 1);
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}
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if($ipFlag == chr(2)) {
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$AddrSeek = fread($fd, 3);
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if(strlen($AddrSeek) < 3) {
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fclose($fd);
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return '系统错误';
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}
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$ipFlag = fread($fd, 1);
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if($ipFlag == chr(2)) {
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$AddrSeek2 = fread($fd, 3);
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if(strlen($AddrSeek2) < 3) {
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fclose($fd);
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return '系统错误';
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}
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$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
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fseek($fd, $AddrSeek2);
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} else {
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fseek($fd, -1, SEEK_CUR);
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}
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while(($char = fread($fd, 1)) != chr(0))
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$ipAddr2 .= $char;
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$AddrSeek = implode('', unpack('L', $AddrSeek.chr(0)));
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fseek($fd, $AddrSeek);
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while(($char = fread($fd, 1)) != chr(0))
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$ipAddr1 .= $char;
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} else {
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fseek($fd, -1, SEEK_CUR);
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while(($char = fread($fd, 1)) != chr(0))
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$ipAddr1 .= $char;
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$ipFlag = fread($fd, 1);
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if($ipFlag == chr(2)) {
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$AddrSeek2 = fread($fd, 3);
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if(strlen($AddrSeek2) < 3) {
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fclose($fd);
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return '系统错误';
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}
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$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
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fseek($fd, $AddrSeek2);
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} else {
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fseek($fd, -1, SEEK_CUR);
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}
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while(($char = fread($fd, 1)) != chr(0))
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$ipAddr2 .= $char;
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}
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fclose($fd);
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$ipAddr1 = iconv("gb18030", "utf-8//IGNORE", $ipAddr1);
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if($ipAddr2){
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if(ord($ipAddr2{0}) == 2)
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$ipAddr2 = "";
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else
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$ipAddr2 = iconv("gb18030", "utf-8//IGNORE", $ipAddr2);
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}
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if(preg_match('/http/i', $ipAddr2)) {
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$ipAddr2 = '';
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}
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$ipaddr = $ipAddr1.$ipAddr2;
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$ipaddr = preg_replace('/CZ88\.NET/is', '', $ipaddr);
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$ipaddr = preg_replace('/^\s*/is', '', $ipaddr);
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$ipaddr = preg_replace('/\s*$/is', '', $ipaddr);
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if(preg_match('/http/i', $ipaddr) || $ipaddr == '') {
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$ipaddr = '未知';
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}
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return htmlspecialchars($ipaddr,ENT_QUOTES,'UTF-8');
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}
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}
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}
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return $ipaddr;
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}
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?>
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