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WHOIS类的更改版。

WHOIS类的更改版。

更新时间:2022-05-16 文章作者:未知 信息来源:网络 阅读次数:

1、简化了代码。(其实就是去掉了一些用不着的变量的定义)
2、针对从INTERNIC检索到的信息过于简单,根据INTERNIC反馈的信息中的WHOIS SERVER进行进一步查询。比如,YAHOO在whois.networksolutions.com上有更详细的信息。

<?
class whois {

var $use_cache = 1;
var $FROM_CACHE=0;
var $cache_dir = "./";// 根据你的系统自己设置

var $port = 43;
var $MAXLEN = 100;

// 如果你想在连接失败后自动重试,
// 设置重试次数 $MAX_RETRIES
var $MAX_RETRIES = 0;
var $SLEEP_VAL = 1;
var $RETRY = 0;

var $FOUND = 0;// 查询没有结果,次值为0
var $ERROR = 0;// 查询过程中的出错次数
var $DATA_MIN = 8; // 我们至少应该获得8个字节的数据
var $DATA_COUNT = 0;

var $WHOIS_SERVER;
var $NEW_WHOIS;
var $FURTHER_INFO = 0;


// 打开和WHOIS SERVER的SOCKET连接
// 默认的是 whois.internic.net
function connect ($server) {
$this->RETRY=0;
while($this->RETRY <= $this->MAX_RETRIES):
$ptr = fsockopen($server, $this->port);
if($ptr>0):
$this->ERROR=0; // just in case we're on a retry
return($ptr);
else:
$this->ERROR++;
$this->RETRY++;
sleep($this->SLEEP_VAL);
endif;
endwhile;
}

// 获取简单的查询结果,并以行为单位,放入数组
// 国际域名查询
function rawlookup ($query, $server) {

if(!$query):
return( "");
endif;

$ptr=$this->connect($server);

if($ptr):
if(!ereg($query, "\n$")):
$query .= "\n";
endif;
fputs($ptr, "$query");
$i=0;
$this->FOUND=1;
while(!feof($ptr)):
$array[$i]=fgets($ptr,$this->MAXLEN);
$this->DATA_COUNT+=strlen(chop($array[$i]));
if(eregi( "No match for", $array[$i]) || eregi ("No entries found", $array[$i])):
$this->FOUND=0;
 elseif(eregi( "WHOIS database is down",$array[$i])):
$this->ERROR++;
 $this->FOUND=0;
 elseif(eregi( "Please wait a while and try again",$array[$i])):
$this->ERROR++;
 $this->FOUND=0;
break;
endif;
if(eregi("Whois Server:",$array[$i])):
$this->NEW_WHOIS=trim(substr(trim($array[$i]),(strlen(trim($array[$i]))-13)*(-1)));
$this->FURTHER_INFO=1;
endif;
$i++;
endwhile;

fclose($ptr);

if($this->DATA_COUNT>$this->DATA_MIN):
return($array);
else:
$this->ERROR++;
endif;
else:
$this->ERROR++;
endif;
}


// 国内域名查询
function cnrawlookup ($query, $server) {
if(!$query):
return( "");
endif;

$ptr=$this->connect($server);
if($ptr):
if(!ereg($query, "\n$")):
$query .= "\n";
endif;
fputs($ptr, "$query");
$i=0;
$this->FOUND=1;
while(!feof($ptr)):
$array[$i]=fgets($ptr,$this->MAXLEN);
$this->DATA_COUNT+=strlen(chop($array[$i]));
if(eregi( "No match for", $array[$i]) || eregi ("No entries found", $array[$i])):
$this->FOUND=0;
 elseif(eregi( "WHOIS database is down",$array[$i])):
$this->ERROR++;
 $this->FOUND=0;
 elseif(eregi( "Please wait a while and try again",$array[$i])):
$this->ERROR++;
 $this->FOUND=0;
break;
endif;
$i++;
endwhile;
fclose($ptr);

if($this->DATA_COUNT>$this->DATA_MIN):
return($array);
else:
$this->ERROR++;
endif;
else:
$this->ERROR++;
endif;
}
};



$myWHOIS=new whois();

$thisname=$servername.$domainname;
// 根据国内域名或国际域名选择WHOIS SERVER
if (ereg(".cn$",$thisname))
{
$myWHOIS->WHOIS_SERVER="whois.cnnic.net.cn";
$array=$myWHOIS->cnrawlookup($thisname,$myWHOIS->WHOIS_SERVER);
}
else
{
$myWHOIS->WHOIS_SERVER="whois.internic.net";
//$myWHOIS->WHOIS_SERVER="whois.networksolutions.com";
$array=$myWHOIS->rawlookup($thisname,$myWHOIS->WHOIS_SERVER);
}



echo "<h2 align=center>".$thisname."</h2>";
echo "<table>";
$x=0;
while ($x<count($array))
{
echo "<tr><td>$x</td>";
echo "<td>$array[$x]</td>";
$x++;
}
echo "";

if (!ereg(".cn$",$thisname))
{
echo "<h2 align=center>Furth infomation</h2>";
$array_further=$myWHOIS->rawlookup($thisname,$myWHOIS->NEW_WHOIS);

echo "<table>";
$x=0;
while ($x<count($array_further))
{
echo "<tr><td>$x</td>";
echo "<td>$array_further[$x]</td>";
$x++;
}
echo "";
}

?>

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