69 lines
2.8 KiB
PHP
69 lines
2.8 KiB
PHP
<?php
|
|
$ip="";
|
|
header('Content-Type: text/plain; charset=utf-8');
|
|
if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
|
|
$ip=$_SERVER['HTTP_CLIENT_IP'];
|
|
} elseif (!empty($_SERVER['X-Real-IP'])) {
|
|
$ip=$_SERVER['X-Real-IP'];
|
|
} elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
|
|
$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
|
|
} else {
|
|
$ip=$_SERVER['REMOTE_ADDR'];
|
|
}
|
|
$ip=preg_replace("/^::ffff:/", "", $ip);
|
|
/**
|
|
* Optimized algorithm from http://www.codexworld.com
|
|
*
|
|
* @param float $latitudeFrom
|
|
* @param float $longitudeFrom
|
|
* @param float $latitudeTo
|
|
* @param float $longitudeTo
|
|
*
|
|
* @return float [km]
|
|
*/
|
|
function distance($latitudeFrom, $longitudeFrom, $latitudeTo, $longitudeTo){
|
|
$rad = M_PI / 180;
|
|
$theta = $longitudeFrom - $longitudeTo;
|
|
$dist = sin($latitudeFrom * $rad) * sin($latitudeTo * $rad) + cos($latitudeFrom * $rad) * cos($latitudeTo * $rad) * cos($theta * $rad);
|
|
return acos($dist) / $rad * 60 * 1.853;
|
|
}
|
|
if(isset($_GET["isp"])){
|
|
$isp="";
|
|
try{
|
|
$json = file_get_contents("https://ipinfo.io/".$ip."/json");
|
|
$details = json_decode($json,true);
|
|
if(array_key_exists("org",$details)) $isp.=$details["org"]; else $isp.="Unknown ISP";
|
|
if(array_key_exists("country",$details)) $isp.=", ".$details["country"];
|
|
$clientLoc=NULL; $serverLoc=NULL;
|
|
if(array_key_exists("loc",$details)) $clientLoc=$details["loc"];
|
|
if(isset($_GET["distance"])){
|
|
if($clientLoc){
|
|
$json = file_get_contents("https://ipinfo.io/json");
|
|
$details = json_decode($json,true);
|
|
if(array_key_exists("loc",$details)) $serverLoc=$details["loc"];
|
|
if($serverLoc){
|
|
try{
|
|
$clientLoc=explode(",",$clientLoc);
|
|
$serverLoc=explode(",",$serverLoc);
|
|
$dist=distance($clientLoc[0],$clientLoc[1],$serverLoc[0],$serverLoc[1]);
|
|
if($_GET["distance"]=="mi"){
|
|
$dist/=1.609344;
|
|
$dist=round($dist,-1);
|
|
if($dist<15) $dist="<15";
|
|
$isp.=" (".$dist." mi)";
|
|
}else if($_GET["distance"]=="km"){
|
|
$dist=round($dist,-1);
|
|
if($dist<20) $dist="<20";
|
|
$isp.=" (".$dist." km)";
|
|
}
|
|
}catch(Exception $e){}
|
|
}
|
|
}
|
|
}
|
|
}catch(Exception $ex){
|
|
$isp="Unknown ISP";
|
|
}
|
|
echo $ip." - ".$isp;
|
|
} else echo $ip;
|
|
?>
|