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Avoid requesting ipinfo.io and generating a php error when the connec…

…tion is from localhost (#135)
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Victor-D authored and adolfintel committed Apr 25, 2018
1 parent 5cae019 commit 8c27da939b4af5190f3b78b82f4cfd958527fbb4
Showing with 88 additions and 62 deletions.
  1. +88 −62 getIP.php
150 getIP.php
@@ -1,68 +1,94 @@
<?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){}
$ip = "";
header('Content-Type: text/plain; charset=utf-8');
if (!empty($_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:/", "", $ip);
if (strpos($ip, '::1') !== false) {
echo $ip . " - localhost ipv6 access";
die();
}
if (strpos($ip, '127.0.0') !== false) {
echo $ip . " - localhost ipv4 access";
die();
}
/**
* 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;
} catch (Exception $ex) {
$isp = "Unknown ISP";
}
echo $ip . " - " . $isp;
} else {
echo $ip;
}
?>

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