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Fixing improper localhost address reporting for ipv4 and v6 (#188)

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Fixed improper reporting of IPV6 and IPV4 localhost addresses, more detailed explanation in comments of modified file.

Basically, 
 for ipv6: the only possible localhost ipv6 is ::1, not any string that contains ::1 like you were doing before.
 for ipv4: any ip in the 127/8 range (from 127.0.0.1 to 127.254.254.254), is a localhost ipv4 address. not just 127.0.0.1 like you were doing before.
This commit is contained in:
RaidAndFade 2018-12-27 11:02:03 -05:00 committed by Federico Dossena
parent bf696d8da2
commit fa56614440
1 changed files with 2 additions and 2 deletions
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4
getIP.php
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@ -20,11 +20,11 @@ if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
$ip = preg_replace("/^::ffff:/", "", $ip);
if (strpos($ip, '::1') !== false) {
if ($ip == "::1") { // ::1/128 is the only localhost ipv6 address. there are no others, no need to strpos this
echo json_encode(['processedString' => $ip . " - localhost ipv6 access", 'rawIspInfo' => ""]);
die();
}
if (strpos($ip, '127.0.0') !== false) {
if (strpos($ip, '127.') === 0) { //anything within the 127/8 range is localhost ipv4, the ip must start with 127.0
echo json_encode(['processedString' => $ip . " - localhost ipv4 access", 'rawIspInfo' => ""]);
die();
}