/**
* Check if user's IP address is in the known IP addresses
*
* @return boolean Whether the IP address is known
*/
public static function isInIpRange()
{
global $configArray;
if (!isset($configArray['IP_Addresses'])) {
return false;
}
foreach ($configArray['IP_Addresses'] as $rangeDef) {
$remote = UserAccount::normalizeIp($_SERVER['REMOTE_ADDR']);
$ranges = explode(',', $rangeDef);
foreach ($ranges as $range) {
$ips = explode('-', $range);
if (!isset($ips[0])) {
continue;
}
if (!isset($ips[1])) {
$ips[1] = $ips[0];
}
$ips[0] = UserAccount::normalizeIp($ips[0]);
$ips[1] = UserAccount::normalizeIp($ips[1], true);
if ($ips[0] === false || $ips[1] === false) {
error_log("Could not parse IP address/range: {$range}");
continue;
}
if ($remote >= $ips[0] && $remote <= $ips[1]) {
return true;
}
}
}
return false;
}