function test_getIPAddressType()
{
$ips = array('0.0.0.0' => 'external', '10.0.0.1' => 'internal', '127.0.0.1' => 'loopback', '172.16.0.1' => 'internal', '192.168.0.1' => 'internal', '255.0.0.1' => 'external');
foreach ($ips as $ip => $expected) {
$rv = fbHTTP::getIPAddressType($ip);
$this->assertEquals($expected, $rv);
}
}
function getRemoteAddress()
{
global $_SERVER;
// < 4.1.0
static $rv = null;
while (is_null($rv)) {
if (isset($_SERVER['HTTP_CLIENT_IP'])) {
$ip = trim($_SERVER['HTTP_CLIENT_IP']);
if (strcasecmp($ip, 'unknown')) {
$ip2 = explode('.', $ip);
$rv = $ip2[3] . '.' . $ip2[2] . '.' . $ip2[1] . '.' . $ip2[0];
if (fbHTTP::getIPAddressType($rv) == 'external') {
break;
}
}
}
if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
$ips = trim($_SERVER['HTTP_X_FORWARDED_FOR']);
while (preg_match('/([^, ]+)[, ]+(.*)/', $ips, $matches)) {
$rv = trim($matches[1]);
if (strcasecmp($ip, 'unknown')) {
if (fbHTTP::getIPAddressType($rv) == 'external') {
break 2;
}
}
$ips = @$matches[2];
}
}
if (isset($_SERVER['HTTP_FORWARDED'])) {
$ips = trim($_SERVER['HTTP_FORWARDED']);
while (preg_match('/([^, ]+)[, ]+(.*)/', $ips, $matches)) {
$rv = trim($matches[1]);
if (strcasecmp($ip, 'unknown')) {
if (fbHTTP::getIPAddressType($rv) == 'external') {
break 2;
}
}
$ips = @$matches[2];
}
}
if (isset($_SERVER['REMOTE_ADDR'])) {
$rv = trim($_SERVER['REMOTE_ADDR']);
break;
}
$rv = false;
break;
}
return $rv;
}
