/**
* Static convienence method which uses this class to implement the DNS
* Update API to allow compatible DDNS clients to set GoDaddy DNS records
* using HTTP requests.
*
* See: http://dyn.com/support/developers/api/perform-update/
* http://dyn.com/support/developers/api/return-codes/
*/
public static function ddns($defaults = array())
{
// Merge the default request values with those passed into the function argument
$defaults = array_merge(array('username' => '', 'password' => '', 'hostname' => '', 'myip' => '', 'offline' => false, 'offline_ip' => '127.0.0.1', 'detect_external_ip' => false), $defaults);
// Get request values from HTTP data, falling back to the defaults above
$username = isset($_SERVER['PHP_AUTH_USER']) ? $_SERVER['PHP_AUTH_USER'] : (isset($_REQUEST['user']) ? $_REQUEST['user'] : $defaults['username']);
$password = isset($_SERVER['PHP_AUTH_PW']) ? $_SERVER['PHP_AUTH_PW'] : (isset($_REQUEST['pw']) ? $_REQUEST['pw'] : $defaults['password']);
$hostname = isset($_REQUEST['hostname']) ? $_REQUEST['hostname'] : $defaults['hostname'];
$myip = isset($_REQUEST['myip']) ? $_REQUEST['myip'] : (isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : $defaults['myip']);
$offline = isset($_REQUEST['offline']) ? strtoupper($_REQUEST['offline']) == 'YES' : $defaults['offline'];
if ($hostname) {
if ($username && $password) {
// Instantiate the GoDaddyDNS class
$dns = new self($defaults);
if ($dns->authenticate($username, $password, $hostname)) {
if ($offline) {
// Use offline IP
$myip = $defaults['offline_ip'];
} elseif ($defaults['detect_external_ip'] && $dns->isPrivateIp($myip)) {
if ($externalip = $dns->getPublicIp($myip)) {
// Use detected external IP
$myip = $externalip;
}
}
// Attempt to update the hostname's A record
if ($result = $dns->setRecord($hostname, $myip, 'A')) {
echo ($result['last_ip'] == $result['new_ip'] ? 'nochg' : 'good') . ' ' . $result['new_ip'];
} else {
header('HTTP/1.1 500 Internal Server Error');
echo '911';
}
} else {
header('HTTP/1.1 403 Forbidden');
echo 'badauth';
}
} else {
header('WWW-Authenticate: Basic realm="Dynamic DNS"');
header('HTTP/1.1 401 Unauthorized');
echo 'noauth';
}
} else {
header('HTTP/1.1 500 Internal Server Error');
echo 'nohost';
}
}
