/**
* Initializes fEmail for creating message ids
*
* @return fEmail
*/
public function __construct()
{
if (self::$local_hostname !== NULL) {
return;
}
if (isset($_ENV['HOST'])) {
self::$local_hostname = $_ENV['HOST'];
}
if (strpos(self::$local_hostname, '.') === FALSE && isset($_ENV['HOSTNAME'])) {
self::$local_hostname = $_ENV['HOSTNAME'];
}
if (strpos(self::$local_hostname, '.') === FALSE) {
self::$local_hostname = php_uname('n');
}
if (strpos(self::$local_hostname, '.') === FALSE && !in_array('exec', explode(',', ini_get('disable_functions'))) && !ini_get('safe_mode') && !ini_get('open_basedir')) {
if (fCore::checkOS('linux')) {
self::$local_hostname = trim(shell_exec('hostname --fqdn'));
} elseif (fCore::checkOS('windows')) {
$output = shell_exec('ipconfig /all');
if (preg_match('#DNS Suffix Search List[ .:]+([a-z0-9_.-]+)#i', $output, $match)) {
self::$local_hostname .= '.' . $match[1];
}
} elseif (fCore::checkOS('bsd', 'osx') && file_exists('/etc/resolv.conf')) {
$output = file_get_contents('/etc/resolv.conf');
if (preg_match('#^domain ([a-z0-9_.-]+)#im', $output, $match)) {
self::$local_hostname .= '.' . $match[1];
}
}
}
}
