php kerberos authentication - requires server to have kerberos, apache, php (extends ldap add support for active directory for basic lamp stack)

php kerberos authentication (ldap, active directory)

<?php





if (!isset($_SERVER['PHP_AUTH_USER']) || strcmp($_SERVER['PHP_AUTH_USER'] , "logout" ) == 0 ){
    header('WWW-Authenticate: Basic realm="My Realm"');
    header('HTTP/1.0 401 Unauthorized');
     $username = $_SERVER['PHP_AUTH_USER'];
    echo  "{ \"username\": \"" .$username . "\" }";
    exit;
} else {
     $username = $_SERVER['PHP_AUTH_USER'];
    echo  "{ \"username\": \"" .$username . "\" }";
}
?>