use strict;
use constant MODPERL2 => ($mod_perl::VERSION >= 1.99);

if (MODPERL2) {
    require Apache2::Access;
}

my $r = MODPERL2 ? Apache2::RequestUtil->request
                 : Apache->request;

my $auth_type = $r->auth_type;

# Delete the cookie, etc.
$r->content_type("text/html");
$r->status(200);
$r->send_http_header unless MODPERL2;

print $auth_type->key($r);