Silenceway

Copyright 2010 Byron Herrera (email : bh at axul dot net)

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/

function sil_protect_rss() {
global $wpdb;
if (! is_feed()) return;
if (!isset($_SERVER['PHP_AUTH_USER'])) {
header('WWW-Authenticate: Basic realm="RSS Feeds"');
header('HTTP/1.1 401 Unauthorized');
echo 'This rss feeds requires authentication.';
exit;
} else {
if (user_pass_ok($_SERVER['PHP_AUTH_USER'],$_SERVER['PHP_AUTH_PW'])) {
// can proceed normally
} else {
header('WWW-Authenticate: Basic realm="RSS Feeds"');
header('HTTP/1.1 401 Unauthorized');
echo 'Error on username or password.';
exit;
}
}
}

function registered_subscribers_only() {
// Checks if a user is logged in, if not redirects them to the login page
if (!current_user_can('level_0'))
{
nocache_headers();
header("HTTP/1.1 302 Moved Temporarily");
header('Location: ' . get_settings('siteurl') . '/wp-login.php?action='); // logout
header("Status: 302 Moved Temporarily");
exit();
}
}