if (!current_user_can('manage_options')) {
wp_die(__('You do not have sufficient permissions to access this page.'));
}
// Dodge Wordpress's rediculous magic quotes nonsense
$postdata = wpv_postdata(file_get_contents('php://input'));
// save posted settings
if (isset($postdata['wpv_save'])) {
update_option('wpv_clients', $postdata['wpv_clients']);
update_option('wpv_secrets', $postdata['wpv_secrets']);
update_option('wpv_host_pattern', $postdata['wpv_host_pattern']);
update_option('wpv_enabled', !empty($postdata['wpv_enabled']));
} else {
if (isset($postdata['wpv_purge'])) {
$purge = $postdata['wpv_purge_pattern'];
$timeout = $postdata['wpv_timeout'] or $timeout = 3;
$secrets = wpv_get_secrets();
foreach (wpv_get_clients() as $i => $client) {
list($host, $port, $vers) = $client;
try {
$Sock = wpv_admin_socket($host, $port, $vers);
if (!empty($secrets[$i])) {
$Sock->set_auth($secrets[$i]);
}
$Sock->connect($timeout);
$Sock->purge($purge);
$purges[$host . ':' . $port] = 'Purged';
} catch (Exception $Ex) {
$purges[$host . ':' . $port] = 'Error: ' . $Ex->getMessage();
}
}
} else {
/**
* Send multiple purge commands to all varnishadm sockets
*/
function wpv_purge_urls(array $urls)
{
$hostpattern = get_option('wpv_host_pattern', '');
$secrets = wpv_get_secrets();
$clients = wpv_get_clients();
if (!$clients) {
return;
}
// iterate over all available sockets
foreach ($clients as $i => $client) {
try {
list($host, $port, $vers) = $client;
$Sock = wpv_admin_socket($host, $port, $vers);
if (!empty($secrets[$i])) {
$Sock->set_auth($secrets[$i]);
}
$Sock->connect();
if (!$Sock->status()) {
throw new Exception(sprintf('Varnish server stopped on host %s:%d', $host, $port));
}
// iterate over all URLs and purge from this socket
foreach ($urls as $url => $bool) {
try {
$expr = sprintf('req.url ~ "%s"', $url);
if ($hostpattern) {
$expr .= sprintf(' && req.http.host ~ "%s"', $hostpattern);
}
$Sock->purge($expr);
} catch (Exception $Ex) {
trigger_error($Ex->getMessage(), E_USER_WARNING);
continue;
}
}
} catch (Exception $Ex) {
trigger_error($Ex->getMessage(), E_USER_WARNING);
}
// next socket
$Sock->quit();
}
return true;
}