static function &init()
{
static $instance = false;
if (!$instance) {
$class = get_called_class();
$services = Keyring::get_registered_services();
if (in_array($class::NAME, array_keys($services))) {
$instance = $services[$class::NAME];
} else {
$instance = new $class();
Keyring::register_service($instance);
}
}
return $instance;
}
/**
* Core request handler which is the crux of everything. An action is called
* here for almost everything Keyring does, so you can use it to intercept
* almost everything. Based entirely on $_REQUEST[page|action|service]
*/
static function request_handlers()
{
global $current_user;
if (defined('KEYRING__FORCE_USER') && KEYRING__FORCE_USER && in_array($_REQUEST['action'], array('request', 'verify'))) {
global $current_user;
$real_user = $current_user->ID;
wp_set_current_user(KEYRING__FORCE_USER);
}
if (!empty($_REQUEST['action']) && in_array($_REQUEST['action'], apply_filters('keyring_core_actions', array('request', 'verify', 'created', 'delete', 'manage'))) && !empty($_REQUEST['service']) && in_array($_REQUEST['service'], array_keys(Keyring::get_registered_services()))) {
// We have an action here to allow us to do things pre-authorization, just in case
do_action("pre_keyring_{$_REQUEST['service']}_{$_REQUEST['action']}", $_REQUEST);
// Core nonce check required for everything. "keyring-ACTION" is the kr_nonce format
if (!isset($_REQUEST['kr_nonce']) || !wp_verify_nonce($_REQUEST['kr_nonce'], 'keyring-' . $_REQUEST['action'])) {
Keyring::error(__('Invalid/missing Keyring core nonce. All core actions require a valid nonce.', 'keyring'));
exit;
}
Keyring_Util::debug("keyring_{$_REQUEST['service']}_{$_REQUEST['action']}");
Keyring_Util::debug($_GET);
do_action("keyring_{$_REQUEST['service']}_{$_REQUEST['action']}", $_REQUEST);
if ('delete' == $_REQUEST['action']) {
do_action("keyring_connection_deleted", $_REQUEST['service'], $_REQUEST);
}
}
if (defined('KEYRING__FORCE_USER') && KEYRING__FORCE_USER && in_array($_REQUEST['action'], array('request', 'verify'))) {
wp_set_current_user($real_user);
}
}
