/**
* Send the user to their OpenID provider to authenticate.
*
* @param Auth_OpenID_AuthRequest $auth_request OpenID authentication request object
* @param string $trust_root OpenID trust root
* @param string $return_to URL where the OpenID provider should return the user
*/
function openid_redirect($auth_request, $trust_root, $return_to)
{
do_action('openid_redirect', $auth_request, $trust_root, $return_to);
$message = $auth_request->getMessage($trust_root, $return_to, false);
if (Auth_OpenID::isFailure($message)) {
return openid_error('Could not redirect to server: ' . $message->message);
}
$_SESSION['openid_return_to'] = $message->getArg(Auth_OpenID_OPENID_NS, 'return_to');
// send 302 redirect or POST
if ($auth_request->shouldSendRedirect()) {
$redirect_url = $auth_request->redirectURL($trust_root, $return_to);
wp_redirect($redirect_url);
} else {
openid_repost($auth_request->endpoint->server_url, $message->toPostArgs());
}
}
function openid_debug($msg)
{
if (defined('WP_DEBUG') && WP_DEBUG) {
openid_error($msg);
}
}
/**
* Processes error modes.
*
* @param Boolean $valid True if the request has already been authenticated
*/
function processError($valid)
{
openid_error('perror', 'Provider error: ' . $_REQUEST['openid_error']);
}
