/**
* 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());
}
}
/**
* 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 $return_to URL where the OpenID provider should return the user
*/
function openid_doRedirect($auth_request, $trust_root, $return_to)
{
if ($auth_request->shouldSendRedirect()) {
$trust_root = trailingslashit($trust_root);
$redirect_url = $auth_request->redirectURL($trust_root, $return_to);
if (Auth_OpenID::isFailure($redirect_url)) {
openid_error('Could not redirect to server: ' . $redirect_url->message);
} else {
wp_redirect($redirect_url);
}
} else {
// Generate form markup and render it
$request_message = $auth_request->getMessage($trust_root, $return_to, false);
if (Auth_OpenID::isFailure($request_message)) {
openid_error('Could not redirect to server: ' . $request_message->message);
} else {
openid_repost($auth_request->endpoint->server_url, $request_message->toPostArgs());
}
}
}
/**
* Action method for completing the 'comment' action. This action is used when leaving a comment.
*
* @param string $identity_url verified OpenID URL
*/
function openid_finish_comment($identity_url)
{
if ($_REQUEST['action'] != 'comment') {
return;
}
if (empty($identity_url)) {
openid_repost_comment_anonymously($_SESSION['openid_comment_post']);
}
openid_set_current_user($identity_url);
if (is_user_logged_in()) {
// simulate an authenticated comment submission
$_SESSION['openid_comment_post']['author'] = null;
$_SESSION['openid_comment_post']['email'] = null;
$_SESSION['openid_comment_post']['url'] = null;
} else {
// try to get user data from the verified OpenID
$user_data =& openid_get_user_data($identity_url);
if (!empty($user_data['display_name'])) {
$_SESSION['openid_comment_post']['author'] = $user_data['display_name'];
}
if (!empty($user_data['user_email'])) {
$_SESSION['openid_comment_post']['email'] = $user_data['user_email'];
}
$_SESSION['openid_comment_post']['url'] = $identity_url;
}
// record that we're about to post an OpenID authenticated comment.
// We can't actually record it in the database until after the repost below.
$_SESSION['openid_posted_comment'] = true;
$comment_page = defined('OPENID_COMMENTS_POST_PAGE') ? OPENID_COMMENTS_POST_PAGE : 'wp-comments-post.php';
openid_repost(site_url("/{$comment_page}"), array_filter($_SESSION['openid_comment_post']));
}
