/**
* Retrieve the OpenID provider class.
*
* @return sspmod_openidProvider_Server The OpenID Provider class.
*/
public static function getInstance()
{
if (self::$instance === NULL) {
self::$instance = new sspmod_openidProvider_Server();
}
return self::$instance;
}
<?php
/**
* This endpoint returns an XRDS document describing this server.
*
* @package simpleSAMLphp
*/
if (isset($_REQUEST['user'])) {
$user = (string) $_REQUEST['user'];
$serviceTypes = array('http://specs.openid.net/auth/2.0/signon', 'http://openid.net/server/1.0', 'http://openid.net/server/1.1');
} else {
$user = NULL;
$serviceTypes = array('http://specs.openid.net/auth/2.0/server');
}
$server = sspmod_openidProvider_Server::getInstance();
$serverURL = $server->getServerURL();
header('Content-Type: application/xrds+xml');
echo '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
echo '<xrds:XRDS xmlns:xrds="xri://$xrds" xmlns="xri://$xrd*($v*2.0)">';
echo '<XRD>';
echo '<Service priority="0">';
foreach ($serviceTypes as $t) {
echo '<Type>' . htmlspecialchars($t) . '</Type>';
}
echo '<URI>' . htmlspecialchars($serverURL) . '</URI>';
if ($user !== NULL) {
$localId = SimpleSAML_Module::getModuleURL('openidProvider/user.php') . '/' . $user;
echo '<LocalID>' . htmlspecialchars($localId) . '</LocalID>';
}
echo '</Service>';
echo '</XRD>';
