
<?php

ini_set('include_path', '/usr/local/src/php-openid-2.1.1');

require_once 'Auth/OpenID/Consumer.php';

require_once 'Auth/OpenID/FileStore.php';

require_once 'Auth/OpenID/SReg.php';



define('SERVER_URI',            'http://zuzara.org/pub/mixiopenid/');

define('SERVER_URI_RETURNTO',   SERVER_URI . '?action=finished');

define('OPENID_IDENTIFIER',     'http://mixi.jp/');

define('FILE_STORE_DIR',        '/tmp/openid/'); // 0777



session_start();



$nickname = null;

$openid   = null;

$action   = (isset($_GET['action']) ? $_GET['action'] : null);

switch ($action) {

    case 'finished':

        $consumer = new Auth_OpenID_Consumer(new Auth_OpenID_FileStore(FILE_STORE_DIR));

        $response = $consumer->complete(SERVER_URI_RETURNTO);



        if ($response->status == Auth_OpenID_CANCEL) {

            die('Verification cancelled.');

        } else if ($response->status == Auth_OpenID_FAILURE) {

            die("OpenID authentication failed: " . $response->message);

        } else if ($response->status == Auth_OpenID_SUCCESS) {

            $openid = $response->getDisplayIdentifier();

            $sregResponse = Auth_OpenID_SRegResponse::fromSuccessResponse($response);



            $sreg = $sregResponse->contents();

            if (isset($sreg['nickname'])) {

                $nickname = $sreg['nickname'];

            }

        }

        break;

    case 'login':

        $consumer = new Auth_OpenID_Consumer(new Auth_OpenID_FileStore(FILE_STORE_DIR));

        $req = $consumer->begin(OPENID_IDENTIFIER);

        if (!$req) {

            die("Authentication error; not a valid OpenID.");

        }

        $sregRequest = Auth_OpenID_SRegRequest::build(array('nickname'));

        if ($sregRequest) {

            $req->addExtension($sregRequest);

        }

        $formHtml = $req->htmlMarkup(SERVER_URI, SERVER_URI_RETURNTO, false, array('id' => 'openid_message'));



        if (Auth_OpenID::isFailure($formHtml)) {

            die("Could not redirect to server: " . $formHtml->message);

        } else {

            echo $formHtml;

            exit;

        }

    default:

        break;

}

?>

<html>

<head>

<title>mixi OpenID test</title>

<style type="text/css">

img { border: 0px; }

</style>

</head>

<body>

<h1>mixi OpenID test</h1>

<?php if (strcmp($action, 'finished') === 0): ?>

<p><?php echo "your nickname: " . htmlspecialchars($nickname, ENT_QUOTES) . ", id: " . htmlspecialchars($openid, ENT_QUOTES); ?></p>

<?php else: ?>

<a href="?action=login"><img src="mixi_login_button.gif" alt="mixi OpenID login" /></a>

<?php endif; ?>

</body>

</html>