diff options
| -rw-r--r-- | plugins/OStatus/lib/webfinger.php | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/plugins/OStatus/lib/webfinger.php b/plugins/OStatus/lib/webfinger.php deleted file mode 100644 index 4b777c9a0..000000000 --- a/plugins/OStatus/lib/webfinger.php +++ /dev/null @@ -1,164 +0,0 @@ -<?php -/** - * StatusNet - the distributed open-source microblogging tool - * Copyright (C) 2010, StatusNet, Inc. - * - * A sample module to show best practices for StatusNet plugins - * - * PHP version 5 - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU Affero General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Affero General Public License for more details. - * - * You should have received a copy of the GNU Affero General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - * - * @package StatusNet - * @author James Walker <james@status.net> - * @copyright 2010 StatusNet, Inc. - * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0 - * @link http://status.net/ - */ - -define('WEBFINGER_SERVICE_REL_VALUE', 'lrdd'); - -/** - * Implement the webfinger protocol. - */ - -class Webfinger -{ - const PROFILEPAGE = 'http://webfinger.net/rel/profile-page'; - const UPDATESFROM = 'http://schemas.google.com/g/2010#updates-from'; - const HCARD = 'http://microformats.org/profile/hcard'; - - /** - * Perform a webfinger lookup given an account. - */ - - public function lookup($id) - { - $id = $this->normalize($id); - list($name, $domain) = explode('@', $id); - - $links = $this->getServiceLinks($domain); - if (!$links) { - return false; - } - - $services = array(); - foreach ($links as $link) { - if ($link['template']) { - return $this->getServiceDescription($link['template'], $id); - } - if ($link['href']) { - return $this->getServiceDescription($link['href'], $id); - } - } - } - - /** - * Normalize an account ID - */ - function normalize($id) - { - if (substr($id, 0, 7) == 'acct://') { - return substr($id, 7); - } else if (substr($id, 0, 5) == 'acct:') { - return substr($id, 5); - } - - return $id; - } - - function getServiceLinks($domain) - { - $url = 'http://'. $domain .'/.well-known/host-meta'; - - $content = $this->fetchURL($url); - - if (empty($content)) { - common_log(LOG_DEBUG, 'Error fetching host-meta'); - return false; - } - - $result = XRD::parse($content); - - // Ensure that the host == domain (spec may include signing later) - if ($result->host != $domain) { - return false; - } - - $links = array(); - foreach ($result->links as $link) { - if ($link['rel'] == WEBFINGER_SERVICE_REL_VALUE) { - $links[] = $link; - } - - } - return $links; - } - - function getServiceDescription($template, $id) - { - $url = $this->applyTemplate($template, 'acct:' . $id); - - $content = $this->fetchURL($url); - - if (!$content) { - return false; - } - - return XRD::parse($content); - } - - function fetchURL($url) - { - try { - $c = Cache::instance(); - $content = $c->get('webfinger:url:'.$url); - if ($content !== false) { - return $content; - } - $client = new HTTPClient(); - $response = $client->get($url); - } catch (HTTP_Request2_Exception $e) { - return false; - } - - if ($response->getStatus() != 200) { - return false; - } - - $body = $response->getBody(); - - $c->set('webfinger:url:'.$url, $body); - - return $body; - } - - function applyTemplate($template, $id) - { - $template = str_replace('{uri}', urlencode($id), $template); - - return $template; - } - - function getHostMeta($domain, $template) { - $xrd = new XRD(); - $xrd->host = $domain; - $xrd->links[] = array('rel' => 'lrdd', - 'template' => $template, - 'title' => array('Resource Descriptor')); - - return $xrd->toXML(); - } -} - |