summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--plugins/OStatus/lib/webfinger.php164
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();
- }
-}
-