gnu-social/plugins/WebFinger/WebFingerPlugin.php

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<?php
/*
* GNU Social - a federating social network
* Copyright (C) 2013, Free Software Foundation, Inc.
*
* 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/>.
*/
/**
* Implements WebFinger for GNU Social, as well as support for the
* '.well-known/host-meta' resource.
*
* Depends on: LRDD plugin
*
* @package GNUSocial
* @author Mikael Nordfeldth <mmn@hethane.se>
*/
if (!defined('GNUSOCIAL')) { exit(1); }
class WebFingerPlugin extends Plugin
{
public function onRouterInitialized($m)
{
$m->connect('.well-known/host-meta', array('action' => 'hostmeta'));
$m->connect('.well-known/host-meta.:format',
array('action' => 'hostmeta',
'format' => '(xml|json)'));
// the resource GET parameter can be anywhere, so don't mention it here
$m->connect('.well-known/webfinger', array('action' => 'webfinger'));
$m->connect('.well-known/webfinger.:format',
array('action' => 'webfinger',
'format' => '(xml|json)'));
$m->connect('main/ownerxrd', array('action' => 'ownerxrd'));
return true;
}
public function onLoginAction($action, &$login)
{
switch ($action) {
case 'hostmeta':
case 'webfinger':
$login = true;
return false;
}
return true;
}
public function onStartHostMetaLinks(array &$links)
{
foreach (Discovery::supportedMimeTypes() as $type) {
$links[] = new XML_XRD_Element_Link(Discovery::LRDD_REL,
common_local_url('webfinger') . '?resource={uri}',
$type,
true); // isTemplate
}
}
/**
* Add a link header for LRDD Discovery
*/
public function onStartShowHTML($action)
{
if ($action instanceof ShowstreamAction) {
$acct = 'acct:'. $action->profile->nickname .'@'. common_config('site', 'server');
$url = common_local_url('webfinger') . '?resource='.$acct;
foreach (array(Discovery::JRD_MIMETYPE, Discovery::XRD_MIMETYPE) as $type) {
header('Link: <'.$url.'>; rel="'. Discovery::LRDD_REL.'"; type="'.$type.'"');
}
}
}
public function onPluginVersion(&$versions)
{
$versions[] = array('name' => 'WebFinger',
'version' => STATUSNET_VERSION,
'author' => 'Mikael Nordfeldth',
'homepage' => 'http://www.gnu.org/software/social/',
// TRANS: Plugin description.
'rawdescription' => _m('Adds WebFinger lookup to GNU Social'));
return true;
}
}