gnu-social/plugins/WebFinger/actions/webfinger.php

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<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, 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/>.
*/
if (!defined('GNUSOCIAL')) { exit(1); }
/**
* @package WebFingerPlugin
* @author James Walker <james@status.net>
* @author Mikael Nordfeldth <mmn@hethane.se>
*/
class WebfingerAction extends XrdAction
{
protected $resource = null; // string with the resource URI
protected $target = null; // object of the WebFingerResource class
protected function prepare(array $args=array())
{
parent::prepare($args);
// throws exception if resource is empty
$this->resource = Discovery::normalize($this->trimmed('resource'));
try {
if (Event::handle('StartGetWebFingerResource', array($this->resource, &$this->target, $this->args))) {
Event::handle('EndGetWebFingerResource', array($this->resource, &$this->target, $this->args));
}
} catch (NoSuchUserException $e) {
throw new ServerException($e->getMessage(), 404);
}
if (!$this->target instanceof WebFingerResource) {
// TRANS: Error message when an object URI which we cannot find was requested
throw new ServerException(_m('Resource not found in local database.'), 404);
}
return true;
}
protected function setXRD()
{
$this->xrd->subject = $this->resource;
foreach ($this->target->getAliases() as $alias) {
if ($alias != $this->xrd->subject && !in_array($alias, $this->xrd->aliases)) {
$this->xrd->aliases[] = $alias;
}
}
$this->target->updateXRD($this->xrd);
}
}