gnu-social/components/FreeNetwork/Controller/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/>.
*/
namespace Component\FreeNetwork\Controller;
use App\Core\Event;
use function App\Core\I18n\_m;
use App\Util\Exception\ClientException;
use App\Util\Exception\NoSuchActorException;
use Component\FreeNetwork\Util\Discovery;
use Component\FreeNetwork\Util\WebfingerResource;
use Component\FreeNetwork\Util\XrdController;
use Symfony\Component\HttpFoundation\Request;
/**
* @package WebFingerPlugin
*
* @author James Walker <james@status.net>
* @author Mikael Nordfeldth <mmn@hethane.se>
* @author Diogo Peralta Cordeiro
*/
class Webfinger extends XrdController
{
protected $resource; // string with the resource URI
protected $target; // object of the WebFingerResource class
public function handle(Request $request): array
{
// throws exception if resource is empty
$this->resource = Discovery::normalize($this->string('resource'));
try {
if (Event::handle('StartGetWebFingerResource', [$this->resource, &$this->target, $this->params()])) {
Event::handle('EndGetWebFingerResource', [$this->resource, &$this->target, $this->params()]);
}
} catch (NoSuchActorException $e) {
throw new ClientException($e->getMessage(), 404);
}
if (!$this->target instanceof WebfingerResource) {
// TRANS: Error message when an object URI which we cannot find was requested
throw new ClientException(_m('Resource not found in local database.'), 404);
}
return parent::handle($request);
}
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);
}
}