friendica/src/Module/Feed.php

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<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
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*
* @license GNU AGPL version 3 or any later version
*
* 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 <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\DI;
use Friendica\Protocol\Feed as ProtocolFeed;
/**
* Provides public Atom feeds
*
* Currently supported:
* - /feed/[nickname]/ => posts
* - /feed/[nickname]/posts => posts
* - /feed/[nickname]/comments => comments
* - /feed/[nickname]/replies => comments
* - /feed/[nickname]/activity => activity
*
* The nocache GET parameter is provided mainly for debug purposes, requires auth
*
* @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class Feed extends BaseModule
{
protected function content(array $request = []): string
{
$a = DI::app();
$last_update = $_GET['last_update'] ?? '';
$nocache = !empty($_GET['nocache']) && local_user();
$type = null;
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// @TODO: Replace with parameter from router
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if (DI::args()->getArgc() > 2) {
$type = DI::args()->getArgv()[2];
}
switch ($type) {
case 'posts':
case 'comments':
case 'activity':
// Correct type names, no change needed
break;
case 'replies':
$type = 'comments';
break;
default:
$type = 'posts';
}
header("Content-type: application/atom+xml; charset=utf-8");
echo ProtocolFeed::atom($this->parameters['nickname'], $last_update, 10, $type, $nocache, true);
exit();
}
}