gnu-social/plugins/Sitemap/actions/sitemap.php

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<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social 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.
//
// GNU social 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 GNU social. If not, see <http://www.gnu.org/licenses/>.
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/**
* Superclass for sitemap-generating actions
*
* @category Sitemap
* @package GNUsocial
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* @author Evan Prodromou <evan@status.net>
* @copyright 2010 StatusNet, Inc.
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
defined('GNUSOCIAL') || die();
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/**
* superclass for sitemap actions
*
* @category Sitemap
* @package GNUsocial
* @author Evan Prodromou <evan@status.net>
* @license https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
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*/
class SitemapAction extends Action
{
/**
* handle the action
*
* @param array $args unused.
*
* @return void
*/
public function handle()
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{
parent::handle();
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header('Content-Type: text/xml; charset=UTF-8');
$this->startXML();
$this->elementStart('urlset', array('xmlns' => 'http://www.sitemaps.org/schemas/sitemap/0.9'));
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while (!is_null($next = $this->nextUrl())) {
$this->showUrl(...$next);
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}
$this->elementEnd('urlset');
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$this->endXML();
}
public function lastModified()
{
$y = $this->trimmed('year');
$m = $this->trimmed('month');
$d = $this->trimmed('day');
$y += 0;
$m += 0;
$d += 0;
$begdate = strtotime("$y-$m-$d 00:00:00");
$enddate = $begdate + (24 * 60 * 60);
if ($enddate < time()) {
return $enddate;
} else {
return null;
}
}
public function showUrl(
$url,
$lastMod = null,
$changeFreq = null,
$priority = null
) {
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$this->elementStart('url');
$this->element('loc', null, $url);
if (!is_null($lastMod)) {
$this->element('lastmod', null, $lastMod);
}
if (!is_null($changeFreq)) {
$this->element('changefreq', null, $changeFreq);
}
if (!is_null($priority)) {
$this->element('priority', null, $priority);
}
$this->elementEnd('url');
}
public function nextUrl()
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{
return null;
}
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public function isReadOnly()
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{
return true;
}
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}