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<?php
namespace dokuwiki\Action;
use dokuwiki\Action\Exception\FatalException;
use dokuwiki\Sitemap\Mapper;
use dokuwiki\Utf8\PhpString;
/**
* Class Sitemap
*
* Generate an XML sitemap for search engines. Do not confuse with Index
*
* @package dokuwiki\Action
*/
class Sitemap extends AbstractAction {
/** @inheritdoc */
public function minimumPermission() {
return AUTH_NONE;
}
/**
* Handle sitemap delivery
*
* @author Michael Hamann <michael@content-space.de>
* @throws FatalException
* @inheritdoc
*/
public function preProcess() {
global $conf;
if($conf['sitemap'] < 1 || !is_numeric($conf['sitemap'])) {
throw new FatalException('Sitemap generation is disabled', 404);
}
$sitemap = Mapper::getFilePath();
if(Mapper::sitemapIsCompressed()) {
$mime = 'application/x-gzip';
} else {
$mime = 'application/xml; charset=utf-8';
}
// Check if sitemap file exists, otherwise create it
if(!is_readable($sitemap)) {
Mapper::generate();
}
if(is_readable($sitemap)) {
// Send headers
header('Content-Type: ' . $mime);
header('Content-Disposition: attachment; filename=' . PhpString::basename($sitemap));
http_conditionalRequest(filemtime($sitemap));
// Send file
//use x-sendfile header to pass the delivery to compatible webservers
http_sendfile($sitemap);
readfile($sitemap);
exit;
}
throw new FatalException('Could not read the sitemap file - bad permissions?');
}
}
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