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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2010, StatusNet, Inc.
*
* robots.txt generator
*
* PHP version 5
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*
* 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('STATUSNET')) {
exit(1);
}
/**
* Prints out a static robots.txt
*
* @category Action
* @package StatusNet
* @author Evan Prodromou <evan@status.net>
* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
* @link http://status.net/
*/
class RobotstxtAction extends Action
{
/**
* Handles requests
*
* Since this is a relatively static document, we
* don't do a prepare()
*
* @param array $args GET, POST, and URL params; unused.
*
* @return void
*/
function handle($args)
{
if (Event::handle('StartRobotsTxt', array($this))) {
header('Content-Type: text/plain');
print "User-Agent: *\n";
if (common_config('site', 'private')) {
print "Disallow: /\n";
} else {
$disallow = common_config('robotstxt', 'disallow');
foreach ($disallow as $dir) {
print "Disallow: /$dir/\n";
}
$crawldelay = common_config('robotstxt', 'crawldelay');
if (!empty($crawldelay)) {
print "Crawl-delay: " . $crawldelay . "\n";
}
}
Event::handle('EndRobotsTxt', array($this));
}
}
/**
* Return true; this page doesn't touch the DB.
*
* @param array $args other arguments
*
* @return boolean is read only action?
*/
function isReadOnly($args)
{
return true;
}
}
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