bludit/bl-plugins/robots/plugin.php

71 lines
1.4 KiB
PHP

<?php
class pluginRobots extends Plugin {
public function init()
{
$this->dbFields = array(
'robotstxt'=>'User-agent: *'.PHP_EOL.'Allow: /'
);
}
public function form()
{
$html = '<div class="alert alert-primary" role="alert">';
$html .= $this->description();
$html .= '</div>';
$html .= '<div>';
$html .= '<label>'.DOMAIN.'/robots.txt</label>';
$html .= '<textarea name="robotstxt" id="jsrobotstxt">'.$this->getValue('robotstxt').'</textarea>';
$html .= '</div>';
return $html;
}
public function siteHead()
{
global $WHERE_AM_I;
$html = PHP_EOL.'<!-- Robots plugin -->'.PHP_EOL;
if ($WHERE_AM_I=='page') {
global $page;
$robots = array();
if ($page->noindex()) {
$robots['noindex'] = 'noindex';
}
if ($page->nofollow()) {
$robots['nofollow'] = 'nofollow';
}
if ($page->noarchive()) {
$robots['noarchive'] = 'noarchive';
}
if (!empty($robots)) {
$robots = implode(',', $robots);
$html .= '<meta name="robots" content="'.$robots.'">'.PHP_EOL;
}
}
return $html;
}
public function beforeAll()
{
$webhook = 'robots.txt';
if ($this->webhook($webhook)) {
header('Content-type: text/plain');
// Include link to sitemap in robots.txt if the plugin is enabled
if (pluginActivated('pluginSitemap')) {
echo 'Sitemap: '.DOMAIN_BASE.'sitemap.xml';
}
echo $this->getValue('robotstxt');
exit(0);
}
}
}