<?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'); echo $this->getValue('robotstxt'); exit(0); } } }