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<?php
function robotstxt_help($path, $arg) {
switch ($path) {
case 'admin/help#robotstxt':
return '<p>' . t('In a multisite environment, there is no mechanism for having a separate robots.txt file for each site. This module addresses that need by letting you administer the robots.txt file from the settings interface.') . '</p>';
case 'admin/config/search/robotstxt':
if (file_exists(DRUPAL_ROOT . '/robots.txt')) {
drupal_set_message(t('One or more problems have been detected with the RobotsTxt configuration. Check the <a href="@status">status report</a> for more information.', array(
'@status' => url('admin/reports/status'),
)), 'warning');
}
return t('See <a href="http://www.robotstxt.org/">http://www.robotstxt.org/</a> for more information concerning how to write your <a href="@robotstxt">robots.txt</a> file.', array(
'@robotstxt' => base_path() . 'robots.txt',
));
}
}
function robotstxt_permission() {
return array(
'administer robots.txt' => array(
'title' => t('Administer robots.txt'),
'description' => t('Perform maintenance tasks for robots.txt.'),
),
);
}
function robotstxt_menu() {
$items['robots.txt'] = array(
'page callback' => 'robotstxt_robots',
'access callback' => TRUE,
'type' => MENU_CALLBACK,
);
$items['admin/config/search/robotstxt'] = array(
'title' => 'RobotsTxt',
'description' => 'Manage your robots.txt file.',
'page callback' => 'drupal_get_form',
'page arguments' => array(
'robotstxt_admin_settings',
),
'access arguments' => array(
'administer robots.txt',
),
'file' => 'robotstxt.admin.inc',
);
return $items;
}
function robotstxt_robots() {
$content = array();
$content[] = variable_get('robotstxt', '');
if ($additions = module_invoke_all('robotstxt')) {
$content = array_merge($content, $additions);
}
$content = array_map('trim', $content);
$content = array_filter($content);
drupal_add_http_header('Content-type', 'text/plain');
echo implode("\n", $content);
drupal_page_footer();
exit;
}